magick-image.c revision be4c4f11fabfc9932f48ed482cce48e801bbf329
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 1999-2015 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(clone_wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->insert_before)) 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 (IfMagickTrue((wand->insert_before)) && 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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,640,640,"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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 DistortImageMethod 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 DistortImageMethod 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 *matte_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 matte_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 *matte_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 (IfMagickTrue(wand->debug)) 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(matte_color,&wand->images->matte_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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 (IfMagickTrue(wand->debug)) 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 C l i p M a s k % 3715% % 3716% % 3717% % 3718%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3719% 3720% MagickGetImageMask() gets the image clip mask at the current image index. 3721% 3722% The format of the MagickGetImageMask method is: 3723% 3724% MagickWand *MagickGetImageMask(MagickWand *wand) 3725% 3726% A description of each parameter follows: 3727% 3728% o wand: the magick wand. 3729% 3730*/ 3731WandExport MagickWand *MagickGetImageMask(MagickWand *wand) 3732{ 3733 Image 3734 *image; 3735 3736 assert(wand != (MagickWand *) NULL); 3737 assert(wand->signature == MagickWandSignature); 3738 if (IfMagickTrue(wand->debug)) 3739 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3740 if (wand->images == (Image *) NULL) 3741 { 3742 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3743 "ContainsNoImages","`%s'",wand->name); 3744 return((MagickWand *) NULL); 3745 } 3746 image=GetImageMask(wand->images,wand->exception); 3747 if (image == (Image *) NULL) 3748 return((MagickWand *) NULL); 3749 return(CloneMagickWandFromImages(wand,image)); 3750} 3751 3752/* 3753%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3754% % 3755% % 3756% % 3757% 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 % 3758% % 3759% % 3760% % 3761%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3762% 3763% MagickGetImageBackgroundColor() returns the image background color. 3764% 3765% The format of the MagickGetImageBackgroundColor method is: 3766% 3767% MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3768% PixelWand *background_color) 3769% 3770% A description of each parameter follows: 3771% 3772% o wand: the magick wand. 3773% 3774% o background_color: Return the background color. 3775% 3776*/ 3777WandExport MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3778 PixelWand *background_color) 3779{ 3780 assert(wand != (MagickWand *) NULL); 3781 assert(wand->signature == MagickWandSignature); 3782 if (IfMagickTrue(wand->debug)) 3783 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3784 if (wand->images == (Image *) NULL) 3785 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3786 PixelSetPixelColor(background_color,&wand->images->background_color); 3787 return(MagickTrue); 3788} 3789 3790/* 3791%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3792% % 3793% % 3794% % 3795% M a g i c k G e t I m a g e B l o b % 3796% % 3797% % 3798% % 3799%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3800% 3801% MagickGetImageBlob() implements direct to memory image formats. It returns 3802% the image as a blob (a formatted "file" in memory) and its length, starting 3803% from the current position in the image sequence. Use MagickSetImageFormat() 3804% to set the format to write to the blob (GIF, JPEG, PNG, etc.). 3805% 3806% Utilize MagickResetIterator() to ensure the write is from the beginning of 3807% the image sequence. 3808% 3809% Use MagickRelinquishMemory() to free the blob when you are done with it. 3810% 3811% The format of the MagickGetImageBlob method is: 3812% 3813% unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3814% 3815% A description of each parameter follows: 3816% 3817% o wand: the magick wand. 3818% 3819% o length: the length of the blob. 3820% 3821*/ 3822WandExport unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3823{ 3824 unsigned char 3825 *blob; 3826 3827 assert(wand != (MagickWand *) NULL); 3828 assert(wand->signature == MagickWandSignature); 3829 if (IfMagickTrue(wand->debug)) 3830 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3831 if (wand->images == (Image *) NULL) 3832 { 3833 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3834 "ContainsNoImages","`%s'",wand->name); 3835 return((unsigned char *) NULL); 3836 } 3837 blob=(unsigned char *) ImageToBlob(wand->image_info,wand->images,length, 3838 wand->exception); 3839 return(blob); 3840} 3841 3842/* 3843%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3844% % 3845% % 3846% % 3847% M a g i c k G e t I m a g e s B l o b % 3848% % 3849% % 3850% % 3851%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3852% 3853% MagickGetImageBlob() implements direct to memory image formats. It 3854% returns the image sequence as a blob and its length. The format of the image 3855% determines the format of the returned blob (GIF, JPEG, PNG, etc.). To 3856% return a different image format, use MagickSetImageFormat(). 3857% 3858% Note, some image formats do not permit multiple images to the same image 3859% stream (e.g. JPEG). in this instance, just the first image of the 3860% sequence is returned as a blob. 3861% 3862% The format of the MagickGetImagesBlob method is: 3863% 3864% unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3865% 3866% A description of each parameter follows: 3867% 3868% o wand: the magick wand. 3869% 3870% o length: the length of the blob. 3871% 3872*/ 3873WandExport unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3874{ 3875 unsigned char 3876 *blob; 3877 3878 assert(wand != (MagickWand *) NULL); 3879 assert(wand->signature == MagickWandSignature); 3880 if (IfMagickTrue(wand->debug)) 3881 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3882 if (wand->images == (Image *) NULL) 3883 { 3884 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3885 "ContainsNoImages","`%s'",wand->name); 3886 return((unsigned char *) NULL); 3887 } 3888 blob=(unsigned char *) ImagesToBlob(wand->image_info,GetFirstImageInList( 3889 wand->images),length,wand->exception); 3890 return(blob); 3891} 3892 3893/* 3894%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3895% % 3896% % 3897% % 3898% 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 % 3899% % 3900% % 3901% % 3902%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3903% 3904% MagickGetImageBluePrimary() returns the chromaticy blue primary point for the 3905% image. 3906% 3907% The format of the MagickGetImageBluePrimary method is: 3908% 3909% MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand,double *x, 3910% double *y) 3911% 3912% A description of each parameter follows: 3913% 3914% o wand: the magick wand. 3915% 3916% o x: the chromaticity blue primary x-point. 3917% 3918% o y: the chromaticity blue primary y-point. 3919% 3920*/ 3921WandExport MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand, 3922 double *x,double *y) 3923{ 3924 assert(wand != (MagickWand *) NULL); 3925 assert(wand->signature == MagickWandSignature); 3926 if (IfMagickTrue(wand->debug)) 3927 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3928 if (wand->images == (Image *) NULL) 3929 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3930 *x=wand->images->chromaticity.blue_primary.x; 3931 *y=wand->images->chromaticity.blue_primary.y; 3932 return(MagickTrue); 3933} 3934 3935/* 3936%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3937% % 3938% % 3939% % 3940% 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 % 3941% % 3942% % 3943% % 3944%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3945% 3946% MagickGetImageBorderColor() returns the image border color. 3947% 3948% The format of the MagickGetImageBorderColor method is: 3949% 3950% MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3951% PixelWand *border_color) 3952% 3953% A description of each parameter follows: 3954% 3955% o wand: the magick wand. 3956% 3957% o border_color: Return the border color. 3958% 3959*/ 3960WandExport MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3961 PixelWand *border_color) 3962{ 3963 assert(wand != (MagickWand *) NULL); 3964 assert(wand->signature == MagickWandSignature); 3965 if (IfMagickTrue(wand->debug)) 3966 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3967 if (wand->images == (Image *) NULL) 3968 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3969 PixelSetPixelColor(border_color,&wand->images->border_color); 3970 return(MagickTrue); 3971} 3972 3973/* 3974%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3975% % 3976% % 3977% % 3978% M a g i c k G e t I m a g e F e a t u r e s % 3979% % 3980% % 3981% % 3982%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3983% 3984% MagickGetImageFeatures() returns features for each channel in the 3985% image in each of four directions (horizontal, vertical, left and right 3986% diagonals) for the specified distance. The features include the angular 3987% second moment, contrast, correlation, sum of squares: variance, inverse 3988% difference moment, sum average, sum varience, sum entropy, entropy, 3989% difference variance, difference entropy, information measures of 3990% correlation 1, information measures of correlation 2, and maximum 3991% correlation coefficient. You can access the red channel contrast, for 3992% example, like this: 3993% 3994% channel_features=MagickGetImageFeatures(wand,1); 3995% contrast=channel_features[RedPixelChannel].contrast[0]; 3996% 3997% Use MagickRelinquishMemory() to free the statistics buffer. 3998% 3999% The format of the MagickGetImageFeatures method is: 4000% 4001% ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 4002% const size_t distance) 4003% 4004% A description of each parameter follows: 4005% 4006% o wand: the magick wand. 4007% 4008% o distance: the distance. 4009% 4010*/ 4011WandExport ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 4012 const size_t distance) 4013{ 4014 assert(wand != (MagickWand *) NULL); 4015 assert(wand->signature == MagickWandSignature); 4016 if (IfMagickTrue(wand->debug)) 4017 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4018 if (wand->images == (Image *) NULL) 4019 { 4020 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4021 "ContainsNoImages","`%s'",wand->name); 4022 return((ChannelFeatures *) NULL); 4023 } 4024 return(GetImageFeatures(wand->images,distance,wand->exception)); 4025} 4026 4027/* 4028%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4029% % 4030% % 4031% % 4032% M a g i c k G e t I m a g e K u r t o s i s % 4033% % 4034% % 4035% % 4036%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4037% 4038% MagickGetImageKurtosis() gets the kurtosis and skewness of one or 4039% more image channels. 4040% 4041% The format of the MagickGetImageKurtosis method is: 4042% 4043% MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 4044% double *kurtosis,double *skewness) 4045% 4046% A description of each parameter follows: 4047% 4048% o wand: the magick wand. 4049% 4050% o kurtosis: The kurtosis for the specified channel(s). 4051% 4052% o skewness: The skewness for the specified channel(s). 4053% 4054*/ 4055WandExport MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 4056 double *kurtosis,double *skewness) 4057{ 4058 MagickBooleanType 4059 status; 4060 4061 assert(wand != (MagickWand *) NULL); 4062 assert(wand->signature == MagickWandSignature); 4063 if (IfMagickTrue(wand->debug)) 4064 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4065 if (wand->images == (Image *) NULL) 4066 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4067 status=GetImageKurtosis(wand->images,kurtosis,skewness,wand->exception); 4068 return(status); 4069} 4070 4071/* 4072%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4073% % 4074% % 4075% % 4076% M a g i c k G e t I m a g e M e a n % 4077% % 4078% % 4079% % 4080%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4081% 4082% MagickGetImageMean() gets the mean and standard deviation of one or more 4083% image channels. 4084% 4085% The format of the MagickGetImageMean method is: 4086% 4087% MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 4088% double *standard_deviation) 4089% 4090% A description of each parameter follows: 4091% 4092% o wand: the magick wand. 4093% 4094% o channel: the image channel(s). 4095% 4096% o mean: The mean pixel value for the specified channel(s). 4097% 4098% o standard_deviation: The standard deviation for the specified channel(s). 4099% 4100*/ 4101WandExport MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 4102 double *standard_deviation) 4103{ 4104 MagickBooleanType 4105 status; 4106 4107 assert(wand != (MagickWand *) NULL); 4108 assert(wand->signature == MagickWandSignature); 4109 if (IfMagickTrue(wand->debug)) 4110 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4111 if (wand->images == (Image *) NULL) 4112 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4113 status=GetImageMean(wand->images,mean,standard_deviation,wand->exception); 4114 return(status); 4115} 4116 4117/* 4118%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4119% % 4120% % 4121% % 4122% M a g i c k G e t I m a g e R a n g e % 4123% % 4124% % 4125% % 4126%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4127% 4128% MagickGetImageRange() gets the range for one or more image channels. 4129% 4130% The format of the MagickGetImageRange method is: 4131% 4132% MagickBooleanType MagickGetImageRange(MagickWand *wand,double *minima, 4133% double *maxima) 4134% 4135% A description of each parameter follows: 4136% 4137% o wand: the magick wand. 4138% 4139% o minima: The minimum pixel value for the specified channel(s). 4140% 4141% o maxima: The maximum pixel value for the specified channel(s). 4142% 4143*/ 4144WandExport MagickBooleanType MagickGetImageRange(MagickWand *wand, 4145 double *minima,double *maxima) 4146{ 4147 MagickBooleanType 4148 status; 4149 4150 assert(wand != (MagickWand *) NULL); 4151 assert(wand->signature == MagickWandSignature); 4152 if (IfMagickTrue(wand->debug)) 4153 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4154 if (wand->images == (Image *) NULL) 4155 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4156 status=GetImageRange(wand->images,minima,maxima,wand->exception); 4157 return(status); 4158} 4159 4160/* 4161%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4162% % 4163% % 4164% % 4165% M a g i c k G e t I m a g e S t a t i s t i c s % 4166% % 4167% % 4168% % 4169%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4170% 4171% MagickGetImageStatistics() returns statistics for each channel in the 4172% image. The statistics include the channel depth, its minima and 4173% maxima, the mean, the standard deviation, the kurtosis and the skewness. 4174% You can access the red channel mean, for example, like this: 4175% 4176% channel_statistics=MagickGetImageStatistics(wand); 4177% red_mean=channel_statistics[RedPixelChannel].mean; 4178% 4179% Use MagickRelinquishMemory() to free the statistics buffer. 4180% 4181% The format of the MagickGetImageStatistics method is: 4182% 4183% ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 4184% 4185% A description of each parameter follows: 4186% 4187% o wand: the magick wand. 4188% 4189*/ 4190WandExport ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 4191{ 4192 assert(wand != (MagickWand *) NULL); 4193 assert(wand->signature == MagickWandSignature); 4194 if (IfMagickTrue(wand->debug)) 4195 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4196 if (wand->images == (Image *) NULL) 4197 { 4198 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4199 "ContainsNoImages","`%s'",wand->name); 4200 return((ChannelStatistics *) NULL); 4201 } 4202 return(GetImageStatistics(wand->images,wand->exception)); 4203} 4204 4205/* 4206%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4207% % 4208% % 4209% % 4210% 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 % 4211% % 4212% % 4213% % 4214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4215% 4216% MagickGetImageColormapColor() returns the color of the specified colormap 4217% index. 4218% 4219% The format of the MagickGetImageColormapColor method is: 4220% 4221% MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 4222% const size_t index,PixelWand *color) 4223% 4224% A description of each parameter follows: 4225% 4226% o wand: the magick wand. 4227% 4228% o index: the offset into the image colormap. 4229% 4230% o color: Return the colormap color in this wand. 4231% 4232*/ 4233WandExport MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 4234 const size_t index,PixelWand *color) 4235{ 4236 assert(wand != (MagickWand *) NULL); 4237 assert(wand->signature == MagickWandSignature); 4238 if (IfMagickTrue(wand->debug)) 4239 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4240 if (wand->images == (Image *) NULL) 4241 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4242 if ((wand->images->colormap == (PixelInfo *) NULL) || 4243 (index >= wand->images->colors)) 4244 { 4245 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4246 "InvalidColormapIndex","`%s'",wand->name); 4247 return(MagickFalse); 4248 } 4249 PixelSetPixelColor(color,wand->images->colormap+index); 4250 return(MagickTrue); 4251} 4252 4253/* 4254%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4255% % 4256% % 4257% % 4258% M a g i c k G e t I m a g e C o l o r s % 4259% % 4260% % 4261% % 4262%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4263% 4264% MagickGetImageColors() gets the number of unique colors in the image. 4265% 4266% The format of the MagickGetImageColors method is: 4267% 4268% size_t MagickGetImageColors(MagickWand *wand) 4269% 4270% A description of each parameter follows: 4271% 4272% o wand: the magick wand. 4273% 4274*/ 4275WandExport size_t MagickGetImageColors(MagickWand *wand) 4276{ 4277 assert(wand != (MagickWand *) NULL); 4278 assert(wand->signature == MagickWandSignature); 4279 if (IfMagickTrue(wand->debug)) 4280 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4281 if (wand->images == (Image *) NULL) 4282 { 4283 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4284 "ContainsNoImages","`%s'",wand->name); 4285 return(0); 4286 } 4287 return(GetNumberColors(wand->images,(FILE *) NULL,wand->exception)); 4288} 4289 4290/* 4291%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4292% % 4293% % 4294% % 4295% M a g i c k G e t I m a g e C o l o r s p a c e % 4296% % 4297% % 4298% % 4299%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4300% 4301% MagickGetImageColorspace() gets the image colorspace. 4302% 4303% The format of the MagickGetImageColorspace method is: 4304% 4305% ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4306% 4307% A description of each parameter follows: 4308% 4309% o wand: the magick wand. 4310% 4311*/ 4312WandExport ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4313{ 4314 assert(wand != (MagickWand *) NULL); 4315 assert(wand->signature == MagickWandSignature); 4316 if (IfMagickTrue(wand->debug)) 4317 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4318 if (wand->images == (Image *) NULL) 4319 { 4320 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4321 "ContainsNoImages","`%s'",wand->name); 4322 return(UndefinedColorspace); 4323 } 4324 return(wand->images->colorspace); 4325} 4326 4327/* 4328%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4329% % 4330% % 4331% % 4332% M a g i c k G e t I m a g e C o m p o s e % 4333% % 4334% % 4335% % 4336%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4337% 4338% MagickGetImageCompose() returns the composite operator associated with the 4339% image. 4340% 4341% The format of the MagickGetImageCompose method is: 4342% 4343% CompositeOperator MagickGetImageCompose(MagickWand *wand) 4344% 4345% A description of each parameter follows: 4346% 4347% o wand: the magick wand. 4348% 4349*/ 4350WandExport CompositeOperator MagickGetImageCompose(MagickWand *wand) 4351{ 4352 assert(wand != (MagickWand *) NULL); 4353 assert(wand->signature == MagickWandSignature); 4354 if (IfMagickTrue(wand->debug)) 4355 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4356 if (wand->images == (Image *) NULL) 4357 { 4358 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4359 "ContainsNoImages","`%s'",wand->name); 4360 return(UndefinedCompositeOp); 4361 } 4362 return(wand->images->compose); 4363} 4364 4365/* 4366%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4367% % 4368% % 4369% % 4370% 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 % 4371% % 4372% % 4373% % 4374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4375% 4376% MagickGetImageCompression() gets the image compression. 4377% 4378% The format of the MagickGetImageCompression method is: 4379% 4380% CompressionType MagickGetImageCompression(MagickWand *wand) 4381% 4382% A description of each parameter follows: 4383% 4384% o wand: the magick wand. 4385% 4386*/ 4387WandExport CompressionType MagickGetImageCompression(MagickWand *wand) 4388{ 4389 assert(wand != (MagickWand *) NULL); 4390 assert(wand->signature == MagickWandSignature); 4391 if (IfMagickTrue(wand->debug)) 4392 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4393 if (wand->images == (Image *) NULL) 4394 { 4395 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4396 "ContainsNoImages","`%s'",wand->name); 4397 return(UndefinedCompression); 4398 } 4399 return(wand->images->compression); 4400} 4401 4402/* 4403%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4404% % 4405% % 4406% % 4407% 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 % 4408% % 4409% % 4410% % 4411%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4412% 4413% MagickGetImageCompressionQuality() gets the image compression quality. 4414% 4415% The format of the MagickGetImageCompressionQuality method is: 4416% 4417% size_t MagickGetImageCompressionQuality(MagickWand *wand) 4418% 4419% A description of each parameter follows: 4420% 4421% o wand: the magick wand. 4422% 4423*/ 4424WandExport size_t MagickGetImageCompressionQuality(MagickWand *wand) 4425{ 4426 assert(wand != (MagickWand *) NULL); 4427 assert(wand->signature == MagickWandSignature); 4428 if (IfMagickTrue(wand->debug)) 4429 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4430 if (wand->images == (Image *) NULL) 4431 { 4432 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4433 "ContainsNoImages","`%s'",wand->name); 4434 return(0UL); 4435 } 4436 return(wand->images->quality); 4437} 4438 4439/* 4440%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4441% % 4442% % 4443% % 4444% M a g i c k G e t I m a g e D e l a y % 4445% % 4446% % 4447% % 4448%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4449% 4450% MagickGetImageDelay() gets the image delay. 4451% 4452% The format of the MagickGetImageDelay method is: 4453% 4454% size_t MagickGetImageDelay(MagickWand *wand) 4455% 4456% A description of each parameter follows: 4457% 4458% o wand: the magick wand. 4459% 4460*/ 4461WandExport size_t MagickGetImageDelay(MagickWand *wand) 4462{ 4463 assert(wand != (MagickWand *) NULL); 4464 assert(wand->signature == MagickWandSignature); 4465 if (IfMagickTrue(wand->debug)) 4466 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4467 if (wand->images == (Image *) NULL) 4468 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4469 return(wand->images->delay); 4470} 4471 4472/* 4473%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4474% % 4475% % 4476% % 4477% M a g i c k G e t I m a g e D e p t h % 4478% % 4479% % 4480% % 4481%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4482% 4483% MagickGetImageDepth() gets the image depth. 4484% 4485% The format of the MagickGetImageDepth method is: 4486% 4487% size_t MagickGetImageDepth(MagickWand *wand) 4488% 4489% A description of each parameter follows: 4490% 4491% o wand: the magick wand. 4492% 4493*/ 4494WandExport size_t MagickGetImageDepth(MagickWand *wand) 4495{ 4496 assert(wand != (MagickWand *) NULL); 4497 assert(wand->signature == MagickWandSignature); 4498 if (IfMagickTrue(wand->debug)) 4499 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4500 if (wand->images == (Image *) NULL) 4501 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4502 return(wand->images->depth); 4503} 4504 4505/* 4506%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4507% % 4508% % 4509% % 4510% M a g i c k G e t I m a g e D i s p o s e % 4511% % 4512% % 4513% % 4514%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4515% 4516% MagickGetImageDispose() gets the image disposal method. 4517% 4518% The format of the MagickGetImageDispose method is: 4519% 4520% DisposeType MagickGetImageDispose(MagickWand *wand) 4521% 4522% A description of each parameter follows: 4523% 4524% o wand: the magick wand. 4525% 4526*/ 4527WandExport DisposeType MagickGetImageDispose(MagickWand *wand) 4528{ 4529 assert(wand != (MagickWand *) NULL); 4530 assert(wand->signature == MagickWandSignature); 4531 if (IfMagickTrue(wand->debug)) 4532 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4533 if (wand->images == (Image *) NULL) 4534 { 4535 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4536 "ContainsNoImages","`%s'",wand->name); 4537 return(UndefinedDispose); 4538 } 4539 return((DisposeType) wand->images->dispose); 4540} 4541 4542/* 4543%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4544% % 4545% % 4546% % 4547% M a g i c k G e t I m a g e D i s t o r t i o n % 4548% % 4549% % 4550% % 4551%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4552% 4553% MagickGetImageDistortion() compares an image to a reconstructed image and 4554% returns the specified distortion metric. 4555% 4556% The format of the MagickGetImageDistortion method is: 4557% 4558% MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4559% const MagickWand *reference,const MetricType metric, 4560% double *distortion) 4561% 4562% A description of each parameter follows: 4563% 4564% o wand: the magick wand. 4565% 4566% o reference: the reference wand. 4567% 4568% o metric: the metric. 4569% 4570% o distortion: the computed distortion between the images. 4571% 4572*/ 4573WandExport MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4574 const MagickWand *reference,const MetricType metric,double *distortion) 4575{ 4576 MagickBooleanType 4577 status; 4578 4579 assert(wand != (MagickWand *) NULL); 4580 assert(wand->signature == MagickWandSignature); 4581 if (IfMagickTrue(wand->debug)) 4582 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4583 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4584 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4585 status=GetImageDistortion(wand->images,reference->images,metric,distortion, 4586 wand->exception); 4587 return(status); 4588} 4589 4590/* 4591%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4592% % 4593% % 4594% % 4595% 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 % 4596% % 4597% % 4598% % 4599%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4600% 4601% MagickGetImageDistortions() compares one or more pixel channels of an 4602% image to a reconstructed image and returns the specified distortion metrics. 4603% 4604% Use MagickRelinquishMemory() to free the metrics when you are done with them. 4605% 4606% The format of the MagickGetImageDistortion method is: 4607% 4608% double *MagickGetImageDistortion(MagickWand *wand, 4609% const MagickWand *reference,const MetricType metric) 4610% 4611% A description of each parameter follows: 4612% 4613% o wand: the magick wand. 4614% 4615% o reference: the reference wand. 4616% 4617% o metric: the metric. 4618% 4619*/ 4620WandExport double *MagickGetImageDistortions(MagickWand *wand, 4621 const MagickWand *reference,const MetricType metric) 4622{ 4623 double 4624 *channel_distortion; 4625 4626 assert(wand != (MagickWand *) NULL); 4627 assert(wand->signature == MagickWandSignature); 4628 if (IfMagickTrue(wand->debug)) 4629 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4630 assert(reference != (MagickWand *) NULL); 4631 assert(reference->signature == MagickWandSignature); 4632 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4633 { 4634 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4635 "ContainsNoImages","`%s'",wand->name); 4636 return((double *) NULL); 4637 } 4638 channel_distortion=GetImageDistortions(wand->images,reference->images, 4639 metric,wand->exception); 4640 return(channel_distortion); 4641} 4642 4643/* 4644%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4645% % 4646% % 4647% % 4648% M a g i c k G e t I m a g e E n d i a n % 4649% % 4650% % 4651% % 4652%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4653% 4654% MagickGetImageEndian() gets the image endian. 4655% 4656% The format of the MagickGetImageEndian method is: 4657% 4658% EndianType MagickGetImageEndian(MagickWand *wand) 4659% 4660% A description of each parameter follows: 4661% 4662% o wand: the magick wand. 4663% 4664*/ 4665WandExport EndianType MagickGetImageEndian(MagickWand *wand) 4666{ 4667 assert(wand != (MagickWand *) NULL); 4668 assert(wand->signature == MagickWandSignature); 4669 if (IfMagickTrue(wand->debug)) 4670 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4671 if (wand->images == (Image *) NULL) 4672 { 4673 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4674 "ContainsNoImages","`%s'",wand->name); 4675 return(UndefinedEndian); 4676 } 4677 return(wand->images->endian); 4678} 4679 4680/* 4681%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4682% % 4683% % 4684% % 4685% M a g i c k G e t I m a g e F i l e n a m e % 4686% % 4687% % 4688% % 4689%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4690% 4691% MagickGetImageFilename() returns the filename of a particular image in a 4692% sequence. 4693% 4694% The format of the MagickGetImageFilename method is: 4695% 4696% char *MagickGetImageFilename(MagickWand *wand) 4697% 4698% A description of each parameter follows: 4699% 4700% o wand: the magick wand. 4701% 4702*/ 4703WandExport char *MagickGetImageFilename(MagickWand *wand) 4704{ 4705 assert(wand != (MagickWand *) NULL); 4706 assert(wand->signature == MagickWandSignature); 4707 if (IfMagickTrue(wand->debug)) 4708 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4709 if (wand->images == (Image *) NULL) 4710 { 4711 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4712 "ContainsNoImages","`%s'",wand->name); 4713 return((char *) NULL); 4714 } 4715 return(AcquireString(wand->images->filename)); 4716} 4717 4718/* 4719%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4720% % 4721% % 4722% % 4723% M a g i c k G e t I m a g e F o r m a t % 4724% % 4725% % 4726% % 4727%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4728% 4729% MagickGetImageFormat() returns the format of a particular image in a 4730% sequence. 4731% 4732% The format of the MagickGetImageFormat method is: 4733% 4734% char *MagickGetImageFormat(MagickWand *wand) 4735% 4736% A description of each parameter follows: 4737% 4738% o wand: the magick wand. 4739% 4740*/ 4741WandExport char *MagickGetImageFormat(MagickWand *wand) 4742{ 4743 assert(wand != (MagickWand *) NULL); 4744 assert(wand->signature == MagickWandSignature); 4745 if (IfMagickTrue(wand->debug)) 4746 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4747 if (wand->images == (Image *) NULL) 4748 { 4749 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4750 "ContainsNoImages","`%s'",wand->name); 4751 return((char *) NULL); 4752 } 4753 return(AcquireString(wand->images->magick)); 4754} 4755 4756/* 4757%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4758% % 4759% % 4760% % 4761% M a g i c k G e t I m a g e F u z z % 4762% % 4763% % 4764% % 4765%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4766% 4767% MagickGetImageFuzz() gets the image fuzz. 4768% 4769% The format of the MagickGetImageFuzz method is: 4770% 4771% double MagickGetImageFuzz(MagickWand *wand) 4772% 4773% A description of each parameter follows: 4774% 4775% o wand: the magick wand. 4776% 4777*/ 4778WandExport double MagickGetImageFuzz(MagickWand *wand) 4779{ 4780 assert(wand != (MagickWand *) NULL); 4781 assert(wand->signature == MagickWandSignature); 4782 if (IfMagickTrue(wand->debug)) 4783 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4784 if (wand->images == (Image *) NULL) 4785 { 4786 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4787 "ContainsNoImages","`%s'",wand->name); 4788 return(0.0); 4789 } 4790 return(wand->images->fuzz); 4791} 4792 4793/* 4794%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4795% % 4796% % 4797% % 4798% M a g i c k G e t I m a g e G a m m a % 4799% % 4800% % 4801% % 4802%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4803% 4804% MagickGetImageGamma() gets the image gamma. 4805% 4806% The format of the MagickGetImageGamma method is: 4807% 4808% double MagickGetImageGamma(MagickWand *wand) 4809% 4810% A description of each parameter follows: 4811% 4812% o wand: the magick wand. 4813% 4814*/ 4815WandExport double MagickGetImageGamma(MagickWand *wand) 4816{ 4817 assert(wand != (MagickWand *) NULL); 4818 assert(wand->signature == MagickWandSignature); 4819 if (IfMagickTrue(wand->debug)) 4820 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4821 if (wand->images == (Image *) NULL) 4822 { 4823 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4824 "ContainsNoImages","`%s'",wand->name); 4825 return(0.0); 4826 } 4827 return(wand->images->gamma); 4828} 4829 4830/* 4831%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4832% % 4833% % 4834% % 4835% M a g i c k G e t I m a g e G r a v i t y % 4836% % 4837% % 4838% % 4839%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4840% 4841% MagickGetImageGravity() gets the image gravity. 