magick-image.c revision 968a8399249ef3c2137475062a7551ff5907ce33
1/* 2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3% % 4% % 5% % 6% M M AAA GGGG IIIII CCCC K K % 7% MM MM A A G I C K K % 8% M M M AAAAA G GGG I C KKK % 9% M M A A G G I C K K % 10% M M A A GGGG IIIII CCCC K K % 11% % 12% IIIII M M AAA GGGG EEEEE % 13% I MM MM A A G E % 14% I M M M AAAAA G GG EEE % 15% I M M A A G G E % 16% IIIII M M A A GGGG EEEEE % 17% % 18% % 19% MagickWand Image Methods % 20% % 21% Software Design % 22% Cristy % 23% August 2003 % 24% % 25% % 26% Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 27% dedicated to making software imaging solutions freely available. % 28% % 29% You may not use this file except in compliance with the License. You may % 30% obtain a copy of the License at % 31% % 32% http://www.imagemagick.org/script/license.php % 33% % 34% Unless required by applicable law or agreed to in writing, software % 35% distributed under the License is distributed on an "AS IS" BASIS, % 36% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 37% See the License for the specific language governing permissions and % 38% limitations under the License. % 39% % 40%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 41% 42% 43% 44*/ 45 46/* 47 Include declarations. 48*/ 49#include "MagickWand/studio.h" 50#include "MagickWand/MagickWand.h" 51#include "MagickWand/magick-wand-private.h" 52#include "MagickWand/wand.h" 53#include "MagickWand/pixel-wand-private.h" 54#include "MagickCore/image-private.h" 55 56/* 57 Define declarations. 58*/ 59#define MagickWandId "MagickWand" 60 61/* 62%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63% % 64% % 65% % 66+ C l o n e M a g i c k W a n d F r o m I m a g e s % 67% % 68% % 69% % 70%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 71% 72% CloneMagickWandFromImages() clones the magick wand and inserts a new image 73% list. 74% 75% The format of the CloneMagickWandFromImages method is: 76% 77% MagickWand *CloneMagickWandFromImages(const MagickWand *wand, 78% Image *images) 79% 80% A description of each parameter follows: 81% 82% o wand: the magick wand. 83% 84% o images: replace the image list with these image(s). 85% 86*/ 87static MagickWand *CloneMagickWandFromImages(const MagickWand *wand, 88 Image *images) 89{ 90 MagickWand 91 *clone_wand; 92 93 assert(wand != (MagickWand *) NULL); 94 assert(wand->signature == MagickWandSignature); 95 if (wand->debug != MagickFalse) 96 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 97 clone_wand=(MagickWand *) AcquireMagickMemory(sizeof(*clone_wand)); 98 if (clone_wand == (MagickWand *) NULL) 99 ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", 100 images->filename); 101 (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand)); 102 clone_wand->id=AcquireWandId(); 103 (void) FormatLocaleString(clone_wand->name,MagickPathExtent,"%s-%.20g", 104 MagickWandId,(double) clone_wand->id); 105 clone_wand->exception=AcquireExceptionInfo(); 106 InheritException(clone_wand->exception,wand->exception); 107 clone_wand->image_info=CloneImageInfo(wand->image_info); 108 clone_wand->images=images; 109 clone_wand->debug=IsEventLogging(); 110 clone_wand->signature=MagickWandSignature; 111 if (clone_wand->debug != MagickFalse) 112 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name); 113 return(clone_wand); 114} 115 116/* 117%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 118% % 119% % 120% % 121% G e t I m a g e F r o m M a g i c k W a n d % 122% % 123% % 124% % 125%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126% 127% GetImageFromMagickWand() returns the current image from the magick wand. 128% 129% The format of the GetImageFromMagickWand method is: 130% 131% Image *GetImageFromMagickWand(const MagickWand *wand) 132% 133% A description of each parameter follows: 134% 135% o wand: the magick wand. 136% 137*/ 138WandExport Image *GetImageFromMagickWand(const MagickWand *wand) 139{ 140 assert(wand != (MagickWand *) NULL); 141 assert(wand->signature == MagickWandSignature); 142 if (wand->debug != MagickFalse) 143 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 144 if (wand->images == (Image *) NULL) 145 { 146 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 147 "ContainsNoImages","`%s'",wand->name); 148 return((Image *) NULL); 149 } 150 return(wand->images); 151} 152 153/* 154%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 155% % 156% % 157% % 158% M a g i c k A d a p t i v e S h a r p e n I m a g e % 159% % 160% % 161% % 162%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 163% 164% MagickAdaptiveBlurImage() adaptively blurs the image by blurring 165% less intensely near image edges and more intensely far from edges. We 166% blur the image with a Gaussian operator of the given radius and standard 167% deviation (sigma). For reasonable results, radius should be larger than 168% sigma. Use a radius of 0 and MagickAdaptiveBlurImage() selects a 169% suitable radius for you. 170% 171% The format of the MagickAdaptiveBlurImage method is: 172% 173% MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, 174% const double radius,const double sigma) 175% 176% A description of each parameter follows: 177% 178% o wand: the magick wand. 179% 180% o radius: the radius of the Gaussian, in pixels, not counting the center 181% pixel. 182% 183% o sigma: the standard deviation of the Gaussian, in pixels. 184% 185*/ 186WandExport MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, 187 const double radius,const double sigma) 188{ 189 Image 190 *sharp_image; 191 192 assert(wand != (MagickWand *) NULL); 193 assert(wand->signature == MagickWandSignature); 194 if (wand->debug != MagickFalse) 195 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 196 if (wand->images == (Image *) NULL) 197 ThrowWandException(WandError,"ContainsNoImages",wand->name); 198 sharp_image=AdaptiveBlurImage(wand->images,radius,sigma,wand->exception); 199 if (sharp_image == (Image *) NULL) 200 return(MagickFalse); 201 ReplaceImageInList(&wand->images,sharp_image); 202 return(MagickTrue); 203} 204 205/* 206%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 207% % 208% % 209% % 210% M a g i c k A d a p t i v e R e s i z e I m a g e % 211% % 212% % 213% % 214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 215% 216% MagickAdaptiveResizeImage() adaptively resize image with data dependent 217% triangulation. 218% 219% MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, 220% const size_t columns,const size_t rows) 221% 222% A description of each parameter follows: 223% 224% o wand: the magick wand. 225% 226% o columns: the number of columns in the scaled image. 227% 228% o rows: the number of rows in the scaled image. 229% 230*/ 231WandExport MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, 232 const size_t columns,const size_t rows) 233{ 234 Image 235 *resize_image; 236 237 assert(wand != (MagickWand *) NULL); 238 assert(wand->signature == MagickWandSignature); 239 if (wand->debug != MagickFalse) 240 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 241 if (wand->images == (Image *) NULL) 242 ThrowWandException(WandError,"ContainsNoImages",wand->name); 243 resize_image=AdaptiveResizeImage(wand->images,columns,rows,wand->exception); 244 if (resize_image == (Image *) NULL) 245 return(MagickFalse); 246 ReplaceImageInList(&wand->images,resize_image); 247 return(MagickTrue); 248} 249 250/* 251%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 252% % 253% % 254% % 255% M a g i c k A d a p t i v e S h a r p e n I m a g e % 256% % 257% % 258% % 259%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 260% 261% MagickAdaptiveSharpenImage() adaptively sharpens the image by sharpening 262% more intensely near image edges and less intensely far from edges. We 263% sharpen the image with a Gaussian operator of the given radius and standard 264% deviation (sigma). For reasonable results, radius should be larger than 265% sigma. Use a radius of 0 and MagickAdaptiveSharpenImage() selects a 266% suitable radius for you. 267% 268% The format of the MagickAdaptiveSharpenImage method is: 269% 270% MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 271% const double radius,const double sigma) 272% 273% A description of each parameter follows: 274% 275% o wand: the magick wand. 276% 277% o radius: the radius of the Gaussian, in pixels, not counting the center 278% pixel. 279% 280% o sigma: the standard deviation of the Gaussian, in pixels. 281% 282*/ 283WandExport MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 284 const double radius,const double sigma) 285{ 286 Image 287 *sharp_image; 288 289 assert(wand != (MagickWand *) NULL); 290 assert(wand->signature == MagickWandSignature); 291 if (wand->debug != MagickFalse) 292 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 293 if (wand->images == (Image *) NULL) 294 ThrowWandException(WandError,"ContainsNoImages",wand->name); 295 sharp_image=AdaptiveSharpenImage(wand->images,radius,sigma,wand->exception); 296 if (sharp_image == (Image *) NULL) 297 return(MagickFalse); 298 ReplaceImageInList(&wand->images,sharp_image); 299 return(MagickTrue); 300} 301 302/* 303%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 304% % 305% % 306% % 307% M a g i c k A d a p t i v e T h r e s h o l d I m a g e % 308% % 309% % 310% % 311%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 312% 313% MagickAdaptiveThresholdImage() selects an individual threshold for each pixel 314% based on the range of intensity values in its local neighborhood. This 315% allows for thresholding of an image whose global intensity histogram 316% doesn't contain distinctive peaks. 317% 318% The format of the AdaptiveThresholdImage method is: 319% 320% MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 321% const size_t width,const size_t height,const double bias) 322% 323% A description of each parameter follows: 324% 325% o wand: the magick wand. 326% 327% o width: the width of the local neighborhood. 328% 329% o height: the height of the local neighborhood. 330% 331% o offset: the mean bias. 332% 333*/ 334WandExport MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 335 const size_t width,const size_t height,const double bias) 336{ 337 Image 338 *threshold_image; 339 340 assert(wand != (MagickWand *) NULL); 341 assert(wand->signature == MagickWandSignature); 342 if (wand->debug != MagickFalse) 343 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 344 if (wand->images == (Image *) NULL) 345 ThrowWandException(WandError,"ContainsNoImages",wand->name); 346 threshold_image=AdaptiveThresholdImage(wand->images,width,height,bias, 347 wand->exception); 348 if (threshold_image == (Image *) NULL) 349 return(MagickFalse); 350 ReplaceImageInList(&wand->images,threshold_image); 351 return(MagickTrue); 352} 353 354/* 355%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 356% % 357% % 358% % 359% M a g i c k A d d I m a g e % 360% % 361% % 362% % 363%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 364% 365% MagickAddImage() adds a clone of the images from the second wand and 366% inserts them into the first wand. 367% 368% Use MagickSetLastIterator(), to append new images into an existing wand, 369% current image will be set to last image so later adds with also be 370% appened to end of wand. 371% 372% Use MagickSetFirstIterator() to prepend new images into wand, any more 373% images added will also be prepended before other images in the wand. 374% However the order of a list of new images will not change. 375% 376% Otherwise the new images will be inserted just after the current image, 377% and any later image will also be added after this current image but 378% before the previously added images. Caution is advised when multiple 379% image adds are inserted into the middle of the wand image list. 380% 381% The format of the MagickAddImage method is: 382% 383% MagickBooleanType MagickAddImage(MagickWand *wand, 384% const MagickWand *add_wand) 385% 386% A description of each parameter follows: 387% 388% o wand: the magick wand. 389% 390% o add_wand: A wand that contains the image list to be added 391% 392*/ 393static inline MagickBooleanType InsertImageInWand(MagickWand *wand, 394 Image *images) 395{ 396 if (wand->images == (Image *) NULL) 397 { 398 /* 399 No images in wand, just add them, set current as appropriate. 400 */ 401 if (wand->insert_before != MagickFalse) 402 wand->images=GetFirstImageInList(images); 403 else 404 wand->images=GetLastImageInList(images); 405 return(MagickTrue); 406 } 407 /* user jumped to first image, so prepend new images - remain active */ 408 if ((wand->insert_before != MagickFalse) && 409 (wand->images->previous == (Image *) NULL)) 410 { 411 PrependImageToList(&wand->images,images); 412 wand->images=GetFirstImageInList(images); 413 return(MagickTrue); 414 } 415 /* 416 Note you should never have 'insert_before' true when current image is not 417 the first image in the wand! That is no insert before current image, only 418 after current image 419 */ 420 if (wand->images->next == (Image *) NULL) 421 { 422 /* 423 At last image, append new images. 424 */ 425 InsertImageInList(&wand->images,images); 426 wand->images=GetLastImageInList(images); 427 return(MagickTrue); 428 } 429 /* 430 Insert new images, just after the current image. 431 */ 432 InsertImageInList(&wand->images,images); 433 return(MagickTrue); 434} 435 436WandExport MagickBooleanType MagickAddImage(MagickWand *wand, 437 const MagickWand *add_wand) 438{ 439 Image 440 *images; 441 442 assert(wand != (MagickWand *) NULL); 443 assert(wand->signature == MagickWandSignature); 444 if (wand->debug != MagickFalse) 445 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 446 assert(add_wand != (MagickWand *) NULL); 447 assert(add_wand->signature == MagickWandSignature); 448 if (add_wand->images == (Image *) NULL) 449 ThrowWandException(WandError,"ContainsNoImages",add_wand->name); 450 /* 451 Clone images in second wand, and insert into first. 452 */ 453 images=CloneImageList(add_wand->images,wand->exception); 454 if (images == (Image *) NULL) 455 return(MagickFalse); 456 return(InsertImageInWand(wand,images)); 457} 458 459/* 460%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 461% % 462% % 463% % 464% M a g i c k A d d N o i s e I m a g e % 465% % 466% % 467% % 468%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 469% 470% MagickAddNoiseImage() adds random noise to the image. 471% 472% The format of the MagickAddNoiseImage method is: 473% 474% MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 475% const NoiseType noise_type,const double attenuate) 476% 477% A description of each parameter follows: 478% 479% o wand: the magick wand. 480% 481% o noise_type: The type of noise: Uniform, Gaussian, Multiplicative, 482% Impulse, Laplacian, or Poisson. 483% 484% o attenuate: attenuate the random distribution. 485% 486*/ 487WandExport MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 488 const NoiseType noise_type,const double attenuate) 489{ 490 Image 491 *noise_image; 492 493 assert(wand != (MagickWand *) NULL); 494 assert(wand->signature == MagickWandSignature); 495 if (wand->debug != MagickFalse) 496 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 497 if (wand->images == (Image *) NULL) 498 ThrowWandException(WandError,"ContainsNoImages",wand->name); 499 noise_image=AddNoiseImage(wand->images,noise_type,attenuate,wand->exception); 500 if (noise_image == (Image *) NULL) 501 return(MagickFalse); 502 ReplaceImageInList(&wand->images,noise_image); 503 return(MagickTrue); 504} 505 506/* 507%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 508% % 509% % 510% % 511% M a g i c k A f f i n e T r a n s f o r m I m a g e % 512% % 513% % 514% % 515%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 516% 517% MagickAffineTransformImage() transforms an image as dictated by the affine 518% matrix of the drawing wand. 519% 520% The format of the MagickAffineTransformImage method is: 521% 522% MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 523% const DrawingWand *drawing_wand) 524% 525% A description of each parameter follows: 526% 527% o wand: the magick wand. 528% 529% o drawing_wand: the draw wand. 530% 531*/ 532WandExport MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 533 const DrawingWand *drawing_wand) 534{ 535 DrawInfo 536 *draw_info; 537 538 Image 539 *affine_image; 540 541 assert(wand != (MagickWand *) NULL); 542 assert(wand->signature == MagickWandSignature); 543 if (wand->debug != MagickFalse) 544 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 545 if (wand->images == (Image *) NULL) 546 ThrowWandException(WandError,"ContainsNoImages",wand->name); 547 draw_info=PeekDrawingWand(drawing_wand); 548 if (draw_info == (DrawInfo *) NULL) 549 return(MagickFalse); 550 affine_image=AffineTransformImage(wand->images,&draw_info->affine, 551 wand->exception); 552 draw_info=DestroyDrawInfo(draw_info); 553 if (affine_image == (Image *) NULL) 554 return(MagickFalse); 555 ReplaceImageInList(&wand->images,affine_image); 556 return(MagickTrue); 557} 558 559/* 560%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 561% % 562% % 563% % 564% M a g i c k A n n o t a t e I m a g e % 565% % 566% % 567% % 568%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 569% 570% MagickAnnotateImage() annotates an image with text. 571% 572% The format of the MagickAnnotateImage method is: 573% 574% MagickBooleanType MagickAnnotateImage(MagickWand *wand, 575% const DrawingWand *drawing_wand,const double x,const double y, 576% const double angle,const char *text) 577% 578% A description of each parameter follows: 579% 580% o wand: the magick wand. 581% 582% o drawing_wand: the draw wand. 583% 584% o x: x ordinate to left of text 585% 586% o y: y ordinate to text baseline 587% 588% o angle: rotate text relative to this angle. 589% 590% o text: text to draw 591% 592*/ 593WandExport MagickBooleanType MagickAnnotateImage(MagickWand *wand, 594 const DrawingWand *drawing_wand,const double x,const double y, 595 const double angle,const char *text) 596{ 597 char 598 geometry[MagickPathExtent]; 599 600 DrawInfo 601 *draw_info; 602 603 MagickBooleanType 604 status; 605 606 assert(wand != (MagickWand *) NULL); 607 assert(wand->signature == MagickWandSignature); 608 if (wand->debug != MagickFalse) 609 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 610 if (wand->images == (Image *) NULL) 611 ThrowWandException(WandError,"ContainsNoImages",wand->name); 612 draw_info=PeekDrawingWand(drawing_wand); 613 if (draw_info == (DrawInfo *) NULL) 614 return(MagickFalse); 615 (void) CloneString(&draw_info->text,text); 616 (void) FormatLocaleString(geometry,MagickPathExtent,"%+g%+g",x,y); 617 draw_info->affine.sx=cos((double) DegreesToRadians(fmod(angle,360.0))); 618 draw_info->affine.rx=sin((double) DegreesToRadians(fmod(angle,360.0))); 619 draw_info->affine.ry=(-sin((double) DegreesToRadians(fmod(angle,360.0)))); 620 draw_info->affine.sy=cos((double) DegreesToRadians(fmod(angle,360.0))); 621 (void) CloneString(&draw_info->geometry,geometry); 622 status=AnnotateImage(wand->images,draw_info,wand->exception); 623 draw_info=DestroyDrawInfo(draw_info); 624 return(status); 625} 626 627/* 628%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 629% % 630% % 631% % 632% M a g i c k A n i m a t e I m a g e s % 633% % 634% % 635% % 636%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 637% 638% MagickAnimateImages() animates an image or image sequence. 639% 640% The format of the MagickAnimateImages method is: 641% 642% MagickBooleanType MagickAnimateImages(MagickWand *wand, 643% const char *server_name) 644% 645% A description of each parameter follows: 646% 647% o wand: the magick wand. 648% 649% o server_name: the X server name. 650% 651*/ 652WandExport MagickBooleanType MagickAnimateImages(MagickWand *wand, 653 const char *server_name) 654{ 655 MagickBooleanType 656 status; 657 658 assert(wand != (MagickWand *) NULL); 659 assert(wand->signature == MagickWandSignature); 660 if (wand->debug != MagickFalse) 661 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 662 (void) CloneString(&wand->image_info->server_name,server_name); 663 status=AnimateImages(wand->image_info,wand->images,wand->exception); 664 return(status); 665} 666 667/* 668%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 669% % 670% % 671% % 672% M a g i c k A p p e n d I m a g e s % 673% % 674% % 675% % 676%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 677% 678% MagickAppendImages() append the images in a wand from the current image 679% onwards, creating a new wand with the single image result. This is 680% affected by the gravity and background settings of the first image. 681% 682% Typically you would call either MagickResetIterator() or 683% MagickSetFirstImage() before calling this function to ensure that all 684% the images in the wand's image list will be appended together. 685% 686% The format of the MagickAppendImages method is: 687% 688% MagickWand *MagickAppendImages(MagickWand *wand, 689% const MagickBooleanType stack) 690% 691% A description of each parameter follows: 692% 693% o wand: the magick wand. 694% 695% o stack: By default, images are stacked left-to-right. Set stack to 696% MagickTrue to stack them top-to-bottom. 697% 698*/ 699WandExport MagickWand *MagickAppendImages(MagickWand *wand, 700 const MagickBooleanType stack) 701{ 702 Image 703 *append_image; 704 705 assert(wand != (MagickWand *) NULL); 706 assert(wand->signature == MagickWandSignature); 707 if (wand->debug != MagickFalse) 708 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 709 if (wand->images == (Image *) NULL) 710 return((MagickWand *) NULL); 711 append_image=AppendImages(wand->images,stack,wand->exception); 712 if (append_image == (Image *) NULL) 713 return((MagickWand *) NULL); 714 return(CloneMagickWandFromImages(wand,append_image)); 715} 716 717/* 718%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 719% % 720% % 721% % 722% M a g i c k A u t o G a m m a I m a g e % 723% % 724% % 725% % 726%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 727% 728% MagickAutoGammaImage() extracts the 'mean' from the image and adjust the 729% image to try make set its gamma appropriatally. 730% 731% The format of the MagickAutoGammaImage method is: 732% 733% MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 734% 735% A description of each parameter follows: 736% 737% o wand: the magick wand. 738% 739*/ 740WandExport MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 741{ 742 MagickBooleanType 743 status; 744 745 assert(wand != (MagickWand *) NULL); 746 assert(wand->signature == MagickWandSignature); 747 if (wand->debug != MagickFalse) 748 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 749 if (wand->images == (Image *) NULL) 750 ThrowWandException(WandError,"ContainsNoImages",wand->name); 751 status=AutoGammaImage(wand->images,wand->exception); 752 return(status); 753} 754 755/* 756%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 757% % 758% % 759% % 760% M a g i c k A u t o L e v e l I m a g e % 761% % 762% % 763% % 764%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 765% 766% MagickAutoLevelImage() adjusts the levels of a particular image channel by 767% scaling the minimum and maximum values to the full quantum range. 768% 769% The format of the MagickAutoLevelImage method is: 770% 771% MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 772% 773% A description of each parameter follows: 774% 775% o wand: the magick wand. 776% 777*/ 778WandExport MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 779{ 780 MagickBooleanType 781 status; 782 783 assert(wand != (MagickWand *) NULL); 784 assert(wand->signature == MagickWandSignature); 785 if (wand->debug != MagickFalse) 786 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 787 if (wand->images == (Image *) NULL) 788 ThrowWandException(WandError,"ContainsNoImages",wand->name); 789 status=AutoLevelImage(wand->images,wand->exception); 790 return(status); 791} 792 793/* 794%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 795% % 796% % 797% % 798% M a g i c k A u t o O r i e n t I m a g e % 799% % 800% % 801% % 802%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 803% 804% MagickAutoOrientImage() adjusts an image so that its orientation is suitable 805$ for viewing (i.e. top-left orientation). 806% 807% The format of the MagickAutoOrientImage method is: 808% 809% MagickBooleanType MagickAutoOrientImage(MagickWand *image) 810% 811% A description of each parameter follows: 812% 813% o wand: the magick wand. 814% 815*/ 816WandExport MagickBooleanType MagickAutoOrientImage(MagickWand *wand) 817{ 818 819 Image 820 *orient_image; 821 822 assert(wand != (MagickWand *) NULL); 823 assert(wand->signature == MagickWandSignature); 824 if (wand->debug != MagickFalse) 825 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 826 if (wand->images == (Image *) NULL) 827 ThrowWandException(WandError,"ContainsNoImages",wand->name); 828 orient_image=AutoOrientImage(wand->images,wand->images->orientation, 829 wand->exception); 830 if (orient_image == (Image *) NULL) 831 return(MagickFalse); 832 ReplaceImageInList(&wand->images,orient_image); 833 return(MagickTrue); 834} 835 836/* 837%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 838% % 839% % 840% % 841% M a g i c k B l a c k T h r e s h o l d I m a g e % 842% % 843% % 844% % 845%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 846% 847% MagickBlackThresholdImage() is like MagickThresholdImage() but forces all 848% pixels below the threshold into black while leaving all pixels above the 849% threshold unchanged. 850% 851% The format of the MagickBlackThresholdImage method is: 852% 853% MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 854% const PixelWand *threshold) 855% 856% A description of each parameter follows: 857% 858% o wand: the magick wand. 859% 860% o threshold: the pixel wand. 861% 862*/ 863WandExport MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 864 const PixelWand *threshold) 865{ 866 char 867 thresholds[MagickPathExtent]; 868 869 MagickBooleanType 870 status; 871 872 assert(wand != (MagickWand *) NULL); 873 assert(wand->signature == MagickWandSignature); 874 if (wand->debug != MagickFalse) 875 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 876 if (wand->images == (Image *) NULL) 877 ThrowWandException(WandError,"ContainsNoImages",wand->name); 878 (void) FormatLocaleString(thresholds,MagickPathExtent, 879 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 880 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 881 PixelGetBlueQuantum(threshold),PixelGetAlphaQuantum(threshold)); 882 status=BlackThresholdImage(wand->images,thresholds,wand->exception); 883 return(status); 884} 885 886/* 887%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 888% % 889% % 890% % 891% M a g i c k B l u e S h i f t I m a g e % 892% % 893% % 894% % 895%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 896% 897% MagickBlueShiftImage() mutes the colors of the image to simulate a scene at 898% nighttime in the moonlight. 899% 900% The format of the MagickBlueShiftImage method is: 901% 902% MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 903% const double factor) 904% 905% A description of each parameter follows: 906% 907% o wand: the magick wand. 908% 909% o factor: the blue shift factor (default 1.5) 910% 911*/ 912WandExport MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 913 const double factor) 914{ 915 Image 916 *shift_image; 917 918 assert(wand != (MagickWand *) NULL); 919 assert(wand->signature == MagickWandSignature); 920 if (wand->debug != MagickFalse) 921 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 922 if (wand->images == (Image *) NULL) 923 ThrowWandException(WandError,"ContainsNoImages",wand->name); 924 shift_image=BlueShiftImage(wand->images,factor,wand->exception); 925 if (shift_image == (Image *) NULL) 926 return(MagickFalse); 927 ReplaceImageInList(&wand->images,shift_image); 928 return(MagickTrue); 929} 930 931/* 932%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 933% % 934% % 935% % 936% M a g i c k B l u r I m a g e % 937% % 938% % 939% % 940%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 941% 942% MagickBlurImage() blurs an image. We convolve the image with a 943% gaussian operator of the given radius and standard deviation (sigma). 944% For reasonable results, the radius should be larger than sigma. Use a 945% radius of 0 and BlurImage() selects a suitable radius for you. 946% 947% The format of the MagickBlurImage method is: 948% 949% MagickBooleanType MagickBlurImage(MagickWand *wand,const double radius, 950% const double sigma) 951% 952% A description of each parameter follows: 953% 954% o wand: the magick wand. 955% 956% o radius: the radius of the , in pixels, not counting the center 957% pixel. 958% 959% o sigma: the standard deviation of the , in pixels. 960% 961*/ 962WandExport MagickBooleanType MagickBlurImage(MagickWand *wand, 963 const double radius,const double sigma) 964{ 965 Image 966 *blur_image; 967 968 assert(wand != (MagickWand *) NULL); 969 assert(wand->signature == MagickWandSignature); 970 if (wand->debug != MagickFalse) 971 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 972 if (wand->images == (Image *) NULL) 973 ThrowWandException(WandError,"ContainsNoImages",wand->name); 974 blur_image=BlurImage(wand->images,radius,sigma,wand->exception); 975 if (blur_image == (Image *) NULL) 976 return(MagickFalse); 977 ReplaceImageInList(&wand->images,blur_image); 978 return(MagickTrue); 979} 980 981/* 982%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 983% % 984% % 985% % 986% M a g i c k B o r d e r I m a g e % 987% % 988% % 989% % 990%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 991% 992% MagickBorderImage() surrounds the image with a border of the color defined 993% by the bordercolor pixel wand. 994% 995% The format of the MagickBorderImage method is: 996% 997% MagickBooleanType MagickBorderImage(MagickWand *wand, 998% const PixelWand *bordercolor,const size_t width, 999% const size_t height,const CompositeOperator compose) 1000% 1001% A description of each parameter follows: 1002% 1003% o wand: the magick wand. 1004% 1005% o bordercolor: the border color pixel wand. 1006% 1007% o width: the border width. 1008% 1009% o height: the border height. 1010% 1011% o compose: the composite operator. 1012% 1013*/ 1014WandExport MagickBooleanType MagickBorderImage(MagickWand *wand, 1015 const PixelWand *bordercolor,const size_t width,const size_t height, 1016 const CompositeOperator compose) 1017{ 1018 Image 1019 *border_image; 1020 1021 RectangleInfo 1022 border_info; 1023 1024 assert(wand != (MagickWand *) NULL); 1025 assert(wand->signature == MagickWandSignature); 1026 if (wand->debug != MagickFalse) 1027 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1028 if (wand->images == (Image *) NULL) 1029 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1030 border_info.width=width; 1031 border_info.height=height; 1032 border_info.x=0; 1033 border_info.y=0; 1034 PixelGetQuantumPacket(bordercolor,&wand->images->border_color); 1035 border_image=BorderImage(wand->images,&border_info,compose,wand->exception); 1036 if (border_image == (Image *) NULL) 1037 return(MagickFalse); 1038 ReplaceImageInList(&wand->images,border_image); 1039 return(MagickTrue); 1040} 1041 1042/* 1043%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1044% % 1045% % 1046% % 1047% M a g i c k B r i g h t n e s s C o n t r a s t S t r e t c h I m a g e % 1048% % 1049% % 1050% % 1051%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1052% 1053% Use MagickBrightnessContrastImage() to change the brightness and/or contrast 1054% of an image. It converts the brightness and contrast parameters into slope 1055% and intercept and calls a polynomical function to apply to the image. 1056 1057% 1058% The format of the MagickBrightnessContrastImage method is: 1059% 1060% MagickBooleanType MagickBrightnessContrastImage(MagickWand *wand, 1061% const double brightness,const double contrast) 1062% 1063% A description of each parameter follows: 1064% 1065% o wand: the magick wand. 1066% 1067% o brightness: the brightness percent (-100 .. 100). 1068% 1069% o contrast: the contrast percent (-100 .. 100). 1070% 1071*/ 1072WandExport MagickBooleanType MagickBrightnessContrastImage( 1073 MagickWand *wand,const double brightness,const double contrast) 1074{ 1075 MagickBooleanType 1076 status; 1077 1078 assert(wand != (MagickWand *) NULL); 1079 assert(wand->signature == MagickWandSignature); 1080 if (wand->debug != MagickFalse) 1081 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1082 if (wand->images == (Image *) NULL) 1083 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1084 status=BrightnessContrastImage(wand->images,brightness,contrast, 1085 wand->exception); 1086 return(status); 1087} 1088 1089/* 1090%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1091% % 1092% % 1093% % 1094% M a g i c k C h a n n e l F x I m a g e % 1095% % 1096% % 1097% % 1098%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1099% 1100% MagickChannelFxImage() applies a channel expression to the specified image. 1101% The expression consists of one or more channels, either mnemonic or numeric 1102% (e.g. red, 1), separated by actions as follows: 1103% 1104% <=> exchange two channels (e.g. red<=>blue) 1105% => transfer a channel to another (e.g. red=>green) 1106% , separate channel operations (e.g. red, green) 1107% | read channels from next input image (e.g. red | green) 1108% ; write channels to next output image (e.g. red; green; blue) 1109% 1110% A channel without a operation symbol implies extract. For example, to create 1111% 3 grayscale images from the red, green, and blue channels of an image, use: 1112% 1113% -channel-fx "red; green; blue" 1114% 1115% The format of the MagickChannelFxImage method is: 1116% 1117% MagickWand *MagickChannelFxImage(MagickWand *wand,const char *expression) 1118% 1119% A description of each parameter follows: 1120% 1121% o wand: the magick wand. 1122% 1123% o expression: the expression. 1124% 1125*/ 1126WandExport MagickWand *MagickChannelFxImage(MagickWand *wand, 1127 const char *expression) 1128{ 1129 Image 1130 *fx_image; 1131 1132 assert(wand != (MagickWand *) NULL); 1133 assert(wand->signature == MagickWandSignature); 1134 if (wand->debug != MagickFalse) 1135 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1136 if (wand->images == (Image *) NULL) 1137 return((MagickWand *) NULL); 1138 fx_image=ChannelFxImage(wand->images,expression,wand->exception); 1139 if (fx_image == (Image *) NULL) 1140 return((MagickWand *) NULL); 1141 return(CloneMagickWandFromImages(wand,fx_image)); 1142} 1143 1144/* 1145%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1146% % 1147% % 1148% % 1149% M a g i c k C h a r c o a l I m a g e % 1150% % 1151% % 1152% % 1153%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1154% 1155% MagickCharcoalImage() simulates a charcoal drawing. 1156% 1157% The format of the MagickCharcoalImage method is: 1158% 1159% MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1160% const double radius,const double sigma) 1161% 1162% A description of each parameter follows: 1163% 1164% o wand: the magick wand. 1165% 1166% o radius: the radius of the Gaussian, in pixels, not counting the center 1167% pixel. 1168% 1169% o sigma: the standard deviation of the Gaussian, in pixels. 1170% 1171*/ 1172WandExport MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1173 const double radius,const double sigma) 1174{ 1175 Image 1176 *charcoal_image; 1177 1178 assert(wand != (MagickWand *) NULL); 1179 assert(wand->signature == MagickWandSignature); 1180 if (wand->debug != MagickFalse) 1181 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1182 if (wand->images == (Image *) NULL) 1183 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1184 charcoal_image=CharcoalImage(wand->images,radius,sigma,wand->exception); 1185 if (charcoal_image == (Image *) NULL) 1186 return(MagickFalse); 1187 ReplaceImageInList(&wand->images,charcoal_image); 1188 return(MagickTrue); 1189} 1190 1191/* 1192%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1193% % 1194% % 1195% % 1196% M a g i c k C h o p I m a g e % 1197% % 1198% % 1199% % 1200%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1201% 1202% MagickChopImage() removes a region of an image and collapses the image to 1203% occupy the removed portion 1204% 1205% The format of the MagickChopImage method is: 1206% 1207% MagickBooleanType MagickChopImage(MagickWand *wand, 1208% const size_t width,const size_t height,const ssize_t x, 1209% const ssize_t y) 1210% 1211% A description of each parameter follows: 1212% 1213% o wand: the magick wand. 1214% 1215% o width: the region width. 1216% 1217% o height: the region height. 1218% 1219% o x: the region x offset. 1220% 1221% o y: the region y offset. 1222% 1223% 1224*/ 1225WandExport MagickBooleanType MagickChopImage(MagickWand *wand, 1226 const size_t width,const size_t height,const ssize_t x, 1227 const ssize_t y) 1228{ 1229 Image 1230 *chop_image; 1231 1232 RectangleInfo 1233 chop; 1234 1235 assert(wand != (MagickWand *) NULL); 1236 assert(wand->signature == MagickWandSignature); 1237 if (wand->debug != MagickFalse) 1238 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1239 if (wand->images == (Image *) NULL) 1240 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1241 chop.width=width; 1242 chop.height=height; 1243 chop.x=x; 1244 chop.y=y; 1245 chop_image=ChopImage(wand->images,&chop,wand->exception); 1246 if (chop_image == (Image *) NULL) 1247 return(MagickFalse); 1248 ReplaceImageInList(&wand->images,chop_image); 1249 return(MagickTrue); 1250} 1251 1252/* 1253%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1254% % 1255% % 1256% % 1257% M a g i c k C l a m p I m a g e % 1258% % 1259% % 1260% % 1261%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1262% 1263% MagickClampImage() restricts the color range from 0 to the quantum depth. 1264% 1265% The format of the MagickClampImage method is: 1266% 1267% MagickBooleanType MagickClampImage(MagickWand *wand) 1268% 1269% A description of each parameter follows: 1270% 1271% o wand: the magick wand. 1272% 1273% o channel: the channel. 1274% 1275*/ 1276WandExport MagickBooleanType MagickClampImage(MagickWand *wand) 1277{ 1278 assert(wand != (MagickWand *) NULL); 1279 assert(wand->signature == MagickWandSignature); 1280 if (wand->debug != MagickFalse) 1281 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1282 if (wand->images == (Image *) NULL) 1283 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1284 return(ClampImage(wand->images,wand->exception)); 1285} 1286 1287/* 1288%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1289% % 1290% % 1291% % 1292% M a g i c k C l i p I m a g e % 1293% % 1294% % 1295% % 1296%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1297% 1298% MagickClipImage() clips along the first path from the 8BIM profile, if 1299% present. 1300% 1301% The format of the MagickClipImage method is: 1302% 1303% MagickBooleanType MagickClipImage(MagickWand *wand) 1304% 1305% A description of each parameter follows: 1306% 1307% o wand: the magick wand. 1308% 1309*/ 1310WandExport MagickBooleanType MagickClipImage(MagickWand *wand) 1311{ 1312 MagickBooleanType 1313 status; 1314 1315 assert(wand != (MagickWand *) NULL); 1316 assert(wand->signature == MagickWandSignature); 1317 if (wand->debug != MagickFalse) 1318 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1319 if (wand->images == (Image *) NULL) 1320 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1321 status=ClipImage(wand->images,wand->exception); 1322 return(status); 1323} 1324 1325/* 1326%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1327% % 1328% % 1329% % 1330% M a g i c k C l i p I m a g e P a t h % 1331% % 1332% % 1333% % 1334%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1335% 1336% MagickClipImagePath() clips along the named paths from the 8BIM profile, if 1337% present. Later operations take effect inside the path. Id may be a number 1338% if preceded with #, to work on a numbered path, e.g., "#1" to use the first 1339% path. 1340% 1341% The format of the MagickClipImagePath method is: 1342% 1343% MagickBooleanType MagickClipImagePath(MagickWand *wand, 1344% const char *pathname,const MagickBooleanType inside) 1345% 1346% A description of each parameter follows: 1347% 1348% o wand: the magick wand. 1349% 1350% o pathname: name of clipping path resource. If name is preceded by #, use 1351% clipping path numbered by name. 1352% 1353% o inside: if non-zero, later operations take effect inside clipping path. 1354% Otherwise later operations take effect outside clipping path. 1355% 1356*/ 1357WandExport MagickBooleanType MagickClipImagePath(MagickWand *wand, 1358 const char *pathname,const MagickBooleanType inside) 1359{ 1360 MagickBooleanType 1361 status; 1362 1363 assert(wand != (MagickWand *) NULL); 1364 assert(wand->signature == MagickWandSignature); 1365 if (wand->debug != MagickFalse) 1366 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1367 if (wand->images == (Image *) NULL) 1368 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1369 status=ClipImagePath(wand->images,pathname,inside,wand->exception); 1370 return(status); 1371} 1372 1373/* 1374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1375% % 1376% % 1377% % 1378% M a g i c k C l u t I m a g e % 1379% % 1380% % 1381% % 1382%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1383% 1384% MagickClutImage() replaces colors in the image from a color lookup table. 1385% 1386% The format of the MagickClutImage method is: 1387% 1388% MagickBooleanType MagickClutImage(MagickWand *wand, 1389% const MagickWand *clut_wand,const PixelInterpolateMethod method) 1390% 1391% A description of each parameter follows: 1392% 1393% o wand: the magick wand. 1394% 1395% o clut_image: the clut image. 1396% 1397% o method: the pixel interpolation method. 1398% 1399*/ 1400WandExport MagickBooleanType MagickClutImage(MagickWand *wand, 1401 const MagickWand *clut_wand,const PixelInterpolateMethod method) 1402{ 1403 MagickBooleanType 1404 status; 1405 1406 assert(wand != (MagickWand *) NULL); 1407 assert(wand->signature == MagickWandSignature); 1408 if (wand->debug != MagickFalse) 1409 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1410 if ((wand->images == (Image *) NULL) || (clut_wand->images == (Image *) NULL)) 1411 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1412 status=ClutImage(wand->images,clut_wand->images,method,wand->exception); 1413 return(status); 1414} 1415 1416/* 1417%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1418% % 1419% % 1420% % 1421% M a g i c k C o a l e s c e I m a g e s % 1422% % 1423% % 1424% % 1425%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1426% 1427% MagickCoalesceImages() composites a set of images while respecting any page 1428% offsets and disposal methods. GIF, MIFF, and MNG animation sequences 1429% typically start with an image background and each subsequent image 1430% varies in size and offset. MagickCoalesceImages() returns a new sequence 1431% where each image in the sequence is the same size as the first and 1432% composited with the next image in the sequence. 1433% 1434% The format of the MagickCoalesceImages method is: 1435% 1436% MagickWand *MagickCoalesceImages(MagickWand *wand) 1437% 1438% A description of each parameter follows: 1439% 1440% o wand: the magick wand. 1441% 1442*/ 1443WandExport MagickWand *MagickCoalesceImages(MagickWand *wand) 1444{ 1445 Image 1446 *coalesce_image; 1447 1448 assert(wand != (MagickWand *) NULL); 1449 assert(wand->signature == MagickWandSignature); 1450 if (wand->debug != MagickFalse) 1451 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1452 if (wand->images == (Image *) NULL) 1453 return((MagickWand *) NULL); 1454 coalesce_image=CoalesceImages(wand->images,wand->exception); 1455 if (coalesce_image == (Image *) NULL) 1456 return((MagickWand *) NULL); 1457 return(CloneMagickWandFromImages(wand,coalesce_image)); 1458} 1459 1460/* 1461%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1462% % 1463% % 1464% % 1465% M a g i c k C o l o r D e c i s i o n I m a g e % 1466% % 1467% % 1468% % 1469%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1470% 1471% MagickColorDecisionListImage() accepts a lightweight Color Correction 1472% Collection (CCC) file which solely contains one or more color corrections 1473% and applies the color correction to the image. Here is a sample CCC file: 1474% 1475% <ColorCorrectionCollection xmlns="urn:ASC:CDL:v1.2"> 1476% <ColorCorrection id="cc03345"> 1477% <SOPNode> 1478% <Slope> 0.9 1.2 0.5 </Slope> 1479% <Offset> 0.4 -0.5 0.6 </Offset> 1480% <Power> 1.0 0.8 1.5 </Power> 1481% </SOPNode> 1482% <SATNode> 1483% <Saturation> 0.85 </Saturation> 1484% </SATNode> 1485% </ColorCorrection> 1486% </ColorCorrectionCollection> 1487% 1488% which includes the offset, slope, and power for each of the RGB channels 1489% as well as the saturation. 1490% 1491% The format of the MagickColorDecisionListImage method is: 1492% 1493% MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1494% const char *color_correction_collection) 1495% 1496% A description of each parameter follows: 1497% 1498% o wand: the magick wand. 1499% 1500% o color_correction_collection: the color correction collection in XML. 1501% 1502*/ 1503WandExport MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1504 const char *color_correction_collection) 1505{ 1506 MagickBooleanType 1507 status; 1508 1509 assert(wand != (MagickWand *) NULL); 1510 assert(wand->signature == MagickWandSignature); 1511 if (wand->debug != MagickFalse) 1512 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1513 if (wand->images == (Image *) NULL) 1514 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1515 status=ColorDecisionListImage(wand->images,color_correction_collection, 1516 wand->exception); 1517 return(status); 1518} 1519 1520/* 1521%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1522% % 1523% % 1524% % 1525% M a g i c k C o l o r i z e I m a g e % 1526% % 1527% % 1528% % 1529%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1530% 1531% MagickColorizeImage() blends the fill color with each pixel in the image. 1532% 1533% The format of the MagickColorizeImage method is: 1534% 1535% MagickBooleanType MagickColorizeImage(MagickWand *wand, 1536% const PixelWand *colorize,const PixelWand *blend) 1537% 1538% A description of each parameter follows: 1539% 1540% o wand: the magick wand. 1541% 1542% o colorize: the colorize pixel wand. 1543% 1544% o alpha: the alpha pixel wand. 1545% 1546*/ 1547WandExport MagickBooleanType MagickColorizeImage(MagickWand *wand, 1548 const PixelWand *colorize,const PixelWand *blend) 1549{ 1550 char 1551 percent_blend[MagickPathExtent]; 1552 1553 Image 1554 *colorize_image; 1555 1556 PixelInfo 1557 target; 1558 1559 assert(wand != (MagickWand *) NULL); 1560 assert(wand->signature == MagickWandSignature); 1561 if (wand->debug != MagickFalse) 1562 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1563 if (wand->images == (Image *) NULL) 1564 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1565 GetPixelInfo(wand->images,&target); 1566 if (target.colorspace != CMYKColorspace) 1567 (void) FormatLocaleString(percent_blend,MagickPathExtent, 1568 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 1569 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 1570 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 1571 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 1572 PixelGetAlphaQuantum(blend))); 1573 else 1574 (void) FormatLocaleString(percent_blend,MagickPathExtent, 1575 "%g,%g,%g,%g,%g",(double) (100.0*QuantumScale* 1576 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 1577 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 1578 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 1579 PixelGetBlackQuantum(blend)),(double) (100.0*QuantumScale* 1580 PixelGetAlphaQuantum(blend))); 1581 target=PixelGetPixel(colorize); 1582 colorize_image=ColorizeImage(wand->images,percent_blend,&target, 1583 wand->exception); 1584 if (colorize_image == (Image *) NULL) 1585 return(MagickFalse); 1586 ReplaceImageInList(&wand->images,colorize_image); 1587 return(MagickTrue); 1588} 1589 1590/* 1591%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1592% % 1593% % 1594% % 1595% M a g i c k C o l o r M a t r i x I m a g e % 1596% % 1597% % 1598% % 1599%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1600% 1601% MagickColorMatrixImage() apply color transformation to an image. The method 1602% permits saturation changes, hue rotation, luminance to alpha, and various 1603% other effects. Although variable-sized transformation matrices can be used, 1604% typically one uses a 5x5 matrix for an RGBA image and a 6x6 for CMYKA 1605% (or RGBA with offsets). The matrix is similar to those used by Adobe Flash 1606% except offsets are in column 6 rather than 5 (in support of CMYKA images) 1607% and offsets are normalized (divide Flash offset by 255). 