magick-image.c revision 05c0c9ada50c0973e9449f1f1c3ea3717d248eb5
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% John Cristy % 23% August 2003 % 24% % 25% % 26% Copyright 1999-2011 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 55/* 56 Define declarations. 57*/ 58#define ThrowWandException(severity,tag,context) \ 59{ \ 60 (void) ThrowMagickException(wand->exception,GetMagickModule(),severity, \ 61 tag,"`%s'",context); \ 62 return(MagickFalse); \ 63} 64#define MagickWandId "MagickWand" 65 66/* 67%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 68% % 69% % 70% % 71+ 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 % 72% % 73% % 74% % 75%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 76% 77% CloneMagickWandFromImages() clones the magick wand and inserts a new image 78% list. 79% 80% The format of the CloneMagickWandFromImages method is: 81% 82% MagickWand *CloneMagickWandFromImages(const MagickWand *wand, 83% Image *images) 84% 85% A description of each parameter follows: 86% 87% o wand: the magick wand. 88% 89% o images: replace the image list with these image(s). 90% 91*/ 92static MagickWand *CloneMagickWandFromImages(const MagickWand *wand, 93 Image *images) 94{ 95 MagickWand 96 *clone_wand; 97 98 assert(wand != (MagickWand *) NULL); 99 assert(wand->signature == WandSignature); 100 if (wand->debug != MagickFalse) 101 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 102 clone_wand=(MagickWand *) AcquireMagickMemory(sizeof(*clone_wand)); 103 if (clone_wand == (MagickWand *) NULL) 104 ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", 105 images->filename); 106 (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand)); 107 clone_wand->id=AcquireWandId(); 108 (void) FormatLocaleString(clone_wand->name,MaxTextExtent,"%s-%.20g", 109 MagickWandId,(double) clone_wand->id); 110 clone_wand->exception=AcquireExceptionInfo(); 111 InheritException(clone_wand->exception,wand->exception); 112 clone_wand->image_info=CloneImageInfo(wand->image_info); 113 clone_wand->quantize_info=CloneQuantizeInfo(wand->quantize_info); 114 clone_wand->images=images; 115 clone_wand->debug=IsEventLogging(); 116 if (clone_wand->debug != MagickFalse) 117 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name); 118 clone_wand->signature=WandSignature; 119 return(clone_wand); 120} 121 122/* 123%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 124% % 125% % 126% % 127% G e t I m a g e F r o m M a g i c k W a n d % 128% % 129% % 130% % 131%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 132% 133% GetImageFromMagickWand() returns the current image from the magick wand. 134% 135% The format of the GetImageFromMagickWand method is: 136% 137% Image *GetImageFromMagickWand(const MagickWand *wand) 138% 139% A description of each parameter follows: 140% 141% o wand: the magick wand. 142% 143*/ 144WandExport Image *GetImageFromMagickWand(const MagickWand *wand) 145{ 146 assert(wand != (MagickWand *) NULL); 147 assert(wand->signature == WandSignature); 148 if (wand->debug != MagickFalse) 149 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 150 if (wand->images == (Image *) NULL) 151 { 152 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 153 "ContainsNoImages","`%s'",wand->name); 154 return((Image *) NULL); 155 } 156 return(wand->images); 157} 158 159/* 160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 161% % 162% % 163% % 164% 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 % 165% % 166% % 167% % 168%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 169% 170% MagickAdaptiveBlurImage() adaptively blurs the image by blurring 171% less intensely near image edges and more intensely far from edges. We 172% blur the image with a Gaussian operator of the given radius and standard 173% deviation (sigma). For reasonable results, radius should be larger than 174% sigma. Use a radius of 0 and MagickAdaptiveBlurImage() selects a 175% suitable radius for you. 176% 177% The format of the MagickAdaptiveBlurImage method is: 178% 179% MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, 180% const double radius,const double sigma,const double bias) 181% 182% A description of each parameter follows: 183% 184% o wand: the magick wand. 185% 186% o radius: the radius of the Gaussian, in pixels, not counting the center 187% pixel. 188% 189% o sigma: the standard deviation of the Gaussian, in pixels. 190% 191% o bias: the bias. 192% 193*/ 194WandExport MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, 195 const double radius,const double sigma,const double bias) 196{ 197 Image 198 *sharp_image; 199 200 assert(wand != (MagickWand *) NULL); 201 assert(wand->signature == WandSignature); 202 if (wand->debug != MagickFalse) 203 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 204 if (wand->images == (Image *) NULL) 205 ThrowWandException(WandError,"ContainsNoImages",wand->name); 206 sharp_image=AdaptiveBlurImage(wand->images,radius,sigma,bias,wand->exception); 207 if (sharp_image == (Image *) NULL) 208 return(MagickFalse); 209 ReplaceImageInList(&wand->images,sharp_image); 210 return(MagickTrue); 211} 212 213/* 214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 215% % 216% % 217% % 218% 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 % 219% % 220% % 221% % 222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 223% 224% MagickAdaptiveResizeImage() adaptively resize image with data dependent 225% triangulation. 226% 227% MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, 228% const size_t columns,const size_t rows) 229% 230% A description of each parameter follows: 231% 232% o wand: the magick wand. 233% 234% o columns: the number of columns in the scaled image. 235% 236% o rows: the number of rows in the scaled image. 237% 238*/ 239WandExport MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, 240 const size_t columns,const size_t rows) 241{ 242 Image 243 *resize_image; 244 245 assert(wand != (MagickWand *) NULL); 246 assert(wand->signature == WandSignature); 247 if (wand->debug != MagickFalse) 248 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 249 if (wand->images == (Image *) NULL) 250 ThrowWandException(WandError,"ContainsNoImages",wand->name); 251 resize_image=AdaptiveResizeImage(wand->images,columns,rows,wand->exception); 252 if (resize_image == (Image *) NULL) 253 return(MagickFalse); 254 ReplaceImageInList(&wand->images,resize_image); 255 return(MagickTrue); 256} 257 258/* 259%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 260% % 261% % 262% % 263% 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 % 264% % 265% % 266% % 267%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 268% 269% MagickAdaptiveSharpenImage() adaptively sharpens the image by sharpening 270% more intensely near image edges and less intensely far from edges. We 271% sharpen the image with a Gaussian operator of the given radius and standard 272% deviation (sigma). For reasonable results, radius should be larger than 273% sigma. Use a radius of 0 and MagickAdaptiveSharpenImage() selects a 274% suitable radius for you. 275% 276% The format of the MagickAdaptiveSharpenImage method is: 277% 278% MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 279% const double radius,const double sigma,const double bias) 280% 281% A description of each parameter follows: 282% 283% o wand: the magick wand. 284% 285% o radius: the radius of the Gaussian, in pixels, not counting the center 286% pixel. 287% 288% o sigma: the standard deviation of the Gaussian, in pixels. 289% 290% o bias: the bias. 291% 292*/ 293WandExport MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 294 const double radius,const double sigma,const double bias) 295{ 296 Image 297 *sharp_image; 298 299 assert(wand != (MagickWand *) NULL); 300 assert(wand->signature == WandSignature); 301 if (wand->debug != MagickFalse) 302 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 303 if (wand->images == (Image *) NULL) 304 ThrowWandException(WandError,"ContainsNoImages",wand->name); 305 sharp_image=AdaptiveSharpenImage(wand->images,radius,sigma,bias, 306 wand->exception); 307 if (sharp_image == (Image *) NULL) 308 return(MagickFalse); 309 ReplaceImageInList(&wand->images,sharp_image); 310 return(MagickTrue); 311} 312 313/* 314%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 315% % 316% % 317% % 318% 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 % 319% % 320% % 321% % 322%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 323% 324% MagickAdaptiveThresholdImage() selects an individual threshold for each pixel 325% based on the range of intensity values in its local neighborhood. This 326% allows for thresholding of an image whose global intensity histogram 327% doesn't contain distinctive peaks. 328% 329% The format of the AdaptiveThresholdImage method is: 330% 331% MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 332% const size_t width,const size_t height,const ssize_t offset) 333% 334% A description of each parameter follows: 335% 336% o wand: the magick wand. 337% 338% o width: the width of the local neighborhood. 339% 340% o height: the height of the local neighborhood. 341% 342% o offset: the mean offset. 343% 344*/ 345WandExport MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 346 const size_t width,const size_t height,const ssize_t offset) 347{ 348 Image 349 *threshold_image; 350 351 assert(wand != (MagickWand *) NULL); 352 assert(wand->signature == WandSignature); 353 if (wand->debug != MagickFalse) 354 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 355 if (wand->images == (Image *) NULL) 356 ThrowWandException(WandError,"ContainsNoImages",wand->name); 357 threshold_image=AdaptiveThresholdImage(wand->images,width,height,offset, 358 wand->exception); 359 if (threshold_image == (Image *) NULL) 360 return(MagickFalse); 361 ReplaceImageInList(&wand->images,threshold_image); 362 return(MagickTrue); 363} 364 365/* 366%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 367% % 368% % 369% % 370% M a g i c k A d d I m a g e % 371% % 372% % 373% % 374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 375% 376% MagickAddImage() adds the specified images at the current image location. 377% 378% The format of the MagickAddImage method is: 379% 380% MagickBooleanType MagickAddImage(MagickWand *wand, 381% const MagickWand *add_wand) 382% 383% A description of each parameter follows: 384% 385% o wand: the magick wand. 386% 387% o add_wand: A wand that contains images to add at the current image 388% location. 389% 390*/ 391 392static inline MagickBooleanType InsertImageInWand(MagickWand *wand, 393 Image *images) 394{ 395 Image 396 *sentinel; 397 398 sentinel=wand->images; 399 if (sentinel == (Image *) NULL) 400 { 401 wand->images=GetFirstImageInList(images); 402 return(MagickTrue); 403 } 404 if (wand->active == MagickFalse) 405 { 406 if ((wand->pend != MagickFalse) && (sentinel->next == (Image *) NULL)) 407 { 408 AppendImageToList(&sentinel,images); 409 wand->images=GetLastImageInList(images); 410 return(MagickTrue); 411 } 412 if ((wand->pend != MagickFalse) && (sentinel->previous == (Image *) NULL)) 413 { 414 PrependImageToList(&sentinel,images); 415 wand->images=GetFirstImageInList(images); 416 return(MagickTrue); 417 } 418 } 419 if (sentinel->next == (Image *) NULL) 420 { 421 InsertImageInList(&sentinel,images); 422 wand->images=GetLastImageInList(images); 423 return(MagickTrue); 424 } 425 InsertImageInList(&sentinel,images); 426 wand->images=GetFirstImageInList(images); 427 return(MagickTrue); 428} 429 430WandExport MagickBooleanType MagickAddImage(MagickWand *wand, 431 const MagickWand *add_wand) 432{ 433 Image 434 *images; 435 436 assert(wand != (MagickWand *) NULL); 437 assert(wand->signature == WandSignature); 438 if (wand->debug != MagickFalse) 439 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 440 assert(add_wand != (MagickWand *) NULL); 441 assert(add_wand->signature == WandSignature); 442 if (add_wand->images == (Image *) NULL) 443 ThrowWandException(WandError,"ContainsNoImages",add_wand->name); 444 images=CloneImageList(add_wand->images,wand->exception); 445 if (images == (Image *) NULL) 446 return(MagickFalse); 447 return(InsertImageInWand(wand,images)); 448} 449 450/* 451%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 452% % 453% % 454% % 455% M a g i c k A d d N o i s e I m a g e % 456% % 457% % 458% % 459%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 460% 461% MagickAddNoiseImage() adds random noise to the image. 462% 463% The format of the MagickAddNoiseImage method is: 464% 465% MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 466% const NoiseType noise_type) 467% 468% A description of each parameter follows: 469% 470% o wand: the magick wand. 471% 472% o noise_type: The type of noise: Uniform, Gaussian, Multiplicative, 473% Impulse, Laplacian, or Poisson. 474% 475*/ 476WandExport MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 477 const NoiseType noise_type) 478{ 479 Image 480 *noise_image; 481 482 assert(wand != (MagickWand *) NULL); 483 assert(wand->signature == WandSignature); 484 if (wand->debug != MagickFalse) 485 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 486 if (wand->images == (Image *) NULL) 487 ThrowWandException(WandError,"ContainsNoImages",wand->name); 488 noise_image=AddNoiseImage(wand->images,noise_type,wand->exception); 489 if (noise_image == (Image *) NULL) 490 return(MagickFalse); 491 ReplaceImageInList(&wand->images,noise_image); 492 return(MagickTrue); 493} 494 495/* 496%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 497% % 498% % 499% % 500% 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 % 501% % 502% % 503% % 504%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 505% 506% MagickAffineTransformImage() transforms an image as dictated by the affine 507% matrix of the drawing wand. 508% 509% The format of the MagickAffineTransformImage method is: 510% 511% MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 512% const DrawingWand *drawing_wand) 513% 514% A description of each parameter follows: 515% 516% o wand: the magick wand. 517% 518% o drawing_wand: the draw wand. 519% 520*/ 521WandExport MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 522 const DrawingWand *drawing_wand) 523{ 524 DrawInfo 525 *draw_info; 526 527 Image 528 *affine_image; 529 530 assert(wand != (MagickWand *) NULL); 531 assert(wand->signature == WandSignature); 532 if (wand->debug != MagickFalse) 533 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 534 if (wand->images == (Image *) NULL) 535 ThrowWandException(WandError,"ContainsNoImages",wand->name); 536 draw_info=PeekDrawingWand(drawing_wand); 537 if (draw_info == (DrawInfo *) NULL) 538 return(MagickFalse); 539 affine_image=AffineTransformImage(wand->images,&draw_info->affine, 540 wand->exception); 541 draw_info=DestroyDrawInfo(draw_info); 542 if (affine_image == (Image *) NULL) 543 return(MagickFalse); 544 ReplaceImageInList(&wand->images,affine_image); 545 return(MagickTrue); 546} 547 548/* 549%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 550% % 551% % 552% % 553% M a g i c k A n n o t a t e I m a g e % 554% % 555% % 556% % 557%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 558% 559% MagickAnnotateImage() annotates an image with text. 560% 561% The format of the MagickAnnotateImage method is: 562% 563% MagickBooleanType MagickAnnotateImage(MagickWand *wand, 564% const DrawingWand *drawing_wand,const double x,const double y, 565% const double angle,const char *text) 566% 567% A description of each parameter follows: 568% 569% o wand: the magick wand. 570% 571% o drawing_wand: the draw wand. 572% 573% o x: x ordinate to left of text 574% 575% o y: y ordinate to text baseline 576% 577% o angle: rotate text relative to this angle. 578% 579% o text: text to draw 580% 581*/ 582WandExport MagickBooleanType MagickAnnotateImage(MagickWand *wand, 583 const DrawingWand *drawing_wand,const double x,const double y, 584 const double angle,const char *text) 585{ 586 char 587 geometry[MaxTextExtent]; 588 589 DrawInfo 590 *draw_info; 591 592 MagickBooleanType 593 status; 594 595 assert(wand != (MagickWand *) NULL); 596 assert(wand->signature == WandSignature); 597 if (wand->debug != MagickFalse) 598 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 599 if (wand->images == (Image *) NULL) 600 ThrowWandException(WandError,"ContainsNoImages",wand->name); 601 draw_info=PeekDrawingWand(drawing_wand); 602 if (draw_info == (DrawInfo *) NULL) 603 return(MagickFalse); 604 (void) CloneString(&draw_info->text,text); 605 (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",x,y); 606 draw_info->affine.sx=cos(DegreesToRadians(fmod(angle,360.0))); 607 draw_info->affine.rx=sin(DegreesToRadians(fmod(angle,360.0))); 608 draw_info->affine.ry=(-sin(DegreesToRadians(fmod(angle,360.0)))); 609 draw_info->affine.sy=cos(DegreesToRadians(fmod(angle,360.0))); 610 (void) CloneString(&draw_info->geometry,geometry); 611 status=AnnotateImage(wand->images,draw_info,&wand->images->exception); 612 draw_info=DestroyDrawInfo(draw_info); 613 return(status); 614} 615 616/* 617%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 618% % 619% % 620% % 621% M a g i c k A n i m a t e I m a g e s % 622% % 623% % 624% % 625%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 626% 627% MagickAnimateImages() animates an image or image sequence. 628% 629% The format of the MagickAnimateImages method is: 630% 631% MagickBooleanType MagickAnimateImages(MagickWand *wand, 632% const char *server_name) 633% 634% A description of each parameter follows: 635% 636% o wand: the magick wand. 637% 638% o server_name: the X server name. 639% 640*/ 641WandExport MagickBooleanType MagickAnimateImages(MagickWand *wand, 642 const char *server_name) 643{ 644 MagickBooleanType 645 status; 646 647 assert(wand != (MagickWand *) NULL); 648 assert(wand->signature == WandSignature); 649 if (wand->debug != MagickFalse) 650 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 651 (void) CloneString(&wand->image_info->server_name,server_name); 652 status=AnimateImages(wand->image_info,wand->images,&wand->images->exception); 653 return(status); 654} 655 656/* 657%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 658% % 659% % 660% % 661% M a g i c k A p p e n d I m a g e s % 662% % 663% % 664% % 665%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 666% 667% MagickAppendImages() append a set of images. 668% 669% The format of the MagickAppendImages method is: 670% 671% MagickWand *MagickAppendImages(MagickWand *wand, 672% const MagickBooleanType stack) 673% 674% A description of each parameter follows: 675% 676% o wand: the magick wand. 677% 678% o stack: By default, images are stacked left-to-right. Set stack to 679% MagickTrue to stack them top-to-bottom. 680% 681*/ 682WandExport MagickWand *MagickAppendImages(MagickWand *wand, 683 const MagickBooleanType stack) 684{ 685 Image 686 *append_image; 687 688 assert(wand != (MagickWand *) NULL); 689 assert(wand->signature == WandSignature); 690 if (wand->debug != MagickFalse) 691 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 692 if (wand->images == (Image *) NULL) 693 return((MagickWand *) NULL); 694 append_image=AppendImages(wand->images,stack,wand->exception); 695 if (append_image == (Image *) NULL) 696 return((MagickWand *) NULL); 697 return(CloneMagickWandFromImages(wand,append_image)); 698} 699 700/* 701%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 702% % 703% % 704% % 705% M a g i c k A u t o G a m m a I m a g e % 706% % 707% % 708% % 709%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 710% 711% MagickAutoGammaImage() extracts the 'mean' from the image and adjust the 712% image to try make set its gamma appropriatally. 