4842% 4843% The format of the MagickGetImageGravity method is: 4844% 4845% GravityType MagickGetImageGravity(MagickWand *wand) 4846% 4847% A description of each parameter follows: 4848% 4849% o wand: the magick wand. 4850% 4851*/ 4852WandExport GravityType MagickGetImageGravity(MagickWand *wand) 4853{ 4854 assert(wand != (MagickWand *) NULL); 4855 assert(wand->signature == MagickWandSignature); 4856 if (IfMagickTrue(wand->debug)) 4857 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4858 if (wand->images == (Image *) NULL) 4859 { 4860 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4861 "ContainsNoImages","`%s'",wand->name); 4862 return(UndefinedGravity); 4863 } 4864 return(wand->images->gravity); 4865} 4866 4867/* 4868%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4869% % 4870% % 4871% % 4872% 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 % 4873% % 4874% % 4875% % 4876%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4877% 4878% MagickGetImageGreenPrimary() returns the chromaticy green primary point. 4879% 4880% The format of the MagickGetImageGreenPrimary method is: 4881% 4882% MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand,double *x, 4883% double *y) 4884% 4885% A description of each parameter follows: 4886% 4887% o wand: the magick wand. 4888% 4889% o x: the chromaticity green primary x-point. 4890% 4891% o y: the chromaticity green primary y-point. 4892% 4893*/ 4894WandExport MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand, 4895 double *x,double *y) 4896{ 4897 assert(wand != (MagickWand *) NULL); 4898 assert(wand->signature == MagickWandSignature); 4899 if (IfMagickTrue(wand->debug)) 4900 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4901 if (wand->images == (Image *) NULL) 4902 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4903 *x=wand->images->chromaticity.green_primary.x; 4904 *y=wand->images->chromaticity.green_primary.y; 4905 return(MagickTrue); 4906} 4907 4908/* 4909%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4910% % 4911% % 4912% % 4913% M a g i c k G e t I m a g e H e i g h t % 4914% % 4915% % 4916% % 4917%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4918% 4919% MagickGetImageHeight() returns the image height. 4920% 4921% The format of the MagickGetImageHeight method is: 4922% 4923% size_t MagickGetImageHeight(MagickWand *wand) 4924% 4925% A description of each parameter follows: 4926% 4927% o wand: the magick wand. 4928% 4929*/ 4930WandExport size_t MagickGetImageHeight(MagickWand *wand) 4931{ 4932 assert(wand != (MagickWand *) NULL); 4933 assert(wand->signature == MagickWandSignature); 4934 if (IfMagickTrue(wand->debug)) 4935 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4936 if (wand->images == (Image *) NULL) 4937 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4938 return(wand->images->rows); 4939} 4940 4941/* 4942%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4943% % 4944% % 4945% % 4946% M a g i c k G e t I m a g e H i s t o g r a m % 4947% % 4948% % 4949% % 4950%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4951% 4952% MagickGetImageHistogram() returns the image histogram as an array of 4953% PixelWand wands. 4954% 4955% The format of the MagickGetImageHistogram method is: 4956% 4957% PixelWand **MagickGetImageHistogram(MagickWand *wand, 4958% size_t *number_colors) 4959% 4960% A description of each parameter follows: 4961% 4962% o wand: the magick wand. 4963% 4964% o number_colors: the number of unique colors in the image and the number 4965% of pixel wands returned. 4966% 4967*/ 4968WandExport PixelWand **MagickGetImageHistogram(MagickWand *wand, 4969 size_t *number_colors) 4970{ 4971 PixelInfo 4972 *histogram; 4973 4974 PixelWand 4975 **pixel_wands; 4976 4977 register ssize_t 4978 i; 4979 4980 assert(wand != (MagickWand *) NULL); 4981 assert(wand->signature == MagickWandSignature); 4982 if (IfMagickTrue(wand->debug)) 4983 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4984 if (wand->images == (Image *) NULL) 4985 { 4986 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4987 "ContainsNoImages","`%s'",wand->name); 4988 return((PixelWand **) NULL); 4989 } 4990 histogram=GetImageHistogram(wand->images,number_colors,wand->exception); 4991 if (histogram == (PixelInfo *) NULL) 4992 return((PixelWand **) NULL); 4993 pixel_wands=NewPixelWands(*number_colors); 4994 for (i=0; i < (ssize_t) *number_colors; i++) 4995 { 4996 PixelSetPixelColor(pixel_wands[i],&histogram[i]); 4997 PixelSetColorCount(pixel_wands[i],(size_t) histogram[i].count); 4998 } 4999 histogram=(PixelInfo *) RelinquishMagickMemory(histogram); 5000 return(pixel_wands); 5001} 5002 5003/* 5004%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5005% % 5006% % 5007% % 5008% 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 % 5009% % 5010% % 5011% % 5012%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5013% 5014% MagickGetImageInterlaceScheme() gets the image interlace scheme. 5015% 5016% The format of the MagickGetImageInterlaceScheme method is: 5017% 5018% InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 5019% 5020% A description of each parameter follows: 5021% 5022% o wand: the magick wand. 5023% 5024*/ 5025WandExport InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 5026{ 5027 assert(wand != (MagickWand *) NULL); 5028 assert(wand->signature == MagickWandSignature); 5029 if (IfMagickTrue(wand->debug)) 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(UndefinedInterlace); 5036 } 5037 return(wand->images->interlace); 5038} 5039 5040/* 5041%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5042% % 5043% % 5044% % 5045% 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 % 5046% % 5047% % 5048% % 5049%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5050% 5051% MagickGetImageInterpolateMethod() returns the interpolation method for the 5052% sepcified image. 5053% 5054% The format of the MagickGetImageInterpolateMethod method is: 5055% 5056% PixelInterpolateMethod MagickGetImagePixelInterpolateMethod( 5057% MagickWand *wand) 5058% 5059% A description of each parameter follows: 5060% 5061% o wand: the magick wand. 5062% 5063*/ 5064WandExport PixelInterpolateMethod MagickGetImageInterpolateMethod( 5065 MagickWand *wand) 5066{ 5067 assert(wand != (MagickWand *) NULL); 5068 assert(wand->signature == MagickWandSignature); 5069 if (IfMagickTrue(wand->debug)) 5070 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5071 if (wand->images == (Image *) NULL) 5072 { 5073 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5074 "ContainsNoImages","`%s'",wand->name); 5075 return(UndefinedInterpolatePixel); 5076 } 5077 return(wand->images->interpolate); 5078} 5079 5080/* 5081%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5082% % 5083% % 5084% % 5085% M a g i c k G e t I m a g e I t e r a t i o n s % 5086% % 5087% % 5088% % 5089%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5090% 5091% MagickGetImageIterations() gets the image iterations. 5092% 5093% The format of the MagickGetImageIterations method is: 5094% 5095% size_t MagickGetImageIterations(MagickWand *wand) 5096% 5097% A description of each parameter follows: 5098% 5099% o wand: the magick wand. 5100% 5101*/ 5102WandExport size_t MagickGetImageIterations(MagickWand *wand) 5103{ 5104 assert(wand != (MagickWand *) NULL); 5105 assert(wand->signature == MagickWandSignature); 5106 if (IfMagickTrue(wand->debug)) 5107 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5108 if (wand->images == (Image *) NULL) 5109 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5110 return(wand->images->iterations); 5111} 5112 5113/* 5114%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5115% % 5116% % 5117% % 5118% M a g i c k G e t I m a g e L e n g t h % 5119% % 5120% % 5121% % 5122%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5123% 5124% MagickGetImageLength() returns the image length in bytes. 5125% 5126% The format of the MagickGetImageLength method is: 5127% 5128% MagickBooleanType MagickGetImageLength(MagickWand *wand, 5129% MagickSizeType *length) 5130% 5131% A description of each parameter follows: 5132% 5133% o wand: the magick wand. 5134% 5135% o length: the image length in bytes. 5136% 5137*/ 5138WandExport MagickBooleanType MagickGetImageLength(MagickWand *wand, 5139 MagickSizeType *length) 5140{ 5141 assert(wand != (MagickWand *) NULL); 5142 assert(wand->signature == MagickWandSignature); 5143 if (IfMagickTrue(wand->debug)) 5144 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5145 if (wand->images == (Image *) NULL) 5146 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5147 *length=GetBlobSize(wand->images); 5148 return(MagickTrue); 5149} 5150 5151/* 5152%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5153% % 5154% % 5155% % 5156% M a g i c k G e t I m a g e M a t t e C o l o r % 5157% % 5158% % 5159% % 5160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5161% 5162% MagickGetImageMatteColor() returns the image matte color. 5163% 5164% The format of the MagickGetImageMatteColor method is: 5165% 5166% MagickBooleanType MagickGetImagematteColor(MagickWand *wand, 5167% PixelWand *matte_color) 5168% 5169% A description of each parameter follows: 5170% 5171% o wand: the magick wand. 5172% 5173% o matte_color: Return the matte color. 5174% 5175*/ 5176WandExport MagickBooleanType MagickGetImageMatteColor(MagickWand *wand, 5177 PixelWand *matte_color) 5178{ 5179 assert(wand != (MagickWand *) NULL); 5180 assert(wand->signature == MagickWandSignature); 5181 if (IfMagickTrue(wand->debug)) 5182 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5183 if (wand->images == (Image *) NULL) 5184 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5185 PixelSetPixelColor(matte_color,&wand->images->matte_color); 5186 return(MagickTrue); 5187} 5188 5189/* 5190%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5191% % 5192% % 5193% % 5194% 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 % 5195% % 5196% % 5197% % 5198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5199% 5200% MagickGetImageOrientation() returns the image orientation. 5201% 5202% The format of the MagickGetImageOrientation method is: 5203% 5204% OrientationType MagickGetImageOrientation(MagickWand *wand) 5205% 5206% A description of each parameter follows: 5207% 5208% o wand: the magick wand. 5209% 5210*/ 5211WandExport OrientationType MagickGetImageOrientation(MagickWand *wand) 5212{ 5213 assert(wand != (MagickWand *) NULL); 5214 assert(wand->signature == MagickWandSignature); 5215 if (IfMagickTrue(wand->debug)) 5216 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5217 if (wand->images == (Image *) NULL) 5218 { 5219 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5220 "ContainsNoImages","`%s'",wand->name); 5221 return(UndefinedOrientation); 5222 } 5223 return(wand->images->orientation); 5224} 5225 5226/* 5227%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5228% % 5229% % 5230% % 5231% M a g i c k G e t I m a g e P a g e % 5232% % 5233% % 5234% % 5235%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5236% 5237% MagickGetImagePage() returns the page geometry associated with the image. 5238% 5239% The format of the MagickGetImagePage method is: 5240% 5241% MagickBooleanType MagickGetImagePage(MagickWand *wand, 5242% size_t *width,size_t *height,ssize_t *x,ssize_t *y) 5243% 5244% A description of each parameter follows: 5245% 5246% o wand: the magick wand. 5247% 5248% o width: the page width. 5249% 5250% o height: the page height. 5251% 5252% o x: the page x-offset. 5253% 5254% o y: the page y-offset. 5255% 5256*/ 5257WandExport MagickBooleanType MagickGetImagePage(MagickWand *wand, 5258 size_t *width,size_t *height,ssize_t *x,ssize_t *y) 5259{ 5260 assert(wand != (const MagickWand *) NULL); 5261 assert(wand->signature == MagickWandSignature); 5262 if (IfMagickTrue(wand->debug)) 5263 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5264 if (wand->images == (Image *) NULL) 5265 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5266 *width=wand->images->page.width; 5267 *height=wand->images->page.height; 5268 *x=wand->images->page.x; 5269 *y=wand->images->page.y; 5270 return(MagickTrue); 5271} 5272 5273/* 5274%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5275% % 5276% % 5277% % 5278% M a g i c k G e t I m a g e P i x e l C o l o r % 5279% % 5280% % 5281% % 5282%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5283% 5284% MagickGetImagePixelColor() returns the color of the specified pixel. 5285% 5286% The format of the MagickGetImagePixelColor method is: 5287% 5288% MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5289% const ssize_t x,const ssize_t y,PixelWand *color) 5290% 5291% A description of each parameter follows: 5292% 5293% o wand: the magick wand. 5294% 5295% o x,y: the pixel offset into the image. 5296% 5297% o color: Return the colormap color in this wand. 5298% 5299*/ 5300WandExport MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5301 const ssize_t x,const ssize_t y,PixelWand *color) 5302{ 5303 register const Quantum 5304 *p; 5305 5306 CacheView 5307 *image_view; 5308 5309 assert(wand != (MagickWand *) NULL); 5310 assert(wand->signature == MagickWandSignature); 5311 if (IfMagickTrue(wand->debug)) 5312 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5313 if (wand->images == (Image *) NULL) 5314 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5315 image_view=AcquireVirtualCacheView(wand->images,wand->exception); 5316 p=GetCacheViewVirtualPixels(image_view,x,y,1,1,wand->exception); 5317 if (p == (const Quantum *) NULL) 5318 { 5319 image_view=DestroyCacheView(image_view); 5320 return(MagickFalse); 5321 } 5322 PixelSetQuantumPixel(wand->images,p,color); 5323 image_view=DestroyCacheView(image_view); 5324 return(MagickTrue); 5325} 5326 5327/* 5328%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5329% % 5330% % 5331% % 5332% M a g i c k G e t I m a g e R e d P r i m a r y % 5333% % 5334% % 5335% % 5336%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5337% 5338% MagickGetImageRedPrimary() returns the chromaticy red primary point. 5339% 5340% The format of the MagickGetImageRedPrimary method is: 5341% 5342% MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand,double *x, 5343% double *y) 5344% 5345% A description of each parameter follows: 5346% 5347% o wand: the magick wand. 5348% 5349% o x: the chromaticity red primary x-point. 5350% 5351% o y: the chromaticity red primary y-point. 5352% 5353*/ 5354WandExport MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand, 5355 double *x,double *y) 5356{ 5357 assert(wand != (MagickWand *) NULL); 5358 assert(wand->signature == MagickWandSignature); 5359 if (IfMagickTrue(wand->debug)) 5360 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5361 if (wand->images == (Image *) NULL) 5362 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5363 *x=wand->images->chromaticity.red_primary.x; 5364 *y=wand->images->chromaticity.red_primary.y; 5365 return(MagickTrue); 5366} 5367 5368/* 5369%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5370% % 5371% % 5372% % 5373% M a g i c k G e t I m a g e R e g i o n % 5374% % 5375% % 5376% % 5377%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5378% 5379% MagickGetImageRegion() extracts a region of the image and returns it as a 5380% a new wand. 5381% 5382% The format of the MagickGetImageRegion method is: 5383% 5384% MagickWand *MagickGetImageRegion(MagickWand *wand, 5385% const size_t width,const size_t height,const ssize_t x, 5386% const ssize_t y) 5387% 5388% A description of each parameter follows: 5389% 5390% o wand: the magick wand. 5391% 5392% o width: the region width. 5393% 5394% o height: the region height. 5395% 5396% o x: the region x offset. 5397% 5398% o y: the region y offset. 5399% 5400*/ 5401WandExport MagickWand *MagickGetImageRegion(MagickWand *wand, 5402 const size_t width,const size_t height,const ssize_t x, 5403 const ssize_t y) 5404{ 5405 Image 5406 *region_image; 5407 5408 RectangleInfo 5409 region; 5410 5411 assert(wand != (MagickWand *) NULL); 5412 assert(wand->signature == MagickWandSignature); 5413 if (IfMagickTrue(wand->debug)) 5414 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5415 if (wand->images == (Image *) NULL) 5416 return((MagickWand *) NULL); 5417 region.width=width; 5418 region.height=height; 5419 region.x=x; 5420 region.y=y; 5421 region_image=CropImage(wand->images,®ion,wand->exception); 5422 if (region_image == (Image *) NULL) 5423 return((MagickWand *) NULL); 5424 return(CloneMagickWandFromImages(wand,region_image)); 5425} 5426 5427/* 5428%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5429% % 5430% % 5431% % 5432% 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 % 5433% % 5434% % 5435% % 5436%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5437% 5438% MagickGetImageRenderingIntent() gets the image rendering intent. 5439% 5440% The format of the MagickGetImageRenderingIntent method is: 5441% 5442% RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5443% 5444% A description of each parameter follows: 5445% 5446% o wand: the magick wand. 5447% 5448*/ 5449WandExport RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5450{ 5451 assert(wand != (MagickWand *) NULL); 5452 assert(wand->signature == MagickWandSignature); 5453 if (IfMagickTrue(wand->debug)) 5454 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5455 if (wand->images == (Image *) NULL) 5456 { 5457 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5458 "ContainsNoImages","`%s'",wand->name); 5459 return(UndefinedIntent); 5460 } 5461 return((RenderingIntent) wand->images->rendering_intent); 5462} 5463 5464/* 5465%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5466% % 5467% % 5468% % 5469% M a g i c k G e t I m a g e R e s o l u t i o n % 5470% % 5471% % 5472% % 5473%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5474% 5475% MagickGetImageResolution() gets the image X and Y resolution. 5476% 5477% The format of the MagickGetImageResolution method is: 5478% 5479% MagickBooleanType MagickGetImageResolution(MagickWand *wand,double *x, 5480% double *y) 5481% 5482% A description of each parameter follows: 5483% 5484% o wand: the magick wand. 5485% 5486% o x: the image x-resolution. 5487% 5488% o y: the image y-resolution. 5489% 5490*/ 5491WandExport MagickBooleanType MagickGetImageResolution(MagickWand *wand, 5492 double *x,double *y) 5493{ 5494 assert(wand != (MagickWand *) NULL); 5495 assert(wand->signature == MagickWandSignature); 5496 if (IfMagickTrue(wand->debug)) 5497 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5498 if (wand->images == (Image *) NULL) 5499 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5500 *x=wand->images->resolution.x; 5501 *y=wand->images->resolution.y; 5502 return(MagickTrue); 5503} 5504 5505/* 5506%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5507% % 5508% % 5509% % 5510% M a g i c k G e t I m a g e S c e n e % 5511% % 5512% % 5513% % 5514%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5515% 5516% MagickGetImageScene() gets the image scene. 5517% 5518% The format of the MagickGetImageScene method is: 5519% 5520% size_t MagickGetImageScene(MagickWand *wand) 5521% 5522% A description of each parameter follows: 5523% 5524% o wand: the magick wand. 5525% 5526*/ 5527WandExport size_t MagickGetImageScene(MagickWand *wand) 5528{ 5529 assert(wand != (MagickWand *) NULL); 5530 assert(wand->signature == MagickWandSignature); 5531 if (IfMagickTrue(wand->debug)) 5532 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5533 if (wand->images == (Image *) NULL) 5534 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5535 return(wand->images->scene); 5536} 5537 5538/* 5539%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5540% % 5541% % 5542% % 5543% M a g i c k G e t I m a g e S i g n a t u r e % 5544% % 5545% % 5546% % 5547%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5548% 5549% MagickGetImageSignature() generates an SHA-256 message digest for the image 5550% pixel stream. 5551% 5552% The format of the MagickGetImageSignature method is: 5553% 5554% char *MagickGetImageSignature(MagickWand *wand) 5555% 5556% A description of each parameter follows: 5557% 5558% o wand: the magick wand. 5559% 5560*/ 5561WandExport char *MagickGetImageSignature(MagickWand *wand) 5562{ 5563 const char 5564 *value; 5565 5566 MagickBooleanType 5567 status; 5568 5569 assert(wand != (MagickWand *) NULL); 5570 assert(wand->signature == MagickWandSignature); 5571 if (IfMagickTrue(wand->debug)) 5572 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5573 if (wand->images == (Image *) NULL) 5574 { 5575 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5576 "ContainsNoImages","`%s'",wand->name); 5577 return((char *) NULL); 5578 } 5579 status=SignatureImage(wand->images,wand->exception); 5580 if (IfMagickFalse(status)) 5581 return((char *) NULL); 5582 value=GetImageProperty(wand->images,"signature",wand->exception); 5583 if (value == (const char *) NULL) 5584 return((char *) NULL); 5585 return(AcquireString(value)); 5586} 5587 5588/* 5589%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5590% % 5591% % 5592% % 5593% 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 % 5594% % 5595% % 5596% % 5597%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5598% 5599% MagickGetImageTicksPerSecond() gets the image ticks-per-second. 5600% 5601% The format of the MagickGetImageTicksPerSecond method is: 5602% 5603% size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5604% 5605% A description of each parameter follows: 5606% 5607% o wand: the magick wand. 5608% 5609*/ 5610WandExport size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5611{ 5612 assert(wand != (MagickWand *) NULL); 5613 assert(wand->signature == MagickWandSignature); 5614 if (IfMagickTrue(wand->debug)) 5615 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5616 if (wand->images == (Image *) NULL) 5617 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5618 return((size_t) wand->images->ticks_per_second); 5619} 5620 5621/* 5622%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5623% % 5624% % 5625% % 5626% M a g i c k G e t I m a g e T y p e % 5627% % 5628% % 5629% % 5630%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5631% 5632% MagickGetImageType() gets the potential image type: 5633% 5634% Bilevel Grayscale GrayscaleMatte 5635% Palette PaletteMatte TrueColor 5636% TrueColorMatte ColorSeparation ColorSeparationMatte 5637% 5638% The format of the MagickGetImageType method is: 5639% 5640% ImageType MagickGetImageType(MagickWand *wand) 5641% 5642% A description of each parameter follows: 5643% 5644% o wand: the magick wand. 5645% 5646*/ 5647WandExport ImageType MagickGetImageType(MagickWand *wand) 5648{ 5649 assert(wand != (MagickWand *) NULL); 5650 assert(wand->signature == MagickWandSignature); 5651 if (IfMagickTrue(wand->debug)) 5652 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5653 if (wand->images == (Image *) NULL) 5654 { 5655 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5656 "ContainsNoImages","`%s'",wand->name); 5657 return(UndefinedType); 5658 } 5659 return(GetImageType(wand->images)); 5660} 5661 5662/* 5663%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5664% % 5665% % 5666% % 5667% M a g i c k G e t I m a g e U n i t s % 5668% % 5669% % 5670% % 5671%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5672% 5673% MagickGetImageUnits() gets the image units of resolution. 5674% 5675% The format of the MagickGetImageUnits method is: 5676% 5677% ResolutionType MagickGetImageUnits(MagickWand *wand) 5678% 5679% A description of each parameter follows: 5680% 5681% o wand: the magick wand. 5682% 5683*/ 5684WandExport ResolutionType MagickGetImageUnits(MagickWand *wand) 5685{ 5686 assert(wand != (MagickWand *) NULL); 5687 assert(wand->signature == MagickWandSignature); 5688 if (IfMagickTrue(wand->debug)) 5689 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5690 if (wand->images == (Image *) NULL) 5691 { 5692 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5693 "ContainsNoImages","`%s'",wand->name); 5694 return(UndefinedResolution); 5695 } 5696 return(wand->images->units); 5697} 5698 5699/* 5700%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5701% % 5702% % 5703% % 5704% 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 % 5705% % 5706% % 5707% % 5708%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5709% 5710% MagickGetImageVirtualPixelMethod() returns the virtual pixel method for the 5711% sepcified image. 5712% 5713% The format of the MagickGetImageVirtualPixelMethod method is: 5714% 5715% VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5716% 5717% A description of each parameter follows: 5718% 5719% o wand: the magick wand. 5720% 5721*/ 5722WandExport VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5723{ 5724 assert(wand != (MagickWand *) NULL); 5725 assert(wand->signature == MagickWandSignature); 5726 if (IfMagickTrue(wand->debug)) 5727 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5728 if (wand->images == (Image *) NULL) 5729 { 5730 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5731 "ContainsNoImages","`%s'",wand->name); 5732 return(UndefinedVirtualPixelMethod); 5733 } 5734 return(GetImageVirtualPixelMethod(wand->images)); 5735} 5736 5737/* 5738%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5739% % 5740% % 5741% % 5742% M a g i c k G e t I m a g e W h i t e P o i n t % 5743% % 5744% % 5745% % 5746%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5747% 5748% MagickGetImageWhitePoint() returns the chromaticy white point. 5749% 5750% The format of the MagickGetImageWhitePoint method is: 5751% 5752% MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand,double *x, 5753% double *y) 5754% 5755% A description of each parameter follows: 5756% 5757% o wand: the magick wand. 5758% 5759% o x: the chromaticity white x-point. 5760% 5761% o y: the chromaticity white y-point. 5762% 5763*/ 5764WandExport MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand, 5765 double *x,double *y) 5766{ 5767 assert(wand != (MagickWand *) NULL); 5768 assert(wand->signature == MagickWandSignature); 5769 if (IfMagickTrue(wand->debug)) 5770 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5771 if (wand->images == (Image *) NULL) 5772 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5773 *x=wand->images->chromaticity.white_point.x; 5774 *y=wand->images->chromaticity.white_point.y; 5775 return(MagickTrue); 5776} 5777 5778/* 5779%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5780% % 5781% % 5782% % 5783% M a g i c k G e t I m a g e W i d t h % 5784% % 5785% % 5786% % 5787%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5788% 5789% MagickGetImageWidth() returns the image width. 5790% 5791% The format of the MagickGetImageWidth method is: 5792% 5793% size_t MagickGetImageWidth(MagickWand *wand) 5794% 5795% A description of each parameter follows: 5796% 5797% o wand: the magick wand. 5798% 5799*/ 5800WandExport size_t MagickGetImageWidth(MagickWand *wand) 5801{ 5802 assert(wand != (MagickWand *) NULL); 5803 assert(wand->signature == MagickWandSignature); 5804 if (IfMagickTrue(wand->debug)) 5805 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5806 if (wand->images == (Image *) NULL) 5807 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5808 return(wand->images->columns); 5809} 5810 5811/* 5812%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5813% % 5814% % 5815% % 5816% M a g i c k G e t N u m b e r I m a g e s % 5817% % 5818% % 5819% % 5820%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5821% 5822% MagickGetNumberImages() returns the number of images associated with a 5823% magick wand. 5824% 5825% The format of the MagickGetNumberImages method is: 5826% 5827% size_t MagickGetNumberImages(MagickWand *wand) 5828% 5829% A description of each parameter follows: 5830% 5831% o wand: the magick wand. 5832% 5833*/ 5834WandExport size_t MagickGetNumberImages(MagickWand *wand) 5835{ 5836 assert(wand != (MagickWand *) NULL); 5837 assert(wand->signature == MagickWandSignature); 5838 if (IfMagickTrue(wand->debug)) 5839 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5840 return(GetImageListLength(wand->images)); 5841} 5842 5843/* 5844%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5845% % 5846% % 5847% % 5848% 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 % 5849% % 5850% % 5851% % 5852%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5853% 5854% MagickGetImageTotalInkDensity() gets the image total ink density. 5855% 5856% The format of the MagickGetImageTotalInkDensity method is: 5857% 5858% double MagickGetImageTotalInkDensity(MagickWand *wand) 5859% 5860% A description of each parameter follows: 5861% 5862% o wand: the magick wand. 5863% 5864*/ 5865WandExport double MagickGetImageTotalInkDensity(MagickWand *wand) 5866{ 5867 assert(wand != (MagickWand *) NULL); 5868 assert(wand->signature == MagickWandSignature); 5869 if (IfMagickTrue(wand->debug)) 5870 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5871 if (wand->images == (Image *) NULL) 5872 { 5873 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5874 "ContainsNoImages","`%s'",wand->name); 5875 return(0.0); 5876 } 5877 return(GetImageTotalInkDensity(wand->images,wand->exception)); 5878} 5879 5880/* 5881%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5882% % 5883% % 5884% % 5885% M a g i c k H a l d C l u t I m a g e % 5886% % 5887% % 5888% % 5889%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5890% 5891% MagickHaldClutImage() replaces colors in the image from a Hald color lookup 5892% table. A Hald color lookup table is a 3-dimensional color cube mapped to 2 5893% dimensions. Create it with the HALD coder. You can apply any color 5894% transformation to the Hald image and then use this method to apply the 5895% transform to the image. 5896% 5897% The format of the MagickHaldClutImage method is: 5898% 5899% MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5900% const MagickWand *hald_wand) 5901% 5902% A description of each parameter follows: 5903% 5904% o wand: the magick wand. 5905% 5906% o hald_image: the hald CLUT image. 5907% 5908*/ 5909WandExport MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5910 const MagickWand *hald_wand) 5911{ 5912 MagickBooleanType 5913 status; 5914 5915 assert(wand != (MagickWand *) NULL); 5916 assert(wand->signature == MagickWandSignature); 5917 if (IfMagickTrue(wand->debug)) 5918 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5919 if ((wand->images == (Image *) NULL) || (hald_wand->images == (Image *) NULL)) 5920 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5921 status=HaldClutImage(wand->images,hald_wand->images,wand->exception); 5922 return(status); 5923} 5924 5925/* 5926%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5927% % 5928% % 5929% % 5930% M a g i c k H a s N e x t I m a g e % 5931% % 5932% % 5933% % 5934%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5935% 5936% MagickHasNextImage() returns MagickTrue if the wand has more images when 5937% traversing the list in the forward direction 5938% 5939% The format of the MagickHasNextImage method is: 5940% 5941% MagickBooleanType MagickHasNextImage(MagickWand *wand) 5942% 5943% A description of each parameter follows: 5944% 5945% o wand: the magick wand. 5946% 5947*/ 5948WandExport MagickBooleanType MagickHasNextImage(MagickWand *wand) 5949{ 5950 assert(wand != (MagickWand *) NULL); 5951 assert(wand->signature == MagickWandSignature); 5952 if (IfMagickTrue(wand->debug)) 5953 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5954 if (wand->images == (Image *) NULL) 5955 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5956 if (GetNextImageInList(wand->images) == (Image *) NULL) 5957 return(MagickFalse); 5958 return(MagickTrue); 5959} 5960 5961/* 5962%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5963% % 5964% % 5965% % 5966% M a g i c k H a s P r e v i o u s I m a g e % 5967% % 5968% % 5969% % 5970%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5971% 5972% MagickHasPreviousImage() returns MagickTrue if the wand has more images when 5973% traversing the list in the reverse direction 5974% 5975% The format of the MagickHasPreviousImage method is: 5976% 5977% MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5978% 5979% A description of each parameter follows: 5980% 5981% o wand: the magick wand. 5982% 5983*/ 5984WandExport MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5985{ 5986 assert(wand != (MagickWand *) NULL); 5987 assert(wand->signature == MagickWandSignature); 5988 if (IfMagickTrue(wand->debug)) 5989 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5990 if (wand->images == (Image *) NULL) 5991 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5992 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 5993 return(MagickFalse); 5994 return(MagickTrue); 5995} 5996 5997/* 5998%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5999% % 6000% % 6001% % 6002% M a g i c k I d e n t i f y I m a g e % 6003% % 6004% % 6005% % 6006%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6007% 6008% MagickIdentifyImage() identifies an image by printing its attributes to the 6009% file. Attributes include the image width, height, size, and others. 