1608% 1609% The format of the MagickColorMatrixImage method is: 1610% 1611% MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1612% const KernelInfo *color_matrix) 1613% 1614% A description of each parameter follows: 1615% 1616% o wand: the magick wand. 1617% 1618% o color_matrix: the color matrix. 1619% 1620*/ 1621WandExport MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1622 const KernelInfo *color_matrix) 1623{ 1624 Image 1625 *color_image; 1626 1627 assert(wand != (MagickWand *) NULL); 1628 assert(wand->signature == MagickWandSignature); 1629 if (wand->debug != MagickFalse) 1630 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1631 if (color_matrix == (const KernelInfo *) NULL) 1632 return(MagickFalse); 1633 if (wand->images == (Image *) NULL) 1634 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1635 color_image=ColorMatrixImage(wand->images,color_matrix,wand->exception); 1636 if (color_image == (Image *) NULL) 1637 return(MagickFalse); 1638 ReplaceImageInList(&wand->images,color_image); 1639 return(MagickTrue); 1640} 1641 1642/* 1643%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1644% % 1645% % 1646% % 1647% M a g i c k C o m b i n e I m a g e s % 1648% % 1649% % 1650% % 1651%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1652% 1653% MagickCombineImages() combines one or more images into a single image. The 1654% grayscale value of the pixels of each image in the sequence is assigned in 1655% order to the specified hannels of the combined image. The typical 1656% ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc. 1657% 1658% The format of the MagickCombineImages method is: 1659% 1660% MagickWand *MagickCombineImages(MagickWand *wand, 1661% const ColorspaceType colorspace) 1662% 1663% A description of each parameter follows: 1664% 1665% o wand: the magick wand. 1666% 1667% o colorspace: the colorspace. 1668% 1669*/ 1670WandExport MagickWand *MagickCombineImages(MagickWand *wand, 1671 const ColorspaceType colorspace) 1672{ 1673 Image 1674 *combine_image; 1675 1676 assert(wand != (MagickWand *) NULL); 1677 assert(wand->signature == MagickWandSignature); 1678 if (wand->debug != MagickFalse) 1679 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1680 if (wand->images == (Image *) NULL) 1681 return((MagickWand *) NULL); 1682 combine_image=CombineImages(wand->images,colorspace,wand->exception); 1683 if (combine_image == (Image *) NULL) 1684 return((MagickWand *) NULL); 1685 return(CloneMagickWandFromImages(wand,combine_image)); 1686} 1687 1688/* 1689%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1690% % 1691% % 1692% % 1693% M a g i c k C o m m e n t I m a g e % 1694% % 1695% % 1696% % 1697%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1698% 1699% MagickCommentImage() adds a comment to your image. 1700% 1701% The format of the MagickCommentImage method is: 1702% 1703% MagickBooleanType MagickCommentImage(MagickWand *wand, 1704% const char *comment) 1705% 1706% A description of each parameter follows: 1707% 1708% o wand: the magick wand. 1709% 1710% o comment: the image comment. 1711% 1712*/ 1713WandExport MagickBooleanType MagickCommentImage(MagickWand *wand, 1714 const char *comment) 1715{ 1716 MagickBooleanType 1717 status; 1718 1719 assert(wand != (MagickWand *) NULL); 1720 assert(wand->signature == MagickWandSignature); 1721 if (wand->debug != MagickFalse) 1722 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1723 if (wand->images == (Image *) NULL) 1724 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1725 status=SetImageProperty(wand->images,"comment",comment,wand->exception); 1726 return(status); 1727} 1728 1729/* 1730%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1731% % 1732% % 1733% % 1734% M a g i c k C o m p a r e I m a g e L a y e r s % 1735% % 1736% % 1737% % 1738%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1739% 1740% MagickCompareImagesLayers() compares each image with the next in a sequence 1741% and returns the maximum bounding region of any pixel differences it 1742% discovers. 1743% 1744% The format of the MagickCompareImagesLayers method is: 1745% 1746% MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1747% const LayerMethod method) 1748% 1749% A description of each parameter follows: 1750% 1751% o wand: the magick wand. 1752% 1753% o method: the compare method. 1754% 1755*/ 1756WandExport MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1757 const LayerMethod method) 1758{ 1759 Image 1760 *layers_image; 1761 1762 assert(wand != (MagickWand *) NULL); 1763 assert(wand->signature == MagickWandSignature); 1764 if (wand->debug != MagickFalse) 1765 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1766 if (wand->images == (Image *) NULL) 1767 return((MagickWand *) NULL); 1768 layers_image=CompareImagesLayers(wand->images,method,wand->exception); 1769 if (layers_image == (Image *) NULL) 1770 return((MagickWand *) NULL); 1771 return(CloneMagickWandFromImages(wand,layers_image)); 1772} 1773 1774/* 1775%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1776% % 1777% % 1778% % 1779% M a g i c k C o m p a r e I m a g e s % 1780% % 1781% % 1782% % 1783%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1784% 1785% MagickCompareImages() compares an image to a reconstructed image and returns 1786% the specified difference image. 1787% 1788% The format of the MagickCompareImages method is: 1789% 1790% MagickWand *MagickCompareImages(MagickWand *wand, 1791% const MagickWand *reference,const MetricType metric, 1792% double *distortion) 1793% 1794% A description of each parameter follows: 1795% 1796% o wand: the magick wand. 1797% 1798% o reference: the reference wand. 1799% 1800% o metric: the metric. 1801% 1802% o distortion: the computed distortion between the images. 1803% 1804*/ 1805WandExport MagickWand *MagickCompareImages(MagickWand *wand, 1806 const MagickWand *reference,const MetricType metric,double *distortion) 1807{ 1808 Image 1809 *compare_image; 1810 1811 1812 assert(wand != (MagickWand *) NULL); 1813 assert(wand->signature == MagickWandSignature); 1814 if (wand->debug != MagickFalse) 1815 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1816 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 1817 { 1818 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 1819 "ContainsNoImages","`%s'",wand->name); 1820 return((MagickWand *) NULL); 1821 } 1822 compare_image=CompareImages(wand->images,reference->images,metric,distortion, 1823 wand->exception); 1824 if (compare_image == (Image *) NULL) 1825 return((MagickWand *) NULL); 1826 return(CloneMagickWandFromImages(wand,compare_image)); 1827} 1828 1829/* 1830%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1831% % 1832% % 1833% % 1834% M a g i c k C o m p o s i t e I m a g e % 1835% % 1836% % 1837% % 1838%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1839% 1840% MagickCompositeImage() composite one image onto another at the specified 1841% offset. 1842% 1843% The format of the MagickCompositeImage method is: 1844% 1845% MagickBooleanType MagickCompositeImage(MagickWand *wand, 1846% const MagickWand *source_wand,const CompositeOperator compose, 1847% const MagickBooleanType clip_to_self,const ssize_t x,const ssize_t y) 1848% 1849% A description of each parameter follows: 1850% 1851% o wand: the magick wand holding the destination images 1852% 1853% o source_image: the magick wand holding source image. 1854% 1855% o compose: This operator affects how the composite is applied to the 1856% image. The default is Over. These are some of the compose methods 1857% availble. 1858% 1859% OverCompositeOp InCompositeOp OutCompositeOp 1860% AtopCompositeOp XorCompositeOp PlusCompositeOp 1861% MinusCompositeOp AddCompositeOp SubtractCompositeOp 1862% DifferenceCompositeOp BumpmapCompositeOp CopyCompositeOp 1863% DisplaceCompositeOp 1864% 1865% o clip_to_self: set to MagickTrue to limit composition to area composed. 1866% 1867% o x: the column offset of the composited image. 1868% 1869% o y: the row offset of the composited image. 1870% 1871*/ 1872WandExport MagickBooleanType MagickCompositeImage(MagickWand *wand, 1873 const MagickWand *source_wand,const CompositeOperator compose, 1874 const MagickBooleanType clip_to_self,const ssize_t x,const ssize_t y) 1875{ 1876 MagickBooleanType 1877 status; 1878 1879 assert(wand != (MagickWand *) NULL); 1880 assert(wand->signature == MagickWandSignature); 1881 if (wand->debug != MagickFalse) 1882 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1883 if ((wand->images == (Image *) NULL) || 1884 (source_wand->images == (Image *) NULL)) 1885 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1886 status=CompositeImage(wand->images,source_wand->images,compose,clip_to_self, 1887 x,y,wand->exception); 1888 return(status); 1889} 1890 1891/* 1892%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1893% % 1894% % 1895% % 1896% M a g i c k C o m p o s i t e I m a g e G r a v i t y % 1897% % 1898% % 1899% % 1900%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1901% 1902% MagickCompositeImageGravity() composite one image onto another using the 1903% specified gravity. 1904% 1905% The format of the MagickCompositeImageGravity method is: 1906% 1907% MagickBooleanType MagickCompositeImageGravity(MagickWand *wand, 1908% const MagickWand *source_wand,const CompositeOperator compose, 1909% const GravityType gravity) 1910% 1911% A description of each parameter follows: 1912% 1913% o wand: the magick wand holding the destination images 1914% 1915% o source_image: the magick wand holding source image. 1916% 1917% o compose: This operator affects how the composite is applied to the 1918% image. The default is Over. These are some of the compose methods 1919% availble. 1920% 1921% OverCompositeOp InCompositeOp OutCompositeOp 1922% AtopCompositeOp XorCompositeOp PlusCompositeOp 1923% MinusCompositeOp AddCompositeOp SubtractCompositeOp 1924% DifferenceCompositeOp BumpmapCompositeOp CopyCompositeOp 1925% DisplaceCompositeOp 1926% 1927% o gravity: positioning gravity (NorthWestGravity, NorthGravity, 1928% NorthEastGravity, WestGravity, CenterGravity, 1929% EastGravity, SouthWestGravity, SouthGravity, 1930% SouthEastGravity) 1931% 1932*/ 1933WandExport MagickBooleanType MagickCompositeImageGravity(MagickWand *wand, 1934 const MagickWand *source_wand,const CompositeOperator compose, 1935 const GravityType gravity) 1936{ 1937 MagickBooleanType 1938 status; 1939 1940 RectangleInfo 1941 geometry; 1942 1943 assert(wand != (MagickWand *) NULL); 1944 assert(wand->signature == MagickWandSignature); 1945 if (wand->debug != MagickFalse) 1946 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1947 if ((wand->images == (Image *) NULL) || 1948 (source_wand->images == (Image *) NULL)) 1949 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1950 SetGeometry(source_wand->images,&geometry); 1951 GravityAdjustGeometry(wand->images->columns,wand->images->rows,gravity, 1952 &geometry); 1953 status=CompositeImage(wand->images,source_wand->images,compose,MagickTrue, 1954 geometry.x,geometry.y,wand->exception); 1955 return(status); 1956} 1957 1958/* 1959%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1960% % 1961% % 1962% % 1963% M a g i c k C o m p o s i t e L a y e r s % 1964% % 1965% % 1966% % 1967%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1968% 1969% MagickCompositeLayers() composite the images in the source wand over the 1970% images in the destination wand in sequence, starting with the current 1971% image in both lists. 1972% 1973% Each layer from the two image lists are composted together until the end of 1974% one of the image lists is reached. The offset of each composition is also 1975% adjusted to match the virtual canvas offsets of each layer. As such the 1976% given offset is relative to the virtual canvas, and not the actual image. 1977% 1978% Composition uses given x and y offsets, as the 'origin' location of the 1979% source images virtual canvas (not the real image) allowing you to compose a 1980% list of 'layer images' into the destiantioni images. This makes it well 1981% sutiable for directly composing 'Clears Frame Animations' or 'Coaleased 1982% Animations' onto a static or other 'Coaleased Animation' destination image 1983% list. GIF disposal handling is not looked at. 1984% 1985% Special case:- If one of the image sequences is the last image (just a 1986% single image remaining), that image is repeatally composed with all the 1987% images in the other image list. Either the source or destination lists may 1988% be the single image, for this situation. 1989% 1990% In the case of a single destination image (or last image given), that image 1991% will ve cloned to match the number of images remaining in the source image 1992% list. 1993% 1994% This is equivelent to the "-layer Composite" Shell API operator. 1995% 1996% The format of the MagickCompositeLayers method is: 1997% 1998% MagickBooleanType MagickCompositeLayers(MagickWand *wand, 1999% const MagickWand *source_wand, const CompositeOperator compose, 2000% const ssize_t x,const ssize_t y) 2001% 2002% A description of each parameter follows: 2003% 2004% o wand: the magick wand holding destaintion images 2005% 2006% o source_wand: the wand holding the source images 2007% 2008% o compose, x, y: composition arguments 2009% 2010*/ 2011WandExport MagickBooleanType MagickCompositeLayers(MagickWand *wand, 2012 const MagickWand *source_wand,const CompositeOperator compose, 2013 const ssize_t x,const ssize_t y) 2014{ 2015 MagickBooleanType 2016 status; 2017 2018 assert(wand != (MagickWand *) NULL); 2019 assert(wand->signature == MagickWandSignature); 2020 if (wand->debug != MagickFalse) 2021 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2022 if ((wand->images == (Image *) NULL) || 2023 (source_wand->images == (Image *) NULL)) 2024 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2025 CompositeLayers(wand->images,compose,source_wand->images,x,y,wand->exception); 2026 status=MagickTrue; /* FUTURE: determine status from exceptions */ 2027 return(status); 2028} 2029 2030/* 2031%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2032% % 2033% % 2034% % 2035% M a g i c k C o n t r a s t I m a g e % 2036% % 2037% % 2038% % 2039%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2040% 2041% MagickContrastImage() enhances the intensity differences between the lighter 2042% and darker elements of the image. Set sharpen to a value other than 0 to 2043% increase the image contrast otherwise the contrast is reduced. 2044% 2045% The format of the MagickContrastImage method is: 2046% 2047% MagickBooleanType MagickContrastImage(MagickWand *wand, 2048% const MagickBooleanType sharpen) 2049% 2050% A description of each parameter follows: 2051% 2052% o wand: the magick wand. 2053% 2054% o sharpen: Increase or decrease image contrast. 2055% 2056% 2057*/ 2058WandExport MagickBooleanType MagickContrastImage(MagickWand *wand, 2059 const MagickBooleanType sharpen) 2060{ 2061 MagickBooleanType 2062 status; 2063 2064 assert(wand != (MagickWand *) NULL); 2065 assert(wand->signature == MagickWandSignature); 2066 if (wand->debug != MagickFalse) 2067 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2068 if (wand->images == (Image *) NULL) 2069 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2070 status=ContrastImage(wand->images,sharpen,wand->exception); 2071 return(status); 2072} 2073 2074/* 2075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2076% % 2077% % 2078% % 2079% M a g i c k C o n t r a s t S t r e t c h I m a g e % 2080% % 2081% % 2082% % 2083%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2084% 2085% MagickContrastStretchImage() enhances the contrast of a color image by 2086% adjusting the pixels color to span the entire range of colors available. 2087% You can also reduce the influence of a particular channel with a gamma 2088% value of 0. 2089% 2090% The format of the MagickContrastStretchImage method is: 2091% 2092% MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 2093% const double black_point,const double white_point) 2094% 2095% A description of each parameter follows: 2096% 2097% o wand: the magick wand. 2098% 2099% o black_point: the black point. 2100% 2101% o white_point: the white point. 2102% 2103*/ 2104WandExport MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 2105 const double black_point,const double white_point) 2106{ 2107 MagickBooleanType 2108 status; 2109 2110 assert(wand != (MagickWand *) NULL); 2111 assert(wand->signature == MagickWandSignature); 2112 if (wand->debug != MagickFalse) 2113 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2114 if (wand->images == (Image *) NULL) 2115 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2116 status=ContrastStretchImage(wand->images,black_point,white_point, 2117 wand->exception); 2118 return(status); 2119} 2120 2121/* 2122%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2123% % 2124% % 2125% % 2126% M a g i c k C o n v o l v e I m a g e % 2127% % 2128% % 2129% % 2130%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2131% 2132% MagickConvolveImage() applies a custom convolution kernel to the image. 2133% 2134% The format of the MagickConvolveImage method is: 2135% 2136% MagickBooleanType MagickConvolveImage(MagickWand *wand, 2137% const KernelInfo *kernel) 2138% 2139% A description of each parameter follows: 2140% 2141% o wand: the magick wand. 2142% 2143% o kernel: An array of doubles representing the convolution kernel. 2144% 2145*/ 2146WandExport MagickBooleanType MagickConvolveImage(MagickWand *wand, 2147 const KernelInfo *kernel) 2148{ 2149 Image 2150 *filter_image; 2151 2152 assert(wand != (MagickWand *) NULL); 2153 assert(wand->signature == MagickWandSignature); 2154 if (wand->debug != MagickFalse) 2155 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2156 if (kernel == (const KernelInfo *) NULL) 2157 return(MagickFalse); 2158 if (wand->images == (Image *) NULL) 2159 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2160 filter_image=ConvolveImage(wand->images,kernel,wand->exception); 2161 if (filter_image == (Image *) NULL) 2162 return(MagickFalse); 2163 ReplaceImageInList(&wand->images,filter_image); 2164 return(MagickTrue); 2165} 2166 2167/* 2168%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2169% % 2170% % 2171% % 2172% M a g i c k C r o p I m a g e % 2173% % 2174% % 2175% % 2176%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2177% 2178% MagickCropImage() extracts a region of the image. 2179% 2180% The format of the MagickCropImage method is: 2181% 2182% MagickBooleanType MagickCropImage(MagickWand *wand, 2183% const size_t width,const size_t height,const ssize_t x,const ssize_t y) 2184% 2185% A description of each parameter follows: 2186% 2187% o wand: the magick wand. 2188% 2189% o width: the region width. 2190% 2191% o height: the region height. 2192% 2193% o x: the region x-offset. 2194% 2195% o y: the region y-offset. 2196% 2197*/ 2198WandExport MagickBooleanType MagickCropImage(MagickWand *wand, 2199 const size_t width,const size_t height,const ssize_t x,const ssize_t y) 2200{ 2201 Image 2202 *crop_image; 2203 2204 RectangleInfo 2205 crop; 2206 2207 assert(wand != (MagickWand *) NULL); 2208 assert(wand->signature == MagickWandSignature); 2209 if (wand->debug != MagickFalse) 2210 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2211 if (wand->images == (Image *) NULL) 2212 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2213 crop.width=width; 2214 crop.height=height; 2215 crop.x=x; 2216 crop.y=y; 2217 crop_image=CropImage(wand->images,&crop,wand->exception); 2218 if (crop_image == (Image *) NULL) 2219 return(MagickFalse); 2220 ReplaceImageInList(&wand->images,crop_image); 2221 return(MagickTrue); 2222} 2223 2224/* 2225%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2226% % 2227% % 2228% % 2229% M a g i c k C y c l e C o l o r m a p I m a g e % 2230% % 2231% % 2232% % 2233%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2234% 2235% MagickCycleColormapImage() displaces an image's colormap by a given number 2236% of positions. If you cycle the colormap a number of times you can produce 2237% a psychodelic effect. 2238% 2239% The format of the MagickCycleColormapImage method is: 2240% 2241% MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 2242% const ssize_t displace) 2243% 2244% A description of each parameter follows: 2245% 2246% o wand: the magick wand. 2247% 2248% o pixel_wand: the pixel wand. 2249% 2250*/ 2251WandExport MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 2252 const ssize_t displace) 2253{ 2254 MagickBooleanType 2255 status; 2256 2257 assert(wand != (MagickWand *) NULL); 2258 assert(wand->signature == MagickWandSignature); 2259 if (wand->debug != MagickFalse) 2260 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2261 if (wand->images == (Image *) NULL) 2262 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2263 status=CycleColormapImage(wand->images,displace,wand->exception); 2264 return(status); 2265} 2266 2267/* 2268%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2269% % 2270% % 2271% % 2272% M a g i c k C o n s t i t u t e I m a g e % 2273% % 2274% % 2275% % 2276%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2277% 2278% MagickConstituteImage() adds an image to the wand comprised of the pixel 2279% data you supply. The pixel data must be in scanline order top-to-bottom. 2280% The data can be char, short int, int, float, or double. Float and double 2281% require the pixels to be normalized [0..1], otherwise [0..Max], where Max 2282% is the maximum value the type can accomodate (e.g. 255 for char). For 2283% example, to create a 640x480 image from unsigned red-green-blue character 2284% data, use 2285% 2286% MagickConstituteImage(wand,640,480,"RGB",CharPixel,pixels); 2287% 2288% The format of the MagickConstituteImage method is: 2289% 2290% MagickBooleanType MagickConstituteImage(MagickWand *wand, 2291% const size_t columns,const size_t rows,const char *map, 2292% const StorageType storage,void *pixels) 2293% 2294% A description of each parameter follows: 2295% 2296% o wand: the magick wand. 2297% 2298% o columns: width in pixels of the image. 2299% 2300% o rows: height in pixels of the image. 2301% 2302% o map: This string reflects the expected ordering of the pixel array. 2303% It can be any combination or order of R = red, G = green, B = blue, 2304% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 2305% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 2306% P = pad. 2307% 2308% o storage: Define the data type of the pixels. Float and double types are 2309% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 2310% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 2311% LongPixel, QuantumPixel, or ShortPixel. 2312% 2313% o pixels: This array of values contain the pixel components as defined by 2314% map and type. You must preallocate this array where the expected 2315% length varies depending on the values of width, height, map, and type. 2316% 2317% 2318*/ 2319WandExport MagickBooleanType MagickConstituteImage(MagickWand *wand, 2320 const size_t columns,const size_t rows,const char *map, 2321 const StorageType storage,const void *pixels) 2322{ 2323 Image 2324 *images; 2325 2326 assert(wand != (MagickWand *) NULL); 2327 assert(wand->signature == MagickWandSignature); 2328 if (wand->debug != MagickFalse) 2329 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2330 images=ConstituteImage(columns,rows,map,storage,pixels,wand->exception); 2331 if (images == (Image *) NULL) 2332 return(MagickFalse); 2333 return(InsertImageInWand(wand,images)); 2334} 2335 2336/* 2337%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2338% % 2339% % 2340% % 2341% M a g i c k D e c i p h e r I m a g e % 2342% % 2343% % 2344% % 2345%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2346% 2347% MagickDecipherImage() converts cipher pixels to plain pixels. 2348% 2349% The format of the MagickDecipherImage method is: 2350% 2351% MagickBooleanType MagickDecipherImage(MagickWand *wand, 2352% const char *passphrase) 2353% 2354% A description of each parameter follows: 2355% 2356% o wand: the magick wand. 2357% 2358% o passphrase: the passphrase. 2359% 2360*/ 2361WandExport MagickBooleanType MagickDecipherImage(MagickWand *wand, 2362 const char *passphrase) 2363{ 2364 assert(wand != (MagickWand *) NULL); 2365 assert(wand->signature == MagickWandSignature); 2366 if (wand->debug != MagickFalse) 2367 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2368 if (wand->images == (Image *) NULL) 2369 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2370 return(DecipherImage(wand->images,passphrase,wand->exception)); 2371} 2372 2373/* 2374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2375% % 2376% % 2377% % 2378% M a g i c k D e c o n s t r u c t I m a g e s % 2379% % 2380% % 2381% % 2382%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2383% 2384% MagickDeconstructImages() compares each image with the next in a sequence 2385% and returns the maximum bounding region of any pixel differences it 2386% discovers. 2387% 2388% The format of the MagickDeconstructImages method is: 2389% 2390% MagickWand *MagickDeconstructImages(MagickWand *wand) 2391% 2392% A description of each parameter follows: 2393% 2394% o wand: the magick wand. 2395% 2396*/ 2397WandExport MagickWand *MagickDeconstructImages(MagickWand *wand) 2398{ 2399 Image 2400 *deconstruct_image; 2401 2402 assert(wand != (MagickWand *) NULL); 2403 assert(wand->signature == MagickWandSignature); 2404 if (wand->debug != MagickFalse) 2405 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2406 if (wand->images == (Image *) NULL) 2407 return((MagickWand *) NULL); 2408 deconstruct_image=CompareImagesLayers(wand->images,CompareAnyLayer, 2409 wand->exception); 2410 if (deconstruct_image == (Image *) NULL) 2411 return((MagickWand *) NULL); 2412 return(CloneMagickWandFromImages(wand,deconstruct_image)); 2413} 2414 2415/* 2416%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2417% % 2418% % 2419% % 2420% M a g i c k D e s k e w I m a g e % 2421% % 2422% % 2423% % 2424%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2425% 2426% MagickDeskewImage() removes skew from the image. Skew is an artifact that 2427% occurs in scanned images because of the camera being misaligned, 2428% imperfections in the scanning or surface, or simply because the paper was 2429% not placed completely flat when scanned. 2430% 2431% The format of the MagickDeskewImage method is: 2432% 2433% MagickBooleanType MagickDeskewImage(MagickWand *wand, 2434% const double threshold) 2435% 2436% A description of each parameter follows: 2437% 2438% o wand: the magick wand. 2439% 2440% o threshold: separate background from foreground. 2441% 2442*/ 2443WandExport MagickBooleanType MagickDeskewImage(MagickWand *wand, 2444 const double threshold) 2445{ 2446 Image 2447 *sepia_image; 2448 2449 assert(wand != (MagickWand *) NULL); 2450 assert(wand->signature == MagickWandSignature); 2451 if (wand->debug != MagickFalse) 2452 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2453 if (wand->images == (Image *) NULL) 2454 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2455 sepia_image=DeskewImage(wand->images,threshold,wand->exception); 2456 if (sepia_image == (Image *) NULL) 2457 return(MagickFalse); 2458 ReplaceImageInList(&wand->images,sepia_image); 2459 return(MagickTrue); 2460} 2461 2462/* 2463%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2464% % 2465% % 2466% % 2467% M a g i c k D e s p e c k l e I m a g e % 2468% % 2469% % 2470% % 2471%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2472% 2473% MagickDespeckleImage() reduces the speckle noise in an image while 2474% perserving the edges of the original image. 2475% 2476% The format of the MagickDespeckleImage method is: 2477% 2478% MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2479% 2480% A description of each parameter follows: 2481% 2482% o wand: the magick wand. 2483% 2484*/ 2485WandExport MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2486{ 2487 Image 2488 *despeckle_image; 2489 2490 assert(wand != (MagickWand *) NULL); 2491 assert(wand->signature == MagickWandSignature); 2492 if (wand->debug != MagickFalse) 2493 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2494 if (wand->images == (Image *) NULL) 2495 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2496 despeckle_image=DespeckleImage(wand->images,wand->exception); 2497 if (despeckle_image == (Image *) NULL) 2498 return(MagickFalse); 2499 ReplaceImageInList(&wand->images,despeckle_image); 2500 return(MagickTrue); 2501} 2502 2503/* 2504%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2505% % 2506% % 2507% % 2508% M a g i c k D e s t r o y I m a g e % 2509% % 2510% % 2511% % 2512%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2513% 2514% MagickDestroyImage() dereferences an image, deallocating memory associated 2515% with the image if the reference count becomes zero. 2516% 2517% The format of the MagickDestroyImage method is: 2518% 2519% Image *MagickDestroyImage(Image *image) 2520% 2521% A description of each parameter follows: 2522% 2523% o image: the image. 2524% 2525*/ 2526WandExport Image *MagickDestroyImage(Image *image) 2527{ 2528 return(DestroyImage(image)); 2529} 2530 2531/* 2532%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2533% % 2534% % 2535% % 2536% M a g i c k D i s p l a y I m a g e % 2537% % 2538% % 2539% % 2540%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2541% 2542% MagickDisplayImage() displays an image. 2543% 2544% The format of the MagickDisplayImage method is: 2545% 2546% MagickBooleanType MagickDisplayImage(MagickWand *wand, 2547% const char *server_name) 2548% 2549% A description of each parameter follows: 2550% 2551% o wand: the magick wand. 2552% 2553% o server_name: the X server name. 2554% 2555*/ 2556WandExport MagickBooleanType MagickDisplayImage(MagickWand *wand, 2557 const char *server_name) 2558{ 2559 Image 2560 *image; 2561 2562 MagickBooleanType 2563 status; 2564 2565 assert(wand != (MagickWand *) NULL); 2566 assert(wand->signature == MagickWandSignature); 2567 if (wand->debug != MagickFalse) 2568 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2569 if (wand->images == (Image *) NULL) 2570 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2571 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 2572 if (image == (Image *) NULL) 2573 return(MagickFalse); 2574 (void) CloneString(&wand->image_info->server_name,server_name); 2575 status=DisplayImages(wand->image_info,image,wand->exception); 2576 image=DestroyImage(image); 2577 return(status); 2578} 2579 2580/* 2581%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2582% % 2583% % 2584% % 2585% M a g i c k D i s p l a y I m a g e s % 2586% % 2587% % 2588% % 2589%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2590% 2591% MagickDisplayImages() displays an image or image sequence. 2592% 2593% The format of the MagickDisplayImages method is: 2594% 2595% MagickBooleanType MagickDisplayImages(MagickWand *wand, 2596% const char *server_name) 2597% 2598% A description of each parameter follows: 2599% 2600% o wand: the magick wand. 2601% 2602% o server_name: the X server name. 2603% 2604*/ 2605WandExport MagickBooleanType MagickDisplayImages(MagickWand *wand, 2606 const char *server_name) 2607{ 2608 MagickBooleanType 2609 status; 2610 2611 assert(wand != (MagickWand *) NULL); 2612 assert(wand->signature == MagickWandSignature); 2613 if (wand->debug != MagickFalse) 2614 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2615 (void) CloneString(&wand->image_info->server_name,server_name); 2616 status=DisplayImages(wand->image_info,wand->images,wand->exception); 2617 return(status); 2618} 2619 2620/* 2621%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2622% % 2623% % 2624% % 2625% M a g i c k D i s t o r t I m a g e % 2626% % 2627% % 2628% % 2629%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2630% 2631% MagickDistortImage() distorts an image using various distortion methods, by 2632% mapping color lookups of the source image to a new destination image 2633% usally of the same size as the source image, unless 'bestfit' is set to 2634% true. 2635% 2636% If 'bestfit' is enabled, and distortion allows it, the destination image is 2637% adjusted to ensure the whole source 'image' will just fit within the final 2638% destination image, which will be sized and offset accordingly. Also in 2639% many cases the virtual offset of the source image will be taken into 2640% account in the mapping. 2641% 2642% The format of the MagickDistortImage method is: 2643% 2644% MagickBooleanType MagickDistortImage(MagickWand *wand, 2645% const DistortMethod method,const size_t number_arguments, 2646% const double *arguments,const MagickBooleanType bestfit) 2647% 2648% A description of each parameter follows: 2649% 2650% o image: the image to be distorted. 2651% 2652% o method: the method of image distortion. 2653% 2654% ArcDistortion always ignores the source image offset, and always 2655% 'bestfit' the destination image with the top left corner offset 2656% relative to the polar mapping center. 2657% 2658% Bilinear has no simple inverse mapping so it does not allow 'bestfit' 2659% style of image distortion. 2660% 2661% Affine, Perspective, and Bilinear, do least squares fitting of the 2662% distortion when more than the minimum number of control point pairs 2663% are provided. 2664% 2665% Perspective, and Bilinear, falls back to a Affine distortion when less 2666% that 4 control point pairs are provided. While Affine distortions let 2667% you use any number of control point pairs, that is Zero pairs is a 2668% no-Op (viewport only) distrotion, one pair is a translation and two 2669% pairs of control points do a scale-rotate-translate, without any 2670% shearing. 2671% 2672% o number_arguments: the number of arguments given for this distortion 2673% method. 2674% 2675% o arguments: the arguments for this distortion method. 2676% 2677% o bestfit: Attempt to resize destination to fit distorted source. 2678% 2679*/ 2680WandExport MagickBooleanType MagickDistortImage(MagickWand *wand, 2681 const DistortMethod method,const size_t number_arguments, 2682 const double *arguments,const MagickBooleanType bestfit) 2683{ 2684 Image 2685 *distort_image; 2686 2687 assert(wand != (MagickWand *) NULL); 2688 assert(wand->signature == MagickWandSignature); 2689 if (wand->debug != MagickFalse) 2690 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2691 if (wand->images == (Image *) NULL) 2692 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2693 distort_image=DistortImage(wand->images,method,number_arguments,arguments, 2694 bestfit,wand->exception); 2695 if (distort_image == (Image *) NULL) 2696 return(MagickFalse); 2697 ReplaceImageInList(&wand->images,distort_image); 2698 return(MagickTrue); 2699} 2700 2701/* 2702%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2703% % 2704% % 2705% % 2706% M a g i c k D r a w I m a g e % 2707% % 2708% % 2709% % 2710%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2711% 2712% MagickDrawImage() renders the drawing wand on the current image. 2713% 2714% The format of the MagickDrawImage method is: 2715% 2716% MagickBooleanType MagickDrawImage(MagickWand *wand, 2717% const DrawingWand *drawing_wand) 2718% 2719% A description of each parameter follows: 2720% 2721% o wand: the magick wand. 2722% 2723% o drawing_wand: the draw wand. 2724% 2725*/ 2726WandExport MagickBooleanType MagickDrawImage(MagickWand *wand, 2727 const DrawingWand *drawing_wand) 2728{ 2729 char 2730 *primitive; 2731 2732 DrawInfo 2733 *draw_info; 2734 2735 MagickBooleanType 2736 status; 2737 2738 assert(wand != (MagickWand *) NULL); 2739 assert(wand->signature == MagickWandSignature); 2740 if (wand->debug != MagickFalse) 2741 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2742 if (wand->images == (Image *) NULL) 2743 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2744 draw_info=PeekDrawingWand(drawing_wand); 2745 if ((draw_info == (DrawInfo *) NULL) || 2746 (draw_info->primitive == (char *) NULL)) 2747 return(MagickFalse); 2748 primitive=AcquireString(draw_info->primitive); 2749 draw_info=DestroyDrawInfo(draw_info); 2750 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 2751 draw_info->primitive=primitive; 2752 status=DrawImage(wand->images,draw_info,wand->exception); 2753 draw_info=DestroyDrawInfo(draw_info); 2754 return(status); 2755} 2756 2757/* 2758%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2759% % 2760% % 2761% % 2762% M a g i c k E d g e I m a g e % 2763% % 2764% % 2765% % 2766%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2767% 2768% MagickEdgeImage() enhance edges within the image with a convolution filter 2769% of the given radius. Use a radius of 0 and Edge() selects a suitable 2770% radius for you. 2771% 2772% The format of the MagickEdgeImage method is: 2773% 2774% MagickBooleanType MagickEdgeImage(MagickWand *wand,const double radius) 2775% 2776% A description of each parameter follows: 2777% 2778% o wand: the magick wand. 2779% 2780% o radius: the radius of the pixel neighborhood. 2781% 2782*/ 2783WandExport MagickBooleanType MagickEdgeImage(MagickWand *wand, 2784 const double radius) 2785{ 2786 Image 2787 *edge_image; 2788 2789 assert(wand != (MagickWand *) NULL); 2790 assert(wand->signature == MagickWandSignature); 2791 if (wand->debug != MagickFalse) 2792 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2793 if (wand->images == (Image *) NULL) 2794 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2795 edge_image=EdgeImage(wand->images,radius,wand->exception); 2796 if (edge_image == (Image *) NULL) 2797 return(MagickFalse); 2798 ReplaceImageInList(&wand->images,edge_image); 2799 return(MagickTrue); 2800} 2801 2802/* 2803%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2804% % 2805% % 2806% % 2807% M a g i c k E m b o s s I m a g e % 2808% % 2809% % 2810% % 2811%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2812% 2813% MagickEmbossImage() returns a grayscale image with a three-dimensional 2814% effect. We convolve the image with a Gaussian operator of the given radius 2815% and standard deviation (sigma). For reasonable results, radius should be 2816% larger than sigma. Use a radius of 0 and Emboss() selects a suitable 2817% radius for you. 2818% 2819% The format of the MagickEmbossImage method is: 2820% 2821% MagickBooleanType MagickEmbossImage(MagickWand *wand,const double radius, 2822% const double sigma) 2823% 2824% A description of each parameter follows: 2825% 2826% o wand: the magick wand. 2827% 2828% o radius: the radius of the Gaussian, in pixels, not counting the center 2829% pixel. 2830% 2831% o sigma: the standard deviation of the Gaussian, in pixels. 2832% 2833*/ 2834WandExport MagickBooleanType MagickEmbossImage(MagickWand *wand, 2835 const double radius,const double sigma) 2836{ 2837 Image 2838 *emboss_image; 2839 2840 assert(wand != (MagickWand *) NULL); 2841 assert(wand->signature == MagickWandSignature); 2842 if (wand->debug != MagickFalse) 2843 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2844 if (wand->images == (Image *) NULL) 2845 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2846 emboss_image=EmbossImage(wand->images,radius,sigma,wand->exception); 2847 if (emboss_image == (Image *) NULL) 2848 return(MagickFalse); 2849 ReplaceImageInList(&wand->images,emboss_image); 2850 return(MagickTrue); 2851} 2852 2853/* 2854%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2855% % 2856% % 2857% % 2858% M a g i c k E n c i p h e r I m a g e % 2859% % 2860% % 2861% % 2862%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2863% 2864% MagickEncipherImage() converts plaint pixels to cipher pixels. 2865% 2866% The format of the MagickEncipherImage method is: 2867% 2868% MagickBooleanType MagickEncipherImage(MagickWand *wand, 2869% const char *passphrase) 2870% 2871% A description of each parameter follows: 2872% 2873% o wand: the magick wand. 2874% 2875% o passphrase: the passphrase. 2876% 2877*/ 2878WandExport MagickBooleanType MagickEncipherImage(MagickWand *wand, 2879 const char *passphrase) 2880{ 2881 assert(wand != (MagickWand *) NULL); 2882 assert(wand->signature == MagickWandSignature); 2883 if (wand->debug != MagickFalse) 2884 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2885 if (wand->images == (Image *) NULL) 2886 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2887 return(EncipherImage(wand->images,passphrase,wand->exception)); 2888} 2889 2890/* 2891%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2892% % 2893% % 2894% % 2895% M a g i c k E n h a n c e I m a g e % 2896% % 2897% % 2898% % 2899%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2900% 2901% MagickEnhanceImage() applies a digital filter that improves the quality of a 2902% noisy image. 2903% 2904% The format of the MagickEnhanceImage method is: 2905% 2906% MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2907% 2908% A description of each parameter follows: 2909% 2910% o wand: the magick wand. 2911% 2912*/ 2913WandExport MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2914{ 2915 Image 2916 *enhance_image; 2917 2918 assert(wand != (MagickWand *) NULL); 2919 assert(wand->signature == MagickWandSignature); 2920 if (wand->debug != MagickFalse) 2921 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2922 if (wand->images == (Image *) NULL) 2923 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2924 enhance_image=EnhanceImage(wand->images,wand->exception); 2925 if (enhance_image == (Image *) NULL) 2926 return(MagickFalse); 2927 ReplaceImageInList(&wand->images,enhance_image); 2928 return(MagickTrue); 2929} 2930 2931/* 2932%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2933% % 2934% % 2935% % 2936% M a g i c k E q u a l i z e I m a g e % 2937% % 2938% % 2939% % 2940%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2941% 2942% MagickEqualizeImage() equalizes the image histogram. 2943% 2944% The format of the MagickEqualizeImage method is: 2945% 2946% MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2947% 2948% A description of each parameter follows: 2949% 2950% o wand: the magick wand. 2951% 2952% o channel: the image channel(s). 2953% 2954*/ 2955WandExport MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2956{ 2957 MagickBooleanType 2958 status; 2959 2960 assert(wand != (MagickWand *) NULL); 2961 assert(wand->signature == MagickWandSignature); 2962 if (wand->debug != MagickFalse) 2963 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2964 if (wand->images == (Image *) NULL) 2965 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2966 status=EqualizeImage(wand->images,wand->exception); 2967 return(status); 2968} 2969 2970/* 2971%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2972% % 2973% % 2974% % 2975% M a g i c k E v a l u a t e I m a g e % 2976% % 2977% % 2978% % 2979%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2980% 2981% MagickEvaluateImage() applys an arithmetic, relational, or logical 2982% expression to an image. Use these operators to lighten or darken an image, 2983% to increase or decrease contrast in an image, or to produce the "negative" 2984% of an image. 2985% 2986% The format of the MagickEvaluateImage method is: 2987% 2988% MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2989% const MagickEvaluateOperator operator,const double value) 2990% MagickBooleanType MagickEvaluateImages(MagickWand *wand, 2991% const MagickEvaluateOperator operator) 2992% 2993% A description of each parameter follows: 2994% 2995% o wand: the magick wand. 2996% 2997% o op: A channel operator. 2998% 2999% o value: A value value. 3000% 3001*/ 3002 3003WandExport MagickWand *MagickEvaluateImages(MagickWand *wand, 3004 const MagickEvaluateOperator op) 3005{ 3006 Image 3007 *evaluate_image; 3008 3009 assert(wand != (MagickWand *) NULL); 3010 assert(wand->signature == MagickWandSignature); 3011 if (wand->debug != MagickFalse) 3012 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3013 if (wand->images == (Image *) NULL) 3014 return((MagickWand *) NULL); 3015 evaluate_image=EvaluateImages(wand->images,op,wand->exception); 3016 if (evaluate_image == (Image *) NULL) 3017 return((MagickWand *) NULL); 3018 return(CloneMagickWandFromImages(wand,evaluate_image)); 3019} 3020 3021WandExport MagickBooleanType MagickEvaluateImage(MagickWand *wand, 3022 const MagickEvaluateOperator op,const double value) 3023{ 3024 MagickBooleanType 3025 status; 3026 3027 assert(wand != (MagickWand *) NULL); 3028 assert(wand->signature == MagickWandSignature); 3029 if (wand->debug != MagickFalse) 3030 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3031 if (wand->images == (Image *) NULL) 3032 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3033 status=EvaluateImage(wand->images,op,value,wand->exception); 3034 return(status); 3035} 3036 3037/* 3038%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3039% % 3040% % 3041% % 3042% M a g i c k E x p o r t I m a g e P i x e l s % 3043% % 3044% % 3045% % 3046%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3047% 3048% MagickExportImagePixels() extracts pixel data from an image and returns it 3049% to you. The method returns MagickTrue on success otherwise MagickFalse if 3050% an error is encountered. The data is returned as char, short int, int, 3051% ssize_t, float, or double in the order specified by map. 3052% 3053% Suppose you want to extract the first scanline of a 640x480 image as 3054% character data in red-green-blue order: 3055% 3056% MagickExportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 3057% 3058% The format of the MagickExportImagePixels method is: 3059% 3060% MagickBooleanType MagickExportImagePixels(MagickWand *wand, 3061% const ssize_t x,const ssize_t y,const size_t columns, 3062% const size_t rows,const char *map,const StorageType storage, 3063% void *pixels) 3064% 3065% A description of each parameter follows: 3066% 3067% o wand: the magick wand. 3068% 3069% o x, y, columns, rows: These values define the perimeter 3070% of a region of pixels you want to extract. 3071% 3072% o map: This string reflects the expected ordering of the pixel array. 3073% It can be any combination or order of R = red, G = green, B = blue, 3074% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 3075% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 3076% P = pad. 3077% 3078% o storage: Define the data type of the pixels. Float and double types are 3079% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 3080% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 3081% LongPixel, QuantumPixel, or ShortPixel. 3082% 3083% o pixels: This array of values contain the pixel components as defined by 3084% map and type. You must preallocate this array where the expected 3085% length varies depending on the values of width, height, map, and type. 3086% 3087*/ 3088WandExport MagickBooleanType MagickExportImagePixels(MagickWand *wand, 3089 const ssize_t x,const ssize_t y,const size_t columns, 3090 const size_t rows,const char *map,const StorageType storage, 3091 void *pixels) 3092{ 3093 MagickBooleanType 3094 status; 3095 3096 assert(wand != (MagickWand *) NULL); 3097 assert(wand->signature == MagickWandSignature); 3098 if (wand->debug != MagickFalse) 3099 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3100 if (wand->images == (Image *) NULL) 3101 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3102 status=ExportImagePixels(wand->images,x,y,columns,rows,map, 3103 storage,pixels,wand->exception); 3104 return(status); 3105} 3106 3107/* 3108%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3109% % 3110% % 3111% % 3112% M a g i c k E x t e n t I m a g e % 3113% % 3114% % 3115% % 3116%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3117% 3118% MagickExtentImage() extends the image as defined by the geometry, gravity, 3119% and wand background color. Set the (x,y) offset of the geometry to move 3120% the original wand relative to the extended wand. 3121% 3122% The format of the MagickExtentImage method is: 3123% 3124% MagickBooleanType MagickExtentImage(MagickWand *wand,const size_t width, 3125% const size_t height,const ssize_t x,const ssize_t y) 3126% 3127% A description of each parameter follows: 3128% 3129% o wand: the magick wand. 3130% 3131% o width: the region width. 