713% 714% The format of the MagickAutoGammaImage method is: 715% 716% MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 717% 718% A description of each parameter follows: 719% 720% o wand: the magick wand. 721% 722*/ 723WandExport MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 724{ 725 MagickBooleanType 726 status; 727 728 assert(wand != (MagickWand *) NULL); 729 assert(wand->signature == WandSignature); 730 if (wand->debug != MagickFalse) 731 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 732 if (wand->images == (Image *) NULL) 733 ThrowWandException(WandError,"ContainsNoImages",wand->name); 734 status=AutoGammaImage(wand->images,&wand->images->exception); 735 return(status); 736} 737 738/* 739%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 740% % 741% % 742% % 743% M a g i c k A u t o L e v e l I m a g e % 744% % 745% % 746% % 747%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 748% 749% MagickAutoLevelImage() adjusts the levels of a particular image channel by 750% scaling the minimum and maximum values to the full quantum range. 751% 752% The format of the MagickAutoLevelImage method is: 753% 754% MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 755% 756% A description of each parameter follows: 757% 758% o wand: the magick wand. 759% 760*/ 761WandExport MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 762{ 763 MagickBooleanType 764 status; 765 766 assert(wand != (MagickWand *) NULL); 767 assert(wand->signature == WandSignature); 768 if (wand->debug != MagickFalse) 769 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 770 if (wand->images == (Image *) NULL) 771 ThrowWandException(WandError,"ContainsNoImages",wand->name); 772 status=AutoLevelImage(wand->images,&wand->images->exception); 773 return(status); 774} 775 776/* 777%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 778% % 779% % 780% % 781% 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 % 782% % 783% % 784% % 785%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 786% 787% MagickBlackThresholdImage() is like MagickThresholdImage() but forces all 788% pixels below the threshold into black while leaving all pixels above the 789% threshold unchanged. 790% 791% The format of the MagickBlackThresholdImage method is: 792% 793% MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 794% const PixelWand *threshold) 795% 796% A description of each parameter follows: 797% 798% o wand: the magick wand. 799% 800% o threshold: the pixel wand. 801% 802*/ 803WandExport MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 804 const PixelWand *threshold) 805{ 806 char 807 thresholds[MaxTextExtent]; 808 809 MagickBooleanType 810 status; 811 812 assert(wand != (MagickWand *) NULL); 813 assert(wand->signature == WandSignature); 814 if (wand->debug != MagickFalse) 815 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 816 if (wand->images == (Image *) NULL) 817 ThrowWandException(WandError,"ContainsNoImages",wand->name); 818 (void) FormatLocaleString(thresholds,MaxTextExtent, 819 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 820 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 821 PixelGetBlueQuantum(threshold),PixelGetOpacityQuantum(threshold)); 822 status=BlackThresholdImage(wand->images,thresholds,&wand->images->exception); 823 if (status == MagickFalse) 824 InheritException(wand->exception,&wand->images->exception); 825 return(status); 826} 827 828/* 829%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 830% % 831% % 832% % 833% M a g i c k B l u e S h i f t I m a g e % 834% % 835% % 836% % 837%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 838% 839% MagickBlueShiftImage() mutes the colors of the image to simulate a scene at 840% nighttime in the moonlight. 841% 842% The format of the MagickBlueShiftImage method is: 843% 844% MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 845% const double factor) 846% 847% A description of each parameter follows: 848% 849% o wand: the magick wand. 850% 851% o factor: the blue shift factor (default 1.5) 852% 853*/ 854WandExport MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 855 const double factor) 856{ 857 Image 858 *shift_image; 859 860 assert(wand != (MagickWand *) NULL); 861 assert(wand->signature == WandSignature); 862 if (wand->debug != MagickFalse) 863 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 864 if (wand->images == (Image *) NULL) 865 ThrowWandException(WandError,"ContainsNoImages",wand->name); 866 shift_image=BlueShiftImage(wand->images,factor,wand->exception); 867 if (shift_image == (Image *) NULL) 868 return(MagickFalse); 869 ReplaceImageInList(&wand->images,shift_image); 870 return(MagickTrue); 871} 872 873/* 874%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 875% % 876% % 877% % 878% M a g i c k B l u r I m a g e % 879% % 880% % 881% % 882%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 883% 884% MagickBlurImage() blurs an image. We convolve the image with a 885% gaussian operator of the given radius and standard deviation (sigma). 886% For reasonable results, the radius should be larger than sigma. Use a 887% radius of 0 and BlurImage() selects a suitable radius for you. 888% 889% The format of the MagickBlurImage method is: 890% 891% MagickBooleanType MagickBlurImage(MagickWand *wand,const double radius, 892% const double sigmaconst double bias) 893% 894% A description of each parameter follows: 895% 896% o wand: the magick wand. 897% 898% o radius: the radius of the , in pixels, not counting the center 899% pixel. 900% 901% o sigma: the standard deviation of the , in pixels. 902% 903% o bias: the bias. 904% 905*/ 906WandExport MagickBooleanType MagickBlurImage(MagickWand *wand, 907 const double radius,const double sigma,const double bias) 908{ 909 Image 910 *blur_image; 911 912 assert(wand != (MagickWand *) NULL); 913 assert(wand->signature == WandSignature); 914 if (wand->debug != MagickFalse) 915 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 916 if (wand->images == (Image *) NULL) 917 ThrowWandException(WandError,"ContainsNoImages",wand->name); 918 blur_image=BlurImage(wand->images,radius,sigma,bias,wand->exception); 919 if (blur_image == (Image *) NULL) 920 return(MagickFalse); 921 ReplaceImageInList(&wand->images,blur_image); 922 return(MagickTrue); 923} 924 925/* 926%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 927% % 928% % 929% % 930% M a g i c k B o r d e r I m a g e % 931% % 932% % 933% % 934%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 935% 936% MagickBorderImage() surrounds the image with a border of the color defined 937% by the bordercolor pixel wand. 938% 939% The format of the MagickBorderImage method is: 940% 941% MagickBooleanType MagickBorderImage(MagickWand *wand, 942% const PixelWand *bordercolor,const size_t width, 943% const size_t height) 944% 945% A description of each parameter follows: 946% 947% o wand: the magick wand. 948% 949% o bordercolor: the border color pixel wand. 950% 951% o width: the border width. 952% 953% o height: the border height. 954% 955*/ 956WandExport MagickBooleanType MagickBorderImage(MagickWand *wand, 957 const PixelWand *bordercolor,const size_t width, 958 const size_t height) 959{ 960 Image 961 *border_image; 962 963 RectangleInfo 964 border_info; 965 966 assert(wand != (MagickWand *) NULL); 967 assert(wand->signature == WandSignature); 968 if (wand->debug != MagickFalse) 969 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 970 if (wand->images == (Image *) NULL) 971 ThrowWandException(WandError,"ContainsNoImages",wand->name); 972 border_info.width=width; 973 border_info.height=height; 974 border_info.x=0; 975 border_info.y=0; 976 PixelGetQuantumPacket(bordercolor,&wand->images->border_color); 977 border_image=BorderImage(wand->images,&border_info,wand->exception); 978 if (border_image == (Image *) NULL) 979 return(MagickFalse); 980 ReplaceImageInList(&wand->images,border_image); 981 return(MagickTrue); 982} 983 984/* 985%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 986% % 987% % 988% % 989% 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 % 990% % 991% % 992% % 993%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 994% 995% Use MagickBrightnessContrastImage() to change the brightness and/or contrast 996% of an image. It converts the brightness and contrast parameters into slope 997% and intercept and calls a polynomical function to apply to the image. 998 999% 1000% The format of the MagickBrightnessContrastImage method is: 1001% 1002% MagickBooleanType MagickBrightnessContrastImage(MagickWand *wand, 1003% const double brightness,const double contrast) 1004% 1005% A description of each parameter follows: 1006% 1007% o wand: the magick wand. 1008% 1009% o brightness: the brightness percent (-100 .. 100). 1010% 1011% o contrast: the contrast percent (-100 .. 100). 1012% 1013*/ 1014WandExport MagickBooleanType MagickBrightnessContrastImage( 1015 MagickWand *wand,const double brightness,const double contrast) 1016{ 1017 MagickBooleanType 1018 status; 1019 1020 assert(wand != (MagickWand *) NULL); 1021 assert(wand->signature == WandSignature); 1022 if (wand->debug != MagickFalse) 1023 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1024 if (wand->images == (Image *) NULL) 1025 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1026 status=BrightnessContrastImage(wand->images,brightness,contrast, 1027 &wand->images->exception); 1028 return(status); 1029} 1030 1031/* 1032%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1033% % 1034% % 1035% % 1036% M a g i c k C h a r c o a l I m a g e % 1037% % 1038% % 1039% % 1040%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1041% 1042% MagickCharcoalImage() simulates a charcoal drawing. 1043% 1044% The format of the MagickCharcoalImage method is: 1045% 1046% MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1047% const double radius,const double sigma,const double bias) 1048% 1049% A description of each parameter follows: 1050% 1051% o wand: the magick wand. 1052% 1053% o radius: the radius of the Gaussian, in pixels, not counting the center 1054% pixel. 1055% 1056% o sigma: the standard deviation of the Gaussian, in pixels. 1057% 1058% o bias: the bias. 1059% 1060*/ 1061WandExport MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1062 const double radius,const double sigma,const double bias) 1063{ 1064 Image 1065 *charcoal_image; 1066 1067 assert(wand != (MagickWand *) NULL); 1068 assert(wand->signature == WandSignature); 1069 if (wand->debug != MagickFalse) 1070 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1071 if (wand->images == (Image *) NULL) 1072 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1073 charcoal_image=CharcoalImage(wand->images,radius,sigma,bias,wand->exception); 1074 if (charcoal_image == (Image *) NULL) 1075 return(MagickFalse); 1076 ReplaceImageInList(&wand->images,charcoal_image); 1077 return(MagickTrue); 1078} 1079 1080/* 1081%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1082% % 1083% % 1084% % 1085% M a g i c k C h o p I m a g e % 1086% % 1087% % 1088% % 1089%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1090% 1091% MagickChopImage() removes a region of an image and collapses the image to 1092% occupy the removed portion 1093% 1094% The format of the MagickChopImage method is: 1095% 1096% MagickBooleanType MagickChopImage(MagickWand *wand, 1097% const size_t width,const size_t height,const ssize_t x, 1098% const ssize_t y) 1099% 1100% A description of each parameter follows: 1101% 1102% o wand: the magick wand. 1103% 1104% o width: the region width. 1105% 1106% o height: the region height. 1107% 1108% o x: the region x offset. 1109% 1110% o y: the region y offset. 1111% 1112% 1113*/ 1114WandExport MagickBooleanType MagickChopImage(MagickWand *wand, 1115 const size_t width,const size_t height,const ssize_t x, 1116 const ssize_t y) 1117{ 1118 Image 1119 *chop_image; 1120 1121 RectangleInfo 1122 chop; 1123 1124 assert(wand != (MagickWand *) NULL); 1125 assert(wand->signature == WandSignature); 1126 if (wand->debug != MagickFalse) 1127 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1128 if (wand->images == (Image *) NULL) 1129 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1130 chop.width=width; 1131 chop.height=height; 1132 chop.x=x; 1133 chop.y=y; 1134 chop_image=ChopImage(wand->images,&chop,wand->exception); 1135 if (chop_image == (Image *) NULL) 1136 return(MagickFalse); 1137 ReplaceImageInList(&wand->images,chop_image); 1138 return(MagickTrue); 1139} 1140 1141/* 1142%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1143% % 1144% % 1145% % 1146% M a g i c k C l a m p I m a g e % 1147% % 1148% % 1149% % 1150%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1151% 1152% MagickClampImage() restricts the color range from 0 to the quantum depth. 1153% 1154% The format of the MagickClampImage method is: 1155% 1156% MagickBooleanType MagickClampImage(MagickWand *wand) 1157% 1158% A description of each parameter follows: 1159% 1160% o wand: the magick wand. 1161% 1162% o channel: the channel. 1163% 1164*/ 1165WandExport MagickBooleanType MagickClampImage(MagickWand *wand) 1166{ 1167 MagickBooleanType 1168 status; 1169 1170 assert(wand != (MagickWand *) NULL); 1171 assert(wand->signature == WandSignature); 1172 if (wand->debug != MagickFalse) 1173 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1174 if (wand->images == (Image *) NULL) 1175 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1176 status=ClampImage(wand->images); 1177 if (status == MagickFalse) 1178 InheritException(wand->exception,&wand->images->exception); 1179 return(status); 1180} 1181 1182/* 1183%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1184% % 1185% % 1186% % 1187% M a g i c k C l i p I m a g e % 1188% % 1189% % 1190% % 1191%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1192% 1193% MagickClipImage() clips along the first path from the 8BIM profile, if 1194% present. 1195% 1196% The format of the MagickClipImage method is: 1197% 1198% MagickBooleanType MagickClipImage(MagickWand *wand) 1199% 1200% A description of each parameter follows: 1201% 1202% o wand: the magick wand. 1203% 1204*/ 1205WandExport MagickBooleanType MagickClipImage(MagickWand *wand) 1206{ 1207 MagickBooleanType 1208 status; 1209 1210 assert(wand != (MagickWand *) NULL); 1211 assert(wand->signature == WandSignature); 1212 if (wand->debug != MagickFalse) 1213 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1214 if (wand->images == (Image *) NULL) 1215 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1216 status=ClipImage(wand->images,wand->exception); 1217 return(status); 1218} 1219 1220/* 1221%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1222% % 1223% % 1224% % 1225% M a g i c k C l i p I m a g e P a t h % 1226% % 1227% % 1228% % 1229%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1230% 1231% MagickClipImagePath() clips along the named paths from the 8BIM profile, if 1232% present. Later operations take effect inside the path. Id may be a number 1233% if preceded with #, to work on a numbered path, e.g., "#1" to use the first 1234% path. 1235% 1236% The format of the MagickClipImagePath method is: 1237% 1238% MagickBooleanType MagickClipImagePath(MagickWand *wand, 1239% const char *pathname,const MagickBooleanType inside) 1240% 1241% A description of each parameter follows: 1242% 1243% o wand: the magick wand. 1244% 1245% o pathname: name of clipping path resource. If name is preceded by #, use 1246% clipping path numbered by name. 1247% 1248% o inside: if non-zero, later operations take effect inside clipping path. 1249% Otherwise later operations take effect outside clipping path. 1250% 1251*/ 1252WandExport MagickBooleanType MagickClipImagePath(MagickWand *wand, 1253 const char *pathname,const MagickBooleanType inside) 1254{ 1255 MagickBooleanType 1256 status; 1257 1258 assert(wand != (MagickWand *) NULL); 1259 assert(wand->signature == WandSignature); 1260 if (wand->debug != MagickFalse) 1261 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1262 if (wand->images == (Image *) NULL) 1263 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1264 status=ClipImagePath(wand->images,pathname,inside,wand->exception); 1265 return(status); 1266} 1267 1268/* 1269%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1270% % 1271% % 1272% % 1273% M a g i c k C l u t I m a g e % 1274% % 1275% % 1276% % 1277%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1278% 1279% MagickClutImage() replaces colors in the image from a color lookup table. 1280% 1281% The format of the MagickClutImage method is: 1282% 1283% MagickBooleanType MagickClutImage(MagickWand *wand, 1284% const MagickWand *clut_wand) 1285% 1286% A description of each parameter follows: 1287% 1288% o wand: the magick wand. 1289% 1290% o clut_image: the clut image. 1291% 1292*/ 1293WandExport MagickBooleanType MagickClutImage(MagickWand *wand, 1294 const MagickWand *clut_wand) 1295{ 1296 MagickBooleanType 1297 status; 1298 1299 assert(wand != (MagickWand *) NULL); 1300 assert(wand->signature == WandSignature); 1301 if (wand->debug != MagickFalse) 1302 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1303 if ((wand->images == (Image *) NULL) || (clut_wand->images == (Image *) NULL)) 1304 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1305 status=ClutImage(wand->images,clut_wand->images,&wand->images->exception); 1306 return(status); 1307} 1308 1309/* 1310%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1311% % 1312% % 1313% % 1314% M a g i c k C o a l e s c e I m a g e s % 1315% % 1316% % 1317% % 1318%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1319% 1320% MagickCoalesceImages() composites a set of images while respecting any page 1321% offsets and disposal methods. GIF, MIFF, and MNG animation sequences 1322% typically start with an image background and each subsequent image 1323% varies in size and offset. MagickCoalesceImages() returns a new sequence 1324% where each image in the sequence is the same size as the first and 1325% composited with the next image in the sequence. 1326% 1327% The format of the MagickCoalesceImages method is: 1328% 1329% MagickWand *MagickCoalesceImages(MagickWand *wand) 1330% 1331% A description of each parameter follows: 1332% 1333% o wand: the magick wand. 1334% 1335*/ 1336WandExport MagickWand *MagickCoalesceImages(MagickWand *wand) 1337{ 1338 Image 1339 *coalesce_image; 1340 1341 assert(wand != (MagickWand *) NULL); 1342 assert(wand->signature == WandSignature); 1343 if (wand->debug != MagickFalse) 1344 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1345 if (wand->images == (Image *) NULL) 1346 return((MagickWand *) NULL); 1347 coalesce_image=CoalesceImages(wand->images,wand->exception); 1348 if (coalesce_image == (Image *) NULL) 1349 return((MagickWand *) NULL); 1350 return(CloneMagickWandFromImages(wand,coalesce_image)); 1351} 1352 1353/* 1354%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1355% % 1356% % 1357% % 1358% M a g i c k C o l o r D e c i s i o n I m a g e % 1359% % 1360% % 1361% % 1362%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1363% 1364% MagickColorDecisionListImage() accepts a lightweight Color Correction 1365% Collection (CCC) file which solely contains one or more color corrections 1366% and applies the color correction to the image. Here is a sample CCC file: 1367% 1368% <ColorCorrectionCollection xmlns="urn:ASC:CDL:v1.2"> 1369% <ColorCorrection id="cc03345"> 1370% <SOPNode> 1371% <Slope> 0.9 1.2 0.5 </Slope> 1372% <Offset> 0.4 -0.5 0.6 </Offset> 1373% <Power> 1.0 0.8 1.5 </Power> 1374% </SOPNode> 1375% <SATNode> 1376% <Saturation> 0.85 </Saturation> 1377% </SATNode> 1378% </ColorCorrection> 1379% </ColorCorrectionCollection> 1380% 1381% which includes the offset, slope, and power for each of the RGB channels 1382% as well as the saturation. 