6010% 6011% The format of the MagickIdentifyImage method is: 6012% 6013% const char *MagickIdentifyImage(MagickWand *wand) 6014% 6015% A description of each parameter follows: 6016% 6017% o wand: the magick wand. 6018% 6019*/ 6020WandExport char *MagickIdentifyImage(MagickWand *wand) 6021{ 6022 char 6023 *description, 6024 filename[MagickPathExtent]; 6025 6026 FILE 6027 *file; 6028 6029 int 6030 unique_file; 6031 6032 assert(wand != (MagickWand *) NULL); 6033 assert(wand->signature == MagickWandSignature); 6034 if (IfMagickTrue(wand->debug)) 6035 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6036 if (wand->images == (Image *) NULL) 6037 { 6038 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6039 "ContainsNoImages","`%s'",wand->name); 6040 return((char *) NULL); 6041 } 6042 description=(char *) NULL; 6043 unique_file=AcquireUniqueFileResource(filename); 6044 file=(FILE *) NULL; 6045 if (unique_file != -1) 6046 file=fdopen(unique_file,"wb"); 6047 if ((unique_file == -1) || (file == (FILE *) NULL)) 6048 { 6049 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6050 "UnableToCreateTemporaryFile","`%s'",wand->name); 6051 return((char *) NULL); 6052 } 6053 (void) IdentifyImage(wand->images,file,MagickTrue,wand->exception); 6054 (void) fclose(file); 6055 description=FileToString(filename,~0UL,wand->exception); 6056 (void) RelinquishUniqueFileResource(filename); 6057 return(description); 6058} 6059 6060/* 6061%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6062% % 6063% % 6064% % 6065% M a g i c k I d e n t i f y I m a g e T y p e % 6066% % 6067% % 6068% % 6069%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6070% 6071% MagickIdentifyImageType() gets the potential image type: 6072% 6073% Bilevel Grayscale GrayscaleMatte 6074% Palette PaletteMatte TrueColor 6075% TrueColorMatte ColorSeparation ColorSeparationMatte 6076% 6077% To ensure the image type matches its potential, use MagickSetImageType(): 6078% 6079% (void) MagickSetImageType(wand,MagickIdentifyImageType(wand)); 6080% 6081% The format of the MagickIdentifyImageType method is: 6082% 6083% ImageType MagickIdentifyImageType(MagickWand *wand) 6084% 6085% A description of each parameter follows: 6086% 6087% o wand: the magick wand. 6088% 6089*/ 6090WandExport ImageType MagickIdentifyImageType(MagickWand *wand) 6091{ 6092 assert(wand != (MagickWand *) NULL); 6093 assert(wand->signature == MagickWandSignature); 6094 if (IfMagickTrue(wand->debug)) 6095 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6096 if (wand->images == (Image *) NULL) 6097 { 6098 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6099 "ContainsNoImages","`%s'",wand->name); 6100 return(UndefinedType); 6101 } 6102 return(IdentifyImageType(wand->images,wand->exception)); 6103} 6104 6105/* 6106%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6107% % 6108% % 6109% % 6110% M a g i c k I m p l o d e I m a g e % 6111% % 6112% % 6113% % 6114%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6115% 6116% MagickImplodeImage() creates a new image that is a copy of an existing 6117% one with the image pixels "implode" by the specified percentage. It 6118% allocates the memory necessary for the new Image structure and returns a 6119% pointer to the new image. 6120% 6121% The format of the MagickImplodeImage method is: 6122% 6123% MagickBooleanType MagickImplodeImage(MagickWand *wand, 6124% const double radius,const PixelInterpolateMethod method) 6125% 6126% A description of each parameter follows: 6127% 6128% o wand: the magick wand. 6129% 6130% o amount: Define the extent of the implosion. 6131% 6132% o method: the pixel interpolation method. 6133% 6134*/ 6135WandExport MagickBooleanType MagickImplodeImage(MagickWand *wand, 6136 const double amount,const PixelInterpolateMethod method) 6137{ 6138 Image 6139 *implode_image; 6140 6141 assert(wand != (MagickWand *) NULL); 6142 assert(wand->signature == MagickWandSignature); 6143 if (IfMagickTrue(wand->debug)) 6144 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6145 if (wand->images == (Image *) NULL) 6146 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6147 implode_image=ImplodeImage(wand->images,amount,method,wand->exception); 6148 if (implode_image == (Image *) NULL) 6149 return(MagickFalse); 6150 ReplaceImageInList(&wand->images,implode_image); 6151 return(MagickTrue); 6152} 6153 6154/* 6155%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6156% % 6157% % 6158% % 6159% M a g i c k I m p o r t I m a g e P i x e l s % 6160% % 6161% % 6162% % 6163%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6164% 6165% MagickImportImagePixels() accepts pixel datand stores it in the image at the 6166% location you specify. The method returns MagickFalse on success otherwise 6167% MagickTrue if an error is encountered. The pixel data can be either char, 6168% short int, int, ssize_t, float, or double in the order specified by map. 6169% 6170% Suppose your want to upload the first scanline of a 640x480 image from 6171% character data in red-green-blue order: 6172% 6173% MagickImportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 6174% 6175% The format of the MagickImportImagePixels method is: 6176% 6177% MagickBooleanType MagickImportImagePixels(MagickWand *wand, 6178% const ssize_t x,const ssize_t y,const size_t columns, 6179% const size_t rows,const char *map,const StorageType storage, 6180% const void *pixels) 6181% 6182% A description of each parameter follows: 6183% 6184% o wand: the magick wand. 6185% 6186% o x, y, columns, rows: These values define the perimeter of a region 6187% of pixels you want to define. 6188% 6189% o map: This string reflects the expected ordering of the pixel array. 6190% It can be any combination or order of R = red, G = green, B = blue, 6191% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 6192% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 6193% P = pad. 6194% 6195% o storage: Define the data type of the pixels. Float and double types are 6196% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 6197% these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, 6198% or DoublePixel. 6199% 6200% o pixels: This array of values contain the pixel components as defined by 6201% map and type. You must preallocate this array where the expected 6202% length varies depending on the values of width, height, map, and type. 6203% 6204*/ 6205WandExport MagickBooleanType MagickImportImagePixels(MagickWand *wand, 6206 const ssize_t x,const ssize_t y,const size_t columns,const size_t rows, 6207 const char *map,const StorageType storage,const void *pixels) 6208{ 6209 MagickBooleanType 6210 status; 6211 6212 assert(wand != (MagickWand *) NULL); 6213 assert(wand->signature == MagickWandSignature); 6214 if (IfMagickTrue(wand->debug)) 6215 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6216 if (wand->images == (Image *) NULL) 6217 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6218 status=ImportImagePixels(wand->images,x,y,columns,rows,map,storage,pixels, 6219 wand->exception); 6220 return(status); 6221} 6222 6223/* 6224%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6225% % 6226% % 6227% % 6228% 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 % 6229% % 6230% % 6231% % 6232%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6233% 6234% MagickInterpolativeResizeImage() resize image using a interpolative 6235% method. 6236% 6237% MagickBooleanType MagickInterpolativeResizeImage(MagickWand *wand, 6238% const size_t columns,const size_t rows, 6239% const PixelInterpolateMethod method) 6240% 6241% A description of each parameter follows: 6242% 6243% o wand: the magick wand. 6244% 6245% o columns: the number of columns in the scaled image. 6246% 6247% o rows: the number of rows in the scaled image. 6248% 6249% o interpolate: the pixel interpolation method. 6250% 6251*/ 6252WandExport MagickBooleanType MagickInterpolativeResizeImage(MagickWand *wand, 6253 const size_t columns,const size_t rows,const PixelInterpolateMethod method) 6254{ 6255 Image 6256 *resize_image; 6257 6258 assert(wand != (MagickWand *) NULL); 6259 assert(wand->signature == MagickWandSignature); 6260 if (IfMagickTrue(wand->debug)) 6261 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6262 if (wand->images == (Image *) NULL) 6263 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6264 resize_image=InterpolativeResizeImage(wand->images,columns,rows,method, 6265 wand->exception); 6266 if (resize_image == (Image *) NULL) 6267 return(MagickFalse); 6268 ReplaceImageInList(&wand->images,resize_image); 6269 return(MagickTrue); 6270} 6271 6272/* 6273%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6274% % 6275% % 6276% % 6277% 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 % 6278% % 6279% % 6280% % 6281%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6282% 6283% MagickInverseFourierTransformImage() implements the inverse discrete 6284% Fourier transform (DFT) of the image either as a magnitude / phase or real / 6285% imaginary image pair. 6286% 6287% The format of the MagickInverseFourierTransformImage method is: 6288% 6289% MagickBooleanType MagickInverseFourierTransformImage( 6290% MagickWand *magnitude_wand,MagickWand *phase_wand, 6291% const MagickBooleanType magnitude) 6292% 6293% A description of each parameter follows: 6294% 6295% o magnitude_wand: the magnitude or real wand. 6296% 6297% o phase_wand: the phase or imaginary wand. 6298% 6299% o magnitude: if true, return as magnitude / phase pair otherwise a real / 6300% imaginary image pair. 6301% 6302*/ 6303WandExport MagickBooleanType MagickInverseFourierTransformImage( 6304 MagickWand *magnitude_wand,MagickWand *phase_wand, 6305 const MagickBooleanType magnitude) 6306{ 6307 Image 6308 *inverse_image; 6309 6310 MagickWand 6311 *wand; 6312 6313 assert(magnitude_wand != (MagickWand *) NULL); 6314 assert(magnitude_wand->signature == MagickWandSignature); 6315 if (IfMagickTrue(magnitude_wand->debug)) 6316 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", 6317 magnitude_wand->name); 6318 wand=magnitude_wand; 6319 if (magnitude_wand->images == (Image *) NULL) 6320 ThrowWandException(WandError,"ContainsNoImages", 6321 magnitude_wand->name); 6322 assert(phase_wand != (MagickWand *) NULL); 6323 assert(phase_wand->signature == MagickWandSignature); 6324 inverse_image=InverseFourierTransformImage(magnitude_wand->images, 6325 phase_wand->images,magnitude,wand->exception); 6326 if (inverse_image == (Image *) NULL) 6327 return(MagickFalse); 6328 ReplaceImageInList(&wand->images,inverse_image); 6329 return(MagickTrue); 6330} 6331 6332/* 6333%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6334% % 6335% % 6336% % 6337% M a g i c k L a b e l I m a g e % 6338% % 6339% % 6340% % 6341%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6342% 6343% MagickLabelImage() adds a label to your image. 6344% 6345% The format of the MagickLabelImage method is: 6346% 6347% MagickBooleanType MagickLabelImage(MagickWand *wand,const char *label) 6348% 6349% A description of each parameter follows: 6350% 6351% o wand: the magick wand. 6352% 6353% o label: the image label. 6354% 6355*/ 6356WandExport MagickBooleanType MagickLabelImage(MagickWand *wand, 6357 const char *label) 6358{ 6359 MagickBooleanType 6360 status; 6361 6362 assert(wand != (MagickWand *) NULL); 6363 assert(wand->signature == MagickWandSignature); 6364 if (IfMagickTrue(wand->debug)) 6365 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6366 if (wand->images == (Image *) NULL) 6367 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6368 status=SetImageProperty(wand->images,"label",label,wand->exception); 6369 return(status); 6370} 6371 6372/* 6373%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6374% % 6375% % 6376% % 6377% M a g i c k L e v e l I m a g e % 6378% % 6379% % 6380% % 6381%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6382% 6383% MagickLevelImage() adjusts the levels of an image by scaling the colors 6384% falling between specified white and black points to the full available 6385% quantum range. The parameters provided represent the black, mid, and white 6386% points. The black point specifies the darkest color in the image. Colors 6387% darker than the black point are set to zero. Mid point specifies a gamma 6388% correction to apply to the image. White point specifies the lightest color 6389% in the image. Colors brighter than the white point are set to the maximum 6390% quantum value. 6391% 6392% The format of the MagickLevelImage method is: 6393% 6394% MagickBooleanType MagickLevelImage(MagickWand *wand, 6395% const double black_point,const double gamma,const double white_point) 6396% MagickBooleanType MagickLevelImage(MagickWand *wand, 6397% const ChannelType channel,const double black_point,const double gamma, 6398% const double white_point) 6399% 6400% A description of each parameter follows: 6401% 6402% o wand: the magick wand. 6403% 6404% o channel: Identify which channel to level: RedPixelChannel, 6405% GreenPixelChannel, etc. 6406% 6407% o black_point: the black point. 6408% 6409% o gamma: the gamma. 6410% 6411% o white_point: the white point. 6412% 6413*/ 6414WandExport MagickBooleanType MagickLevelImage(MagickWand *wand, 6415 const double black_point,const double gamma,const double white_point) 6416{ 6417 MagickBooleanType 6418 status; 6419 6420 assert(wand != (MagickWand *) NULL); 6421 assert(wand->signature == MagickWandSignature); 6422 if (IfMagickTrue(wand->debug)) 6423 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6424 if (wand->images == (Image *) NULL) 6425 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6426 status=LevelImage(wand->images,black_point,white_point,gamma, 6427 wand->exception); 6428 return(status); 6429} 6430 6431/* 6432%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6433% % 6434% % 6435% % 6436% M a g i c k L i n e a r S t r e t c h I m a g e % 6437% % 6438% % 6439% % 6440%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6441% 6442% MagickLinearStretchImage() stretches with saturation the image intensity. 6443% 6444% You can also reduce the influence of a particular channel with a gamma 6445% value of 0. 6446% 6447% The format of the MagickLinearStretchImage method is: 6448% 6449% MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6450% const double black_point,const double white_point) 6451% 6452% A description of each parameter follows: 6453% 6454% o wand: the magick wand. 6455% 6456% o black_point: the black point. 6457% 6458% o white_point: the white point. 6459% 6460*/ 6461WandExport MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6462 const double black_point,const double white_point) 6463{ 6464 MagickBooleanType 6465 status; 6466 6467 assert(wand != (MagickWand *) NULL); 6468 assert(wand->signature == MagickWandSignature); 6469 if (IfMagickTrue(wand->debug)) 6470 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6471 if (wand->images == (Image *) NULL) 6472 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6473 status=LinearStretchImage(wand->images,black_point,white_point, 6474 wand->exception); 6475 return(status); 6476} 6477 6478/* 6479%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6480% % 6481% % 6482% % 6483% M a g i c k L i q u i d R e s c a l e I m a g e % 6484% % 6485% % 6486% % 6487%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6488% 6489% MagickLiquidRescaleImage() rescales image with seam carving. 6490% 6491% MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6492% const size_t columns,const size_t rows, 6493% const double delta_x,const double rigidity) 6494% 6495% A description of each parameter follows: 6496% 6497% o wand: the magick wand. 6498% 6499% o columns: the number of columns in the scaled image. 6500% 6501% o rows: the number of rows in the scaled image. 6502% 6503% o delta_x: maximum seam transversal step (0 means straight seams). 6504% 6505% o rigidity: introduce a bias for non-straight seams (typically 0). 6506% 6507*/ 6508WandExport MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6509 const size_t columns,const size_t rows,const double delta_x, 6510 const double rigidity) 6511{ 6512 Image 6513 *rescale_image; 6514 6515 assert(wand != (MagickWand *) NULL); 6516 assert(wand->signature == MagickWandSignature); 6517 if (IfMagickTrue(wand->debug)) 6518 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6519 if (wand->images == (Image *) NULL) 6520 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6521 rescale_image=LiquidRescaleImage(wand->images,columns,rows,delta_x, 6522 rigidity,wand->exception); 6523 if (rescale_image == (Image *) NULL) 6524 return(MagickFalse); 6525 ReplaceImageInList(&wand->images,rescale_image); 6526 return(MagickTrue); 6527} 6528 6529/* 6530%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6531% % 6532% % 6533% % 6534% M a g i c k M a g n i f y I m a g e % 6535% % 6536% % 6537% % 6538%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6539% 6540% MagickMagnifyImage() is a convenience method that scales an image 6541% proportionally to twice its original size. 6542% 6543% The format of the MagickMagnifyImage method is: 6544% 6545% MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6546% 6547% A description of each parameter follows: 6548% 6549% o wand: the magick wand. 6550% 6551*/ 6552WandExport MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6553{ 6554 Image 6555 *magnify_image; 6556 6557 assert(wand != (MagickWand *) NULL); 6558 assert(wand->signature == MagickWandSignature); 6559 if (IfMagickTrue(wand->debug)) 6560 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6561 if (wand->images == (Image *) NULL) 6562 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6563 magnify_image=MagnifyImage(wand->images,wand->exception); 6564 if (magnify_image == (Image *) NULL) 6565 return(MagickFalse); 6566 ReplaceImageInList(&wand->images,magnify_image); 6567 return(MagickTrue); 6568} 6569 6570/* 6571%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6572% % 6573% % 6574% % 6575% M a g i c k M e r g e I m a g e L a y e r s % 6576% % 6577% % 6578% % 6579%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6580% 6581% MagickMergeImageLayers() composes all the image layers from the current 6582% given image onward to produce a single image of the merged layers. 6583% 6584% The inital canvas's size depends on the given LayerMethod, and is 6585% initialized using the first images background color. The images 6586% are then compositied onto that image in sequence using the given 6587% composition that has been assigned to each individual image. 6588% 6589% The format of the MagickMergeImageLayers method is: 6590% 6591% MagickWand *MagickMergeImageLayers(MagickWand *wand, 6592% const LayerMethod method) 6593% 6594% A description of each parameter follows: 6595% 6596% o wand: the magick wand. 6597% 6598% o method: the method of selecting the size of the initial canvas. 6599% 6600% MergeLayer: Merge all layers onto a canvas just large enough 6601% to hold all the actual images. The virtual canvas of the 6602% first image is preserved but otherwise ignored. 6603% 6604% FlattenLayer: Use the virtual canvas size of first image. 6605% Images which fall outside this canvas is clipped. 6606% This can be used to 'fill out' a given virtual canvas. 6607% 6608% MosaicLayer: Start with the virtual canvas of the first image, 6609% enlarging left and right edges to contain all images. 6610% Images with negative offsets will be clipped. 6611% 6612*/ 6613WandExport MagickWand *MagickMergeImageLayers(MagickWand *wand, 6614 const LayerMethod method) 6615{ 6616 Image 6617 *mosaic_image; 6618 6619 assert(wand != (MagickWand *) NULL); 6620 assert(wand->signature == MagickWandSignature); 6621 if (IfMagickTrue(wand->debug)) 6622 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6623 if (wand->images == (Image *) NULL) 6624 return((MagickWand *) NULL); 6625 mosaic_image=MergeImageLayers(wand->images,method,wand->exception); 6626 if (mosaic_image == (Image *) NULL) 6627 return((MagickWand *) NULL); 6628 return(CloneMagickWandFromImages(wand,mosaic_image)); 6629} 6630 6631/* 6632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6633% % 6634% % 6635% % 6636% M a g i c k M i n i f y I m a g e % 6637% % 6638% % 6639% % 6640%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6641% 6642% MagickMinifyImage() is a convenience method that scales an image 6643% proportionally to one-half its original size 6644% 6645% The format of the MagickMinifyImage method is: 6646% 6647% MagickBooleanType MagickMinifyImage(MagickWand *wand) 6648% 6649% A description of each parameter follows: 6650% 6651% o wand: the magick wand. 6652% 6653*/ 6654WandExport MagickBooleanType MagickMinifyImage(MagickWand *wand) 6655{ 6656 Image 6657 *minify_image; 6658 6659 assert(wand != (MagickWand *) NULL); 6660 assert(wand->signature == MagickWandSignature); 6661 if (IfMagickTrue(wand->debug)) 6662 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6663 if (wand->images == (Image *) NULL) 6664 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6665 minify_image=MinifyImage(wand->images,wand->exception); 6666 if (minify_image == (Image *) NULL) 6667 return(MagickFalse); 6668 ReplaceImageInList(&wand->images,minify_image); 6669 return(MagickTrue); 6670} 6671 6672/* 6673%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6674% % 6675% % 6676% % 6677% M a g i c k M o d u l a t e I m a g e % 6678% % 6679% % 6680% % 6681%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6682% 6683% MagickModulateImage() lets you control the brightness, saturation, and hue 6684% of an image. Hue is the percentage of absolute rotation from the current 6685% position. For example 50 results in a counter-clockwise rotation of 90 6686% degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 6687% both resulting in a rotation of 180 degrees. 6688% 6689% To increase the color brightness by 20% and decrease the color saturation by 6690% 10% and leave the hue unchanged, use: 120,90,100. 6691% 6692% The format of the MagickModulateImage method is: 6693% 6694% MagickBooleanType MagickModulateImage(MagickWand *wand, 6695% const double brightness,const double saturation,const double hue) 6696% 6697% A description of each parameter follows: 6698% 6699% o wand: the magick wand. 6700% 6701% o brightness: the percent change in brighness. 6702% 6703% o saturation: the percent change in saturation. 6704% 6705% o hue: the percent change in hue. 6706% 6707*/ 6708WandExport MagickBooleanType MagickModulateImage(MagickWand *wand, 6709 const double brightness,const double saturation,const double hue) 6710{ 6711 char 6712 modulate[MagickPathExtent]; 6713 6714 MagickBooleanType 6715 status; 6716 6717 assert(wand != (MagickWand *) NULL); 6718 assert(wand->signature == MagickWandSignature); 6719 if (IfMagickTrue(wand->debug)) 6720 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6721 if (wand->images == (Image *) NULL) 6722 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6723 (void) FormatLocaleString(modulate,MagickPathExtent,"%g,%g,%g", 6724 brightness,saturation,hue); 6725 status=ModulateImage(wand->images,modulate,wand->exception); 6726 return(status); 6727} 6728 6729/* 6730%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6731% % 6732% % 6733% % 6734% M a g i c k M o n t a g e I m a g e % 6735% % 6736% % 6737% % 6738%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6739% 6740% MagickMontageImage() creates a composite image by combining several 6741% separate images. The images are tiled on the composite image with the name 6742% of the image optionally appearing just below the individual tile. 6743% 6744% The format of the MagickMontageImage method is: 6745% 6746% MagickWand *MagickMontageImage(MagickWand *wand, 6747% const DrawingWand drawing_wand,const char *tile_geometry, 6748% const char *thumbnail_geometry,const MontageMode mode, 6749% const char *frame) 6750% 6751% A description of each parameter follows: 6752% 6753% o wand: the magick wand. 6754% 6755% o drawing_wand: the drawing wand. The font name, size, and color are 6756% obtained from this wand. 6757% 6758% o tile_geometry: the number of tiles per row and page (e.g. 6x4+0+0). 6759% 6760% o thumbnail_geometry: Preferred image size and border size of each 6761% thumbnail (e.g. 120x120+4+3>). 6762% 6763% o mode: Thumbnail framing mode: Frame, Unframe, or Concatenate. 6764% 6765% o frame: Surround the image with an ornamental border (e.g. 15x15+3+3). 6766% The frame color is that of the thumbnail's matte color. 6767% 6768*/ 6769WandExport MagickWand *MagickMontageImage(MagickWand *wand, 6770 const DrawingWand *drawing_wand,const char *tile_geometry, 6771 const char *thumbnail_geometry,const MontageMode mode,const char *frame) 6772{ 6773 char 6774 *font; 6775 6776 Image 6777 *montage_image; 6778 6779 MontageInfo 6780 *montage_info; 6781 6782 PixelWand 6783 *pixel_wand; 6784 6785 assert(wand != (MagickWand *) NULL); 6786 assert(wand->signature == MagickWandSignature); 6787 if (IfMagickTrue(wand->debug)) 6788 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6789 if (wand->images == (Image *) NULL) 6790 return((MagickWand *) NULL); 6791 montage_info=CloneMontageInfo(wand->image_info,(MontageInfo *) NULL); 6792 switch (mode) 6793 { 6794 case FrameMode: 6795 { 6796 (void) CloneString(&montage_info->frame,"15x15+3+3"); 6797 montage_info->shadow=MagickTrue; 6798 break; 6799 } 6800 case UnframeMode: 6801 { 6802 montage_info->frame=(char *) NULL; 6803 montage_info->shadow=MagickFalse; 6804 montage_info->border_width=0; 6805 break; 6806 } 6807 case ConcatenateMode: 6808 { 6809 montage_info->frame=(char *) NULL; 6810 montage_info->shadow=MagickFalse; 6811 (void) CloneString(&montage_info->geometry,"+0+0"); 6812 montage_info->border_width=0; 6813 break; 6814 } 6815 default: 6816 break; 6817 } 6818 font=DrawGetFont(drawing_wand); 6819 if (font != (char *) NULL) 6820 (void) CloneString(&montage_info->font,font); 6821 if (frame != (char *) NULL) 6822 (void) CloneString(&montage_info->frame,frame); 6823 montage_info->pointsize=DrawGetFontSize(drawing_wand); 6824 pixel_wand=NewPixelWand(); 6825 DrawGetFillColor(drawing_wand,pixel_wand); 6826 PixelGetQuantumPacket(pixel_wand,&montage_info->fill); 6827 DrawGetStrokeColor(drawing_wand,pixel_wand); 6828 PixelGetQuantumPacket(pixel_wand,&montage_info->stroke); 6829 pixel_wand=DestroyPixelWand(pixel_wand); 6830 if (thumbnail_geometry != (char *) NULL) 6831 (void) CloneString(&montage_info->geometry,thumbnail_geometry); 6832 if (tile_geometry != (char *) NULL) 6833 (void) CloneString(&montage_info->tile,tile_geometry); 6834 montage_image=MontageImageList(wand->image_info,montage_info,wand->images, 6835 wand->exception); 6836 montage_info=DestroyMontageInfo(montage_info); 6837 if (montage_image == (Image *) NULL) 6838 return((MagickWand *) NULL); 6839 return(CloneMagickWandFromImages(wand,montage_image)); 6840} 6841 6842/* 6843%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6844% % 6845% % 6846% % 6847% M a g i c k M o r p h I m a g e s % 6848% % 6849% % 6850% % 6851%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6852% 6853% MagickMorphImages() method morphs a set of images. Both the image pixels 6854% and size are linearly interpolated to give the appearance of a 6855% meta-morphosis from one image to the next. 6856% 6857% The format of the MagickMorphImages method is: 6858% 6859% MagickWand *MagickMorphImages(MagickWand *wand, 6860% const size_t number_frames) 6861% 6862% A description of each parameter follows: 6863% 6864% o wand: the magick wand. 6865% 6866% o number_frames: the number of in-between images to generate. 6867% 6868*/ 6869WandExport MagickWand *MagickMorphImages(MagickWand *wand, 6870 const size_t number_frames) 6871{ 6872 Image 6873 *morph_image; 6874 6875 assert(wand != (MagickWand *) NULL); 6876 assert(wand->signature == MagickWandSignature); 6877 if (IfMagickTrue(wand->debug)) 6878 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6879 if (wand->images == (Image *) NULL) 6880 return((MagickWand *) NULL); 6881 morph_image=MorphImages(wand->images,number_frames,wand->exception); 6882 if (morph_image == (Image *) NULL) 6883 return((MagickWand *) NULL); 6884 return(CloneMagickWandFromImages(wand,morph_image)); 6885} 6886 6887/* 6888%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6889% % 6890% % 6891% % 6892% M a g i c k M o r p h o l o g y I m a g e % 6893% % 6894% % 6895% % 6896%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6897% 6898% MagickMorphologyImage() applies a user supplied kernel to the image 6899% according to the given mophology method. 6900% 6901% The format of the MagickMorphologyImage method is: 6902% 6903% MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6904% MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6905% 6906% A description of each parameter follows: 6907% 6908% o wand: the magick wand. 6909% 6910% o method: the morphology method to be applied. 6911% 6912% o iterations: apply the operation this many times (or no change). 6913% A value of -1 means loop until no change found. How this is applied 6914% may depend on the morphology method. Typically this is a value of 1. 6915% 6916% o kernel: An array of doubles representing the morphology kernel. 6917% 6918*/ 6919WandExport MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6920 MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6921{ 6922 Image 6923 *morphology_image; 6924 6925 assert(wand != (MagickWand *) NULL); 6926 assert(wand->signature == MagickWandSignature); 6927 if (IfMagickTrue(wand->debug)) 6928 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6929 if (kernel == (const KernelInfo *) NULL) 6930 return(MagickFalse); 6931 if (wand->images == (Image *) NULL) 6932 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6933 morphology_image=MorphologyImage(wand->images,method,iterations,kernel, 6934 wand->exception); 6935 if (morphology_image == (Image *) NULL) 6936 return(MagickFalse); 6937 ReplaceImageInList(&wand->images,morphology_image); 6938 return(MagickTrue); 6939} 6940 6941/* 6942%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6943% % 6944% % 6945% % 6946% M a g i c k M o t i o n B l u r I m a g e % 6947% % 6948% % 6949% % 6950%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6951% 6952% MagickMotionBlurImage() simulates motion blur. We convolve the image with a 6953% Gaussian operator of the given radius and standard deviation (sigma). 6954% For reasonable results, radius should be larger than sigma. Use a 6955% radius of 0 and MotionBlurImage() selects a suitable radius for you. 6956% Angle gives the angle of the blurring motion. 6957% 6958% The format of the MagickMotionBlurImage method is: 6959% 6960% MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6961% const double radius,const double sigma,const double angle) 6962% 6963% A description of each parameter follows: 6964% 6965% o wand: the magick wand. 6966% 6967% o radius: the radius of the Gaussian, in pixels, not counting 6968% the center pixel. 6969% 6970% o sigma: the standard deviation of the Gaussian, in pixels. 6971% 6972% o angle: Apply the effect along this angle. 6973% 6974*/ 6975WandExport MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6976 const double radius,const double sigma,const double angle) 6977{ 6978 Image 6979 *blur_image; 6980 6981 assert(wand != (MagickWand *) NULL); 6982 assert(wand->signature == MagickWandSignature); 6983 if (IfMagickTrue(wand->debug)) 6984 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6985 if (wand->images == (Image *) NULL) 6986 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6987 blur_image=MotionBlurImage(wand->images,radius,sigma,angle,wand->exception); 6988 if (blur_image == (Image *) NULL) 6989 return(MagickFalse); 6990 ReplaceImageInList(&wand->images,blur_image); 6991 return(MagickTrue); 6992} 6993 6994/* 6995%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6996% % 6997% % 6998% % 6999% M a g i c k N e g a t e I m a g e % 7000% % 7001% % 7002% % 7003%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7004% 7005% MagickNegateImage() negates the colors in the reference image. The 7006% Grayscale option means that only grayscale values within the image are 7007% negated. 7008% 7009% You can also reduce the influence of a particular channel with a gamma 7010% value of 0. 7011% 7012% The format of the MagickNegateImage method is: 7013% 7014% MagickBooleanType MagickNegateImage(MagickWand *wand, 7015% const MagickBooleanType gray) 7016% 7017% A description of each parameter follows: 7018% 7019% o wand: the magick wand. 7020% 7021% o gray: If MagickTrue, only negate grayscale pixels within the image. 7022% 7023*/ 7024WandExport MagickBooleanType MagickNegateImage(MagickWand *wand, 7025 const MagickBooleanType gray) 7026{ 7027 MagickBooleanType 7028 status; 7029 7030 assert(wand != (MagickWand *) NULL); 7031 assert(wand->signature == MagickWandSignature); 7032 if (IfMagickTrue(wand->debug)) 7033 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7034 if (wand->images == (Image *) NULL) 7035 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7036 status=NegateImage(wand->images,gray,wand->exception); 7037 return(status); 7038} 7039 7040/* 7041%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7042% % 7043% % 7044% % 7045% M a g i c k N e w I m a g e % 7046% % 7047% % 7048% % 7049%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7050% 7051% MagickNewImage() adds a blank image canvas of the specified size and 7052% background color to the wand. 7053% 7054% The format of the MagickNewImage method is: 7055% 7056% MagickBooleanType MagickNewImage(MagickWand *wand, 7057% const size_t columns,const size_t rows, 7058% const PixelWand *background) 7059% 7060% A description of each parameter follows: 7061% 7062% o wand: the magick wand. 7063% 7064% o width: the image width. 7065% 7066% o height: the image height. 7067% 7068% o background: the image color. 7069% 7070*/ 7071WandExport MagickBooleanType MagickNewImage(MagickWand *wand,const size_t width, 7072 const size_t height,const PixelWand *background) 7073{ 7074 Image 7075 *images; 7076 7077 PixelInfo 7078 pixel; 7079 7080 assert(wand != (MagickWand *) NULL); 7081 assert(wand->signature == MagickWandSignature); 7082 if (IfMagickTrue(wand->debug)) 7083 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7084 PixelGetMagickColor(background,&pixel); 7085 images=NewMagickImage(wand->image_info,width,height,&pixel,wand->exception); 7086 if (images == (Image *) NULL) 7087 return(MagickFalse); 7088 return(InsertImageInWand(wand,images)); 7089} 7090 7091/* 7092%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7093% % 7094% % 7095% % 7096% M a g i c k N e x t I m a g e % 7097% % 7098% % 7099% % 7100%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7101% 7102% MagickNextImage() sets the next image in the wand as the current image. 7103% 7104% It is typically used after MagickResetIterator(), after which its first use 7105% will set the first image as the current image (unless the wand is empty). 