3132% 3133% o height: the region height. 3134% 3135% o x: the region x offset. 3136% 3137% o y: the region y offset. 3138% 3139*/ 3140WandExport MagickBooleanType MagickExtentImage(MagickWand *wand, 3141 const size_t width,const size_t height,const ssize_t x,const ssize_t y) 3142{ 3143 Image 3144 *extent_image; 3145 3146 RectangleInfo 3147 extent; 3148 3149 assert(wand != (MagickWand *) NULL); 3150 assert(wand->signature == MagickWandSignature); 3151 if (wand->debug != MagickFalse) 3152 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3153 if (wand->images == (Image *) NULL) 3154 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3155 extent.width=width; 3156 extent.height=height; 3157 extent.x=x; 3158 extent.y=y; 3159 extent_image=ExtentImage(wand->images,&extent,wand->exception); 3160 if (extent_image == (Image *) NULL) 3161 return(MagickFalse); 3162 ReplaceImageInList(&wand->images,extent_image); 3163 return(MagickTrue); 3164} 3165 3166/* 3167%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3168% % 3169% % 3170% % 3171% M a g i c k F l i p I m a g e % 3172% % 3173% % 3174% % 3175%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3176% 3177% MagickFlipImage() creates a vertical mirror image by reflecting the pixels 3178% around the central x-axis. 3179% 3180% The format of the MagickFlipImage method is: 3181% 3182% MagickBooleanType MagickFlipImage(MagickWand *wand) 3183% 3184% A description of each parameter follows: 3185% 3186% o wand: the magick wand. 3187% 3188*/ 3189WandExport MagickBooleanType MagickFlipImage(MagickWand *wand) 3190{ 3191 Image 3192 *flip_image; 3193 3194 assert(wand != (MagickWand *) NULL); 3195 assert(wand->signature == MagickWandSignature); 3196 if (wand->debug != MagickFalse) 3197 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3198 if (wand->images == (Image *) NULL) 3199 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3200 flip_image=FlipImage(wand->images,wand->exception); 3201 if (flip_image == (Image *) NULL) 3202 return(MagickFalse); 3203 ReplaceImageInList(&wand->images,flip_image); 3204 return(MagickTrue); 3205} 3206 3207/* 3208%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3209% % 3210% % 3211% % 3212% M a g i c k F l o o d f i l l P a i n t I m a g e % 3213% % 3214% % 3215% % 3216%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3217% 3218% MagickFloodfillPaintImage() changes the color value of any pixel that matches 3219% target and is an immediate neighbor. If the method FillToBorderMethod is 3220% specified, the color value is changed for any neighbor pixel that does not 3221% match the bordercolor member of image. 3222% 3223% The format of the MagickFloodfillPaintImage method is: 3224% 3225% MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 3226% const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 3227% const ssize_t x,const ssize_t y,const MagickBooleanType invert) 3228% 3229% A description of each parameter follows: 3230% 3231% o wand: the magick wand. 3232% 3233% o fill: the floodfill color pixel wand. 3234% 3235% o fuzz: By default target must match a particular pixel color 3236% exactly. However, in many cases two colors may differ by a small amount. 3237% The fuzz member of image defines how much tolerance is acceptable to 3238% consider two colors as the same. For example, set fuzz to 10 and the 3239% color red at intensities of 100 and 102 respectively are now interpreted 3240% as the same color for the purposes of the floodfill. 3241% 3242% o bordercolor: the border color pixel wand. 3243% 3244% o x,y: the starting location of the operation. 3245% 3246% o invert: paint any pixel that does not match the target color. 3247% 3248*/ 3249WandExport MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 3250 const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 3251 const ssize_t x,const ssize_t y,const MagickBooleanType invert) 3252{ 3253 DrawInfo 3254 *draw_info; 3255 3256 MagickBooleanType 3257 status; 3258 3259 PixelInfo 3260 target; 3261 3262 assert(wand != (MagickWand *) NULL); 3263 assert(wand->signature == MagickWandSignature); 3264 if (wand->debug != MagickFalse) 3265 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3266 if (wand->images == (Image *) NULL) 3267 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3268 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 3269 PixelGetQuantumPacket(fill,&draw_info->fill); 3270 (void) GetOneVirtualPixelInfo(wand->images,TileVirtualPixelMethod,x % 3271 wand->images->columns,y % wand->images->rows,&target,wand->exception); 3272 if (bordercolor != (PixelWand *) NULL) 3273 PixelGetMagickColor(bordercolor,&target); 3274 wand->images->fuzz=fuzz; 3275 status=FloodfillPaintImage(wand->images,draw_info,&target,x,y,invert, 3276 wand->exception); 3277 draw_info=DestroyDrawInfo(draw_info); 3278 return(status); 3279} 3280 3281/* 3282%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3283% % 3284% % 3285% % 3286% M a g i c k F l o p I m a g e % 3287% % 3288% % 3289% % 3290%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3291% 3292% MagickFlopImage() creates a horizontal mirror image by reflecting the pixels 3293% around the central y-axis. 3294% 3295% The format of the MagickFlopImage method is: 3296% 3297% MagickBooleanType MagickFlopImage(MagickWand *wand) 3298% 3299% A description of each parameter follows: 3300% 3301% o wand: the magick wand. 3302% 3303*/ 3304WandExport MagickBooleanType MagickFlopImage(MagickWand *wand) 3305{ 3306 Image 3307 *flop_image; 3308 3309 assert(wand != (MagickWand *) NULL); 3310 assert(wand->signature == MagickWandSignature); 3311 if (wand->debug != MagickFalse) 3312 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3313 if (wand->images == (Image *) NULL) 3314 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3315 flop_image=FlopImage(wand->images,wand->exception); 3316 if (flop_image == (Image *) NULL) 3317 return(MagickFalse); 3318 ReplaceImageInList(&wand->images,flop_image); 3319 return(MagickTrue); 3320} 3321 3322/* 3323%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3324% % 3325% % 3326% % 3327% M a g i c k F o u r i e r T r a n s f o r m I m a g e % 3328% % 3329% % 3330% % 3331%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3332% 3333% MagickForwardFourierTransformImage() implements the discrete Fourier 3334% transform (DFT) of the image either as a magnitude / phase or real / 3335% imaginary image pair. 3336% 3337% The format of the MagickForwardFourierTransformImage method is: 3338% 3339% MagickBooleanType MagickForwardFourierTransformImage(MagickWand *wand, 3340% const MagickBooleanType magnitude) 3341% 3342% A description of each parameter follows: 3343% 3344% o wand: the magick wand. 3345% 3346% o magnitude: if true, return as magnitude / phase pair otherwise a real / 3347% imaginary image pair. 3348% 3349*/ 3350WandExport MagickBooleanType MagickForwardFourierTransformImage( 3351 MagickWand *wand,const MagickBooleanType magnitude) 3352{ 3353 Image 3354 *forward_image; 3355 3356 assert(wand != (MagickWand *) NULL); 3357 assert(wand->signature == MagickWandSignature); 3358 if (wand->debug != MagickFalse) 3359 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3360 if (wand->images == (Image *) NULL) 3361 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3362 forward_image=ForwardFourierTransformImage(wand->images,magnitude, 3363 wand->exception); 3364 if (forward_image == (Image *) NULL) 3365 return(MagickFalse); 3366 ReplaceImageInList(&wand->images,forward_image); 3367 return(MagickTrue); 3368} 3369 3370/* 3371%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3372% % 3373% % 3374% % 3375% M a g i c k F r a m e I m a g e % 3376% % 3377% % 3378% % 3379%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3380% 3381% MagickFrameImage() adds a simulated three-dimensional border around the 3382% image. The width and height specify the border width of the vertical and 3383% horizontal sides of the frame. The inner and outer bevels indicate the 3384% width of the inner and outer shadows of the frame. 3385% 3386% The format of the MagickFrameImage method is: 3387% 3388% MagickBooleanType MagickFrameImage(MagickWand *wand, 3389% const PixelWand *alpha_color,const size_t width, 3390% const size_t height,const ssize_t inner_bevel, 3391% const ssize_t outer_bevel,const CompositeOperator compose) 3392% 3393% A description of each parameter follows: 3394% 3395% o wand: the magick wand. 3396% 3397% o alpha_color: the frame color pixel wand. 3398% 3399% o width: the border width. 3400% 3401% o height: the border height. 3402% 3403% o inner_bevel: the inner bevel width. 3404% 3405% o outer_bevel: the outer bevel width. 3406% 3407% o compose: the composite operator. 3408% 3409*/ 3410WandExport MagickBooleanType MagickFrameImage(MagickWand *wand, 3411 const PixelWand *alpha_color,const size_t width,const size_t height, 3412 const ssize_t inner_bevel,const ssize_t outer_bevel, 3413 const CompositeOperator compose) 3414{ 3415 Image 3416 *frame_image; 3417 3418 FrameInfo 3419 frame_info; 3420 3421 assert(wand != (MagickWand *) NULL); 3422 assert(wand->signature == MagickWandSignature); 3423 if (wand->debug != MagickFalse) 3424 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3425 if (wand->images == (Image *) NULL) 3426 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3427 (void) ResetMagickMemory(&frame_info,0,sizeof(frame_info)); 3428 frame_info.width=wand->images->columns+2*width; 3429 frame_info.height=wand->images->rows+2*height; 3430 frame_info.x=(ssize_t) width; 3431 frame_info.y=(ssize_t) height; 3432 frame_info.inner_bevel=inner_bevel; 3433 frame_info.outer_bevel=outer_bevel; 3434 PixelGetQuantumPacket(alpha_color,&wand->images->alpha_color); 3435 frame_image=FrameImage(wand->images,&frame_info,compose,wand->exception); 3436 if (frame_image == (Image *) NULL) 3437 return(MagickFalse); 3438 ReplaceImageInList(&wand->images,frame_image); 3439 return(MagickTrue); 3440} 3441 3442/* 3443%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3444% % 3445% % 3446% % 3447% M a g i c k F u n c t i o n I m a g e % 3448% % 3449% % 3450% % 3451%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3452% 3453% MagickFunctionImage() applys an arithmetic, relational, or logical 3454% expression to an image. Use these operators to lighten or darken an image, 3455% to increase or decrease contrast in an image, or to produce the "negative" 3456% of an image. 3457% 3458% The format of the MagickFunctionImage method is: 3459% 3460% MagickBooleanType MagickFunctionImage(MagickWand *wand, 3461% const MagickFunction function,const size_t number_arguments, 3462% const double *arguments) 3463% 3464% A description of each parameter follows: 3465% 3466% o wand: the magick wand. 3467% 3468% o function: the image function. 3469% 3470% o number_arguments: the number of function arguments. 3471% 3472% o arguments: the function arguments. 3473% 3474*/ 3475WandExport MagickBooleanType MagickFunctionImage(MagickWand *wand, 3476 const MagickFunction function,const size_t number_arguments, 3477 const double *arguments) 3478{ 3479 MagickBooleanType 3480 status; 3481 3482 assert(wand != (MagickWand *) NULL); 3483 assert(wand->signature == MagickWandSignature); 3484 if (wand->debug != MagickFalse) 3485 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3486 if (wand->images == (Image *) NULL) 3487 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3488 status=FunctionImage(wand->images,function,number_arguments,arguments, 3489 wand->exception); 3490 return(status); 3491} 3492 3493/* 3494%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3495% % 3496% % 3497% % 3498% M a g i c k F x I m a g e % 3499% % 3500% % 3501% % 3502%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3503% 3504% MagickFxImage() evaluate expression for each pixel in the image. 3505% 3506% The format of the MagickFxImage method is: 3507% 3508% MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3509% 3510% A description of each parameter follows: 3511% 3512% o wand: the magick wand. 3513% 3514% o expression: the expression. 3515% 3516*/ 3517WandExport MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3518{ 3519 Image 3520 *fx_image; 3521 3522 assert(wand != (MagickWand *) NULL); 3523 assert(wand->signature == MagickWandSignature); 3524 if (wand->debug != MagickFalse) 3525 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3526 if (wand->images == (Image *) NULL) 3527 return((MagickWand *) NULL); 3528 fx_image=FxImage(wand->images,expression,wand->exception); 3529 if (fx_image == (Image *) NULL) 3530 return((MagickWand *) NULL); 3531 return(CloneMagickWandFromImages(wand,fx_image)); 3532} 3533 3534/* 3535%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3536% % 3537% % 3538% % 3539% M a g i c k G a m m a I m a g e % 3540% % 3541% % 3542% % 3543%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3544% 3545% MagickGammaImage() gamma-corrects an image. The same image viewed on 3546% different devices will have perceptual differences in the way the image's 3547% intensities are represented on the screen. Specify individual gamma levels 3548% for the red, green, and blue channels, or adjust all three with the gamma 3549% parameter. Values typically range from 0.8 to 2.3. 3550% 3551% You can also reduce the influence of a particular channel with a gamma 3552% value of 0. 3553% 3554% The format of the MagickGammaImage method is: 3555% 3556% MagickBooleanType MagickGammaImage(MagickWand *wand,const double gamma) 3557% 3558% A description of each parameter follows: 3559% 3560% o wand: the magick wand. 3561% 3562% o level: Define the level of gamma correction. 3563% 3564*/ 3565WandExport MagickBooleanType MagickGammaImage(MagickWand *wand, 3566 const double gamma) 3567{ 3568 MagickBooleanType 3569 status; 3570 3571 assert(wand != (MagickWand *) NULL); 3572 assert(wand->signature == MagickWandSignature); 3573 if (wand->debug != MagickFalse) 3574 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3575 if (wand->images == (Image *) NULL) 3576 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3577 status=GammaImage(wand->images,gamma,wand->exception); 3578 return(status); 3579} 3580 3581/* 3582%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3583% % 3584% % 3585% % 3586% M a g i c k G a u s s i a n B l u r I m a g e % 3587% % 3588% % 3589% % 3590%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3591% 3592% MagickGaussianBlurImage() blurs an image. We convolve the image with a 3593% Gaussian operator of the given radius and standard deviation (sigma). 3594% For reasonable results, the radius should be larger than sigma. Use a 3595% radius of 0 and MagickGaussianBlurImage() selects a suitable radius for you. 3596% 3597% The format of the MagickGaussianBlurImage method is: 3598% 3599% MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3600% const double radius,const double sigma) 3601% 3602% A description of each parameter follows: 3603% 3604% o wand: the magick wand. 3605% 3606% o radius: the radius of the Gaussian, in pixels, not counting the center 3607% pixel. 3608% 3609% o sigma: the standard deviation of the Gaussian, in pixels. 3610% 3611*/ 3612WandExport MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3613 const double radius,const double sigma) 3614{ 3615 Image 3616 *blur_image; 3617 3618 assert(wand != (MagickWand *) NULL); 3619 assert(wand->signature == MagickWandSignature); 3620 if (wand->debug != MagickFalse) 3621 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3622 if (wand->images == (Image *) NULL) 3623 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3624 blur_image=GaussianBlurImage(wand->images,radius,sigma,wand->exception); 3625 if (blur_image == (Image *) NULL) 3626 return(MagickFalse); 3627 ReplaceImageInList(&wand->images,blur_image); 3628 return(MagickTrue); 3629} 3630 3631/* 3632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3633% % 3634% % 3635% % 3636% M a g i c k G e t I m a g e % 3637% % 3638% % 3639% % 3640%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3641% 3642% MagickGetImage() gets the image at the current image index. 3643% 3644% The format of the MagickGetImage method is: 3645% 3646% MagickWand *MagickGetImage(MagickWand *wand) 3647% 3648% A description of each parameter follows: 3649% 3650% o wand: the magick wand. 3651% 3652*/ 3653WandExport MagickWand *MagickGetImage(MagickWand *wand) 3654{ 3655 Image 3656 *image; 3657 3658 assert(wand != (MagickWand *) NULL); 3659 assert(wand->signature == MagickWandSignature); 3660 if (wand->debug != MagickFalse) 3661 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3662 if (wand->images == (Image *) NULL) 3663 { 3664 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3665 "ContainsNoImages","`%s'",wand->name); 3666 return((MagickWand *) NULL); 3667 } 3668 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 3669 if (image == (Image *) NULL) 3670 return((MagickWand *) NULL); 3671 return(CloneMagickWandFromImages(wand,image)); 3672} 3673 3674/* 3675%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3676% % 3677% % 3678% % 3679% M a g i c k G e t I m a g e A l p h a C h a n n e l % 3680% % 3681% % 3682% % 3683%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3684% 3685% MagickGetImageAlphaChannel() returns MagickFalse if the image alpha channel 3686% is not activated. That is, the image is RGB rather than RGBA or CMYK rather 3687% than CMYKA. 3688% 3689% The format of the MagickGetImageAlphaChannel method is: 3690% 3691% MagickBooleanType MagickGetImageAlphaChannel(MagickWand *wand) 3692% 3693% A description of each parameter follows: 3694% 3695% o wand: the magick wand. 3696% 3697*/ 3698WandExport MagickBooleanType MagickGetImageAlphaChannel(MagickWand *wand) 3699{ 3700 assert(wand != (MagickWand *) NULL); 3701 assert(wand->signature == MagickWandSignature); 3702 if (wand->debug != MagickFalse) 3703 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3704 if (wand->images == (Image *) NULL) 3705 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3706 return(GetImageAlphaChannel(wand->images)); 3707} 3708 3709/* 3710%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3711% % 3712% % 3713% % 3714% M a g i c k G e t I m a g e A l p h a C o l o r % 3715% % 3716% % 3717% % 3718%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3719% 3720% MagickGetImageAlhpaColor() returns the image alpha color. 3721% 3722% The format of the MagickGetImageAlhpaColor method is: 3723% 3724% MagickBooleanType MagickGetImageAlhpaColor(MagickWand *wand, 3725% PixelWand *alpha_color) 3726% 3727% A description of each parameter follows: 3728% 3729% o wand: the magick wand. 3730% 3731% o alpha_color: return the alpha color. 3732% 3733*/ 3734WandExport MagickBooleanType MagickGetImageAlhpaColor(MagickWand *wand, 3735 PixelWand *alpha_color) 3736{ 3737 assert(wand != (MagickWand *)NULL); 3738 assert(wand->signature == MagickWandSignature); 3739 if (wand->debug != MagickFalse) 3740 (void) LogMagickEvent(WandEvent, GetMagickModule(), "%s", wand->name); 3741 if (wand->images == (Image *)NULL) 3742 ThrowWandException(WandError, "ContainsNoImages", wand->name); 3743 PixelSetPixelColor(alpha_color, &wand->images->alpha_color); 3744 return(MagickTrue); 3745} 3746 3747/* 3748%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3749% % 3750% % 3751% % 3752% M a g i c k G e t I m a g e C l i p M a s k % 3753% % 3754% % 3755% % 3756%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3757% 3758% MagickGetImageMask() gets the image clip mask at the current image index. 3759% 3760% The format of the MagickGetImageMask method is: 3761% 3762% MagickWand *MagickGetImageMask(MagickWand *wand) 3763% 3764% A description of each parameter follows: 3765% 3766% o wand: the magick wand. 3767% 3768% o type: type of mask, ReadPixelMask or WritePixelMask. 3769% 3770*/ 3771WandExport MagickWand *MagickGetImageMask(MagickWand *wand, 3772 const PixelMask type) 3773{ 3774 Image 3775 *image; 3776 3777 assert(wand != (MagickWand *) NULL); 3778 assert(wand->signature == MagickWandSignature); 3779 if (wand->debug != MagickFalse) 3780 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3781 if (wand->images == (Image *) NULL) 3782 { 3783 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3784 "ContainsNoImages","`%s'",wand->name); 3785 return((MagickWand *) NULL); 3786 } 3787 image=GetImageMask(wand->images,type,wand->exception); 3788 if (image == (Image *) NULL) 3789 return((MagickWand *) NULL); 3790 return(CloneMagickWandFromImages(wand,image)); 3791} 3792 3793/* 3794%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3795% % 3796% % 3797% % 3798% M a g i c k G e t I m a g e B a c k g r o u n d C o l o r % 3799% % 3800% % 3801% % 3802%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3803% 3804% MagickGetImageBackgroundColor() returns the image background color. 3805% 3806% The format of the MagickGetImageBackgroundColor method is: 3807% 3808% MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3809% PixelWand *background_color) 3810% 3811% A description of each parameter follows: 3812% 3813% o wand: the magick wand. 3814% 3815% o background_color: Return the background color. 3816% 3817*/ 3818WandExport MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3819 PixelWand *background_color) 3820{ 3821 assert(wand != (MagickWand *) NULL); 3822 assert(wand->signature == MagickWandSignature); 3823 if (wand->debug != MagickFalse) 3824 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3825 if (wand->images == (Image *) NULL) 3826 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3827 PixelSetPixelColor(background_color,&wand->images->background_color); 3828 return(MagickTrue); 3829} 3830 3831/* 3832%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3833% % 3834% % 3835% % 3836% M a g i c k G e t I m a g e B l o b % 3837% % 3838% % 3839% % 3840%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3841% 3842% MagickGetImageBlob() implements direct to memory image formats. It returns 3843% the image as a blob (a formatted "file" in memory) and its length, starting 3844% from the current position in the image sequence. Use MagickSetImageFormat() 3845% to set the format to write to the blob (GIF, JPEG, PNG, etc.). 3846% 3847% Utilize MagickResetIterator() to ensure the write is from the beginning of 3848% the image sequence. 3849% 3850% Use MagickRelinquishMemory() to free the blob when you are done with it. 3851% 3852% The format of the MagickGetImageBlob method is: 3853% 3854% unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3855% 3856% A description of each parameter follows: 3857% 3858% o wand: the magick wand. 3859% 3860% o length: the length of the blob. 3861% 3862*/ 3863WandExport unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3864{ 3865 unsigned char 3866 *blob; 3867 3868 assert(wand != (MagickWand *) NULL); 3869 assert(wand->signature == MagickWandSignature); 3870 if (wand->debug != MagickFalse) 3871 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3872 if (wand->images == (Image *) NULL) 3873 { 3874 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3875 "ContainsNoImages","`%s'",wand->name); 3876 return((unsigned char *) NULL); 3877 } 3878 blob=(unsigned char *) ImageToBlob(wand->image_info,wand->images,length, 3879 wand->exception); 3880 return(blob); 3881} 3882 3883/* 3884%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3885% % 3886% % 3887% % 3888% M a g i c k G e t I m a g e s B l o b % 3889% % 3890% % 3891% % 3892%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3893% 3894% MagickGetImageBlob() implements direct to memory image formats. It 3895% returns the image sequence as a blob and its length. The format of the image 3896% determines the format of the returned blob (GIF, JPEG, PNG, etc.). To 3897% return a different image format, use MagickSetImageFormat(). 3898% 3899% Note, some image formats do not permit multiple images to the same image 3900% stream (e.g. JPEG). in this instance, just the first image of the 3901% sequence is returned as a blob. 3902% 3903% The format of the MagickGetImagesBlob method is: 3904% 3905% unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3906% 3907% A description of each parameter follows: 3908% 3909% o wand: the magick wand. 3910% 3911% o length: the length of the blob. 3912% 3913*/ 3914WandExport unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3915{ 3916 unsigned char 3917 *blob; 3918 3919 assert(wand != (MagickWand *) NULL); 3920 assert(wand->signature == MagickWandSignature); 3921 if (wand->debug != MagickFalse) 3922 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3923 if (wand->images == (Image *) NULL) 3924 { 3925 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3926 "ContainsNoImages","`%s'",wand->name); 3927 return((unsigned char *) NULL); 3928 } 3929 blob=(unsigned char *) ImagesToBlob(wand->image_info,GetFirstImageInList( 3930 wand->images),length,wand->exception); 3931 return(blob); 3932} 3933 3934/* 3935%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3936% % 3937% % 3938% % 3939% M a g i c k G e t I m a g e B l u e P r i m a r y % 3940% % 3941% % 3942% % 3943%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3944% 3945% MagickGetImageBluePrimary() returns the chromaticy blue primary point for the 3946% image. 3947% 3948% The format of the MagickGetImageBluePrimary method is: 3949% 3950% MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand,double *x, 3951% double *y,double *z) 3952% 3953% A description of each parameter follows: 3954% 3955% o wand: the magick wand. 3956% 3957% o x: the chromaticity blue primary x-point. 3958% 3959% o y: the chromaticity blue primary y-point. 3960% 3961% o z: the chromaticity blue primary z-point. 3962% 3963*/ 3964WandExport MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand, 3965 double *x,double *y,double *z) 3966{ 3967 assert(wand != (MagickWand *) NULL); 3968 assert(wand->signature == MagickWandSignature); 3969 if (wand->debug != MagickFalse) 3970 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3971 if (wand->images == (Image *) NULL) 3972 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3973 *x=wand->images->chromaticity.blue_primary.x; 3974 *y=wand->images->chromaticity.blue_primary.y; 3975 *z=wand->images->chromaticity.blue_primary.z; 3976 return(MagickTrue); 3977} 3978 3979/* 3980%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3981% % 3982% % 3983% % 3984% M a g i c k G e t I m a g e B o r d e r C o l o r % 3985% % 3986% % 3987% % 3988%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3989% 3990% MagickGetImageBorderColor() returns the image border color. 3991% 3992% The format of the MagickGetImageBorderColor method is: 3993% 3994% MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3995% PixelWand *border_color) 3996% 3997% A description of each parameter follows: 3998% 3999% o wand: the magick wand. 4000% 4001% o border_color: Return the border color. 4002% 4003*/ 4004WandExport MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 4005 PixelWand *border_color) 4006{ 4007 assert(wand != (MagickWand *) NULL); 4008 assert(wand->signature == MagickWandSignature); 4009 if (wand->debug != MagickFalse) 4010 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4011 if (wand->images == (Image *) NULL) 4012 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4013 PixelSetPixelColor(border_color,&wand->images->border_color); 4014 return(MagickTrue); 4015} 4016 4017/* 4018%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4019% % 4020% % 4021% % 4022% M a g i c k G e t I m a g e F e a t u r e s % 4023% % 4024% % 4025% % 4026%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4027% 4028% MagickGetImageFeatures() returns features for each channel in the 4029% image in each of four directions (horizontal, vertical, left and right 4030% diagonals) for the specified distance. The features include the angular 4031% second moment, contrast, correlation, sum of squares: variance, inverse 4032% difference moment, sum average, sum varience, sum entropy, entropy, 4033% difference variance, difference entropy, information measures of 4034% correlation 1, information measures of correlation 2, and maximum 4035% correlation coefficient. You can access the red channel contrast, for 4036% example, like this: 4037% 4038% channel_features=MagickGetImageFeatures(wand,1); 4039% contrast=channel_features[RedPixelChannel].contrast[0]; 4040% 4041% Use MagickRelinquishMemory() to free the statistics buffer. 4042% 4043% The format of the MagickGetImageFeatures method is: 4044% 4045% ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 4046% const size_t distance) 4047% 4048% A description of each parameter follows: 4049% 4050% o wand: the magick wand. 4051% 4052% o distance: the distance. 4053% 4054*/ 4055WandExport ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 4056 const size_t distance) 4057{ 4058 assert(wand != (MagickWand *) NULL); 4059 assert(wand->signature == MagickWandSignature); 4060 if (wand->debug != MagickFalse) 4061 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4062 if (wand->images == (Image *) NULL) 4063 { 4064 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4065 "ContainsNoImages","`%s'",wand->name); 4066 return((ChannelFeatures *) NULL); 4067 } 4068 return(GetImageFeatures(wand->images,distance,wand->exception)); 4069} 4070 4071/* 4072%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4073% % 4074% % 4075% % 4076% M a g i c k G e t I m a g e K u r t o s i s % 4077% % 4078% % 4079% % 4080%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4081% 4082% MagickGetImageKurtosis() gets the kurtosis and skewness of one or 4083% more image channels. 4084% 4085% The format of the MagickGetImageKurtosis method is: 4086% 4087% MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 4088% double *kurtosis,double *skewness) 4089% 4090% A description of each parameter follows: 4091% 4092% o wand: the magick wand. 4093% 4094% o kurtosis: The kurtosis for the specified channel(s). 4095% 4096% o skewness: The skewness for the specified channel(s). 4097% 4098*/ 4099WandExport MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 4100 double *kurtosis,double *skewness) 4101{ 4102 MagickBooleanType 4103 status; 4104 4105 assert(wand != (MagickWand *) NULL); 4106 assert(wand->signature == MagickWandSignature); 4107 if (wand->debug != MagickFalse) 4108 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4109 if (wand->images == (Image *) NULL) 4110 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4111 status=GetImageKurtosis(wand->images,kurtosis,skewness,wand->exception); 4112 return(status); 4113} 4114 4115/* 4116%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4117% % 4118% % 4119% % 4120% M a g i c k G e t I m a g e M e a n % 4121% % 4122% % 4123% % 4124%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4125% 4126% MagickGetImageMean() gets the mean and standard deviation of one or more 4127% image channels. 4128% 4129% The format of the MagickGetImageMean method is: 4130% 4131% MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 4132% double *standard_deviation) 4133% 4134% A description of each parameter follows: 4135% 4136% o wand: the magick wand. 4137% 4138% o channel: the image channel(s). 4139% 4140% o mean: The mean pixel value for the specified channel(s). 4141% 4142% o standard_deviation: The standard deviation for the specified channel(s). 4143% 4144*/ 4145WandExport MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 4146 double *standard_deviation) 4147{ 4148 MagickBooleanType 4149 status; 4150 4151 assert(wand != (MagickWand *) NULL); 4152 assert(wand->signature == MagickWandSignature); 4153 if (wand->debug != MagickFalse) 4154 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4155 if (wand->images == (Image *) NULL) 4156 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4157 status=GetImageMean(wand->images,mean,standard_deviation,wand->exception); 4158 return(status); 4159} 4160 4161/* 4162%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4163% % 4164% % 4165% % 4166% M a g i c k G e t I m a g e R a n g e % 4167% % 4168% % 4169% % 4170%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4171% 4172% MagickGetImageRange() gets the range for one or more image channels. 4173% 4174% The format of the MagickGetImageRange method is: 4175% 4176% MagickBooleanType MagickGetImageRange(MagickWand *wand,double *minima, 4177% double *maxima) 4178% 4179% A description of each parameter follows: 4180% 4181% o wand: the magick wand. 4182% 4183% o minima: The minimum pixel value for the specified channel(s). 4184% 4185% o maxima: The maximum pixel value for the specified channel(s). 4186% 4187*/ 4188WandExport MagickBooleanType MagickGetImageRange(MagickWand *wand, 4189 double *minima,double *maxima) 4190{ 4191 MagickBooleanType 4192 status; 4193 4194 assert(wand != (MagickWand *) NULL); 4195 assert(wand->signature == MagickWandSignature); 4196 if (wand->debug != MagickFalse) 4197 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4198 if (wand->images == (Image *) NULL) 4199 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4200 status=GetImageRange(wand->images,minima,maxima,wand->exception); 4201 return(status); 4202} 4203 4204/* 4205%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4206% % 4207% % 4208% % 4209% M a g i c k G e t I m a g e S t a t i s t i c s % 4210% % 4211% % 4212% % 4213%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4214% 4215% MagickGetImageStatistics() returns statistics for each channel in the 4216% image. The statistics include the channel depth, its minima and 4217% maxima, the mean, the standard deviation, the kurtosis and the skewness. 4218% You can access the red channel mean, for example, like this: 4219% 4220% channel_statistics=MagickGetImageStatistics(wand); 4221% red_mean=channel_statistics[RedPixelChannel].mean; 4222% 4223% Use MagickRelinquishMemory() to free the statistics buffer. 4224% 4225% The format of the MagickGetImageStatistics method is: 4226% 4227% ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 4228% 4229% A description of each parameter follows: 4230% 4231% o wand: the magick wand. 4232% 4233*/ 4234WandExport ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 4235{ 4236 assert(wand != (MagickWand *) NULL); 4237 assert(wand->signature == MagickWandSignature); 4238 if (wand->debug != MagickFalse) 4239 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4240 if (wand->images == (Image *) NULL) 4241 { 4242 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4243 "ContainsNoImages","`%s'",wand->name); 4244 return((ChannelStatistics *) NULL); 4245 } 4246 return(GetImageStatistics(wand->images,wand->exception)); 4247} 4248 4249/* 4250%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4251% % 4252% % 4253% % 4254% M a g i c k G e t I m a g e C o l o r m a p C o l o r % 4255% % 4256% % 4257% % 4258%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4259% 4260% MagickGetImageColormapColor() returns the color of the specified colormap 4261% index. 4262% 4263% The format of the MagickGetImageColormapColor method is: 4264% 4265% MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 4266% const size_t index,PixelWand *color) 4267% 4268% A description of each parameter follows: 4269% 4270% o wand: the magick wand. 4271% 4272% o index: the offset into the image colormap. 4273% 4274% o color: Return the colormap color in this wand. 4275% 4276*/ 4277WandExport MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 4278 const size_t index,PixelWand *color) 4279{ 4280 assert(wand != (MagickWand *) NULL); 4281 assert(wand->signature == MagickWandSignature); 4282 if (wand->debug != MagickFalse) 4283 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4284 if (wand->images == (Image *) NULL) 4285 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4286 if ((wand->images->colormap == (PixelInfo *) NULL) || 4287 (index >= wand->images->colors)) 4288 { 4289 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4290 "InvalidColormapIndex","`%s'",wand->name); 4291 return(MagickFalse); 4292 } 4293 PixelSetPixelColor(color,wand->images->colormap+index); 4294 return(MagickTrue); 4295} 4296 4297/* 4298%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4299% % 4300% % 4301% % 4302% M a g i c k G e t I m a g e C o l o r s % 4303% % 4304% % 4305% % 4306%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4307% 4308% MagickGetImageColors() gets the number of unique colors in the image. 4309% 4310% The format of the MagickGetImageColors method is: 4311% 4312% size_t MagickGetImageColors(MagickWand *wand) 4313% 4314% A description of each parameter follows: 4315% 4316% o wand: the magick wand. 4317% 4318*/ 4319WandExport size_t MagickGetImageColors(MagickWand *wand) 4320{ 4321 assert(wand != (MagickWand *) NULL); 4322 assert(wand->signature == MagickWandSignature); 4323 if (wand->debug != MagickFalse) 4324 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4325 if (wand->images == (Image *) NULL) 4326 { 4327 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4328 "ContainsNoImages","`%s'",wand->name); 4329 return(0); 4330 } 4331 return(GetNumberColors(wand->images,(FILE *) NULL,wand->exception)); 4332} 4333 4334/* 4335%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4336% % 4337% % 4338% % 4339% M a g i c k G e t I m a g e C o l o r s p a c e % 4340% % 4341% % 4342% % 4343%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4344% 4345% MagickGetImageColorspace() gets the image colorspace. 4346% 4347% The format of the MagickGetImageColorspace method is: 4348% 4349% ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4350% 4351% A description of each parameter follows: 4352% 4353% o wand: the magick wand. 4354% 4355*/ 4356WandExport ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4357{ 4358 assert(wand != (MagickWand *) NULL); 4359 assert(wand->signature == MagickWandSignature); 4360 if (wand->debug != MagickFalse) 4361 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4362 if (wand->images == (Image *) NULL) 4363 { 4364 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4365 "ContainsNoImages","`%s'",wand->name); 4366 return(UndefinedColorspace); 4367 } 4368 return(wand->images->colorspace); 4369} 4370 4371/* 4372%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4373% % 4374% % 4375% % 4376% M a g i c k G e t I m a g e C o m p o s e % 4377% % 4378% % 4379% % 4380%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4381% 4382% MagickGetImageCompose() returns the composite operator associated with the 4383% image. 4384% 4385% The format of the MagickGetImageCompose method is: 4386% 4387% CompositeOperator MagickGetImageCompose(MagickWand *wand) 4388% 4389% A description of each parameter follows: 4390% 4391% o wand: the magick wand. 4392% 4393*/ 4394WandExport CompositeOperator MagickGetImageCompose(MagickWand *wand) 4395{ 4396 assert(wand != (MagickWand *) NULL); 4397 assert(wand->signature == MagickWandSignature); 4398 if (wand->debug != MagickFalse) 4399 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4400 if (wand->images == (Image *) NULL) 4401 { 4402 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4403 "ContainsNoImages","`%s'",wand->name); 4404 return(UndefinedCompositeOp); 4405 } 4406 return(wand->images->compose); 4407} 4408 4409/* 4410%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4411% % 4412% % 4413% % 4414% M a g i c k G e t I m a g e C o m p r e s s i o n % 4415% % 4416% % 4417% % 4418%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4419% 4420% MagickGetImageCompression() gets the image compression. 4421% 4422% The format of the MagickGetImageCompression method is: 4423% 4424% CompressionType MagickGetImageCompression(MagickWand *wand) 4425% 4426% A description of each parameter follows: 4427% 4428% o wand: the magick wand. 4429% 4430*/ 4431WandExport CompressionType MagickGetImageCompression(MagickWand *wand) 4432{ 4433 assert(wand != (MagickWand *) NULL); 4434 assert(wand->signature == MagickWandSignature); 4435 if (wand->debug != MagickFalse) 4436 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4437 if (wand->images == (Image *) NULL) 4438 { 4439 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4440 "ContainsNoImages","`%s'",wand->name); 4441 return(UndefinedCompression); 4442 } 4443 return(wand->images->compression); 4444} 4445 4446/* 4447%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4448% % 4449% % 4450% % 4451% M a g i c k G e t I m a g e C o m p r e s s i o n Q u a l i t y % 4452% % 4453% % 4454% % 4455%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4456% 4457% MagickGetImageCompressionQuality() gets the image compression quality. 4458% 4459% The format of the MagickGetImageCompressionQuality method is: 4460% 4461% size_t MagickGetImageCompressionQuality(MagickWand *wand) 4462% 4463% A description of each parameter follows: 4464% 4465% o wand: the magick wand. 4466% 4467*/ 4468WandExport size_t MagickGetImageCompressionQuality(MagickWand *wand) 4469{ 4470 assert(wand != (MagickWand *) NULL); 4471 assert(wand->signature == MagickWandSignature); 4472 if (wand->debug != MagickFalse) 4473 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4474 if (wand->images == (Image *) NULL) 4475 { 4476 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4477 "ContainsNoImages","`%s'",wand->name); 4478 return(0UL); 4479 } 4480 return(wand->images->quality); 4481} 4482 4483/* 4484%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4485% % 4486% % 4487% % 4488% M a g i c k G e t I m a g e D e l a y % 4489% % 4490% % 4491% % 4492%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4493% 4494% MagickGetImageDelay() gets the image delay. 4495% 4496% The format of the MagickGetImageDelay method is: 4497% 4498% size_t MagickGetImageDelay(MagickWand *wand) 4499% 4500% A description of each parameter follows: 4501% 4502% o wand: the magick wand. 4503% 4504*/ 4505WandExport size_t MagickGetImageDelay(MagickWand *wand) 4506{ 4507 assert(wand != (MagickWand *) NULL); 4508 assert(wand->signature == MagickWandSignature); 4509 if (wand->debug != MagickFalse) 4510 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4511 if (wand->images == (Image *) NULL) 4512 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4513 return(wand->images->delay); 4514} 4515 4516/* 4517%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4518% % 4519% % 4520% % 4521% M a g i c k G e t I m a g e D e p t h % 4522% % 4523% % 4524% % 4525%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4526% 4527% MagickGetImageDepth() gets the image depth. 4528% 4529% The format of the MagickGetImageDepth method is: 4530% 4531% size_t MagickGetImageDepth(MagickWand *wand) 4532% 4533% A description of each parameter follows: 4534% 4535% o wand: the magick wand. 4536% 4537*/ 4538WandExport size_t MagickGetImageDepth(MagickWand *wand) 4539{ 4540 assert(wand != (MagickWand *) NULL); 4541 assert(wand->signature == MagickWandSignature); 4542 if (wand->debug != MagickFalse) 4543 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4544 if (wand->images == (Image *) NULL) 4545 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4546 return(wand->images->depth); 4547} 4548 4549/* 4550%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4551% % 4552% % 4553% % 4554% M a g i c k G e t I m a g e D i s p o s e % 4555% % 4556% % 4557% % 4558%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4559% 4560% MagickGetImageDispose() gets the image disposal method. 4561% 4562% The format of the MagickGetImageDispose method is: 4563% 4564% DisposeType MagickGetImageDispose(MagickWand *wand) 4565% 4566% A description of each parameter follows: 4567% 4568% o wand: the magick wand. 4569% 4570*/ 4571WandExport DisposeType MagickGetImageDispose(MagickWand *wand) 4572{ 4573 assert(wand != (MagickWand *) NULL); 4574 assert(wand->signature == MagickWandSignature); 4575 if (wand->debug != MagickFalse) 4576 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4577 if (wand->images == (Image *) NULL) 4578 { 4579 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4580 "ContainsNoImages","`%s'",wand->name); 4581 return(UndefinedDispose); 4582 } 4583 return((DisposeType) wand->images->dispose); 4584} 4585 4586/* 4587%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4588% % 4589% % 4590% % 4591% M a g i c k G e t I m a g e D i s t o r t i o n % 4592% % 4593% % 4594% % 4595%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4596% 4597% MagickGetImageDistortion() compares an image to a reconstructed image and 4598% returns the specified distortion metric. 4599% 4600% The format of the MagickGetImageDistortion method is: 4601% 4602% MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4603% const MagickWand *reference,const MetricType metric, 4604% double *distortion) 4605% 4606% A description of each parameter follows: 4607% 4608% o wand: the magick wand. 4609% 4610% o reference: the reference wand. 4611% 4612% o metric: the metric. 4613% 4614% o distortion: the computed distortion between the images. 4615% 4616*/ 4617WandExport MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4618 const MagickWand *reference,const MetricType metric,double *distortion) 4619{ 4620 MagickBooleanType 4621 status; 4622 4623 assert(wand != (MagickWand *) NULL); 4624 assert(wand->signature == MagickWandSignature); 4625 if (wand->debug != MagickFalse) 4626 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4627 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4628 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4629 status=GetImageDistortion(wand->images,reference->images,metric,distortion, 4630 wand->exception); 4631 return(status); 4632} 4633 4634/* 4635%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4636% % 4637% % 4638% % 4639% M a g i c k G e t I m a g e D i s t o r t i o n s % 4640% % 4641% % 4642% % 4643%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4644% 4645% MagickGetImageDistortions() compares one or more pixel channels of an 4646% image to a reconstructed image and returns the specified distortion metrics. 4647% 4648% Use MagickRelinquishMemory() to free the metrics when you are done with them. 4649% 4650% The format of the MagickGetImageDistortion method is: 4651% 4652% double *MagickGetImageDistortion(MagickWand *wand, 4653% const MagickWand *reference,const MetricType metric) 4654% 4655% A description of each parameter follows: 4656% 4657% o wand: the magick wand. 4658% 4659% o reference: the reference wand. 4660% 4661% o metric: the metric. 4662% 4663*/ 4664WandExport double *MagickGetImageDistortions(MagickWand *wand, 4665 const MagickWand *reference,const MetricType metric) 4666{ 4667 double 4668 *channel_distortion; 4669 4670 assert(wand != (MagickWand *) NULL); 4671 assert(wand->signature == MagickWandSignature); 4672 if (wand->debug != MagickFalse) 4673 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4674 assert(reference != (MagickWand *) NULL); 4675 assert(reference->signature == MagickWandSignature); 4676 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4677 { 4678 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4679 "ContainsNoImages","`%s'",wand->name); 4680 return((double *) NULL); 4681 } 4682 channel_distortion=GetImageDistortions(wand->images,reference->images, 4683 metric,wand->exception); 4684 return(channel_distortion); 4685} 4686 4687/* 4688%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4689% % 4690% % 4691% % 4692% M a g i c k G e t I m a g e E n d i a n % 4693% % 4694% % 4695% % 4696%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4697% 4698% MagickGetImageEndian() gets the image endian. 4699% 4700% The format of the MagickGetImageEndian method is: 4701% 4702% EndianType MagickGetImageEndian(MagickWand *wand) 4703% 4704% A description of each parameter follows: 4705% 4706% o wand: the magick wand. 4707% 4708*/ 4709WandExport EndianType MagickGetImageEndian(MagickWand *wand) 4710{ 4711 assert(wand != (MagickWand *) NULL); 4712 assert(wand->signature == MagickWandSignature); 4713 if (wand->debug != MagickFalse) 4714 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4715 if (wand->images == (Image *) NULL) 4716 { 4717 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4718 "ContainsNoImages","`%s'",wand->name); 4719 return(UndefinedEndian); 4720 } 4721 return(wand->images->endian); 4722} 4723 4724/* 4725%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4726% % 4727% % 4728% % 4729% M a g i c k G e t I m a g e F i l e n a m e % 4730% % 4731% % 4732% % 4733%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4734% 4735% MagickGetImageFilename() returns the filename of a particular image in a 4736% sequence. 