1383% 1384% The format of the MagickColorDecisionListImage method is: 1385% 1386% MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1387% const double gamma) 1388% 1389% A description of each parameter follows: 1390% 1391% o wand: the magick wand. 1392% 1393% o color_correction_collection: the color correction collection in XML. 1394% 1395*/ 1396WandExport MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1397 const char *color_correction_collection) 1398{ 1399 MagickBooleanType 1400 status; 1401 1402 assert(wand != (MagickWand *) NULL); 1403 assert(wand->signature == WandSignature); 1404 if (wand->debug != MagickFalse) 1405 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1406 if (wand->images == (Image *) NULL) 1407 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1408 status=ColorDecisionListImage(wand->images,color_correction_collection, 1409 &wand->images->exception); 1410 return(status); 1411} 1412 1413/* 1414%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1415% % 1416% % 1417% % 1418% M a g i c k C o l o r i z e I m a g e % 1419% % 1420% % 1421% % 1422%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1423% 1424% MagickColorizeImage() blends the fill color with each pixel in the image. 1425% 1426% The format of the MagickColorizeImage method is: 1427% 1428% MagickBooleanType MagickColorizeImage(MagickWand *wand, 1429% const PixelWand *colorize,const PixelWand *opacity) 1430% 1431% A description of each parameter follows: 1432% 1433% o wand: the magick wand. 1434% 1435% o colorize: the colorize pixel wand. 1436% 1437% o opacity: the opacity pixel wand. 1438% 1439*/ 1440WandExport MagickBooleanType MagickColorizeImage(MagickWand *wand, 1441 const PixelWand *colorize,const PixelWand *opacity) 1442{ 1443 char 1444 percent_opaque[MaxTextExtent]; 1445 1446 Image 1447 *colorize_image; 1448 1449 PixelPacket 1450 target; 1451 1452 assert(wand != (MagickWand *) NULL); 1453 assert(wand->signature == WandSignature); 1454 if (wand->debug != MagickFalse) 1455 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1456 if (wand->images == (Image *) NULL) 1457 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1458 (void) FormatLocaleString(percent_opaque,MaxTextExtent, 1459 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 1460 PixelGetRedQuantum(opacity)),(double) (100.0*QuantumScale* 1461 PixelGetGreenQuantum(opacity)),(double) (100.0*QuantumScale* 1462 PixelGetBlueQuantum(opacity)),(double) (100.0*QuantumScale* 1463 PixelGetOpacityQuantum(opacity))); 1464 PixelGetQuantumPacket(colorize,&target); 1465 colorize_image=ColorizeImage(wand->images,percent_opaque,target, 1466 wand->exception); 1467 if (colorize_image == (Image *) NULL) 1468 return(MagickFalse); 1469 ReplaceImageInList(&wand->images,colorize_image); 1470 return(MagickTrue); 1471} 1472 1473/* 1474%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1475% % 1476% % 1477% % 1478% M a g i c k C o l o r M a t r i x I m a g e % 1479% % 1480% % 1481% % 1482%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1483% 1484% MagickColorMatrixImage() apply color transformation to an image. The method 1485% permits saturation changes, hue rotation, luminance to alpha, and various 1486% other effects. Although variable-sized transformation matrices can be used, 1487% typically one uses a 5x5 matrix for an RGBA image and a 6x6 for CMYKA 1488% (or RGBA with offsets). The matrix is similar to those used by Adobe Flash 1489% except offsets are in column 6 rather than 5 (in support of CMYKA images) 1490% and offsets are normalized (divide Flash offset by 255). 1491% 1492% The format of the MagickColorMatrixImage method is: 1493% 1494% MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1495% const KernelInfo *color_matrix) 1496% 1497% A description of each parameter follows: 1498% 1499% o wand: the magick wand. 1500% 1501% o color_matrix: the color matrix. 1502% 1503*/ 1504WandExport MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1505 const KernelInfo *color_matrix) 1506{ 1507 Image 1508 *color_image; 1509 1510 assert(wand != (MagickWand *) NULL); 1511 assert(wand->signature == WandSignature); 1512 if (wand->debug != MagickFalse) 1513 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1514 if (color_matrix == (const KernelInfo *) NULL) 1515 return(MagickFalse); 1516 if (wand->images == (Image *) NULL) 1517 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1518 color_image=ColorMatrixImage(wand->images,color_matrix,wand->exception); 1519 if (color_image == (Image *) NULL) 1520 return(MagickFalse); 1521 ReplaceImageInList(&wand->images,color_image); 1522 return(MagickTrue); 1523} 1524 1525/* 1526%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1527% % 1528% % 1529% % 1530% M a g i c k C o m b i n e I m a g e s % 1531% % 1532% % 1533% % 1534%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1535% 1536% MagickCombineImages() combines one or more images into a single image. The 1537% grayscale value of the pixels of each image in the sequence is assigned in 1538% order to the specified hannels of the combined image. The typical 1539% ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc. 1540% 1541% The format of the MagickCombineImages method is: 1542% 1543% MagickWand *MagickCombineImages(MagickWand *wand) 1544% 1545% A description of each parameter follows: 1546% 1547% o wand: the magick wand. 1548% 1549*/ 1550WandExport MagickWand *MagickCombineImages(MagickWand *wand) 1551{ 1552 Image 1553 *combine_image; 1554 1555 assert(wand != (MagickWand *) NULL); 1556 assert(wand->signature == WandSignature); 1557 if (wand->debug != MagickFalse) 1558 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1559 if (wand->images == (Image *) NULL) 1560 return((MagickWand *) NULL); 1561 combine_image=CombineImages(wand->images,wand->exception); 1562 if (combine_image == (Image *) NULL) 1563 return((MagickWand *) NULL); 1564 return(CloneMagickWandFromImages(wand,combine_image)); 1565} 1566 1567/* 1568%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1569% % 1570% % 1571% % 1572% M a g i c k C o m m e n t I m a g e % 1573% % 1574% % 1575% % 1576%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1577% 1578% MagickCommentImage() adds a comment to your image. 1579% 1580% The format of the MagickCommentImage method is: 1581% 1582% MagickBooleanType MagickCommentImage(MagickWand *wand, 1583% const char *comment) 1584% 1585% A description of each parameter follows: 1586% 1587% o wand: the magick wand. 1588% 1589% o comment: the image comment. 1590% 1591*/ 1592WandExport MagickBooleanType MagickCommentImage(MagickWand *wand, 1593 const char *comment) 1594{ 1595 MagickBooleanType 1596 status; 1597 1598 assert(wand != (MagickWand *) NULL); 1599 assert(wand->signature == WandSignature); 1600 if (wand->debug != MagickFalse) 1601 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1602 if (wand->images == (Image *) NULL) 1603 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1604 status=SetImageProperty(wand->images,"comment",comment); 1605 if (status == MagickFalse) 1606 InheritException(wand->exception,&wand->images->exception); 1607 return(status); 1608} 1609 1610/* 1611%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1612% % 1613% % 1614% % 1615% M a g i c k C o m p a r e I m a g e L a y e r s % 1616% % 1617% % 1618% % 1619%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1620% 1621% MagickCompareImagesLayers() compares each image with the next in a sequence 1622% and returns the maximum bounding region of any pixel differences it 1623% discovers. 1624% 1625% The format of the MagickCompareImagesLayers method is: 1626% 1627% MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1628% const ImageLayerMethod method) 1629% 1630% A description of each parameter follows: 1631% 1632% o wand: the magick wand. 1633% 1634% o method: the compare method. 1635% 1636*/ 1637WandExport MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1638 const ImageLayerMethod method) 1639{ 1640 Image 1641 *layers_image; 1642 1643 assert(wand != (MagickWand *) NULL); 1644 assert(wand->signature == WandSignature); 1645 if (wand->debug != MagickFalse) 1646 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1647 if (wand->images == (Image *) NULL) 1648 return((MagickWand *) NULL); 1649 layers_image=CompareImagesLayers(wand->images,method,wand->exception); 1650 if (layers_image == (Image *) NULL) 1651 return((MagickWand *) NULL); 1652 return(CloneMagickWandFromImages(wand,layers_image)); 1653} 1654 1655/* 1656%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1657% % 1658% % 1659% % 1660% M a g i c k C o m p a r e I m a g e s % 1661% % 1662% % 1663% % 1664%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1665% 1666% MagickCompareImages() compares an image to a reconstructed image and returns 1667% the specified difference image. 1668% 1669% The format of the MagickCompareImages method is: 1670% 1671% MagickWand *MagickCompareImages(MagickWand *wand, 1672% const MagickWand *reference,const MetricType metric, 1673% double *distortion) 1674% 1675% A description of each parameter follows: 1676% 1677% o wand: the magick wand. 1678% 1679% o reference: the reference wand. 1680% 1681% o metric: the metric. 1682% 1683% o distortion: the computed distortion between the images. 1684% 1685*/ 1686WandExport MagickWand *MagickCompareImages(MagickWand *wand, 1687 const MagickWand *reference,const MetricType metric,double *distortion) 1688{ 1689 Image 1690 *compare_image; 1691 1692 1693 assert(wand != (MagickWand *) NULL); 1694 assert(wand->signature == WandSignature); 1695 if (wand->debug != MagickFalse) 1696 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1697 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 1698 { 1699 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 1700 "ContainsNoImages","`%s'",wand->name); 1701 return((MagickWand *) NULL); 1702 } 1703 compare_image=CompareImages(wand->images,reference->images,metric,distortion, 1704 &wand->images->exception); 1705 if (compare_image == (Image *) NULL) 1706 return((MagickWand *) NULL); 1707 return(CloneMagickWandFromImages(wand,compare_image)); 1708} 1709 1710/* 1711%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1712% % 1713% % 1714% % 1715% M a g i c k C o m p o s i t e I m a g e % 1716% % 1717% % 1718% % 1719%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1720% 1721% MagickCompositeImage() composite one image onto another at the specified 1722% offset. 1723% 1724% The format of the MagickCompositeImage method is: 1725% 1726% MagickBooleanType MagickCompositeImage(MagickWand *wand, 1727% const MagickWand *composite_wand,const CompositeOperator compose, 1728% const ssize_t x,const ssize_t y) 1729% 1730% A description of each parameter follows: 1731% 1732% o wand: the magick wand. 1733% 1734% o composite_image: the composite image. 1735% 1736% o compose: This operator affects how the composite is applied to the 1737% image. The default is Over. Choose from these operators: 1738% 1739% OverCompositeOp InCompositeOp OutCompositeOp 1740% AtopCompositeOp XorCompositeOp PlusCompositeOp 1741% MinusCompositeOp AddCompositeOp SubtractCompositeOp 1742% DifferenceCompositeOp BumpmapCompositeOp CopyCompositeOp 1743% DisplaceCompositeOp 1744% 1745% o x: the column offset of the composited image. 1746% 1747% o y: the row offset of the composited image. 1748% 1749*/ 1750WandExport MagickBooleanType MagickCompositeImage(MagickWand *wand, 1751 const MagickWand *composite_wand,const CompositeOperator compose, 1752 const ssize_t x,const ssize_t y) 1753{ 1754 MagickBooleanType 1755 status; 1756 1757 assert(wand != (MagickWand *) NULL); 1758 assert(wand->signature == WandSignature); 1759 if (wand->debug != MagickFalse) 1760 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1761 if ((wand->images == (Image *) NULL) || 1762 (composite_wand->images == (Image *) NULL)) 1763 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1764 status=CompositeImage(wand->images,compose,composite_wand->images,x,y); 1765 if (status == MagickFalse) 1766 InheritException(wand->exception,&wand->images->exception); 1767 return(status); 1768} 1769 1770/* 1771%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1772% % 1773% % 1774% % 1775% M a g i c k C o n t r a s t I m a g e % 1776% % 1777% % 1778% % 1779%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1780% 1781% MagickContrastImage() enhances the intensity differences between the lighter 1782% and darker elements of the image. Set sharpen to a value other than 0 to 1783% increase the image contrast otherwise the contrast is reduced. 1784% 1785% The format of the MagickContrastImage method is: 1786% 1787% MagickBooleanType MagickContrastImage(MagickWand *wand, 1788% const MagickBooleanType sharpen) 1789% 1790% A description of each parameter follows: 1791% 1792% o wand: the magick wand. 1793% 1794% o sharpen: Increase or decrease image contrast. 1795% 1796% 1797*/ 1798WandExport MagickBooleanType MagickContrastImage(MagickWand *wand, 1799 const MagickBooleanType sharpen) 1800{ 1801 MagickBooleanType 1802 status; 1803 1804 assert(wand != (MagickWand *) NULL); 1805 assert(wand->signature == WandSignature); 1806 if (wand->debug != MagickFalse) 1807 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1808 if (wand->images == (Image *) NULL) 1809 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1810 status=ContrastImage(wand->images,sharpen,&wand->images->exception); 1811 return(status); 1812} 1813 1814/* 1815%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1816% % 1817% % 1818% % 1819% 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 % 1820% % 1821% % 1822% % 1823%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1824% 1825% MagickContrastStretchImage() enhances the contrast of a color image by 1826% adjusting the pixels color to span the entire range of colors available. 1827% You can also reduce the influence of a particular channel with a gamma 1828% value of 0. 1829% 1830% The format of the MagickContrastStretchImage method is: 1831% 1832% MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 1833% const double black_point,const double white_point) 1834% 1835% A description of each parameter follows: 1836% 1837% o wand: the magick wand. 1838% 1839% o black_point: the black point. 1840% 1841% o white_point: the white point. 1842% 1843*/ 1844WandExport MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 1845 const double black_point,const double white_point) 1846{ 1847 MagickBooleanType 1848 status; 1849 1850 assert(wand != (MagickWand *) NULL); 1851 assert(wand->signature == WandSignature); 1852 if (wand->debug != MagickFalse) 1853 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1854 if (wand->images == (Image *) NULL) 1855 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1856 status=ContrastStretchImage(wand->images,black_point,white_point, 1857 &wand->images->exception); 1858 return(status); 1859} 1860 1861/* 1862%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1863% % 1864% % 1865% % 1866% M a g i c k C o n v o l v e I m a g e % 1867% % 1868% % 1869% % 1870%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1871% 1872% MagickConvolveImage() applies a custom convolution kernel to the image. 1873% 1874% The format of the MagickConvolveImage method is: 1875% 1876% MagickBooleanType MagickConvolveImage(MagickWand *wand, 1877% const KernelInfo *kernel) 1878% 1879% A description of each parameter follows: 1880% 1881% o wand: the magick wand. 1882% 1883% o kernel: An array of doubles representing the convolution kernel. 1884% 1885*/ 1886WandExport MagickBooleanType MagickConvolveImage(MagickWand *wand, 1887 const KernelInfo *kernel) 1888{ 1889 Image 1890 *filter_image; 1891 1892 assert(wand != (MagickWand *) NULL); 1893 assert(wand->signature == WandSignature); 1894 if (wand->debug != MagickFalse) 1895 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1896 if (kernel == (const KernelInfo *) NULL) 1897 return(MagickFalse); 1898 if (wand->images == (Image *) NULL) 1899 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1900 filter_image=ConvolveImage(wand->images,kernel,wand->exception); 1901 if (filter_image == (Image *) NULL) 1902 return(MagickFalse); 1903 ReplaceImageInList(&wand->images,filter_image); 1904 return(MagickTrue); 1905} 1906 1907/* 1908%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1909% % 1910% % 1911% % 1912% M a g i c k C r o p I m a g e % 1913% % 1914% % 1915% % 1916%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1917% 1918% MagickCropImage() extracts a region of the image. 1919% 1920% The format of the MagickCropImage method is: 1921% 1922% MagickBooleanType MagickCropImage(MagickWand *wand, 1923% const size_t width,const size_t height,const ssize_t x,const ssize_t y) 1924% 1925% A description of each parameter follows: 1926% 1927% o wand: the magick wand. 1928% 1929% o width: the region width. 1930% 1931% o height: the region height. 1932% 1933% o x: the region x-offset. 1934% 1935% o y: the region y-offset. 1936% 1937*/ 1938WandExport MagickBooleanType MagickCropImage(MagickWand *wand, 1939 const size_t width,const size_t height,const ssize_t x,const ssize_t y) 1940{ 1941 Image 1942 *crop_image; 1943 1944 RectangleInfo 1945 crop; 1946 1947 assert(wand != (MagickWand *) NULL); 1948 assert(wand->signature == WandSignature); 1949 if (wand->debug != MagickFalse) 1950 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1951 if (wand->images == (Image *) NULL) 1952 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1953 crop.width=width; 1954 crop.height=height; 1955 crop.x=x; 1956 crop.y=y; 1957 crop_image=CropImage(wand->images,&crop,wand->exception); 1958 if (crop_image == (Image *) NULL) 1959 return(MagickFalse); 1960 ReplaceImageInList(&wand->images,crop_image); 1961 return(MagickTrue); 1962} 1963 1964/* 1965%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1966% % 1967% % 1968% % 1969% M a g i c k C y c l e C o l o r m a p I m a g e % 1970% % 1971% % 1972% % 1973%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1974% 1975% MagickCycleColormapImage() displaces an image's colormap by a given number 1976% of positions. If you cycle the colormap a number of times you can produce 1977% a psychodelic effect. 