7106% 7107% It will return MagickFalse when no more images are left to be returned 7108% which happens when the wand is empty, or the current image is the last 7109% image. 7110% 7111% When the above condition (end of image list) is reached, the iterator is 7112% automaticall set so that you can start using MagickPreviousImage() to 7113% again iterate over the images in the reverse direction, starting with the 7114% last image (again). You can jump to this condition immeditally using 7115% MagickSetLastIterator(). 7116% 7117% The format of the MagickNextImage method is: 7118% 7119% MagickBooleanType MagickNextImage(MagickWand *wand) 7120% 7121% A description of each parameter follows: 7122% 7123% o wand: the magick wand. 7124% 7125*/ 7126WandExport MagickBooleanType MagickNextImage(MagickWand *wand) 7127{ 7128 assert(wand != (MagickWand *) NULL); 7129 assert(wand->signature == MagickWandSignature); 7130 if (IfMagickTrue(wand->debug)) 7131 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7132 if (wand->images == (Image *) NULL) 7133 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7134 wand->insert_before=MagickFalse; /* Inserts is now appended */ 7135 if (IfMagickTrue(wand->image_pending)) 7136 { 7137 wand->image_pending=MagickFalse; 7138 return(MagickTrue); 7139 } 7140 if (GetNextImageInList(wand->images) == (Image *) NULL) 7141 { 7142 wand->image_pending=MagickTrue; /* No image, PreviousImage re-gets */ 7143 return(MagickFalse); 7144 } 7145 wand->images=GetNextImageInList(wand->images); 7146 return(MagickTrue); 7147} 7148 7149/* 7150%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7151% % 7152% % 7153% % 7154% M a g i c k N o r m a l i z e I m a g e % 7155% % 7156% % 7157% % 7158%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7159% 7160% MagickNormalizeImage() enhances the contrast of a color image by adjusting 7161% the pixels color to span the entire range of colors available 7162% 7163% You can also reduce the influence of a particular channel with a gamma 7164% value of 0. 7165% 7166% The format of the MagickNormalizeImage method is: 7167% 7168% MagickBooleanType MagickNormalizeImage(MagickWand *wand) 7169% 7170% A description of each parameter follows: 7171% 7172% o wand: the magick wand. 7173% 7174*/ 7175WandExport MagickBooleanType MagickNormalizeImage(MagickWand *wand) 7176{ 7177 MagickBooleanType 7178 status; 7179 7180 assert(wand != (MagickWand *) NULL); 7181 assert(wand->signature == MagickWandSignature); 7182 if (IfMagickTrue(wand->debug)) 7183 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7184 if (wand->images == (Image *) NULL) 7185 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7186 status=NormalizeImage(wand->images,wand->exception); 7187 return(status); 7188} 7189 7190/* 7191%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7192% % 7193% % 7194% % 7195% M a g i c k O i l P a i n t I m a g e % 7196% % 7197% % 7198% % 7199%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7200% 7201% MagickOilPaintImage() applies a special effect filter that simulates an oil 7202% painting. Each pixel is replaced by the most frequent color occurring 7203% in a circular region defined by radius. 7204% 7205% The format of the MagickOilPaintImage method is: 7206% 7207% MagickBooleanType MagickOilPaintImage(MagickWand *wand, 7208% const double radius,const double sigma) 7209% 7210% A description of each parameter follows: 7211% 7212% o wand: the magick wand. 7213% 7214% o radius: the radius of the circular neighborhood. 7215% 7216% o sigma: the standard deviation of the Gaussian, in pixels. 7217% 7218*/ 7219WandExport MagickBooleanType MagickOilPaintImage(MagickWand *wand, 7220 const double radius,const double sigma) 7221{ 7222 Image 7223 *paint_image; 7224 7225 assert(wand != (MagickWand *) NULL); 7226 assert(wand->signature == MagickWandSignature); 7227 if (IfMagickTrue(wand->debug)) 7228 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7229 if (wand->images == (Image *) NULL) 7230 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7231 paint_image=OilPaintImage(wand->images,radius,sigma,wand->exception); 7232 if (paint_image == (Image *) NULL) 7233 return(MagickFalse); 7234 ReplaceImageInList(&wand->images,paint_image); 7235 return(MagickTrue); 7236} 7237 7238/* 7239%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7240% % 7241% % 7242% % 7243% M a g i c k O p a q u e P a i n t I m a g e % 7244% % 7245% % 7246% % 7247%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7248% 7249% MagickOpaquePaintImage() changes any pixel that matches color with the color 7250% defined by fill. 7251% 7252% The format of the MagickOpaquePaintImage method is: 7253% 7254% MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 7255% const PixelWand *target,const PixelWand *fill,const double fuzz, 7256% const MagickBooleanType invert) 7257% 7258% A description of each parameter follows: 7259% 7260% o wand: the magick wand. 7261% 7262% o target: Change this target color to the fill color within the image. 7263% 7264% o fill: the fill pixel wand. 7265% 7266% o fuzz: By default target must match a particular pixel color 7267% exactly. However, in many cases two colors may differ by a small amount. 7268% The fuzz member of image defines how much tolerance is acceptable to 7269% consider two colors as the same. For example, set fuzz to 10 and the 7270% color red at intensities of 100 and 102 respectively are now interpreted 7271% as the same color for the purposes of the floodfill. 7272% 7273% o invert: paint any pixel that does not match the target color. 7274% 7275*/ 7276WandExport MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 7277 const PixelWand *target,const PixelWand *fill,const double fuzz, 7278 const MagickBooleanType invert) 7279{ 7280 MagickBooleanType 7281 status; 7282 7283 PixelInfo 7284 fill_pixel, 7285 target_pixel; 7286 7287 assert(wand != (MagickWand *) NULL); 7288 assert(wand->signature == MagickWandSignature); 7289 if (IfMagickTrue(wand->debug)) 7290 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7291 if (wand->images == (Image *) NULL) 7292 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7293 PixelGetMagickColor(target,&target_pixel); 7294 PixelGetMagickColor(fill,&fill_pixel); 7295 wand->images->fuzz=fuzz; 7296 status=OpaquePaintImage(wand->images,&target_pixel,&fill_pixel,invert, 7297 wand->exception); 7298 return(status); 7299} 7300 7301/* 7302%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7303% % 7304% % 7305% % 7306% 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 % 7307% % 7308% % 7309% % 7310%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7311% 7312% MagickOptimizeImageLayers() compares each image the GIF disposed forms of the 7313% previous image in the sequence. From this it attempts to select the 7314% smallest cropped image to replace each frame, while preserving the results 7315% of the animation. 7316% 7317% The format of the MagickOptimizeImageLayers method is: 7318% 7319% MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 7320% 7321% A description of each parameter follows: 7322% 7323% o wand: the magick wand. 7324% 7325*/ 7326WandExport MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 7327{ 7328 Image 7329 *optimize_image; 7330 7331 assert(wand != (MagickWand *) NULL); 7332 assert(wand->signature == MagickWandSignature); 7333 if (IfMagickTrue(wand->debug)) 7334 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7335 if (wand->images == (Image *) NULL) 7336 return((MagickWand *) NULL); 7337 optimize_image=OptimizeImageLayers(wand->images,wand->exception); 7338 if (optimize_image == (Image *) NULL) 7339 return((MagickWand *) NULL); 7340 return(CloneMagickWandFromImages(wand,optimize_image)); 7341} 7342 7343/* 7344%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7345% % 7346% % 7347% % 7348% 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 % 7349% % 7350% % 7351% % 7352%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7353% 7354% MagickOptimizeImageTransparency() takes a frame optimized GIF animation, and 7355% compares the overlayed pixels against the disposal image resulting from all 7356% the previous frames in the animation. Any pixel that does not change the 7357% disposal image (and thus does not effect the outcome of an overlay) is made 7358% transparent. 7359% 7360% WARNING: This modifies the current images directly, rather than generate 7361% a new image sequence. 7362% The format of the MagickOptimizeImageTransparency method is: 7363% 7364% MagickBooleanType MagickOptimizeImageTransparency(MagickWand *wand) 7365% 7366% A description of each parameter follows: 7367% 7368% o wand: the magick wand. 7369% 7370*/ 7371WandExport MagickBooleanType MagickOptimizeImageTransparency(MagickWand *wand) 7372{ 7373 assert(wand != (MagickWand *) NULL); 7374 assert(wand->signature == MagickWandSignature); 7375 if (IfMagickTrue(wand->debug)) 7376 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7377 if (wand->images == (Image *) NULL) 7378 return(MagickFalse); 7379 OptimizeImageTransparency(wand->images,wand->exception); 7380 return(MagickTrue); 7381} 7382 7383/* 7384%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7385% % 7386% % 7387% % 7388% M a g i c k O r d e r e d P o s t e r i z e I m a g e % 7389% % 7390% % 7391% % 7392%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7393% 7394% MagickOrderedPosterizeImage() performs an ordered dither based on a number 7395% of pre-defined dithering threshold maps, but over multiple intensity levels, 7396% which can be different for different channels, according to the input 7397% arguments. 7398% 7399% The format of the MagickOrderedPosterizeImage method is: 7400% 7401% MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 7402% const char *threshold_map) 7403% 7404% A description of each parameter follows: 7405% 7406% o image: the image. 7407% 7408% o threshold_map: A string containing the name of the threshold dither 7409% map to use, followed by zero or more numbers representing the number of 7410% color levels tho dither between. 7411% 7412% Any level number less than 2 is equivalent to 2, and means only binary 7413% dithering will be applied to each color channel. 7414% 7415% No numbers also means a 2 level (bitmap) dither will be applied to all 7416% channels, while a single number is the number of levels applied to each 7417% channel in sequence. More numbers will be applied in turn to each of 7418% the color channels. 7419% 7420% For example: "o3x3,6" generates a 6 level posterization of the image 7421% with a ordered 3x3 diffused pixel dither being applied between each 7422% level. While checker,8,8,4 will produce a 332 colormaped image with 7423% only a single checkerboard hash pattern (50% grey) between each color 7424% level, to basically double the number of color levels with a bare 7425% minimim of dithering. 7426% 7427*/ 7428WandExport MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 7429 const char *threshold_map) 7430{ 7431 MagickBooleanType 7432 status; 7433 7434 assert(wand != (MagickWand *) NULL); 7435 assert(wand->signature == MagickWandSignature); 7436 if (IfMagickTrue(wand->debug)) 7437 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7438 if (wand->images == (Image *) NULL) 7439 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7440 status=OrderedPosterizeImage(wand->images,threshold_map,wand->exception); 7441 return(status); 7442} 7443 7444/* 7445%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7446% % 7447% % 7448% % 7449% M a g i c k P i n g I m a g e % 7450% % 7451% % 7452% % 7453%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7454% 7455% MagickPingImage() is the same as MagickReadImage() except the only valid 7456% information returned is the image width, height, size, and format. It 7457% is designed to efficiently obtain this information from a file without 7458% reading the entire image sequence into memory. 7459% 7460% The format of the MagickPingImage method is: 7461% 7462% MagickBooleanType MagickPingImage(MagickWand *wand,const char *filename) 7463% 7464% A description of each parameter follows: 7465% 7466% o wand: the magick wand. 7467% 7468% o filename: the image filename. 7469% 7470*/ 7471WandExport MagickBooleanType MagickPingImage(MagickWand *wand, 7472 const char *filename) 7473{ 7474 Image 7475 *images; 7476 7477 ImageInfo 7478 *ping_info; 7479 7480 assert(wand != (MagickWand *) NULL); 7481 assert(wand->signature == MagickWandSignature); 7482 if (IfMagickTrue(wand->debug)) 7483 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7484 ping_info=CloneImageInfo(wand->image_info); 7485 if (filename != (const char *) NULL) 7486 (void) CopyMagickString(ping_info->filename,filename,MagickPathExtent); 7487 images=PingImage(ping_info,wand->exception); 7488 ping_info=DestroyImageInfo(ping_info); 7489 if (images == (Image *) NULL) 7490 return(MagickFalse); 7491 return(InsertImageInWand(wand,images)); 7492} 7493 7494/* 7495%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7496% % 7497% % 7498% % 7499% M a g i c k P i n g I m a g e B l o b % 7500% % 7501% % 7502% % 7503%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7504% 7505% MagickPingImageBlob() pings an image or image sequence from a blob. 7506% 7507% The format of the MagickPingImageBlob method is: 7508% 7509% MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7510% const void *blob,const size_t length) 7511% 7512% A description of each parameter follows: 7513% 7514% o wand: the magick wand. 7515% 7516% o blob: the blob. 7517% 7518% o length: the blob length. 7519% 7520*/ 7521WandExport MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7522 const void *blob,const size_t length) 7523{ 7524 Image 7525 *images; 7526 7527 ImageInfo 7528 *read_info; 7529 7530 assert(wand != (MagickWand *) NULL); 7531 assert(wand->signature == MagickWandSignature); 7532 if (wand->debug != MagickFalse) 7533 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7534 read_info=CloneImageInfo(wand->image_info); 7535 SetImageInfoBlob(read_info,blob,length); 7536 images=PingImage(read_info,wand->exception); 7537 read_info=DestroyImageInfo(read_info); 7538 if (images == (Image *) NULL) 7539 return(MagickFalse); 7540 return(InsertImageInWand(wand,images)); 7541} 7542 7543/* 7544%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7545% % 7546% % 7547% % 7548% M a g i c k P i n g I m a g e F i l e % 7549% % 7550% % 7551% % 7552%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7553% 7554% MagickPingImageFile() pings an image or image sequence from an open file 7555% descriptor. 7556% 7557% The format of the MagickPingImageFile method is: 7558% 7559% MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7560% 7561% A description of each parameter follows: 7562% 7563% o wand: the magick wand. 7564% 7565% o file: the file descriptor. 7566% 7567*/ 7568WandExport MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7569{ 7570 Image 7571 *images; 7572 7573 ImageInfo 7574 *read_info; 7575 7576 assert(wand != (MagickWand *) NULL); 7577 assert(wand->signature == MagickWandSignature); 7578 assert(file != (FILE *) NULL); 7579 if (IfMagickTrue(wand->debug)) 7580 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7581 read_info=CloneImageInfo(wand->image_info); 7582 SetImageInfoFile(read_info,file); 7583 images=PingImage(read_info,wand->exception); 7584 read_info=DestroyImageInfo(read_info); 7585 if (images == (Image *) NULL) 7586 return(MagickFalse); 7587 return(InsertImageInWand(wand,images)); 7588} 7589 7590/* 7591%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7592% % 7593% % 7594% % 7595% M a g i c k P o l a r o i d I m a g e % 7596% % 7597% % 7598% % 7599%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7600% 7601% MagickPolaroidImage() simulates a Polaroid picture. 7602% 7603% The format of the MagickPolaroidImage method is: 7604% 7605% MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7606% const DrawingWand *drawing_wand,const char *caption,const double angle, 7607% const PixelInterpolateMethod method) 7608% 7609% A description of each parameter follows: 7610% 7611% o wand: the magick wand. 7612% 7613% o drawing_wand: the draw wand. 7614% 7615% o caption: the Polaroid caption. 7616% 7617% o angle: Apply the effect along this angle. 7618% 7619% o method: the pixel interpolation method. 7620% 7621*/ 7622WandExport MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7623 const DrawingWand *drawing_wand,const char *caption,const double angle, 7624 const PixelInterpolateMethod method) 7625{ 7626 DrawInfo 7627 *draw_info; 7628 7629 Image 7630 *polaroid_image; 7631 7632 assert(wand != (MagickWand *) NULL); 7633 assert(wand->signature == MagickWandSignature); 7634 if (IfMagickTrue(wand->debug)) 7635 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7636 if (wand->images == (Image *) NULL) 7637 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7638 draw_info=PeekDrawingWand(drawing_wand); 7639 if (draw_info == (DrawInfo *) NULL) 7640 return(MagickFalse); 7641 polaroid_image=PolaroidImage(wand->images,draw_info,caption,angle,method, 7642 wand->exception); 7643 if (polaroid_image == (Image *) NULL) 7644 return(MagickFalse); 7645 ReplaceImageInList(&wand->images,polaroid_image); 7646 return(MagickTrue); 7647} 7648 7649/* 7650%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7651% % 7652% % 7653% % 7654% M a g i c k P o s t e r i z e I m a g e % 7655% % 7656% % 7657% % 7658%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7659% 7660% MagickPosterizeImage() reduces the image to a limited number of color level. 7661% 7662% The format of the MagickPosterizeImage method is: 7663% 7664% MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7665% const size_t levels,const DitherMethod method) 7666% 7667% A description of each parameter follows: 7668% 7669% o wand: the magick wand. 7670% 7671% o levels: Number of color levels allowed in each channel. Very low values 7672% (2, 3, or 4) have the most visible effect. 7673% 7674% o method: choose the dither method: UndefinedDitherMethod, 7675% NoDitherMethod, RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7676% 7677*/ 7678WandExport MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7679 const size_t levels,const DitherMethod dither) 7680{ 7681 MagickBooleanType 7682 status; 7683 7684 assert(wand != (MagickWand *) NULL); 7685 assert(wand->signature == MagickWandSignature); 7686 if (IfMagickTrue(wand->debug)) 7687 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7688 if (wand->images == (Image *) NULL) 7689 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7690 status=PosterizeImage(wand->images,levels,dither,wand->exception); 7691 return(status); 7692} 7693 7694/* 7695%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7696% % 7697% % 7698% % 7699% M a g i c k P r e v i e w I m a g e s % 7700% % 7701% % 7702% % 7703%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7704% 7705% MagickPreviewImages() tiles 9 thumbnails of the specified image with an 7706% image processing operation applied at varying strengths. This helpful 7707% to quickly pin-point an appropriate parameter for an image processing 7708% operation. 7709% 7710% The format of the MagickPreviewImages method is: 7711% 7712% MagickWand *MagickPreviewImages(MagickWand *wand, 7713% const PreviewType preview) 7714% 7715% A description of each parameter follows: 7716% 7717% o wand: the magick wand. 7718% 7719% o preview: the preview type. 7720% 7721*/ 7722WandExport MagickWand *MagickPreviewImages(MagickWand *wand, 7723 const PreviewType preview) 7724{ 7725 Image 7726 *preview_image; 7727 7728 assert(wand != (MagickWand *) NULL); 7729 assert(wand->signature == MagickWandSignature); 7730 if (IfMagickTrue(wand->debug)) 7731 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7732 if (wand->images == (Image *) NULL) 7733 return((MagickWand *) NULL); 7734 preview_image=PreviewImage(wand->images,preview,wand->exception); 7735 if (preview_image == (Image *) NULL) 7736 return((MagickWand *) NULL); 7737 return(CloneMagickWandFromImages(wand,preview_image)); 7738} 7739 7740/* 7741%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7742% % 7743% % 7744% % 7745% M a g i c k P r e v i o u s I m a g e % 7746% % 7747% % 7748% % 7749%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7750% 7751% MagickPreviousImage() sets the previous image in the wand as the current 7752% image. 7753% 7754% It is typically used after MagickSetLastIterator(), after which its first 7755% use will set the last image as the current image (unless the wand is empty). 7756% 7757% It will return MagickFalse when no more images are left to be returned 7758% which happens when the wand is empty, or the current image is the first 7759% image. At that point the iterator is than reset to again process images in 7760% the forward direction, again starting with the first image in list. Images 7761% added at this point are prepended. 7762% 7763% Also at that point any images added to the wand using MagickAddImages() or 7764% MagickReadImages() will be prepended before the first image. In this sense 7765% the condition is not quite exactly the same as MagickResetIterator(). 7766% 7767% The format of the MagickPreviousImage method is: 7768% 7769% MagickBooleanType MagickPreviousImage(MagickWand *wand) 7770% 7771% A description of each parameter follows: 7772% 7773% o wand: the magick wand. 7774% 7775*/ 7776WandExport MagickBooleanType MagickPreviousImage(MagickWand *wand) 7777{ 7778 assert(wand != (MagickWand *) NULL); 7779 assert(wand->signature == MagickWandSignature); 7780 if (IfMagickTrue(wand->debug)) 7781 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7782 if (wand->images == (Image *) NULL) 7783 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7784 if (IfMagickTrue(wand->image_pending)) 7785 { 7786 wand->image_pending=MagickFalse; /* image returned no longer pending */ 7787 return(MagickTrue); 7788 } 7789 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 7790 { 7791 wand->image_pending=MagickTrue; /* Next now re-gets first image */ 7792 wand->insert_before=MagickTrue; /* insert/add prepends new images */ 7793 return(MagickFalse); 7794 } 7795 wand->images=GetPreviousImageInList(wand->images); 7796 return(MagickTrue); 7797} 7798 7799/* 7800%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7801% % 7802% % 7803% % 7804% M a g i c k Q u a n t i z e I m a g e % 7805% % 7806% % 7807% % 7808%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7809% 7810% MagickQuantizeImage() analyzes the colors within a reference image and 7811% chooses a fixed number of colors to represent the image. The goal of the 7812% algorithm is to minimize the color difference between the input and output 7813% image while minimizing the processing time. 7814% 7815% The format of the MagickQuantizeImage method is: 7816% 7817% MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7818% const size_t number_colors,const ColorspaceType colorspace, 7819% const size_t treedepth,const DitherMethod dither_method, 7820% const MagickBooleanType measure_error) 7821% 7822% A description of each parameter follows: 7823% 7824% o wand: the magick wand. 7825% 7826% o number_colors: the number of colors. 7827% 7828% o colorspace: Perform color reduction in this colorspace, typically 7829% RGBColorspace. 7830% 7831% o treedepth: Normally, this integer value is zero or one. A zero or 7832% 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 7833% reference image with the least amount of memory and the fastest 7834% computational speed. In some cases, such as an image with low color 7835% dispersion (a few number of colors), a value other than 7836% Log4(number_colors) is required. To expand the color tree completely, 7837% use a value of 8. 7838% 7839% o dither_method: choose from UndefinedDitherMethod, NoDitherMethod, 7840% RiemersmaDitherMethod, FloydSteinbergDitherMethod. 7841% 7842% o measure_error: A value other than zero measures the difference between 7843% the original and quantized images. This difference is the total 7844% quantization error. The error is computed by summing over all pixels 7845% in an image the distance squared in RGB space between each reference 7846% pixel value and its quantized value. 7847% 7848*/ 7849WandExport MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7850 const size_t number_colors,const ColorspaceType colorspace, 7851 const size_t treedepth,const DitherMethod dither_method, 7852 const MagickBooleanType measure_error) 7853{ 7854 MagickBooleanType 7855 status; 7856 7857 QuantizeInfo 7858 *quantize_info; 7859 7860 assert(wand != (MagickWand *) NULL); 7861 assert(wand->signature == MagickWandSignature); 7862 if (IfMagickTrue(wand->debug)) 7863 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7864 if (wand->images == (Image *) NULL) 7865 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7866 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7867 quantize_info->number_colors=number_colors; 7868 quantize_info->dither_method=dither_method; 7869 quantize_info->tree_depth=treedepth; 7870 quantize_info->colorspace=colorspace; 7871 quantize_info->measure_error=measure_error; 7872 status=QuantizeImage(quantize_info,wand->images,wand->exception); 7873 quantize_info=DestroyQuantizeInfo(quantize_info); 7874 return(status); 7875} 7876 7877/* 7878%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7879% % 7880% % 7881% % 7882% M a g i c k Q u a n t i z e I m a g e s % 7883% % 7884% % 7885% % 7886%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7887% 7888% MagickQuantizeImages() analyzes the colors within a sequence of images and 7889% chooses a fixed number of colors to represent the image. The goal of the 7890% algorithm is to minimize the color difference between the input and output 7891% image while minimizing the processing time. 7892% 7893% The format of the MagickQuantizeImages method is: 7894% 7895% MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7896% const size_t number_colors,const ColorspaceType colorspace, 7897% const size_t treedepth,const DitherMethod dither_method, 7898% const MagickBooleanType measure_error) 7899% 7900% A description of each parameter follows: 7901% 7902% o wand: the magick wand. 7903% 7904% o number_colors: the number of colors. 7905% 7906% o colorspace: Perform color reduction in this colorspace, typically 7907% RGBColorspace. 7908% 7909% o treedepth: Normally, this integer value is zero or one. A zero or 7910% 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 7911% reference image with the least amount of memory and the fastest 7912% computational speed. In some cases, such as an image with low color 7913% dispersion (a few number of colors), a value other than 7914% Log4(number_colors) is required. To expand the color tree completely, 7915% use a value of 8. 7916% 7917% o dither_method: choose from these dither methods: NoDitherMethod, 7918% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7919% 7920% o measure_error: A value other than zero measures the difference between 7921% the original and quantized images. This difference is the total 7922% quantization error. The error is computed by summing over all pixels 7923% in an image the distance squared in RGB space between each reference 7924% pixel value and its quantized value. 7925% 7926*/ 7927WandExport MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7928 const size_t number_colors,const ColorspaceType colorspace, 7929 const size_t treedepth,const DitherMethod dither_method, 7930 const MagickBooleanType measure_error) 7931{ 7932 MagickBooleanType 7933 status; 7934 7935 QuantizeInfo 7936 *quantize_info; 7937 7938 assert(wand != (MagickWand *) NULL); 7939 assert(wand->signature == MagickWandSignature); 7940 if (IfMagickTrue(wand->debug)) 7941 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7942 if (wand->images == (Image *) NULL) 7943 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7944 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7945 quantize_info->number_colors=number_colors; 7946 quantize_info->dither_method=dither_method; 7947 quantize_info->tree_depth=treedepth; 7948 quantize_info->colorspace=colorspace; 7949 quantize_info->measure_error=measure_error; 7950 status=QuantizeImages(quantize_info,wand->images,wand->exception); 7951 quantize_info=DestroyQuantizeInfo(quantize_info); 7952 return(status); 7953} 7954 7955/* 7956%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7957% % 7958% % 7959% % 7960% 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 % 7961% % 7962% % 7963% % 7964%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7965% 7966% MagickRotationalBlurImage() rotational blurs an image. 7967% 7968% The format of the MagickRotationalBlurImage method is: 7969% 7970% MagickBooleanType MagickRotationalBlurImage(MagickWand *wand, 7971% const double angle) 7972% 7973% A description of each parameter follows: 7974% 7975% o wand: the magick wand. 7976% 7977% o angle: the angle of the blur in degrees. 7978% 7979*/ 7980WandExport MagickBooleanType MagickRotationalBlurImage(MagickWand *wand, 7981 const double angle) 7982{ 7983 Image 7984 *blur_image; 7985 7986 assert(wand != (MagickWand *) NULL); 7987 assert(wand->signature == MagickWandSignature); 7988 if (IfMagickTrue(wand->debug)) 7989 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7990 if (wand->images == (Image *) NULL) 7991 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7992 blur_image=RotationalBlurImage(wand->images,angle,wand->exception); 7993 if (blur_image == (Image *) NULL) 7994 return(MagickFalse); 7995 ReplaceImageInList(&wand->images,blur_image); 7996 return(MagickTrue); 7997} 7998 7999/* 8000%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8001% % 8002% % 8003% % 8004% M a g i c k R a i s e I m a g e % 8005% % 8006% % 8007% % 8008%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8009% 8010% MagickRaiseImage() creates a simulated three-dimensional button-like effect 8011% by lightening and darkening the edges of the image. Members width and 8012% height of raise_info define the width of the vertical and horizontal 8013% edge of the effect. 8014% 8015% The format of the MagickRaiseImage method is: 8016% 8017% MagickBooleanType MagickRaiseImage(MagickWand *wand, 8018% const size_t width,const size_t height,const ssize_t x, 8019% const ssize_t y,const MagickBooleanType raise) 8020% 8021% A description of each parameter follows: 8022% 8023% o wand: the magick wand. 8024% 8025% o width,height,x,y: Define the dimensions of the area to raise. 8026% 8027% o raise: A value other than zero creates a 3-D raise effect, 8028% otherwise it has a lowered effect. 8029% 8030*/ 8031WandExport MagickBooleanType MagickRaiseImage(MagickWand *wand, 8032 const size_t width,const size_t height,const ssize_t x, 8033 const ssize_t y,const MagickBooleanType raise) 8034{ 8035 MagickBooleanType 8036 status; 8037 8038 RectangleInfo 8039 raise_info; 8040 8041 assert(wand != (MagickWand *) NULL); 8042 assert(wand->signature == MagickWandSignature); 8043 if (IfMagickTrue(wand->debug)) 8044 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8045 if (wand->images == (Image *) NULL) 8046 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8047 raise_info.width=width; 8048 raise_info.height=height; 8049 raise_info.x=x; 8050 raise_info.y=y; 8051 status=RaiseImage(wand->images,&raise_info,raise,wand->exception); 8052 return(status); 8053} 8054 8055/* 8056%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8057% % 8058% % 8059% % 8060% 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 % 8061% % 8062% % 8063% % 8064%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8065% 8066% MagickRandomThresholdImage() changes the value of individual pixels based on 8067% the intensity of each pixel compared to threshold. The result is a 8068% high-contrast, two color image. 8069% 8070% The format of the MagickRandomThresholdImage method is: 8071% 8072% MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 8073% const double low,const double high) 8074% 8075% A description of each parameter follows: 8076% 8077% o wand: the magick wand. 8078% 8079% o low,high: Specify the high and low thresholds. These values range from 8080% 0 to QuantumRange. 8081% 8082*/ 8083WandExport MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 8084 const double low,const double high) 8085{ 8086 char 8087 threshold[MagickPathExtent]; 8088 8089 assert(wand != (MagickWand *) NULL); 8090 assert(wand->signature == MagickWandSignature); 8091 if (IfMagickTrue(wand->debug)) 8092 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8093 if (wand->images == (Image *) NULL) 8094 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8095 (void) FormatLocaleString(threshold,MagickPathExtent,"%gx%g",low,high); 8096 return(RandomThresholdImage(wand->images,threshold,wand->exception)); 8097} 8098 8099/* 8100%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8101% % 8102% % 8103% % 8104% M a g i c k R e a d I m a g e % 8105% % 8106% % 8107% % 8108%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8109% 8110% MagickReadImage() reads an image or image sequence. The images are inserted 8111% jjust before the current image pointer position. 8112% 8113% Use MagickSetFirstIterator(), to insert new images before all the current 8114% images in the wand, MagickSetLastIterator() to append add to the end, 8115% MagickSetIteratorIndex() to place images just after the given index. 8116% 8117% The format of the MagickReadImage method is: 8118% 8119% MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename) 8120% 8121% A description of each parameter follows: 8122% 8123% o wand: the magick wand. 8124% 8125% o filename: the image filename. 