4737% 4738% The format of the MagickGetImageFilename method is: 4739% 4740% char *MagickGetImageFilename(MagickWand *wand) 4741% 4742% A description of each parameter follows: 4743% 4744% o wand: the magick wand. 4745% 4746*/ 4747WandExport char *MagickGetImageFilename(MagickWand *wand) 4748{ 4749 assert(wand != (MagickWand *) NULL); 4750 assert(wand->signature == MagickWandSignature); 4751 if (wand->debug != MagickFalse) 4752 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4753 if (wand->images == (Image *) NULL) 4754 { 4755 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4756 "ContainsNoImages","`%s'",wand->name); 4757 return((char *) NULL); 4758 } 4759 return(AcquireString(wand->images->filename)); 4760} 4761 4762/* 4763%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4764% % 4765% % 4766% % 4767% M a g i c k G e t I m a g e F o r m a t % 4768% % 4769% % 4770% % 4771%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4772% 4773% MagickGetImageFormat() returns the format of a particular image in a 4774% sequence. 4775% 4776% The format of the MagickGetImageFormat method is: 4777% 4778% char *MagickGetImageFormat(MagickWand *wand) 4779% 4780% A description of each parameter follows: 4781% 4782% o wand: the magick wand. 4783% 4784*/ 4785WandExport char *MagickGetImageFormat(MagickWand *wand) 4786{ 4787 assert(wand != (MagickWand *) NULL); 4788 assert(wand->signature == MagickWandSignature); 4789 if (wand->debug != MagickFalse) 4790 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4791 if (wand->images == (Image *) NULL) 4792 { 4793 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4794 "ContainsNoImages","`%s'",wand->name); 4795 return((char *) NULL); 4796 } 4797 return(AcquireString(wand->images->magick)); 4798} 4799 4800/* 4801%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4802% % 4803% % 4804% % 4805% M a g i c k G e t I m a g e F u z z % 4806% % 4807% % 4808% % 4809%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4810% 4811% MagickGetImageFuzz() gets the image fuzz. 4812% 4813% The format of the MagickGetImageFuzz method is: 4814% 4815% double MagickGetImageFuzz(MagickWand *wand) 4816% 4817% A description of each parameter follows: 4818% 4819% o wand: the magick wand. 4820% 4821*/ 4822WandExport double MagickGetImageFuzz(MagickWand *wand) 4823{ 4824 assert(wand != (MagickWand *) NULL); 4825 assert(wand->signature == MagickWandSignature); 4826 if (wand->debug != MagickFalse) 4827 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4828 if (wand->images == (Image *) NULL) 4829 { 4830 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4831 "ContainsNoImages","`%s'",wand->name); 4832 return(0.0); 4833 } 4834 return(wand->images->fuzz); 4835} 4836 4837/* 4838%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4839% % 4840% % 4841% % 4842% M a g i c k G e t I m a g e G a m m a % 4843% % 4844% % 4845% % 4846%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4847% 4848% MagickGetImageGamma() gets the image gamma. 4849% 4850% The format of the MagickGetImageGamma method is: 4851% 4852% double MagickGetImageGamma(MagickWand *wand) 4853% 4854% A description of each parameter follows: 4855% 4856% o wand: the magick wand. 4857% 4858*/ 4859WandExport double MagickGetImageGamma(MagickWand *wand) 4860{ 4861 assert(wand != (MagickWand *) NULL); 4862 assert(wand->signature == MagickWandSignature); 4863 if (wand->debug != MagickFalse) 4864 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4865 if (wand->images == (Image *) NULL) 4866 { 4867 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4868 "ContainsNoImages","`%s'",wand->name); 4869 return(0.0); 4870 } 4871 return(wand->images->gamma); 4872} 4873 4874/* 4875%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4876% % 4877% % 4878% % 4879% M a g i c k G e t I m a g e G r a v i t y % 4880% % 4881% % 4882% % 4883%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4884% 4885% MagickGetImageGravity() gets the image gravity. 4886% 4887% The format of the MagickGetImageGravity method is: 4888% 4889% GravityType MagickGetImageGravity(MagickWand *wand) 4890% 4891% A description of each parameter follows: 4892% 4893% o wand: the magick wand. 4894% 4895*/ 4896WandExport GravityType MagickGetImageGravity(MagickWand *wand) 4897{ 4898 assert(wand != (MagickWand *) NULL); 4899 assert(wand->signature == MagickWandSignature); 4900 if (wand->debug != MagickFalse) 4901 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4902 if (wand->images == (Image *) NULL) 4903 { 4904 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4905 "ContainsNoImages","`%s'",wand->name); 4906 return(UndefinedGravity); 4907 } 4908 return(wand->images->gravity); 4909} 4910 4911/* 4912%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4913% % 4914% % 4915% % 4916% M a g i c k G e t I m a g e G r e e n P r i m a r y % 4917% % 4918% % 4919% % 4920%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4921% 4922% MagickGetImageGreenPrimary() returns the chromaticy green primary point. 4923% 4924% The format of the MagickGetImageGreenPrimary method is: 4925% 4926% MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand,double *x, 4927% double *y,double *z) 4928% 4929% A description of each parameter follows: 4930% 4931% o wand: the magick wand. 4932% 4933% o x: the chromaticity green primary x-point. 4934% 4935% o y: the chromaticity green primary y-point. 4936% 4937% o z: the chromaticity green primary z-point. 4938% 4939*/ 4940WandExport MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand, 4941 double *x,double *y,double *z) 4942{ 4943 assert(wand != (MagickWand *) NULL); 4944 assert(wand->signature == MagickWandSignature); 4945 if (wand->debug != MagickFalse) 4946 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4947 if (wand->images == (Image *) NULL) 4948 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4949 *x=wand->images->chromaticity.green_primary.x; 4950 *y=wand->images->chromaticity.green_primary.y; 4951 *z=wand->images->chromaticity.green_primary.z; 4952 return(MagickTrue); 4953} 4954 4955/* 4956%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4957% % 4958% % 4959% % 4960% M a g i c k G e t I m a g e H e i g h t % 4961% % 4962% % 4963% % 4964%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4965% 4966% MagickGetImageHeight() returns the image height. 4967% 4968% The format of the MagickGetImageHeight method is: 4969% 4970% size_t MagickGetImageHeight(MagickWand *wand) 4971% 4972% A description of each parameter follows: 4973% 4974% o wand: the magick wand. 4975% 4976*/ 4977WandExport size_t MagickGetImageHeight(MagickWand *wand) 4978{ 4979 assert(wand != (MagickWand *) NULL); 4980 assert(wand->signature == MagickWandSignature); 4981 if (wand->debug != MagickFalse) 4982 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4983 if (wand->images == (Image *) NULL) 4984 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4985 return(wand->images->rows); 4986} 4987 4988/* 4989%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4990% % 4991% % 4992% % 4993% M a g i c k G e t I m a g e H i s t o g r a m % 4994% % 4995% % 4996% % 4997%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4998% 4999% MagickGetImageHistogram() returns the image histogram as an array of 5000% PixelWand wands. 5001% 5002% The format of the MagickGetImageHistogram method is: 5003% 5004% PixelWand **MagickGetImageHistogram(MagickWand *wand, 5005% size_t *number_colors) 5006% 5007% A description of each parameter follows: 5008% 5009% o wand: the magick wand. 5010% 5011% o number_colors: the number of unique colors in the image and the number 5012% of pixel wands returned. 5013% 5014*/ 5015WandExport PixelWand **MagickGetImageHistogram(MagickWand *wand, 5016 size_t *number_colors) 5017{ 5018 PixelInfo 5019 *histogram; 5020 5021 PixelWand 5022 **pixel_wands; 5023 5024 register ssize_t 5025 i; 5026 5027 assert(wand != (MagickWand *) NULL); 5028 assert(wand->signature == MagickWandSignature); 5029 if (wand->debug != MagickFalse) 5030 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5031 if (wand->images == (Image *) NULL) 5032 { 5033 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5034 "ContainsNoImages","`%s'",wand->name); 5035 return((PixelWand **) NULL); 5036 } 5037 histogram=GetImageHistogram(wand->images,number_colors,wand->exception); 5038 if (histogram == (PixelInfo *) NULL) 5039 return((PixelWand **) NULL); 5040 pixel_wands=NewPixelWands(*number_colors); 5041 for (i=0; i < (ssize_t) *number_colors; i++) 5042 { 5043 PixelSetPixelColor(pixel_wands[i],&histogram[i]); 5044 PixelSetColorCount(pixel_wands[i],(size_t) histogram[i].count); 5045 } 5046 histogram=(PixelInfo *) RelinquishMagickMemory(histogram); 5047 return(pixel_wands); 5048} 5049 5050/* 5051%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5052% % 5053% % 5054% % 5055% M a g i c k G e t I m a g e I n t e r l a c e S c h e m e % 5056% % 5057% % 5058% % 5059%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5060% 5061% MagickGetImageInterlaceScheme() gets the image interlace scheme. 5062% 5063% The format of the MagickGetImageInterlaceScheme method is: 5064% 5065% InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 5066% 5067% A description of each parameter follows: 5068% 5069% o wand: the magick wand. 5070% 5071*/ 5072WandExport InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 5073{ 5074 assert(wand != (MagickWand *) NULL); 5075 assert(wand->signature == MagickWandSignature); 5076 if (wand->debug != MagickFalse) 5077 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5078 if (wand->images == (Image *) NULL) 5079 { 5080 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5081 "ContainsNoImages","`%s'",wand->name); 5082 return(UndefinedInterlace); 5083 } 5084 return(wand->images->interlace); 5085} 5086 5087/* 5088%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5089% % 5090% % 5091% % 5092% M a g i c k G e t I m a g e I n t e r p o l a t e M e t h o d % 5093% % 5094% % 5095% % 5096%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5097% 5098% MagickGetImageInterpolateMethod() returns the interpolation method for the 5099% sepcified image. 5100% 5101% The format of the MagickGetImageInterpolateMethod method is: 5102% 5103% PixelInterpolateMethod MagickGetImageInterpolateMethod(MagickWand *wand) 5104% 5105% A description of each parameter follows: 5106% 5107% o wand: the magick wand. 5108% 5109*/ 5110WandExport PixelInterpolateMethod MagickGetImageInterpolateMethod( 5111 MagickWand *wand) 5112{ 5113 assert(wand != (MagickWand *) NULL); 5114 assert(wand->signature == MagickWandSignature); 5115 if (wand->debug != MagickFalse) 5116 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5117 if (wand->images == (Image *) NULL) 5118 { 5119 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5120 "ContainsNoImages","`%s'",wand->name); 5121 return(UndefinedInterpolatePixel); 5122 } 5123 return(wand->images->interpolate); 5124} 5125 5126/* 5127%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5128% % 5129% % 5130% % 5131% M a g i c k G e t I m a g e I t e r a t i o n s % 5132% % 5133% % 5134% % 5135%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5136% 5137% MagickGetImageIterations() gets the image iterations. 5138% 5139% The format of the MagickGetImageIterations method is: 5140% 5141% size_t MagickGetImageIterations(MagickWand *wand) 5142% 5143% A description of each parameter follows: 5144% 5145% o wand: the magick wand. 5146% 5147*/ 5148WandExport size_t MagickGetImageIterations(MagickWand *wand) 5149{ 5150 assert(wand != (MagickWand *) NULL); 5151 assert(wand->signature == MagickWandSignature); 5152 if (wand->debug != MagickFalse) 5153 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5154 if (wand->images == (Image *) NULL) 5155 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5156 return(wand->images->iterations); 5157} 5158 5159/* 5160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5161% % 5162% % 5163% % 5164% M a g i c k G e t I m a g e L e n g t h % 5165% % 5166% % 5167% % 5168%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5169% 5170% MagickGetImageLength() returns the image length in bytes. 5171% 5172% The format of the MagickGetImageLength method is: 5173% 5174% MagickBooleanType MagickGetImageLength(MagickWand *wand, 5175% MagickSizeType *length) 5176% 5177% A description of each parameter follows: 5178% 5179% o wand: the magick wand. 5180% 5181% o length: the image length in bytes. 5182% 5183*/ 5184WandExport MagickBooleanType MagickGetImageLength(MagickWand *wand, 5185 MagickSizeType *length) 5186{ 5187 assert(wand != (MagickWand *) NULL); 5188 assert(wand->signature == MagickWandSignature); 5189 if (wand->debug != MagickFalse) 5190 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5191 if (wand->images == (Image *) NULL) 5192 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5193 *length=GetBlobSize(wand->images); 5194 return(MagickTrue); 5195} 5196 5197/* 5198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5199% % 5200% % 5201% % 5202% M a g i c k G e t I m a g e O r i e n t a t i o n % 5203% % 5204% % 5205% % 5206%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5207% 5208% MagickGetImageOrientation() returns the image orientation. 5209% 5210% The format of the MagickGetImageOrientation method is: 5211% 5212% OrientationType MagickGetImageOrientation(MagickWand *wand) 5213% 5214% A description of each parameter follows: 5215% 5216% o wand: the magick wand. 5217% 5218*/ 5219WandExport OrientationType MagickGetImageOrientation(MagickWand *wand) 5220{ 5221 assert(wand != (MagickWand *) NULL); 5222 assert(wand->signature == MagickWandSignature); 5223 if (wand->debug != MagickFalse) 5224 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5225 if (wand->images == (Image *) NULL) 5226 { 5227 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5228 "ContainsNoImages","`%s'",wand->name); 5229 return(UndefinedOrientation); 5230 } 5231 return(wand->images->orientation); 5232} 5233 5234/* 5235%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5236% % 5237% % 5238% % 5239% M a g i c k G e t I m a g e P a g e % 5240% % 5241% % 5242% % 5243%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5244% 5245% MagickGetImagePage() returns the page geometry associated with the image. 5246% 5247% The format of the MagickGetImagePage method is: 5248% 5249% MagickBooleanType MagickGetImagePage(MagickWand *wand, 5250% size_t *width,size_t *height,ssize_t *x,ssize_t *y) 5251% 5252% A description of each parameter follows: 5253% 5254% o wand: the magick wand. 5255% 5256% o width: the page width. 5257% 5258% o height: the page height. 5259% 5260% o x: the page x-offset. 5261% 5262% o y: the page y-offset. 5263% 5264*/ 5265WandExport MagickBooleanType MagickGetImagePage(MagickWand *wand, 5266 size_t *width,size_t *height,ssize_t *x,ssize_t *y) 5267{ 5268 assert(wand != (const MagickWand *) NULL); 5269 assert(wand->signature == MagickWandSignature); 5270 if (wand->debug != MagickFalse) 5271 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5272 if (wand->images == (Image *) NULL) 5273 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5274 *width=wand->images->page.width; 5275 *height=wand->images->page.height; 5276 *x=wand->images->page.x; 5277 *y=wand->images->page.y; 5278 return(MagickTrue); 5279} 5280 5281/* 5282%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5283% % 5284% % 5285% % 5286% M a g i c k G e t I m a g e P i x e l C o l o r % 5287% % 5288% % 5289% % 5290%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5291% 5292% MagickGetImagePixelColor() returns the color of the specified pixel. 5293% 5294% The format of the MagickGetImagePixelColor method is: 5295% 5296% MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5297% const ssize_t x,const ssize_t y,PixelWand *color) 5298% 5299% A description of each parameter follows: 5300% 5301% o wand: the magick wand. 5302% 5303% o x,y: the pixel offset into the image. 5304% 5305% o color: Return the colormap color in this wand. 5306% 5307*/ 5308WandExport MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5309 const ssize_t x,const ssize_t y,PixelWand *color) 5310{ 5311 register const Quantum 5312 *p; 5313 5314 CacheView 5315 *image_view; 5316 5317 assert(wand != (MagickWand *) NULL); 5318 assert(wand->signature == MagickWandSignature); 5319 if (wand->debug != MagickFalse) 5320 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5321 if (wand->images == (Image *) NULL) 5322 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5323 image_view=AcquireVirtualCacheView(wand->images,wand->exception); 5324 p=GetCacheViewVirtualPixels(image_view,x,y,1,1,wand->exception); 5325 if (p == (const Quantum *) NULL) 5326 { 5327 image_view=DestroyCacheView(image_view); 5328 return(MagickFalse); 5329 } 5330 PixelSetQuantumPixel(wand->images,p,color); 5331 image_view=DestroyCacheView(image_view); 5332 return(MagickTrue); 5333} 5334 5335/* 5336%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5337% % 5338% % 5339% % 5340% M a g i c k G e t I m a g e R e d P r i m a r y % 5341% % 5342% % 5343% % 5344%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5345% 5346% MagickGetImageRedPrimary() returns the chromaticy red primary point. 5347% 5348% The format of the MagickGetImageRedPrimary method is: 5349% 5350% MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand,double *x, 5351% double *y, double *z) 5352% 5353% A description of each parameter follows: 5354% 5355% o wand: the magick wand. 5356% 5357% o x: the chromaticity red primary x-point. 5358% 5359% o y: the chromaticity red primary y-point. 5360% 5361% o z: the chromaticity red primary z-point. 5362% 5363*/ 5364WandExport MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand, 5365 double *x,double *y,double *z) 5366{ 5367 assert(wand != (MagickWand *) NULL); 5368 assert(wand->signature == MagickWandSignature); 5369 if (wand->debug != MagickFalse) 5370 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5371 if (wand->images == (Image *) NULL) 5372 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5373 *x=wand->images->chromaticity.red_primary.x; 5374 *y=wand->images->chromaticity.red_primary.y; 5375 *z=wand->images->chromaticity.red_primary.z; 5376 return(MagickTrue); 5377} 5378 5379/* 5380%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5381% % 5382% % 5383% % 5384% M a g i c k G e t I m a g e R e g i o n % 5385% % 5386% % 5387% % 5388%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5389% 5390% MagickGetImageRegion() extracts a region of the image and returns it as a 5391% a new wand. 5392% 5393% The format of the MagickGetImageRegion method is: 5394% 5395% MagickWand *MagickGetImageRegion(MagickWand *wand, 5396% const size_t width,const size_t height,const ssize_t x, 5397% const ssize_t y) 5398% 5399% A description of each parameter follows: 5400% 5401% o wand: the magick wand. 5402% 5403% o width: the region width. 5404% 5405% o height: the region height. 5406% 5407% o x: the region x offset. 5408% 5409% o y: the region y offset. 5410% 5411*/ 5412WandExport MagickWand *MagickGetImageRegion(MagickWand *wand, 5413 const size_t width,const size_t height,const ssize_t x, 5414 const ssize_t y) 5415{ 5416 Image 5417 *region_image; 5418 5419 RectangleInfo 5420 region; 5421 5422 assert(wand != (MagickWand *) NULL); 5423 assert(wand->signature == MagickWandSignature); 5424 if (wand->debug != MagickFalse) 5425 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5426 if (wand->images == (Image *) NULL) 5427 return((MagickWand *) NULL); 5428 region.width=width; 5429 region.height=height; 5430 region.x=x; 5431 region.y=y; 5432 region_image=CropImage(wand->images,®ion,wand->exception); 5433 if (region_image == (Image *) NULL) 5434 return((MagickWand *) NULL); 5435 return(CloneMagickWandFromImages(wand,region_image)); 5436} 5437 5438/* 5439%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5440% % 5441% % 5442% % 5443% M a g i c k G e t I m a g e R e n d e r i n g I n t e n t % 5444% % 5445% % 5446% % 5447%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5448% 5449% MagickGetImageRenderingIntent() gets the image rendering intent. 5450% 5451% The format of the MagickGetImageRenderingIntent method is: 5452% 5453% RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5454% 5455% A description of each parameter follows: 5456% 5457% o wand: the magick wand. 5458% 5459*/ 5460WandExport RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5461{ 5462 assert(wand != (MagickWand *) NULL); 5463 assert(wand->signature == MagickWandSignature); 5464 if (wand->debug != MagickFalse) 5465 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5466 if (wand->images == (Image *) NULL) 5467 { 5468 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5469 "ContainsNoImages","`%s'",wand->name); 5470 return(UndefinedIntent); 5471 } 5472 return((RenderingIntent) wand->images->rendering_intent); 5473} 5474 5475/* 5476%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5477% % 5478% % 5479% % 5480% M a g i c k G e t I m a g e R e s o l u t i o n % 5481% % 5482% % 5483% % 5484%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5485% 5486% MagickGetImageResolution() gets the image X and Y resolution. 5487% 5488% The format of the MagickGetImageResolution method is: 5489% 5490% MagickBooleanType MagickGetImageResolution(MagickWand *wand,double *x, 5491% double *y) 5492% 5493% A description of each parameter follows: 5494% 5495% o wand: the magick wand. 5496% 5497% o x: the image x-resolution. 5498% 5499% o y: the image y-resolution. 5500% 5501*/ 5502WandExport MagickBooleanType MagickGetImageResolution(MagickWand *wand, 5503 double *x,double *y) 5504{ 5505 assert(wand != (MagickWand *) NULL); 5506 assert(wand->signature == MagickWandSignature); 5507 if (wand->debug != MagickFalse) 5508 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5509 if (wand->images == (Image *) NULL) 5510 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5511 *x=wand->images->resolution.x; 5512 *y=wand->images->resolution.y; 5513 return(MagickTrue); 5514} 5515 5516/* 5517%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5518% % 5519% % 5520% % 5521% M a g i c k G e t I m a g e S c e n e % 5522% % 5523% % 5524% % 5525%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5526% 5527% MagickGetImageScene() gets the image scene. 5528% 5529% The format of the MagickGetImageScene method is: 5530% 5531% size_t MagickGetImageScene(MagickWand *wand) 5532% 5533% A description of each parameter follows: 5534% 5535% o wand: the magick wand. 5536% 5537*/ 5538WandExport size_t MagickGetImageScene(MagickWand *wand) 5539{ 5540 assert(wand != (MagickWand *) NULL); 5541 assert(wand->signature == MagickWandSignature); 5542 if (wand->debug != MagickFalse) 5543 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5544 if (wand->images == (Image *) NULL) 5545 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5546 return(wand->images->scene); 5547} 5548 5549/* 5550%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5551% % 5552% % 5553% % 5554% M a g i c k G e t I m a g e S i g n a t u r e % 5555% % 5556% % 5557% % 5558%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5559% 5560% MagickGetImageSignature() generates an SHA-256 message digest for the image 5561% pixel stream. 5562% 5563% The format of the MagickGetImageSignature method is: 5564% 5565% char *MagickGetImageSignature(MagickWand *wand) 5566% 5567% A description of each parameter follows: 5568% 5569% o wand: the magick wand. 5570% 5571*/ 5572WandExport char *MagickGetImageSignature(MagickWand *wand) 5573{ 5574 const char 5575 *value; 5576 5577 MagickBooleanType 5578 status; 5579 5580 assert(wand != (MagickWand *) NULL); 5581 assert(wand->signature == MagickWandSignature); 5582 if (wand->debug != MagickFalse) 5583 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5584 if (wand->images == (Image *) NULL) 5585 { 5586 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5587 "ContainsNoImages","`%s'",wand->name); 5588 return((char *) NULL); 5589 } 5590 status=SignatureImage(wand->images,wand->exception); 5591 if (status == MagickFalse) 5592 return((char *) NULL); 5593 value=GetImageProperty(wand->images,"signature",wand->exception); 5594 if (value == (const char *) NULL) 5595 return((char *) NULL); 5596 return(AcquireString(value)); 5597} 5598 5599/* 5600%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5601% % 5602% % 5603% % 5604% M a g i c k G e t I m a g e T i c k s P e r S e c o n d % 5605% % 5606% % 5607% % 5608%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5609% 5610% MagickGetImageTicksPerSecond() gets the image ticks-per-second. 5611% 5612% The format of the MagickGetImageTicksPerSecond method is: 5613% 5614% size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5615% 5616% A description of each parameter follows: 5617% 5618% o wand: the magick wand. 5619% 5620*/ 5621WandExport size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5622{ 5623 assert(wand != (MagickWand *) NULL); 5624 assert(wand->signature == MagickWandSignature); 5625 if (wand->debug != MagickFalse) 5626 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5627 if (wand->images == (Image *) NULL) 5628 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5629 return((size_t) wand->images->ticks_per_second); 5630} 5631 5632/* 5633%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5634% % 5635% % 5636% % 5637% M a g i c k G e t I m a g e T y p e % 5638% % 5639% % 5640% % 5641%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5642% 5643% MagickGetImageType() gets the potential image type: 5644% 5645% Bilevel Grayscale GrayscaleMatte 5646% Palette PaletteMatte TrueColor 5647% TrueColorMatte ColorSeparation ColorSeparationMatte 5648% 5649% The format of the MagickGetImageType method is: 5650% 5651% ImageType MagickGetImageType(MagickWand *wand) 5652% 5653% A description of each parameter follows: 5654% 5655% o wand: the magick wand. 5656% 5657*/ 5658WandExport ImageType MagickGetImageType(MagickWand *wand) 5659{ 5660 assert(wand != (MagickWand *) NULL); 5661 assert(wand->signature == MagickWandSignature); 5662 if (wand->debug != MagickFalse) 5663 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5664 if (wand->images == (Image *) NULL) 5665 { 5666 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5667 "ContainsNoImages","`%s'",wand->name); 5668 return(UndefinedType); 5669 } 5670 return(GetImageType(wand->images)); 5671} 5672 5673/* 5674%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5675% % 5676% % 5677% % 5678% M a g i c k G e t I m a g e U n i t s % 5679% % 5680% % 5681% % 5682%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5683% 5684% MagickGetImageUnits() gets the image units of resolution. 5685% 5686% The format of the MagickGetImageUnits method is: 5687% 5688% ResolutionType MagickGetImageUnits(MagickWand *wand) 5689% 5690% A description of each parameter follows: 5691% 5692% o wand: the magick wand. 5693% 5694*/ 5695WandExport ResolutionType MagickGetImageUnits(MagickWand *wand) 5696{ 5697 assert(wand != (MagickWand *) NULL); 5698 assert(wand->signature == MagickWandSignature); 5699 if (wand->debug != MagickFalse) 5700 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5701 if (wand->images == (Image *) NULL) 5702 { 5703 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5704 "ContainsNoImages","`%s'",wand->name); 5705 return(UndefinedResolution); 5706 } 5707 return(wand->images->units); 5708} 5709 5710/* 5711%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5712% % 5713% % 5714% % 5715% M a g i c k G e t I m a g e V i r t u a l P i x e l M e t h o d % 5716% % 5717% % 5718% % 5719%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5720% 5721% MagickGetImageVirtualPixelMethod() returns the virtual pixel method for the 5722% sepcified image. 5723% 5724% The format of the MagickGetImageVirtualPixelMethod method is: 5725% 5726% VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5727% 5728% A description of each parameter follows: 5729% 5730% o wand: the magick wand. 5731% 5732*/ 5733WandExport VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5734{ 5735 assert(wand != (MagickWand *) NULL); 5736 assert(wand->signature == MagickWandSignature); 5737 if (wand->debug != MagickFalse) 5738 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5739 if (wand->images == (Image *) NULL) 5740 { 5741 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5742 "ContainsNoImages","`%s'",wand->name); 5743 return(UndefinedVirtualPixelMethod); 5744 } 5745 return(GetImageVirtualPixelMethod(wand->images)); 5746} 5747 5748/* 5749%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5750% % 5751% % 5752% % 5753% M a g i c k G e t I m a g e W h i t e P o i n t % 5754% % 5755% % 5756% % 5757%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5758% 5759% MagickGetImageWhitePoint() returns the chromaticy white point. 5760% 5761% The format of the MagickGetImageWhitePoint method is: 5762% 5763% MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand,double *x, 5764% double *y,double *z) 5765% 5766% A description of each parameter follows: 5767% 5768% o wand: the magick wand. 5769% 5770% o x: the chromaticity white x-point. 5771% 5772% o y: the chromaticity white y-point. 5773% 5774% o z: the chromaticity white z-point. 5775% 5776*/ 5777WandExport MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand, 5778 double *x,double *y,double *z) 5779{ 5780 assert(wand != (MagickWand *) NULL); 5781 assert(wand->signature == MagickWandSignature); 5782 if (wand->debug != MagickFalse) 5783 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5784 if (wand->images == (Image *) NULL) 5785 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5786 *x=wand->images->chromaticity.white_point.x; 5787 *y=wand->images->chromaticity.white_point.y; 5788 *z=wand->images->chromaticity.white_point.z; 5789 return(MagickTrue); 5790} 5791 5792/* 5793%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5794% % 5795% % 5796% % 5797% M a g i c k G e t I m a g e W i d t h % 5798% % 5799% % 5800% % 5801%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5802% 5803% MagickGetImageWidth() returns the image width. 5804% 5805% The format of the MagickGetImageWidth method is: 5806% 5807% size_t MagickGetImageWidth(MagickWand *wand) 5808% 5809% A description of each parameter follows: 5810% 5811% o wand: the magick wand. 5812% 5813*/ 5814WandExport size_t MagickGetImageWidth(MagickWand *wand) 5815{ 5816 assert(wand != (MagickWand *) NULL); 5817 assert(wand->signature == MagickWandSignature); 5818 if (wand->debug != MagickFalse) 5819 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5820 if (wand->images == (Image *) NULL) 5821 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5822 return(wand->images->columns); 5823} 5824 5825/* 5826%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5827% % 5828% % 5829% % 5830% M a g i c k G e t N u m b e r I m a g e s % 5831% % 5832% % 5833% % 5834%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5835% 5836% MagickGetNumberImages() returns the number of images associated with a 5837% magick wand. 5838% 5839% The format of the MagickGetNumberImages method is: 5840% 5841% size_t MagickGetNumberImages(MagickWand *wand) 5842% 5843% A description of each parameter follows: 5844% 5845% o wand: the magick wand. 5846% 5847*/ 5848WandExport size_t MagickGetNumberImages(MagickWand *wand) 5849{ 5850 assert(wand != (MagickWand *) NULL); 5851 assert(wand->signature == MagickWandSignature); 5852 if (wand->debug != MagickFalse) 5853 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5854 return(GetImageListLength(wand->images)); 5855} 5856 5857/* 5858%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5859% % 5860% % 5861% % 5862% M a g i c k I m a g e G e t T o t a l I n k D e n s i t y % 5863% % 5864% % 5865% % 5866%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5867% 5868% MagickGetImageTotalInkDensity() gets the image total ink density. 5869% 5870% The format of the MagickGetImageTotalInkDensity method is: 5871% 5872% double MagickGetImageTotalInkDensity(MagickWand *wand) 5873% 5874% A description of each parameter follows: 5875% 5876% o wand: the magick wand. 5877% 5878*/ 5879WandExport double MagickGetImageTotalInkDensity(MagickWand *wand) 5880{ 5881 assert(wand != (MagickWand *) NULL); 5882 assert(wand->signature == MagickWandSignature); 5883 if (wand->debug != MagickFalse) 5884 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5885 if (wand->images == (Image *) NULL) 5886 { 5887 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5888 "ContainsNoImages","`%s'",wand->name); 5889 return(0.0); 5890 } 5891 return(GetImageTotalInkDensity(wand->images,wand->exception)); 5892} 5893 5894/* 5895%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5896% % 5897% % 5898% % 5899% M a g i c k H a l d C l u t I m a g e % 5900% % 5901% % 5902% % 5903%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5904% 5905% MagickHaldClutImage() replaces colors in the image from a Hald color lookup 5906% table. A Hald color lookup table is a 3-dimensional color cube mapped to 2 5907% dimensions. Create it with the HALD coder. You can apply any color 5908% transformation to the Hald image and then use this method to apply the 5909% transform to the image. 5910% 5911% The format of the MagickHaldClutImage method is: 5912% 5913% MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5914% const MagickWand *hald_wand) 5915% 5916% A description of each parameter follows: 5917% 5918% o wand: the magick wand. 5919% 5920% o hald_image: the hald CLUT image. 5921% 5922*/ 5923WandExport MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5924 const MagickWand *hald_wand) 5925{ 5926 MagickBooleanType 5927 status; 5928 5929 assert(wand != (MagickWand *) NULL); 5930 assert(wand->signature == MagickWandSignature); 5931 if (wand->debug != MagickFalse) 5932 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5933 if ((wand->images == (Image *) NULL) || (hald_wand->images == (Image *) NULL)) 5934 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5935 status=HaldClutImage(wand->images,hald_wand->images,wand->exception); 5936 return(status); 5937} 5938 5939/* 5940%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5941% % 5942% % 5943% % 5944% M a g i c k H a s N e x t I m a g e % 5945% % 5946% % 5947% % 5948%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5949% 5950% MagickHasNextImage() returns MagickTrue if the wand has more images when 5951% traversing the list in the forward direction 5952% 5953% The format of the MagickHasNextImage method is: 5954% 5955% MagickBooleanType MagickHasNextImage(MagickWand *wand) 5956% 5957% A description of each parameter follows: 5958% 5959% o wand: the magick wand. 5960% 5961*/ 5962WandExport MagickBooleanType MagickHasNextImage(MagickWand *wand) 5963{ 5964 assert(wand != (MagickWand *) NULL); 5965 assert(wand->signature == MagickWandSignature); 5966 if (wand->debug != MagickFalse) 5967 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5968 if (wand->images == (Image *) NULL) 5969 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5970 if (GetNextImageInList(wand->images) == (Image *) NULL) 5971 return(MagickFalse); 5972 return(MagickTrue); 5973} 5974 5975/* 5976%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5977% % 5978% % 5979% % 5980% M a g i c k H a s P r e v i o u s I m a g e % 5981% % 5982% % 5983% % 5984%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5985% 5986% MagickHasPreviousImage() returns MagickTrue if the wand has more images when 5987% traversing the list in the reverse direction 5988% 5989% The format of the MagickHasPreviousImage method is: 5990% 5991% MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5992% 5993% A description of each parameter follows: 5994% 5995% o wand: the magick wand. 5996% 5997*/ 5998WandExport MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5999{ 6000 assert(wand != (MagickWand *) NULL); 6001 assert(wand->signature == MagickWandSignature); 6002 if (wand->debug != MagickFalse) 6003 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6004 if (wand->images == (Image *) NULL) 6005 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6006 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 6007 return(MagickFalse); 6008 return(MagickTrue); 6009} 6010 6011/* 6012%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6013% % 6014% % 6015% % 6016% M a g i c k I d e n t i f y I m a g e % 6017% % 6018% % 6019% % 6020%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6021% 6022% MagickIdentifyImage() identifies an image by printing its attributes to the 6023% file. Attributes include the image width, height, size, and others. 6024% 6025% The format of the MagickIdentifyImage method is: 6026% 6027% const char *MagickIdentifyImage(MagickWand *wand) 6028% 6029% A description of each parameter follows: 6030% 6031% o wand: the magick wand. 6032% 6033*/ 6034WandExport char *MagickIdentifyImage(MagickWand *wand) 6035{ 6036 char 6037 *description, 6038 filename[MagickPathExtent]; 6039 6040 FILE 6041 *file; 6042 6043 int 6044 unique_file; 6045 6046 assert(wand != (MagickWand *) NULL); 6047 assert(wand->signature == MagickWandSignature); 6048 if (wand->debug != MagickFalse) 6049 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6050 if (wand->images == (Image *) NULL) 6051 { 6052 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6053 "ContainsNoImages","`%s'",wand->name); 6054 return((char *) NULL); 6055 } 6056 description=(char *) NULL; 6057 unique_file=AcquireUniqueFileResource(filename); 6058 file=(FILE *) NULL; 6059 if (unique_file != -1) 6060 file=fdopen(unique_file,"wb"); 6061 if ((unique_file == -1) || (file == (FILE *) NULL)) 6062 { 6063 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6064 "UnableToCreateTemporaryFile","`%s'",wand->name); 6065 return((char *) NULL); 6066 } 6067 (void) IdentifyImage(wand->images,file,MagickTrue,wand->exception); 6068 (void) fclose(file); 6069 description=FileToString(filename,~0UL,wand->exception); 6070 (void) RelinquishUniqueFileResource(filename); 6071 return(description); 6072} 6073 6074/* 6075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6076% % 6077% % 6078% % 6079% M a g i c k I d e n t i f y I m a g e T y p e % 6080% % 6081% % 6082% % 6083%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6084% 6085% MagickIdentifyImageType() gets the potential image type: 6086% 6087% Bilevel Grayscale GrayscaleMatte 6088% Palette PaletteMatte TrueColor 6089% TrueColorMatte ColorSeparation ColorSeparationMatte 6090% 6091% To ensure the image type matches its potential, use MagickSetImageType(): 6092% 6093% (void) MagickSetImageType(wand,MagickIdentifyImageType(wand)); 6094% 6095% The format of the MagickIdentifyImageType method is: 6096% 6097% ImageType MagickIdentifyImageType(MagickWand *wand) 6098% 6099% A description of each parameter follows: 6100% 6101% o wand: the magick wand. 6102% 6103*/ 6104WandExport ImageType MagickIdentifyImageType(MagickWand *wand) 6105{ 6106 assert(wand != (MagickWand *) NULL); 6107 assert(wand->signature == MagickWandSignature); 6108 if (wand->debug != MagickFalse) 6109 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6110 if (wand->images == (Image *) NULL) 6111 { 6112 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6113 "ContainsNoImages","`%s'",wand->name); 6114 return(UndefinedType); 6115 } 6116 return(IdentifyImageType(wand->images,wand->exception)); 6117} 6118 6119/* 6120%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6121% % 6122% % 6123% % 6124% M a g i c k I m p l o d e I m a g e % 6125% % 6126% % 6127% % 6128%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6129% 6130% MagickImplodeImage() creates a new image that is a copy of an existing 6131% one with the image pixels "implode" by the specified percentage. It 6132% allocates the memory necessary for the new Image structure and returns a 6133% pointer to the new image. 6134% 6135% The format of the MagickImplodeImage method is: 6136% 6137% MagickBooleanType MagickImplodeImage(MagickWand *wand, 6138% const double radius,const PixelInterpolateMethod method) 6139% 6140% A description of each parameter follows: 6141% 6142% o wand: the magick wand. 6143% 6144% o amount: Define the extent of the implosion. 6145% 6146% o method: the pixel interpolation method. 6147% 6148*/ 6149WandExport MagickBooleanType MagickImplodeImage(MagickWand *wand, 6150 const double amount,const PixelInterpolateMethod method) 6151{ 6152 Image 6153 *implode_image; 6154 6155 assert(wand != (MagickWand *) NULL); 6156 assert(wand->signature == MagickWandSignature); 6157 if (wand->debug != MagickFalse) 6158 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6159 if (wand->images == (Image *) NULL) 6160 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6161 implode_image=ImplodeImage(wand->images,amount,method,wand->exception); 6162 if (implode_image == (Image *) NULL) 6163 return(MagickFalse); 6164 ReplaceImageInList(&wand->images,implode_image); 6165 return(MagickTrue); 6166} 6167 6168/* 6169%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6170% % 6171% % 6172% % 6173% M a g i c k I m p o r t I m a g e P i x e l s % 6174% % 6175% % 6176% % 6177%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6178% 6179% MagickImportImagePixels() accepts pixel datand stores it in the image at the 6180% location you specify. The method returns MagickFalse on success otherwise 6181% MagickTrue if an error is encountered. The pixel data can be either char, 6182% short int, int, ssize_t, float, or double in the order specified by map. 6183% 6184% Suppose your want to upload the first scanline of a 640x480 image from 6185% character data in red-green-blue order: 6186% 6187% MagickImportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 6188% 6189% The format of the MagickImportImagePixels method is: 6190% 6191% MagickBooleanType MagickImportImagePixels(MagickWand *wand, 6192% const ssize_t x,const ssize_t y,const size_t columns, 6193% const size_t rows,const char *map,const StorageType storage, 6194% const void *pixels) 6195% 6196% A description of each parameter follows: 6197% 6198% o wand: the magick wand. 6199% 6200% o x, y, columns, rows: These values define the perimeter of a region 6201% of pixels you want to define. 6202% 6203% o map: This string reflects the expected ordering of the pixel array. 6204% It can be any combination or order of R = red, G = green, B = blue, 6205% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 6206% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 6207% P = pad. 6208% 6209% o storage: Define the data type of the pixels. Float and double types are 6210% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 6211% these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, 6212% or DoublePixel. 6213% 6214% o pixels: This array of values contain the pixel components as defined by 6215% map and type. You must preallocate this array where the expected 6216% length varies depending on the values of width, height, map, and type. 6217% 6218*/ 6219WandExport MagickBooleanType MagickImportImagePixels(MagickWand *wand, 6220 const ssize_t x,const ssize_t y,const size_t columns,const size_t rows, 6221 const char *map,const StorageType storage,const void *pixels) 6222{ 6223 MagickBooleanType 6224 status; 6225 6226 assert(wand != (MagickWand *) NULL); 6227 assert(wand->signature == MagickWandSignature); 6228 if (wand->debug != MagickFalse) 6229 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6230 if (wand->images == (Image *) NULL) 6231 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6232 status=ImportImagePixels(wand->images,x,y,columns,rows,map,storage,pixels, 6233 wand->exception); 6234 return(status); 6235} 6236 6237/* 6238%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6239% % 6240% % 6241% % 6242% M a g i c k I n t e r p o l a t i v e R e s i z e I m a g e % 6243% % 6244% % 6245% % 6246%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6247% 6248% MagickInterpolativeResizeImage() resize image using a interpolative 6249% method. 6250% 6251% MagickBooleanType MagickInterpolativeResizeImage(MagickWand *wand, 6252% const size_t columns,const size_t rows, 6253% const PixelInterpolateMethod method) 6254% 6255% A description of each parameter follows: 6256% 6257% o wand: the magick wand. 6258% 6259% o columns: the number of columns in the scaled image. 6260% 6261% o rows: the number of rows in the scaled image. 6262% 6263% o interpolate: the pixel interpolation method. 6264% 6265*/ 6266WandExport MagickBooleanType MagickInterpolativeResizeImage(MagickWand *wand, 6267 const size_t columns,const size_t rows,const PixelInterpolateMethod method) 6268{ 6269 Image 6270 *resize_image; 6271 6272 assert(wand != (MagickWand *) NULL); 6273 assert(wand->signature == MagickWandSignature); 6274 if (wand->debug != MagickFalse) 6275 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6276 if (wand->images == (Image *) NULL) 6277 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6278 resize_image=InterpolativeResizeImage(wand->images,columns,rows,method, 6279 wand->exception); 6280 if (resize_image == (Image *) NULL) 6281 return(MagickFalse); 6282 ReplaceImageInList(&wand->images,resize_image); 6283 return(MagickTrue); 6284} 6285 6286/* 6287%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6288% % 6289% % 6290% % 6291% M a g i c k I n v e r s e F o u r i e r T r a n s f o r m I m a g e % 6292% % 6293% % 6294% % 6295%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6296% 6297% MagickInverseFourierTransformImage() implements the inverse discrete 6298% Fourier transform (DFT) of the image either as a magnitude / phase or real / 6299% imaginary image pair. 6300% 6301% The format of the MagickInverseFourierTransformImage method is: 6302% 6303% MagickBooleanType MagickInverseFourierTransformImage( 6304% MagickWand *magnitude_wand,MagickWand *phase_wand, 6305% const MagickBooleanType magnitude) 6306% 6307% A description of each parameter follows: 6308% 6309% o magnitude_wand: the magnitude or real wand. 6310% 6311% o phase_wand: the phase or imaginary wand. 6312% 6313% o magnitude: if true, return as magnitude / phase pair otherwise a real / 6314% imaginary image pair. 6315% 6316*/ 6317WandExport MagickBooleanType MagickInverseFourierTransformImage( 6318 MagickWand *magnitude_wand,MagickWand *phase_wand, 6319 const MagickBooleanType magnitude) 6320{ 6321 Image 6322 *inverse_image; 6323 6324 MagickWand 6325 *wand; 6326 6327 assert(magnitude_wand != (MagickWand *) NULL); 6328 assert(magnitude_wand->signature == MagickWandSignature); 6329 if (magnitude_wand->debug != MagickFalse) 6330 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", 6331 magnitude_wand->name); 6332 wand=magnitude_wand; 6333 if (magnitude_wand->images == (Image *) NULL) 6334 ThrowWandException(WandError,"ContainsNoImages", 6335 magnitude_wand->name); 6336 assert(phase_wand != (MagickWand *) NULL); 6337 assert(phase_wand->signature == MagickWandSignature); 6338 inverse_image=InverseFourierTransformImage(magnitude_wand->images, 6339 phase_wand->images,magnitude,wand->exception); 6340 if (inverse_image == (Image *) NULL) 6341 return(MagickFalse); 6342 ReplaceImageInList(&wand->images,inverse_image); 6343 return(MagickTrue); 6344} 6345 6346/* 6347%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6348% % 6349% % 6350% % 6351% M a g i c k L a b e l I m a g e % 6352% % 6353% % 6354% % 6355%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6356% 6357% MagickLabelImage() adds a label to your image. 6358% 6359% The format of the MagickLabelImage method is: 6360% 6361% MagickBooleanType MagickLabelImage(MagickWand *wand,const char *label) 6362% 6363% A description of each parameter follows: 6364% 6365% o wand: the magick wand. 6366% 6367% o label: the image label. 