1978% 1979% The format of the MagickCycleColormapImage method is: 1980% 1981% MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 1982% const ssize_t displace) 1983% 1984% A description of each parameter follows: 1985% 1986% o wand: the magick wand. 1987% 1988% o pixel_wand: the pixel wand. 1989% 1990*/ 1991WandExport MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 1992 const ssize_t displace) 1993{ 1994 MagickBooleanType 1995 status; 1996 1997 assert(wand != (MagickWand *) NULL); 1998 assert(wand->signature == WandSignature); 1999 if (wand->debug != MagickFalse) 2000 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2001 if (wand->images == (Image *) NULL) 2002 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2003 status=CycleColormapImage(wand->images,displace,wand->exception); 2004 return(status); 2005} 2006 2007/* 2008%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2009% % 2010% % 2011% % 2012% M a g i c k C o n s t i t u t e I m a g e % 2013% % 2014% % 2015% % 2016%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2017% 2018% MagickConstituteImage() adds an image to the wand comprised of the pixel 2019% data you supply. The pixel data must be in scanline order top-to-bottom. 2020% The data can be char, short int, int, float, or double. Float and double 2021% require the pixels to be normalized [0..1], otherwise [0..Max], where Max 2022% is the maximum value the type can accomodate (e.g. 255 for char). For 2023% example, to create a 640x480 image from unsigned red-green-blue character 2024% data, use 2025% 2026% MagickConstituteImage(wand,640,640,"RGB",CharPixel,pixels); 2027% 2028% The format of the MagickConstituteImage method is: 2029% 2030% MagickBooleanType MagickConstituteImage(MagickWand *wand, 2031% const size_t columns,const size_t rows,const char *map, 2032% const StorageType storage,void *pixels) 2033% 2034% A description of each parameter follows: 2035% 2036% o wand: the magick wand. 2037% 2038% o columns: width in pixels of the image. 2039% 2040% o rows: height in pixels of the image. 2041% 2042% o map: This string reflects the expected ordering of the pixel array. 2043% It can be any combination or order of R = red, G = green, B = blue, 2044% A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, 2045% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 2046% P = pad. 2047% 2048% o storage: Define the data type of the pixels. Float and double types are 2049% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 2050% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 2051% LongPixel, QuantumPixel, or ShortPixel. 2052% 2053% o pixels: This array of values contain the pixel components as defined by 2054% map and type. You must preallocate this array where the expected 2055% length varies depending on the values of width, height, map, and type. 2056% 2057% 2058*/ 2059WandExport MagickBooleanType MagickConstituteImage(MagickWand *wand, 2060 const size_t columns,const size_t rows,const char *map, 2061 const StorageType storage,const void *pixels) 2062{ 2063 Image 2064 *images; 2065 2066 assert(wand != (MagickWand *) NULL); 2067 assert(wand->signature == WandSignature); 2068 if (wand->debug != MagickFalse) 2069 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2070 images=ConstituteImage(columns,rows,map,storage,pixels,wand->exception); 2071 if (images == (Image *) NULL) 2072 return(MagickFalse); 2073 return(InsertImageInWand(wand,images)); 2074} 2075 2076/* 2077%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2078% % 2079% % 2080% % 2081% M a g i c k D e c i p h e r I m a g e % 2082% % 2083% % 2084% % 2085%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2086% 2087% MagickDecipherImage() converts cipher pixels to plain pixels. 2088% 2089% The format of the MagickDecipherImage method is: 2090% 2091% MagickBooleanType MagickDecipherImage(MagickWand *wand, 2092% const char *passphrase) 2093% 2094% A description of each parameter follows: 2095% 2096% o wand: the magick wand. 2097% 2098% o passphrase: the passphrase. 2099% 2100*/ 2101WandExport MagickBooleanType MagickDecipherImage(MagickWand *wand, 2102 const char *passphrase) 2103{ 2104 assert(wand != (MagickWand *) NULL); 2105 assert(wand->signature == WandSignature); 2106 if (wand->debug != MagickFalse) 2107 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2108 if (wand->images == (Image *) NULL) 2109 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2110 return(DecipherImage(wand->images,passphrase,&wand->images->exception)); 2111} 2112 2113/* 2114%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2115% % 2116% % 2117% % 2118% M a g i c k D e c o n s t r u c t I m a g e s % 2119% % 2120% % 2121% % 2122%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2123% 2124% MagickDeconstructImages() compares each image with the next in a sequence 2125% and returns the maximum bounding region of any pixel differences it 2126% discovers. 2127% 2128% The format of the MagickDeconstructImages method is: 2129% 2130% MagickWand *MagickDeconstructImages(MagickWand *wand) 2131% 2132% A description of each parameter follows: 2133% 2134% o wand: the magick wand. 2135% 2136*/ 2137WandExport MagickWand *MagickDeconstructImages(MagickWand *wand) 2138{ 2139 Image 2140 *deconstruct_image; 2141 2142 assert(wand != (MagickWand *) NULL); 2143 assert(wand->signature == WandSignature); 2144 if (wand->debug != MagickFalse) 2145 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2146 if (wand->images == (Image *) NULL) 2147 return((MagickWand *) NULL); 2148 deconstruct_image=CompareImagesLayers(wand->images,CompareAnyLayer, 2149 wand->exception); 2150 if (deconstruct_image == (Image *) NULL) 2151 return((MagickWand *) NULL); 2152 return(CloneMagickWandFromImages(wand,deconstruct_image)); 2153} 2154 2155/* 2156%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2157% % 2158% % 2159% % 2160% M a g i c k D e s k e w I m a g e % 2161% % 2162% % 2163% % 2164%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2165% 2166% MagickDeskewImage() removes skew from the image. Skew is an artifact that 2167% occurs in scanned images because of the camera being misaligned, 2168% imperfections in the scanning or surface, or simply because the paper was 2169% not placed completely flat when scanned. 2170% 2171% The format of the MagickDeskewImage method is: 2172% 2173% MagickBooleanType MagickDeskewImage(MagickWand *wand, 2174% const double threshold) 2175% 2176% A description of each parameter follows: 2177% 2178% o wand: the magick wand. 2179% 2180% o threshold: separate background from foreground. 2181% 2182*/ 2183WandExport MagickBooleanType MagickDeskewImage(MagickWand *wand, 2184 const double threshold) 2185{ 2186 Image 2187 *sepia_image; 2188 2189 assert(wand != (MagickWand *) NULL); 2190 assert(wand->signature == WandSignature); 2191 if (wand->debug != MagickFalse) 2192 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2193 if (wand->images == (Image *) NULL) 2194 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2195 sepia_image=DeskewImage(wand->images,threshold,wand->exception); 2196 if (sepia_image == (Image *) NULL) 2197 return(MagickFalse); 2198 ReplaceImageInList(&wand->images,sepia_image); 2199 return(MagickTrue); 2200} 2201 2202/* 2203%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2204% % 2205% % 2206% % 2207% M a g i c k D e s p e c k l e I m a g e % 2208% % 2209% % 2210% % 2211%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2212% 2213% MagickDespeckleImage() reduces the speckle noise in an image while 2214% perserving the edges of the original image. 2215% 2216% The format of the MagickDespeckleImage method is: 2217% 2218% MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2219% 2220% A description of each parameter follows: 2221% 2222% o wand: the magick wand. 2223% 2224*/ 2225WandExport MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2226{ 2227 Image 2228 *despeckle_image; 2229 2230 assert(wand != (MagickWand *) NULL); 2231 assert(wand->signature == WandSignature); 2232 if (wand->debug != MagickFalse) 2233 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2234 if (wand->images == (Image *) NULL) 2235 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2236 despeckle_image=DespeckleImage(wand->images,wand->exception); 2237 if (despeckle_image == (Image *) NULL) 2238 return(MagickFalse); 2239 ReplaceImageInList(&wand->images,despeckle_image); 2240 return(MagickTrue); 2241} 2242 2243/* 2244%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2245% % 2246% % 2247% % 2248% M a g i c k D e s t r o y I m a g e % 2249% % 2250% % 2251% % 2252%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2253% 2254% MagickDestroyImage() dereferences an image, deallocating memory associated 2255% with the image if the reference count becomes zero. 2256% 2257% The format of the MagickDestroyImage method is: 2258% 2259% Image *MagickDestroyImage(Image *image) 2260% 2261% A description of each parameter follows: 2262% 2263% o image: the image. 2264% 2265*/ 2266WandExport Image *MagickDestroyImage(Image *image) 2267{ 2268 return(DestroyImage(image)); 2269} 2270 2271/* 2272%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2273% % 2274% % 2275% % 2276% M a g i c k D i s p l a y I m a g e % 2277% % 2278% % 2279% % 2280%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2281% 2282% MagickDisplayImage() displays an image. 2283% 2284% The format of the MagickDisplayImage method is: 2285% 2286% MagickBooleanType MagickDisplayImage(MagickWand *wand, 2287% const char *server_name) 2288% 2289% A description of each parameter follows: 2290% 2291% o wand: the magick wand. 2292% 2293% o server_name: the X server name. 2294% 2295*/ 2296WandExport MagickBooleanType MagickDisplayImage(MagickWand *wand, 2297 const char *server_name) 2298{ 2299 Image 2300 *image; 2301 2302 MagickBooleanType 2303 status; 2304 2305 assert(wand != (MagickWand *) NULL); 2306 assert(wand->signature == WandSignature); 2307 if (wand->debug != MagickFalse) 2308 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2309 if (wand->images == (Image *) NULL) 2310 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2311 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 2312 if (image == (Image *) NULL) 2313 return(MagickFalse); 2314 (void) CloneString(&wand->image_info->server_name,server_name); 2315 status=DisplayImages(wand->image_info,image,&image->exception); 2316 image=DestroyImage(image); 2317 return(status); 2318} 2319 2320/* 2321%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2322% % 2323% % 2324% % 2325% M a g i c k D i s p l a y I m a g e s % 2326% % 2327% % 2328% % 2329%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2330% 2331% MagickDisplayImages() displays an image or image sequence. 2332% 2333% The format of the MagickDisplayImages method is: 2334% 2335% MagickBooleanType MagickDisplayImages(MagickWand *wand, 2336% const char *server_name) 2337% 2338% A description of each parameter follows: 2339% 2340% o wand: the magick wand. 2341% 2342% o server_name: the X server name. 2343% 2344*/ 2345WandExport MagickBooleanType MagickDisplayImages(MagickWand *wand, 2346 const char *server_name) 2347{ 2348 MagickBooleanType 2349 status; 2350 2351 assert(wand != (MagickWand *) NULL); 2352 assert(wand->signature == WandSignature); 2353 if (wand->debug != MagickFalse) 2354 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2355 (void) CloneString(&wand->image_info->server_name,server_name); 2356 status=DisplayImages(wand->image_info,wand->images,&wand->images->exception); 2357 return(status); 2358} 2359 2360/* 2361%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2362% % 2363% % 2364% % 2365% M a g i c k D i s t o r t I m a g e % 2366% % 2367% % 2368% % 2369%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2370% 2371% MagickDistortImage() distorts an image using various distortion methods, by 2372% mapping color lookups of the source image to a new destination image 2373% usally of the same size as the source image, unless 'bestfit' is set to 2374% true. 2375% 2376% If 'bestfit' is enabled, and distortion allows it, the destination image is 2377% adjusted to ensure the whole source 'image' will just fit within the final 2378% destination image, which will be sized and offset accordingly. Also in 2379% many cases the virtual offset of the source image will be taken into 2380% account in the mapping. 2381% 2382% The format of the MagickDistortImage method is: 2383% 2384% MagickBooleanType MagickDistortImage(MagickWand *wand, 2385% const DistortImageMethod method,const size_t number_arguments, 2386% const double *arguments,const MagickBooleanType bestfit) 2387% 2388% A description of each parameter follows: 2389% 2390% o image: the image to be distorted. 2391% 2392% o method: the method of image distortion. 2393% 2394% ArcDistortion always ignores the source image offset, and always 2395% 'bestfit' the destination image with the top left corner offset 2396% relative to the polar mapping center. 2397% 2398% Bilinear has no simple inverse mapping so it does not allow 'bestfit' 2399% style of image distortion. 2400% 2401% Affine, Perspective, and Bilinear, do least squares fitting of the 2402% distortion when more than the minimum number of control point pairs 2403% are provided. 2404% 2405% Perspective, and Bilinear, falls back to a Affine distortion when less 2406% that 4 control point pairs are provided. While Affine distortions let 2407% you use any number of control point pairs, that is Zero pairs is a 2408% no-Op (viewport only) distrotion, one pair is a translation and two 2409% pairs of control points do a scale-rotate-translate, without any 2410% shearing. 2411% 2412% o number_arguments: the number of arguments given for this distortion 2413% method. 2414% 2415% o arguments: the arguments for this distortion method. 2416% 2417% o bestfit: Attempt to resize destination to fit distorted source. 2418% 2419*/ 2420WandExport MagickBooleanType MagickDistortImage(MagickWand *wand, 2421 const DistortImageMethod method,const size_t number_arguments, 2422 const double *arguments,const MagickBooleanType bestfit) 2423{ 2424 Image 2425 *distort_image; 2426 2427 assert(wand != (MagickWand *) NULL); 2428 assert(wand->signature == WandSignature); 2429 if (wand->debug != MagickFalse) 2430 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2431 if (wand->images == (Image *) NULL) 2432 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2433 distort_image=DistortImage(wand->images,method,number_arguments,arguments, 2434 bestfit,wand->exception); 2435 if (distort_image == (Image *) NULL) 2436 return(MagickFalse); 2437 ReplaceImageInList(&wand->images,distort_image); 2438 return(MagickTrue); 2439} 2440 2441/* 2442%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2443% % 2444% % 2445% % 2446% M a g i c k D r a w I m a g e % 2447% % 2448% % 2449% % 2450%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2451% 2452% MagickDrawImage() renders the drawing wand on the current image. 2453% 2454% The format of the MagickDrawImage method is: 2455% 2456% MagickBooleanType MagickDrawImage(MagickWand *wand, 2457% const DrawingWand *drawing_wand) 2458% 2459% A description of each parameter follows: 2460% 2461% o wand: the magick wand. 2462% 2463% o drawing_wand: the draw wand. 2464% 2465*/ 2466WandExport MagickBooleanType MagickDrawImage(MagickWand *wand, 2467 const DrawingWand *drawing_wand) 2468{ 2469 char 2470 *primitive; 2471 2472 DrawInfo 2473 *draw_info; 2474 2475 MagickBooleanType 2476 status; 2477 2478 assert(wand != (MagickWand *) NULL); 2479 assert(wand->signature == WandSignature); 2480 if (wand->debug != MagickFalse) 2481 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2482 if (wand->images == (Image *) NULL) 2483 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2484 draw_info=PeekDrawingWand(drawing_wand); 2485 if ((draw_info == (DrawInfo *) NULL) || 2486 (draw_info->primitive == (char *) NULL)) 2487 return(MagickFalse); 2488 primitive=AcquireString(draw_info->primitive); 2489 draw_info=DestroyDrawInfo(draw_info); 2490 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 2491 draw_info->primitive=primitive; 2492 status=DrawImage(wand->images,draw_info,wand->exception); 2493 draw_info=DestroyDrawInfo(draw_info); 2494 return(status); 2495} 2496 2497/* 2498%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2499% % 2500% % 2501% % 2502% M a g i c k E d g e I m a g e % 2503% % 2504% % 2505% % 2506%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2507% 2508% MagickEdgeImage() enhance edges within the image with a convolution filter 2509% of the given radius. Use a radius of 0 and Edge() selects a suitable 2510% radius for you. 2511% 2512% The format of the MagickEdgeImage method is: 2513% 2514% MagickBooleanType MagickEdgeImage(MagickWand *wand,const double radius, 2515% const double sigma) 2516% 2517% A description of each parameter follows: 2518% 2519% o wand: the magick wand. 2520% 2521% o radius: the radius of the pixel neighborhood. 2522% 2523% o sigma: the standard deviation of the Gaussian, in pixels. 2524% 2525*/ 2526WandExport MagickBooleanType MagickEdgeImage(MagickWand *wand, 2527 const double radius,const double sigma) 2528{ 2529 Image 2530 *edge_image; 2531 2532 assert(wand != (MagickWand *) NULL); 2533 assert(wand->signature == WandSignature); 2534 if (wand->debug != MagickFalse) 2535 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2536 if (wand->images == (Image *) NULL) 2537 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2538 edge_image=EdgeImage(wand->images,radius,sigma,wand->exception); 2539 if (edge_image == (Image *) NULL) 2540 return(MagickFalse); 2541 ReplaceImageInList(&wand->images,edge_image); 2542 return(MagickTrue); 2543} 2544 2545/* 2546%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2547% % 2548% % 2549% % 2550% M a g i c k E m b o s s I m a g e % 2551% % 2552% % 2553% % 2554%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2555% 2556% MagickEmbossImage() returns a grayscale image with a three-dimensional 2557% effect. We convolve the image with a Gaussian operator of the given radius 2558% and standard deviation (sigma). For reasonable results, radius should be 2559% larger than sigma. Use a radius of 0 and Emboss() selects a suitable 2560% radius for you. 2561% 2562% The format of the MagickEmbossImage method is: 2563% 2564% MagickBooleanType MagickEmbossImage(MagickWand *wand,const double radius, 2565% const double sigma) 2566% 2567% A description of each parameter follows: 2568% 2569% o wand: the magick wand. 2570% 2571% o radius: the radius of the Gaussian, in pixels, not counting the center 2572% pixel. 2573% 2574% o sigma: the standard deviation of the Gaussian, in pixels. 2575% 2576*/ 2577WandExport MagickBooleanType MagickEmbossImage(MagickWand *wand, 2578 const double radius,const double sigma) 2579{ 2580 Image 2581 *emboss_image; 2582 2583 assert(wand != (MagickWand *) NULL); 2584 assert(wand->signature == WandSignature); 2585 if (wand->debug != MagickFalse) 2586 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2587 if (wand->images == (Image *) NULL) 2588 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2589 emboss_image=EmbossImage(wand->images,radius,sigma,wand->exception); 2590 if (emboss_image == (Image *) NULL) 2591 return(MagickFalse); 2592 ReplaceImageInList(&wand->images,emboss_image); 2593 return(MagickTrue); 2594} 2595 2596/* 2597%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2598% % 2599% % 2600% % 2601% M a g i c k E n c i p h e r I m a g e % 2602% % 2603% % 2604% % 2605%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2606% 2607% MagickEncipherImage() converts plaint pixels to cipher pixels. 