8126% 8127*/ 8128WandExport MagickBooleanType MagickReadImage(MagickWand *wand, 8129 const char *filename) 8130{ 8131 Image 8132 *images; 8133 8134 ImageInfo 8135 *read_info; 8136 8137 assert(wand != (MagickWand *) NULL); 8138 assert(wand->signature == MagickWandSignature); 8139 if (IfMagickTrue(wand->debug)) 8140 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8141 read_info=CloneImageInfo(wand->image_info); 8142 if (filename != (const char *) NULL) 8143 (void) CopyMagickString(read_info->filename,filename,MagickPathExtent); 8144 images=ReadImage(read_info,wand->exception); 8145 read_info=DestroyImageInfo(read_info); 8146 if (images == (Image *) NULL) 8147 return(MagickFalse); 8148 return(InsertImageInWand(wand,images)); 8149} 8150 8151/* 8152%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8153% % 8154% % 8155% % 8156% M a g i c k R e a d I m a g e B l o b % 8157% % 8158% % 8159% % 8160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8161% 8162% MagickReadImageBlob() reads an image or image sequence from a blob. 8163% In all other respects it is like MagickReadImage(). 8164% 8165% The format of the MagickReadImageBlob method is: 8166% 8167% MagickBooleanType MagickReadImageBlob(MagickWand *wand, 8168% const void *blob,const size_t length) 8169% 8170% A description of each parameter follows: 8171% 8172% o wand: the magick wand. 8173% 8174% o blob: the blob. 8175% 8176% o length: the blob length. 8177% 8178*/ 8179WandExport MagickBooleanType MagickReadImageBlob(MagickWand *wand, 8180 const void *blob,const size_t length) 8181{ 8182 Image 8183 *images; 8184 8185 assert(wand != (MagickWand *) NULL); 8186 assert(wand->signature == MagickWandSignature); 8187 if (IfMagickTrue(wand->debug)) 8188 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8189 images=BlobToImage(wand->image_info,blob,length,wand->exception); 8190 if (images == (Image *) NULL) 8191 return(MagickFalse); 8192 return(InsertImageInWand(wand,images)); 8193} 8194 8195/* 8196%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8197% % 8198% % 8199% % 8200% M a g i c k R e a d I m a g e F i l e % 8201% % 8202% % 8203% % 8204%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8205% 8206% MagickReadImageFile() reads an image or image sequence from an already 8207% opened file descriptor. Otherwise it is like MagickReadImage(). 8208% 8209% The format of the MagickReadImageFile method is: 8210% 8211% MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 8212% 8213% A description of each parameter follows: 8214% 8215% o wand: the magick wand. 8216% 8217% o file: the file descriptor. 8218% 8219*/ 8220WandExport MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 8221{ 8222 Image 8223 *images; 8224 8225 ImageInfo 8226 *read_info; 8227 8228 assert(wand != (MagickWand *) NULL); 8229 assert(wand->signature == MagickWandSignature); 8230 assert(file != (FILE *) NULL); 8231 if (IfMagickTrue(wand->debug)) 8232 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8233 read_info=CloneImageInfo(wand->image_info); 8234 SetImageInfoFile(read_info,file); 8235 images=ReadImage(read_info,wand->exception); 8236 read_info=DestroyImageInfo(read_info); 8237 if (images == (Image *) NULL) 8238 return(MagickFalse); 8239 return(InsertImageInWand(wand,images)); 8240} 8241 8242/* 8243%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8244% % 8245% % 8246% % 8247% M a g i c k R e m a p I m a g e % 8248% % 8249% % 8250% % 8251%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8252% 8253% MagickRemapImage() replaces the colors of an image with the closest color 8254% from a reference image. 8255% 8256% The format of the MagickRemapImage method is: 8257% 8258% MagickBooleanType MagickRemapImage(MagickWand *wand, 8259% const MagickWand *remap_wand,const DitherMethod method) 8260% 8261% A description of each parameter follows: 8262% 8263% o wand: the magick wand. 8264% 8265% o affinity: the affinity wand. 8266% 8267% o method: choose from these dither methods: NoDitherMethod, 8268% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 8269% 8270*/ 8271WandExport MagickBooleanType MagickRemapImage(MagickWand *wand, 8272 const MagickWand *remap_wand,const DitherMethod dither_method) 8273{ 8274 MagickBooleanType 8275 status; 8276 8277 QuantizeInfo 8278 *quantize_info; 8279 8280 assert(wand != (MagickWand *) NULL); 8281 assert(wand->signature == MagickWandSignature); 8282 if (IfMagickTrue(wand->debug)) 8283 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8284 if ((wand->images == (Image *) NULL) || 8285 (remap_wand->images == (Image *) NULL)) 8286 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8287 quantize_info=AcquireQuantizeInfo(wand->image_info); 8288 quantize_info->dither_method=dither_method; 8289 status=RemapImage(quantize_info,wand->images,remap_wand->images, 8290 wand->exception); 8291 quantize_info=DestroyQuantizeInfo(quantize_info); 8292 return(status); 8293} 8294 8295/* 8296%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8297% % 8298% % 8299% % 8300% M a g i c k R e m o v e I m a g e % 8301% % 8302% % 8303% % 8304%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8305% 8306% MagickRemoveImage() removes an image from the image list. 8307% 8308% The format of the MagickRemoveImage method is: 8309% 8310% MagickBooleanType MagickRemoveImage(MagickWand *wand) 8311% 8312% A description of each parameter follows: 8313% 8314% o wand: the magick wand. 8315% 8316% o insert: the splice wand. 8317% 8318*/ 8319WandExport MagickBooleanType MagickRemoveImage(MagickWand *wand) 8320{ 8321 assert(wand != (MagickWand *) NULL); 8322 assert(wand->signature == MagickWandSignature); 8323 if (IfMagickTrue(wand->debug)) 8324 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8325 if (wand->images == (Image *) NULL) 8326 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8327 DeleteImageFromList(&wand->images); 8328 return(MagickTrue); 8329} 8330 8331/* 8332%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8333% % 8334% % 8335% % 8336% M a g i c k R e s a m p l e I m a g e % 8337% % 8338% % 8339% % 8340%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8341% 8342% MagickResampleImage() resample image to desired resolution. 8343% 8344% Bessel Blackman Box 8345% Catrom Cubic Gaussian 8346% Hanning Hermite Lanczos 8347% Mitchell Point Quandratic 8348% Sinc Triangle 8349% 8350% Most of the filters are FIR (finite impulse response), however, Bessel, 8351% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8352% are windowed (brought down to zero) with the Blackman filter. 8353% 8354% The format of the MagickResampleImage method is: 8355% 8356% MagickBooleanType MagickResampleImage(MagickWand *wand, 8357% const double x_resolution,const double y_resolution, 8358% const FilterTypes filter) 8359% 8360% A description of each parameter follows: 8361% 8362% o wand: the magick wand. 8363% 8364% o x_resolution: the new image x resolution. 8365% 8366% o y_resolution: the new image y resolution. 8367% 8368% o filter: Image filter to use. 8369% 8370*/ 8371WandExport MagickBooleanType MagickResampleImage(MagickWand *wand, 8372 const double x_resolution,const double y_resolution,const FilterTypes filter) 8373{ 8374 Image 8375 *resample_image; 8376 8377 assert(wand != (MagickWand *) NULL); 8378 assert(wand->signature == MagickWandSignature); 8379 if (IfMagickTrue(wand->debug)) 8380 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8381 if (wand->images == (Image *) NULL) 8382 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8383 resample_image=ResampleImage(wand->images,x_resolution,y_resolution,filter, 8384 wand->exception); 8385 if (resample_image == (Image *) NULL) 8386 return(MagickFalse); 8387 ReplaceImageInList(&wand->images,resample_image); 8388 return(MagickTrue); 8389} 8390 8391/* 8392%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8393% % 8394% % 8395% % 8396% M a g i c k R e s e t I m a g e P a g e % 8397% % 8398% % 8399% % 8400%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8401% 8402% MagickResetImagePage() resets the Wand page canvas and position. 8403% 8404% The format of the MagickResetImagePage method is: 8405% 8406% MagickBooleanType MagickResetImagePage(MagickWand *wand, 8407% const char *page) 8408% 8409% A description of each parameter follows: 8410% 8411% o wand: the magick wand. 8412% 8413% o page: the relative page specification. 8414% 8415*/ 8416WandExport MagickBooleanType MagickResetImagePage(MagickWand *wand, 8417 const char *page) 8418{ 8419 assert(wand != (MagickWand *) NULL); 8420 assert(wand->signature == MagickWandSignature); 8421 if (IfMagickTrue(wand->debug)) 8422 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8423 if (wand->images == (Image *) NULL) 8424 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8425 if ((page == (char *) NULL) || (*page == '\0')) 8426 { 8427 (void) ParseAbsoluteGeometry("0x0+0+0",&wand->images->page); 8428 return(MagickTrue); 8429 } 8430 return(ResetImagePage(wand->images,page)); 8431} 8432 8433/* 8434%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8435% % 8436% % 8437% % 8438% M a g i c k R e s i z e I m a g e % 8439% % 8440% % 8441% % 8442%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8443% 8444% MagickResizeImage() scales an image to the desired dimensions with one of 8445% these filters: 8446% 8447% Bessel Blackman Box 8448% Catrom Cubic Gaussian 8449% Hanning Hermite Lanczos 8450% Mitchell Point Quandratic 8451% Sinc Triangle 8452% 8453% Most of the filters are FIR (finite impulse response), however, Bessel, 8454% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8455% are windowed (brought down to zero) with the Blackman filter. 8456% 8457% The format of the MagickResizeImage method is: 8458% 8459% MagickBooleanType MagickResizeImage(MagickWand *wand, 8460% const size_t columns,const size_t rows,const FilterTypes filter) 8461% 8462% A description of each parameter follows: 8463% 8464% o wand: the magick wand. 8465% 8466% o columns: the number of columns in the scaled image. 8467% 8468% o rows: the number of rows in the scaled image. 8469% 8470% o filter: Image filter to use. 8471% 8472*/ 8473WandExport MagickBooleanType MagickResizeImage(MagickWand *wand, 8474 const size_t columns,const size_t rows,const FilterTypes filter) 8475{ 8476 Image 8477 *resize_image; 8478 8479 assert(wand != (MagickWand *) NULL); 8480 assert(wand->signature == MagickWandSignature); 8481 if (IfMagickTrue(wand->debug)) 8482 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8483 if (wand->images == (Image *) NULL) 8484 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8485 resize_image=ResizeImage(wand->images,columns,rows,filter,wand->exception); 8486 if (resize_image == (Image *) NULL) 8487 return(MagickFalse); 8488 ReplaceImageInList(&wand->images,resize_image); 8489 return(MagickTrue); 8490} 8491 8492/* 8493%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8494% % 8495% % 8496% % 8497% M a g i c k R o l l I m a g e % 8498% % 8499% % 8500% % 8501%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8502% 8503% MagickRollImage() offsets an image as defined by x and y. 8504% 8505% The format of the MagickRollImage method is: 8506% 8507% MagickBooleanType MagickRollImage(MagickWand *wand,const ssize_t x, 8508% const size_t y) 8509% 8510% A description of each parameter follows: 8511% 8512% o wand: the magick wand. 8513% 8514% o x: the x offset. 8515% 8516% o y: the y offset. 8517% 8518% 8519*/ 8520WandExport MagickBooleanType MagickRollImage(MagickWand *wand, 8521 const ssize_t x,const ssize_t y) 8522{ 8523 Image 8524 *roll_image; 8525 8526 assert(wand != (MagickWand *) NULL); 8527 assert(wand->signature == MagickWandSignature); 8528 if (IfMagickTrue(wand->debug)) 8529 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8530 if (wand->images == (Image *) NULL) 8531 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8532 roll_image=RollImage(wand->images,x,y,wand->exception); 8533 if (roll_image == (Image *) NULL) 8534 return(MagickFalse); 8535 ReplaceImageInList(&wand->images,roll_image); 8536 return(MagickTrue); 8537} 8538 8539/* 8540%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8541% % 8542% % 8543% % 8544% M a g i c k R o t a t e I m a g e % 8545% % 8546% % 8547% % 8548%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8549% 8550% MagickRotateImage() rotates an image the specified number of degrees. Empty 8551% triangles left over from rotating the image are filled with the 8552% background color. 8553% 8554% The format of the MagickRotateImage method is: 8555% 8556% MagickBooleanType MagickRotateImage(MagickWand *wand, 8557% const PixelWand *background,const double degrees) 8558% 8559% A description of each parameter follows: 8560% 8561% o wand: the magick wand. 8562% 8563% o background: the background pixel wand. 8564% 8565% o degrees: the number of degrees to rotate the image. 8566% 8567% 8568*/ 8569WandExport MagickBooleanType MagickRotateImage(MagickWand *wand, 8570 const PixelWand *background,const double degrees) 8571{ 8572 Image 8573 *rotate_image; 8574 8575 assert(wand != (MagickWand *) NULL); 8576 assert(wand->signature == MagickWandSignature); 8577 if (IfMagickTrue(wand->debug)) 8578 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8579 if (wand->images == (Image *) NULL) 8580 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8581 PixelGetQuantumPacket(background,&wand->images->background_color); 8582 rotate_image=RotateImage(wand->images,degrees,wand->exception); 8583 if (rotate_image == (Image *) NULL) 8584 return(MagickFalse); 8585 ReplaceImageInList(&wand->images,rotate_image); 8586 return(MagickTrue); 8587} 8588 8589/* 8590%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8591% % 8592% % 8593% % 8594% M a g i c k S a m p l e I m a g e % 8595% % 8596% % 8597% % 8598%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8599% 8600% MagickSampleImage() scales an image to the desired dimensions with pixel 8601% sampling. Unlike other scaling methods, this method does not introduce 8602% any additional color into the scaled image. 8603% 8604% The format of the MagickSampleImage method is: 8605% 8606% MagickBooleanType MagickSampleImage(MagickWand *wand, 8607% const size_t columns,const size_t rows) 8608% 8609% A description of each parameter follows: 8610% 8611% o wand: the magick wand. 8612% 8613% o columns: the number of columns in the scaled image. 8614% 8615% o rows: the number of rows in the scaled image. 8616% 8617% 8618*/ 8619WandExport MagickBooleanType MagickSampleImage(MagickWand *wand, 8620 const size_t columns,const size_t rows) 8621{ 8622 Image 8623 *sample_image; 8624 8625 assert(wand != (MagickWand *) NULL); 8626 assert(wand->signature == MagickWandSignature); 8627 if (IfMagickTrue(wand->debug)) 8628 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8629 if (wand->images == (Image *) NULL) 8630 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8631 sample_image=SampleImage(wand->images,columns,rows,wand->exception); 8632 if (sample_image == (Image *) NULL) 8633 return(MagickFalse); 8634 ReplaceImageInList(&wand->images,sample_image); 8635 return(MagickTrue); 8636} 8637 8638/* 8639%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8640% % 8641% % 8642% % 8643% M a g i c k S c a l e I m a g e % 8644% % 8645% % 8646% % 8647%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8648% 8649% MagickScaleImage() scales the size of an image to the given dimensions. 8650% 8651% The format of the MagickScaleImage method is: 8652% 8653% MagickBooleanType MagickScaleImage(MagickWand *wand, 8654% const size_t columns,const size_t rows) 8655% 8656% A description of each parameter follows: 8657% 8658% o wand: the magick wand. 8659% 8660% o columns: the number of columns in the scaled image. 8661% 8662% o rows: the number of rows in the scaled image. 8663% 8664% 8665*/ 8666WandExport MagickBooleanType MagickScaleImage(MagickWand *wand, 8667 const size_t columns,const size_t rows) 8668{ 8669 Image 8670 *scale_image; 8671 8672 assert(wand != (MagickWand *) NULL); 8673 assert(wand->signature == MagickWandSignature); 8674 if (IfMagickTrue(wand->debug)) 8675 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8676 if (wand->images == (Image *) NULL) 8677 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8678 scale_image=ScaleImage(wand->images,columns,rows,wand->exception); 8679 if (scale_image == (Image *) NULL) 8680 return(MagickFalse); 8681 ReplaceImageInList(&wand->images,scale_image); 8682 return(MagickTrue); 8683} 8684 8685/* 8686%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8687% % 8688% % 8689% % 8690% M a g i c k S e g m e n t I m a g e % 8691% % 8692% % 8693% % 8694%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8695% 8696% MagickSegmentImage() segments an image by analyzing the histograms of the 8697% color components and identifying units that are homogeneous with the fuzzy 8698% C-means technique. 8699% 8700% The format of the SegmentImage method is: 8701% 8702% MagickBooleanType MagickSegmentImage(MagickWand *wand, 8703% const ColorspaceType colorspace,const MagickBooleanType verbose, 8704% const double cluster_threshold,const double smooth_threshold) 8705% 8706% A description of each parameter follows. 8707% 8708% o wand: the wand. 8709% 8710% o colorspace: the image colorspace. 8711% 8712% o verbose: Set to MagickTrue to print detailed information about the 8713% identified classes. 8714% 8715% o cluster_threshold: This represents the minimum number of pixels 8716% contained in a hexahedra before it can be considered valid (expressed as 8717% a percentage). 8718% 8719% o smooth_threshold: the smoothing threshold eliminates noise in the second 8720% derivative of the histogram. As the value is increased, you can expect a 8721% smoother second derivative. 8722% 8723*/ 8724MagickExport MagickBooleanType MagickSegmentImage(MagickWand *wand, 8725 const ColorspaceType colorspace,const MagickBooleanType verbose, 8726 const double cluster_threshold,const double smooth_threshold) 8727{ 8728 MagickBooleanType 8729 status; 8730 8731 assert(wand != (MagickWand *) NULL); 8732 assert(wand->signature == MagickWandSignature); 8733 if (IfMagickTrue(wand->debug)) 8734 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8735 if (wand->images == (Image *) NULL) 8736 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8737 status=SegmentImage(wand->images,colorspace,verbose,cluster_threshold, 8738 smooth_threshold,wand->exception); 8739 return(status); 8740} 8741 8742/* 8743%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8744% % 8745% % 8746% % 8747% M a g i c k S e l e c t i v e B l u r I m a g e % 8748% % 8749% % 8750% % 8751%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8752% 8753% MagickSelectiveBlurImage() selectively blur an image within a contrast 8754% threshold. It is similar to the unsharpen mask that sharpens everything with 8755% contrast above a certain threshold. 8756% 8757% The format of the MagickSelectiveBlurImage method is: 8758% 8759% MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8760% const double radius,const double sigma,const double threshold) 8761% 8762% A description of each parameter follows: 8763% 8764% o wand: the magick wand. 8765% 8766% o radius: the radius of the gaussian, in pixels, not counting the center 8767% pixel. 8768% 8769% o sigma: the standard deviation of the gaussian, in pixels. 8770% 8771% o threshold: only pixels within this contrast threshold are included 8772% in the blur operation. 8773% 8774*/ 8775WandExport MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8776 const double radius,const double sigma,const double threshold) 8777{ 8778 Image 8779 *blur_image; 8780 8781 assert(wand != (MagickWand *) NULL); 8782 assert(wand->signature == MagickWandSignature); 8783 if (IfMagickTrue(wand->debug)) 8784 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8785 if (wand->images == (Image *) NULL) 8786 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8787 blur_image=SelectiveBlurImage(wand->images,radius,sigma,threshold, 8788 wand->exception); 8789 if (blur_image == (Image *) NULL) 8790 return(MagickFalse); 8791 ReplaceImageInList(&wand->images,blur_image); 8792 return(MagickTrue); 8793} 8794 8795/* 8796%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8797% % 8798% % 8799% % 8800% 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 % 8801% % 8802% % 8803% % 8804%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8805% 8806% MagickSeparateImage() separates a channel from the image and returns a 8807% grayscale image. A channel is a particular color component of each pixel 8808% in the image. 8809% 8810% The format of the MagickSeparateImage method is: 8811% 8812% MagickBooleanType MagickSeparateImage(MagickWand *wand, 8813% const ChannelType channel) 8814% 8815% A description of each parameter follows: 8816% 8817% o wand: the magick wand. 8818% 8819% o channel: the channel. 8820% 8821*/ 8822WandExport MagickBooleanType MagickSeparateImage(MagickWand *wand, 8823 const ChannelType channel) 8824{ 8825 Image 8826 *separate_image; 8827 8828 assert(wand != (MagickWand *) NULL); 8829 assert(wand->signature == MagickWandSignature); 8830 if (IfMagickTrue(wand->debug)) 8831 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8832 if (wand->images == (Image *) NULL) 8833 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8834 separate_image=SeparateImage(wand->images,channel,wand->exception); 8835 if (separate_image == (Image *) NULL) 8836 return(MagickFalse); 8837 ReplaceImageInList(&wand->images,separate_image); 8838 return(MagickTrue); 8839} 8840 8841/* 8842%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8843% % 8844% % 8845% % 8846% M a g i c k S e p i a T o n e I m a g e % 8847% % 8848% % 8849% % 8850%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8851% 8852% MagickSepiaToneImage() applies a special effect to the image, similar to the 8853% effect achieved in a photo darkroom by sepia toning. Threshold ranges from 8854% 0 to QuantumRange and is a measure of the extent of the sepia toning. A 8855% threshold of 80% is a good starting point for a reasonable tone. 8856% 8857% The format of the MagickSepiaToneImage method is: 8858% 8859% MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8860% const double threshold) 8861% 8862% A description of each parameter follows: 8863% 8864% o wand: the magick wand. 8865% 8866% o threshold: Define the extent of the sepia toning. 8867% 8868*/ 8869WandExport MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8870 const double threshold) 8871{ 8872 Image 8873 *sepia_image; 8874 8875 assert(wand != (MagickWand *) NULL); 8876 assert(wand->signature == MagickWandSignature); 8877 if (IfMagickTrue(wand->debug)) 8878 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8879 if (wand->images == (Image *) NULL) 8880 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8881 sepia_image=SepiaToneImage(wand->images,threshold,wand->exception); 8882 if (sepia_image == (Image *) NULL) 8883 return(MagickFalse); 8884 ReplaceImageInList(&wand->images,sepia_image); 8885 return(MagickTrue); 8886} 8887 8888/* 8889%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8890% % 8891% % 8892% % 8893% M a g i c k S e t I m a g e % 8894% % 8895% % 8896% % 8897%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8898% 8899% MagickSetImage() replaces the last image returned by MagickSetIteratorIndex(), 8900% MagickNextImage(), MagickPreviousImage() with the images from the specified 8901% wand. 8902% 8903% The format of the MagickSetImage method is: 8904% 8905% MagickBooleanType MagickSetImage(MagickWand *wand, 8906% const MagickWand *set_wand) 8907% 8908% A description of each parameter follows: 8909% 8910% o wand: the magick wand. 8911% 8912% o set_wand: the set_wand wand. 8913% 8914*/ 8915WandExport MagickBooleanType MagickSetImage(MagickWand *wand, 8916 const MagickWand *set_wand) 8917{ 8918 Image 8919 *images; 8920 8921 assert(wand != (MagickWand *) NULL); 8922 assert(wand->signature == MagickWandSignature); 8923 if (IfMagickTrue(wand->debug)) 8924 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8925 assert(set_wand != (MagickWand *) NULL); 8926 assert(set_wand->signature == MagickWandSignature); 8927 if (IfMagickTrue(wand->debug)) 8928 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",set_wand->name); 8929 if (set_wand->images == (Image *) NULL) 8930 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8931 images=CloneImageList(set_wand->images,wand->exception); 8932 if (images == (Image *) NULL) 8933 return(MagickFalse); 8934 ReplaceImageInList(&wand->images,images); 8935 return(MagickTrue); 8936} 8937 8938/* 8939%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8940% % 8941% % 8942% % 8943% 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 % 8944% % 8945% % 8946% % 8947%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8948% 8949% MagickSetImageAlphaChannel() activates, deactivates, resets, or sets the 8950% alpha channel. 8951% 8952% The format of the MagickSetImageAlphaChannel method is: 8953% 8954% MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8955% const AlphaChannelOption alpha_type) 8956% 8957% A description of each parameter follows: 8958% 8959% o wand: the magick wand. 8960% 8961% o alpha_type: the alpha channel type: ActivateAlphaChannel, 8962% DeactivateAlphaChannel, OpaqueAlphaChannel, or SetAlphaChannel. 8963% 8964*/ 8965WandExport MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8966 const AlphaChannelOption alpha_type) 8967{ 8968 assert(wand != (MagickWand *) NULL); 8969 assert(wand->signature == MagickWandSignature); 8970 if (IfMagickTrue(wand->debug)) 8971 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8972 if (wand->images == (Image *) NULL) 8973 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8974 return(SetImageAlphaChannel(wand->images,alpha_type,wand->exception)); 8975} 8976 8977/* 8978%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8979% % 8980% % 8981% % 8982% 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 % 8983% % 8984% % 8985% % 8986%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8987% 8988% MagickSetImageBackgroundColor() sets the image background color. 8989% 8990% The format of the MagickSetImageBackgroundColor method is: 8991% 8992% MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 8993% const PixelWand *background) 8994% 8995% A description of each parameter follows: 8996% 8997% o wand: the magick wand. 8998% 8999% o background: the background pixel wand. 9000% 9001*/ 9002WandExport MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 9003 const PixelWand *background) 9004{ 9005 assert(wand != (MagickWand *) NULL); 9006 assert(wand->signature == MagickWandSignature); 9007 if (IfMagickTrue(wand->debug)) 9008 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9009 if (wand->images == (Image *) NULL) 9010 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9011 PixelGetQuantumPacket(background,&wand->images->background_color); 9012 return(MagickTrue); 9013} 9014 9015/* 9016%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9017% % 9018% % 9019% % 9020% 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 % 9021% % 9022% % 9023% % 9024%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9025% 9026% MagickSetImageBluePrimary() sets the image chromaticity blue primary point. 9027% 9028% The format of the MagickSetImageBluePrimary method is: 9029% 9030% MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 9031% const double x,const double y) 9032% 9033% A description of each parameter follows: 9034% 9035% o wand: the magick wand. 9036% 9037% o x: the blue primary x-point. 9038% 9039% o y: the blue primary y-point. 9040% 9041*/ 9042WandExport MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 9043 const double x,const double y) 9044{ 9045 assert(wand != (MagickWand *) NULL); 9046 assert(wand->signature == MagickWandSignature); 9047 if (IfMagickTrue(wand->debug)) 9048 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9049 if (wand->images == (Image *) NULL) 9050 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9051 wand->images->chromaticity.blue_primary.x=x; 9052 wand->images->chromaticity.blue_primary.y=y; 9053 return(MagickTrue); 9054} 9055 9056/* 9057%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9058% % 9059% % 9060% % 9061% 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 % 9062% % 9063% % 9064% % 9065%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9066% 9067% MagickSetImageBorderColor() sets the image border color. 9068% 9069% The format of the MagickSetImageBorderColor method is: 9070% 9071% MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 9072% const PixelWand *border) 9073% 9074% A description of each parameter follows: 9075% 9076% o wand: the magick wand. 9077% 9078% o border: the border pixel wand. 9079% 9080*/ 9081WandExport MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 9082 const PixelWand *border) 9083{ 9084 assert(wand != (MagickWand *) NULL); 9085 assert(wand->signature == MagickWandSignature); 9086 if (IfMagickTrue(wand->debug)) 9087 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9088 if (wand->images == (Image *) NULL) 9089 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9090 PixelGetQuantumPacket(border,&wand->images->border_color); 9091 return(MagickTrue); 9092} 9093 9094/* 9095%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9096% % 9097% % 9098% % 9099% 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 % 9100% % 9101% % 9102% % 9103%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9104% 9105% MagickSetImageChannelMask() sets image channel mask. 9106% 9107% The format of the MagickSetImageChannelMask method is: 9108% 9109% ChannelType MagickSetImageChannelMask(MagickWand *wand, 9110% const ChannelType channel_mask) 9111% 9112% A description of each parameter follows: 9113% 9114% o wand: the magick wand. 9115% 9116% o channel_mask: the channel_mask wand. 9117% 9118*/ 9119WandExport ChannelType MagickSetImageChannelMask(MagickWand *wand, 9120 const ChannelType channel_mask) 9121{ 9122 assert(wand != (MagickWand *) NULL); 9123 assert(wand->signature == MagickWandSignature); 9124 if (IfMagickTrue(wand->debug)) 9125 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9126 return(SetImageChannelMask(wand->images,channel_mask)); 9127} 9128 9129/* 9130%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9131% % 9132% % 9133% % 9134% M a g i c k S e t I m a g e M a s k % 9135% % 9136% % 9137% % 9138%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9139% 9140% MagickSetImageMask() sets image clip mask. 9141% 9142% The format of the MagickSetImageMask method is: 9143% 9144% MagickBooleanType MagickSetImageMask(MagickWand *wand, 9145% const PixelMask type,const MagickWand *clip_mask) 9146% 9147% A description of each parameter follows: 9148% 9149% o wand: the magick wand. 9150% 9151% o type: type of mask, ReadPixelMask or WritePixelMask. 9152% 9153% o clip_mask: the clip_mask wand. 9154% 9155*/ 9156WandExport MagickBooleanType MagickSetImageMask(MagickWand *wand, 9157 const PixelMask type,const MagickWand *clip_mask) 9158{ 9159 assert(wand != (MagickWand *) NULL); 9160 assert(wand->signature == MagickWandSignature); 9161 if (IfMagickTrue(wand->debug)) 9162 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9163 assert(clip_mask != (MagickWand *) NULL); 9164 assert(clip_mask->signature == MagickWandSignature); 9165 if (IfMagickTrue(clip_mask->debug)) 9166 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clip_mask->name); 9167 if (clip_mask->images == (Image *) NULL) 9168 ThrowWandException(WandError,"ContainsNoImages",clip_mask->name); 9169 return(SetImageMask(wand->images,type,clip_mask->images,wand->exception)); 9170} 9171 9172/* 9173%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9174% % 9175% % 9176% % 9177% M a g i c k S e t I m a g e C o l o r % 9178% % 9179% % 9180% % 9181%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9182% 9183% MagickSetImageColor() set the entire wand canvas to the specified color. 9184% 9185% The format of the MagickSetImageColor method is: 9186% 9187% MagickBooleanType MagickSetImageColor(MagickWand *wand, 9188% const PixelWand *color) 9189% 9190% A description of each parameter follows: 9191% 9192% o wand: the magick wand. 9193% 9194% o background: the image color. 9195% 9196*/ 9197WandExport MagickBooleanType MagickSetImageColor(MagickWand *wand, 9198 const PixelWand *color) 9199{ 9200 PixelInfo 9201 pixel; 9202 9203 assert(wand != (MagickWand *) NULL); 9204 assert(wand->signature == MagickWandSignature); 9205 if (IfMagickTrue(wand->debug)) 9206 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9207 PixelGetMagickColor(color,&pixel); 9208 return(SetImageColor(wand->images,&pixel,wand->exception)); 9209} 9210 9211/* 9212%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9213% % 9214% % 9215% % 9216% 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 % 9217% % 9218% % 9219% % 9220%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9221% 9222% MagickSetImageColormapColor() sets the color of the specified colormap 9223% index. 9224% 9225% The format of the MagickSetImageColormapColor method is: 9226% 9227% MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 9228% const size_t index,const PixelWand *color) 9229% 9230% A description of each parameter follows: 9231% 9232% o wand: the magick wand. 9233% 9234% o index: the offset into the image colormap. 9235% 9236% o color: Return the colormap color in this wand. 9237% 9238*/ 9239WandExport MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 9240 const size_t index,const PixelWand *color) 9241{ 9242 assert(wand != (MagickWand *) NULL); 9243 assert(wand->signature == MagickWandSignature); 9244 if (IfMagickTrue(wand->debug)) 9245 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9246 if (wand->images == (Image *) NULL) 9247 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9248 if ((wand->images->colormap == (PixelInfo *) NULL) || 9249 (index >= wand->images->colors)) 9250 ThrowWandException(WandError,"InvalidColormapIndex",wand->name); 9251 PixelGetQuantumPacket(color,wand->images->colormap+index); 9252 return(SyncImage(wand->images,wand->exception)); 9253} 9254 9255/* 9256%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9257% % 9258% % 9259% % 9260% M a g i c k S e t I m a g e C o l o r s p a c e % 9261% % 9262% % 9263% % 9264%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9265% 9266% MagickSetImageColorspace() sets the image colorspace. But does not modify 9267% the image data. 9268% 9269% The format of the MagickSetImageColorspace method is: 9270% 9271% MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 9272% const ColorspaceType colorspace) 9273% 9274% A description of each parameter follows: 9275% 9276% o wand: the magick wand. 9277% 9278% o colorspace: the image colorspace: UndefinedColorspace, RGBColorspace, 9279% GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, 9280% YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, 9281% YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, 9282% HSLColorspace, or HWBColorspace. 