6368% 6369*/ 6370WandExport MagickBooleanType MagickLabelImage(MagickWand *wand, 6371 const char *label) 6372{ 6373 MagickBooleanType 6374 status; 6375 6376 assert(wand != (MagickWand *) NULL); 6377 assert(wand->signature == MagickWandSignature); 6378 if (wand->debug != MagickFalse) 6379 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6380 if (wand->images == (Image *) NULL) 6381 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6382 status=SetImageProperty(wand->images,"label",label,wand->exception); 6383 return(status); 6384} 6385 6386/* 6387%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6388% % 6389% % 6390% % 6391% M a g i c k L e v e l I m a g e % 6392% % 6393% % 6394% % 6395%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6396% 6397% MagickLevelImage() adjusts the levels of an image by scaling the colors 6398% falling between specified white and black points to the full available 6399% quantum range. The parameters provided represent the black, mid, and white 6400% points. The black point specifies the darkest color in the image. Colors 6401% darker than the black point are set to zero. Mid point specifies a gamma 6402% correction to apply to the image. White point specifies the lightest color 6403% in the image. Colors brighter than the white point are set to the maximum 6404% quantum value. 6405% 6406% The format of the MagickLevelImage method is: 6407% 6408% MagickBooleanType MagickLevelImage(MagickWand *wand, 6409% const double black_point,const double gamma,const double white_point) 6410% MagickBooleanType MagickLevelImage(MagickWand *wand, 6411% const ChannelType channel,const double black_point,const double gamma, 6412% const double white_point) 6413% 6414% A description of each parameter follows: 6415% 6416% o wand: the magick wand. 6417% 6418% o channel: Identify which channel to level: RedPixelChannel, 6419% GreenPixelChannel, etc. 6420% 6421% o black_point: the black point. 6422% 6423% o gamma: the gamma. 6424% 6425% o white_point: the white point. 6426% 6427*/ 6428WandExport MagickBooleanType MagickLevelImage(MagickWand *wand, 6429 const double black_point,const double gamma,const double white_point) 6430{ 6431 MagickBooleanType 6432 status; 6433 6434 assert(wand != (MagickWand *) NULL); 6435 assert(wand->signature == MagickWandSignature); 6436 if (wand->debug != MagickFalse) 6437 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6438 if (wand->images == (Image *) NULL) 6439 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6440 status=LevelImage(wand->images,black_point,white_point,gamma, 6441 wand->exception); 6442 return(status); 6443} 6444 6445/* 6446%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6447% % 6448% % 6449% % 6450% M a g i c k L i n e a r S t r e t c h I m a g e % 6451% % 6452% % 6453% % 6454%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6455% 6456% MagickLinearStretchImage() stretches with saturation the image intensity. 6457% 6458% You can also reduce the influence of a particular channel with a gamma 6459% value of 0. 6460% 6461% The format of the MagickLinearStretchImage method is: 6462% 6463% MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6464% const double black_point,const double white_point) 6465% 6466% A description of each parameter follows: 6467% 6468% o wand: the magick wand. 6469% 6470% o black_point: the black point. 6471% 6472% o white_point: the white point. 6473% 6474*/ 6475WandExport MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6476 const double black_point,const double white_point) 6477{ 6478 MagickBooleanType 6479 status; 6480 6481 assert(wand != (MagickWand *) NULL); 6482 assert(wand->signature == MagickWandSignature); 6483 if (wand->debug != MagickFalse) 6484 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6485 if (wand->images == (Image *) NULL) 6486 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6487 status=LinearStretchImage(wand->images,black_point,white_point, 6488 wand->exception); 6489 return(status); 6490} 6491 6492/* 6493%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6494% % 6495% % 6496% % 6497% M a g i c k L i q u i d R e s c a l e I m a g e % 6498% % 6499% % 6500% % 6501%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6502% 6503% MagickLiquidRescaleImage() rescales image with seam carving. 6504% 6505% MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6506% const size_t columns,const size_t rows, 6507% const double delta_x,const double rigidity) 6508% 6509% A description of each parameter follows: 6510% 6511% o wand: the magick wand. 6512% 6513% o columns: the number of columns in the scaled image. 6514% 6515% o rows: the number of rows in the scaled image. 6516% 6517% o delta_x: maximum seam transversal step (0 means straight seams). 6518% 6519% o rigidity: introduce a bias for non-straight seams (typically 0). 6520% 6521*/ 6522WandExport MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6523 const size_t columns,const size_t rows,const double delta_x, 6524 const double rigidity) 6525{ 6526 Image 6527 *rescale_image; 6528 6529 assert(wand != (MagickWand *) NULL); 6530 assert(wand->signature == MagickWandSignature); 6531 if (wand->debug != MagickFalse) 6532 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6533 if (wand->images == (Image *) NULL) 6534 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6535 rescale_image=LiquidRescaleImage(wand->images,columns,rows,delta_x, 6536 rigidity,wand->exception); 6537 if (rescale_image == (Image *) NULL) 6538 return(MagickFalse); 6539 ReplaceImageInList(&wand->images,rescale_image); 6540 return(MagickTrue); 6541} 6542 6543/* 6544%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6545% % 6546% % 6547% % 6548% M a g i c k L o c a l C o n t r a s t I m a g e % 6549% % 6550% % 6551% % 6552%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6553% 6554% MagickLocalContrastImage() attempts to increase the appearance of 6555% large-scale light-dark transitions. Local contrast enhancement works 6556% similarly to sharpening with an unsharp mask, however the mask is instead 6557% created using an image with a greater blur distance. 6558% 6559% MagickBooleanType MagickLocalContrastImage(MagickWand *wand, 6560% const double radius,const double strength) 6561% 6562% A description of each parameter follows: 6563% 6564% o image: the image. 6565% 6566% o radius: the radius of the Gaussian, in pixels, not counting 6567% the center pixel. 6568% 6569% o strength: the strength of the blur mask in percentage. 6570% 6571*/ 6572WandExport MagickBooleanType MagickLocalContrastImage(MagickWand *wand, 6573 const double radius, const double strength) 6574{ 6575 Image 6576 *contrast_image; 6577 6578 assert(wand != (MagickWand *)NULL); 6579 assert(wand->signature == MagickWandSignature); 6580 if (wand->debug != MagickFalse) 6581 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", wand->name); 6582 if (wand->images == (Image *)NULL) 6583 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6584 contrast_image=LocalContrastImage(wand->images,radius,strength, 6585 wand->exception); 6586 if (contrast_image == (Image *)NULL) 6587 return(MagickFalse); 6588 ReplaceImageInList(&wand->images,contrast_image); 6589 return(MagickTrue); 6590} 6591 6592/* 6593%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6594% % 6595% % 6596% % 6597% M a g i c k M a g n i f y I m a g e % 6598% % 6599% % 6600% % 6601%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6602% 6603% MagickMagnifyImage() is a convenience method that scales an image 6604% proportionally to twice its original size. 6605% 6606% The format of the MagickMagnifyImage method is: 6607% 6608% MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6609% 6610% A description of each parameter follows: 6611% 6612% o wand: the magick wand. 6613% 6614*/ 6615WandExport MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6616{ 6617 Image 6618 *magnify_image; 6619 6620 assert(wand != (MagickWand *) NULL); 6621 assert(wand->signature == MagickWandSignature); 6622 if (wand->debug != MagickFalse) 6623 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6624 if (wand->images == (Image *) NULL) 6625 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6626 magnify_image=MagnifyImage(wand->images,wand->exception); 6627 if (magnify_image == (Image *) NULL) 6628 return(MagickFalse); 6629 ReplaceImageInList(&wand->images,magnify_image); 6630 return(MagickTrue); 6631} 6632 6633/* 6634%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6635% % 6636% % 6637% % 6638% M a g i c k M e r g e I m a g e L a y e r s % 6639% % 6640% % 6641% % 6642%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6643% 6644% MagickMergeImageLayers() composes all the image layers from the current 6645% given image onward to produce a single image of the merged layers. 6646% 6647% The inital canvas's size depends on the given LayerMethod, and is 6648% initialized using the first images background color. The images 6649% are then compositied onto that image in sequence using the given 6650% composition that has been assigned to each individual image. 6651% 6652% The format of the MagickMergeImageLayers method is: 6653% 6654% MagickWand *MagickMergeImageLayers(MagickWand *wand, 6655% const LayerMethod method) 6656% 6657% A description of each parameter follows: 6658% 6659% o wand: the magick wand. 6660% 6661% o method: the method of selecting the size of the initial canvas. 6662% 6663% MergeLayer: Merge all layers onto a canvas just large enough 6664% to hold all the actual images. The virtual canvas of the 6665% first image is preserved but otherwise ignored. 6666% 6667% FlattenLayer: Use the virtual canvas size of first image. 6668% Images which fall outside this canvas is clipped. 6669% This can be used to 'fill out' a given virtual canvas. 6670% 6671% MosaicLayer: Start with the virtual canvas of the first image, 6672% enlarging left and right edges to contain all images. 6673% Images with negative offsets will be clipped. 6674% 6675*/ 6676WandExport MagickWand *MagickMergeImageLayers(MagickWand *wand, 6677 const LayerMethod method) 6678{ 6679 Image 6680 *mosaic_image; 6681 6682 assert(wand != (MagickWand *) NULL); 6683 assert(wand->signature == MagickWandSignature); 6684 if (wand->debug != MagickFalse) 6685 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6686 if (wand->images == (Image *) NULL) 6687 return((MagickWand *) NULL); 6688 mosaic_image=MergeImageLayers(wand->images,method,wand->exception); 6689 if (mosaic_image == (Image *) NULL) 6690 return((MagickWand *) NULL); 6691 return(CloneMagickWandFromImages(wand,mosaic_image)); 6692} 6693 6694/* 6695%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6696% % 6697% % 6698% % 6699% M a g i c k M i n i f y I m a g e % 6700% % 6701% % 6702% % 6703%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6704% 6705% MagickMinifyImage() is a convenience method that scales an image 6706% proportionally to one-half its original size 6707% 6708% The format of the MagickMinifyImage method is: 6709% 6710% MagickBooleanType MagickMinifyImage(MagickWand *wand) 6711% 6712% A description of each parameter follows: 6713% 6714% o wand: the magick wand. 6715% 6716*/ 6717WandExport MagickBooleanType MagickMinifyImage(MagickWand *wand) 6718{ 6719 Image 6720 *minify_image; 6721 6722 assert(wand != (MagickWand *) NULL); 6723 assert(wand->signature == MagickWandSignature); 6724 if (wand->debug != MagickFalse) 6725 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6726 if (wand->images == (Image *) NULL) 6727 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6728 minify_image=MinifyImage(wand->images,wand->exception); 6729 if (minify_image == (Image *) NULL) 6730 return(MagickFalse); 6731 ReplaceImageInList(&wand->images,minify_image); 6732 return(MagickTrue); 6733} 6734 6735/* 6736%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6737% % 6738% % 6739% % 6740% M a g i c k M o d u l a t e I m a g e % 6741% % 6742% % 6743% % 6744%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6745% 6746% MagickModulateImage() lets you control the brightness, saturation, and hue 6747% of an image. Hue is the percentage of absolute rotation from the current 6748% position. For example 50 results in a counter-clockwise rotation of 90 6749% degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 6750% both resulting in a rotation of 180 degrees. 6751% 6752% To increase the color brightness by 20% and decrease the color saturation by 6753% 10% and leave the hue unchanged, use: 120,90,100. 6754% 6755% The format of the MagickModulateImage method is: 6756% 6757% MagickBooleanType MagickModulateImage(MagickWand *wand, 6758% const double brightness,const double saturation,const double hue) 6759% 6760% A description of each parameter follows: 6761% 6762% o wand: the magick wand. 6763% 6764% o brightness: the percent change in brighness. 6765% 6766% o saturation: the percent change in saturation. 6767% 6768% o hue: the percent change in hue. 6769% 6770*/ 6771WandExport MagickBooleanType MagickModulateImage(MagickWand *wand, 6772 const double brightness,const double saturation,const double hue) 6773{ 6774 char 6775 modulate[MagickPathExtent]; 6776 6777 MagickBooleanType 6778 status; 6779 6780 assert(wand != (MagickWand *) NULL); 6781 assert(wand->signature == MagickWandSignature); 6782 if (wand->debug != MagickFalse) 6783 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6784 if (wand->images == (Image *) NULL) 6785 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6786 (void) FormatLocaleString(modulate,MagickPathExtent,"%g,%g,%g", 6787 brightness,saturation,hue); 6788 status=ModulateImage(wand->images,modulate,wand->exception); 6789 return(status); 6790} 6791 6792/* 6793%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6794% % 6795% % 6796% % 6797% M a g i c k M o n t a g e I m a g e % 6798% % 6799% % 6800% % 6801%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6802% 6803% MagickMontageImage() creates a composite image by combining several 6804% separate images. The images are tiled on the composite image with the name 6805% of the image optionally appearing just below the individual tile. 6806% 6807% The format of the MagickMontageImage method is: 6808% 6809% MagickWand *MagickMontageImage(MagickWand *wand, 6810% const DrawingWand drawing_wand,const char *tile_geometry, 6811% const char *thumbnail_geometry,const MontageMode mode, 6812% const char *frame) 6813% 6814% A description of each parameter follows: 6815% 6816% o wand: the magick wand. 6817% 6818% o drawing_wand: the drawing wand. The font name, size, and color are 6819% obtained from this wand. 6820% 6821% o tile_geometry: the number of tiles per row and page (e.g. 6x4+0+0). 6822% 6823% o thumbnail_geometry: Preferred image size and border size of each 6824% thumbnail (e.g. 120x120+4+3>). 6825% 6826% o mode: Thumbnail framing mode: Frame, Unframe, or Concatenate. 6827% 6828% o frame: Surround the image with an ornamental border (e.g. 15x15+3+3). 6829% The frame color is that of the thumbnail's matte color. 6830% 6831*/ 6832WandExport MagickWand *MagickMontageImage(MagickWand *wand, 6833 const DrawingWand *drawing_wand,const char *tile_geometry, 6834 const char *thumbnail_geometry,const MontageMode mode,const char *frame) 6835{ 6836 char 6837 *font; 6838 6839 Image 6840 *montage_image; 6841 6842 MontageInfo 6843 *montage_info; 6844 6845 PixelWand 6846 *pixel_wand; 6847 6848 assert(wand != (MagickWand *) NULL); 6849 assert(wand->signature == MagickWandSignature); 6850 if (wand->debug != MagickFalse) 6851 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6852 if (wand->images == (Image *) NULL) 6853 return((MagickWand *) NULL); 6854 montage_info=CloneMontageInfo(wand->image_info,(MontageInfo *) NULL); 6855 switch (mode) 6856 { 6857 case FrameMode: 6858 { 6859 (void) CloneString(&montage_info->frame,"15x15+3+3"); 6860 montage_info->shadow=MagickTrue; 6861 break; 6862 } 6863 case UnframeMode: 6864 { 6865 montage_info->frame=(char *) NULL; 6866 montage_info->shadow=MagickFalse; 6867 montage_info->border_width=0; 6868 break; 6869 } 6870 case ConcatenateMode: 6871 { 6872 montage_info->frame=(char *) NULL; 6873 montage_info->shadow=MagickFalse; 6874 (void) CloneString(&montage_info->geometry,"+0+0"); 6875 montage_info->border_width=0; 6876 break; 6877 } 6878 default: 6879 break; 6880 } 6881 font=DrawGetFont(drawing_wand); 6882 if (font != (char *) NULL) 6883 (void) CloneString(&montage_info->font,font); 6884 if (frame != (char *) NULL) 6885 (void) CloneString(&montage_info->frame,frame); 6886 montage_info->pointsize=DrawGetFontSize(drawing_wand); 6887 pixel_wand=NewPixelWand(); 6888 DrawGetFillColor(drawing_wand,pixel_wand); 6889 PixelGetQuantumPacket(pixel_wand,&montage_info->fill); 6890 DrawGetStrokeColor(drawing_wand,pixel_wand); 6891 PixelGetQuantumPacket(pixel_wand,&montage_info->stroke); 6892 pixel_wand=DestroyPixelWand(pixel_wand); 6893 if (thumbnail_geometry != (char *) NULL) 6894 (void) CloneString(&montage_info->geometry,thumbnail_geometry); 6895 if (tile_geometry != (char *) NULL) 6896 (void) CloneString(&montage_info->tile,tile_geometry); 6897 montage_image=MontageImageList(wand->image_info,montage_info,wand->images, 6898 wand->exception); 6899 montage_info=DestroyMontageInfo(montage_info); 6900 if (montage_image == (Image *) NULL) 6901 return((MagickWand *) NULL); 6902 return(CloneMagickWandFromImages(wand,montage_image)); 6903} 6904 6905/* 6906%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6907% % 6908% % 6909% % 6910% M a g i c k M o r p h I m a g e s % 6911% % 6912% % 6913% % 6914%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6915% 6916% MagickMorphImages() method morphs a set of images. Both the image pixels 6917% and size are linearly interpolated to give the appearance of a 6918% meta-morphosis from one image to the next. 6919% 6920% The format of the MagickMorphImages method is: 6921% 6922% MagickWand *MagickMorphImages(MagickWand *wand, 6923% const size_t number_frames) 6924% 6925% A description of each parameter follows: 6926% 6927% o wand: the magick wand. 6928% 6929% o number_frames: the number of in-between images to generate. 6930% 6931*/ 6932WandExport MagickWand *MagickMorphImages(MagickWand *wand, 6933 const size_t number_frames) 6934{ 6935 Image 6936 *morph_image; 6937 6938 assert(wand != (MagickWand *) NULL); 6939 assert(wand->signature == MagickWandSignature); 6940 if (wand->debug != MagickFalse) 6941 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6942 if (wand->images == (Image *) NULL) 6943 return((MagickWand *) NULL); 6944 morph_image=MorphImages(wand->images,number_frames,wand->exception); 6945 if (morph_image == (Image *) NULL) 6946 return((MagickWand *) NULL); 6947 return(CloneMagickWandFromImages(wand,morph_image)); 6948} 6949 6950/* 6951%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6952% % 6953% % 6954% % 6955% M a g i c k M o r p h o l o g y I m a g e % 6956% % 6957% % 6958% % 6959%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6960% 6961% MagickMorphologyImage() applies a user supplied kernel to the image 6962% according to the given mophology method. 6963% 6964% The format of the MagickMorphologyImage method is: 6965% 6966% MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6967% MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6968% 6969% A description of each parameter follows: 6970% 6971% o wand: the magick wand. 6972% 6973% o method: the morphology method to be applied. 6974% 6975% o iterations: apply the operation this many times (or no change). 6976% A value of -1 means loop until no change found. How this is applied 6977% may depend on the morphology method. Typically this is a value of 1. 6978% 6979% o kernel: An array of doubles representing the morphology kernel. 6980% 6981*/ 6982WandExport MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6983 MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6984{ 6985 Image 6986 *morphology_image; 6987 6988 assert(wand != (MagickWand *) NULL); 6989 assert(wand->signature == MagickWandSignature); 6990 if (wand->debug != MagickFalse) 6991 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6992 if (kernel == (const KernelInfo *) NULL) 6993 return(MagickFalse); 6994 if (wand->images == (Image *) NULL) 6995 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6996 morphology_image=MorphologyImage(wand->images,method,iterations,kernel, 6997 wand->exception); 6998 if (morphology_image == (Image *) NULL) 6999 return(MagickFalse); 7000 ReplaceImageInList(&wand->images,morphology_image); 7001 return(MagickTrue); 7002} 7003 7004/* 7005%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7006% % 7007% % 7008% % 7009% M a g i c k M o t i o n B l u r I m a g e % 7010% % 7011% % 7012% % 7013%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7014% 7015% MagickMotionBlurImage() simulates motion blur. We convolve the image with a 7016% Gaussian operator of the given radius and standard deviation (sigma). 7017% For reasonable results, radius should be larger than sigma. Use a 7018% radius of 0 and MotionBlurImage() selects a suitable radius for you. 7019% Angle gives the angle of the blurring motion. 7020% 7021% The format of the MagickMotionBlurImage method is: 7022% 7023% MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 7024% const double radius,const double sigma,const double angle) 7025% 7026% A description of each parameter follows: 7027% 7028% o wand: the magick wand. 7029% 7030% o radius: the radius of the Gaussian, in pixels, not counting 7031% the center pixel. 7032% 7033% o sigma: the standard deviation of the Gaussian, in pixels. 7034% 7035% o angle: Apply the effect along this angle. 7036% 7037*/ 7038WandExport MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 7039 const double radius,const double sigma,const double angle) 7040{ 7041 Image 7042 *blur_image; 7043 7044 assert(wand != (MagickWand *) NULL); 7045 assert(wand->signature == MagickWandSignature); 7046 if (wand->debug != MagickFalse) 7047 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7048 if (wand->images == (Image *) NULL) 7049 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7050 blur_image=MotionBlurImage(wand->images,radius,sigma,angle,wand->exception); 7051 if (blur_image == (Image *) NULL) 7052 return(MagickFalse); 7053 ReplaceImageInList(&wand->images,blur_image); 7054 return(MagickTrue); 7055} 7056 7057/* 7058%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7059% % 7060% % 7061% % 7062% M a g i c k N e g a t e I m a g e % 7063% % 7064% % 7065% % 7066%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7067% 7068% MagickNegateImage() negates the colors in the reference image. The 7069% Grayscale option means that only grayscale values within the image are 7070% negated. 7071% 7072% You can also reduce the influence of a particular channel with a gamma 7073% value of 0. 7074% 7075% The format of the MagickNegateImage method is: 7076% 7077% MagickBooleanType MagickNegateImage(MagickWand *wand, 7078% const MagickBooleanType gray) 7079% 7080% A description of each parameter follows: 7081% 7082% o wand: the magick wand. 7083% 7084% o gray: If MagickTrue, only negate grayscale pixels within the image. 7085% 7086*/ 7087WandExport MagickBooleanType MagickNegateImage(MagickWand *wand, 7088 const MagickBooleanType gray) 7089{ 7090 MagickBooleanType 7091 status; 7092 7093 assert(wand != (MagickWand *) NULL); 7094 assert(wand->signature == MagickWandSignature); 7095 if (wand->debug != MagickFalse) 7096 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7097 if (wand->images == (Image *) NULL) 7098 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7099 status=NegateImage(wand->images,gray,wand->exception); 7100 return(status); 7101} 7102 7103/* 7104%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7105% % 7106% % 7107% % 7108% M a g i c k N e w I m a g e % 7109% % 7110% % 7111% % 7112%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7113% 7114% MagickNewImage() adds a blank image canvas of the specified size and 7115% background color to the wand. 7116% 7117% The format of the MagickNewImage method is: 7118% 7119% MagickBooleanType MagickNewImage(MagickWand *wand, 7120% const size_t columns,const size_t rows, 7121% const PixelWand *background) 7122% 7123% A description of each parameter follows: 7124% 7125% o wand: the magick wand. 7126% 7127% o width: the image width. 7128% 7129% o height: the image height. 7130% 7131% o background: the image color. 7132% 7133*/ 7134WandExport MagickBooleanType MagickNewImage(MagickWand *wand,const size_t width, 7135 const size_t height,const PixelWand *background) 7136{ 7137 Image 7138 *images; 7139 7140 PixelInfo 7141 pixel; 7142 7143 assert(wand != (MagickWand *) NULL); 7144 assert(wand->signature == MagickWandSignature); 7145 if (wand->debug != MagickFalse) 7146 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7147 PixelGetMagickColor(background,&pixel); 7148 images=NewMagickImage(wand->image_info,width,height,&pixel,wand->exception); 7149 if (images == (Image *) NULL) 7150 return(MagickFalse); 7151 return(InsertImageInWand(wand,images)); 7152} 7153 7154/* 7155%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7156% % 7157% % 7158% % 7159% M a g i c k N e x t I m a g e % 7160% % 7161% % 7162% % 7163%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7164% 7165% MagickNextImage() sets the next image in the wand as the current image. 7166% 7167% It is typically used after MagickResetIterator(), after which its first use 7168% will set the first image as the current image (unless the wand is empty). 7169% 7170% It will return MagickFalse when no more images are left to be returned 7171% which happens when the wand is empty, or the current image is the last 7172% image. 7173% 7174% When the above condition (end of image list) is reached, the iterator is 7175% automaticall set so that you can start using MagickPreviousImage() to 7176% again iterate over the images in the reverse direction, starting with the 7177% last image (again). You can jump to this condition immeditally using 7178% MagickSetLastIterator(). 7179% 7180% The format of the MagickNextImage method is: 7181% 7182% MagickBooleanType MagickNextImage(MagickWand *wand) 7183% 7184% A description of each parameter follows: 7185% 7186% o wand: the magick wand. 7187% 7188*/ 7189WandExport MagickBooleanType MagickNextImage(MagickWand *wand) 7190{ 7191 assert(wand != (MagickWand *) NULL); 7192 assert(wand->signature == MagickWandSignature); 7193 if (wand->debug != MagickFalse) 7194 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7195 if (wand->images == (Image *) NULL) 7196 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7197 wand->insert_before=MagickFalse; /* Inserts is now appended */ 7198 if (wand->image_pending != MagickFalse) 7199 { 7200 wand->image_pending=MagickFalse; 7201 return(MagickTrue); 7202 } 7203 if (GetNextImageInList(wand->images) == (Image *) NULL) 7204 { 7205 wand->image_pending=MagickTrue; /* No image, PreviousImage re-gets */ 7206 return(MagickFalse); 7207 } 7208 wand->images=GetNextImageInList(wand->images); 7209 return(MagickTrue); 7210} 7211 7212/* 7213%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7214% % 7215% % 7216% % 7217% M a g i c k N o r m a l i z e I m a g e % 7218% % 7219% % 7220% % 7221%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7222% 7223% MagickNormalizeImage() enhances the contrast of a color image by adjusting 7224% the pixels color to span the entire range of colors available 7225% 7226% You can also reduce the influence of a particular channel with a gamma 7227% value of 0. 7228% 7229% The format of the MagickNormalizeImage method is: 7230% 7231% MagickBooleanType MagickNormalizeImage(MagickWand *wand) 7232% 7233% A description of each parameter follows: 7234% 7235% o wand: the magick wand. 7236% 7237*/ 7238WandExport MagickBooleanType MagickNormalizeImage(MagickWand *wand) 7239{ 7240 MagickBooleanType 7241 status; 7242 7243 assert(wand != (MagickWand *) NULL); 7244 assert(wand->signature == MagickWandSignature); 7245 if (wand->debug != MagickFalse) 7246 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7247 if (wand->images == (Image *) NULL) 7248 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7249 status=NormalizeImage(wand->images,wand->exception); 7250 return(status); 7251} 7252 7253/* 7254%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7255% % 7256% % 7257% % 7258% M a g i c k O i l P a i n t I m a g e % 7259% % 7260% % 7261% % 7262%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7263% 7264% MagickOilPaintImage() applies a special effect filter that simulates an oil 7265% painting. Each pixel is replaced by the most frequent color occurring 7266% in a circular region defined by radius. 7267% 7268% The format of the MagickOilPaintImage method is: 7269% 7270% MagickBooleanType MagickOilPaintImage(MagickWand *wand, 7271% const double radius,const double sigma) 7272% 7273% A description of each parameter follows: 7274% 7275% o wand: the magick wand. 7276% 7277% o radius: the radius of the circular neighborhood. 7278% 7279% o sigma: the standard deviation of the Gaussian, in pixels. 7280% 7281*/ 7282WandExport MagickBooleanType MagickOilPaintImage(MagickWand *wand, 7283 const double radius,const double sigma) 7284{ 7285 Image 7286 *paint_image; 7287 7288 assert(wand != (MagickWand *) NULL); 7289 assert(wand->signature == MagickWandSignature); 7290 if (wand->debug != MagickFalse) 7291 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7292 if (wand->images == (Image *) NULL) 7293 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7294 paint_image=OilPaintImage(wand->images,radius,sigma,wand->exception); 7295 if (paint_image == (Image *) NULL) 7296 return(MagickFalse); 7297 ReplaceImageInList(&wand->images,paint_image); 7298 return(MagickTrue); 7299} 7300 7301/* 7302%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7303% % 7304% % 7305% % 7306% M a g i c k O p a q u e P a i n t I m a g e % 7307% % 7308% % 7309% % 7310%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7311% 7312% MagickOpaquePaintImage() changes any pixel that matches color with the color 7313% defined by fill. 7314% 7315% The format of the MagickOpaquePaintImage method is: 7316% 7317% MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 7318% const PixelWand *target,const PixelWand *fill,const double fuzz, 7319% const MagickBooleanType invert) 7320% 7321% A description of each parameter follows: 7322% 7323% o wand: the magick wand. 7324% 7325% o target: Change this target color to the fill color within the image. 7326% 7327% o fill: the fill pixel wand. 7328% 7329% o fuzz: By default target must match a particular pixel color 7330% exactly. However, in many cases two colors may differ by a small amount. 7331% The fuzz member of image defines how much tolerance is acceptable to 7332% consider two colors as the same. For example, set fuzz to 10 and the 7333% color red at intensities of 100 and 102 respectively are now interpreted 7334% as the same color for the purposes of the floodfill. 7335% 7336% o invert: paint any pixel that does not match the target color. 7337% 7338*/ 7339WandExport MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 7340 const PixelWand *target,const PixelWand *fill,const double fuzz, 7341 const MagickBooleanType invert) 7342{ 7343 MagickBooleanType 7344 status; 7345 7346 PixelInfo 7347 fill_pixel, 7348 target_pixel; 7349 7350 assert(wand != (MagickWand *) NULL); 7351 assert(wand->signature == MagickWandSignature); 7352 if (wand->debug != MagickFalse) 7353 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7354 if (wand->images == (Image *) NULL) 7355 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7356 PixelGetMagickColor(target,&target_pixel); 7357 PixelGetMagickColor(fill,&fill_pixel); 7358 wand->images->fuzz=fuzz; 7359 status=OpaquePaintImage(wand->images,&target_pixel,&fill_pixel,invert, 7360 wand->exception); 7361 return(status); 7362} 7363 7364/* 7365%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7366% % 7367% % 7368% % 7369% M a g i c k O p t i m i z e I m a g e L a y e r s % 7370% % 7371% % 7372% % 7373%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7374% 7375% MagickOptimizeImageLayers() compares each image the GIF disposed forms of the 7376% previous image in the sequence. From this it attempts to select the 7377% smallest cropped image to replace each frame, while preserving the results 7378% of the animation. 7379% 7380% The format of the MagickOptimizeImageLayers method is: 7381% 7382% MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 7383% 7384% A description of each parameter follows: 7385% 7386% o wand: the magick wand. 7387% 7388*/ 7389WandExport MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 7390{ 7391 Image 7392 *optimize_image; 7393 7394 assert(wand != (MagickWand *) NULL); 7395 assert(wand->signature == MagickWandSignature); 7396 if (wand->debug != MagickFalse) 7397 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7398 if (wand->images == (Image *) NULL) 7399 return((MagickWand *) NULL); 7400 optimize_image=OptimizeImageLayers(wand->images,wand->exception); 7401 if (optimize_image == (Image *) NULL) 7402 return((MagickWand *) NULL); 7403 return(CloneMagickWandFromImages(wand,optimize_image)); 7404} 7405 7406/* 7407%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7408% % 7409% % 7410% % 7411% M a g i c k O p t i m i z e I m a g e T r a n s p a r e n c y % 7412% % 7413% % 7414% % 7415%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7416% 7417% MagickOptimizeImageTransparency() takes a frame optimized GIF animation, and 7418% compares the overlayed pixels against the disposal image resulting from all 7419% the previous frames in the animation. Any pixel that does not change the 7420% disposal image (and thus does not effect the outcome of an overlay) is made 7421% transparent. 7422% 7423% WARNING: This modifies the current images directly, rather than generate 7424% a new image sequence. 7425% The format of the MagickOptimizeImageTransparency method is: 7426% 7427% MagickBooleanType MagickOptimizeImageTransparency(MagickWand *wand) 7428% 7429% A description of each parameter follows: 7430% 7431% o wand: the magick wand. 7432% 7433*/ 7434WandExport MagickBooleanType MagickOptimizeImageTransparency(MagickWand *wand) 7435{ 7436 assert(wand != (MagickWand *) NULL); 7437 assert(wand->signature == MagickWandSignature); 7438 if (wand->debug != MagickFalse) 7439 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7440 if (wand->images == (Image *) NULL) 7441 return(MagickFalse); 7442 OptimizeImageTransparency(wand->images,wand->exception); 7443 return(MagickTrue); 7444} 7445 7446/* 7447%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7448% % 7449% % 7450% % 7451% M a g i c k O r d e r e d D i t h e r I m a g e % 7452% % 7453% % 7454% % 7455%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7456% 7457% MagickOrderedDitherImage() performs an ordered dither based on a number 7458% of pre-defined dithering threshold maps, but over multiple intensity levels, 7459% which can be different for different channels, according to the input 7460% arguments. 7461% 7462% The format of the MagickOrderedDitherImage method is: 7463% 7464% MagickBooleanType MagickOrderedDitherImage(MagickWand *wand, 7465% const char *threshold_map) 7466% 7467% A description of each parameter follows: 7468% 7469% o image: the image. 7470% 7471% o threshold_map: A string containing the name of the threshold dither 7472% map to use, followed by zero or more numbers representing the number of 7473% color levels tho dither between. 7474% 7475% Any level number less than 2 is equivalent to 2, and means only binary 7476% dithering will be applied to each color channel. 7477% 7478% No numbers also means a 2 level (bitmap) dither will be applied to all 7479% channels, while a single number is the number of levels applied to each 7480% channel in sequence. More numbers will be applied in turn to each of 7481% the color channels. 7482% 7483% For example: "o3x3,6" generates a 6 level posterization of the image 7484% with a ordered 3x3 diffused pixel dither being applied between each 7485% level. While checker,8,8,4 will produce a 332 colormaped image with 7486% only a single checkerboard hash pattern (50% grey) between each color 7487% level, to basically double the number of color levels with a bare 7488% minimim of dithering. 7489% 7490*/ 7491WandExport MagickBooleanType MagickOrderedDitherImage(MagickWand *wand, 7492 const char *threshold_map) 7493{ 7494 MagickBooleanType 7495 status; 7496 7497 assert(wand != (MagickWand *) NULL); 7498 assert(wand->signature == MagickWandSignature); 7499 if (wand->debug != MagickFalse) 7500 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7501 if (wand->images == (Image *) NULL) 7502 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7503 status=OrderedDitherImage(wand->images,threshold_map,wand->exception); 7504 return(status); 7505} 7506 7507/* 7508%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7509% % 7510% % 7511% % 7512% M a g i c k P i n g I m a g e % 7513% % 7514% % 7515% % 7516%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7517% 7518% MagickPingImage() is the same as MagickReadImage() except the only valid 7519% information returned is the image width, height, size, and format. It 7520% is designed to efficiently obtain this information from a file without 7521% reading the entire image sequence into memory. 7522% 7523% The format of the MagickPingImage method is: 7524% 7525% MagickBooleanType MagickPingImage(MagickWand *wand,const char *filename) 7526% 7527% A description of each parameter follows: 7528% 7529% o wand: the magick wand. 7530% 7531% o filename: the image filename. 7532% 7533*/ 7534WandExport MagickBooleanType MagickPingImage(MagickWand *wand, 7535 const char *filename) 7536{ 7537 Image 7538 *images; 7539 7540 ImageInfo 7541 *ping_info; 7542 7543 assert(wand != (MagickWand *) NULL); 7544 assert(wand->signature == MagickWandSignature); 7545 if (wand->debug != MagickFalse) 7546 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7547 ping_info=CloneImageInfo(wand->image_info); 7548 if (filename != (const char *) NULL) 7549 (void) CopyMagickString(ping_info->filename,filename,MagickPathExtent); 7550 images=PingImage(ping_info,wand->exception); 7551 ping_info=DestroyImageInfo(ping_info); 7552 if (images == (Image *) NULL) 7553 return(MagickFalse); 7554 return(InsertImageInWand(wand,images)); 7555} 7556 7557/* 7558%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7559% % 7560% % 7561% % 7562% M a g i c k P i n g I m a g e B l o b % 7563% % 7564% % 7565% % 7566%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7567% 7568% MagickPingImageBlob() pings an image or image sequence from a blob. 7569% 7570% The format of the MagickPingImageBlob method is: 7571% 7572% MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7573% const void *blob,const size_t length) 7574% 7575% A description of each parameter follows: 7576% 7577% o wand: the magick wand. 7578% 7579% o blob: the blob. 7580% 7581% o length: the blob length. 7582% 7583*/ 7584WandExport MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7585 const void *blob,const size_t length) 7586{ 7587 Image 7588 *images; 7589 7590 ImageInfo 7591 *read_info; 7592 7593 assert(wand != (MagickWand *) NULL); 7594 assert(wand->signature == MagickWandSignature); 7595 if (wand->debug != MagickFalse) 7596 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7597 read_info=CloneImageInfo(wand->image_info); 7598 SetImageInfoBlob(read_info,blob,length); 7599 images=PingImage(read_info,wand->exception); 7600 read_info=DestroyImageInfo(read_info); 7601 if (images == (Image *) NULL) 7602 return(MagickFalse); 7603 return(InsertImageInWand(wand,images)); 7604} 7605 7606/* 7607%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7608% % 7609% % 7610% % 7611% M a g i c k P i n g I m a g e F i l e % 7612% % 7613% % 7614% % 7615%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7616% 7617% MagickPingImageFile() pings an image or image sequence from an open file 7618% descriptor. 7619% 7620% The format of the MagickPingImageFile method is: 7621% 7622% MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7623% 7624% A description of each parameter follows: 7625% 7626% o wand: the magick wand. 7627% 7628% o file: the file descriptor. 7629% 7630*/ 7631WandExport MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7632{ 7633 Image 7634 *images; 7635 7636 ImageInfo 7637 *read_info; 7638 7639 assert(wand != (MagickWand *) NULL); 7640 assert(wand->signature == MagickWandSignature); 7641 assert(file != (FILE *) NULL); 7642 if (wand->debug != MagickFalse) 7643 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7644 read_info=CloneImageInfo(wand->image_info); 7645 SetImageInfoFile(read_info,file); 7646 images=PingImage(read_info,wand->exception); 7647 read_info=DestroyImageInfo(read_info); 7648 if (images == (Image *) NULL) 7649 return(MagickFalse); 7650 return(InsertImageInWand(wand,images)); 7651} 7652 7653/* 7654%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7655% % 7656% % 7657% % 7658% M a g i c k P o l a r o i d I m a g e % 7659% % 7660% % 7661% % 7662%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7663% 7664% MagickPolaroidImage() simulates a Polaroid picture. 7665% 7666% The format of the MagickPolaroidImage method is: 7667% 7668% MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7669% const DrawingWand *drawing_wand,const char *caption,const double angle, 7670% const PixelInterpolateMethod method) 7671% 7672% A description of each parameter follows: 7673% 7674% o wand: the magick wand. 7675% 7676% o drawing_wand: the draw wand. 7677% 7678% o caption: the Polaroid caption. 7679% 7680% o angle: Apply the effect along this angle. 7681% 7682% o method: the pixel interpolation method. 7683% 7684*/ 7685WandExport MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7686 const DrawingWand *drawing_wand,const char *caption,const double angle, 7687 const PixelInterpolateMethod method) 7688{ 7689 DrawInfo 7690 *draw_info; 7691 7692 Image 7693 *polaroid_image; 7694 7695 assert(wand != (MagickWand *) NULL); 7696 assert(wand->signature == MagickWandSignature); 7697 if (wand->debug != MagickFalse) 7698 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7699 if (wand->images == (Image *) NULL) 7700 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7701 draw_info=PeekDrawingWand(drawing_wand); 7702 if (draw_info == (DrawInfo *) NULL) 7703 return(MagickFalse); 7704 polaroid_image=PolaroidImage(wand->images,draw_info,caption,angle,method, 7705 wand->exception); 7706 if (polaroid_image == (Image *) NULL) 7707 return(MagickFalse); 7708 ReplaceImageInList(&wand->images,polaroid_image); 7709 return(MagickTrue); 7710} 7711 7712/* 7713%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7714% % 7715% % 7716% % 7717% M a g i c k P o s t e r i z e I m a g e % 7718% % 7719% % 7720% % 7721%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7722% 7723% MagickPosterizeImage() reduces the image to a limited number of color level. 7724% 7725% The format of the MagickPosterizeImage method is: 7726% 7727% MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7728% const size_t levels,const DitherMethod method) 7729% 7730% A description of each parameter follows: 7731% 7732% o wand: the magick wand. 7733% 7734% o levels: Number of color levels allowed in each channel. Very low values 7735% (2, 3, or 4) have the most visible effect. 7736% 7737% o method: choose the dither method: UndefinedDitherMethod, 7738% NoDitherMethod, RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7739% 7740*/ 7741WandExport MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7742 const size_t levels,const DitherMethod dither) 7743{ 7744 MagickBooleanType 7745 status; 7746 7747 assert(wand != (MagickWand *) NULL); 7748 assert(wand->signature == MagickWandSignature); 7749 if (wand->debug != MagickFalse) 7750 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7751 if (wand->images == (Image *) NULL) 7752 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7753 status=PosterizeImage(wand->images,levels,dither,wand->exception); 7754 return(status); 7755} 7756 7757/* 7758%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7759% % 7760% % 7761% % 7762% M a g i c k P r e v i e w I m a g e s % 7763% % 7764% % 7765% % 7766%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7767% 7768% MagickPreviewImages() tiles 9 thumbnails of the specified image with an 7769% image processing operation applied at varying strengths. This helpful 7770% to quickly pin-point an appropriate parameter for an image processing 7771% operation. 7772% 7773% The format of the MagickPreviewImages method is: 7774% 7775% MagickWand *MagickPreviewImages(MagickWand *wand, 7776% const PreviewType preview) 7777% 7778% A description of each parameter follows: 7779% 7780% o wand: the magick wand. 7781% 7782% o preview: the preview type. 7783% 7784*/ 7785WandExport MagickWand *MagickPreviewImages(MagickWand *wand, 7786 const PreviewType preview) 7787{ 7788 Image 7789 *preview_image; 7790 7791 assert(wand != (MagickWand *) NULL); 7792 assert(wand->signature == MagickWandSignature); 7793 if (wand->debug != MagickFalse) 7794 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7795 if (wand->images == (Image *) NULL) 7796 return((MagickWand *) NULL); 7797 preview_image=PreviewImage(wand->images,preview,wand->exception); 7798 if (preview_image == (Image *) NULL) 7799 return((MagickWand *) NULL); 7800 return(CloneMagickWandFromImages(wand,preview_image)); 7801} 7802 7803/* 7804%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7805% % 7806% % 7807% % 7808% M a g i c k P r e v i o u s I m a g e % 7809% % 7810% % 7811% % 7812%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7813% 7814% MagickPreviousImage() sets the previous image in the wand as the current 7815% image. 7816% 7817% It is typically used after MagickSetLastIterator(), after which its first 7818% use will set the last image as the current image (unless the wand is empty). 7819% 7820% It will return MagickFalse when no more images are left to be returned 7821% which happens when the wand is empty, or the current image is the first 7822% image. At that point the iterator is than reset to again process images in 7823% the forward direction, again starting with the first image in list. Images 7824% added at this point are prepended. 7825% 7826% Also at that point any images added to the wand using MagickAddImages() or 7827% MagickReadImages() will be prepended before the first image. In this sense 7828% the condition is not quite exactly the same as MagickResetIterator(). 7829% 7830% The format of the MagickPreviousImage method is: 7831% 7832% MagickBooleanType MagickPreviousImage(MagickWand *wand) 7833% 7834% A description of each parameter follows: 7835% 7836% o wand: the magick wand. 7837% 7838*/ 7839WandExport MagickBooleanType MagickPreviousImage(MagickWand *wand) 7840{ 7841 assert(wand != (MagickWand *) NULL); 7842 assert(wand->signature == MagickWandSignature); 7843 if (wand->debug != MagickFalse) 7844 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7845 if (wand->images == (Image *) NULL) 7846 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7847 if (wand->image_pending != MagickFalse) 7848 { 7849 wand->image_pending=MagickFalse; /* image returned no longer pending */ 7850 return(MagickTrue); 7851 } 7852 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 7853 { 7854 wand->image_pending=MagickTrue; /* Next now re-gets first image */ 7855 wand->insert_before=MagickTrue; /* insert/add prepends new images */ 7856 return(MagickFalse); 7857 } 7858 wand->images=GetPreviousImageInList(wand->images); 7859 return(MagickTrue); 7860} 7861 7862/* 7863%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7864% % 7865% % 7866% % 7867% M a g i c k Q u a n t i z e I m a g e % 7868% % 7869% % 7870% % 7871%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7872% 7873% MagickQuantizeImage() analyzes the colors within a reference image and 7874% chooses a fixed number of colors to represent the image. The goal of the 7875% algorithm is to minimize the color difference between the input and output 7876% image while minimizing the processing time. 7877% 7878% The format of the MagickQuantizeImage method is: 7879% 7880% MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7881% const size_t number_colors,const ColorspaceType colorspace, 7882% const size_t treedepth,const DitherMethod dither_method, 7883% const MagickBooleanType measure_error) 7884% 7885% A description of each parameter follows: 7886% 7887% o wand: the magick wand. 7888% 7889% o number_colors: the number of colors. 7890% 7891% o colorspace: Perform color reduction in this colorspace, typically 7892% RGBColorspace. 7893% 7894% o treedepth: Normally, this integer value is zero or one. A zero or 7895% one tells Quantize to choose a optimal tree depth of Log4(number_colors).