2608% 2609% The format of the MagickEncipherImage method is: 2610% 2611% MagickBooleanType MagickEncipherImage(MagickWand *wand, 2612% const char *passphrase) 2613% 2614% A description of each parameter follows: 2615% 2616% o wand: the magick wand. 2617% 2618% o passphrase: the passphrase. 2619% 2620*/ 2621WandExport MagickBooleanType MagickEncipherImage(MagickWand *wand, 2622 const char *passphrase) 2623{ 2624 assert(wand != (MagickWand *) NULL); 2625 assert(wand->signature == WandSignature); 2626 if (wand->debug != MagickFalse) 2627 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2628 if (wand->images == (Image *) NULL) 2629 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2630 return(EncipherImage(wand->images,passphrase,&wand->images->exception)); 2631} 2632 2633/* 2634%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2635% % 2636% % 2637% % 2638% M a g i c k E n h a n c e I m a g e % 2639% % 2640% % 2641% % 2642%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2643% 2644% MagickEnhanceImage() applies a digital filter that improves the quality of a 2645% noisy image. 2646% 2647% The format of the MagickEnhanceImage method is: 2648% 2649% MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2650% 2651% A description of each parameter follows: 2652% 2653% o wand: the magick wand. 2654% 2655*/ 2656WandExport MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2657{ 2658 Image 2659 *enhance_image; 2660 2661 assert(wand != (MagickWand *) NULL); 2662 assert(wand->signature == WandSignature); 2663 if (wand->debug != MagickFalse) 2664 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2665 if (wand->images == (Image *) NULL) 2666 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2667 enhance_image=EnhanceImage(wand->images,wand->exception); 2668 if (enhance_image == (Image *) NULL) 2669 return(MagickFalse); 2670 ReplaceImageInList(&wand->images,enhance_image); 2671 return(MagickTrue); 2672} 2673 2674/* 2675%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2676% % 2677% % 2678% % 2679% M a g i c k E q u a l i z e I m a g e % 2680% % 2681% % 2682% % 2683%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2684% 2685% MagickEqualizeImage() equalizes the image histogram. 2686% 2687% The format of the MagickEqualizeImage method is: 2688% 2689% MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2690% 2691% A description of each parameter follows: 2692% 2693% o wand: the magick wand. 2694% 2695% o channel: the image channel(s). 2696% 2697*/ 2698WandExport MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2699{ 2700 MagickBooleanType 2701 status; 2702 2703 assert(wand != (MagickWand *) NULL); 2704 assert(wand->signature == WandSignature); 2705 if (wand->debug != MagickFalse) 2706 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2707 if (wand->images == (Image *) NULL) 2708 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2709 status=EqualizeImage(wand->images,&wand->images->exception); 2710 return(status); 2711} 2712 2713/* 2714%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2715% % 2716% % 2717% % 2718% M a g i c k E v a l u a t e I m a g e % 2719% % 2720% % 2721% % 2722%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2723% 2724% MagickEvaluateImage() applys an arithmetic, relational, or logical 2725% expression to an image. Use these operators to lighten or darken an image, 2726% to increase or decrease contrast in an image, or to produce the "negative" 2727% of an image. 2728% 2729% The format of the MagickEvaluateImage method is: 2730% 2731% MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2732% const MagickEvaluateOperator operator,const double value) 2733% MagickBooleanType MagickEvaluateImages(MagickWand *wand, 2734% const MagickEvaluateOperator operator) 2735% 2736% A description of each parameter follows: 2737% 2738% o wand: the magick wand. 2739% 2740% o op: A channel operator. 2741% 2742% o value: A value value. 2743% 2744*/ 2745 2746WandExport MagickWand *MagickEvaluateImages(MagickWand *wand, 2747 const MagickEvaluateOperator op) 2748{ 2749 Image 2750 *evaluate_image; 2751 2752 assert(wand != (MagickWand *) NULL); 2753 assert(wand->signature == WandSignature); 2754 if (wand->debug != MagickFalse) 2755 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2756 if (wand->images == (Image *) NULL) 2757 return((MagickWand *) NULL); 2758 evaluate_image=EvaluateImages(wand->images,op,wand->exception); 2759 if (evaluate_image == (Image *) NULL) 2760 return((MagickWand *) NULL); 2761 return(CloneMagickWandFromImages(wand,evaluate_image)); 2762} 2763 2764WandExport MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2765 const MagickEvaluateOperator op,const double value) 2766{ 2767 MagickBooleanType 2768 status; 2769 2770 assert(wand != (MagickWand *) NULL); 2771 assert(wand->signature == WandSignature); 2772 if (wand->debug != MagickFalse) 2773 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2774 if (wand->images == (Image *) NULL) 2775 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2776 status=EvaluateImage(wand->images,op,value,&wand->images->exception); 2777 return(status); 2778} 2779 2780/* 2781%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2782% % 2783% % 2784% % 2785% M a g i c k E x p o r t I m a g e P i x e l s % 2786% % 2787% % 2788% % 2789%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2790% 2791% MagickExportImagePixels() extracts pixel data from an image and returns it 2792% to you. The method returns MagickTrue on success otherwise MagickFalse if 2793% an error is encountered. The data is returned as char, short int, int, 2794% ssize_t, float, or double in the order specified by map. 2795% 2796% Suppose you want to extract the first scanline of a 640x480 image as 2797% character data in red-green-blue order: 2798% 2799% MagickExportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 2800% 2801% The format of the MagickExportImagePixels method is: 2802% 2803% MagickBooleanType MagickExportImagePixels(MagickWand *wand, 2804% const ssize_t x,const ssize_t y,const size_t columns, 2805% const size_t rows,const char *map,const StorageType storage, 2806% void *pixels) 2807% 2808% A description of each parameter follows: 2809% 2810% o wand: the magick wand. 2811% 2812% o x, y, columns, rows: These values define the perimeter 2813% of a region of pixels you want to extract. 2814% 2815% o map: This string reflects the expected ordering of the pixel array. 2816% It can be any combination or order of R = red, G = green, B = blue, 2817% A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, 2818% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 2819% P = pad. 2820% 2821% o storage: Define the data type of the pixels. Float and double types are 2822% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 2823% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 2824% LongPixel, QuantumPixel, or ShortPixel. 2825% 2826% o pixels: This array of values contain the pixel components as defined by 2827% map and type. You must preallocate this array where the expected 2828% length varies depending on the values of width, height, map, and type. 2829% 2830*/ 2831WandExport MagickBooleanType MagickExportImagePixels(MagickWand *wand, 2832 const ssize_t x,const ssize_t y,const size_t columns, 2833 const size_t rows,const char *map,const StorageType storage, 2834 void *pixels) 2835{ 2836 MagickBooleanType 2837 status; 2838 2839 assert(wand != (MagickWand *) NULL); 2840 assert(wand->signature == WandSignature); 2841 if (wand->debug != MagickFalse) 2842 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2843 if (wand->images == (Image *) NULL) 2844 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2845 status=ExportImagePixels(wand->images,x,y,columns,rows,map, 2846 storage,pixels,wand->exception); 2847 if (status == MagickFalse) 2848 InheritException(wand->exception,&wand->images->exception); 2849 return(status); 2850} 2851 2852/* 2853%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2854% % 2855% % 2856% % 2857% M a g i c k E x t e n t I m a g e % 2858% % 2859% % 2860% % 2861%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2862% 2863% MagickExtentImage() extends the image as defined by the geometry, gravity, 2864% and wand background color. Set the (x,y) offset of the geometry to move 2865% the original wand relative to the extended wand. 2866% 2867% The format of the MagickExtentImage method is: 2868% 2869% MagickBooleanType MagickExtentImage(MagickWand *wand, 2870% const size_t width,const size_t height,const ssize_t x, 2871% const ssize_t y) 2872% 2873% A description of each parameter follows: 2874% 2875% o wand: the magick wand. 2876% 2877% o width: the region width. 2878% 2879% o height: the region height. 2880% 2881% o x: the region x offset. 2882% 2883% o y: the region y offset. 2884% 2885*/ 2886WandExport MagickBooleanType MagickExtentImage(MagickWand *wand, 2887 const size_t width,const size_t height,const ssize_t x, 2888 const ssize_t y) 2889{ 2890 Image 2891 *extent_image; 2892 2893 RectangleInfo 2894 extent; 2895 2896 assert(wand != (MagickWand *) NULL); 2897 assert(wand->signature == WandSignature); 2898 if (wand->debug != MagickFalse) 2899 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2900 if (wand->images == (Image *) NULL) 2901 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2902 extent.width=width; 2903 extent.height=height; 2904 extent.x=x; 2905 extent.y=y; 2906 extent_image=ExtentImage(wand->images,&extent,wand->exception); 2907 if (extent_image == (Image *) NULL) 2908 return(MagickFalse); 2909 ReplaceImageInList(&wand->images,extent_image); 2910 return(MagickTrue); 2911} 2912 2913/* 2914%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2915% % 2916% % 2917% % 2918% M a g i c k F l i p I m a g e % 2919% % 2920% % 2921% % 2922%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2923% 2924% MagickFlipImage() creates a vertical mirror image by reflecting the pixels 2925% around the central x-axis. 2926% 2927% The format of the MagickFlipImage method is: 2928% 2929% MagickBooleanType MagickFlipImage(MagickWand *wand) 2930% 2931% A description of each parameter follows: 2932% 2933% o wand: the magick wand. 2934% 2935*/ 2936WandExport MagickBooleanType MagickFlipImage(MagickWand *wand) 2937{ 2938 Image 2939 *flip_image; 2940 2941 assert(wand != (MagickWand *) NULL); 2942 assert(wand->signature == WandSignature); 2943 if (wand->debug != MagickFalse) 2944 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2945 if (wand->images == (Image *) NULL) 2946 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2947 flip_image=FlipImage(wand->images,wand->exception); 2948 if (flip_image == (Image *) NULL) 2949 return(MagickFalse); 2950 ReplaceImageInList(&wand->images,flip_image); 2951 return(MagickTrue); 2952} 2953 2954/* 2955%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2956% % 2957% % 2958% % 2959% 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 % 2960% % 2961% % 2962% % 2963%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2964% 2965% MagickFloodfillPaintImage() changes the color value of any pixel that matches 2966% target and is an immediate neighbor. If the method FillToBorderMethod is 2967% specified, the color value is changed for any neighbor pixel that does not 2968% match the bordercolor member of image. 2969% 2970% The format of the MagickFloodfillPaintImage method is: 2971% 2972% MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 2973% const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 2974% const ssize_t x,const ssize_t y,const MagickBooleanType invert) 2975% 2976% A description of each parameter follows: 2977% 2978% o wand: the magick wand. 2979% 2980% o fill: the floodfill color pixel wand. 2981% 2982% o fuzz: By default target must match a particular pixel color 2983% exactly. However, in many cases two colors may differ by a small amount. 2984% The fuzz member of image defines how much tolerance is acceptable to 2985% consider two colors as the same. For example, set fuzz to 10 and the 2986% color red at intensities of 100 and 102 respectively are now interpreted 2987% as the same color for the purposes of the floodfill. 2988% 2989% o bordercolor: the border color pixel wand. 2990% 2991% o x,y: the starting location of the operation. 2992% 2993% o invert: paint any pixel that does not match the target color. 2994% 2995*/ 2996WandExport MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 2997 const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 2998 const ssize_t x,const ssize_t y,const MagickBooleanType invert) 2999{ 3000 DrawInfo 3001 *draw_info; 3002 3003 MagickBooleanType 3004 status; 3005 3006 PixelInfo 3007 target; 3008 3009 assert(wand != (MagickWand *) NULL); 3010 assert(wand->signature == WandSignature); 3011 if (wand->debug != MagickFalse) 3012 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3013 if (wand->images == (Image *) NULL) 3014 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3015 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 3016 PixelGetQuantumPacket(fill,&draw_info->fill); 3017 (void) GetOneVirtualMagickPixel(wand->images,x % wand->images->columns, 3018 y % wand->images->rows,&target,wand->exception); 3019 if (bordercolor != (PixelWand *) NULL) 3020 PixelGetMagickColor(bordercolor,&target); 3021 wand->images->fuzz=fuzz; 3022 status=FloodfillPaintImage(wand->images,draw_info,&target,x,y,invert, 3023 &wand->images->exception); 3024 draw_info=DestroyDrawInfo(draw_info); 3025 return(status); 3026} 3027 3028/* 3029%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3030% % 3031% % 3032% % 3033% M a g i c k F l o p I m a g e % 3034% % 3035% % 3036% % 3037%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3038% 3039% MagickFlopImage() creates a horizontal mirror image by reflecting the pixels 3040% around the central y-axis. 3041% 3042% The format of the MagickFlopImage method is: 3043% 3044% MagickBooleanType MagickFlopImage(MagickWand *wand) 3045% 3046% A description of each parameter follows: 3047% 3048% o wand: the magick wand. 3049% 3050*/ 3051WandExport MagickBooleanType MagickFlopImage(MagickWand *wand) 3052{ 3053 Image 3054 *flop_image; 3055 3056 assert(wand != (MagickWand *) NULL); 3057 assert(wand->signature == WandSignature); 3058 if (wand->debug != MagickFalse) 3059 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3060 if (wand->images == (Image *) NULL) 3061 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3062 flop_image=FlopImage(wand->images,wand->exception); 3063 if (flop_image == (Image *) NULL) 3064 return(MagickFalse); 3065 ReplaceImageInList(&wand->images,flop_image); 3066 return(MagickTrue); 3067} 3068 3069/* 3070%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3071% % 3072% % 3073% % 3074% 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 % 3075% % 3076% % 3077% % 3078%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3079% 3080% MagickForwardFourierTransformImage() implements the discrete Fourier 3081% transform (DFT) of the image either as a magnitude / phase or real / 3082% imaginary image pair. 3083% 3084% The format of the MagickForwardFourierTransformImage method is: 3085% 3086% MagickBooleanType MagickForwardFourierTransformImage(MagickWand *wand, 3087% const MagickBooleanType magnitude) 3088% 3089% A description of each parameter follows: 3090% 3091% o wand: the magick wand. 3092% 3093% o magnitude: if true, return as magnitude / phase pair otherwise a real / 3094% imaginary image pair. 3095% 3096*/ 3097WandExport MagickBooleanType MagickForwardFourierTransformImage( 3098 MagickWand *wand,const MagickBooleanType magnitude) 3099{ 3100 Image 3101 *forward_image; 3102 3103 assert(wand != (MagickWand *) NULL); 3104 assert(wand->signature == WandSignature); 3105 if (wand->debug != MagickFalse) 3106 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3107 if (wand->images == (Image *) NULL) 3108 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3109 forward_image=ForwardFourierTransformImage(wand->images,magnitude, 3110 wand->exception); 3111 if (forward_image == (Image *) NULL) 3112 return(MagickFalse); 3113 ReplaceImageInList(&wand->images,forward_image); 3114 return(MagickTrue); 3115} 3116 3117/* 3118%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3119% % 3120% % 3121% % 3122% M a g i c k F r a m e I m a g e % 3123% % 3124% % 3125% % 3126%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3127% 3128% MagickFrameImage() adds a simulated three-dimensional border around the 3129% image. The width and height specify the border width of the vertical and 3130% horizontal sides of the frame. The inner and outer bevels indicate the 3131% width of the inner and outer shadows of the frame. 3132% 3133% The format of the MagickFrameImage method is: 3134% 3135% MagickBooleanType MagickFrameImage(MagickWand *wand, 3136% const PixelWand *matte_color,const size_t width, 3137% const size_t height,const ssize_t inner_bevel, 3138% const ssize_t outer_bevel) 3139% 3140% A description of each parameter follows: 3141% 3142% o wand: the magick wand. 3143% 3144% o matte_color: the frame color pixel wand. 3145% 3146% o width: the border width. 3147% 3148% o height: the border height. 3149% 3150% o inner_bevel: the inner bevel width. 3151% 3152% o outer_bevel: the outer bevel width. 3153% 3154*/ 3155WandExport MagickBooleanType MagickFrameImage(MagickWand *wand, 3156 const PixelWand *matte_color,const size_t width, 3157 const size_t height,const ssize_t inner_bevel,const ssize_t outer_bevel) 3158{ 3159 Image 3160 *frame_image; 3161 3162 FrameInfo 3163 frame_info; 3164 3165 assert(wand != (MagickWand *) NULL); 3166 assert(wand->signature == WandSignature); 3167 if (wand->debug != MagickFalse) 3168 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3169 if (wand->images == (Image *) NULL) 3170 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3171 (void) ResetMagickMemory(&frame_info,0,sizeof(frame_info)); 3172 frame_info.width=wand->images->columns+2*width; 3173 frame_info.height=wand->images->rows+2*height; 3174 frame_info.x=(ssize_t) width; 3175 frame_info.y=(ssize_t) height; 3176 frame_info.inner_bevel=inner_bevel; 3177 frame_info.outer_bevel=outer_bevel; 3178 PixelGetQuantumPacket(matte_color,&wand->images->matte_color); 3179 frame_image=FrameImage(wand->images,&frame_info,wand->exception); 3180 if (frame_image == (Image *) NULL) 3181 return(MagickFalse); 3182 ReplaceImageInList(&wand->images,frame_image); 3183 return(MagickTrue); 3184} 3185 3186/* 3187%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3188% % 3189% % 3190% % 3191% M a g i c k F u n c t i o n I m a g e % 3192% % 3193% % 3194% % 3195%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3196% 3197% MagickFunctionImage() applys an arithmetic, relational, or logical 3198% expression to an image. Use these operators to lighten or darken an image, 3199% to increase or decrease contrast in an image, or to produce the "negative" 3200% of an image. 3201% 3202% The format of the MagickFunctionImage method is: 3203% 3204% MagickBooleanType MagickFunctionImage(MagickWand *wand, 3205% const MagickFunction function,const size_t number_arguments, 3206% const double *arguments) 3207% 3208% A description of each parameter follows: 3209% 3210% o wand: the magick wand. 3211% 3212% o function: the image function. 3213% 3214% o number_arguments: the number of function arguments. 3215% 3216% o arguments: the function arguments. 