9283% 9284*/ 9285WandExport MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 9286 const ColorspaceType colorspace) 9287{ 9288 assert(wand != (MagickWand *) NULL); 9289 assert(wand->signature == MagickWandSignature); 9290 if (IfMagickTrue(wand->debug)) 9291 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9292 if (wand->images == (Image *) NULL) 9293 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9294 return(SetImageColorspace(wand->images,colorspace,wand->exception)); 9295} 9296 9297/* 9298%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9299% % 9300% % 9301% % 9302% M a g i c k S e t I m a g e C o m p o s e % 9303% % 9304% % 9305% % 9306%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9307% 9308% MagickSetImageCompose() sets the image composite operator, useful for 9309% specifying how to composite the image thumbnail when using the 9310% MagickMontageImage() method. 9311% 9312% The format of the MagickSetImageCompose method is: 9313% 9314% MagickBooleanType MagickSetImageCompose(MagickWand *wand, 9315% const CompositeOperator compose) 9316% 9317% A description of each parameter follows: 9318% 9319% o wand: the magick wand. 9320% 9321% o compose: the image composite operator. 9322% 9323*/ 9324WandExport MagickBooleanType MagickSetImageCompose(MagickWand *wand, 9325 const CompositeOperator compose) 9326{ 9327 assert(wand != (MagickWand *) NULL); 9328 assert(wand->signature == MagickWandSignature); 9329 if (IfMagickTrue(wand->debug)) 9330 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9331 if (wand->images == (Image *) NULL) 9332 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9333 wand->images->compose=compose; 9334 return(MagickTrue); 9335} 9336 9337/* 9338%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9339% % 9340% % 9341% % 9342% 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 % 9343% % 9344% % 9345% % 9346%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9347% 9348% MagickSetImageCompression() sets the image compression. 9349% 9350% The format of the MagickSetImageCompression method is: 9351% 9352% MagickBooleanType MagickSetImageCompression(MagickWand *wand, 9353% const CompressionType compression) 9354% 9355% A description of each parameter follows: 9356% 9357% o wand: the magick wand. 9358% 9359% o compression: the image compression type. 9360% 9361*/ 9362WandExport MagickBooleanType MagickSetImageCompression(MagickWand *wand, 9363 const CompressionType compression) 9364{ 9365 assert(wand != (MagickWand *) NULL); 9366 assert(wand->signature == MagickWandSignature); 9367 if (IfMagickTrue(wand->debug)) 9368 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9369 if (wand->images == (Image *) NULL) 9370 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9371 wand->images->compression=compression; 9372 return(MagickTrue); 9373} 9374 9375/* 9376%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9377% % 9378% % 9379% % 9380% 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 % 9381% % 9382% % 9383% % 9384%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9385% 9386% MagickSetImageCompressionQuality() sets the image compression quality. 9387% 9388% The format of the MagickSetImageCompressionQuality method is: 9389% 9390% MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 9391% const size_t quality) 9392% 9393% A description of each parameter follows: 9394% 9395% o wand: the magick wand. 9396% 9397% o quality: the image compression tlityype. 9398% 9399*/ 9400WandExport MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 9401 const size_t quality) 9402{ 9403 assert(wand != (MagickWand *) NULL); 9404 assert(wand->signature == MagickWandSignature); 9405 if (IfMagickTrue(wand->debug)) 9406 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9407 if (wand->images == (Image *) NULL) 9408 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9409 wand->images->quality=quality; 9410 return(MagickTrue); 9411} 9412 9413/* 9414%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9415% % 9416% % 9417% % 9418% M a g i c k S e t I m a g e D e l a y % 9419% % 9420% % 9421% % 9422%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9423% 9424% MagickSetImageDelay() sets the image delay. 9425% 9426% The format of the MagickSetImageDelay method is: 9427% 9428% MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9429% const size_t delay) 9430% 9431% A description of each parameter follows: 9432% 9433% o wand: the magick wand. 9434% 9435% o delay: the image delay in ticks-per-second units. 9436% 9437*/ 9438WandExport MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9439 const size_t delay) 9440{ 9441 assert(wand != (MagickWand *) NULL); 9442 assert(wand->signature == MagickWandSignature); 9443 if (IfMagickTrue(wand->debug)) 9444 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9445 if (wand->images == (Image *) NULL) 9446 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9447 wand->images->delay=delay; 9448 return(MagickTrue); 9449} 9450 9451/* 9452%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9453% % 9454% % 9455% % 9456% M a g i c k S e t I m a g e D e p t h % 9457% % 9458% % 9459% % 9460%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9461% 9462% MagickSetImageDepth() sets the image depth. 9463% 9464% The format of the MagickSetImageDepth method is: 9465% 9466% MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9467% const size_t depth) 9468% 9469% A description of each parameter follows: 9470% 9471% o wand: the magick wand. 9472% 9473% o depth: the image depth in bits: 8, 16, or 32. 9474% 9475*/ 9476WandExport MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9477 const size_t depth) 9478{ 9479 assert(wand != (MagickWand *) NULL); 9480 assert(wand->signature == MagickWandSignature); 9481 if (IfMagickTrue(wand->debug)) 9482 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9483 if (wand->images == (Image *) NULL) 9484 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9485 return(SetImageDepth(wand->images,depth,wand->exception)); 9486} 9487 9488/* 9489%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9490% % 9491% % 9492% % 9493% M a g i c k S e t I m a g e D i s p o s e % 9494% % 9495% % 9496% % 9497%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9498% 9499% MagickSetImageDispose() sets the image disposal method. 9500% 9501% The format of the MagickSetImageDispose method is: 9502% 9503% MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9504% const DisposeType dispose) 9505% 9506% A description of each parameter follows: 9507% 9508% o wand: the magick wand. 9509% 9510% o dispose: the image disposeal type. 9511% 9512*/ 9513WandExport MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9514 const DisposeType dispose) 9515{ 9516 assert(wand != (MagickWand *) NULL); 9517 assert(wand->signature == MagickWandSignature); 9518 if (IfMagickTrue(wand->debug)) 9519 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9520 if (wand->images == (Image *) NULL) 9521 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9522 wand->images->dispose=dispose; 9523 return(MagickTrue); 9524} 9525 9526/* 9527%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9528% % 9529% % 9530% % 9531% M a g i c k S e t I m a g e E n d i a n % 9532% % 9533% % 9534% % 9535%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9536% 9537% MagickSetImageEndian() sets the image endian method. 9538% 9539% The format of the MagickSetImageEndian method is: 9540% 9541% MagickBooleanType MagickSetImageEndian(MagickWand *wand, 9542% const EndianType endian) 9543% 9544% A description of each parameter follows: 9545% 9546% o wand: the magick wand. 9547% 9548% o endian: the image endian type. 9549% 9550*/ 9551WandExport MagickBooleanType MagickSetImageEndian(MagickWand *wand, 9552 const EndianType endian) 9553{ 9554 assert(wand != (MagickWand *) NULL); 9555 assert(wand->signature == MagickWandSignature); 9556 if (wand->debug != MagickFalse) 9557 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9558 if (wand->images == (Image *) NULL) 9559 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9560 wand->images->endian=endian; 9561 return(MagickTrue); 9562} 9563 9564/* 9565%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9566% % 9567% % 9568% % 9569% M a g i c k S e t I m a g e E x t e n t % 9570% % 9571% % 9572% % 9573%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9574% 9575% MagickSetImageExtent() sets the image size (i.e. columns & rows). 9576% 9577% The format of the MagickSetImageExtent method is: 9578% 9579% MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9580% const size_t columns,const unsigned rows) 9581% 9582% A description of each parameter follows: 9583% 9584% o wand: the magick wand. 9585% 9586% o columns: The image width in pixels. 9587% 9588% o rows: The image height in pixels. 9589% 9590*/ 9591WandExport MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9592 const size_t columns,const size_t rows) 9593{ 9594 assert(wand != (MagickWand *) NULL); 9595 assert(wand->signature == MagickWandSignature); 9596 if (IfMagickTrue(wand->debug)) 9597 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9598 if (wand->images == (Image *) NULL) 9599 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9600 return(SetImageExtent(wand->images,columns,rows,wand->exception)); 9601} 9602 9603/* 9604%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9605% % 9606% % 9607% % 9608% M a g i c k S e t I m a g e F i l e n a m e % 9609% % 9610% % 9611% % 9612%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9613% 9614% MagickSetImageFilename() sets the filename of a particular image in a 9615% sequence. 9616% 9617% The format of the MagickSetImageFilename method is: 9618% 9619% MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9620% const char *filename) 9621% 9622% A description of each parameter follows: 9623% 9624% o wand: the magick wand. 9625% 9626% o filename: the image filename. 9627% 9628*/ 9629WandExport MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9630 const char *filename) 9631{ 9632 assert(wand != (MagickWand *) NULL); 9633 assert(wand->signature == MagickWandSignature); 9634 if (IfMagickTrue(wand->debug)) 9635 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9636 if (wand->images == (Image *) NULL) 9637 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9638 if (filename != (const char *) NULL) 9639 (void) CopyMagickString(wand->images->filename,filename,MagickPathExtent); 9640 return(MagickTrue); 9641} 9642 9643/* 9644%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9645% % 9646% % 9647% % 9648% M a g i c k S e t I m a g e F o r m a t % 9649% % 9650% % 9651% % 9652%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9653% 9654% MagickSetImageFormat() sets the format of a particular image in a 9655% sequence. 9656% 9657% The format of the MagickSetImageFormat method is: 9658% 9659% MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9660% const char *format) 9661% 9662% A description of each parameter follows: 9663% 9664% o wand: the magick wand. 9665% 9666% o format: the image format. 9667% 9668*/ 9669WandExport MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9670 const char *format) 9671{ 9672 const MagickInfo 9673 *magick_info; 9674 9675 assert(wand != (MagickWand *) NULL); 9676 assert(wand->signature == MagickWandSignature); 9677 if (IfMagickTrue(wand->debug)) 9678 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9679 if (wand->images == (Image *) NULL) 9680 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9681 if ((format == (char *) NULL) || (*format == '\0')) 9682 { 9683 *wand->images->magick='\0'; 9684 return(MagickTrue); 9685 } 9686 magick_info=GetMagickInfo(format,wand->exception); 9687 if (magick_info == (const MagickInfo *) NULL) 9688 return(MagickFalse); 9689 ClearMagickException(wand->exception); 9690 (void) CopyMagickString(wand->images->magick,format,MagickPathExtent); 9691 return(MagickTrue); 9692} 9693 9694/* 9695%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9696% % 9697% % 9698% % 9699% M a g i c k S e t I m a g e F u z z % 9700% % 9701% % 9702% % 9703%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9704% 9705% MagickSetImageFuzz() sets the image fuzz. 9706% 9707% The format of the MagickSetImageFuzz method is: 9708% 9709% MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9710% const double fuzz) 9711% 9712% A description of each parameter follows: 9713% 9714% o wand: the magick wand. 9715% 9716% o fuzz: the image fuzz. 9717% 9718*/ 9719WandExport MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9720 const double fuzz) 9721{ 9722 assert(wand != (MagickWand *) NULL); 9723 assert(wand->signature == MagickWandSignature); 9724 if (IfMagickTrue(wand->debug)) 9725 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9726 if (wand->images == (Image *) NULL) 9727 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9728 wand->images->fuzz=fuzz; 9729 return(MagickTrue); 9730} 9731 9732/* 9733%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9734% % 9735% % 9736% % 9737% M a g i c k S e t I m a g e G a m m a % 9738% % 9739% % 9740% % 9741%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9742% 9743% MagickSetImageGamma() sets the image gamma. 9744% 9745% The format of the MagickSetImageGamma method is: 9746% 9747% MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9748% const double gamma) 9749% 9750% A description of each parameter follows: 9751% 9752% o wand: the magick wand. 9753% 9754% o gamma: the image gamma. 9755% 9756*/ 9757WandExport MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9758 const double gamma) 9759{ 9760 assert(wand != (MagickWand *) NULL); 9761 assert(wand->signature == MagickWandSignature); 9762 if (IfMagickTrue(wand->debug)) 9763 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9764 if (wand->images == (Image *) NULL) 9765 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9766 wand->images->gamma=gamma; 9767 return(MagickTrue); 9768} 9769 9770/* 9771%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9772% % 9773% % 9774% % 9775% M a g i c k S e t I m a g e G r a v i t y % 9776% % 9777% % 9778% % 9779%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9780% 9781% MagickSetImageGravity() sets the image gravity type. 9782% 9783% The format of the MagickSetImageGravity method is: 9784% 9785% MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9786% const GravityType gravity) 9787% 9788% A description of each parameter follows: 9789% 9790% o wand: the magick wand. 9791% 9792% o gravity: positioning gravity (NorthWestGravity, NorthGravity, 9793% NorthEastGravity, WestGravity, CenterGravity, 9794% EastGravity, SouthWestGravity, SouthGravity, 9795% SouthEastGravity) 9796% 9797*/ 9798WandExport MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9799 const GravityType gravity) 9800{ 9801 assert(wand != (MagickWand *) NULL); 9802 assert(wand->signature == MagickWandSignature); 9803 if (IfMagickTrue(wand->debug)) 9804 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9805 if (wand->images == (Image *) NULL) 9806 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9807 wand->images->gravity=gravity; 9808 return(MagickTrue); 9809} 9810 9811/* 9812%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9813% % 9814% % 9815% % 9816% 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 % 9817% % 9818% % 9819% % 9820%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9821% 9822% MagickSetImageGreenPrimary() sets the image chromaticity green primary 9823% point. 9824% 9825% The format of the MagickSetImageGreenPrimary method is: 9826% 9827% MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9828% const double x,const double y) 9829% 9830% A description of each parameter follows: 9831% 9832% o wand: the magick wand. 9833% 9834% o x: the green primary x-point. 9835% 9836% o y: the green primary y-point. 9837% 9838% 9839*/ 9840WandExport MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9841 const double x,const double y) 9842{ 9843 assert(wand != (MagickWand *) NULL); 9844 assert(wand->signature == MagickWandSignature); 9845 if (IfMagickTrue(wand->debug)) 9846 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9847 if (wand->images == (Image *) NULL) 9848 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9849 wand->images->chromaticity.green_primary.x=x; 9850 wand->images->chromaticity.green_primary.y=y; 9851 return(MagickTrue); 9852} 9853 9854/* 9855%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9856% % 9857% % 9858% % 9859% 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 % 9860% % 9861% % 9862% % 9863%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9864% 9865% MagickSetImageInterlaceScheme() sets the image interlace scheme. 9866% 9867% The format of the MagickSetImageInterlaceScheme method is: 9868% 9869% MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9870% const InterlaceType interlace) 9871% 9872% A description of each parameter follows: 9873% 9874% o wand: the magick wand. 9875% 9876% o interlace: the image interlace scheme: NoInterlace, LineInterlace, 9877% PlaneInterlace, PartitionInterlace. 9878% 9879*/ 9880WandExport MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9881 const InterlaceType interlace) 9882{ 9883 assert(wand != (MagickWand *) NULL); 9884 assert(wand->signature == MagickWandSignature); 9885 if (IfMagickTrue(wand->debug)) 9886 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9887 if (wand->images == (Image *) NULL) 9888 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9889 wand->images->interlace=interlace; 9890 return(MagickTrue); 9891} 9892 9893/* 9894%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9895% % 9896% % 9897% % 9898% 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 % 9899% % 9900% % 9901% % 9902%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9903% 9904% MagickSetImagePixelInterpolateMethod() sets the image interpolate pixel 9905% method. 9906% 9907% The format of the MagickSetImagePixelInterpolateMethod method is: 9908% 9909% MagickBooleanType MagickSetImagePixelInterpolateMethod(MagickWand *wand, 9910% const PixelInterpolateMethod method) 9911% 9912% A description of each parameter follows: 9913% 9914% o wand: the magick wand. 9915% 9916% o method: the image interpole pixel methods: choose from Undefined, 9917% Average, Bicubic, Bilinear, Filter, Integer, Mesh, NearestNeighbor. 9918% 9919*/ 9920WandExport MagickBooleanType MagickSetImagePixelInterpolateMethod( 9921 MagickWand *wand,const PixelInterpolateMethod method) 9922{ 9923 assert(wand != (MagickWand *) NULL); 9924 assert(wand->signature == MagickWandSignature); 9925 if (IfMagickTrue(wand->debug)) 9926 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9927 if (wand->images == (Image *) NULL) 9928 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9929 wand->images->interpolate=method; 9930 return(MagickTrue); 9931} 9932 9933/* 9934%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9935% % 9936% % 9937% % 9938% M a g i c k S e t I m a g e I t e r a t i o n s % 9939% % 9940% % 9941% % 9942%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9943% 9944% MagickSetImageIterations() sets the image iterations. 9945% 9946% The format of the MagickSetImageIterations method is: 9947% 9948% MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9949% const size_t iterations) 9950% 9951% A description of each parameter follows: 9952% 9953% o wand: the magick wand. 9954% 9955% o delay: the image delay in 1/100th of a second. 9956% 9957*/ 9958WandExport MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9959 const size_t iterations) 9960{ 9961 assert(wand != (MagickWand *) NULL); 9962 assert(wand->signature == MagickWandSignature); 9963 if (IfMagickTrue(wand->debug)) 9964 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9965 if (wand->images == (Image *) NULL) 9966 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9967 wand->images->iterations=iterations; 9968 return(MagickTrue); 9969} 9970 9971/* 9972%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9973% % 9974% % 9975% % 9976% M a g i c k S e t I m a g e M a t t e % 9977% % 9978% % 9979% % 9980%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9981% 9982% MagickSetImageMatte() sets the image matte channel. 9983% 9984% The format of the MagickSetImageMatteColor method is: 9985% 9986% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9987% const MagickBooleanType *matte) 9988% 9989% A description of each parameter follows: 9990% 9991% o wand: the magick wand. 9992% 9993% o matte: Set to MagickTrue to enable the image matte channel otherwise 9994% MagickFalse. 9995% 9996*/ 9997WandExport MagickBooleanType MagickSetImageMatte(MagickWand *wand, 9998 const MagickBooleanType matte) 9999{ 10000 assert(wand != (MagickWand *) NULL); 10001 assert(wand->signature == MagickWandSignature); 10002 if (IfMagickTrue(wand->debug)) 10003 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10004 if (wand->images == (Image *) NULL) 10005 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10006 if (matte == MagickFalse) 10007 wand->images->alpha_trait=UndefinedPixelTrait; 10008 else 10009 { 10010 if (wand->images->alpha_trait == UndefinedPixelTrait) 10011 (void) SetImageAlpha(wand->images,OpaqueAlpha,wand->exception); 10012 wand->images->alpha_trait=BlendPixelTrait; 10013 } 10014 return(MagickTrue); 10015} 10016 10017/* 10018%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10019% % 10020% % 10021% % 10022% M a g i c k S e t I m a g e M a t t e C o l o r % 10023% % 10024% % 10025% % 10026%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10027% 10028% MagickSetImageMatteColor() sets the image matte color. 10029% 10030% The format of the MagickSetImageMatteColor method is: 10031% 10032% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 10033% const PixelWand *matte) 10034% 10035% A description of each parameter follows: 10036% 10037% o wand: the magick wand. 10038% 10039% o matte: the matte pixel wand. 10040% 10041*/ 10042WandExport MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 10043 const PixelWand *matte) 10044{ 10045 assert(wand != (MagickWand *) NULL); 10046 assert(wand->signature == MagickWandSignature); 10047 if (IfMagickTrue(wand->debug)) 10048 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10049 if (wand->images == (Image *) NULL) 10050 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10051 PixelGetQuantumPacket(matte,&wand->images->matte_color); 10052 return(MagickTrue); 10053} 10054 10055/* 10056%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10057% % 10058% % 10059% % 10060% M a g i c k S e t I m a g e O p a c i t y % 10061% % 10062% % 10063% % 10064%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10065% 10066% MagickSetImageAlpha() sets the image to the specified alpha level. 10067% 10068% The format of the MagickSetImageAlpha method is: 10069% 10070% MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 10071% const double alpha) 10072% 10073% A description of each parameter follows: 10074% 10075% o wand: the magick wand. 10076% 10077% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 10078% transparent. 10079% 10080*/ 10081WandExport MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 10082 const double alpha) 10083{ 10084 MagickBooleanType 10085 status; 10086 10087 assert(wand != (MagickWand *) NULL); 10088 assert(wand->signature == MagickWandSignature); 10089 if (IfMagickTrue(wand->debug)) 10090 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10091 if (wand->images == (Image *) NULL) 10092 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10093 status=SetImageAlpha(wand->images,ClampToQuantum(QuantumRange*alpha), 10094 wand->exception); 10095 return(status); 10096} 10097 10098/* 10099%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10100% % 10101% % 10102% % 10103% 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 % 10104% % 10105% % 10106% % 10107%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10108% 10109% MagickSetImageOrientation() sets the image orientation. 10110% 10111% The format of the MagickSetImageOrientation method is: 10112% 10113% MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 10114% const OrientationType orientation) 10115% 10116% A description of each parameter follows: 10117% 10118% o wand: the magick wand. 10119% 10120% o orientation: the image orientation type. 10121% 10122*/ 10123WandExport MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 10124 const OrientationType orientation) 10125{ 10126 assert(wand != (MagickWand *) NULL); 10127 assert(wand->signature == MagickWandSignature); 10128 if (IfMagickTrue(wand->debug)) 10129 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10130 if (wand->images == (Image *) NULL) 10131 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10132 wand->images->orientation=orientation; 10133 return(MagickTrue); 10134} 10135 10136/* 10137%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10138% % 10139% % 10140% % 10141% M a g i c k S e t I m a g e P a g e % 10142% % 10143% % 10144% % 10145%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10146% 10147% MagickSetImagePage() sets the page geometry of the image. 10148% 10149% The format of the MagickSetImagePage method is: 10150% 10151% MagickBooleanType MagickSetImagePage(MagickWand *wand,const size_t width,% const size_t height,const ssize_t x,const ssize_t y) 10152% 10153% A description of each parameter follows: 10154% 10155% o wand: the magick wand. 10156% 10157% o width: the page width. 10158% 10159% o height: the page height. 10160% 10161% o x: the page x-offset. 10162% 10163% o y: the page y-offset. 10164% 10165*/ 10166WandExport MagickBooleanType MagickSetImagePage(MagickWand *wand, 10167 const size_t width,const size_t height,const ssize_t x, 10168 const ssize_t y) 10169{ 10170 assert(wand != (MagickWand *) NULL); 10171 assert(wand->signature == MagickWandSignature); 10172 if (IfMagickTrue(wand->debug)) 10173 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10174 if (wand->images == (Image *) NULL) 10175 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10176 wand->images->page.width=width; 10177 wand->images->page.height=height; 10178 wand->images->page.x=x; 10179 wand->images->page.y=y; 10180 return(MagickTrue); 10181} 10182 10183/* 10184%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10185% % 10186% % 10187% % 10188% 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 % 10189% % 10190% % 10191% % 10192%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10193% 10194% MagickSetImageProgressMonitor() sets the wand image progress monitor to the 10195% specified method and returns the previous progress monitor if any. The 10196% progress monitor method looks like this: 10197% 10198% MagickBooleanType MagickProgressMonitor(const char *text, 10199% const MagickOffsetType offset,const MagickSizeType span, 10200% void *client_data) 10201% 10202% If the progress monitor returns MagickFalse, the current operation is 10203% interrupted. 10204% 10205% The format of the MagickSetImageProgressMonitor method is: 10206% 10207% MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand 10208% const MagickProgressMonitor progress_monitor,void *client_data) 10209% 10210% A description of each parameter follows: 10211% 10212% o wand: the magick wand. 10213% 10214% o progress_monitor: Specifies a pointer to a method to monitor progress 10215% of an image operation. 10216% 10217% o client_data: Specifies a pointer to any client data. 10218% 10219*/ 10220WandExport MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand, 10221 const MagickProgressMonitor progress_monitor,void *client_data) 10222{ 10223 MagickProgressMonitor 10224 previous_monitor; 10225 10226 assert(wand != (MagickWand *) NULL); 10227 assert(wand->signature == MagickWandSignature); 10228 if (IfMagickTrue(wand->debug)) 10229 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10230 if (wand->images == (Image *) NULL) 10231 { 10232 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10233 "ContainsNoImages","`%s'",wand->name); 10234 return((MagickProgressMonitor) NULL); 10235 } 10236 previous_monitor=SetImageProgressMonitor(wand->images, 10237 progress_monitor,client_data); 10238 return(previous_monitor); 10239} 10240 10241/* 10242%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10243% % 10244% % 10245% % 10246% M a g i c k S e t I m a g e R e d P r i m a r y % 10247% % 10248% % 10249% % 10250%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10251% 10252% MagickSetImageRedPrimary() sets the image chromaticity red primary point. 10253% 10254% The format of the MagickSetImageRedPrimary method is: 10255% 10256% MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 10257% const double x,const double y) 10258% 10259% A description of each parameter follows: 10260% 10261% o wand: the magick wand. 10262% 10263% o x: the red primary x-point. 10264% 10265% o y: the red primary y-point. 10266% 10267*/ 10268WandExport MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 10269 const double x,const double y) 10270{ 10271 assert(wand != (MagickWand *) NULL); 10272 assert(wand->signature == MagickWandSignature); 10273 if (IfMagickTrue(wand->debug)) 10274 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10275 if (wand->images == (Image *) NULL) 10276 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10277 wand->images->chromaticity.red_primary.x=x; 10278 wand->images->chromaticity.red_primary.y=y; 10279 return(MagickTrue); 10280} 10281 10282/* 10283%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10284% % 10285% % 10286% % 10287% 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 % 10288% % 10289% % 10290% % 10291%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10292% 10293% MagickSetImageRenderingIntent() sets the image rendering intent. 10294% 10295% The format of the MagickSetImageRenderingIntent method is: 10296% 10297% MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 10298% const RenderingIntent rendering_intent) 10299% 10300% A description of each parameter follows: 10301% 10302% o wand: the magick wand. 10303% 10304% o rendering_intent: the image rendering intent: UndefinedIntent, 10305% SaturationIntent, PerceptualIntent, AbsoluteIntent, or RelativeIntent. 10306% 10307*/ 10308WandExport MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 10309 const RenderingIntent rendering_intent) 10310{ 10311 assert(wand != (MagickWand *) NULL); 10312 assert(wand->signature == MagickWandSignature); 10313 if (IfMagickTrue(wand->debug)) 10314 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10315 if (wand->images == (Image *) NULL) 10316 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10317 wand->images->rendering_intent=rendering_intent; 10318 return(MagickTrue); 10319} 10320 10321/* 10322%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10323% % 10324% % 10325% % 10326% M a g i c k S e t I m a g e R e s o l u t i o n % 10327% % 10328% % 10329% % 10330%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10331% 10332% MagickSetImageResolution() sets the image resolution. 10333% 10334% The format of the MagickSetImageResolution method is: 10335% 10336% MagickBooleanType MagickSetImageResolution(MagickWand *wand, 10337% const double x_resolution,const double y_resolution) 10338% 10339% A description of each parameter follows: 10340% 10341% o wand: the magick wand. 10342% 10343% o x_resolution: the image x resolution. 10344% 10345% o y_resolution: the image y resolution. 10346% 10347*/ 10348WandExport MagickBooleanType MagickSetImageResolution(MagickWand *wand, 10349 const double x_resolution,const double y_resolution) 10350{ 10351 assert(wand != (MagickWand *) NULL); 10352 assert(wand->signature == MagickWandSignature); 10353 if (IfMagickTrue(wand->debug)) 10354 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10355 if (wand->images == (Image *) NULL) 10356 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10357 wand->images->resolution.x=x_resolution; 10358 wand->images->resolution.y=y_resolution; 10359 return(MagickTrue); 10360} 10361 10362/* 10363%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10364% % 10365% % 10366% % 10367% M a g i c k S e t I m a g e S c e n e % 10368% % 10369% % 10370% % 10371%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10372% 10373% MagickSetImageScene() sets the image scene. 10374% 10375% The format of the MagickSetImageScene method is: 10376% 10377% MagickBooleanType MagickSetImageScene(MagickWand *wand, 10378% const size_t scene) 10379% 10380% A description of each parameter follows: 10381% 10382% o wand: the magick wand. 10383% 10384% o delay: the image scene number. 10385% 10386*/ 10387WandExport MagickBooleanType MagickSetImageScene(MagickWand *wand, 10388 const size_t scene) 10389{ 10390 assert(wand != (MagickWand *) NULL); 10391 assert(wand->signature == MagickWandSignature); 10392 if (IfMagickTrue(wand->debug)) 10393 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10394 if (wand->images == (Image *) NULL) 10395 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10396 wand->images->scene=scene; 10397 return(MagickTrue); 10398} 10399 10400/* 10401%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10402% % 10403% % 10404% % 10405% 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 % 10406% % 10407% % 10408% % 10409%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10410% 10411% MagickSetImageTicksPerSecond() sets the image ticks-per-second. 