% A tree of this depth generally allows the best representation of the 7896% reference image with the least amount of memory and the fastest 7897% computational speed. In some cases, such as an image with low color 7898% dispersion (a few number of colors), a value other than 7899% Log4(number_colors) is required. To expand the color tree completely, 7900% use a value of 8. 7901% 7902% o dither_method: choose from UndefinedDitherMethod, NoDitherMethod, 7903% RiemersmaDitherMethod, FloydSteinbergDitherMethod. 7904% 7905% o measure_error: A value other than zero measures the difference between 7906% the original and quantized images. This difference is the total 7907% quantization error. The error is computed by summing over all pixels 7908% in an image the distance squared in RGB space between each reference 7909% pixel value and its quantized value. 7910% 7911*/ 7912WandExport MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7913 const size_t number_colors,const ColorspaceType colorspace, 7914 const size_t treedepth,const DitherMethod dither_method, 7915 const MagickBooleanType measure_error) 7916{ 7917 MagickBooleanType 7918 status; 7919 7920 QuantizeInfo 7921 *quantize_info; 7922 7923 assert(wand != (MagickWand *) NULL); 7924 assert(wand->signature == MagickWandSignature); 7925 if (wand->debug != MagickFalse) 7926 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7927 if (wand->images == (Image *) NULL) 7928 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7929 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7930 quantize_info->number_colors=number_colors; 7931 quantize_info->dither_method=dither_method; 7932 quantize_info->tree_depth=treedepth; 7933 quantize_info->colorspace=colorspace; 7934 quantize_info->measure_error=measure_error; 7935 status=QuantizeImage(quantize_info,wand->images,wand->exception); 7936 quantize_info=DestroyQuantizeInfo(quantize_info); 7937 return(status); 7938} 7939 7940/* 7941%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7942% % 7943% % 7944% % 7945% M a g i c k Q u a n t i z e I m a g e s % 7946% % 7947% % 7948% % 7949%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7950% 7951% MagickQuantizeImages() analyzes the colors within a sequence of images and 7952% chooses a fixed number of colors to represent the image. The goal of the 7953% algorithm is to minimize the color difference between the input and output 7954% image while minimizing the processing time. 7955% 7956% The format of the MagickQuantizeImages method is: 7957% 7958% MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7959% const size_t number_colors,const ColorspaceType colorspace, 7960% const size_t treedepth,const DitherMethod dither_method, 7961% const MagickBooleanType measure_error) 7962% 7963% A description of each parameter follows: 7964% 7965% o wand: the magick wand. 7966% 7967% o number_colors: the number of colors. 7968% 7969% o colorspace: Perform color reduction in this colorspace, typically 7970% RGBColorspace. 7971% 7972% o treedepth: Normally, this integer value is zero or one. A zero or 7973% one tells Quantize to choose a optimal tree depth of Log4(number_colors).% A tree of this depth generally allows the best representation of the 7974% reference image with the least amount of memory and the fastest 7975% computational speed. In some cases, such as an image with low color 7976% dispersion (a few number of colors), a value other than 7977% Log4(number_colors) is required. To expand the color tree completely, 7978% use a value of 8. 7979% 7980% o dither_method: choose from these dither methods: NoDitherMethod, 7981% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7982% 7983% o measure_error: A value other than zero measures the difference between 7984% the original and quantized images. This difference is the total 7985% quantization error. The error is computed by summing over all pixels 7986% in an image the distance squared in RGB space between each reference 7987% pixel value and its quantized value. 7988% 7989*/ 7990WandExport MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7991 const size_t number_colors,const ColorspaceType colorspace, 7992 const size_t treedepth,const DitherMethod dither_method, 7993 const MagickBooleanType measure_error) 7994{ 7995 MagickBooleanType 7996 status; 7997 7998 QuantizeInfo 7999 *quantize_info; 8000 8001 assert(wand != (MagickWand *) NULL); 8002 assert(wand->signature == MagickWandSignature); 8003 if (wand->debug != MagickFalse) 8004 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8005 if (wand->images == (Image *) NULL) 8006 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8007 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 8008 quantize_info->number_colors=number_colors; 8009 quantize_info->dither_method=dither_method; 8010 quantize_info->tree_depth=treedepth; 8011 quantize_info->colorspace=colorspace; 8012 quantize_info->measure_error=measure_error; 8013 status=QuantizeImages(quantize_info,wand->images,wand->exception); 8014 quantize_info=DestroyQuantizeInfo(quantize_info); 8015 return(status); 8016} 8017 8018/* 8019%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8020% % 8021% % 8022% % 8023% M a g i c k R o t a t i o n a l B l u r I m a g e % 8024% % 8025% % 8026% % 8027%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8028% 8029% MagickRotationalBlurImage() rotational blurs an image. 8030% 8031% The format of the MagickRotationalBlurImage method is: 8032% 8033% MagickBooleanType MagickRotationalBlurImage(MagickWand *wand, 8034% const double angle) 8035% 8036% A description of each parameter follows: 8037% 8038% o wand: the magick wand. 8039% 8040% o angle: the angle of the blur in degrees. 8041% 8042*/ 8043WandExport MagickBooleanType MagickRotationalBlurImage(MagickWand *wand, 8044 const double angle) 8045{ 8046 Image 8047 *blur_image; 8048 8049 assert(wand != (MagickWand *) NULL); 8050 assert(wand->signature == MagickWandSignature); 8051 if (wand->debug != MagickFalse) 8052 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8053 if (wand->images == (Image *) NULL) 8054 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8055 blur_image=RotationalBlurImage(wand->images,angle,wand->exception); 8056 if (blur_image == (Image *) NULL) 8057 return(MagickFalse); 8058 ReplaceImageInList(&wand->images,blur_image); 8059 return(MagickTrue); 8060} 8061 8062/* 8063%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8064% % 8065% % 8066% % 8067% M a g i c k R a i s e I m a g e % 8068% % 8069% % 8070% % 8071%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8072% 8073% MagickRaiseImage() creates a simulated three-dimensional button-like effect 8074% by lightening and darkening the edges of the image. Members width and 8075% height of raise_info define the width of the vertical and horizontal 8076% edge of the effect. 8077% 8078% The format of the MagickRaiseImage method is: 8079% 8080% MagickBooleanType MagickRaiseImage(MagickWand *wand, 8081% const size_t width,const size_t height,const ssize_t x, 8082% const ssize_t y,const MagickBooleanType raise) 8083% 8084% A description of each parameter follows: 8085% 8086% o wand: the magick wand. 8087% 8088% o width,height,x,y: Define the dimensions of the area to raise. 8089% 8090% o raise: A value other than zero creates a 3-D raise effect, 8091% otherwise it has a lowered effect. 8092% 8093*/ 8094WandExport MagickBooleanType MagickRaiseImage(MagickWand *wand, 8095 const size_t width,const size_t height,const ssize_t x, 8096 const ssize_t y,const MagickBooleanType raise) 8097{ 8098 MagickBooleanType 8099 status; 8100 8101 RectangleInfo 8102 raise_info; 8103 8104 assert(wand != (MagickWand *) NULL); 8105 assert(wand->signature == MagickWandSignature); 8106 if (wand->debug != MagickFalse) 8107 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8108 if (wand->images == (Image *) NULL) 8109 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8110 raise_info.width=width; 8111 raise_info.height=height; 8112 raise_info.x=x; 8113 raise_info.y=y; 8114 status=RaiseImage(wand->images,&raise_info,raise,wand->exception); 8115 return(status); 8116} 8117 8118/* 8119%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8120% % 8121% % 8122% % 8123% M a g i c k R a n d o m T h r e s h o l d I m a g e % 8124% % 8125% % 8126% % 8127%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8128% 8129% MagickRandomThresholdImage() changes the value of individual pixels based on 8130% the intensity of each pixel compared to threshold. The result is a 8131% high-contrast, two color image. 8132% 8133% The format of the MagickRandomThresholdImage method is: 8134% 8135% MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 8136% const double low,const double high) 8137% 8138% A description of each parameter follows: 8139% 8140% o wand: the magick wand. 8141% 8142% o low,high: Specify the high and low thresholds. These values range from 8143% 0 to QuantumRange. 8144% 8145*/ 8146WandExport MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 8147 const double low,const double high) 8148{ 8149 assert(wand != (MagickWand *) NULL); 8150 assert(wand->signature == MagickWandSignature); 8151 if (wand->debug != MagickFalse) 8152 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8153 if (wand->images == (Image *) NULL) 8154 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8155 return(RandomThresholdImage(wand->images,low,high,wand->exception)); 8156} 8157 8158/* 8159%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8160% % 8161% % 8162% % 8163% M a g i c k R e a d I m a g e % 8164% % 8165% % 8166% % 8167%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8168% 8169% MagickReadImage() reads an image or image sequence. The images are inserted 8170% jjust before the current image pointer position. 8171% 8172% Use MagickSetFirstIterator(), to insert new images before all the current 8173% images in the wand, MagickSetLastIterator() to append add to the end, 8174% MagickSetIteratorIndex() to place images just after the given index. 8175% 8176% The format of the MagickReadImage method is: 8177% 8178% MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename) 8179% 8180% A description of each parameter follows: 8181% 8182% o wand: the magick wand. 8183% 8184% o filename: the image filename. 8185% 8186*/ 8187WandExport MagickBooleanType MagickReadImage(MagickWand *wand, 8188 const char *filename) 8189{ 8190 Image 8191 *images; 8192 8193 ImageInfo 8194 *read_info; 8195 8196 assert(wand != (MagickWand *) NULL); 8197 assert(wand->signature == MagickWandSignature); 8198 if (wand->debug != MagickFalse) 8199 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8200 read_info=CloneImageInfo(wand->image_info); 8201 if (filename != (const char *) NULL) 8202 (void) CopyMagickString(read_info->filename,filename,MagickPathExtent); 8203 images=ReadImage(read_info,wand->exception); 8204 read_info=DestroyImageInfo(read_info); 8205 if (images == (Image *) NULL) 8206 return(MagickFalse); 8207 return(InsertImageInWand(wand,images)); 8208} 8209 8210/* 8211%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8212% % 8213% % 8214% % 8215% M a g i c k R e a d I m a g e B l o b % 8216% % 8217% % 8218% % 8219%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8220% 8221% MagickReadImageBlob() reads an image or image sequence from a blob. 8222% In all other respects it is like MagickReadImage(). 8223% 8224% The format of the MagickReadImageBlob method is: 8225% 8226% MagickBooleanType MagickReadImageBlob(MagickWand *wand, 8227% const void *blob,const size_t length) 8228% 8229% A description of each parameter follows: 8230% 8231% o wand: the magick wand. 8232% 8233% o blob: the blob. 8234% 8235% o length: the blob length. 8236% 8237*/ 8238WandExport MagickBooleanType MagickReadImageBlob(MagickWand *wand, 8239 const void *blob,const size_t length) 8240{ 8241 Image 8242 *images; 8243 8244 assert(wand != (MagickWand *) NULL); 8245 assert(wand->signature == MagickWandSignature); 8246 if (wand->debug != MagickFalse) 8247 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8248 images=BlobToImage(wand->image_info,blob,length,wand->exception); 8249 if (images == (Image *) NULL) 8250 return(MagickFalse); 8251 return(InsertImageInWand(wand,images)); 8252} 8253 8254/* 8255%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8256% % 8257% % 8258% % 8259% M a g i c k R e a d I m a g e F i l e % 8260% % 8261% % 8262% % 8263%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8264% 8265% MagickReadImageFile() reads an image or image sequence from an already 8266% opened file descriptor. Otherwise it is like MagickReadImage(). 8267% 8268% The format of the MagickReadImageFile method is: 8269% 8270% MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 8271% 8272% A description of each parameter follows: 8273% 8274% o wand: the magick wand. 8275% 8276% o file: the file descriptor. 8277% 8278*/ 8279WandExport MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 8280{ 8281 Image 8282 *images; 8283 8284 ImageInfo 8285 *read_info; 8286 8287 assert(wand != (MagickWand *) NULL); 8288 assert(wand->signature == MagickWandSignature); 8289 assert(file != (FILE *) NULL); 8290 if (wand->debug != MagickFalse) 8291 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8292 read_info=CloneImageInfo(wand->image_info); 8293 SetImageInfoFile(read_info,file); 8294 images=ReadImage(read_info,wand->exception); 8295 read_info=DestroyImageInfo(read_info); 8296 if (images == (Image *) NULL) 8297 return(MagickFalse); 8298 return(InsertImageInWand(wand,images)); 8299} 8300 8301/* 8302%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8303% % 8304% % 8305% % 8306% M a g i c k R e m a p I m a g e % 8307% % 8308% % 8309% % 8310%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8311% 8312% MagickRemapImage() replaces the colors of an image with the closest color 8313% from a reference image. 8314% 8315% The format of the MagickRemapImage method is: 8316% 8317% MagickBooleanType MagickRemapImage(MagickWand *wand, 8318% const MagickWand *remap_wand,const DitherMethod method) 8319% 8320% A description of each parameter follows: 8321% 8322% o wand: the magick wand. 8323% 8324% o affinity: the affinity wand. 8325% 8326% o method: choose from these dither methods: NoDitherMethod, 8327% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 8328% 8329*/ 8330WandExport MagickBooleanType MagickRemapImage(MagickWand *wand, 8331 const MagickWand *remap_wand,const DitherMethod dither_method) 8332{ 8333 MagickBooleanType 8334 status; 8335 8336 QuantizeInfo 8337 *quantize_info; 8338 8339 assert(wand != (MagickWand *) NULL); 8340 assert(wand->signature == MagickWandSignature); 8341 if (wand->debug != MagickFalse) 8342 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8343 if ((wand->images == (Image *) NULL) || 8344 (remap_wand->images == (Image *) NULL)) 8345 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8346 quantize_info=AcquireQuantizeInfo(wand->image_info); 8347 quantize_info->dither_method=dither_method; 8348 status=RemapImage(quantize_info,wand->images,remap_wand->images, 8349 wand->exception); 8350 quantize_info=DestroyQuantizeInfo(quantize_info); 8351 return(status); 8352} 8353 8354/* 8355%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8356% % 8357% % 8358% % 8359% M a g i c k R e m o v e I m a g e % 8360% % 8361% % 8362% % 8363%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8364% 8365% MagickRemoveImage() removes an image from the image list. 8366% 8367% The format of the MagickRemoveImage method is: 8368% 8369% MagickBooleanType MagickRemoveImage(MagickWand *wand) 8370% 8371% A description of each parameter follows: 8372% 8373% o wand: the magick wand. 8374% 8375% o insert: the splice wand. 8376% 8377*/ 8378WandExport MagickBooleanType MagickRemoveImage(MagickWand *wand) 8379{ 8380 assert(wand != (MagickWand *) NULL); 8381 assert(wand->signature == MagickWandSignature); 8382 if (wand->debug != MagickFalse) 8383 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8384 if (wand->images == (Image *) NULL) 8385 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8386 DeleteImageFromList(&wand->images); 8387 return(MagickTrue); 8388} 8389 8390/* 8391%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8392% % 8393% % 8394% % 8395% M a g i c k R e s a m p l e I m a g e % 8396% % 8397% % 8398% % 8399%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8400% 8401% MagickResampleImage() resample image to desired resolution. 8402% 8403% Bessel Blackman Box 8404% Catrom Cubic Gaussian 8405% Hanning Hermite Lanczos 8406% Mitchell Point Quandratic 8407% Sinc Triangle 8408% 8409% Most of the filters are FIR (finite impulse response), however, Bessel, 8410% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8411% are windowed (brought down to zero) with the Blackman filter. 8412% 8413% The format of the MagickResampleImage method is: 8414% 8415% MagickBooleanType MagickResampleImage(MagickWand *wand, 8416% const double x_resolution,const double y_resolution, 8417% const FilterType filter) 8418% 8419% A description of each parameter follows: 8420% 8421% o wand: the magick wand. 8422% 8423% o x_resolution: the new image x resolution. 8424% 8425% o y_resolution: the new image y resolution. 8426% 8427% o filter: Image filter to use. 8428% 8429*/ 8430WandExport MagickBooleanType MagickResampleImage(MagickWand *wand, 8431 const double x_resolution,const double y_resolution,const FilterType filter) 8432{ 8433 Image 8434 *resample_image; 8435 8436 assert(wand != (MagickWand *) NULL); 8437 assert(wand->signature == MagickWandSignature); 8438 if (wand->debug != MagickFalse) 8439 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8440 if (wand->images == (Image *) NULL) 8441 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8442 resample_image=ResampleImage(wand->images,x_resolution,y_resolution,filter, 8443 wand->exception); 8444 if (resample_image == (Image *) NULL) 8445 return(MagickFalse); 8446 ReplaceImageInList(&wand->images,resample_image); 8447 return(MagickTrue); 8448} 8449 8450/* 8451%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8452% % 8453% % 8454% % 8455% M a g i c k R e s e t I m a g e P a g e % 8456% % 8457% % 8458% % 8459%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8460% 8461% MagickResetImagePage() resets the Wand page canvas and position. 8462% 8463% The format of the MagickResetImagePage method is: 8464% 8465% MagickBooleanType MagickResetImagePage(MagickWand *wand, 8466% const char *page) 8467% 8468% A description of each parameter follows: 8469% 8470% o wand: the magick wand. 8471% 8472% o page: the relative page specification. 8473% 8474*/ 8475WandExport MagickBooleanType MagickResetImagePage(MagickWand *wand, 8476 const char *page) 8477{ 8478 assert(wand != (MagickWand *) NULL); 8479 assert(wand->signature == MagickWandSignature); 8480 if (wand->debug != MagickFalse) 8481 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8482 if (wand->images == (Image *) NULL) 8483 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8484 if ((page == (char *) NULL) || (*page == '\0')) 8485 { 8486 (void) ParseAbsoluteGeometry("0x0+0+0",&wand->images->page); 8487 return(MagickTrue); 8488 } 8489 return(ResetImagePage(wand->images,page)); 8490} 8491 8492/* 8493%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8494% % 8495% % 8496% % 8497% M a g i c k R e s i z e I m a g e % 8498% % 8499% % 8500% % 8501%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8502% 8503% MagickResizeImage() scales an image to the desired dimensions with one of 8504% these filters: 8505% 8506% Bessel Blackman Box 8507% Catrom Cubic Gaussian 8508% Hanning Hermite Lanczos 8509% Mitchell Point Quandratic 8510% Sinc Triangle 8511% 8512% Most of the filters are FIR (finite impulse response), however, Bessel, 8513% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8514% are windowed (brought down to zero) with the Blackman filter. 8515% 8516% The format of the MagickResizeImage method is: 8517% 8518% MagickBooleanType MagickResizeImage(MagickWand *wand, 8519% const size_t columns,const size_t rows,const FilterType filter) 8520% 8521% A description of each parameter follows: 8522% 8523% o wand: the magick wand. 8524% 8525% o columns: the number of columns in the scaled image. 8526% 8527% o rows: the number of rows in the scaled image. 8528% 8529% o filter: Image filter to use. 8530% 8531*/ 8532WandExport MagickBooleanType MagickResizeImage(MagickWand *wand, 8533 const size_t columns,const size_t rows,const FilterType filter) 8534{ 8535 Image 8536 *resize_image; 8537 8538 assert(wand != (MagickWand *) NULL); 8539 assert(wand->signature == MagickWandSignature); 8540 if (wand->debug != MagickFalse) 8541 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8542 if (wand->images == (Image *) NULL) 8543 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8544 resize_image=ResizeImage(wand->images,columns,rows,filter,wand->exception); 8545 if (resize_image == (Image *) NULL) 8546 return(MagickFalse); 8547 ReplaceImageInList(&wand->images,resize_image); 8548 return(MagickTrue); 8549} 8550 8551/* 8552%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8553% % 8554% % 8555% % 8556% M a g i c k R o l l I m a g e % 8557% % 8558% % 8559% % 8560%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8561% 8562% MagickRollImage() offsets an image as defined by x and y. 8563% 8564% The format of the MagickRollImage method is: 8565% 8566% MagickBooleanType MagickRollImage(MagickWand *wand,const ssize_t x, 8567% const size_t y) 8568% 8569% A description of each parameter follows: 8570% 8571% o wand: the magick wand. 8572% 8573% o x: the x offset. 8574% 8575% o y: the y offset. 8576% 8577% 8578*/ 8579WandExport MagickBooleanType MagickRollImage(MagickWand *wand, 8580 const ssize_t x,const ssize_t y) 8581{ 8582 Image 8583 *roll_image; 8584 8585 assert(wand != (MagickWand *) NULL); 8586 assert(wand->signature == MagickWandSignature); 8587 if (wand->debug != MagickFalse) 8588 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8589 if (wand->images == (Image *) NULL) 8590 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8591 roll_image=RollImage(wand->images,x,y,wand->exception); 8592 if (roll_image == (Image *) NULL) 8593 return(MagickFalse); 8594 ReplaceImageInList(&wand->images,roll_image); 8595 return(MagickTrue); 8596} 8597 8598/* 8599%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8600% % 8601% % 8602% % 8603% M a g i c k R o t a t e I m a g e % 8604% % 8605% % 8606% % 8607%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8608% 8609% MagickRotateImage() rotates an image the specified number of degrees. Empty 8610% triangles left over from rotating the image are filled with the 8611% background color. 8612% 8613% The format of the MagickRotateImage method is: 8614% 8615% MagickBooleanType MagickRotateImage(MagickWand *wand, 8616% const PixelWand *background,const double degrees) 8617% 8618% A description of each parameter follows: 8619% 8620% o wand: the magick wand. 8621% 8622% o background: the background pixel wand. 8623% 8624% o degrees: the number of degrees to rotate the image. 8625% 8626% 8627*/ 8628WandExport MagickBooleanType MagickRotateImage(MagickWand *wand, 8629 const PixelWand *background,const double degrees) 8630{ 8631 Image 8632 *rotate_image; 8633 8634 assert(wand != (MagickWand *) NULL); 8635 assert(wand->signature == MagickWandSignature); 8636 if (wand->debug != MagickFalse) 8637 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8638 if (wand->images == (Image *) NULL) 8639 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8640 PixelGetQuantumPacket(background,&wand->images->background_color); 8641 rotate_image=RotateImage(wand->images,degrees,wand->exception); 8642 if (rotate_image == (Image *) NULL) 8643 return(MagickFalse); 8644 ReplaceImageInList(&wand->images,rotate_image); 8645 return(MagickTrue); 8646} 8647 8648/* 8649%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8650% % 8651% % 8652% % 8653% M a g i c k S a m p l e I m a g e % 8654% % 8655% % 8656% % 8657%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8658% 8659% MagickSampleImage() scales an image to the desired dimensions with pixel 8660% sampling. Unlike other scaling methods, this method does not introduce 8661% any additional color into the scaled image. 8662% 8663% The format of the MagickSampleImage method is: 8664% 8665% MagickBooleanType MagickSampleImage(MagickWand *wand, 8666% const size_t columns,const size_t rows) 8667% 8668% A description of each parameter follows: 8669% 8670% o wand: the magick wand. 8671% 8672% o columns: the number of columns in the scaled image. 8673% 8674% o rows: the number of rows in the scaled image. 8675% 8676% 8677*/ 8678WandExport MagickBooleanType MagickSampleImage(MagickWand *wand, 8679 const size_t columns,const size_t rows) 8680{ 8681 Image 8682 *sample_image; 8683 8684 assert(wand != (MagickWand *) NULL); 8685 assert(wand->signature == MagickWandSignature); 8686 if (wand->debug != MagickFalse) 8687 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8688 if (wand->images == (Image *) NULL) 8689 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8690 sample_image=SampleImage(wand->images,columns,rows,wand->exception); 8691 if (sample_image == (Image *) NULL) 8692 return(MagickFalse); 8693 ReplaceImageInList(&wand->images,sample_image); 8694 return(MagickTrue); 8695} 8696 8697/* 8698%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8699% % 8700% % 8701% % 8702% M a g i c k S c a l e I m a g e % 8703% % 8704% % 8705% % 8706%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8707% 8708% MagickScaleImage() scales the size of an image to the given dimensions. 8709% 8710% The format of the MagickScaleImage method is: 8711% 8712% MagickBooleanType MagickScaleImage(MagickWand *wand, 8713% const size_t columns,const size_t rows) 8714% 8715% A description of each parameter follows: 8716% 8717% o wand: the magick wand. 8718% 8719% o columns: the number of columns in the scaled image. 8720% 8721% o rows: the number of rows in the scaled image. 8722% 8723% 8724*/ 8725WandExport MagickBooleanType MagickScaleImage(MagickWand *wand, 8726 const size_t columns,const size_t rows) 8727{ 8728 Image 8729 *scale_image; 8730 8731 assert(wand != (MagickWand *) NULL); 8732 assert(wand->signature == MagickWandSignature); 8733 if (wand->debug != MagickFalse) 8734 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8735 if (wand->images == (Image *) NULL) 8736 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8737 scale_image=ScaleImage(wand->images,columns,rows,wand->exception); 8738 if (scale_image == (Image *) NULL) 8739 return(MagickFalse); 8740 ReplaceImageInList(&wand->images,scale_image); 8741 return(MagickTrue); 8742} 8743 8744/* 8745%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8746% % 8747% % 8748% % 8749% M a g i c k S e g m e n t I m a g e % 8750% % 8751% % 8752% % 8753%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8754% 8755% MagickSegmentImage() segments an image by analyzing the histograms of the 8756% color components and identifying units that are homogeneous with the fuzzy 8757% C-means technique. 8758% 8759% The format of the SegmentImage method is: 8760% 8761% MagickBooleanType MagickSegmentImage(MagickWand *wand, 8762% const ColorspaceType colorspace,const MagickBooleanType verbose, 8763% const double cluster_threshold,const double smooth_threshold) 8764% 8765% A description of each parameter follows. 8766% 8767% o wand: the wand. 8768% 8769% o colorspace: the image colorspace. 8770% 8771% o verbose: Set to MagickTrue to print detailed information about the 8772% identified classes. 8773% 8774% o cluster_threshold: This represents the minimum number of pixels 8775% contained in a hexahedra before it can be considered valid (expressed as 8776% a percentage). 8777% 8778% o smooth_threshold: the smoothing threshold eliminates noise in the second 8779% derivative of the histogram. As the value is increased, you can expect a 8780% smoother second derivative. 8781% 8782*/ 8783MagickExport MagickBooleanType MagickSegmentImage(MagickWand *wand, 8784 const ColorspaceType colorspace,const MagickBooleanType verbose, 8785 const double cluster_threshold,const double smooth_threshold) 8786{ 8787 MagickBooleanType 8788 status; 8789 8790 assert(wand != (MagickWand *) NULL); 8791 assert(wand->signature == MagickWandSignature); 8792 if (wand->debug != MagickFalse) 8793 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8794 if (wand->images == (Image *) NULL) 8795 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8796 status=SegmentImage(wand->images,colorspace,verbose,cluster_threshold, 8797 smooth_threshold,wand->exception); 8798 return(status); 8799} 8800 8801/* 8802%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8803% % 8804% % 8805% % 8806% M a g i c k S e l e c t i v e B l u r I m a g e % 8807% % 8808% % 8809% % 8810%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8811% 8812% MagickSelectiveBlurImage() selectively blur an image within a contrast 8813% threshold. It is similar to the unsharpen mask that sharpens everything with 8814% contrast above a certain threshold. 8815% 8816% The format of the MagickSelectiveBlurImage method is: 8817% 8818% MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8819% const double radius,const double sigma,const double threshold) 8820% 8821% A description of each parameter follows: 8822% 8823% o wand: the magick wand. 8824% 8825% o radius: the radius of the gaussian, in pixels, not counting the center 8826% pixel. 8827% 8828% o sigma: the standard deviation of the gaussian, in pixels. 8829% 8830% o threshold: only pixels within this contrast threshold are included 8831% in the blur operation. 8832% 8833*/ 8834WandExport MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8835 const double radius,const double sigma,const double threshold) 8836{ 8837 Image 8838 *blur_image; 8839 8840 assert(wand != (MagickWand *) NULL); 8841 assert(wand->signature == MagickWandSignature); 8842 if (wand->debug != MagickFalse) 8843 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8844 if (wand->images == (Image *) NULL) 8845 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8846 blur_image=SelectiveBlurImage(wand->images,radius,sigma,threshold, 8847 wand->exception); 8848 if (blur_image == (Image *) NULL) 8849 return(MagickFalse); 8850 ReplaceImageInList(&wand->images,blur_image); 8851 return(MagickTrue); 8852} 8853 8854/* 8855%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8856% % 8857% % 8858% % 8859% M a g i c k S e p a r a t e I m a g e C h a n n e l % 8860% % 8861% % 8862% % 8863%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8864% 8865% MagickSeparateImage() separates a channel from the image and returns a 8866% grayscale image. A channel is a particular color component of each pixel 8867% in the image. 8868% 8869% The format of the MagickSeparateImage method is: 8870% 8871% MagickBooleanType MagickSeparateImage(MagickWand *wand, 8872% const ChannelType channel) 8873% 8874% A description of each parameter follows: 8875% 8876% o wand: the magick wand. 8877% 8878% o channel: the channel. 8879% 8880*/ 8881WandExport MagickBooleanType MagickSeparateImage(MagickWand *wand, 8882 const ChannelType channel) 8883{ 8884 Image 8885 *separate_image; 8886 8887 assert(wand != (MagickWand *) NULL); 8888 assert(wand->signature == MagickWandSignature); 8889 if (wand->debug != MagickFalse) 8890 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8891 if (wand->images == (Image *) NULL) 8892 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8893 separate_image=SeparateImage(wand->images,channel,wand->exception); 8894 if (separate_image == (Image *) NULL) 8895 return(MagickFalse); 8896 ReplaceImageInList(&wand->images,separate_image); 8897 return(MagickTrue); 8898} 8899 8900/* 8901%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8902% % 8903% % 8904% % 8905% M a g i c k S e p i a T o n e I m a g e % 8906% % 8907% % 8908% % 8909%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8910% 8911% MagickSepiaToneImage() applies a special effect to the image, similar to the 8912% effect achieved in a photo darkroom by sepia toning. Threshold ranges from 8913% 0 to QuantumRange and is a measure of the extent of the sepia toning. A 8914% threshold of 80% is a good starting point for a reasonable tone. 8915% 8916% The format of the MagickSepiaToneImage method is: 8917% 8918% MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8919% const double threshold) 8920% 8921% A description of each parameter follows: 8922% 8923% o wand: the magick wand. 8924% 8925% o threshold: Define the extent of the sepia toning. 8926% 8927*/ 8928WandExport MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8929 const double threshold) 8930{ 8931 Image 8932 *sepia_image; 8933 8934 assert(wand != (MagickWand *) NULL); 8935 assert(wand->signature == MagickWandSignature); 8936 if (wand->debug != MagickFalse) 8937 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8938 if (wand->images == (Image *) NULL) 8939 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8940 sepia_image=SepiaToneImage(wand->images,threshold,wand->exception); 8941 if (sepia_image == (Image *) NULL) 8942 return(MagickFalse); 8943 ReplaceImageInList(&wand->images,sepia_image); 8944 return(MagickTrue); 8945} 8946 8947/* 8948%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8949% % 8950% % 8951% % 8952% M a g i c k S e t I m a g e % 8953% % 8954% % 8955% % 8956%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8957% 8958% MagickSetImage() replaces the last image returned by MagickSetIteratorIndex(), 8959% MagickNextImage(), MagickPreviousImage() with the images from the specified 8960% wand. 8961% 8962% The format of the MagickSetImage method is: 8963% 8964% MagickBooleanType MagickSetImage(MagickWand *wand, 8965% const MagickWand *set_wand) 8966% 8967% A description of each parameter follows: 8968% 8969% o wand: the magick wand. 8970% 8971% o set_wand: the set_wand wand. 8972% 8973*/ 8974WandExport MagickBooleanType MagickSetImage(MagickWand *wand, 8975 const MagickWand *set_wand) 8976{ 8977 Image 8978 *images; 8979 8980 assert(wand != (MagickWand *) NULL); 8981 assert(wand->signature == MagickWandSignature); 8982 if (wand->debug != MagickFalse) 8983 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8984 assert(set_wand != (MagickWand *) NULL); 8985 assert(set_wand->signature == MagickWandSignature); 8986 if (wand->debug != MagickFalse) 8987 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",set_wand->name); 8988 if (set_wand->images == (Image *) NULL) 8989 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8990 images=CloneImageList(set_wand->images,wand->exception); 8991 if (images == (Image *) NULL) 8992 return(MagickFalse); 8993 ReplaceImageInList(&wand->images,images); 8994 return(MagickTrue); 8995} 8996 8997/* 8998%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8999% % 9000% % 9001% % 9002% M a g i c k S e t I m a g e A l p h a C h a n n e l % 9003% % 9004% % 9005% % 9006%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9007% 9008% MagickSetImageAlphaChannel() activates, deactivates, resets, or sets the 9009% alpha channel. 9010% 9011% The format of the MagickSetImageAlphaChannel method is: 9012% 9013% MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 9014% const AlphaChannelOption alpha_type) 9015% 9016% A description of each parameter follows: 9017% 9018% o wand: the magick wand. 9019% 9020% o alpha_type: the alpha channel type: ActivateAlphaChannel, 9021% DeactivateAlphaChannel, OpaqueAlphaChannel, or SetAlphaChannel. 9022% 9023*/ 9024WandExport MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 9025 const AlphaChannelOption alpha_type) 9026{ 9027 assert(wand != (MagickWand *) NULL); 9028 assert(wand->signature == MagickWandSignature); 9029 if (wand->debug != MagickFalse) 9030 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9031 if (wand->images == (Image *) NULL) 9032 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9033 return(SetImageAlphaChannel(wand->images,alpha_type,wand->exception)); 9034} 9035 9036/* 9037%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9038% % 9039% % 9040% % 9041% M a g i c k S e t I m a g e A l p h a C o l o r % 9042% % 9043% % 9044% % 9045%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9046% 9047% MagickSetImageAlphaColor() sets the image alpha color. 9048% 9049% The format of the MagickSetImageAlphaColor method is: 9050% 9051% MagickBooleanType MagickSetImageAlphaColor(MagickWand *wand, 9052% const PixelWand *matte) 9053% 9054% A description of each parameter follows: 9055% 9056% o wand: the magick wand. 9057% 9058% o matte: the alpha pixel wand. 9059% 9060*/ 9061WandExport MagickBooleanType MagickSetImageAlphaColor(MagickWand *wand, 9062 const PixelWand *alpha) 9063{ 9064 assert(wand != (MagickWand *)NULL); 9065 assert(wand->signature == MagickWandSignature); 9066 if (wand->debug != MagickFalse) 9067 (void) LogMagickEvent(WandEvent, GetMagickModule(), "%s", wand->name); 9068 if (wand->images == (Image *)NULL) 9069 ThrowWandException(WandError, "ContainsNoImages", wand->name); 9070 PixelGetQuantumPacket(alpha, &wand->images->alpha_color); 9071 return(MagickTrue); 9072} 9073 9074/* 9075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9076% % 9077% % 9078% % 9079% M a g i c k S e t I m a g e B a c k g r o u n d C o l o r % 9080% % 9081% % 9082% % 9083%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9084% 9085% MagickSetImageBackgroundColor() sets the image background color. 9086% 9087% The format of the MagickSetImageBackgroundColor method is: 9088% 9089% MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 9090% const PixelWand *background) 9091% 9092% A description of each parameter follows: 9093% 9094% o wand: the magick wand. 9095% 9096% o background: the background pixel wand. 9097% 9098*/ 9099WandExport MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 9100 const PixelWand *background) 9101{ 9102 assert(wand != (MagickWand *) NULL); 9103 assert(wand->signature == MagickWandSignature); 9104 if (wand->debug != MagickFalse) 9105 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9106 if (wand->images == (Image *) NULL) 9107 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9108 PixelGetQuantumPacket(background,&wand->images->background_color); 9109 return(MagickTrue); 9110} 9111 9112/* 9113%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9114% % 9115% % 9116% % 9117% M a g i c k S e t I m a g e B l u e P r i m a r y % 9118% % 9119% % 9120% % 9121%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9122% 9123% MagickSetImageBluePrimary() sets the image chromaticity blue primary point. 9124% 9125% The format of the MagickSetImageBluePrimary method is: 9126% 9127% MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 9128% const double x,const double y,const double z) 9129% 9130% A description of each parameter follows: 9131% 9132% o wand: the magick wand. 9133% 9134% o x: the blue primary x-point. 9135% 9136% o y: the blue primary y-point. 9137% 9138% o z: the blue primary z-point. 9139% 9140*/ 9141WandExport MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 9142 const double x,const double y,const double z) 9143{ 9144 assert(wand != (MagickWand *) NULL); 9145 assert(wand->signature == MagickWandSignature); 9146 if (wand->debug != MagickFalse) 9147 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9148 if (wand->images == (Image *) NULL) 9149 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9150 wand->images->chromaticity.blue_primary.x=x; 9151 wand->images->chromaticity.blue_primary.y=y; 9152 wand->images->chromaticity.blue_primary.z=z; 9153 return(MagickTrue); 9154} 9155 9156/* 9157%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9158% % 9159% % 9160% % 9161% M a g i c k S e t I m a g e B o r d e r C o l o r % 9162% % 9163% % 9164% % 9165%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9166% 9167% MagickSetImageBorderColor() sets the image border color. 9168% 9169% The format of the MagickSetImageBorderColor method is: 9170% 9171% MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 9172% const PixelWand *border) 9173% 9174% A description of each parameter follows: 9175% 9176% o wand: the magick wand. 9177% 9178% o border: the border pixel wand. 9179% 9180*/ 9181WandExport MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 9182 const PixelWand *border) 9183{ 9184 assert(wand != (MagickWand *) NULL); 9185 assert(wand->signature == MagickWandSignature); 9186 if (wand->debug != MagickFalse) 9187 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9188 if (wand->images == (Image *) NULL) 9189 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9190 PixelGetQuantumPacket(border,&wand->images->border_color); 9191 return(MagickTrue); 9192} 9193 9194/* 9195%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9196% % 9197% % 9198% % 9199% M a g i c k S e t I m a g e C h a n n e l M a s k % 9200% % 9201% % 9202% % 9203%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9204% 9205% MagickSetImageChannelMask() sets image channel mask. 9206% 9207% The format of the MagickSetImageChannelMask method is: 9208% 9209% ChannelType MagickSetImageChannelMask(MagickWand *wand, 9210% const ChannelType channel_mask) 9211% 9212% A description of each parameter follows: 9213% 9214% o wand: the magick wand. 9215% 9216% o channel_mask: the channel_mask wand. 9217% 9218*/ 9219WandExport ChannelType MagickSetImageChannelMask(MagickWand *wand, 9220 const ChannelType channel_mask) 9221{ 9222 assert(wand != (MagickWand *) NULL); 9223 assert(wand->signature == MagickWandSignature); 9224 if (wand->debug != MagickFalse) 9225 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9226 return(SetImageChannelMask(wand->images,channel_mask)); 9227} 9228 9229/* 9230%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9231% % 9232% % 9233% % 9234% M a g i c k S e t I m a g e M a s k % 9235% % 9236% % 9237% % 9238%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9239% 9240% MagickSetImageMask() sets image clip mask. 9241% 9242% The format of the MagickSetImageMask method is: 9243% 9244% MagickBooleanType MagickSetImageMask(MagickWand *wand, 9245% const PixelMask type,const MagickWand *clip_mask) 9246% 9247% A description of each parameter follows: 9248% 9249% o wand: the magick wand. 9250% 9251% o type: type of mask, ReadPixelMask or WritePixelMask. 9252% 9253% o clip_mask: the clip_mask wand. 9254% 9255*/ 9256WandExport MagickBooleanType MagickSetImageMask(MagickWand *wand, 9257 const PixelMask type,const MagickWand *clip_mask) 9258{ 9259 assert(wand != (MagickWand *) NULL); 9260 assert(wand->signature == MagickWandSignature); 9261 if (wand->debug != MagickFalse) 9262 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9263 assert(clip_mask != (MagickWand *) NULL); 9264 assert(clip_mask->signature == MagickWandSignature); 9265 if (clip_mask->debug != MagickFalse) 9266 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clip_mask->name); 9267 if (clip_mask->images == (Image *) NULL) 9268 ThrowWandException(WandError,"ContainsNoImages",clip_mask->name); 9269 return(SetImageMask(wand->images,type,clip_mask->images,wand->exception)); 9270} 9271 9272/* 9273%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9274% % 9275% % 9276% % 9277% M a g i c k S e t I m a g e C o l o r % 9278% % 9279% % 9280% % 9281%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9282% 9283% MagickSetImageColor() set the entire wand canvas to the specified color. 9284% 9285% The format of the MagickSetImageColor method is: 9286% 9287% MagickBooleanType MagickSetImageColor(MagickWand *wand, 9288% const PixelWand *color) 9289% 9290% A description of each parameter follows: 9291% 9292% o wand: the magick wand. 9293% 9294% o background: the image color. 9295% 9296*/ 9297WandExport MagickBooleanType MagickSetImageColor(MagickWand *wand, 9298 const PixelWand *color) 9299{ 9300 PixelInfo 9301 pixel; 9302 9303 assert(wand != (MagickWand *) NULL); 9304 assert(wand->signature == MagickWandSignature); 9305 if (wand->debug != MagickFalse) 9306 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9307 PixelGetMagickColor(color,&pixel); 9308 return(SetImageColor(wand->images,&pixel,wand->exception)); 9309} 9310 9311/* 9312%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9313% % 9314% % 9315% % 9316% M a g i c k S e t I m a g e C o l o r m a p C o l o r % 9317% % 9318% % 9319% % 9320%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9321% 9322% MagickSetImageColormapColor() sets the color of the specified colormap 9323% index. 9324% 9325% The format of the MagickSetImageColormapColor method is: 9326% 9327% MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 9328% const size_t index,const PixelWand *color) 9329% 9330% A description of each parameter follows: 9331% 9332% o wand: the magick wand. 9333% 9334% o index: the offset into the image colormap. 9335% 9336% o color: Return the colormap color in this wand. 9337% 9338*/ 9339WandExport MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 9340 const size_t index,const PixelWand *color) 9341{ 9342 assert(wand != (MagickWand *) NULL); 9343 assert(wand->signature == MagickWandSignature); 9344 if (wand->debug != MagickFalse) 9345 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9346 if (wand->images == (Image *) NULL) 9347 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9348 if ((wand->images->colormap == (PixelInfo *) NULL) || 9349 (index >= wand->images->colors)) 9350 ThrowWandException(WandError,"InvalidColormapIndex",wand->name); 9351 PixelGetQuantumPacket(color,wand->images->colormap+index); 9352 return(SyncImage(wand->images,wand->exception)); 9353} 9354 9355/* 9356%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9357% % 9358% % 9359% % 9360% M a g i c k S e t I m a g e C o l o r s p a c e % 9361% % 9362% % 9363% % 9364%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9365% 9366% MagickSetImageColorspace() sets the image colorspace. But does not modify 9367% the image data. 9368% 9369% The format of the MagickSetImageColorspace method is: 9370% 9371% MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 9372% const ColorspaceType colorspace) 9373% 9374% A description of each parameter follows: 9375% 9376% o wand: the magick wand. 9377% 9378% o colorspace: the image colorspace: UndefinedColorspace, RGBColorspace, 9379% GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, 9380% YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, 9381% YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, 9382% HSLColorspace, or HWBColorspace. 9383% 9384*/ 9385WandExport MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 9386 const ColorspaceType colorspace) 9387{ 9388 assert(wand != (MagickWand *) NULL); 9389 assert(wand->signature == MagickWandSignature); 9390 if (wand->debug != MagickFalse) 9391 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9392 if (wand->images == (Image *) NULL) 9393 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9394 return(SetImageColorspace(wand->images,colorspace,wand->exception)); 9395} 9396 9397/* 9398%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9399% % 9400% % 9401% % 9402% M a g i c k S e t I m a g e C o m p o s e % 9403% % 9404% % 9405% % 9406%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9407% 9408% MagickSetImageCompose() sets the image composite operator, useful for 9409% specifying how to composite the image thumbnail when using the 9410% MagickMontageImage() method. 9411% 9412% The format of the MagickSetImageCompose method is: 9413% 9414% MagickBooleanType MagickSetImageCompose(MagickWand *wand, 9415% const CompositeOperator compose) 9416% 9417% A description of each parameter follows: 9418% 9419% o wand: the magick wand. 9420% 9421% o compose: the image composite operator. 9422% 9423*/ 9424WandExport MagickBooleanType MagickSetImageCompose(MagickWand *wand, 9425 const CompositeOperator compose) 9426{ 9427 assert(wand != (MagickWand *) NULL); 9428 assert(wand->signature == MagickWandSignature); 9429 if (wand->debug != MagickFalse) 9430 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9431 if (wand->images == (Image *) NULL) 9432 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9433 wand->images->compose=compose; 9434 return(MagickTrue); 9435} 9436 9437/* 9438%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9439% % 9440% % 9441% % 9442% M a g i c k S e t I m a g e C o m p r e s s i o n % 9443% % 9444% % 9445% % 9446%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9447% 9448% MagickSetImageCompression() sets the image compression. 