3217% 3218*/ 3219WandExport MagickBooleanType MagickFunctionImage(MagickWand *wand, 3220 const MagickFunction function,const size_t number_arguments, 3221 const double *arguments) 3222{ 3223 MagickBooleanType 3224 status; 3225 3226 assert(wand != (MagickWand *) NULL); 3227 assert(wand->signature == WandSignature); 3228 if (wand->debug != MagickFalse) 3229 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3230 if (wand->images == (Image *) NULL) 3231 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3232 status=FunctionImage(wand->images,function,number_arguments,arguments, 3233 &wand->images->exception); 3234 return(status); 3235} 3236 3237/* 3238%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3239% % 3240% % 3241% % 3242% M a g i c k F x I m a g e % 3243% % 3244% % 3245% % 3246%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3247% 3248% MagickFxImage() evaluate expression for each pixel in the image. 3249% 3250% The format of the MagickFxImage method is: 3251% 3252% MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3253% 3254% A description of each parameter follows: 3255% 3256% o wand: the magick wand. 3257% 3258% o expression: the expression. 3259% 3260*/ 3261WandExport MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3262{ 3263 Image 3264 *fx_image; 3265 3266 assert(wand != (MagickWand *) NULL); 3267 assert(wand->signature == WandSignature); 3268 if (wand->debug != MagickFalse) 3269 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3270 if (wand->images == (Image *) NULL) 3271 return((MagickWand *) NULL); 3272 fx_image=FxImage(wand->images,expression,wand->exception); 3273 if (fx_image == (Image *) NULL) 3274 return((MagickWand *) NULL); 3275 return(CloneMagickWandFromImages(wand,fx_image)); 3276} 3277 3278/* 3279%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3280% % 3281% % 3282% % 3283% M a g i c k G a m m a I m a g e % 3284% % 3285% % 3286% % 3287%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3288% 3289% MagickGammaImage() gamma-corrects an image. The same image viewed on 3290% different devices will have perceptual differences in the way the image's 3291% intensities are represented on the screen. Specify individual gamma levels 3292% for the red, green, and blue channels, or adjust all three with the gamma 3293% parameter. Values typically range from 0.8 to 2.3. 3294% 3295% You can also reduce the influence of a particular channel with a gamma 3296% value of 0. 3297% 3298% The format of the MagickGammaImage method is: 3299% 3300% MagickBooleanType MagickGammaImage(MagickWand *wand,const double gamma) 3301% 3302% A description of each parameter follows: 3303% 3304% o wand: the magick wand. 3305% 3306% o level: Define the level of gamma correction. 3307% 3308*/ 3309WandExport MagickBooleanType MagickGammaImage(MagickWand *wand, 3310 const double gamma) 3311{ 3312 MagickBooleanType 3313 status; 3314 3315 assert(wand != (MagickWand *) NULL); 3316 assert(wand->signature == WandSignature); 3317 if (wand->debug != MagickFalse) 3318 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3319 if (wand->images == (Image *) NULL) 3320 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3321 status=GammaImage(wand->images,gamma,wand->exception); 3322 return(status); 3323} 3324 3325/* 3326%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3327% % 3328% % 3329% % 3330% M a g i c k G a u s s i a n B l u r I m a g e % 3331% % 3332% % 3333% % 3334%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3335% 3336% MagickGaussianBlurImage() blurs an image. We convolve the image with a 3337% Gaussian operator of the given radius and standard deviation (sigma). 3338% For reasonable results, the radius should be larger than sigma. Use a 3339% radius of 0 and MagickGaussianBlurImage() selects a suitable radius for you. 3340% 3341% The format of the MagickGaussianBlurImage method is: 3342% 3343% MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3344% const double radius,const double sigma,const double bias) 3345% 3346% A description of each parameter follows: 3347% 3348% o wand: the magick wand. 3349% 3350% o radius: the radius of the Gaussian, in pixels, not counting the center 3351% pixel. 3352% 3353% o sigma: the standard deviation of the Gaussian, in pixels. 3354% 3355% o bias: the bias. 3356% 3357*/ 3358WandExport MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3359 const double radius,const double sigma,const double bias) 3360{ 3361 Image 3362 *blur_image; 3363 3364 assert(wand != (MagickWand *) NULL); 3365 assert(wand->signature == WandSignature); 3366 if (wand->debug != MagickFalse) 3367 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3368 if (wand->images == (Image *) NULL) 3369 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3370 blur_image=GaussianBlurImage(wand->images,radius,sigma,bias,wand->exception); 3371 if (blur_image == (Image *) NULL) 3372 return(MagickFalse); 3373 ReplaceImageInList(&wand->images,blur_image); 3374 return(MagickTrue); 3375} 3376 3377/* 3378%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3379% % 3380% % 3381% % 3382% M a g i c k G e t I m a g e % 3383% % 3384% % 3385% % 3386%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3387% 3388% MagickGetImage() gets the image at the current image index. 3389% 3390% The format of the MagickGetImage method is: 3391% 3392% MagickWand *MagickGetImage(MagickWand *wand) 3393% 3394% A description of each parameter follows: 3395% 3396% o wand: the magick wand. 3397% 3398*/ 3399WandExport MagickWand *MagickGetImage(MagickWand *wand) 3400{ 3401 Image 3402 *image; 3403 3404 assert(wand != (MagickWand *) NULL); 3405 assert(wand->signature == WandSignature); 3406 if (wand->debug != MagickFalse) 3407 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3408 if (wand->images == (Image *) NULL) 3409 { 3410 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3411 "ContainsNoImages","`%s'",wand->name); 3412 return((MagickWand *) NULL); 3413 } 3414 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 3415 if (image == (Image *) NULL) 3416 return((MagickWand *) NULL); 3417 return(CloneMagickWandFromImages(wand,image)); 3418} 3419 3420/* 3421%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3422% % 3423% % 3424% % 3425% 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 % 3426% % 3427% % 3428% % 3429%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3430% 3431% MagickGetImageAlphaChannel() returns MagickFalse if the image alpha channel 3432% is not activated. That is, the image is RGB rather than RGBA or CMYK rather 3433% than CMYKA. 3434% 3435% The format of the MagickGetImageAlphaChannel method is: 3436% 3437% size_t MagickGetImageAlphaChannel(MagickWand *wand) 3438% 3439% A description of each parameter follows: 3440% 3441% o wand: the magick wand. 3442% 3443*/ 3444WandExport MagickBooleanType MagickGetImageAlphaChannel(MagickWand *wand) 3445{ 3446 assert(wand != (MagickWand *) NULL); 3447 assert(wand->signature == WandSignature); 3448 if (wand->debug != MagickFalse) 3449 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3450 if (wand->images == (Image *) NULL) 3451 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3452 return(GetImageAlphaChannel(wand->images)); 3453} 3454 3455/* 3456%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3457% % 3458% % 3459% % 3460% M a g i c k G e t I m a g e C l i p M a s k % 3461% % 3462% % 3463% % 3464%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3465% 3466% MagickGetImageClipMask() gets the image clip mask at the current image index. 3467% 3468% The format of the MagickGetImageClipMask method is: 3469% 3470% MagickWand *MagickGetImageClipMask(MagickWand *wand) 3471% 3472% A description of each parameter follows: 3473% 3474% o wand: the magick wand. 3475% 3476*/ 3477WandExport MagickWand *MagickGetImageClipMask(MagickWand *wand) 3478{ 3479 Image 3480 *image; 3481 3482 assert(wand != (MagickWand *) NULL); 3483 assert(wand->signature == WandSignature); 3484 if (wand->debug != MagickFalse) 3485 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3486 if (wand->images == (Image *) NULL) 3487 { 3488 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3489 "ContainsNoImages","`%s'",wand->name); 3490 return((MagickWand *) NULL); 3491 } 3492 image=GetImageClipMask(wand->images,wand->exception); 3493 if (image == (Image *) NULL) 3494 return((MagickWand *) NULL); 3495 return(CloneMagickWandFromImages(wand,image)); 3496} 3497 3498/* 3499%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3500% % 3501% % 3502% % 3503% 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 % 3504% % 3505% % 3506% % 3507%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3508% 3509% MagickGetImageBackgroundColor() returns the image background color. 3510% 3511% The format of the MagickGetImageBackgroundColor method is: 3512% 3513% MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3514% PixelWand *background_color) 3515% 3516% A description of each parameter follows: 3517% 3518% o wand: the magick wand. 3519% 3520% o background_color: Return the background color. 3521% 3522*/ 3523WandExport MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3524 PixelWand *background_color) 3525{ 3526 assert(wand != (MagickWand *) NULL); 3527 assert(wand->signature == WandSignature); 3528 if (wand->debug != MagickFalse) 3529 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3530 if (wand->images == (Image *) NULL) 3531 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3532 PixelSetQuantumPacket(background_color,&wand->images->background_color); 3533 return(MagickTrue); 3534} 3535 3536/* 3537%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3538% % 3539% % 3540% % 3541% M a g i c k G e t I m a g e B l o b % 3542% % 3543% % 3544% % 3545%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3546% 3547% MagickGetImageBlob() implements direct to memory image formats. It returns 3548% the image as a blob (a formatted "file" in memory) and its length, starting 3549% from the current position in the image sequence. Use MagickSetImageFormat() 3550% to set the format to write to the blob (GIF, JPEG, PNG, etc.). 3551% 3552% Utilize MagickResetIterator() to ensure the write is from the beginning of 3553% the image sequence. 3554% 3555% Use MagickRelinquishMemory() to free the blob when you are done with it. 3556% 3557% The format of the MagickGetImageBlob method is: 3558% 3559% unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3560% 3561% A description of each parameter follows: 3562% 3563% o wand: the magick wand. 3564% 3565% o length: the length of the blob. 3566% 3567*/ 3568WandExport unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3569{ 3570 assert(wand != (MagickWand *) NULL); 3571 assert(wand->signature == WandSignature); 3572 if (wand->debug != MagickFalse) 3573 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3574 if (wand->images == (Image *) NULL) 3575 { 3576 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3577 "ContainsNoImages","`%s'",wand->name); 3578 return((unsigned char *) NULL); 3579 } 3580 return(ImageToBlob(wand->image_info,wand->images,length,wand->exception)); 3581} 3582 3583/* 3584%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3585% % 3586% % 3587% % 3588% M a g i c k G e t I m a g e s B l o b % 3589% % 3590% % 3591% % 3592%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3593% 3594% MagickGetImageBlob() implements direct to memory image formats. It 3595% returns the image sequence as a blob and its length. The format of the image 3596% determines the format of the returned blob (GIF, JPEG, PNG, etc.). To 3597% return a different image format, use MagickSetImageFormat(). 3598% 3599% Note, some image formats do not permit multiple images to the same image 3600% stream (e.g. JPEG). in this instance, just the first image of the 3601% sequence is returned as a blob. 3602% 3603% The format of the MagickGetImagesBlob method is: 3604% 3605% unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3606% 3607% A description of each parameter follows: 3608% 3609% o wand: the magick wand. 3610% 3611% o length: the length of the blob. 3612% 3613*/ 3614WandExport unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3615{ 3616 unsigned char 3617 *blob; 3618 3619 assert(wand != (MagickWand *) NULL); 3620 assert(wand->signature == WandSignature); 3621 if (wand->debug != MagickFalse) 3622 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3623 if (wand->images == (Image *) NULL) 3624 { 3625 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3626 "ContainsNoImages","`%s'",wand->name); 3627 return((unsigned char *) NULL); 3628 } 3629 blob=ImagesToBlob(wand->image_info,GetFirstImageInList(wand->images),length, 3630 wand->exception); 3631 return(blob); 3632} 3633 3634/* 3635%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3636% % 3637% % 3638% % 3639% 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 % 3640% % 3641% % 3642% % 3643%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3644% 3645% MagickGetImageBluePrimary() returns the chromaticy blue primary point for the 3646% image. 3647% 3648% The format of the MagickGetImageBluePrimary method is: 3649% 3650% MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand,double *x, 3651% double *y) 3652% 3653% A description of each parameter follows: 3654% 3655% o wand: the magick wand. 3656% 3657% o x: the chromaticity blue primary x-point. 3658% 3659% o y: the chromaticity blue primary y-point. 3660% 3661*/ 3662WandExport MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand, 3663 double *x,double *y) 3664{ 3665 assert(wand != (MagickWand *) NULL); 3666 assert(wand->signature == WandSignature); 3667 if (wand->debug != MagickFalse) 3668 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3669 if (wand->images == (Image *) NULL) 3670 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3671 *x=wand->images->chromaticity.blue_primary.x; 3672 *y=wand->images->chromaticity.blue_primary.y; 3673 return(MagickTrue); 3674} 3675 3676/* 3677%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3678% % 3679% % 3680% % 3681% 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 % 3682% % 3683% % 3684% % 3685%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3686% 3687% MagickGetImageBorderColor() returns the image border color. 3688% 3689% The format of the MagickGetImageBorderColor method is: 3690% 3691% MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3692% PixelWand *border_color) 3693% 3694% A description of each parameter follows: 3695% 3696% o wand: the magick wand. 3697% 3698% o border_color: Return the border color. 3699% 3700*/ 3701WandExport MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3702 PixelWand *border_color) 3703{ 3704 assert(wand != (MagickWand *) NULL); 3705 assert(wand->signature == WandSignature); 3706 if (wand->debug != MagickFalse) 3707 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3708 if (wand->images == (Image *) NULL) 3709 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3710 PixelSetQuantumPacket(border_color,&wand->images->border_color); 3711 return(MagickTrue); 3712} 3713 3714/* 3715%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3716% % 3717% % 3718% % 3719% M a g i c k G e t I m a g e F e a t u r e s % 3720% % 3721% % 3722% % 3723%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3724% 3725% MagickGetImageFeatures() returns features for each channel in the 3726% image in each of four directions (horizontal, vertical, left and right 3727% diagonals) for the specified distance. The features include the angular 3728% second moment, contrast, correlation, sum of squares: variance, inverse 3729% difference moment, sum average, sum varience, sum entropy, entropy, 3730% difference variance, difference entropy, information measures of 3731% correlation 1, information measures of correlation 2, and maximum 3732% correlation coefficient. You can access the red channel contrast, for 3733% example, like this: 3734% 3735% channel_features=MagickGetImageFeatures(wand,1); 3736% contrast=channel_features[RedChannel].contrast[0]; 3737% 3738% Use MagickRelinquishMemory() to free the statistics buffer. 3739% 3740% The format of the MagickGetImageFeatures method is: 3741% 3742% ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 3743% const size_t distance) 3744% 3745% A description of each parameter follows: 3746% 3747% o wand: the magick wand. 3748% 3749% o distance: the distance. 3750% 3751*/ 3752WandExport ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 3753 const size_t distance) 3754{ 3755 assert(wand != (MagickWand *) NULL); 3756 assert(wand->signature == WandSignature); 3757 if (wand->debug != MagickFalse) 3758 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3759 if (wand->images == (Image *) NULL) 3760 { 3761 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3762 "ContainsNoImages","`%s'",wand->name); 3763 return((ChannelFeatures *) NULL); 3764 } 3765 return(GetImageFeatures(wand->images,distance,wand->exception)); 3766} 3767 3768/* 3769%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3770% % 3771% % 3772% % 3773% M a g i c k G e t I m a g e K u r t o s i s % 3774% % 3775% % 3776% % 3777%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3778% 3779% MagickGetImageKurtosis() gets the kurtosis and skewness of one or 3780% more image channels. 3781% 3782% The format of the MagickGetImageKurtosis method is: 3783% 3784% MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 3785% double *kurtosis,double *skewness) 3786% 3787% A description of each parameter follows: 3788% 3789% o wand: the magick wand. 3790% 3791% o kurtosis: The kurtosis for the specified channel(s). 3792% 3793% o skewness: The skewness for the specified channel(s). 3794% 3795*/ 3796WandExport MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 3797 double *kurtosis,double *skewness) 3798{ 3799 MagickBooleanType 3800 status; 3801 3802 assert(wand != (MagickWand *) NULL); 3803 assert(wand->signature == WandSignature); 3804 if (wand->debug != MagickFalse) 3805 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3806 if (wand->images == (Image *) NULL) 3807 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3808 status=GetImageKurtosis(wand->images,kurtosis,skewness,wand->exception); 3809 return(status); 3810} 3811 3812/* 3813%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3814% % 3815% % 3816% % 3817% M a g i c k G e t I m a g e M e a n % 3818% % 3819% % 3820% % 3821%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3822% 3823% MagickGetImageMean() gets the mean and standard deviation of one or more 3824% image channels. 3825% 3826% The format of the MagickGetImageMean method is: 3827% 3828% MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 3829% double *standard_deviation) 3830% 3831% A description of each parameter follows: 3832% 3833% o wand: the magick wand. 3834% 3835% o channel: the image channel(s). 3836% 3837% o mean: The mean pixel value for the specified channel(s). 3838% 3839% o standard_deviation: The standard deviation for the specified channel(s). 