10412% 10413% The format of the MagickSetImageTicksPerSecond method is: 10414% 10415% MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 10416% const ssize_t ticks_per-second) 10417% 10418% A description of each parameter follows: 10419% 10420% o wand: the magick wand. 10421% 10422% o ticks_per_second: the units to use for the image delay. 10423% 10424*/ 10425WandExport MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 10426 const ssize_t ticks_per_second) 10427{ 10428 assert(wand != (MagickWand *) NULL); 10429 assert(wand->signature == MagickWandSignature); 10430 if (IfMagickTrue(wand->debug)) 10431 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10432 if (wand->images == (Image *) NULL) 10433 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10434 wand->images->ticks_per_second=ticks_per_second; 10435 return(MagickTrue); 10436} 10437 10438/* 10439%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10440% % 10441% % 10442% % 10443% M a g i c k S e t I m a g e T y p e % 10444% % 10445% % 10446% % 10447%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10448% 10449% MagickSetImageType() sets the image type. 10450% 10451% The format of the MagickSetImageType method is: 10452% 10453% MagickBooleanType MagickSetImageType(MagickWand *wand, 10454% const ImageType image_type) 10455% 10456% A description of each parameter follows: 10457% 10458% o wand: the magick wand. 10459% 10460% o image_type: the image type: UndefinedType, BilevelType, GrayscaleType, 10461% GrayscaleAlphaType, PaletteType, PaletteAlphaType, TrueColorType, 10462% TrueColorAlphaType, ColorSeparationType, ColorSeparationAlphaType, 10463% or OptimizeType. 10464% 10465*/ 10466WandExport MagickBooleanType MagickSetImageType(MagickWand *wand, 10467 const ImageType image_type) 10468{ 10469 assert(wand != (MagickWand *) NULL); 10470 assert(wand->signature == MagickWandSignature); 10471 if (IfMagickTrue(wand->debug)) 10472 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10473 if (wand->images == (Image *) NULL) 10474 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10475 return(SetImageType(wand->images,image_type,wand->exception)); 10476} 10477 10478/* 10479%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10480% % 10481% % 10482% % 10483% M a g i c k S e t I m a g e U n i t s % 10484% % 10485% % 10486% % 10487%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10488% 10489% MagickSetImageUnits() sets the image units of resolution. 10490% 10491% The format of the MagickSetImageUnits method is: 10492% 10493% MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10494% const ResolutionType units) 10495% 10496% A description of each parameter follows: 10497% 10498% o wand: the magick wand. 10499% 10500% o units: the image units of resolution : UndefinedResolution, 10501% PixelsPerInchResolution, or PixelsPerCentimeterResolution. 10502% 10503*/ 10504WandExport MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10505 const ResolutionType units) 10506{ 10507 assert(wand != (MagickWand *) NULL); 10508 assert(wand->signature == MagickWandSignature); 10509 if (IfMagickTrue(wand->debug)) 10510 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10511 if (wand->images == (Image *) NULL) 10512 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10513 wand->images->units=units; 10514 return(MagickTrue); 10515} 10516 10517/* 10518%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10519% % 10520% % 10521% % 10522% 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 % 10523% % 10524% % 10525% % 10526%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10527% 10528% MagickSetImageVirtualPixelMethod() sets the image virtual pixel method. 10529% 10530% The format of the MagickSetImageVirtualPixelMethod method is: 10531% 10532% VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10533% const VirtualPixelMethod method) 10534% 10535% A description of each parameter follows: 10536% 10537% o wand: the magick wand. 10538% 10539% o method: the image virtual pixel method : UndefinedVirtualPixelMethod, 10540% ConstantVirtualPixelMethod, EdgeVirtualPixelMethod, 10541% MirrorVirtualPixelMethod, or TileVirtualPixelMethod. 10542% 10543*/ 10544WandExport VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10545 const VirtualPixelMethod method) 10546{ 10547 assert(wand != (MagickWand *) NULL); 10548 assert(wand->signature == MagickWandSignature); 10549 if (IfMagickTrue(wand->debug)) 10550 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10551 if (wand->images == (Image *) NULL) 10552 return(UndefinedVirtualPixelMethod); 10553 return(SetImageVirtualPixelMethod(wand->images,method,wand->exception)); 10554} 10555 10556/* 10557%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10558% % 10559% % 10560% % 10561% M a g i c k S e t I m a g e W h i t e P o i n t % 10562% % 10563% % 10564% % 10565%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10566% 10567% MagickSetImageWhitePoint() sets the image chromaticity white point. 10568% 10569% The format of the MagickSetImageWhitePoint method is: 10570% 10571% MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10572% const double x,const double y) 10573% 10574% A description of each parameter follows: 10575% 10576% o wand: the magick wand. 10577% 10578% o x: the white x-point. 10579% 10580% o y: the white y-point. 10581% 10582*/ 10583WandExport MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10584 const double x,const double y) 10585{ 10586 assert(wand != (MagickWand *) NULL); 10587 assert(wand->signature == MagickWandSignature); 10588 if (IfMagickTrue(wand->debug)) 10589 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10590 if (wand->images == (Image *) NULL) 10591 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10592 wand->images->chromaticity.white_point.x=x; 10593 wand->images->chromaticity.white_point.y=y; 10594 return(MagickTrue); 10595} 10596 10597/* 10598%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10599% % 10600% % 10601% % 10602% M a g i c k S h a d e I m a g e C h a n n e l % 10603% % 10604% % 10605% % 10606%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10607% 10608% MagickShadeImage() shines a distant light on an image to create a 10609% three-dimensional effect. You control the positioning of the light with 10610% azimuth and elevation; azimuth is measured in degrees off the x axis 10611% and elevation is measured in pixels above the Z axis. 10612% 10613% The format of the MagickShadeImage method is: 10614% 10615% MagickBooleanType MagickShadeImage(MagickWand *wand, 10616% const MagickBooleanType gray,const double azimuth, 10617% const double elevation) 10618% 10619% A description of each parameter follows: 10620% 10621% o wand: the magick wand. 10622% 10623% o gray: A value other than zero shades the intensity of each pixel. 10624% 10625% o azimuth, elevation: Define the light source direction. 10626% 10627*/ 10628WandExport MagickBooleanType MagickShadeImage(MagickWand *wand, 10629 const MagickBooleanType gray,const double asimuth,const double elevation) 10630{ 10631 Image 10632 *shade_image; 10633 10634 assert(wand != (MagickWand *) NULL); 10635 assert(wand->signature == MagickWandSignature); 10636 if (IfMagickTrue(wand->debug)) 10637 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10638 if (wand->images == (Image *) NULL) 10639 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10640 shade_image=ShadeImage(wand->images,gray,asimuth,elevation,wand->exception); 10641 if (shade_image == (Image *) NULL) 10642 return(MagickFalse); 10643 ReplaceImageInList(&wand->images,shade_image); 10644 return(MagickTrue); 10645} 10646 10647/* 10648%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10649% % 10650% % 10651% % 10652% M a g i c k S h a d o w I m a g e % 10653% % 10654% % 10655% % 10656%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10657% 10658% MagickShadowImage() simulates an image shadow. 10659% 10660% The format of the MagickShadowImage method is: 10661% 10662% MagickBooleanType MagickShadowImage(MagickWand *wand,const double alpha, 10663% const double sigma,const ssize_t x,const ssize_t y) 10664% 10665% A description of each parameter follows: 10666% 10667% o wand: the magick wand. 10668% 10669% o alpha: percentage transparency. 10670% 10671% o sigma: the standard deviation of the Gaussian, in pixels. 10672% 10673% o x: the shadow x-offset. 10674% 10675% o y: the shadow y-offset. 10676% 10677*/ 10678WandExport MagickBooleanType MagickShadowImage(MagickWand *wand, 10679 const double alpha,const double sigma,const ssize_t x,const ssize_t y) 10680{ 10681 Image 10682 *shadow_image; 10683 10684 assert(wand != (MagickWand *) NULL); 10685 assert(wand->signature == MagickWandSignature); 10686 if (IfMagickTrue(wand->debug)) 10687 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10688 if (wand->images == (Image *) NULL) 10689 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10690 shadow_image=ShadowImage(wand->images,alpha,sigma,x,y,wand->exception); 10691 if (shadow_image == (Image *) NULL) 10692 return(MagickFalse); 10693 ReplaceImageInList(&wand->images,shadow_image); 10694 return(MagickTrue); 10695} 10696 10697/* 10698%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10699% % 10700% % 10701% % 10702% M a g i c k S h a r p e n I m a g e % 10703% % 10704% % 10705% % 10706%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10707% 10708% MagickSharpenImage() sharpens an image. We convolve the image with a 10709% Gaussian operator of the given radius and standard deviation (sigma). 10710% For reasonable results, the radius should be larger than sigma. Use a 10711% radius of 0 and MagickSharpenImage() selects a suitable radius for you. 10712% 10713% The format of the MagickSharpenImage method is: 10714% 10715% MagickBooleanType MagickSharpenImage(MagickWand *wand, 10716% const double radius,const double sigma) 10717% 10718% A description of each parameter follows: 10719% 10720% o wand: the magick wand. 10721% 10722% o radius: the radius of the Gaussian, in pixels, not counting the center 10723% pixel. 10724% 10725% o sigma: the standard deviation of the Gaussian, in pixels. 10726% 10727*/ 10728WandExport MagickBooleanType MagickSharpenImage(MagickWand *wand, 10729 const double radius,const double sigma) 10730{ 10731 Image 10732 *sharp_image; 10733 10734 assert(wand != (MagickWand *) NULL); 10735 assert(wand->signature == MagickWandSignature); 10736 if (IfMagickTrue(wand->debug)) 10737 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10738 if (wand->images == (Image *) NULL) 10739 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10740 sharp_image=SharpenImage(wand->images,radius,sigma,wand->exception); 10741 if (sharp_image == (Image *) NULL) 10742 return(MagickFalse); 10743 ReplaceImageInList(&wand->images,sharp_image); 10744 return(MagickTrue); 10745} 10746 10747/* 10748%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10749% % 10750% % 10751% % 10752% M a g i c k S h a v e I m a g e % 10753% % 10754% % 10755% % 10756%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10757% 10758% MagickShaveImage() shaves pixels from the image edges. It allocates the 10759% memory necessary for the new Image structure and returns a pointer to the 10760% new image. 10761% 10762% The format of the MagickShaveImage method is: 10763% 10764% MagickBooleanType MagickShaveImage(MagickWand *wand, 10765% const size_t columns,const size_t rows) 10766% 10767% A description of each parameter follows: 10768% 10769% o wand: the magick wand. 10770% 10771% o columns: the number of columns in the scaled image. 10772% 10773% o rows: the number of rows in the scaled image. 10774% 10775% 10776*/ 10777WandExport MagickBooleanType MagickShaveImage(MagickWand *wand, 10778 const size_t columns,const size_t rows) 10779{ 10780 Image 10781 *shave_image; 10782 10783 RectangleInfo 10784 shave_info; 10785 10786 assert(wand != (MagickWand *) NULL); 10787 assert(wand->signature == MagickWandSignature); 10788 if (IfMagickTrue(wand->debug)) 10789 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10790 if (wand->images == (Image *) NULL) 10791 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10792 shave_info.width=columns; 10793 shave_info.height=rows; 10794 shave_info.x=0; 10795 shave_info.y=0; 10796 shave_image=ShaveImage(wand->images,&shave_info,wand->exception); 10797 if (shave_image == (Image *) NULL) 10798 return(MagickFalse); 10799 ReplaceImageInList(&wand->images,shave_image); 10800 return(MagickTrue); 10801} 10802 10803/* 10804%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10805% % 10806% % 10807% % 10808% M a g i c k S h e a r I m a g e % 10809% % 10810% % 10811% % 10812%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10813% 10814% MagickShearImage() slides one edge of an image along the X or Y axis, 10815% creating a parallelogram. An X direction shear slides an edge along the X 10816% axis, while a Y direction shear slides an edge along the Y axis. The amount 10817% of the shear is controlled by a shear angle. For X direction shears, x_shear 10818% is measured relative to the Y axis, and similarly, for Y direction shears 10819% y_shear is measured relative to the X axis. Empty triangles left over from 10820% shearing the image are filled with the background color. 10821% 10822% The format of the MagickShearImage method is: 10823% 10824% MagickBooleanType MagickShearImage(MagickWand *wand, 10825% const PixelWand *background,const double x_shear,const double y_shear) 10826% 10827% A description of each parameter follows: 10828% 10829% o wand: the magick wand. 10830% 10831% o background: the background pixel wand. 10832% 10833% o x_shear: the number of degrees to shear the image. 10834% 10835% o y_shear: the number of degrees to shear the image. 10836% 10837*/ 10838WandExport MagickBooleanType MagickShearImage(MagickWand *wand, 10839 const PixelWand *background,const double x_shear,const double y_shear) 10840{ 10841 Image 10842 *shear_image; 10843 10844 assert(wand != (MagickWand *) NULL); 10845 assert(wand->signature == MagickWandSignature); 10846 if (IfMagickTrue(wand->debug)) 10847 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10848 if (wand->images == (Image *) NULL) 10849 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10850 PixelGetQuantumPacket(background,&wand->images->background_color); 10851 shear_image=ShearImage(wand->images,x_shear,y_shear,wand->exception); 10852 if (shear_image == (Image *) NULL) 10853 return(MagickFalse); 10854 ReplaceImageInList(&wand->images,shear_image); 10855 return(MagickTrue); 10856} 10857 10858/* 10859%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10860% % 10861% % 10862% % 10863% 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 % 10864% % 10865% % 10866% % 10867%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10868% 10869% MagickSigmoidalContrastImage() adjusts the contrast of an image with a 10870% non-linear sigmoidal contrast algorithm. Increase the contrast of the 10871% image using a sigmoidal transfer function without saturating highlights or 10872% shadows. Contrast indicates how much to increase the contrast (0 is none; 10873% 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in 10874% the resultant image (0 is white; 50% is middle-gray; 100% is black). Set 10875% sharpen to MagickTrue to increase the image contrast otherwise the contrast 10876% is reduced. 10877% 10878% The format of the MagickSigmoidalContrastImage method is: 10879% 10880% MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, 10881% const MagickBooleanType sharpen,const double alpha,const double beta) 10882% 10883% A description of each parameter follows: 10884% 10885% o wand: the magick wand. 10886% 10887% o sharpen: Increase or decrease image contrast. 10888% 10889% o alpha: strength of the contrast, the larger the number the more 10890% 'threshold-like' it becomes. 10891% 10892% o beta: midpoint of the function as a color value 0 to QuantumRange. 10893% 10894*/ 10895WandExport MagickBooleanType MagickSigmoidalContrastImage( 10896 MagickWand *wand,const MagickBooleanType sharpen,const double alpha, 10897 const double beta) 10898{ 10899 MagickBooleanType 10900 status; 10901 10902 assert(wand != (MagickWand *) NULL); 10903 assert(wand->signature == MagickWandSignature); 10904 if (IfMagickTrue(wand->debug)) 10905 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10906 if (wand->images == (Image *) NULL) 10907 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10908 status=SigmoidalContrastImage(wand->images,sharpen,alpha,beta, 10909 wand->exception); 10910 return(status); 10911} 10912 10913/* 10914%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10915% % 10916% % 10917% % 10918% M a g i c k S i m i l a r i t y I m a g e % 10919% % 10920% % 10921% % 10922%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10923% 10924% MagickSimilarityImage() compares the reference image of the image and 10925% returns the best match offset. In addition, it returns a similarity image 10926% such that an exact match location is completely white and if none of the 10927% pixels match, black, otherwise some gray level in-between. 10928% 10929% The format of the MagickSimilarityImage method is: 10930% 10931% MagickWand *MagickSimilarityImage(MagickWand *wand, 10932% const MagickWand *reference,const MetricType metric, 10933% const double similarity_threshold,RectangeInfo *offset, 10934% double *similarity) 10935% 10936% A description of each parameter follows: 10937% 10938% o wand: the magick wand. 10939% 10940% o reference: the reference wand. 10941% 10942% o metric: the metric. 10943% 10944% o similarity_threshold: minimum distortion for (sub)image match. 10945% 10946% o offset: the best match offset of the reference image within the image. 10947% 10948% o similarity: the computed similarity between the images. 10949% 10950*/ 10951WandExport MagickWand *MagickSimilarityImage(MagickWand *wand, 10952 const MagickWand *reference,const MetricType metric, 10953 const double similarity_threshold,RectangleInfo *offset,double *similarity) 10954{ 10955 Image 10956 *similarity_image; 10957 10958 assert(wand != (MagickWand *) NULL); 10959 assert(wand->signature == MagickWandSignature); 10960 if (IfMagickTrue(wand->debug)) 10961 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10962 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 10963 { 10964 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10965 "ContainsNoImages","`%s'",wand->name); 10966 return((MagickWand *) NULL); 10967 } 10968 similarity_image=SimilarityImage(wand->images,reference->images,metric, 10969 similarity_threshold,offset,similarity,wand->exception); 10970 if (similarity_image == (Image *) NULL) 10971 return((MagickWand *) NULL); 10972 return(CloneMagickWandFromImages(wand,similarity_image)); 10973} 10974 10975/* 10976%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10977% % 10978% % 10979% % 10980% M a g i c k S k e t c h I m a g e % 10981% % 10982% % 10983% % 10984%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10985% 10986% MagickSketchImage() simulates a pencil sketch. We convolve the image with 10987% a Gaussian operator of the given radius and standard deviation (sigma). 10988% For reasonable results, radius should be larger than sigma. Use a 10989% radius of 0 and SketchImage() selects a suitable radius for you. 10990% Angle gives the angle of the blurring motion. 10991% 10992% The format of the MagickSketchImage method is: 10993% 10994% MagickBooleanType MagickSketchImage(MagickWand *wand, 10995% const double radius,const double sigma,const double angle) 10996% 10997% A description of each parameter follows: 10998% 10999% o wand: the magick wand. 11000% 11001% o radius: the radius of the Gaussian, in pixels, not counting 11002% the center pixel. 11003% 11004% o sigma: the standard deviation of the Gaussian, in pixels. 11005% 11006% o angle: apply the effect along this angle. 11007% 11008*/ 11009WandExport MagickBooleanType MagickSketchImage(MagickWand *wand, 11010 const double radius,const double sigma,const double angle) 11011{ 11012 Image 11013 *sketch_image; 11014 11015 assert(wand != (MagickWand *) NULL); 11016 assert(wand->signature == MagickWandSignature); 11017 if (IfMagickTrue(wand->debug)) 11018 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11019 if (wand->images == (Image *) NULL) 11020 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11021 sketch_image=SketchImage(wand->images,radius,sigma,angle,wand->exception); 11022 if (sketch_image == (Image *) NULL) 11023 return(MagickFalse); 11024 ReplaceImageInList(&wand->images,sketch_image); 11025 return(MagickTrue); 11026} 11027 11028/* 11029%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11030% % 11031% % 11032% % 11033% M a g i c k S m u s h I m a g e s % 11034% % 11035% % 11036% % 11037%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11038% 11039% MagickSmushImages() takes all images from the current image pointer to the 11040% end of the image list and smushs them to each other top-to-bottom if the 11041% stack parameter is true, otherwise left-to-right. 11042% 11043% The format of the MagickSmushImages method is: 11044% 11045% MagickWand *MagickSmushImages(MagickWand *wand, 11046% const MagickBooleanType stack,const ssize_t offset) 11047% 11048% A description of each parameter follows: 11049% 11050% o wand: the magick wand. 11051% 11052% o stack: By default, images are stacked left-to-right. Set stack to 11053% MagickTrue to stack them top-to-bottom. 11054% 11055% o offset: minimum distance in pixels between images. 11056% 11057*/ 11058WandExport MagickWand *MagickSmushImages(MagickWand *wand, 11059 const MagickBooleanType stack,const ssize_t offset) 11060{ 11061 Image 11062 *smush_image; 11063 11064 assert(wand != (MagickWand *) NULL); 11065 assert(wand->signature == MagickWandSignature); 11066 if (IfMagickTrue(wand->debug)) 11067 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11068 if (wand->images == (Image *) NULL) 11069 return((MagickWand *) NULL); 11070 smush_image=SmushImages(wand->images,stack,offset,wand->exception); 11071 if (smush_image == (Image *) NULL) 11072 return((MagickWand *) NULL); 11073 return(CloneMagickWandFromImages(wand,smush_image)); 11074} 11075 11076/* 11077%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11078% % 11079% % 11080% % 11081% M a g i c k S o l a r i z e I m a g e % 11082% % 11083% % 11084% % 11085%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11086% 11087% MagickSolarizeImage() applies a special effect to the image, similar to the 11088% effect achieved in a photo darkroom by selectively exposing areas of photo 11089% sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a 11090% measure of the extent of the solarization. 11091% 11092% The format of the MagickSolarizeImage method is: 11093% 11094% MagickBooleanType MagickSolarizeImage(MagickWand *wand, 11095% const double threshold) 11096% 11097% A description of each parameter follows: 11098% 11099% o wand: the magick wand. 11100% 11101% o threshold: Define the extent of the solarization. 11102% 11103*/ 11104WandExport MagickBooleanType MagickSolarizeImage(MagickWand *wand, 11105 const double threshold) 11106{ 11107 MagickBooleanType 11108 status; 11109 11110 assert(wand != (MagickWand *) NULL); 11111 assert(wand->signature == MagickWandSignature); 11112 if (IfMagickTrue(wand->debug)) 11113 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11114 if (wand->images == (Image *) NULL) 11115 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11116 status=SolarizeImage(wand->images,threshold,wand->exception); 11117 return(status); 11118} 11119 11120/* 11121%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11122% % 11123% % 11124% % 11125% M a g i c k S p a r s e C o l o r I m a g e % 11126% % 11127% % 11128% % 11129%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11130% 11131% MagickSparseColorImage(), given a set of coordinates, interpolates the 11132% colors found at those coordinates, across the whole image, using various 11133% methods. 11134% 11135% The format of the MagickSparseColorImage method is: 11136% 11137% MagickBooleanType MagickSparseColorImage(MagickWand *wand, 11138% const SparseColorMethod method,const size_t number_arguments, 11139% const double *arguments) 11140% 11141% A description of each parameter follows: 11142% 11143% o image: the image to be sparseed. 11144% 11145% o method: the method of image sparseion. 11146% 11147% ArcSparseColorion will always ignore source image offset, and always 11148% 'bestfit' the destination image with the top left corner offset 11149% relative to the polar mapping center. 11150% 11151% Bilinear has no simple inverse mapping so will not allow 'bestfit' 11152% style of image sparseion. 11153% 11154% Affine, Perspective, and Bilinear, will do least squares fitting of 11155% the distrotion when more than the minimum number of control point 11156% pairs are provided. 11157% 11158% Perspective, and Bilinear, will fall back to a Affine sparseion when 11159% less than 4 control point pairs are provided. While Affine sparseions 11160% will let you use any number of control point pairs, that is Zero pairs 11161% is a No-Op (viewport only) distrotion, one pair is a translation and 11162% two pairs of control points will do a scale-rotate-translate, without 11163% any shearing. 11164% 11165% o number_arguments: the number of arguments given for this sparseion 11166% method. 11167% 11168% o arguments: the arguments for this sparseion method. 11169% 11170*/ 11171WandExport MagickBooleanType MagickSparseColorImage(MagickWand *wand, 11172 const SparseColorMethod method,const size_t number_arguments, 11173 const double *arguments) 11174{ 11175 Image 11176 *sparse_image; 11177 11178 assert(wand != (MagickWand *) NULL); 11179 assert(wand->signature == MagickWandSignature); 11180 if (IfMagickTrue(wand->debug)) 11181 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11182 if (wand->images == (Image *) NULL) 11183 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11184 sparse_image=SparseColorImage(wand->images,method,number_arguments,arguments, 11185 wand->exception); 11186 if (sparse_image == (Image *) NULL) 11187 return(MagickFalse); 11188 ReplaceImageInList(&wand->images,sparse_image); 11189 return(MagickTrue); 11190} 11191 11192/* 11193%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11194% % 11195% % 11196% % 11197% M a g i c k S p l i c e I m a g e % 11198% % 11199% % 11200% % 11201%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11202% 11203% MagickSpliceImage() splices a solid color into the image. 11204% 11205% The format of the MagickSpliceImage method is: 11206% 11207% MagickBooleanType MagickSpliceImage(MagickWand *wand, 11208% const size_t width,const size_t height,const ssize_t x, 11209% const ssize_t y) 11210% 11211% A description of each parameter follows: 11212% 11213% o wand: the magick wand. 11214% 11215% o width: the region width. 11216% 11217% o height: the region height. 11218% 11219% o x: the region x offset. 11220% 11221% o y: the region y offset. 11222% 11223*/ 11224WandExport MagickBooleanType MagickSpliceImage(MagickWand *wand, 11225 const size_t width,const size_t height,const ssize_t x, 11226 const ssize_t y) 11227{ 11228 Image 11229 *splice_image; 11230 11231 RectangleInfo 11232 splice; 11233 11234 assert(wand != (MagickWand *) NULL); 11235 assert(wand->signature == MagickWandSignature); 11236 if (IfMagickTrue(wand->debug)) 11237 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11238 if (wand->images == (Image *) NULL) 11239 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11240 splice.width=width; 11241 splice.height=height; 11242 splice.x=x; 11243 splice.y=y; 11244 splice_image=SpliceImage(wand->images,&splice,wand->exception); 11245 if (splice_image == (Image *) NULL) 11246 return(MagickFalse); 11247 ReplaceImageInList(&wand->images,splice_image); 11248 return(MagickTrue); 11249} 11250 11251/* 11252%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11253% % 11254% % 11255% % 11256% M a g i c k S p r e a d I m a g e % 11257% % 11258% % 11259% % 11260%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11261% 11262% MagickSpreadImage() is a special effects method that randomly displaces each 11263% pixel in a block defined by the radius parameter. 11264% 11265% The format of the MagickSpreadImage method is: 11266% 11267% MagickBooleanType MagickSpreadImage(MagickWand *wand, 11268% const PixelInterpolateMethod method,const double radius) 11269% 11270% A description of each parameter follows: 11271% 11272% o wand: the magick wand. 11273% 11274% o method: intepolation method. 11275% 11276% o radius: Choose a random pixel in a neighborhood of this extent. 11277% 11278*/ 11279WandExport MagickBooleanType MagickSpreadImage(MagickWand *wand, 11280 const PixelInterpolateMethod method,const double radius) 11281{ 11282 Image 11283 *spread_image; 11284 11285 assert(wand != (MagickWand *) NULL); 11286 assert(wand->signature == MagickWandSignature); 11287 if (IfMagickTrue(wand->debug)) 11288 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11289 if (wand->images == (Image *) NULL) 11290 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11291 spread_image=SpreadImage(wand->images,method,radius,wand->exception); 11292 if (spread_image == (Image *) NULL) 11293 return(MagickFalse); 11294 ReplaceImageInList(&wand->images,spread_image); 11295 return(MagickTrue); 11296} 11297 11298/* 11299%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11300% % 11301% % 11302% % 11303% M a g i c k S t a t i s t i c I m a g e % 11304% % 11305% % 11306% % 11307%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11308% 11309% MagickStatisticImage() replace each pixel with corresponding statistic from 11310% the neighborhood of the specified width and height. 11311% 11312% The format of the MagickStatisticImage method is: 11313% 11314% MagickBooleanType MagickStatisticImage(MagickWand *wand, 11315% const StatisticType type,const double width,const size_t height) 11316% 11317% A description of each parameter follows: 11318% 11319% o wand: the magick wand. 11320% 11321% o type: the statistic type (e.g. median, mode, etc.). 11322% 11323% o width: the width of the pixel neighborhood. 11324% 11325% o height: the height of the pixel neighborhood. 11326% 11327*/ 11328WandExport MagickBooleanType MagickStatisticImage(MagickWand *wand, 11329 const StatisticType type,const size_t width,const size_t height) 11330{ 11331 Image 11332 *statistic_image; 11333 11334 assert(wand != (MagickWand *) NULL); 11335 assert(wand->signature == MagickWandSignature); 11336 if (IfMagickTrue(wand->debug)) 11337 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11338 if (wand->images == (Image *) NULL) 11339 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11340 statistic_image=StatisticImage(wand->images,type,width,height, 11341 wand->exception); 11342 if (statistic_image == (Image *) NULL) 11343 return(MagickFalse); 11344 ReplaceImageInList(&wand->images,statistic_image); 11345 return(MagickTrue); 11346} 11347 11348/* 11349%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11350% % 11351% % 11352% % 11353% M a g i c k S t e g a n o I m a g e % 11354% % 11355% % 11356% % 11357%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11358% 11359% MagickSteganoImage() hides a digital watermark within the image. 11360% Recover the hidden watermark later to prove that the authenticity of 11361% an image. Offset defines the start position within the image to hide 11362% the watermark. 11363% 11364% The format of the MagickSteganoImage method is: 11365% 11366% MagickWand *MagickSteganoImage(MagickWand *wand, 11367% const MagickWand *watermark_wand,const ssize_t offset) 11368% 11369% A description of each parameter follows: 11370% 11371% o wand: the magick wand. 11372% 11373% o watermark_wand: the watermark wand. 11374% 11375% o offset: Start hiding at this offset into the image. 11376% 11377*/ 11378WandExport MagickWand *MagickSteganoImage(MagickWand *wand, 11379 const MagickWand *watermark_wand,const ssize_t offset) 11380{ 11381 Image 11382 *stegano_image; 11383 11384 assert(wand != (MagickWand *) NULL); 11385 assert(wand->signature == MagickWandSignature); 11386 if (IfMagickTrue(wand->debug)) 11387 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11388 if ((wand->images == (Image *) NULL) || 11389 (watermark_wand->images == (Image *) NULL)) 11390 { 11391 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11392 "ContainsNoImages","`%s'",wand->name); 11393 return((MagickWand *) NULL); 11394 } 11395 wand->images->offset=offset; 11396 stegano_image=SteganoImage(wand->images,watermark_wand->images, 11397 wand->exception); 11398 if (stegano_image == (Image *) NULL) 11399 return((MagickWand *) NULL); 11400 return(CloneMagickWandFromImages(wand,stegano_image)); 11401} 11402 11403/* 11404%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11405% % 11406% % 11407% % 11408% M a g i c k S t e r e o I m a g e % 11409% % 11410% % 11411% % 11412%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11413% 11414% MagickStereoImage() composites two images and produces a single image that 11415% is the composite of a left and right image of a stereo pair 11416% 11417% The format of the MagickStereoImage method is: 11418% 11419% MagickWand *MagickStereoImage(MagickWand *wand, 11420% const MagickWand *offset_wand) 11421% 11422% A description of each parameter follows: 11423% 11424% o wand: the magick wand. 11425% 11426% o offset_wand: Another image wand. 11427% 11428*/ 11429WandExport MagickWand *MagickStereoImage(MagickWand *wand, 11430 const MagickWand *offset_wand) 11431{ 11432 Image 11433 *stereo_image; 11434 11435 assert(wand != (MagickWand *) NULL); 11436 assert(wand->signature == MagickWandSignature); 11437 if (IfMagickTrue(wand->debug)) 11438 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11439 if ((wand->images == (Image *) NULL) || 11440 (offset_wand->images == (Image *) NULL)) 11441 { 11442 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11443 "ContainsNoImages","`%s'",wand->name); 11444 return((MagickWand *) NULL); 11445 } 11446 stereo_image=StereoImage(wand->images,offset_wand->images,wand->exception); 11447 if (stereo_image == (Image *) NULL) 11448 return((MagickWand *) NULL); 11449 return(CloneMagickWandFromImages(wand,stereo_image)); 11450} 11451 11452/* 11453%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11454% % 11455% % 11456% % 11457% M a g i c k S t r i p I m a g e % 11458% % 11459% % 11460% % 11461%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11462% 11463% MagickStripImage() strips an image of all profiles and comments. 