9449% 9450% The format of the MagickSetImageCompression method is: 9451% 9452% MagickBooleanType MagickSetImageCompression(MagickWand *wand, 9453% const CompressionType compression) 9454% 9455% A description of each parameter follows: 9456% 9457% o wand: the magick wand. 9458% 9459% o compression: the image compression type. 9460% 9461*/ 9462WandExport MagickBooleanType MagickSetImageCompression(MagickWand *wand, 9463 const CompressionType compression) 9464{ 9465 assert(wand != (MagickWand *) NULL); 9466 assert(wand->signature == MagickWandSignature); 9467 if (wand->debug != MagickFalse) 9468 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9469 if (wand->images == (Image *) NULL) 9470 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9471 wand->images->compression=compression; 9472 return(MagickTrue); 9473} 9474 9475/* 9476%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9477% % 9478% % 9479% % 9480% M a g i c k S e t I m a g e C o m p r e s s i o n Q u a l i t y % 9481% % 9482% % 9483% % 9484%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9485% 9486% MagickSetImageCompressionQuality() sets the image compression quality. 9487% 9488% The format of the MagickSetImageCompressionQuality method is: 9489% 9490% MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 9491% const size_t quality) 9492% 9493% A description of each parameter follows: 9494% 9495% o wand: the magick wand. 9496% 9497% o quality: the image compression tlityype. 9498% 9499*/ 9500WandExport MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 9501 const size_t quality) 9502{ 9503 assert(wand != (MagickWand *) NULL); 9504 assert(wand->signature == MagickWandSignature); 9505 if (wand->debug != MagickFalse) 9506 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9507 if (wand->images == (Image *) NULL) 9508 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9509 wand->images->quality=quality; 9510 return(MagickTrue); 9511} 9512 9513/* 9514%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9515% % 9516% % 9517% % 9518% M a g i c k S e t I m a g e D e l a y % 9519% % 9520% % 9521% % 9522%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9523% 9524% MagickSetImageDelay() sets the image delay. 9525% 9526% The format of the MagickSetImageDelay method is: 9527% 9528% MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9529% const size_t delay) 9530% 9531% A description of each parameter follows: 9532% 9533% o wand: the magick wand. 9534% 9535% o delay: the image delay in ticks-per-second units. 9536% 9537*/ 9538WandExport MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9539 const size_t delay) 9540{ 9541 assert(wand != (MagickWand *) NULL); 9542 assert(wand->signature == MagickWandSignature); 9543 if (wand->debug != MagickFalse) 9544 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9545 if (wand->images == (Image *) NULL) 9546 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9547 wand->images->delay=delay; 9548 return(MagickTrue); 9549} 9550 9551/* 9552%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9553% % 9554% % 9555% % 9556% M a g i c k S e t I m a g e D e p t h % 9557% % 9558% % 9559% % 9560%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9561% 9562% MagickSetImageDepth() sets the image depth. 9563% 9564% The format of the MagickSetImageDepth method is: 9565% 9566% MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9567% const size_t depth) 9568% 9569% A description of each parameter follows: 9570% 9571% o wand: the magick wand. 9572% 9573% o depth: the image depth in bits: 8, 16, or 32. 9574% 9575*/ 9576WandExport MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9577 const size_t depth) 9578{ 9579 assert(wand != (MagickWand *) NULL); 9580 assert(wand->signature == MagickWandSignature); 9581 if (wand->debug != MagickFalse) 9582 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9583 if (wand->images == (Image *) NULL) 9584 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9585 return(SetImageDepth(wand->images,depth,wand->exception)); 9586} 9587 9588/* 9589%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9590% % 9591% % 9592% % 9593% M a g i c k S e t I m a g e D i s p o s e % 9594% % 9595% % 9596% % 9597%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9598% 9599% MagickSetImageDispose() sets the image disposal method. 9600% 9601% The format of the MagickSetImageDispose method is: 9602% 9603% MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9604% const DisposeType dispose) 9605% 9606% A description of each parameter follows: 9607% 9608% o wand: the magick wand. 9609% 9610% o dispose: the image disposeal type. 9611% 9612*/ 9613WandExport MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9614 const DisposeType dispose) 9615{ 9616 assert(wand != (MagickWand *) NULL); 9617 assert(wand->signature == MagickWandSignature); 9618 if (wand->debug != MagickFalse) 9619 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9620 if (wand->images == (Image *) NULL) 9621 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9622 wand->images->dispose=dispose; 9623 return(MagickTrue); 9624} 9625 9626/* 9627%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9628% % 9629% % 9630% % 9631% M a g i c k S e t I m a g e E n d i a n % 9632% % 9633% % 9634% % 9635%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9636% 9637% MagickSetImageEndian() sets the image endian method. 9638% 9639% The format of the MagickSetImageEndian method is: 9640% 9641% MagickBooleanType MagickSetImageEndian(MagickWand *wand, 9642% const EndianType endian) 9643% 9644% A description of each parameter follows: 9645% 9646% o wand: the magick wand. 9647% 9648% o endian: the image endian type. 9649% 9650*/ 9651WandExport MagickBooleanType MagickSetImageEndian(MagickWand *wand, 9652 const EndianType endian) 9653{ 9654 assert(wand != (MagickWand *) NULL); 9655 assert(wand->signature == MagickWandSignature); 9656 if (wand->debug != MagickFalse) 9657 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9658 if (wand->images == (Image *) NULL) 9659 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9660 wand->images->endian=endian; 9661 return(MagickTrue); 9662} 9663 9664/* 9665%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9666% % 9667% % 9668% % 9669% M a g i c k S e t I m a g e E x t e n t % 9670% % 9671% % 9672% % 9673%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9674% 9675% MagickSetImageExtent() sets the image size (i.e. columns & rows). 9676% 9677% The format of the MagickSetImageExtent method is: 9678% 9679% MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9680% const size_t columns,const unsigned rows) 9681% 9682% A description of each parameter follows: 9683% 9684% o wand: the magick wand. 9685% 9686% o columns: The image width in pixels. 9687% 9688% o rows: The image height in pixels. 9689% 9690*/ 9691WandExport MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9692 const size_t columns,const size_t rows) 9693{ 9694 assert(wand != (MagickWand *) NULL); 9695 assert(wand->signature == MagickWandSignature); 9696 if (wand->debug != MagickFalse) 9697 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9698 if (wand->images == (Image *) NULL) 9699 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9700 return(SetImageExtent(wand->images,columns,rows,wand->exception)); 9701} 9702 9703/* 9704%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9705% % 9706% % 9707% % 9708% M a g i c k S e t I m a g e F i l e n a m e % 9709% % 9710% % 9711% % 9712%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9713% 9714% MagickSetImageFilename() sets the filename of a particular image in a 9715% sequence. 9716% 9717% The format of the MagickSetImageFilename method is: 9718% 9719% MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9720% const char *filename) 9721% 9722% A description of each parameter follows: 9723% 9724% o wand: the magick wand. 9725% 9726% o filename: the image filename. 9727% 9728*/ 9729WandExport MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9730 const char *filename) 9731{ 9732 assert(wand != (MagickWand *) NULL); 9733 assert(wand->signature == MagickWandSignature); 9734 if (wand->debug != MagickFalse) 9735 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9736 if (wand->images == (Image *) NULL) 9737 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9738 if (filename != (const char *) NULL) 9739 (void) CopyMagickString(wand->images->filename,filename,MagickPathExtent); 9740 return(MagickTrue); 9741} 9742 9743/* 9744%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9745% % 9746% % 9747% % 9748% M a g i c k S e t I m a g e F o r m a t % 9749% % 9750% % 9751% % 9752%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9753% 9754% MagickSetImageFormat() sets the format of a particular image in a 9755% sequence. 9756% 9757% The format of the MagickSetImageFormat method is: 9758% 9759% MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9760% const char *format) 9761% 9762% A description of each parameter follows: 9763% 9764% o wand: the magick wand. 9765% 9766% o format: the image format. 9767% 9768*/ 9769WandExport MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9770 const char *format) 9771{ 9772 const MagickInfo 9773 *magick_info; 9774 9775 assert(wand != (MagickWand *) NULL); 9776 assert(wand->signature == MagickWandSignature); 9777 if (wand->debug != MagickFalse) 9778 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9779 if (wand->images == (Image *) NULL) 9780 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9781 if ((format == (char *) NULL) || (*format == '\0')) 9782 { 9783 *wand->images->magick='\0'; 9784 return(MagickTrue); 9785 } 9786 magick_info=GetMagickInfo(format,wand->exception); 9787 if (magick_info == (const MagickInfo *) NULL) 9788 return(MagickFalse); 9789 ClearMagickException(wand->exception); 9790 (void) CopyMagickString(wand->images->magick,format,MagickPathExtent); 9791 return(MagickTrue); 9792} 9793 9794/* 9795%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9796% % 9797% % 9798% % 9799% M a g i c k S e t I m a g e F u z z % 9800% % 9801% % 9802% % 9803%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9804% 9805% MagickSetImageFuzz() sets the image fuzz. 9806% 9807% The format of the MagickSetImageFuzz method is: 9808% 9809% MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9810% const double fuzz) 9811% 9812% A description of each parameter follows: 9813% 9814% o wand: the magick wand. 9815% 9816% o fuzz: the image fuzz. 9817% 9818*/ 9819WandExport MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9820 const double fuzz) 9821{ 9822 assert(wand != (MagickWand *) NULL); 9823 assert(wand->signature == MagickWandSignature); 9824 if (wand->debug != MagickFalse) 9825 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9826 if (wand->images == (Image *) NULL) 9827 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9828 wand->images->fuzz=fuzz; 9829 return(MagickTrue); 9830} 9831 9832/* 9833%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9834% % 9835% % 9836% % 9837% M a g i c k S e t I m a g e G a m m a % 9838% % 9839% % 9840% % 9841%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9842% 9843% MagickSetImageGamma() sets the image gamma. 9844% 9845% The format of the MagickSetImageGamma method is: 9846% 9847% MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9848% const double gamma) 9849% 9850% A description of each parameter follows: 9851% 9852% o wand: the magick wand. 9853% 9854% o gamma: the image gamma. 9855% 9856*/ 9857WandExport MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9858 const double gamma) 9859{ 9860 assert(wand != (MagickWand *) NULL); 9861 assert(wand->signature == MagickWandSignature); 9862 if (wand->debug != MagickFalse) 9863 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9864 if (wand->images == (Image *) NULL) 9865 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9866 wand->images->gamma=gamma; 9867 return(MagickTrue); 9868} 9869 9870/* 9871%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9872% % 9873% % 9874% % 9875% M a g i c k S e t I m a g e G r a v i t y % 9876% % 9877% % 9878% % 9879%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9880% 9881% MagickSetImageGravity() sets the image gravity type. 9882% 9883% The format of the MagickSetImageGravity method is: 9884% 9885% MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9886% const GravityType gravity) 9887% 9888% A description of each parameter follows: 9889% 9890% o wand: the magick wand. 9891% 9892% o gravity: positioning gravity (NorthWestGravity, NorthGravity, 9893% NorthEastGravity, WestGravity, CenterGravity, 9894% EastGravity, SouthWestGravity, SouthGravity, 9895% SouthEastGravity) 9896% 9897*/ 9898WandExport MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9899 const GravityType gravity) 9900{ 9901 assert(wand != (MagickWand *) NULL); 9902 assert(wand->signature == MagickWandSignature); 9903 if (wand->debug != MagickFalse) 9904 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9905 if (wand->images == (Image *) NULL) 9906 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9907 wand->images->gravity=gravity; 9908 return(MagickTrue); 9909} 9910 9911/* 9912%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9913% % 9914% % 9915% % 9916% M a g i c k S e t I m a g e G r e e n P r i m a r y % 9917% % 9918% % 9919% % 9920%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9921% 9922% MagickSetImageGreenPrimary() sets the image chromaticity green primary 9923% point. 9924% 9925% The format of the MagickSetImageGreenPrimary method is: 9926% 9927% MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9928% const double x,const double y,const double z) 9929% 9930% A description of each parameter follows: 9931% 9932% o wand: the magick wand. 9933% 9934% o x: the green primary x-point. 9935% 9936% o y: the green primary y-point. 9937% 9938% o z: the green primary z-point. 9939% 9940*/ 9941WandExport MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9942 const double x,const double y,const double z) 9943{ 9944 assert(wand != (MagickWand *) NULL); 9945 assert(wand->signature == MagickWandSignature); 9946 if (wand->debug != MagickFalse) 9947 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9948 if (wand->images == (Image *) NULL) 9949 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9950 wand->images->chromaticity.green_primary.x=x; 9951 wand->images->chromaticity.green_primary.y=y; 9952 wand->images->chromaticity.green_primary.z=z; 9953 return(MagickTrue); 9954} 9955 9956/* 9957%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9958% % 9959% % 9960% % 9961% M a g i c k S e t I m a g e I n t e r l a c e S c h e m e % 9962% % 9963% % 9964% % 9965%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9966% 9967% MagickSetImageInterlaceScheme() sets the image interlace scheme. 9968% 9969% The format of the MagickSetImageInterlaceScheme method is: 9970% 9971% MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9972% const InterlaceType interlace) 9973% 9974% A description of each parameter follows: 9975% 9976% o wand: the magick wand. 9977% 9978% o interlace: the image interlace scheme: NoInterlace, LineInterlace, 9979% PlaneInterlace, PartitionInterlace. 9980% 9981*/ 9982WandExport MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9983 const InterlaceType interlace) 9984{ 9985 assert(wand != (MagickWand *) NULL); 9986 assert(wand->signature == MagickWandSignature); 9987 if (wand->debug != MagickFalse) 9988 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9989 if (wand->images == (Image *) NULL) 9990 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9991 wand->images->interlace=interlace; 9992 return(MagickTrue); 9993} 9994 9995/* 9996%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9997% % 9998% % 9999% % 10000% M a g i c k S e t I m a g e I n t e r p o l a t e M e t h o d % 10001% % 10002% % 10003% % 10004%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10005% 10006% MagickSetImagePixelInterpolateMethod() sets the image interpolate pixel 10007% method. 10008% 10009% The format of the MagickSetImagePixelInterpolateMethod method is: 10010% 10011% MagickBooleanType MagickSetImagePixelInterpolateMethod(MagickWand *wand, 10012% const PixelInterpolateMethod method) 10013% 10014% A description of each parameter follows: 10015% 10016% o wand: the magick wand. 10017% 10018% o method: the image interpole pixel methods: choose from Undefined, 10019% Average, Bicubic, Bilinear, Filter, Integer, Mesh, NearestNeighbor. 10020% 10021*/ 10022WandExport MagickBooleanType MagickSetImagePixelInterpolateMethod( 10023 MagickWand *wand,const PixelInterpolateMethod method) 10024{ 10025 assert(wand != (MagickWand *) NULL); 10026 assert(wand->signature == MagickWandSignature); 10027 if (wand->debug != MagickFalse) 10028 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10029 if (wand->images == (Image *) NULL) 10030 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10031 wand->images->interpolate=method; 10032 return(MagickTrue); 10033} 10034 10035/* 10036%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10037% % 10038% % 10039% % 10040% M a g i c k S e t I m a g e I t e r a t i o n s % 10041% % 10042% % 10043% % 10044%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10045% 10046% MagickSetImageIterations() sets the image iterations. 10047% 10048% The format of the MagickSetImageIterations method is: 10049% 10050% MagickBooleanType MagickSetImageIterations(MagickWand *wand, 10051% const size_t iterations) 10052% 10053% A description of each parameter follows: 10054% 10055% o wand: the magick wand. 10056% 10057% o delay: the image delay in 1/100th of a second. 10058% 10059*/ 10060WandExport MagickBooleanType MagickSetImageIterations(MagickWand *wand, 10061 const size_t iterations) 10062{ 10063 assert(wand != (MagickWand *) NULL); 10064 assert(wand->signature == MagickWandSignature); 10065 if (wand->debug != MagickFalse) 10066 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10067 if (wand->images == (Image *) NULL) 10068 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10069 wand->images->iterations=iterations; 10070 return(MagickTrue); 10071} 10072 10073/* 10074%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10075% % 10076% % 10077% % 10078% M a g i c k S e t I m a g e M a t t e % 10079% % 10080% % 10081% % 10082%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10083% 10084% MagickSetImageMatte() sets the image matte channel. 10085% 10086% The format of the MagickSetImageMatte method is: 10087% 10088% MagickBooleanType MagickSetImageMatte(MagickWand *wand, 10089% const MagickBooleanType *matte) 10090% 10091% A description of each parameter follows: 10092% 10093% o wand: the magick wand. 10094% 10095% o matte: Set to MagickTrue to enable the image matte channel otherwise 10096% MagickFalse. 10097% 10098*/ 10099WandExport MagickBooleanType MagickSetImageMatte(MagickWand *wand, 10100 const MagickBooleanType matte) 10101{ 10102 assert(wand != (MagickWand *) NULL); 10103 assert(wand->signature == MagickWandSignature); 10104 if (wand->debug != MagickFalse) 10105 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10106 if (wand->images == (Image *) NULL) 10107 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10108 if (matte == MagickFalse) 10109 wand->images->alpha_trait=UndefinedPixelTrait; 10110 else 10111 { 10112 if (wand->images->alpha_trait == UndefinedPixelTrait) 10113 (void) SetImageAlpha(wand->images,OpaqueAlpha,wand->exception); 10114 wand->images->alpha_trait=BlendPixelTrait; 10115 } 10116 return(MagickTrue); 10117} 10118 10119/* 10120%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10121% % 10122% % 10123% % 10124% M a g i c k S e t I m a g e O p a c i t y % 10125% % 10126% % 10127% % 10128%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10129% 10130% MagickSetImageAlpha() sets the image to the specified alpha level. 10131% 10132% The format of the MagickSetImageAlpha method is: 10133% 10134% MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 10135% const double alpha) 10136% 10137% A description of each parameter follows: 10138% 10139% o wand: the magick wand. 10140% 10141% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 10142% transparent. 10143% 10144*/ 10145WandExport MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 10146 const double alpha) 10147{ 10148 MagickBooleanType 10149 status; 10150 10151 assert(wand != (MagickWand *) NULL); 10152 assert(wand->signature == MagickWandSignature); 10153 if (wand->debug != MagickFalse) 10154 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10155 if (wand->images == (Image *) NULL) 10156 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10157 status=SetImageAlpha(wand->images,ClampToQuantum(QuantumRange*alpha), 10158 wand->exception); 10159 return(status); 10160} 10161 10162/* 10163%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10164% % 10165% % 10166% % 10167% M a g i c k S e t I m a g e O r i e n t a t i o n % 10168% % 10169% % 10170% % 10171%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10172% 10173% MagickSetImageOrientation() sets the image orientation. 10174% 10175% The format of the MagickSetImageOrientation method is: 10176% 10177% MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 10178% const OrientationType orientation) 10179% 10180% A description of each parameter follows: 10181% 10182% o wand: the magick wand. 10183% 10184% o orientation: the image orientation type. 10185% 10186*/ 10187WandExport MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 10188 const OrientationType orientation) 10189{ 10190 assert(wand != (MagickWand *) NULL); 10191 assert(wand->signature == MagickWandSignature); 10192 if (wand->debug != MagickFalse) 10193 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10194 if (wand->images == (Image *) NULL) 10195 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10196 wand->images->orientation=orientation; 10197 return(MagickTrue); 10198} 10199 10200/* 10201%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10202% % 10203% % 10204% % 10205% M a g i c k S e t I m a g e P a g e % 10206% % 10207% % 10208% % 10209%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10210% 10211% MagickSetImagePage() sets the page geometry of the image. 10212% 10213% The format of the MagickSetImagePage method is: 10214% 10215% MagickBooleanType MagickSetImagePage(MagickWand *wand,const size_t width,% const size_t height,const ssize_t x,const ssize_t y) 10216% 10217% A description of each parameter follows: 10218% 10219% o wand: the magick wand. 10220% 10221% o width: the page width. 10222% 10223% o height: the page height. 10224% 10225% o x: the page x-offset. 10226% 10227% o y: the page y-offset. 10228% 10229*/ 10230WandExport MagickBooleanType MagickSetImagePage(MagickWand *wand, 10231 const size_t width,const size_t height,const ssize_t x, 10232 const ssize_t y) 10233{ 10234 assert(wand != (MagickWand *) NULL); 10235 assert(wand->signature == MagickWandSignature); 10236 if (wand->debug != MagickFalse) 10237 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10238 if (wand->images == (Image *) NULL) 10239 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10240 wand->images->page.width=width; 10241 wand->images->page.height=height; 10242 wand->images->page.x=x; 10243 wand->images->page.y=y; 10244 return(MagickTrue); 10245} 10246 10247/* 10248%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10249% % 10250% % 10251% % 10252% M a g i c k S e t I m a g e P r o g r e s s M o n i t o r % 10253% % 10254% % 10255% % 10256%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10257% 10258% MagickSetImageProgressMonitor() sets the wand image progress monitor to the 10259% specified method and returns the previous progress monitor if any. The 10260% progress monitor method looks like this: 10261% 10262% MagickBooleanType MagickProgressMonitor(const char *text, 10263% const MagickOffsetType offset,const MagickSizeType span, 10264% void *client_data) 10265% 10266% If the progress monitor returns MagickFalse, the current operation is 10267% interrupted. 10268% 10269% The format of the MagickSetImageProgressMonitor method is: 10270% 10271% MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand 10272% const MagickProgressMonitor progress_monitor,void *client_data) 10273% 10274% A description of each parameter follows: 10275% 10276% o wand: the magick wand. 10277% 10278% o progress_monitor: Specifies a pointer to a method to monitor progress 10279% of an image operation. 10280% 10281% o client_data: Specifies a pointer to any client data. 10282% 10283*/ 10284WandExport MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand, 10285 const MagickProgressMonitor progress_monitor,void *client_data) 10286{ 10287 MagickProgressMonitor 10288 previous_monitor; 10289 10290 assert(wand != (MagickWand *) NULL); 10291 assert(wand->signature == MagickWandSignature); 10292 if (wand->debug != MagickFalse) 10293 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10294 if (wand->images == (Image *) NULL) 10295 { 10296 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10297 "ContainsNoImages","`%s'",wand->name); 10298 return((MagickProgressMonitor) NULL); 10299 } 10300 previous_monitor=SetImageProgressMonitor(wand->images, 10301 progress_monitor,client_data); 10302 return(previous_monitor); 10303} 10304 10305/* 10306%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10307% % 10308% % 10309% % 10310% M a g i c k S e t I m a g e R e d P r i m a r y % 10311% % 10312% % 10313% % 10314%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10315% 10316% MagickSetImageRedPrimary() sets the image chromaticity red primary point. 10317% 10318% The format of the MagickSetImageRedPrimary method is: 10319% 10320% MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 10321% const double x,const double y,const double z) 10322% 10323% A description of each parameter follows: 10324% 10325% o wand: the magick wand. 10326% 10327% o x: the red primary x-point. 10328% 10329% o y: the red primary y-point. 10330% 10331% o z: the red primary z-point. 10332% 10333*/ 10334WandExport MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 10335 const double x,const double y,const double z) 10336{ 10337 assert(wand != (MagickWand *) NULL); 10338 assert(wand->signature == MagickWandSignature); 10339 if (wand->debug != MagickFalse) 10340 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10341 if (wand->images == (Image *) NULL) 10342 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10343 wand->images->chromaticity.red_primary.x=x; 10344 wand->images->chromaticity.red_primary.y=y; 10345 wand->images->chromaticity.red_primary.z=z; 10346 return(MagickTrue); 10347} 10348 10349/* 10350%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10351% % 10352% % 10353% % 10354% M a g i c k S e t I m a g e R e n d e r i n g I n t e n t % 10355% % 10356% % 10357% % 10358%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10359% 10360% MagickSetImageRenderingIntent() sets the image rendering intent. 10361% 10362% The format of the MagickSetImageRenderingIntent method is: 10363% 10364% MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 10365% const RenderingIntent rendering_intent) 10366% 10367% A description of each parameter follows: 10368% 10369% o wand: the magick wand. 10370% 10371% o rendering_intent: the image rendering intent: UndefinedIntent, 10372% SaturationIntent, PerceptualIntent, AbsoluteIntent, or RelativeIntent. 10373% 10374*/ 10375WandExport MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 10376 const RenderingIntent rendering_intent) 10377{ 10378 assert(wand != (MagickWand *) NULL); 10379 assert(wand->signature == MagickWandSignature); 10380 if (wand->debug != MagickFalse) 10381 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10382 if (wand->images == (Image *) NULL) 10383 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10384 wand->images->rendering_intent=rendering_intent; 10385 return(MagickTrue); 10386} 10387 10388/* 10389%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10390% % 10391% % 10392% % 10393% M a g i c k S e t I m a g e R e s o l u t i o n % 10394% % 10395% % 10396% % 10397%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10398% 10399% MagickSetImageResolution() sets the image resolution. 10400% 10401% The format of the MagickSetImageResolution method is: 10402% 10403% MagickBooleanType MagickSetImageResolution(MagickWand *wand, 10404% const double x_resolution,const double y_resolution) 10405% 10406% A description of each parameter follows: 10407% 10408% o wand: the magick wand. 10409% 10410% o x_resolution: the image x resolution. 10411% 10412% o y_resolution: the image y resolution. 10413% 10414*/ 10415WandExport MagickBooleanType MagickSetImageResolution(MagickWand *wand, 10416 const double x_resolution,const double y_resolution) 10417{ 10418 assert(wand != (MagickWand *) NULL); 10419 assert(wand->signature == MagickWandSignature); 10420 if (wand->debug != MagickFalse) 10421 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10422 if (wand->images == (Image *) NULL) 10423 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10424 wand->images->resolution.x=x_resolution; 10425 wand->images->resolution.y=y_resolution; 10426 return(MagickTrue); 10427} 10428 10429/* 10430%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10431% % 10432% % 10433% % 10434% M a g i c k S e t I m a g e S c e n e % 10435% % 10436% % 10437% % 10438%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10439% 10440% MagickSetImageScene() sets the image scene. 10441% 10442% The format of the MagickSetImageScene method is: 10443% 10444% MagickBooleanType MagickSetImageScene(MagickWand *wand, 10445% const size_t scene) 10446% 10447% A description of each parameter follows: 10448% 10449% o wand: the magick wand. 10450% 10451% o delay: the image scene number. 10452% 10453*/ 10454WandExport MagickBooleanType MagickSetImageScene(MagickWand *wand, 10455 const size_t scene) 10456{ 10457 assert(wand != (MagickWand *) NULL); 10458 assert(wand->signature == MagickWandSignature); 10459 if (wand->debug != MagickFalse) 10460 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10461 if (wand->images == (Image *) NULL) 10462 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10463 wand->images->scene=scene; 10464 return(MagickTrue); 10465} 10466 10467/* 10468%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10469% % 10470% % 10471% % 10472% M a g i c k S e t I m a g e T i c k s P e r S e c o n d % 10473% % 10474% % 10475% % 10476%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10477% 10478% MagickSetImageTicksPerSecond() sets the image ticks-per-second. 10479% 10480% The format of the MagickSetImageTicksPerSecond method is: 10481% 10482% MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 10483% const ssize_t ticks_per-second) 10484% 10485% A description of each parameter follows: 10486% 10487% o wand: the magick wand. 10488% 10489% o ticks_per_second: the units to use for the image delay. 10490% 10491*/ 10492WandExport MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 10493 const ssize_t ticks_per_second) 10494{ 10495 assert(wand != (MagickWand *) NULL); 10496 assert(wand->signature == MagickWandSignature); 10497 if (wand->debug != MagickFalse) 10498 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10499 if (wand->images == (Image *) NULL) 10500 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10501 wand->images->ticks_per_second=ticks_per_second; 10502 return(MagickTrue); 10503} 10504 10505/* 10506%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10507% % 10508% % 10509% % 10510% M a g i c k S e t I m a g e T y p e % 10511% % 10512% % 10513% % 10514%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10515% 10516% MagickSetImageType() sets the image type. 10517% 10518% The format of the MagickSetImageType method is: 10519% 10520% MagickBooleanType MagickSetImageType(MagickWand *wand, 10521% const ImageType image_type) 10522% 10523% A description of each parameter follows: 10524% 10525% o wand: the magick wand. 10526% 10527% o image_type: the image type: UndefinedType, BilevelType, GrayscaleType, 10528% GrayscaleAlphaType, PaletteType, PaletteAlphaType, TrueColorType, 10529% TrueColorAlphaType, ColorSeparationType, ColorSeparationAlphaType, 10530% or OptimizeType. 10531% 10532*/ 10533WandExport MagickBooleanType MagickSetImageType(MagickWand *wand, 10534 const ImageType image_type) 10535{ 10536 assert(wand != (MagickWand *) NULL); 10537 assert(wand->signature == MagickWandSignature); 10538 if (wand->debug != MagickFalse) 10539 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10540 if (wand->images == (Image *) NULL) 10541 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10542 return(SetImageType(wand->images,image_type,wand->exception)); 10543} 10544 10545/* 10546%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10547% % 10548% % 10549% % 10550% M a g i c k S e t I m a g e U n i t s % 10551% % 10552% % 10553% % 10554%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10555% 10556% MagickSetImageUnits() sets the image units of resolution. 10557% 10558% The format of the MagickSetImageUnits method is: 10559% 10560% MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10561% const ResolutionType units) 10562% 10563% A description of each parameter follows: 10564% 10565% o wand: the magick wand. 10566% 10567% o units: the image units of resolution : UndefinedResolution, 10568% PixelsPerInchResolution, or PixelsPerCentimeterResolution. 10569% 10570*/ 10571WandExport MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10572 const ResolutionType units) 10573{ 10574 assert(wand != (MagickWand *) NULL); 10575 assert(wand->signature == MagickWandSignature); 10576 if (wand->debug != MagickFalse) 10577 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10578 if (wand->images == (Image *) NULL) 10579 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10580 wand->images->units=units; 10581 return(MagickTrue); 10582} 10583 10584/* 10585%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10586% % 10587% % 10588% % 10589% M a g i c k S e t I m a g e V i r t u a l P i x e l M e t h o d % 10590% % 10591% % 10592% % 10593%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10594% 10595% MagickSetImageVirtualPixelMethod() sets the image virtual pixel method. 10596% 10597% The format of the MagickSetImageVirtualPixelMethod method is: 10598% 10599% VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10600% const VirtualPixelMethod method) 10601% 10602% A description of each parameter follows: 10603% 10604% o wand: the magick wand. 10605% 10606% o method: the image virtual pixel method : UndefinedVirtualPixelMethod, 10607% ConstantVirtualPixelMethod, EdgeVirtualPixelMethod, 10608% MirrorVirtualPixelMethod, or TileVirtualPixelMethod. 10609% 10610*/ 10611WandExport VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10612 const VirtualPixelMethod method) 10613{ 10614 assert(wand != (MagickWand *) NULL); 10615 assert(wand->signature == MagickWandSignature); 10616 if (wand->debug != MagickFalse) 10617 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10618 if (wand->images == (Image *) NULL) 10619 return(UndefinedVirtualPixelMethod); 10620 return(SetImageVirtualPixelMethod(wand->images,method,wand->exception)); 10621} 10622 10623/* 10624%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10625% % 10626% % 10627% % 10628% M a g i c k S e t I m a g e W h i t e P o i n t % 10629% % 10630% % 10631% % 10632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10633% 10634% MagickSetImageWhitePoint() sets the image chromaticity white point. 10635% 10636% The format of the MagickSetImageWhitePoint method is: 10637% 10638% MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10639% const double x,const double y,const double z) 10640% 10641% A description of each parameter follows: 10642% 10643% o wand: the magick wand. 10644% 10645% o x: the white x-point. 10646% 10647% o y: the white y-point. 10648% 10649% o z: the white z-point. 10650% 10651*/ 10652WandExport MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10653 const double x,const double y,const double z) 10654{ 10655 assert(wand != (MagickWand *) NULL); 10656 assert(wand->signature == MagickWandSignature); 10657 if (wand->debug != MagickFalse) 10658 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10659 if (wand->images == (Image *) NULL) 10660 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10661 wand->images->chromaticity.white_point.x=x; 10662 wand->images->chromaticity.white_point.y=y; 10663 wand->images->chromaticity.white_point.z=z; 10664 return(MagickTrue); 10665} 10666 10667/* 10668%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10669% % 10670% % 10671% % 10672% M a g i c k S h a d e I m a g e C h a n n e l % 10673% % 10674% % 10675% % 10676%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10677% 10678% MagickShadeImage() shines a distant light on an image to create a 10679% three-dimensional effect. You control the positioning of the light with 10680% azimuth and elevation; azimuth is measured in degrees off the x axis 10681% and elevation is measured in pixels above the Z axis. 10682% 10683% The format of the MagickShadeImage method is: 10684% 10685% MagickBooleanType MagickShadeImage(MagickWand *wand, 10686% const MagickBooleanType gray,const double azimuth, 10687% const double elevation) 10688% 10689% A description of each parameter follows: 10690% 10691% o wand: the magick wand. 10692% 10693% o gray: A value other than zero shades the intensity of each pixel. 10694% 10695% o azimuth, elevation: Define the light source direction. 10696% 10697*/ 10698WandExport MagickBooleanType MagickShadeImage(MagickWand *wand, 10699 const MagickBooleanType gray,const double asimuth,const double elevation) 10700{ 10701 Image 10702 *shade_image; 10703 10704 assert(wand != (MagickWand *) NULL); 10705 assert(wand->signature == MagickWandSignature); 10706 if (wand->debug != MagickFalse) 10707 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10708 if (wand->images == (Image *) NULL) 10709 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10710 shade_image=ShadeImage(wand->images,gray,asimuth,elevation,wand->exception); 10711 if (shade_image == (Image *) NULL) 10712 return(MagickFalse); 10713 ReplaceImageInList(&wand->images,shade_image); 10714 return(MagickTrue); 10715} 10716 10717/* 10718%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10719% % 10720% % 10721% % 10722% M a g i c k S h a d o w I m a g e % 10723% % 10724% % 10725% % 10726%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10727% 10728% MagickShadowImage() simulates an image shadow. 10729% 10730% The format of the MagickShadowImage method is: 10731% 10732% MagickBooleanType MagickShadowImage(MagickWand *wand,const double alpha, 10733% const double sigma,const ssize_t x,const ssize_t y) 10734% 10735% A description of each parameter follows: 10736% 10737% o wand: the magick wand. 10738% 10739% o alpha: percentage transparency. 10740% 10741% o sigma: the standard deviation of the Gaussian, in pixels. 10742% 10743% o x: the shadow x-offset. 10744% 10745% o y: the shadow y-offset. 10746% 10747*/ 10748WandExport MagickBooleanType MagickShadowImage(MagickWand *wand, 10749 const double alpha,const double sigma,const ssize_t x,const ssize_t y) 10750{ 10751 Image 10752 *shadow_image; 10753 10754 assert(wand != (MagickWand *) NULL); 10755 assert(wand->signature == MagickWandSignature); 10756 if (wand->debug != MagickFalse) 10757 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10758 if (wand->images == (Image *) NULL) 10759 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10760 shadow_image=ShadowImage(wand->images,alpha,sigma,x,y,wand->exception); 10761 if (shadow_image == (Image *) NULL) 10762 return(MagickFalse); 10763 ReplaceImageInList(&wand->images,shadow_image); 10764 return(MagickTrue); 10765} 10766 10767/* 10768%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10769% % 10770% % 10771% % 10772% M a g i c k S h a r p e n I m a g e % 10773% % 10774% % 10775% % 10776%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10777% 10778% MagickSharpenImage() sharpens an image. We convolve the image with a 10779% Gaussian operator of the given radius and standard deviation (sigma). 10780% For reasonable results, the radius should be larger than sigma. Use a 10781% radius of 0 and MagickSharpenImage() selects a suitable radius for you. 10782% 10783% The format of the MagickSharpenImage method is: 10784% 10785% MagickBooleanType MagickSharpenImage(MagickWand *wand, 10786% const double radius,const double sigma) 10787% 10788% A description of each parameter follows: 10789% 10790% o wand: the magick wand. 10791% 10792% o radius: the radius of the Gaussian, in pixels, not counting the center 10793% pixel. 10794% 10795% o sigma: the standard deviation of the Gaussian, in pixels. 10796% 10797*/ 10798WandExport MagickBooleanType MagickSharpenImage(MagickWand *wand, 10799 const double radius,const double sigma) 10800{ 10801 Image 10802 *sharp_image; 10803 10804 assert(wand != (MagickWand *) NULL); 10805 assert(wand->signature == MagickWandSignature); 10806 if (wand->debug != MagickFalse) 10807 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10808 if (wand->images == (Image *) NULL) 10809 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10810 sharp_image=SharpenImage(wand->images,radius,sigma,wand->exception); 10811 if (sharp_image == (Image *) NULL) 10812 return(MagickFalse); 10813 ReplaceImageInList(&wand->images,sharp_image); 10814 return(MagickTrue); 10815} 10816 10817/* 10818%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10819% % 10820% % 10821% % 10822% M a g i c k S h a v e I m a g e % 10823% % 10824% % 10825% % 10826%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10827% 10828% MagickShaveImage() shaves pixels from the image edges. It allocates the 10829% memory necessary for the new Image structure and returns a pointer to the 10830% new image. 10831% 10832% The format of the MagickShaveImage method is: 10833% 10834% MagickBooleanType MagickShaveImage(MagickWand *wand, 10835% const size_t columns,const size_t rows) 10836% 10837% A description of each parameter follows: 10838% 10839% o wand: the magick wand. 10840% 10841% o columns: the number of columns in the scaled image. 10842% 10843% o rows: the number of rows in the scaled image. 10844% 10845% 10846*/ 10847WandExport MagickBooleanType MagickShaveImage(MagickWand *wand, 10848 const size_t columns,const size_t rows) 10849{ 10850 Image 10851 *shave_image; 10852 10853 RectangleInfo 10854 shave_info; 10855 10856 assert(wand != (MagickWand *) NULL); 10857 assert(wand->signature == MagickWandSignature); 10858 if (wand->debug != MagickFalse) 10859 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10860 if (wand->images == (Image *) NULL) 10861 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10862 shave_info.width=columns; 10863 shave_info.height=rows; 10864 shave_info.x=0; 10865 shave_info.y=0; 10866 shave_image=ShaveImage(wand->images,&shave_info,wand->exception); 10867 if (shave_image == (Image *) NULL) 10868 return(MagickFalse); 10869 ReplaceImageInList(&wand->images,shave_image); 10870 return(MagickTrue); 10871} 10872 10873/* 10874%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10875% % 10876% % 10877% % 10878% M a g i c k S h e a r I m a g e % 10879% % 10880% % 10881% % 10882%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10883% 10884% MagickShearImage() slides one edge of an image along the X or Y axis, 10885% creating a parallelogram. An X direction shear slides an edge along the X 10886% axis, while a Y direction shear slides an edge along the Y axis. The amount 10887% of the shear is controlled by a shear angle. For X direction shears, x_shear 10888% is measured relative to the Y axis, and similarly, for Y direction shears 10889% y_shear is measured relative to the X axis. Empty triangles left over from 10890% shearing the image are filled with the background color. 10891% 10892% The format of the MagickShearImage method is: 10893% 10894% MagickBooleanType MagickShearImage(MagickWand *wand, 10895% const PixelWand *background,const double x_shear,const double y_shear) 10896% 10897% A description of each parameter follows: 10898% 10899% o wand: the magick wand. 10900% 10901% o background: the background pixel wand. 10902% 10903% o x_shear: the number of degrees to shear the image. 10904% 10905% o y_shear: the number of degrees to shear the image. 10906% 10907*/ 10908WandExport MagickBooleanType MagickShearImage(MagickWand *wand, 10909 const PixelWand *background,const double x_shear,const double y_shear) 10910{ 10911 Image 10912 *shear_image; 10913 10914 assert(wand != (MagickWand *) NULL); 10915 assert(wand->signature == MagickWandSignature); 10916 if (wand->debug != MagickFalse) 10917 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10918 if (wand->images == (Image *) NULL) 10919 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10920 PixelGetQuantumPacket(background,&wand->images->background_color); 10921 shear_image=ShearImage(wand->images,x_shear,y_shear,wand->exception); 10922 if (shear_image == (Image *) NULL) 10923 return(MagickFalse); 10924 ReplaceImageInList(&wand->images,shear_image); 10925 return(MagickTrue); 10926} 10927 10928/* 10929%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10930% % 10931% % 10932% % 10933% M a g i c k S i g m o i d a l C o n t r a s t I m a g e % 10934% % 10935% % 10936% % 10937%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10938% 10939% MagickSigmoidalContrastImage() adjusts the contrast of an image with a 10940% non-linear sigmoidal contrast algorithm. Increase the contrast of the 10941% image using a sigmoidal transfer function without saturating highlights or 10942% shadows. Contrast indicates how much to increase the contrast (0 is none; 10943% 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in 10944% the resultant image (0 is white; 50% is middle-gray; 100% is black). Set 10945% sharpen to MagickTrue to increase the image contrast otherwise the contrast 10946% is reduced. 10947% 10948% The format of the MagickSigmoidalContrastImage method is: 10949% 10950% MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, 10951% const MagickBooleanType sharpen,const double alpha,const double beta) 10952% 10953% A description of each parameter follows: 10954% 10955% o wand: the magick wand. 10956% 10957% o sharpen: Increase or decrease image contrast. 10958% 10959% o alpha: strength of the contrast, the larger the number the more 10960% 'threshold-like' it becomes. 10961% 10962% o beta: midpoint of the function as a color value 0 to QuantumRange. 10963% 10964*/ 10965WandExport MagickBooleanType MagickSigmoidalContrastImage( 10966 MagickWand *wand,const MagickBooleanType sharpen,const double alpha, 10967 const double beta) 10968{ 10969 MagickBooleanType 10970 status; 10971 10972 assert(wand != (MagickWand *) NULL); 10973 assert(wand->signature == MagickWandSignature); 10974 if (wand->debug != MagickFalse) 10975 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10976 if (wand->images == (Image *) NULL) 10977 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10978 status=SigmoidalContrastImage(wand->images,sharpen,alpha,beta, 10979 wand->exception); 10980 return(status); 10981} 10982 10983/* 10984%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10985% % 10986% % 10987% % 10988% M a g i c k S i m i l a r i t y I m a g e % 10989% % 10990% % 10991% % 10992%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10993% 10994% MagickSimilarityImage() compares the reference image of the image and 10995% returns the best match offset. In addition, it returns a similarity image 10996% such that an exact match location is completely white and if none of the 10997% pixels match, black, otherwise some gray level in-between. 10998% 10999% The format of the MagickSimilarityImage method is: 11000% 11001% MagickWand *MagickSimilarityImage(MagickWand *wand, 11002% const MagickWand *reference,const MetricType metric, 11003% const double similarity_threshold,RectangeInfo *offset, 11004% double *similarity) 11005% 11006% A description of each parameter follows: 11007% 11008% o wand: the magick wand. 11009% 11010% o reference: the reference wand. 11011% 11012% o metric: the metric. 11013% 11014% o similarity_threshold: minimum distortion for (sub)image match. 11015% 11016% o offset: the best match offset of the reference image within the image. 11017% 11018% o similarity: the computed similarity between the images. 