3840% 3841*/ 3842WandExport MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 3843 double *standard_deviation) 3844{ 3845 MagickBooleanType 3846 status; 3847 3848 assert(wand != (MagickWand *) NULL); 3849 assert(wand->signature == WandSignature); 3850 if (wand->debug != MagickFalse) 3851 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3852 if (wand->images == (Image *) NULL) 3853 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3854 status=GetImageMean(wand->images,mean,standard_deviation,wand->exception); 3855 return(status); 3856} 3857 3858/* 3859%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3860% % 3861% % 3862% % 3863% M a g i c k G e t I m a g e R a n g e % 3864% % 3865% % 3866% % 3867%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3868% 3869% MagickGetImageRange() gets the range for one or more image channels. 3870% 3871% The format of the MagickGetImageRange method is: 3872% 3873% MagickBooleanType MagickGetImageRange(MagickWand *wand,double *minima, 3874% double *maxima) 3875% 3876% A description of each parameter follows: 3877% 3878% o wand: the magick wand. 3879% 3880% o minima: The minimum pixel value for the specified channel(s). 3881% 3882% o maxima: The maximum pixel value for the specified channel(s). 3883% 3884*/ 3885WandExport MagickBooleanType MagickGetImageRange(MagickWand *wand, 3886 double *minima,double *maxima) 3887{ 3888 MagickBooleanType 3889 status; 3890 3891 assert(wand != (MagickWand *) NULL); 3892 assert(wand->signature == WandSignature); 3893 if (wand->debug != MagickFalse) 3894 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3895 if (wand->images == (Image *) NULL) 3896 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3897 status=GetImageRange(wand->images,minima,maxima,wand->exception); 3898 return(status); 3899} 3900 3901/* 3902%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3903% % 3904% % 3905% % 3906% M a g i c k G e t I m a g e S t a t i s t i c s % 3907% % 3908% % 3909% % 3910%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3911% 3912% MagickGetImageStatistics() returns statistics for each channel in the 3913% image. The statistics include the channel depth, its minima and 3914% maxima, the mean, the standard deviation, the kurtosis and the skewness. 3915% You can access the red channel mean, for example, like this: 3916% 3917% channel_statistics=MagickGetImageStatistics(wand); 3918% red_mean=channel_statistics[RedChannel].mean; 3919% 3920% Use MagickRelinquishMemory() to free the statistics buffer. 3921% 3922% The format of the MagickGetImageStatistics method is: 3923% 3924% ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 3925% 3926% A description of each parameter follows: 3927% 3928% o wand: the magick wand. 3929% 3930*/ 3931WandExport ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 3932{ 3933 assert(wand != (MagickWand *) NULL); 3934 assert(wand->signature == WandSignature); 3935 if (wand->debug != MagickFalse) 3936 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3937 if (wand->images == (Image *) NULL) 3938 { 3939 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3940 "ContainsNoImages","`%s'",wand->name); 3941 return((ChannelStatistics *) NULL); 3942 } 3943 return(GetImageStatistics(wand->images,wand->exception)); 3944} 3945 3946/* 3947%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3948% % 3949% % 3950% % 3951% 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 % 3952% % 3953% % 3954% % 3955%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3956% 3957% MagickGetImageColormapColor() returns the color of the specified colormap 3958% index. 3959% 3960% The format of the MagickGetImageColormapColor method is: 3961% 3962% MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 3963% const size_t index,PixelWand *color) 3964% 3965% A description of each parameter follows: 3966% 3967% o wand: the magick wand. 3968% 3969% o index: the offset into the image colormap. 3970% 3971% o color: Return the colormap color in this wand. 3972% 3973*/ 3974WandExport MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 3975 const size_t index,PixelWand *color) 3976{ 3977 assert(wand != (MagickWand *) NULL); 3978 assert(wand->signature == WandSignature); 3979 if (wand->debug != MagickFalse) 3980 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3981 if (wand->images == (Image *) NULL) 3982 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3983 if ((wand->images->colormap == (PixelPacket *) NULL) || 3984 (index >= wand->images->colors)) 3985 { 3986 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3987 "InvalidColormapIndex","`%s'",wand->name); 3988 return(MagickFalse); 3989 } 3990 PixelSetQuantumPacket(color,wand->images->colormap+index); 3991 return(MagickTrue); 3992} 3993 3994/* 3995%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3996% % 3997% % 3998% % 3999% M a g i c k G e t I m a g e C o l o r s % 4000% % 4001% % 4002% % 4003%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4004% 4005% MagickGetImageColors() gets the number of unique colors in the image. 4006% 4007% The format of the MagickGetImageColors method is: 4008% 4009% size_t MagickGetImageColors(MagickWand *wand) 4010% 4011% A description of each parameter follows: 4012% 4013% o wand: the magick wand. 4014% 4015*/ 4016WandExport size_t MagickGetImageColors(MagickWand *wand) 4017{ 4018 assert(wand != (MagickWand *) NULL); 4019 assert(wand->signature == WandSignature); 4020 if (wand->debug != MagickFalse) 4021 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4022 if (wand->images == (Image *) NULL) 4023 { 4024 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4025 "ContainsNoImages","`%s'",wand->name); 4026 return(0); 4027 } 4028 return(GetNumberColors(wand->images,(FILE *) NULL,wand->exception)); 4029} 4030 4031/* 4032%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4033% % 4034% % 4035% % 4036% M a g i c k G e t I m a g e C o l o r s p a c e % 4037% % 4038% % 4039% % 4040%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4041% 4042% MagickGetImageColorspace() gets the image colorspace. 4043% 4044% The format of the MagickGetImageColorspace method is: 4045% 4046% ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4047% 4048% A description of each parameter follows: 4049% 4050% o wand: the magick wand. 4051% 4052*/ 4053WandExport ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4054{ 4055 assert(wand != (MagickWand *) NULL); 4056 assert(wand->signature == WandSignature); 4057 if (wand->debug != MagickFalse) 4058 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4059 if (wand->images == (Image *) NULL) 4060 { 4061 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4062 "ContainsNoImages","`%s'",wand->name); 4063 return(UndefinedColorspace); 4064 } 4065 return(wand->images->colorspace); 4066} 4067 4068/* 4069%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4070% % 4071% % 4072% % 4073% M a g i c k G e t I m a g e C o m p o s e % 4074% % 4075% % 4076% % 4077%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4078% 4079% MagickGetImageCompose() returns the composite operator associated with the 4080% image. 4081% 4082% The format of the MagickGetImageCompose method is: 4083% 4084% CompositeOperator MagickGetImageCompose(MagickWand *wand) 4085% 4086% A description of each parameter follows: 4087% 4088% o wand: the magick wand. 4089% 4090*/ 4091WandExport CompositeOperator MagickGetImageCompose(MagickWand *wand) 4092{ 4093 assert(wand != (MagickWand *) NULL); 4094 assert(wand->signature == WandSignature); 4095 if (wand->debug != MagickFalse) 4096 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4097 if (wand->images == (Image *) NULL) 4098 { 4099 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4100 "ContainsNoImages","`%s'",wand->name); 4101 return(UndefinedCompositeOp); 4102 } 4103 return(wand->images->compose); 4104} 4105 4106/* 4107%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4108% % 4109% % 4110% % 4111% 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 % 4112% % 4113% % 4114% % 4115%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4116% 4117% MagickGetImageCompression() gets the image compression. 4118% 4119% The format of the MagickGetImageCompression method is: 4120% 4121% CompressionType MagickGetImageCompression(MagickWand *wand) 4122% 4123% A description of each parameter follows: 4124% 4125% o wand: the magick wand. 4126% 4127*/ 4128WandExport CompressionType MagickGetImageCompression(MagickWand *wand) 4129{ 4130 assert(wand != (MagickWand *) NULL); 4131 assert(wand->signature == WandSignature); 4132 if (wand->debug != MagickFalse) 4133 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4134 if (wand->images == (Image *) NULL) 4135 { 4136 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4137 "ContainsNoImages","`%s'",wand->name); 4138 return(UndefinedCompression); 4139 } 4140 return(wand->images->compression); 4141} 4142 4143/* 4144%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4145% % 4146% % 4147% % 4148% 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 % 4149% % 4150% % 4151% % 4152%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4153% 4154% MagickGetImageCompression() gets the image compression quality. 4155% 4156% The format of the MagickGetImageCompression method is: 4157% 4158% size_t MagickGetImageCompression(MagickWand *wand) 4159% 4160% A description of each parameter follows: 4161% 4162% o wand: the magick wand. 4163% 4164*/ 4165WandExport size_t MagickGetImageCompressionQuality(MagickWand *wand) 4166{ 4167 assert(wand != (MagickWand *) NULL); 4168 assert(wand->signature == WandSignature); 4169 if (wand->debug != MagickFalse) 4170 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4171 if (wand->images == (Image *) NULL) 4172 { 4173 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4174 "ContainsNoImages","`%s'",wand->name); 4175 return(0UL); 4176 } 4177 return(wand->images->quality); 4178} 4179 4180/* 4181%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4182% % 4183% % 4184% % 4185% M a g i c k G e t I m a g e D e l a y % 4186% % 4187% % 4188% % 4189%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4190% 4191% MagickGetImageDelay() gets the image delay. 4192% 4193% The format of the MagickGetImageDelay method is: 4194% 4195% size_t MagickGetImageDelay(MagickWand *wand) 4196% 4197% A description of each parameter follows: 4198% 4199% o wand: the magick wand. 4200% 4201*/ 4202WandExport size_t MagickGetImageDelay(MagickWand *wand) 4203{ 4204 assert(wand != (MagickWand *) NULL); 4205 assert(wand->signature == WandSignature); 4206 if (wand->debug != MagickFalse) 4207 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4208 if (wand->images == (Image *) NULL) 4209 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4210 return(wand->images->delay); 4211} 4212 4213/* 4214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4215% % 4216% % 4217% % 4218% M a g i c k G e t I m a g e D e p t h % 4219% % 4220% % 4221% % 4222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4223% 4224% MagickGetImageDepth() gets the image depth. 4225% 4226% The format of the MagickGetImageDepth method is: 4227% 4228% size_t MagickGetImageDepth(MagickWand *wand) 4229% 4230% A description of each parameter follows: 4231% 4232% o wand: the magick wand. 4233% 4234*/ 4235WandExport size_t MagickGetImageDepth(MagickWand *wand) 4236{ 4237 assert(wand != (MagickWand *) NULL); 4238 assert(wand->signature == WandSignature); 4239 if (wand->debug != MagickFalse) 4240 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4241 if (wand->images == (Image *) NULL) 4242 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4243 return(GetImageDepth(wand->images,wand->exception)); 4244} 4245 4246/* 4247%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4248% % 4249% % 4250% % 4251% M a g i c k G e t I m a g e D i s p o s e % 4252% % 4253% % 4254% % 4255%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4256% 4257% MagickGetImageDispose() gets the image disposal method. 4258% 4259% The format of the MagickGetImageDispose method is: 4260% 4261% DisposeType MagickGetImageDispose(MagickWand *wand) 4262% 4263% A description of each parameter follows: 4264% 4265% o wand: the magick wand. 4266% 4267*/ 4268WandExport DisposeType MagickGetImageDispose(MagickWand *wand) 4269{ 4270 assert(wand != (MagickWand *) NULL); 4271 assert(wand->signature == WandSignature); 4272 if (wand->debug != MagickFalse) 4273 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4274 if (wand->images == (Image *) NULL) 4275 { 4276 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4277 "ContainsNoImages","`%s'",wand->name); 4278 return(UndefinedDispose); 4279 } 4280 return((DisposeType) wand->images->dispose); 4281} 4282 4283/* 4284%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4285% % 4286% % 4287% % 4288% M a g i c k G e t I m a g e D i s t o r t i o n % 4289% % 4290% % 4291% % 4292%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4293% 4294% MagickGetImageDistortion() compares an image to a reconstructed image and 4295% returns the specified distortion metric. 4296% 4297% The format of the MagickGetImageDistortion method is: 4298% 4299% MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4300% const MagickWand *reference,const MetricType metric, 4301% double *distortion) 4302% 4303% A description of each parameter follows: 4304% 4305% o wand: the magick wand. 4306% 4307% o reference: the reference wand. 4308% 4309% o metric: the metric. 4310% 4311% o distortion: the computed distortion between the images. 4312% 4313*/ 4314WandExport MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4315 const MagickWand *reference,const MetricType metric,double *distortion) 4316{ 4317 MagickBooleanType 4318 status; 4319 4320 assert(wand != (MagickWand *) NULL); 4321 assert(wand->signature == WandSignature); 4322 if (wand->debug != MagickFalse) 4323 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4324 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4325 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4326 status=GetImageDistortion(wand->images,reference->images,metric,distortion, 4327 &wand->images->exception); 4328 return(status); 4329} 4330 4331/* 4332%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4333% % 4334% % 4335% % 4336% 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 % 4337% % 4338% % 4339% % 4340%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4341% 4342% MagickGetImageDistortions() compares one or more pixel channels of an 4343% image to a reconstructed image and returns the specified distortion metrics. 4344% 4345% Use MagickRelinquishMemory() to free the metrics when you are done with them. 4346% 4347% The format of the MagickGetImageDistortion method is: 4348% 4349% double *MagickGetImageDistortion(MagickWand *wand, 4350% const MagickWand *reference,const MetricType metric) 4351% 4352% A description of each parameter follows: 4353% 4354% o wand: the magick wand. 4355% 4356% o reference: the reference wand. 4357% 4358% o metric: the metric. 4359% 4360*/ 4361WandExport double *MagickGetImageDistortions(MagickWand *wand, 4362 const MagickWand *reference,const MetricType metric) 4363{ 4364 double 4365 *channel_distortion; 4366 4367 assert(wand != (MagickWand *) NULL); 4368 assert(wand->signature == WandSignature); 4369 if (wand->debug != MagickFalse) 4370 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4371 assert(reference != (MagickWand *) NULL); 4372 assert(reference->signature == WandSignature); 4373 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4374 { 4375 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4376 "ContainsNoImages","`%s'",wand->name); 4377 return((double *) NULL); 4378 } 4379 channel_distortion=GetImageDistortions(wand->images,reference->images, 4380 metric,&wand->images->exception); 4381 return(channel_distortion); 4382} 4383 4384/* 4385%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4386% % 4387% % 4388% % 4389% M a g i c k G e t I m a g e F i l e n a m e % 4390% % 4391% % 4392% % 4393%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4394% 4395% MagickGetImageFilename() returns the filename of a particular image in a 4396% sequence. 4397% 4398% The format of the MagickGetImageFilename method is: 4399% 4400% char *MagickGetImageFilename(MagickWand *wand) 4401% 4402% A description of each parameter follows: 4403% 4404% o wand: the magick wand. 4405% 4406*/ 4407WandExport char *MagickGetImageFilename(MagickWand *wand) 4408{ 4409 assert(wand != (MagickWand *) NULL); 4410 assert(wand->signature == WandSignature); 4411 if (wand->debug != MagickFalse) 4412 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4413 if (wand->images == (Image *) NULL) 4414 { 4415 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4416 "ContainsNoImages","`%s'",wand->name); 4417 return((char *) NULL); 4418 } 4419 return(AcquireString(wand->images->filename)); 4420} 4421 4422/* 4423%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4424% % 4425% % 4426% % 4427% M a g i c k G e t I m a g e F o r m a t % 4428% % 4429% % 4430% % 4431%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4432% 4433% MagickGetImageFormat() returns the format of a particular image in a 4434% sequence. 4435% 4436% The format of the MagickGetImageFormat method is: 4437% 4438% const char *MagickGetImageFormat(MagickWand *wand) 4439% 4440% A description of each parameter follows: 4441% 4442% o wand: the magick wand. 4443% 4444*/ 4445WandExport char *MagickGetImageFormat(MagickWand *wand) 4446{ 4447 assert(wand != (MagickWand *) NULL); 4448 assert(wand->signature == WandSignature); 4449 if (wand->debug != MagickFalse) 4450 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4451 if (wand->images == (Image *) NULL) 4452 { 4453 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4454 "ContainsNoImages","`%s'",wand->name); 4455 return((char *) NULL); 4456 } 4457 return(AcquireString(wand->images->magick)); 4458} 4459 4460/* 4461%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4462% % 4463% % 4464% % 4465% M a g i c k G e t I m a g e F u z z % 4466% % 4467% % 4468% % 4469%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4470% 4471% MagickGetImageFuzz() gets the image fuzz. 4472% 4473% The format of the MagickGetImageFuzz method is: 4474% 4475% double MagickGetImageFuzz(MagickWand *wand) 4476% 4477% A description of each parameter follows: 4478% 4479% o wand: the magick wand. 4480% 4481*/ 4482WandExport double MagickGetImageFuzz(MagickWand *wand) 4483{ 4484 assert(wand != (MagickWand *) NULL); 4485 assert(wand->signature == WandSignature); 4486 if (wand->debug != MagickFalse) 4487 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4488 if (wand->images == (Image *) NULL) 4489 { 4490 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4491 "ContainsNoImages","`%s'",wand->name); 4492 return(0.0); 4493 } 4494 return(wand->images->fuzz); 4495} 4496 4497/* 4498%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4499% % 4500% % 4501% % 4502% M a g i c k G e t I m a g e G a m m a % 4503% % 4504% % 4505% % 4506%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4507% 4508% MagickGetImageGamma() gets the image gamma. 4509% 4510% The format of the MagickGetImageGamma method is: 4511% 4512% double MagickGetImageGamma(MagickWand *wand) 4513% 4514% A description of each parameter follows: 4515% 4516% o wand: the magick wand. 4517% 4518*/ 4519WandExport double MagickGetImageGamma(MagickWand *wand) 4520{ 4521 assert(wand != (MagickWand *) NULL); 4522 assert(wand->signature == WandSignature); 4523 if (wand->debug != MagickFalse) 4524 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4525 if (wand->images == (Image *) NULL) 4526 { 4527 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4528 "ContainsNoImages","`%s'",wand->name); 4529 return(0.0); 4530 } 4531 return(wand->images->gamma); 4532} 4533 4534/* 4535%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4536% % 4537% % 4538% % 4539% 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 % 4540% % 4541% % 4542% % 4543%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4544% 4545% MagickGetImageGravity() gets the image gravity. 