11464% 11465% The format of the MagickStripImage method is: 11466% 11467% MagickBooleanType MagickStripImage(MagickWand *wand) 11468% 11469% A description of each parameter follows: 11470% 11471% o wand: the magick wand. 11472% 11473*/ 11474WandExport MagickBooleanType MagickStripImage(MagickWand *wand) 11475{ 11476 assert(wand != (MagickWand *) NULL); 11477 assert(wand->signature == MagickWandSignature); 11478 if (IfMagickTrue(wand->debug)) 11479 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11480 if (wand->images == (Image *) NULL) 11481 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11482 return(StripImage(wand->images,wand->exception)); 11483} 11484 11485/* 11486%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11487% % 11488% % 11489% % 11490% M a g i c k S w i r l I m a g e % 11491% % 11492% % 11493% % 11494%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11495% 11496% MagickSwirlImage() swirls the pixels about the center of the image, where 11497% degrees indicates the sweep of the arc through which each pixel is moved. 11498% You get a more dramatic effect as the degrees move from 1 to 360. 11499% 11500% The format of the MagickSwirlImage method is: 11501% 11502% MagickBooleanType MagickSwirlImage(MagickWand *wand,const double degrees, 11503% const PixelInterpolateMethod method) 11504% 11505% A description of each parameter follows: 11506% 11507% o wand: the magick wand. 11508% 11509% o degrees: Define the tightness of the swirling effect. 11510% 11511% o method: the pixel interpolation method. 11512% 11513*/ 11514WandExport MagickBooleanType MagickSwirlImage(MagickWand *wand, 11515 const double degrees,const PixelInterpolateMethod method) 11516{ 11517 Image 11518 *swirl_image; 11519 11520 assert(wand != (MagickWand *) NULL); 11521 assert(wand->signature == MagickWandSignature); 11522 if (IfMagickTrue(wand->debug)) 11523 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11524 if (wand->images == (Image *) NULL) 11525 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11526 swirl_image=SwirlImage(wand->images,degrees,method,wand->exception); 11527 if (swirl_image == (Image *) NULL) 11528 return(MagickFalse); 11529 ReplaceImageInList(&wand->images,swirl_image); 11530 return(MagickTrue); 11531} 11532 11533/* 11534%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11535% % 11536% % 11537% % 11538% M a g i c k T e x t u r e I m a g e % 11539% % 11540% % 11541% % 11542%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11543% 11544% MagickTextureImage() repeatedly tiles the texture image across and down the 11545% image canvas. 11546% 11547% The format of the MagickTextureImage method is: 11548% 11549% MagickWand *MagickTextureImage(MagickWand *wand, 11550% const MagickWand *texture_wand) 11551% 11552% A description of each parameter follows: 11553% 11554% o wand: the magick wand. 11555% 11556% o texture_wand: the texture wand 11557% 11558*/ 11559WandExport MagickWand *MagickTextureImage(MagickWand *wand, 11560 const MagickWand *texture_wand) 11561{ 11562 Image 11563 *texture_image; 11564 11565 MagickBooleanType 11566 status; 11567 11568 assert(wand != (MagickWand *) NULL); 11569 assert(wand->signature == MagickWandSignature); 11570 if (IfMagickTrue(wand->debug)) 11571 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11572 if ((wand->images == (Image *) NULL) || 11573 (texture_wand->images == (Image *) NULL)) 11574 { 11575 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11576 "ContainsNoImages","`%s'",wand->name); 11577 return((MagickWand *) NULL); 11578 } 11579 texture_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11580 if (texture_image == (Image *) NULL) 11581 return((MagickWand *) NULL); 11582 status=TextureImage(texture_image,texture_wand->images,wand->exception); 11583 if (IfMagickFalse(status)) 11584 { 11585 texture_image=DestroyImage(texture_image); 11586 return((MagickWand *) NULL); 11587 } 11588 return(CloneMagickWandFromImages(wand,texture_image)); 11589} 11590 11591/* 11592%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11593% % 11594% % 11595% % 11596% M a g i c k T h r e s h o l d I m a g e % 11597% % 11598% % 11599% % 11600%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11601% 11602% MagickThresholdImage() changes the value of individual pixels based on 11603% the intensity of each pixel compared to threshold. The result is a 11604% high-contrast, two color image. 11605% 11606% The format of the MagickThresholdImage method is: 11607% 11608% MagickBooleanType MagickThresholdImage(MagickWand *wand, 11609% const double threshold) 11610% MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11611% const ChannelType channel,const double threshold) 11612% 11613% A description of each parameter follows: 11614% 11615% o wand: the magick wand. 11616% 11617% o channel: the image channel(s). 11618% 11619% o threshold: Define the threshold value. 11620% 11621*/ 11622WandExport MagickBooleanType MagickThresholdImage(MagickWand *wand, 11623 const double threshold) 11624{ 11625 MagickBooleanType 11626 status; 11627 11628 status=MagickThresholdImageChannel(wand,DefaultChannels,threshold); 11629 return(status); 11630} 11631 11632WandExport MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11633 const ChannelType channel,const double threshold) 11634{ 11635 MagickBooleanType 11636 status; 11637 11638 assert(wand != (MagickWand *) NULL); 11639 assert(wand->signature == MagickWandSignature); 11640 if (IfMagickTrue(wand->debug)) 11641 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11642 if (wand->images == (Image *) NULL) 11643 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11644 status=BilevelImage(wand->images,threshold,wand->exception); 11645 return(status); 11646} 11647 11648/* 11649%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11650% % 11651% % 11652% % 11653% M a g i c k T h u m b n a i l I m a g e % 11654% % 11655% % 11656% % 11657%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11658% 11659% MagickThumbnailImage() changes the size of an image to the given dimensions 11660% and removes any associated profiles. The goal is to produce small low cost 11661% thumbnail images suited for display on the Web. 11662% 11663% The format of the MagickThumbnailImage method is: 11664% 11665% MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11666% const size_t columns,const size_t rows) 11667% 11668% A description of each parameter follows: 11669% 11670% o wand: the magick wand. 11671% 11672% o columns: the number of columns in the scaled image. 11673% 11674% o rows: the number of rows in the scaled image. 11675% 11676*/ 11677WandExport MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11678 const size_t columns,const size_t rows) 11679{ 11680 Image 11681 *thumbnail_image; 11682 11683 assert(wand != (MagickWand *) NULL); 11684 assert(wand->signature == MagickWandSignature); 11685 if (IfMagickTrue(wand->debug)) 11686 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11687 if (wand->images == (Image *) NULL) 11688 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11689 thumbnail_image=ThumbnailImage(wand->images,columns,rows,wand->exception); 11690 if (thumbnail_image == (Image *) NULL) 11691 return(MagickFalse); 11692 ReplaceImageInList(&wand->images,thumbnail_image); 11693 return(MagickTrue); 11694} 11695 11696/* 11697%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11698% % 11699% % 11700% % 11701% M a g i c k T i n t I m a g e % 11702% % 11703% % 11704% % 11705%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11706% 11707% MagickTintImage() applies a color vector to each pixel in the image. The 11708% length of the vector is 0 for black and white and at its maximum for the 11709% midtones. The vector weighting function is 11710% f(x)=(1-(4.0*((x-0.5)*(x-0.5)))). 11711% 11712% The format of the MagickTintImage method is: 11713% 11714% MagickBooleanType MagickTintImage(MagickWand *wand, 11715% const PixelWand *tint,const PixelWand *blend) 11716% 11717% A description of each parameter follows: 11718% 11719% o wand: the magick wand. 11720% 11721% o tint: the tint pixel wand. 11722% 11723% o alpha: the alpha pixel wand. 11724% 11725*/ 11726WandExport MagickBooleanType MagickTintImage(MagickWand *wand, 11727 const PixelWand *tint,const PixelWand *blend) 11728{ 11729 char 11730 percent_blend[MagickPathExtent]; 11731 11732 Image 11733 *tint_image; 11734 11735 PixelInfo 11736 target; 11737 11738 assert(wand != (MagickWand *) NULL); 11739 assert(wand->signature == MagickWandSignature); 11740 if (IfMagickTrue(wand->debug)) 11741 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11742 if (wand->images == (Image *) NULL) 11743 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11744 if (wand->images->colorspace != CMYKColorspace) 11745 (void) FormatLocaleString(percent_blend,MagickPathExtent, 11746 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 11747 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 11748 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 11749 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 11750 PixelGetAlphaQuantum(blend))); 11751 else 11752 (void) FormatLocaleString(percent_blend,MagickPathExtent, 11753 "%g,%g,%g,%g,%g",(double) (100.0*QuantumScale* 11754 PixelGetCyanQuantum(blend)),(double) (100.0*QuantumScale* 11755 PixelGetMagentaQuantum(blend)),(double) (100.0*QuantumScale* 11756 PixelGetYellowQuantum(blend)),(double) (100.0*QuantumScale* 11757 PixelGetBlackQuantum(blend)),(double) (100.0*QuantumScale* 11758 PixelGetAlphaQuantum(blend))); 11759 target=PixelGetPixel(tint); 11760 tint_image=TintImage(wand->images,percent_blend,&target,wand->exception); 11761 if (tint_image == (Image *) NULL) 11762 return(MagickFalse); 11763 ReplaceImageInList(&wand->images,tint_image); 11764 return(MagickTrue); 11765} 11766 11767/* 11768%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11769% % 11770% % 11771% % 11772% M a g i c k T r a n s f o r m I m a g e % 11773% % 11774% % 11775% % 11776%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11777% 11778% MagickTransformImage() is a convenience method that behaves like 11779% MagickResizeImage() or MagickCropImage() but accepts scaling and/or cropping 11780% information as a region geometry specification. If the operation fails, 11781% a NULL image handle is returned. 11782% 11783% The format of the MagickTransformImage method is: 11784% 11785% MagickWand *MagickTransformImage(MagickWand *wand,const char *crop, 11786% const char *geometry) 11787% 11788% A description of each parameter follows: 11789% 11790% o wand: the magick wand. 11791% 11792% o crop: A crop geometry string. This geometry defines a subregion of the 11793% image to crop. 11794% 11795% o geometry: An image geometry string. This geometry defines the final 11796% size of the image. 11797% 11798*/ 11799WandExport MagickWand *MagickTransformImage(MagickWand *wand, 11800 const char *crop,const char *geometry) 11801{ 11802 Image 11803 *transform_image; 11804 11805 MagickBooleanType 11806 status; 11807 11808 assert(wand != (MagickWand *) NULL); 11809 assert(wand->signature == MagickWandSignature); 11810 if (IfMagickTrue(wand->debug)) 11811 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11812 if (wand->images == (Image *) NULL) 11813 return((MagickWand *) NULL); 11814 transform_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11815 if (transform_image == (Image *) NULL) 11816 return((MagickWand *) NULL); 11817 status=TransformImage(&transform_image,crop,geometry,wand->exception); 11818 if (IfMagickFalse(status)) 11819 { 11820 transform_image=DestroyImage(transform_image); 11821 return((MagickWand *) NULL); 11822 } 11823 return(CloneMagickWandFromImages(wand,transform_image)); 11824} 11825 11826/* 11827%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11828% % 11829% % 11830% % 11831% 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 % 11832% % 11833% % 11834% % 11835%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11836% 11837% MagickTransformImageColorspace() transform the image colorspace, setting 11838% the images colorspace while transforming the images data to that 11839% colorspace. 11840% 11841% The format of the MagickTransformImageColorspace method is: 11842% 11843% MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11844% const ColorspaceType colorspace) 11845% 11846% A description of each parameter follows: 11847% 11848% o wand: the magick wand. 11849% 11850% o colorspace: the image colorspace: UndefinedColorspace, 11851% sRGBColorspace, RGBColorspace, GRAYColorspace, 11852% OHTAColorspace, XYZColorspace, YCbCrColorspace, 11853% YCCColorspace, YIQColorspace, YPbPrColorspace, 11854% YPbPrColorspace, YUVColorspace, CMYKColorspace, 11855% HSLColorspace, HWBColorspace. 11856% 11857*/ 11858WandExport MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11859 const ColorspaceType colorspace) 11860{ 11861 assert(wand != (MagickWand *) NULL); 11862 assert(wand->signature == MagickWandSignature); 11863 if (IfMagickTrue(wand->debug)) 11864 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11865 if (wand->images == (Image *) NULL) 11866 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11867 return(TransformImageColorspace(wand->images,colorspace,wand->exception)); 11868} 11869 11870/* 11871%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11872% % 11873% % 11874% % 11875% 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 % 11876% % 11877% % 11878% % 11879%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11880% 11881% MagickTransparentPaintImage() changes any pixel that matches color with the 11882% color defined by fill. 11883% 11884% The format of the MagickTransparentPaintImage method is: 11885% 11886% MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11887% const PixelWand *target,const double alpha,const double fuzz, 11888% const MagickBooleanType invert) 11889% 11890% A description of each parameter follows: 11891% 11892% o wand: the magick wand. 11893% 11894% o target: Change this target color to specified alpha value within 11895% the image. 11896% 11897% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 11898% transparent. 11899% 11900% o fuzz: By default target must match a particular pixel color 11901% exactly. However, in many cases two colors may differ by a small amount. 11902% The fuzz member of image defines how much tolerance is acceptable to 11903% consider two colors as the same. For example, set fuzz to 10 and the 11904% color red at intensities of 100 and 102 respectively are now interpreted 11905% as the same color for the purposes of the floodfill. 11906% 11907% o invert: paint any pixel that does not match the target color. 11908% 11909*/ 11910WandExport MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11911 const PixelWand *target,const double alpha,const double fuzz, 11912 const MagickBooleanType invert) 11913{ 11914 MagickBooleanType 11915 status; 11916 11917 PixelInfo 11918 target_pixel; 11919 11920 assert(wand != (MagickWand *) NULL); 11921 assert(wand->signature == MagickWandSignature); 11922 if (IfMagickTrue(wand->debug)) 11923 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11924 if (wand->images == (Image *) NULL) 11925 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11926 PixelGetMagickColor(target,&target_pixel); 11927 wand->images->fuzz=fuzz; 11928 status=TransparentPaintImage(wand->images,&target_pixel,ClampToQuantum( 11929 QuantumRange*alpha),invert,wand->exception); 11930 return(status); 11931} 11932 11933/* 11934%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11935% % 11936% % 11937% % 11938% M a g i c k T r a n s p o s e I m a g e % 11939% % 11940% % 11941% % 11942%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11943% 11944% MagickTransposeImage() creates a vertical mirror image by reflecting the 11945% pixels around the central x-axis while rotating them 90-degrees. 11946% 11947% The format of the MagickTransposeImage method is: 11948% 11949% MagickBooleanType MagickTransposeImage(MagickWand *wand) 11950% 11951% A description of each parameter follows: 11952% 11953% o wand: the magick wand. 11954% 11955*/ 11956WandExport MagickBooleanType MagickTransposeImage(MagickWand *wand) 11957{ 11958 Image 11959 *transpose_image; 11960 11961 assert(wand != (MagickWand *) NULL); 11962 assert(wand->signature == MagickWandSignature); 11963 if (IfMagickTrue(wand->debug)) 11964 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11965 if (wand->images == (Image *) NULL) 11966 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11967 transpose_image=TransposeImage(wand->images,wand->exception); 11968 if (transpose_image == (Image *) NULL) 11969 return(MagickFalse); 11970 ReplaceImageInList(&wand->images,transpose_image); 11971 return(MagickTrue); 11972} 11973 11974/* 11975%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11976% % 11977% % 11978% % 11979% M a g i c k T r a n s v e r s e I m a g e % 11980% % 11981% % 11982% % 11983%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11984% 11985% MagickTransverseImage() creates a horizontal mirror image by reflecting the 11986% pixels around the central y-axis while rotating them 270-degrees. 11987% 11988% The format of the MagickTransverseImage method is: 11989% 11990% MagickBooleanType MagickTransverseImage(MagickWand *wand) 11991% 11992% A description of each parameter follows: 11993% 11994% o wand: the magick wand. 11995% 11996*/ 11997WandExport MagickBooleanType MagickTransverseImage(MagickWand *wand) 11998{ 11999 Image 12000 *transverse_image; 12001 12002 assert(wand != (MagickWand *) NULL); 12003 assert(wand->signature == MagickWandSignature); 12004 if (IfMagickTrue(wand->debug)) 12005 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12006 if (wand->images == (Image *) NULL) 12007 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12008 transverse_image=TransverseImage(wand->images,wand->exception); 12009 if (transverse_image == (Image *) NULL) 12010 return(MagickFalse); 12011 ReplaceImageInList(&wand->images,transverse_image); 12012 return(MagickTrue); 12013} 12014 12015/* 12016%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12017% % 12018% % 12019% % 12020% M a g i c k T r i m I m a g e % 12021% % 12022% % 12023% % 12024%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12025% 12026% MagickTrimImage() remove edges that are the background color from the image. 12027% 12028% The format of the MagickTrimImage method is: 12029% 12030% MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 12031% 12032% A description of each parameter follows: 12033% 12034% o wand: the magick wand. 12035% 12036% o fuzz: By default target must match a particular pixel color 12037% exactly. However, in many cases two colors may differ by a small amount. 12038% The fuzz member of image defines how much tolerance is acceptable to 12039% consider two colors as the same. For example, set fuzz to 10 and the 12040% color red at intensities of 100 and 102 respectively are now interpreted 12041% as the same color for the purposes of the floodfill. 12042% 12043*/ 12044WandExport MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 12045{ 12046 Image 12047 *trim_image; 12048 12049 assert(wand != (MagickWand *) NULL); 12050 assert(wand->signature == MagickWandSignature); 12051 if (IfMagickTrue(wand->debug)) 12052 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12053 if (wand->images == (Image *) NULL) 12054 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12055 wand->images->fuzz=fuzz; 12056 trim_image=TrimImage(wand->images,wand->exception); 12057 if (trim_image == (Image *) NULL) 12058 return(MagickFalse); 12059 ReplaceImageInList(&wand->images,trim_image); 12060 return(MagickTrue); 12061} 12062 12063/* 12064%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12065% % 12066% % 12067% % 12068% M a g i c k U n i q u e I m a g e C o l o r s % 12069% % 12070% % 12071% % 12072%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12073% 12074% MagickUniqueImageColors() discards all but one of any pixel color. 12075% 12076% The format of the MagickUniqueImageColors method is: 12077% 12078% MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 12079% 12080% A description of each parameter follows: 12081% 12082% o wand: the magick wand. 12083% 12084*/ 12085WandExport MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 12086{ 12087 Image 12088 *unique_image; 12089 12090 assert(wand != (MagickWand *) NULL); 12091 assert(wand->signature == MagickWandSignature); 12092 if (IfMagickTrue(wand->debug)) 12093 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12094 if (wand->images == (Image *) NULL) 12095 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12096 unique_image=UniqueImageColors(wand->images,wand->exception); 12097 if (unique_image == (Image *) NULL) 12098 return(MagickFalse); 12099 ReplaceImageInList(&wand->images,unique_image); 12100 return(MagickTrue); 12101} 12102 12103/* 12104%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12105% % 12106% % 12107% % 12108% M a g i c k U n s h a r p M a s k I m a g e % 12109% % 12110% % 12111% % 12112%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12113% 12114% MagickUnsharpMaskImage() sharpens an image. We convolve the image with a 12115% Gaussian operator of the given radius and standard deviation (sigma). 12116% For reasonable results, radius should be larger than sigma. Use a radius 12117% of 0 and UnsharpMaskImage() selects a suitable radius for you. 12118% 12119% The format of the MagickUnsharpMaskImage method is: 12120% 12121% MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 12122% const double radius,const double sigma,const double gain, 12123% const double threshold) 12124% 12125% A description of each parameter follows: 12126% 12127% o wand: the magick wand. 12128% 12129% o radius: the radius of the Gaussian, in pixels, not counting the center 12130% pixel. 12131% 12132% o sigma: the standard deviation of the Gaussian, in pixels. 12133% 12134% o gain: the percentage of the difference between the original and the 12135% blur image that is added back into the original. 12136% 12137% o threshold: the threshold in pixels needed to apply the diffence gain. 12138% 12139*/ 12140WandExport MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 12141 const double radius,const double sigma,const double gain, 12142 const double threshold) 12143{ 12144 Image 12145 *unsharp_image; 12146 12147 assert(wand != (MagickWand *) NULL); 12148 assert(wand->signature == MagickWandSignature); 12149 if (IfMagickTrue(wand->debug)) 12150 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12151 if (wand->images == (Image *) NULL) 12152 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12153 unsharp_image=UnsharpMaskImage(wand->images,radius,sigma,gain,threshold, 12154 wand->exception); 12155 if (unsharp_image == (Image *) NULL) 12156 return(MagickFalse); 12157 ReplaceImageInList(&wand->images,unsharp_image); 12158 return(MagickTrue); 12159} 12160 12161/* 12162%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12163% % 12164% % 12165% % 12166% M a g i c k V i g n e t t e I m a g e % 12167% % 12168% % 12169% % 12170%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12171% 12172% MagickVignetteImage() softens the edges of the image in vignette style. 12173% 12174% The format of the MagickVignetteImage method is: 12175% 12176% MagickBooleanType MagickVignetteImage(MagickWand *wand, 12177% const double radius,const double sigma,const ssize_t x, 12178% const ssize_t y) 12179% 12180% A description of each parameter follows: 12181% 12182% o wand: the magick wand. 12183% 12184% o radius: the radius. 12185% 12186% o sigma: the sigma. 12187% 12188% o x, y: Define the x and y ellipse offset. 12189% 12190*/ 12191WandExport MagickBooleanType MagickVignetteImage(MagickWand *wand, 12192 const double radius,const double sigma,const ssize_t x,const ssize_t y) 12193{ 12194 Image 12195 *vignette_image; 12196 12197 assert(wand != (MagickWand *) NULL); 12198 assert(wand->signature == MagickWandSignature); 12199 if (IfMagickTrue(wand->debug)) 12200 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12201 if (wand->images == (Image *) NULL) 12202 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12203 vignette_image=VignetteImage(wand->images,radius,sigma,x,y,wand->exception); 12204 if (vignette_image == (Image *) NULL) 12205 return(MagickFalse); 12206 ReplaceImageInList(&wand->images,vignette_image); 12207 return(MagickTrue); 12208} 12209 12210/* 12211%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12212% % 12213% % 12214% % 12215% M a g i c k W a v e I m a g e % 12216% % 12217% % 12218% % 12219%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12220% 12221% MagickWaveImage() creates a "ripple" effect in the image by shifting 12222% the pixels vertically along a sine wave whose amplitude and wavelength 12223% is specified by the given parameters. 12224% 12225% The format of the MagickWaveImage method is: 12226% 12227% MagickBooleanType MagickWaveImage(MagickWand *wand, 12228% const double amplitude,const double wave_length, 12229% const PixelInterpolateMethod method) 12230% 12231% A description of each parameter follows: 12232% 12233% o wand: the magick wand. 12234% 12235% o amplitude, wave_length: Define the amplitude and wave length of the 12236% sine wave. 12237% 12238% o method: the pixel interpolation method. 12239% 12240*/ 12241WandExport MagickBooleanType MagickWaveImage(MagickWand *wand, 12242 const double amplitude,const double wave_length, 12243 const PixelInterpolateMethod method) 12244{ 12245 Image 12246 *wave_image; 12247 12248 assert(wand != (MagickWand *) NULL); 12249 assert(wand->signature == MagickWandSignature); 12250 if (IfMagickTrue(wand->debug)) 12251 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12252 if (wand->images == (Image *) NULL) 12253 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12254 wave_image=WaveImage(wand->images,amplitude,wave_length,method, 12255 wand->exception); 12256 if (wave_image == (Image *) NULL) 12257 return(MagickFalse); 12258 ReplaceImageInList(&wand->images,wave_image); 12259 return(MagickTrue); 12260} 12261 12262/* 12263%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12264% % 12265% % 12266% % 12267% 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 % 12268% % 12269% % 12270% % 12271%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12272% 12273% MagickWhiteThresholdImage() is like ThresholdImage() but force all pixels 12274% above the threshold into white while leaving all pixels below the threshold 12275% unchanged. 12276% 12277% The format of the MagickWhiteThresholdImage method is: 12278% 12279% MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 12280% const PixelWand *threshold) 12281% 12282% A description of each parameter follows: 12283% 12284% o wand: the magick wand. 12285% 12286% o threshold: the pixel wand. 12287% 12288*/ 12289WandExport MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 12290 const PixelWand *threshold) 12291{ 12292 char 12293 thresholds[MagickPathExtent]; 12294 12295 assert(wand != (MagickWand *) NULL); 12296 assert(wand->signature == MagickWandSignature); 12297 if (IfMagickTrue(wand->debug)) 12298 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12299 if (wand->images == (Image *) NULL) 12300 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12301 (void) FormatLocaleString(thresholds,MagickPathExtent, 12302 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 12303 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 12304 PixelGetBlueQuantum(threshold),PixelGetAlphaQuantum(threshold)); 12305 return(WhiteThresholdImage(wand->images,thresholds,wand->exception)); 12306} 12307 12308/* 12309%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12310% % 12311% % 12312% % 12313% M a g i c k W r i t e I m a g e % 12314% % 12315% % 12316% % 12317%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12318% 12319% MagickWriteImage() writes an image to the specified filename. If the 12320% filename parameter is NULL, the image is written to the filename set 12321% by MagickReadImage() or MagickSetImageFilename(). 12322% 12323% The format of the MagickWriteImage method is: 12324% 12325% MagickBooleanType MagickWriteImage(MagickWand *wand, 12326% const char *filename) 12327% 12328% A description of each parameter follows: 12329% 12330% o wand: the magick wand. 12331% 12332% o filename: the image filename. 12333% 12334% 12335*/ 12336WandExport MagickBooleanType MagickWriteImage(MagickWand *wand, 12337 const char *filename) 12338{ 12339 Image 12340 *image; 12341 12342 ImageInfo 12343 *write_info; 12344 12345 MagickBooleanType 12346 status; 12347 12348 assert(wand != (MagickWand *) NULL); 12349 assert(wand->signature == MagickWandSignature); 12350 if (IfMagickTrue(wand->debug)) 12351 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12352 if (wand->images == (Image *) NULL) 12353 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12354 if (filename != (const char *) NULL) 12355 (void) CopyMagickString(wand->images->filename,filename,MagickPathExtent); 12356 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 12357 if (image == (Image *) NULL) 12358 return(MagickFalse); 12359 write_info=CloneImageInfo(wand->image_info); 12360 write_info->adjoin=MagickTrue; 12361 status=WriteImage(write_info,image,wand->exception); 12362 image=DestroyImage(image); 12363 write_info=DestroyImageInfo(write_info); 12364 return(status); 12365} 12366 12367/* 12368%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12369% % 12370% % 12371% % 12372% M a g i c k W r i t e I m a g e F i l e % 12373% % 12374% % 12375% % 12376%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12377% 12378% MagickWriteImageFile() writes an image to an open file descriptor. 12379% 12380% The format of the MagickWriteImageFile method is: 12381% 12382% MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 12383% 12384% A description of each parameter follows: 12385% 12386% o wand: the magick wand. 12387% 12388% o file: the file descriptor. 12389% 12390*/ 12391WandExport MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 12392{ 12393 Image 12394 *image; 12395 12396 ImageInfo 12397 *write_info; 12398 12399 MagickBooleanType 12400 status; 12401 12402 assert(wand != (MagickWand *) NULL); 12403 assert(wand->signature == MagickWandSignature); 12404 assert(file != (FILE *) NULL); 12405 if (IfMagickTrue(wand->debug)) 12406 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12407 if (wand->images == (Image *) NULL) 12408 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12409 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 12410 if (image == (Image *) NULL) 12411 return(MagickFalse); 12412 write_info=CloneImageInfo(wand->image_info); 12413 SetImageInfoFile(write_info,file); 12414 write_info->adjoin=MagickTrue; 12415 status=WriteImage(write_info,image,wand->exception); 12416 write_info=DestroyImageInfo(write_info); 12417 image=DestroyImage(image); 12418 return(status); 12419} 12420 12421/* 12422%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12423% % 12424% % 12425% % 12426% M a g i c k W r i t e I m a g e s % 12427% % 12428% % 12429% % 12430%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12431% 12432% MagickWriteImages() writes an image or image sequence. 12433% 12434% The format of the MagickWriteImages method is: 12435% 12436% MagickBooleanType MagickWriteImages(MagickWand *wand, 12437% const char *filename,const MagickBooleanType adjoin) 12438% 12439% A description of each parameter follows: 12440% 12441% o wand: the magick wand. 12442% 12443% o filename: the image filename. 12444% 12445% o adjoin: join images into a single multi-image file. 12446% 12447*/ 12448WandExport MagickBooleanType MagickWriteImages(MagickWand *wand, 12449 const char *filename,const MagickBooleanType adjoin) 12450{ 12451 ImageInfo 12452 *write_info; 12453 12454 MagickBooleanType 12455 status; 12456 12457 assert(wand != (MagickWand *) NULL); 12458 assert(wand->signature == MagickWandSignature); 12459 if (IfMagickTrue(wand->debug)) 12460 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12461 if (wand->images == (Image *) NULL) 12462 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12463 write_info=CloneImageInfo(wand->image_info); 12464 write_info->adjoin=adjoin; 12465 status=WriteImages(write_info,wand->images,filename,wand->exception); 12466 write_info=DestroyImageInfo(write_info); 12467 return(status); 12468} 12469 12470/* 12471%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12472% % 12473% % 12474% % 12475% M a g i c k W r i t e I m a g e s F i l e % 12476% % 12477% % 12478% % 12479%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12480% 12481% MagickWriteImagesFile() writes an image sequence to an open file descriptor. 12482% 12483% The format of the MagickWriteImagesFile method is: 12484% 12485% MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12486% 12487% A description of each parameter follows: 12488% 12489% o wand: the magick wand. 12490% 12491% o file: the file descriptor. 12492% 12493*/ 12494WandExport MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12495{ 12496 ImageInfo 12497 *write_info; 12498 12499 MagickBooleanType 12500 status; 12501 12502 assert(wand != (MagickWand *) NULL); 12503 assert(wand->signature == MagickWandSignature); 12504 if (IfMagickTrue(wand->debug)) 12505 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12506 if (wand->images == (Image *) NULL) 12507 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12508 write_info=CloneImageInfo(wand->image_info); 12509 SetImageInfoFile(write_info,file); 12510 write_info->adjoin=MagickTrue; 12511 status=WriteImages(write_info,wand->images,(const char *) NULL, 12512 wand->exception); 12513 write_info=DestroyImageInfo(write_info); 12514 return(status); 12515} 12516