11019% 11020*/ 11021WandExport MagickWand *MagickSimilarityImage(MagickWand *wand, 11022 const MagickWand *reference,const MetricType metric, 11023 const double similarity_threshold,RectangleInfo *offset,double *similarity) 11024{ 11025 Image 11026 *similarity_image; 11027 11028 assert(wand != (MagickWand *) NULL); 11029 assert(wand->signature == MagickWandSignature); 11030 if (wand->debug != MagickFalse) 11031 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11032 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 11033 { 11034 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11035 "ContainsNoImages","`%s'",wand->name); 11036 return((MagickWand *) NULL); 11037 } 11038 similarity_image=SimilarityImage(wand->images,reference->images,metric, 11039 similarity_threshold,offset,similarity,wand->exception); 11040 if (similarity_image == (Image *) NULL) 11041 return((MagickWand *) NULL); 11042 return(CloneMagickWandFromImages(wand,similarity_image)); 11043} 11044 11045/* 11046%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11047% % 11048% % 11049% % 11050% M a g i c k S k e t c h I m a g e % 11051% % 11052% % 11053% % 11054%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11055% 11056% MagickSketchImage() simulates a pencil sketch. We convolve the image with 11057% a Gaussian operator of the given radius and standard deviation (sigma). 11058% For reasonable results, radius should be larger than sigma. Use a 11059% radius of 0 and SketchImage() selects a suitable radius for you. 11060% Angle gives the angle of the blurring motion. 11061% 11062% The format of the MagickSketchImage method is: 11063% 11064% MagickBooleanType MagickSketchImage(MagickWand *wand, 11065% const double radius,const double sigma,const double angle) 11066% 11067% A description of each parameter follows: 11068% 11069% o wand: the magick wand. 11070% 11071% o radius: the radius of the Gaussian, in pixels, not counting 11072% the center pixel. 11073% 11074% o sigma: the standard deviation of the Gaussian, in pixels. 11075% 11076% o angle: apply the effect along this angle. 11077% 11078*/ 11079WandExport MagickBooleanType MagickSketchImage(MagickWand *wand, 11080 const double radius,const double sigma,const double angle) 11081{ 11082 Image 11083 *sketch_image; 11084 11085 assert(wand != (MagickWand *) NULL); 11086 assert(wand->signature == MagickWandSignature); 11087 if (wand->debug != MagickFalse) 11088 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11089 if (wand->images == (Image *) NULL) 11090 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11091 sketch_image=SketchImage(wand->images,radius,sigma,angle,wand->exception); 11092 if (sketch_image == (Image *) NULL) 11093 return(MagickFalse); 11094 ReplaceImageInList(&wand->images,sketch_image); 11095 return(MagickTrue); 11096} 11097 11098/* 11099%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11100% % 11101% % 11102% % 11103% M a g i c k S m u s h I m a g e s % 11104% % 11105% % 11106% % 11107%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11108% 11109% MagickSmushImages() takes all images from the current image pointer to the 11110% end of the image list and smushs them to each other top-to-bottom if the 11111% stack parameter is true, otherwise left-to-right. 11112% 11113% The format of the MagickSmushImages method is: 11114% 11115% MagickWand *MagickSmushImages(MagickWand *wand, 11116% const MagickBooleanType stack,const ssize_t offset) 11117% 11118% A description of each parameter follows: 11119% 11120% o wand: the magick wand. 11121% 11122% o stack: By default, images are stacked left-to-right. Set stack to 11123% MagickTrue to stack them top-to-bottom. 11124% 11125% o offset: minimum distance in pixels between images. 11126% 11127*/ 11128WandExport MagickWand *MagickSmushImages(MagickWand *wand, 11129 const MagickBooleanType stack,const ssize_t offset) 11130{ 11131 Image 11132 *smush_image; 11133 11134 assert(wand != (MagickWand *) NULL); 11135 assert(wand->signature == MagickWandSignature); 11136 if (wand->debug != MagickFalse) 11137 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11138 if (wand->images == (Image *) NULL) 11139 return((MagickWand *) NULL); 11140 smush_image=SmushImages(wand->images,stack,offset,wand->exception); 11141 if (smush_image == (Image *) NULL) 11142 return((MagickWand *) NULL); 11143 return(CloneMagickWandFromImages(wand,smush_image)); 11144} 11145 11146/* 11147%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11148% % 11149% % 11150% % 11151% M a g i c k S o l a r i z e I m a g e % 11152% % 11153% % 11154% % 11155%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11156% 11157% MagickSolarizeImage() applies a special effect to the image, similar to the 11158% effect achieved in a photo darkroom by selectively exposing areas of photo 11159% sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a 11160% measure of the extent of the solarization. 11161% 11162% The format of the MagickSolarizeImage method is: 11163% 11164% MagickBooleanType MagickSolarizeImage(MagickWand *wand, 11165% const double threshold) 11166% 11167% A description of each parameter follows: 11168% 11169% o wand: the magick wand. 11170% 11171% o threshold: Define the extent of the solarization. 11172% 11173*/ 11174WandExport MagickBooleanType MagickSolarizeImage(MagickWand *wand, 11175 const double threshold) 11176{ 11177 MagickBooleanType 11178 status; 11179 11180 assert(wand != (MagickWand *) NULL); 11181 assert(wand->signature == MagickWandSignature); 11182 if (wand->debug != MagickFalse) 11183 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11184 if (wand->images == (Image *) NULL) 11185 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11186 status=SolarizeImage(wand->images,threshold,wand->exception); 11187 return(status); 11188} 11189 11190/* 11191%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11192% % 11193% % 11194% % 11195% M a g i c k S p a r s e C o l o r I m a g e % 11196% % 11197% % 11198% % 11199%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11200% 11201% MagickSparseColorImage(), given a set of coordinates, interpolates the 11202% colors found at those coordinates, across the whole image, using various 11203% methods. 11204% 11205% The format of the MagickSparseColorImage method is: 11206% 11207% MagickBooleanType MagickSparseColorImage(MagickWand *wand, 11208% const SparseColorMethod method,const size_t number_arguments, 11209% const double *arguments) 11210% 11211% A description of each parameter follows: 11212% 11213% o image: the image to be sparseed. 11214% 11215% o method: the method of image sparseion. 11216% 11217% ArcSparseColorion will always ignore source image offset, and always 11218% 'bestfit' the destination image with the top left corner offset 11219% relative to the polar mapping center. 11220% 11221% Bilinear has no simple inverse mapping so will not allow 'bestfit' 11222% style of image sparseion. 11223% 11224% Affine, Perspective, and Bilinear, will do least squares fitting of 11225% the distrotion when more than the minimum number of control point 11226% pairs are provided. 11227% 11228% Perspective, and Bilinear, will fall back to a Affine sparseion when 11229% less than 4 control point pairs are provided. While Affine sparseions 11230% will let you use any number of control point pairs, that is Zero pairs 11231% is a No-Op (viewport only) distrotion, one pair is a translation and 11232% two pairs of control points will do a scale-rotate-translate, without 11233% any shearing. 11234% 11235% o number_arguments: the number of arguments given for this sparseion 11236% method. 11237% 11238% o arguments: the arguments for this sparseion method. 11239% 11240*/ 11241WandExport MagickBooleanType MagickSparseColorImage(MagickWand *wand, 11242 const SparseColorMethod method,const size_t number_arguments, 11243 const double *arguments) 11244{ 11245 Image 11246 *sparse_image; 11247 11248 assert(wand != (MagickWand *) NULL); 11249 assert(wand->signature == MagickWandSignature); 11250 if (wand->debug != MagickFalse) 11251 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11252 if (wand->images == (Image *) NULL) 11253 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11254 sparse_image=SparseColorImage(wand->images,method,number_arguments,arguments, 11255 wand->exception); 11256 if (sparse_image == (Image *) NULL) 11257 return(MagickFalse); 11258 ReplaceImageInList(&wand->images,sparse_image); 11259 return(MagickTrue); 11260} 11261 11262/* 11263%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11264% % 11265% % 11266% % 11267% M a g i c k S p l i c e I m a g e % 11268% % 11269% % 11270% % 11271%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11272% 11273% MagickSpliceImage() splices a solid color into the image. 11274% 11275% The format of the MagickSpliceImage method is: 11276% 11277% MagickBooleanType MagickSpliceImage(MagickWand *wand, 11278% const size_t width,const size_t height,const ssize_t x, 11279% const ssize_t y) 11280% 11281% A description of each parameter follows: 11282% 11283% o wand: the magick wand. 11284% 11285% o width: the region width. 11286% 11287% o height: the region height. 11288% 11289% o x: the region x offset. 11290% 11291% o y: the region y offset. 11292% 11293*/ 11294WandExport MagickBooleanType MagickSpliceImage(MagickWand *wand, 11295 const size_t width,const size_t height,const ssize_t x, 11296 const ssize_t y) 11297{ 11298 Image 11299 *splice_image; 11300 11301 RectangleInfo 11302 splice; 11303 11304 assert(wand != (MagickWand *) NULL); 11305 assert(wand->signature == MagickWandSignature); 11306 if (wand->debug != MagickFalse) 11307 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11308 if (wand->images == (Image *) NULL) 11309 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11310 splice.width=width; 11311 splice.height=height; 11312 splice.x=x; 11313 splice.y=y; 11314 splice_image=SpliceImage(wand->images,&splice,wand->exception); 11315 if (splice_image == (Image *) NULL) 11316 return(MagickFalse); 11317 ReplaceImageInList(&wand->images,splice_image); 11318 return(MagickTrue); 11319} 11320 11321/* 11322%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11323% % 11324% % 11325% % 11326% M a g i c k S p r e a d I m a g e % 11327% % 11328% % 11329% % 11330%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11331% 11332% MagickSpreadImage() is a special effects method that randomly displaces each 11333% pixel in a block defined by the radius parameter. 11334% 11335% The format of the MagickSpreadImage method is: 11336% 11337% MagickBooleanType MagickSpreadImage(MagickWand *wand, 11338% const PixelInterpolateMethod method,const double radius) 11339% 11340% A description of each parameter follows: 11341% 11342% o wand: the magick wand. 11343% 11344% o method: intepolation method. 11345% 11346% o radius: Choose a random pixel in a neighborhood of this extent. 11347% 11348*/ 11349WandExport MagickBooleanType MagickSpreadImage(MagickWand *wand, 11350 const PixelInterpolateMethod method,const double radius) 11351{ 11352 Image 11353 *spread_image; 11354 11355 assert(wand != (MagickWand *) NULL); 11356 assert(wand->signature == MagickWandSignature); 11357 if (wand->debug != MagickFalse) 11358 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11359 if (wand->images == (Image *) NULL) 11360 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11361 spread_image=SpreadImage(wand->images,method,radius,wand->exception); 11362 if (spread_image == (Image *) NULL) 11363 return(MagickFalse); 11364 ReplaceImageInList(&wand->images,spread_image); 11365 return(MagickTrue); 11366} 11367 11368/* 11369%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11370% % 11371% % 11372% % 11373% M a g i c k S t a t i s t i c I m a g e % 11374% % 11375% % 11376% % 11377%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11378% 11379% MagickStatisticImage() replace each pixel with corresponding statistic from 11380% the neighborhood of the specified width and height. 11381% 11382% The format of the MagickStatisticImage method is: 11383% 11384% MagickBooleanType MagickStatisticImage(MagickWand *wand, 11385% const StatisticType type,const double width,const size_t height) 11386% 11387% A description of each parameter follows: 11388% 11389% o wand: the magick wand. 11390% 11391% o type: the statistic type (e.g. median, mode, etc.). 11392% 11393% o width: the width of the pixel neighborhood. 11394% 11395% o height: the height of the pixel neighborhood. 11396% 11397*/ 11398WandExport MagickBooleanType MagickStatisticImage(MagickWand *wand, 11399 const StatisticType type,const size_t width,const size_t height) 11400{ 11401 Image 11402 *statistic_image; 11403 11404 assert(wand != (MagickWand *) NULL); 11405 assert(wand->signature == MagickWandSignature); 11406 if (wand->debug != MagickFalse) 11407 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11408 if (wand->images == (Image *) NULL) 11409 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11410 statistic_image=StatisticImage(wand->images,type,width,height, 11411 wand->exception); 11412 if (statistic_image == (Image *) NULL) 11413 return(MagickFalse); 11414 ReplaceImageInList(&wand->images,statistic_image); 11415 return(MagickTrue); 11416} 11417 11418/* 11419%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11420% % 11421% % 11422% % 11423% M a g i c k S t e g a n o I m a g e % 11424% % 11425% % 11426% % 11427%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11428% 11429% MagickSteganoImage() hides a digital watermark within the image. 11430% Recover the hidden watermark later to prove that the authenticity of 11431% an image. Offset defines the start position within the image to hide 11432% the watermark. 11433% 11434% The format of the MagickSteganoImage method is: 11435% 11436% MagickWand *MagickSteganoImage(MagickWand *wand, 11437% const MagickWand *watermark_wand,const ssize_t offset) 11438% 11439% A description of each parameter follows: 11440% 11441% o wand: the magick wand. 11442% 11443% o watermark_wand: the watermark wand. 11444% 11445% o offset: Start hiding at this offset into the image. 11446% 11447*/ 11448WandExport MagickWand *MagickSteganoImage(MagickWand *wand, 11449 const MagickWand *watermark_wand,const ssize_t offset) 11450{ 11451 Image 11452 *stegano_image; 11453 11454 assert(wand != (MagickWand *) NULL); 11455 assert(wand->signature == MagickWandSignature); 11456 if (wand->debug != MagickFalse) 11457 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11458 if ((wand->images == (Image *) NULL) || 11459 (watermark_wand->images == (Image *) NULL)) 11460 { 11461 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11462 "ContainsNoImages","`%s'",wand->name); 11463 return((MagickWand *) NULL); 11464 } 11465 wand->images->offset=offset; 11466 stegano_image=SteganoImage(wand->images,watermark_wand->images, 11467 wand->exception); 11468 if (stegano_image == (Image *) NULL) 11469 return((MagickWand *) NULL); 11470 return(CloneMagickWandFromImages(wand,stegano_image)); 11471} 11472 11473/* 11474%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11475% % 11476% % 11477% % 11478% M a g i c k S t e r e o I m a g e % 11479% % 11480% % 11481% % 11482%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11483% 11484% MagickStereoImage() composites two images and produces a single image that 11485% is the composite of a left and right image of a stereo pair 11486% 11487% The format of the MagickStereoImage method is: 11488% 11489% MagickWand *MagickStereoImage(MagickWand *wand, 11490% const MagickWand *offset_wand) 11491% 11492% A description of each parameter follows: 11493% 11494% o wand: the magick wand. 11495% 11496% o offset_wand: Another image wand. 11497% 11498*/ 11499WandExport MagickWand *MagickStereoImage(MagickWand *wand, 11500 const MagickWand *offset_wand) 11501{ 11502 Image 11503 *stereo_image; 11504 11505 assert(wand != (MagickWand *) NULL); 11506 assert(wand->signature == MagickWandSignature); 11507 if (wand->debug != MagickFalse) 11508 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11509 if ((wand->images == (Image *) NULL) || 11510 (offset_wand->images == (Image *) NULL)) 11511 { 11512 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11513 "ContainsNoImages","`%s'",wand->name); 11514 return((MagickWand *) NULL); 11515 } 11516 stereo_image=StereoImage(wand->images,offset_wand->images,wand->exception); 11517 if (stereo_image == (Image *) NULL) 11518 return((MagickWand *) NULL); 11519 return(CloneMagickWandFromImages(wand,stereo_image)); 11520} 11521 11522/* 11523%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11524% % 11525% % 11526% % 11527% M a g i c k S t r i p I m a g e % 11528% % 11529% % 11530% % 11531%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11532% 11533% MagickStripImage() strips an image of all profiles and comments. 11534% 11535% The format of the MagickStripImage method is: 11536% 11537% MagickBooleanType MagickStripImage(MagickWand *wand) 11538% 11539% A description of each parameter follows: 11540% 11541% o wand: the magick wand. 11542% 11543*/ 11544WandExport MagickBooleanType MagickStripImage(MagickWand *wand) 11545{ 11546 assert(wand != (MagickWand *) NULL); 11547 assert(wand->signature == MagickWandSignature); 11548 if (wand->debug != MagickFalse) 11549 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11550 if (wand->images == (Image *) NULL) 11551 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11552 return(StripImage(wand->images,wand->exception)); 11553} 11554 11555/* 11556%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11557% % 11558% % 11559% % 11560% M a g i c k S w i r l I m a g e % 11561% % 11562% % 11563% % 11564%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11565% 11566% MagickSwirlImage() swirls the pixels about the center of the image, where 11567% degrees indicates the sweep of the arc through which each pixel is moved. 11568% You get a more dramatic effect as the degrees move from 1 to 360. 11569% 11570% The format of the MagickSwirlImage method is: 11571% 11572% MagickBooleanType MagickSwirlImage(MagickWand *wand,const double degrees, 11573% const PixelInterpolateMethod method) 11574% 11575% A description of each parameter follows: 11576% 11577% o wand: the magick wand. 11578% 11579% o degrees: Define the tightness of the swirling effect. 11580% 11581% o method: the pixel interpolation method. 11582% 11583*/ 11584WandExport MagickBooleanType MagickSwirlImage(MagickWand *wand, 11585 const double degrees,const PixelInterpolateMethod method) 11586{ 11587 Image 11588 *swirl_image; 11589 11590 assert(wand != (MagickWand *) NULL); 11591 assert(wand->signature == MagickWandSignature); 11592 if (wand->debug != MagickFalse) 11593 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11594 if (wand->images == (Image *) NULL) 11595 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11596 swirl_image=SwirlImage(wand->images,degrees,method,wand->exception); 11597 if (swirl_image == (Image *) NULL) 11598 return(MagickFalse); 11599 ReplaceImageInList(&wand->images,swirl_image); 11600 return(MagickTrue); 11601} 11602 11603/* 11604%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11605% % 11606% % 11607% % 11608% M a g i c k T e x t u r e I m a g e % 11609% % 11610% % 11611% % 11612%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11613% 11614% MagickTextureImage() repeatedly tiles the texture image across and down the 11615% image canvas. 11616% 11617% The format of the MagickTextureImage method is: 11618% 11619% MagickWand *MagickTextureImage(MagickWand *wand, 11620% const MagickWand *texture_wand) 11621% 11622% A description of each parameter follows: 11623% 11624% o wand: the magick wand. 11625% 11626% o texture_wand: the texture wand 11627% 11628*/ 11629WandExport MagickWand *MagickTextureImage(MagickWand *wand, 11630 const MagickWand *texture_wand) 11631{ 11632 Image 11633 *texture_image; 11634 11635 MagickBooleanType 11636 status; 11637 11638 assert(wand != (MagickWand *) NULL); 11639 assert(wand->signature == MagickWandSignature); 11640 if (wand->debug != MagickFalse) 11641 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11642 if ((wand->images == (Image *) NULL) || 11643 (texture_wand->images == (Image *) NULL)) 11644 { 11645 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11646 "ContainsNoImages","`%s'",wand->name); 11647 return((MagickWand *) NULL); 11648 } 11649 texture_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11650 if (texture_image == (Image *) NULL) 11651 return((MagickWand *) NULL); 11652 status=TextureImage(texture_image,texture_wand->images,wand->exception); 11653 if (status == MagickFalse) 11654 { 11655 texture_image=DestroyImage(texture_image); 11656 return((MagickWand *) NULL); 11657 } 11658 return(CloneMagickWandFromImages(wand,texture_image)); 11659} 11660 11661/* 11662%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11663% % 11664% % 11665% % 11666% M a g i c k T h r e s h o l d I m a g e % 11667% % 11668% % 11669% % 11670%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11671% 11672% MagickThresholdImage() changes the value of individual pixels based on 11673% the intensity of each pixel compared to threshold. The result is a 11674% high-contrast, two color image. 11675% 11676% The format of the MagickThresholdImage method is: 11677% 11678% MagickBooleanType MagickThresholdImage(MagickWand *wand, 11679% const double threshold) 11680% MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11681% const ChannelType channel,const double threshold) 11682% 11683% A description of each parameter follows: 11684% 11685% o wand: the magick wand. 11686% 11687% o channel: the image channel(s). 11688% 11689% o threshold: Define the threshold value. 11690% 11691*/ 11692WandExport MagickBooleanType MagickThresholdImage(MagickWand *wand, 11693 const double threshold) 11694{ 11695 MagickBooleanType 11696 status; 11697 11698 status=MagickThresholdImageChannel(wand,DefaultChannels,threshold); 11699 return(status); 11700} 11701 11702WandExport MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11703 const ChannelType channel,const double threshold) 11704{ 11705 MagickBooleanType 11706 status; 11707 11708 assert(wand != (MagickWand *) NULL); 11709 assert(wand->signature == MagickWandSignature); 11710 if (wand->debug != MagickFalse) 11711 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11712 if (wand->images == (Image *) NULL) 11713 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11714 status=BilevelImage(wand->images,threshold,wand->exception); 11715 return(status); 11716} 11717 11718/* 11719%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11720% % 11721% % 11722% % 11723% M a g i c k T h u m b n a i l I m a g e % 11724% % 11725% % 11726% % 11727%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11728% 11729% MagickThumbnailImage() changes the size of an image to the given dimensions 11730% and removes any associated profiles. The goal is to produce small low cost 11731% thumbnail images suited for display on the Web. 11732% 11733% The format of the MagickThumbnailImage method is: 11734% 11735% MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11736% const size_t columns,const size_t rows) 11737% 11738% A description of each parameter follows: 11739% 11740% o wand: the magick wand. 11741% 11742% o columns: the number of columns in the scaled image. 11743% 11744% o rows: the number of rows in the scaled image. 11745% 11746*/ 11747WandExport MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11748 const size_t columns,const size_t rows) 11749{ 11750 Image 11751 *thumbnail_image; 11752 11753 assert(wand != (MagickWand *) NULL); 11754 assert(wand->signature == MagickWandSignature); 11755 if (wand->debug != MagickFalse) 11756 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11757 if (wand->images == (Image *) NULL) 11758 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11759 thumbnail_image=ThumbnailImage(wand->images,columns,rows,wand->exception); 11760 if (thumbnail_image == (Image *) NULL) 11761 return(MagickFalse); 11762 ReplaceImageInList(&wand->images,thumbnail_image); 11763 return(MagickTrue); 11764} 11765 11766/* 11767%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11768% % 11769% % 11770% % 11771% M a g i c k T i n t I m a g e % 11772% % 11773% % 11774% % 11775%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11776% 11777% MagickTintImage() applies a color vector to each pixel in the image. The 11778% length of the vector is 0 for black and white and at its maximum for the 11779% midtones. The vector weighting function is 11780% f(x)=(1-(4.0*((x-0.5)*(x-0.5)))). 11781% 11782% The format of the MagickTintImage method is: 11783% 11784% MagickBooleanType MagickTintImage(MagickWand *wand, 11785% const PixelWand *tint,const PixelWand *blend) 11786% 11787% A description of each parameter follows: 11788% 11789% o wand: the magick wand. 11790% 11791% o tint: the tint pixel wand. 11792% 11793% o alpha: the alpha pixel wand. 11794% 11795*/ 11796WandExport MagickBooleanType MagickTintImage(MagickWand *wand, 11797 const PixelWand *tint,const PixelWand *blend) 11798{ 11799 char 11800 percent_blend[MagickPathExtent]; 11801 11802 Image 11803 *tint_image; 11804 11805 PixelInfo 11806 target; 11807 11808 assert(wand != (MagickWand *) NULL); 11809 assert(wand->signature == MagickWandSignature); 11810 if (wand->debug != MagickFalse) 11811 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11812 if (wand->images == (Image *) NULL) 11813 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11814 if (wand->images->colorspace != CMYKColorspace) 11815 (void) FormatLocaleString(percent_blend,MagickPathExtent, 11816 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 11817 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 11818 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 11819 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 11820 PixelGetAlphaQuantum(blend))); 11821 else 11822 (void) FormatLocaleString(percent_blend,MagickPathExtent, 11823 "%g,%g,%g,%g,%g",(double) (100.0*QuantumScale* 11824 PixelGetCyanQuantum(blend)),(double) (100.0*QuantumScale* 11825 PixelGetMagentaQuantum(blend)),(double) (100.0*QuantumScale* 11826 PixelGetYellowQuantum(blend)),(double) (100.0*QuantumScale* 11827 PixelGetBlackQuantum(blend)),(double) (100.0*QuantumScale* 11828 PixelGetAlphaQuantum(blend))); 11829 target=PixelGetPixel(tint); 11830 tint_image=TintImage(wand->images,percent_blend,&target,wand->exception); 11831 if (tint_image == (Image *) NULL) 11832 return(MagickFalse); 11833 ReplaceImageInList(&wand->images,tint_image); 11834 return(MagickTrue); 11835} 11836 11837/* 11838%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11839% % 11840% % 11841% % 11842% M a g i c k T r a n s f o r m I m a g e C o l o r s p a c e % 11843% % 11844% % 11845% % 11846%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11847% 11848% MagickTransformImageColorspace() transform the image colorspace, setting 11849% the images colorspace while transforming the images data to that 11850% colorspace. 11851% 11852% The format of the MagickTransformImageColorspace method is: 11853% 11854% MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11855% const ColorspaceType colorspace) 11856% 11857% A description of each parameter follows: 11858% 11859% o wand: the magick wand. 11860% 11861% o colorspace: the image colorspace: UndefinedColorspace, 11862% sRGBColorspace, RGBColorspace, GRAYColorspace, 11863% OHTAColorspace, XYZColorspace, YCbCrColorspace, 11864% YCCColorspace, YIQColorspace, YPbPrColorspace, 11865% YPbPrColorspace, YUVColorspace, CMYKColorspace, 11866% HSLColorspace, HWBColorspace. 11867% 11868*/ 11869WandExport MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11870 const ColorspaceType colorspace) 11871{ 11872 assert(wand != (MagickWand *) NULL); 11873 assert(wand->signature == MagickWandSignature); 11874 if (wand->debug != MagickFalse) 11875 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11876 if (wand->images == (Image *) NULL) 11877 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11878 return(TransformImageColorspace(wand->images,colorspace,wand->exception)); 11879} 11880 11881/* 11882%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11883% % 11884% % 11885% % 11886% M a g i c k T r a n s p a r e n t P a i n t I m a g e % 11887% % 11888% % 11889% % 11890%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11891% 11892% MagickTransparentPaintImage() changes any pixel that matches color with the 11893% color defined by fill. 11894% 11895% The format of the MagickTransparentPaintImage method is: 11896% 11897% MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11898% const PixelWand *target,const double alpha,const double fuzz, 11899% const MagickBooleanType invert) 11900% 11901% A description of each parameter follows: 11902% 11903% o wand: the magick wand. 11904% 11905% o target: Change this target color to specified alpha value within 11906% the image. 11907% 11908% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 11909% transparent. 11910% 11911% o fuzz: By default target must match a particular pixel color 11912% exactly. However, in many cases two colors may differ by a small amount. 11913% The fuzz member of image defines how much tolerance is acceptable to 11914% consider two colors as the same. For example, set fuzz to 10 and the 11915% color red at intensities of 100 and 102 respectively are now interpreted 11916% as the same color for the purposes of the floodfill. 11917% 11918% o invert: paint any pixel that does not match the target color. 11919% 11920*/ 11921WandExport MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11922 const PixelWand *target,const double alpha,const double fuzz, 11923 const MagickBooleanType invert) 11924{ 11925 MagickBooleanType 11926 status; 11927 11928 PixelInfo 11929 target_pixel; 11930 11931 assert(wand != (MagickWand *) NULL); 11932 assert(wand->signature == MagickWandSignature); 11933 if (wand->debug != MagickFalse) 11934 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11935 if (wand->images == (Image *) NULL) 11936 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11937 PixelGetMagickColor(target,&target_pixel); 11938 wand->images->fuzz=fuzz; 11939 status=TransparentPaintImage(wand->images,&target_pixel,ClampToQuantum( 11940 QuantumRange*alpha),invert,wand->exception); 11941 return(status); 11942} 11943 11944/* 11945%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11946% % 11947% % 11948% % 11949% M a g i c k T r a n s p o s e I m a g e % 11950% % 11951% % 11952% % 11953%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11954% 11955% MagickTransposeImage() creates a vertical mirror image by reflecting the 11956% pixels around the central x-axis while rotating them 90-degrees. 11957% 11958% The format of the MagickTransposeImage method is: 11959% 11960% MagickBooleanType MagickTransposeImage(MagickWand *wand) 11961% 11962% A description of each parameter follows: 11963% 11964% o wand: the magick wand. 11965% 11966*/ 11967WandExport MagickBooleanType MagickTransposeImage(MagickWand *wand) 11968{ 11969 Image 11970 *transpose_image; 11971 11972 assert(wand != (MagickWand *) NULL); 11973 assert(wand->signature == MagickWandSignature); 11974 if (wand->debug != MagickFalse) 11975 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11976 if (wand->images == (Image *) NULL) 11977 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11978 transpose_image=TransposeImage(wand->images,wand->exception); 11979 if (transpose_image == (Image *) NULL) 11980 return(MagickFalse); 11981 ReplaceImageInList(&wand->images,transpose_image); 11982 return(MagickTrue); 11983} 11984 11985/* 11986%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11987% % 11988% % 11989% % 11990% M a g i c k T r a n s v e r s e I m a g e % 11991% % 11992% % 11993% % 11994%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11995% 11996% MagickTransverseImage() creates a horizontal mirror image by reflecting the 11997% pixels around the central y-axis while rotating them 270-degrees. 11998% 11999% The format of the MagickTransverseImage method is: 12000% 12001% MagickBooleanType MagickTransverseImage(MagickWand *wand) 12002% 12003% A description of each parameter follows: 12004% 12005% o wand: the magick wand. 12006% 12007*/ 12008WandExport MagickBooleanType MagickTransverseImage(MagickWand *wand) 12009{ 12010 Image 12011 *transverse_image; 12012 12013 assert(wand != (MagickWand *) NULL); 12014 assert(wand->signature == MagickWandSignature); 12015 if (wand->debug != MagickFalse) 12016 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12017 if (wand->images == (Image *) NULL) 12018 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12019 transverse_image=TransverseImage(wand->images,wand->exception); 12020 if (transverse_image == (Image *) NULL) 12021 return(MagickFalse); 12022 ReplaceImageInList(&wand->images,transverse_image); 12023 return(MagickTrue); 12024} 12025 12026/* 12027%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12028% % 12029% % 12030% % 12031% M a g i c k T r i m I m a g e % 12032% % 12033% % 12034% % 12035%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12036% 12037% MagickTrimImage() remove edges that are the background color from the image. 12038% 12039% The format of the MagickTrimImage method is: 12040% 12041% MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 12042% 12043% A description of each parameter follows: 12044% 12045% o wand: the magick wand. 12046% 12047% o fuzz: By default target must match a particular pixel color 12048% exactly. However, in many cases two colors may differ by a small amount. 12049% The fuzz member of image defines how much tolerance is acceptable to 12050% consider two colors as the same. For example, set fuzz to 10 and the 12051% color red at intensities of 100 and 102 respectively are now interpreted 12052% as the same color for the purposes of the floodfill. 12053% 12054*/ 12055WandExport MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 12056{ 12057 Image 12058 *trim_image; 12059 12060 assert(wand != (MagickWand *) NULL); 12061 assert(wand->signature == MagickWandSignature); 12062 if (wand->debug != MagickFalse) 12063 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12064 if (wand->images == (Image *) NULL) 12065 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12066 wand->images->fuzz=fuzz; 12067 trim_image=TrimImage(wand->images,wand->exception); 12068 if (trim_image == (Image *) NULL) 12069 return(MagickFalse); 12070 ReplaceImageInList(&wand->images,trim_image); 12071 return(MagickTrue); 12072} 12073 12074/* 12075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12076% % 12077% % 12078% % 12079% M a g i c k U n i q u e I m a g e C o l o r s % 12080% % 12081% % 12082% % 12083%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12084% 12085% MagickUniqueImageColors() discards all but one of any pixel color. 12086% 12087% The format of the MagickUniqueImageColors method is: 12088% 12089% MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 12090% 12091% A description of each parameter follows: 12092% 12093% o wand: the magick wand. 12094% 12095*/ 12096WandExport MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 12097{ 12098 Image 12099 *unique_image; 12100 12101 assert(wand != (MagickWand *) NULL); 12102 assert(wand->signature == MagickWandSignature); 12103 if (wand->debug != MagickFalse) 12104 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12105 if (wand->images == (Image *) NULL) 12106 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12107 unique_image=UniqueImageColors(wand->images,wand->exception); 12108 if (unique_image == (Image *) NULL) 12109 return(MagickFalse); 12110 ReplaceImageInList(&wand->images,unique_image); 12111 return(MagickTrue); 12112} 12113 12114/* 12115%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12116% % 12117% % 12118% % 12119% M a g i c k U n s h a r p M a s k I m a g e % 12120% % 12121% % 12122% % 12123%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12124% 12125% MagickUnsharpMaskImage() sharpens an image. We convolve the image with a 12126% Gaussian operator of the given radius and standard deviation (sigma). 12127% For reasonable results, radius should be larger than sigma. Use a radius 12128% of 0 and UnsharpMaskImage() selects a suitable radius for you. 12129% 12130% The format of the MagickUnsharpMaskImage method is: 12131% 12132% MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 12133% const double radius,const double sigma,const double gain, 12134% const double threshold) 12135% 12136% A description of each parameter follows: 12137% 12138% o wand: the magick wand. 12139% 12140% o radius: the radius of the Gaussian, in pixels, not counting the center 12141% pixel. 12142% 12143% o sigma: the standard deviation of the Gaussian, in pixels. 12144% 12145% o gain: the percentage of the difference between the original and the 12146% blur image that is added back into the original. 12147% 12148% o threshold: the threshold in pixels needed to apply the diffence gain. 12149% 12150*/ 12151WandExport MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 12152 const double radius,const double sigma,const double gain, 12153 const double threshold) 12154{ 12155 Image 12156 *unsharp_image; 12157 12158 assert(wand != (MagickWand *) NULL); 12159 assert(wand->signature == MagickWandSignature); 12160 if (wand->debug != MagickFalse) 12161 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12162 if (wand->images == (Image *) NULL) 12163 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12164 unsharp_image=UnsharpMaskImage(wand->images,radius,sigma,gain,threshold, 12165 wand->exception); 12166 if (unsharp_image == (Image *) NULL) 12167 return(MagickFalse); 12168 ReplaceImageInList(&wand->images,unsharp_image); 12169 return(MagickTrue); 12170} 12171 12172/* 12173%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12174% % 12175% % 12176% % 12177% M a g i c k V i g n e t t e I m a g e % 12178% % 12179% % 12180% % 12181%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12182% 12183% MagickVignetteImage() softens the edges of the image in vignette style. 12184% 12185% The format of the MagickVignetteImage method is: 12186% 12187% MagickBooleanType MagickVignetteImage(MagickWand *wand, 12188% const double radius,const double sigma,const ssize_t x, 12189% const ssize_t y) 12190% 12191% A description of each parameter follows: 12192% 12193% o wand: the magick wand. 12194% 12195% o radius: the radius. 12196% 12197% o sigma: the sigma. 12198% 12199% o x, y: Define the x and y ellipse offset. 12200% 12201*/ 12202WandExport MagickBooleanType MagickVignetteImage(MagickWand *wand, 12203 const double radius,const double sigma,const ssize_t x,const ssize_t y) 12204{ 12205 Image 12206 *vignette_image; 12207 12208 assert(wand != (MagickWand *) NULL); 12209 assert(wand->signature == MagickWandSignature); 12210 if (wand->debug != MagickFalse) 12211 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12212 if (wand->images == (Image *) NULL) 12213 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12214 vignette_image=VignetteImage(wand->images,radius,sigma,x,y,wand->exception); 12215 if (vignette_image == (Image *) NULL) 12216 return(MagickFalse); 12217 ReplaceImageInList(&wand->images,vignette_image); 12218 return(MagickTrue); 12219} 12220 12221/* 12222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12223% % 12224% % 12225% % 12226% M a g i c k W a v e I m a g e % 12227% % 12228% % 12229% % 12230%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12231% 12232% MagickWaveImage() creates a "ripple" effect in the image by shifting 12233% the pixels vertically along a sine wave whose amplitude and wavelength 12234% is specified by the given parameters. 12235% 12236% The format of the MagickWaveImage method is: 12237% 12238% MagickBooleanType MagickWaveImage(MagickWand *wand, 12239% const double amplitude,const double wave_length, 12240% const PixelInterpolateMethod method) 12241% 12242% A description of each parameter follows: 12243% 12244% o wand: the magick wand. 12245% 12246% o amplitude, wave_length: Define the amplitude and wave length of the 12247% sine wave. 12248% 12249% o method: the pixel interpolation method. 12250% 12251*/ 12252WandExport MagickBooleanType MagickWaveImage(MagickWand *wand, 12253 const double amplitude,const double wave_length, 12254 const PixelInterpolateMethod method) 12255{ 12256 Image 12257 *wave_image; 12258 12259 assert(wand != (MagickWand *) NULL); 12260 assert(wand->signature == MagickWandSignature); 12261 if (wand->debug != MagickFalse) 12262 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12263 if (wand->images == (Image *) NULL) 12264 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12265 wave_image=WaveImage(wand->images,amplitude,wave_length,method, 12266 wand->exception); 12267 if (wave_image == (Image *) NULL) 12268 return(MagickFalse); 12269 ReplaceImageInList(&wand->images,wave_image); 12270 return(MagickTrue); 12271} 12272 12273/* 12274%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12275% % 12276% % 12277% % 12278% M a g i c k W h i t e T h r e s h o l d I m a g e % 12279% % 12280% % 12281% % 12282%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12283% 12284% MagickWhiteThresholdImage() is like ThresholdImage() but force all pixels 12285% above the threshold into white while leaving all pixels below the threshold 12286% unchanged. 12287% 12288% The format of the MagickWhiteThresholdImage method is: 12289% 12290% MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 12291% const PixelWand *threshold) 12292% 12293% A description of each parameter follows: 12294% 12295% o wand: the magick wand. 12296% 12297% o threshold: the pixel wand. 12298% 12299*/ 12300WandExport MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 12301 const PixelWand *threshold) 12302{ 12303 char 12304 thresholds[MagickPathExtent]; 12305 12306 assert(wand != (MagickWand *) NULL); 12307 assert(wand->signature == MagickWandSignature); 12308 if (wand->debug != MagickFalse) 12309 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12310 if (wand->images == (Image *) NULL) 12311 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12312 (void) FormatLocaleString(thresholds,MagickPathExtent, 12313 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 12314 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 12315 PixelGetBlueQuantum(threshold),PixelGetAlphaQuantum(threshold)); 12316 return(WhiteThresholdImage(wand->images,thresholds,wand->exception)); 12317} 12318 12319/* 12320%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12321% % 12322% % 12323% % 12324% M a g i c k W r i t e I m a g e % 12325% % 12326% % 12327% % 12328%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12329% 12330% MagickWriteImage() writes an image to the specified filename. If the 12331% filename parameter is NULL, the image is written to the filename set 12332% by MagickReadImage() or MagickSetImageFilename(). 12333% 12334% The format of the MagickWriteImage method is: 12335% 12336% MagickBooleanType MagickWriteImage(MagickWand *wand, 12337% const char *filename) 12338% 12339% A description of each parameter follows: 12340% 12341% o wand: the magick wand. 12342% 12343% o filename: the image filename. 12344% 12345% 12346*/ 12347WandExport MagickBooleanType MagickWriteImage(MagickWand *wand, 12348 const char *filename) 12349{ 12350 Image 12351 *image; 12352 12353 ImageInfo 12354 *write_info; 12355 12356 MagickBooleanType 12357 status; 12358 12359 assert(wand != (MagickWand *) NULL); 12360 assert(wand->signature == MagickWandSignature); 12361 if (wand->debug != MagickFalse) 12362 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12363 if (wand->images == (Image *) NULL) 12364 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12365 if (filename != (const char *) NULL) 12366 (void) CopyMagickString(wand->images->filename,filename,MagickPathExtent); 12367 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 12368 if (image == (Image *) NULL) 12369 return(MagickFalse); 12370 write_info=CloneImageInfo(wand->image_info); 12371 write_info->adjoin=MagickTrue; 12372 status=WriteImage(write_info,image,wand->exception); 12373 image=DestroyImage(image); 12374 write_info=DestroyImageInfo(write_info); 12375 return(status); 12376} 12377 12378/* 12379%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12380% % 12381% % 12382% % 12383% M a g i c k W r i t e I m a g e F i l e % 12384% % 12385% % 12386% % 12387%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12388% 12389% MagickWriteImageFile() writes an image to an open file descriptor. 12390% 12391% The format of the MagickWriteImageFile method is: 12392% 12393% MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 12394% 12395% A description of each parameter follows: 12396% 12397% o wand: the magick wand. 12398% 12399% o file: the file descriptor. 12400% 12401*/ 12402WandExport MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 12403{ 12404 Image 12405 *image; 12406 12407 ImageInfo 12408 *write_info; 12409 12410 MagickBooleanType 12411 status; 12412 12413 assert(wand != (MagickWand *) NULL); 12414 assert(wand->signature == MagickWandSignature); 12415 assert(file != (FILE *) NULL); 12416 if (wand->debug != MagickFalse) 12417 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12418 if (wand->images == (Image *) NULL) 12419 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12420 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 12421 if (image == (Image *) NULL) 12422 return(MagickFalse); 12423 write_info=CloneImageInfo(wand->image_info); 12424 SetImageInfoFile(write_info,file); 12425 write_info->adjoin=MagickTrue; 12426 status=WriteImage(write_info,image,wand->exception); 12427 write_info=DestroyImageInfo(write_info); 12428 image=DestroyImage(image); 12429 return(status); 12430} 12431 12432/* 12433%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12434% % 12435% % 12436% % 12437% M a g i c k W r i t e I m a g e s % 12438% % 12439% % 12440% % 12441%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12442% 12443% MagickWriteImages() writes an image or image sequence. 12444% 12445% The format of the MagickWriteImages method is: 12446% 12447% MagickBooleanType MagickWriteImages(MagickWand *wand, 12448% const char *filename,const MagickBooleanType adjoin) 12449% 12450% A description of each parameter follows: 12451% 12452% o wand: the magick wand. 12453% 12454% o filename: the image filename. 12455% 12456% o adjoin: join images into a single multi-image file. 12457% 12458*/ 12459WandExport MagickBooleanType MagickWriteImages(MagickWand *wand, 12460 const char *filename,const MagickBooleanType adjoin) 12461{ 12462 ImageInfo 12463 *write_info; 12464 12465 MagickBooleanType 12466 status; 12467 12468 assert(wand != (MagickWand *) NULL); 12469 assert(wand->signature == MagickWandSignature); 12470 if (wand->debug != MagickFalse) 12471 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12472 if (wand->images == (Image *) NULL) 12473 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12474 write_info=CloneImageInfo(wand->image_info); 12475 write_info->adjoin=adjoin; 12476 status=WriteImages(write_info,wand->images,filename,wand->exception); 12477 write_info=DestroyImageInfo(write_info); 12478 return(status); 12479} 12480 12481/* 12482%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12483% % 12484% % 12485% % 12486% M a g i c k W r i t e I m a g e s F i l e % 12487% % 12488% % 12489% % 12490%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12491% 12492% MagickWriteImagesFile() writes an image sequence to an open file descriptor. 12493% 12494% The format of the MagickWriteImagesFile method is: 12495% 12496% MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12497% 12498% A description of each parameter follows: 12499% 12500% o wand: the magick wand. 12501% 12502% o file: the file descriptor. 12503% 12504*/ 12505WandExport MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12506{ 12507 ImageInfo 12508 *write_info; 12509 12510 MagickBooleanType 12511 status; 12512 12513 assert(wand != (MagickWand *) NULL); 12514 assert(wand->signature == MagickWandSignature); 12515 if (wand->debug != MagickFalse) 12516 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12517 if (wand->images == (Image *) NULL) 12518 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12519 write_info=CloneImageInfo(wand->image_info); 12520 SetImageInfoFile(write_info,file); 12521 write_info->adjoin=MagickTrue; 12522 status=WriteImages(write_info,wand->images,(const char *) NULL, 12523 wand->exception); 12524 write_info=DestroyImageInfo(write_info); 12525 return(status); 12526} 12527