4546% 4547% The format of the MagickGetImageGravity method is: 4548% 4549% GravityType MagickGetImageGravity(MagickWand *wand) 4550% 4551% A description of each parameter follows: 4552% 4553% o wand: the magick wand. 4554% 4555*/ 4556WandExport GravityType MagickGetImageGravity(MagickWand *wand) 4557{ 4558 assert(wand != (MagickWand *) NULL); 4559 assert(wand->signature == WandSignature); 4560 if (wand->debug != MagickFalse) 4561 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4562 if (wand->images == (Image *) NULL) 4563 { 4564 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4565 "ContainsNoImages","`%s'",wand->name); 4566 return(UndefinedGravity); 4567 } 4568 return(wand->images->gravity); 4569} 4570 4571/* 4572%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4573% % 4574% % 4575% % 4576% 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 % 4577% % 4578% % 4579% % 4580%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4581% 4582% MagickGetImageGreenPrimary() returns the chromaticy green primary point. 4583% 4584% The format of the MagickGetImageGreenPrimary method is: 4585% 4586% MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand,double *x, 4587% double *y) 4588% 4589% A description of each parameter follows: 4590% 4591% o wand: the magick wand. 4592% 4593% o x: the chromaticity green primary x-point. 4594% 4595% o y: the chromaticity green primary y-point. 4596% 4597*/ 4598WandExport MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand, 4599 double *x,double *y) 4600{ 4601 assert(wand != (MagickWand *) NULL); 4602 assert(wand->signature == WandSignature); 4603 if (wand->debug != MagickFalse) 4604 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4605 if (wand->images == (Image *) NULL) 4606 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4607 *x=wand->images->chromaticity.green_primary.x; 4608 *y=wand->images->chromaticity.green_primary.y; 4609 return(MagickTrue); 4610} 4611 4612/* 4613%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4614% % 4615% % 4616% % 4617% M a g i c k G e t I m a g e H e i g h t % 4618% % 4619% % 4620% % 4621%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4622% 4623% MagickGetImageHeight() returns the image height. 4624% 4625% The format of the MagickGetImageHeight method is: 4626% 4627% size_t MagickGetImageHeight(MagickWand *wand) 4628% 4629% A description of each parameter follows: 4630% 4631% o wand: the magick wand. 4632% 4633*/ 4634WandExport size_t MagickGetImageHeight(MagickWand *wand) 4635{ 4636 assert(wand != (MagickWand *) NULL); 4637 assert(wand->signature == WandSignature); 4638 if (wand->debug != MagickFalse) 4639 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4640 if (wand->images == (Image *) NULL) 4641 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4642 return(wand->images->rows); 4643} 4644 4645/* 4646%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4647% % 4648% % 4649% % 4650% M a g i c k G e t I m a g e H i s t o g r a m % 4651% % 4652% % 4653% % 4654%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4655% 4656% MagickGetImageHistogram() returns the image histogram as an array of 4657% PixelWand wands. 4658% 4659% The format of the MagickGetImageHistogram method is: 4660% 4661% PixelWand **MagickGetImageHistogram(MagickWand *wand, 4662% size_t *number_colors) 4663% 4664% A description of each parameter follows: 4665% 4666% o wand: the magick wand. 4667% 4668% o number_colors: the number of unique colors in the image and the number 4669% of pixel wands returned. 4670% 4671*/ 4672WandExport PixelWand **MagickGetImageHistogram(MagickWand *wand, 4673 size_t *number_colors) 4674{ 4675 PixelPacket 4676 *histogram; 4677 4678 PixelWand 4679 **pixel_wands; 4680 4681 register ssize_t 4682 i; 4683 4684 assert(wand != (MagickWand *) NULL); 4685 assert(wand->signature == WandSignature); 4686 if (wand->debug != MagickFalse) 4687 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4688 if (wand->images == (Image *) NULL) 4689 { 4690 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4691 "ContainsNoImages","`%s'",wand->name); 4692 return((PixelWand **) NULL); 4693 } 4694 histogram=GetImageHistogram(wand->images,number_colors,wand->exception); 4695 if (histogram == (PixelPacket *) NULL) 4696 return((PixelWand **) NULL); 4697 pixel_wands=NewPixelWands(*number_colors); 4698 for (i=0; i < (ssize_t) *number_colors; i++) 4699 { 4700 PixelSetQuantumPacket(pixel_wands[i],&histogram[i]); 4701 PixelSetColorCount(pixel_wands[i],(size_t) histogram[i].count); 4702 } 4703 histogram=(PixelPacket *) RelinquishMagickMemory(histogram); 4704 return(pixel_wands); 4705} 4706 4707/* 4708%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4709% % 4710% % 4711% % 4712% 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 % 4713% % 4714% % 4715% % 4716%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4717% 4718% MagickGetImageInterlaceScheme() gets the image interlace scheme. 4719% 4720% The format of the MagickGetImageInterlaceScheme method is: 4721% 4722% InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 4723% 4724% A description of each parameter follows: 4725% 4726% o wand: the magick wand. 4727% 4728*/ 4729WandExport InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 4730{ 4731 assert(wand != (MagickWand *) NULL); 4732 assert(wand->signature == WandSignature); 4733 if (wand->debug != MagickFalse) 4734 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4735 if (wand->images == (Image *) NULL) 4736 { 4737 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4738 "ContainsNoImages","`%s'",wand->name); 4739 return(UndefinedInterlace); 4740 } 4741 return(wand->images->interlace); 4742} 4743 4744/* 4745%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4746% % 4747% % 4748% % 4749% 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 % 4750% % 4751% % 4752% % 4753%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4754% 4755% MagickGetImageInterpolateMethod() returns the interpolation method for the 4756% sepcified image. 4757% 4758% The format of the MagickGetImageInterpolateMethod method is: 4759% 4760% InterpolatePixelMethod MagickGetImageInterpolateMethod(MagickWand *wand) 4761% 4762% A description of each parameter follows: 4763% 4764% o wand: the magick wand. 4765% 4766*/ 4767WandExport InterpolatePixelMethod MagickGetImageInterpolateMethod( 4768 MagickWand *wand) 4769{ 4770 assert(wand != (MagickWand *) NULL); 4771 assert(wand->signature == WandSignature); 4772 if (wand->debug != MagickFalse) 4773 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4774 if (wand->images == (Image *) NULL) 4775 { 4776 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4777 "ContainsNoImages","`%s'",wand->name); 4778 return(UndefinedInterpolatePixel); 4779 } 4780 return(wand->images->interpolate); 4781} 4782 4783/* 4784%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4785% % 4786% % 4787% % 4788% M a g i c k G e t I m a g e I t e r a t i o n s % 4789% % 4790% % 4791% % 4792%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4793% 4794% MagickGetImageIterations() gets the image iterations. 4795% 4796% The format of the MagickGetImageIterations method is: 4797% 4798% size_t MagickGetImageIterations(MagickWand *wand) 4799% 4800% A description of each parameter follows: 4801% 4802% o wand: the magick wand. 4803% 4804*/ 4805WandExport size_t MagickGetImageIterations(MagickWand *wand) 4806{ 4807 assert(wand != (MagickWand *) NULL); 4808 assert(wand->signature == WandSignature); 4809 if (wand->debug != MagickFalse) 4810 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4811 if (wand->images == (Image *) NULL) 4812 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4813 return(wand->images->iterations); 4814} 4815 4816/* 4817%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4818% % 4819% % 4820% % 4821% M a g i c k G e t I m a g e L e n g t h % 4822% % 4823% % 4824% % 4825%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4826% 4827% MagickGetImageLength() returns the image length in bytes. 4828% 4829% The format of the MagickGetImageLength method is: 4830% 4831% MagickBooleanType MagickGetImageLength(MagickWand *wand, 4832% MagickSizeType *length) 4833% 4834% A description of each parameter follows: 4835% 4836% o wand: the magick wand. 4837% 4838% o length: the image length in bytes. 4839% 4840*/ 4841WandExport MagickBooleanType MagickGetImageLength(MagickWand *wand, 4842 MagickSizeType *length) 4843{ 4844 assert(wand != (MagickWand *) NULL); 4845 assert(wand->signature == WandSignature); 4846 if (wand->debug != MagickFalse) 4847 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4848 if (wand->images == (Image *) NULL) 4849 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4850 *length=GetBlobSize(wand->images); 4851 return(MagickTrue); 4852} 4853 4854/* 4855%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4856% % 4857% % 4858% % 4859% M a g i c k G e t I m a g e M a t t e C o l o r % 4860% % 4861% % 4862% % 4863%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4864% 4865% MagickGetImageMatteColor() returns the image matte color. 4866% 4867% The format of the MagickGetImageMatteColor method is: 4868% 4869% MagickBooleanType MagickGetImagematteColor(MagickWand *wand, 4870% PixelWand *matte_color) 4871% 4872% A description of each parameter follows: 4873% 4874% o wand: the magick wand. 4875% 4876% o matte_color: Return the matte color. 4877% 4878*/ 4879WandExport MagickBooleanType MagickGetImageMatteColor(MagickWand *wand, 4880 PixelWand *matte_color) 4881{ 4882 assert(wand != (MagickWand *) NULL); 4883 assert(wand->signature == WandSignature); 4884 if (wand->debug != MagickFalse) 4885 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4886 if (wand->images == (Image *) NULL) 4887 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4888 PixelSetQuantumPacket(matte_color,&wand->images->matte_color); 4889 return(MagickTrue); 4890} 4891 4892/* 4893%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4894% % 4895% % 4896% % 4897% 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 % 4898% % 4899% % 4900% % 4901%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4902% 4903% MagickGetImageOrientation() returns the image orientation. 4904% 4905% The format of the MagickGetImageOrientation method is: 4906% 4907% OrientationType MagickGetImageOrientation(MagickWand *wand) 4908% 4909% A description of each parameter follows: 4910% 4911% o wand: the magick wand. 4912% 4913*/ 4914WandExport OrientationType MagickGetImageOrientation(MagickWand *wand) 4915{ 4916 assert(wand != (MagickWand *) NULL); 4917 assert(wand->signature == WandSignature); 4918 if (wand->debug != MagickFalse) 4919 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4920 if (wand->images == (Image *) NULL) 4921 { 4922 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4923 "ContainsNoImages","`%s'",wand->name); 4924 return(UndefinedOrientation); 4925 } 4926 return(wand->images->orientation); 4927} 4928 4929/* 4930%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4931% % 4932% % 4933% % 4934% M a g i c k G e t I m a g e P a g e % 4935% % 4936% % 4937% % 4938%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4939% 4940% MagickGetImagePage() returns the page geometry associated with the image. 4941% 4942% The format of the MagickGetImagePage method is: 4943% 4944% MagickBooleanType MagickGetImagePage(MagickWand *wand, 4945% size_t *width,size_t *height,ssize_t *x,ssize_t *y) 4946% 4947% A description of each parameter follows: 4948% 4949% o wand: the magick wand. 4950% 4951% o width: the page width. 4952% 4953% o height: the page height. 4954% 4955% o x: the page x-offset. 4956% 4957% o y: the page y-offset. 4958% 4959*/ 4960WandExport MagickBooleanType MagickGetImagePage(MagickWand *wand, 4961 size_t *width,size_t *height,ssize_t *x,ssize_t *y) 4962{ 4963 assert(wand != (const MagickWand *) NULL); 4964 assert(wand->signature == WandSignature); 4965 if (wand->debug != MagickFalse) 4966 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4967 if (wand->images == (Image *) NULL) 4968 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4969 *width=wand->images->page.width; 4970 *height=wand->images->page.height; 4971 *x=wand->images->page.x; 4972 *y=wand->images->page.y; 4973 return(MagickTrue); 4974} 4975 4976/* 4977%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4978% % 4979% % 4980% % 4981% M a g i c k G e t I m a g e P i x e l C o l o r % 4982% % 4983% % 4984% % 4985%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4986% 4987% MagickGetImagePixelColor() returns the color of the specified pixel. 4988% 4989% The format of the MagickGetImagePixelColor method is: 4990% 4991% MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 4992% const ssize_t x,const ssize_t y,PixelWand *color) 4993% 4994% A description of each parameter follows: 4995% 4996% o wand: the magick wand. 4997% 4998% o x,y: the pixel offset into the image. 4999% 5000% o color: Return the colormap color in this wand. 5001% 5002*/ 5003WandExport MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5004 const ssize_t x,const ssize_t y,PixelWand *color) 5005{ 5006 register const Quantum 5007 *p; 5008 5009 CacheView 5010 *image_view; 5011 5012 assert(wand != (MagickWand *) NULL); 5013 assert(wand->signature == WandSignature); 5014 if (wand->debug != MagickFalse) 5015 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5016 if (wand->images == (Image *) NULL) 5017 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5018 image_view=AcquireCacheView(wand->images); 5019 p=GetCacheViewVirtualPixels(image_view,x,y,1,1,wand->exception); 5020 if (p == (const Quantum *) NULL) 5021 { 5022 image_view=DestroyCacheView(image_view); 5023 return(MagickFalse); 5024 } 5025 PixelSetQuantumPixel(wand->images,p,color); 5026 image_view=DestroyCacheView(image_view); 5027 return(MagickTrue); 5028} 5029 5030/* 5031%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5032% % 5033% % 5034% % 5035% M a g i c k G e t I m a g e R e d P r i m a r y % 5036% % 5037% % 5038% % 5039%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5040% 5041% MagickGetImageRedPrimary() returns the chromaticy red primary point. 5042% 5043% The format of the MagickGetImageRedPrimary method is: 5044% 5045% MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand,double *x, 5046% double *y) 5047% 5048% A description of each parameter follows: 5049% 5050% o wand: the magick wand. 5051% 5052% o x: the chromaticity red primary x-point. 5053% 5054% o y: the chromaticity red primary y-point. 5055% 5056*/ 5057WandExport MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand, 5058 double *x,double *y) 5059{ 5060 assert(wand != (MagickWand *) NULL); 5061 assert(wand->signature == WandSignature); 5062 if (wand->debug != MagickFalse) 5063 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5064 if (wand->images == (Image *) NULL) 5065 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5066 *x=wand->images->chromaticity.red_primary.x; 5067 *y=wand->images->chromaticity.red_primary.y; 5068 return(MagickTrue); 5069} 5070 5071/* 5072%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5073% % 5074% % 5075% % 5076% M a g i c k G e t I m a g e R e g i o n % 5077% % 5078% % 5079% % 5080%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5081% 5082% MagickGetImageRegion() extracts a region of the image and returns it as a 5083% a new wand. 5084% 5085% The format of the MagickGetImageRegion method is: 5086% 5087% MagickWand *MagickGetImageRegion(MagickWand *wand, 5088% const size_t width,const size_t height,const ssize_t x, 5089% const ssize_t y) 5090% 5091% A description of each parameter follows: 5092% 5093% o wand: the magick wand. 5094% 5095% o width: the region width. 5096% 5097% o height: the region height. 5098% 5099% o x: the region x offset. 5100% 5101% o y: the region y offset. 5102% 5103*/ 5104WandExport MagickWand *MagickGetImageRegion(MagickWand *wand, 5105 const size_t width,const size_t height,const ssize_t x, 5106 const ssize_t y) 5107{ 5108 Image 5109 *region_image; 5110 5111 RectangleInfo 5112 region; 5113 5114 assert(wand != (MagickWand *) NULL); 5115 assert(wand->signature == WandSignature); 5116 if (wand->debug != MagickFalse) 5117 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5118 if (wand->images == (Image *) NULL) 5119 return((MagickWand *) NULL); 5120 region.width=width; 5121 region.height=height; 5122 region.x=x; 5123 region.y=y; 5124 region_image=CropImage(wand->images,®ion,wand->exception); 5125 if (region_image == (Image *) NULL) 5126 return((MagickWand *) NULL); 5127 return(CloneMagickWandFromImages(wand,region_image)); 5128} 5129 5130/* 5131%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5132% % 5133% % 5134% % 5135% 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 % 5136% % 5137% % 5138% % 5139%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5140% 5141% MagickGetImageRenderingIntent() gets the image rendering intent. 5142% 5143% The format of the MagickGetImageRenderingIntent method is: 5144% 5145% RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5146% 5147% A description of each parameter follows: 5148% 5149% o wand: the magick wand. 5150% 5151*/ 5152WandExport RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5153{ 5154 assert(wand != (MagickWand *) NULL); 5155 assert(wand->signature == WandSignature); 5156 if (wand->debug != MagickFalse) 5157 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5158 if (wand->images == (Image *) NULL) 5159 { 5160 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5161 "ContainsNoImages","`%s'",wand->name); 5162 return(UndefinedIntent); 5163 } 5164 return((RenderingIntent) wand->images->rendering_intent); 5165} 5166 5167/* 5168%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5169% % 5170% % 5171% % 5172% M a g i c k G e t I m a g e R e s o l u t i o n % 5173% % 5174% % 5175% % 5176%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5177% 5178% MagickGetImageResolution() gets the image X and Y resolution. 5179% 5180% The format of the MagickGetImageResolution method is: 5181% 5182% MagickBooleanType MagickGetImageResolution(MagickWand *wand,double *x, 5183% double *y) 5184% 5185% A description of each parameter follows: 5186% 5187% o wand: the magick wand. 5188% 5189% o x: the image x-resolution. 5190% 5191% o y: the image y-resolution. 5192% 5193*/ 5194WandExport MagickBooleanType MagickGetImageResolution(MagickWand *wand, 5195 double *x,double *y) 5196{ 5197 assert(wand != (MagickWand *) NULL); 5198 assert(wand->signature == WandSignature); 5199 if (wand->debug != MagickFalse) 5200 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5201 if (wand->images == (Image *) NULL) 5202 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5203 *x=wand->images->x_resolution; 5204 *y=wand->images->y_resolution; 5205 return(MagickTrue); 5206} 5207 5208/* 5209%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5210% % 5211% % 5212% % 5213% M a g i c k G e t I m a g e S c e n e % 5214% % 5215% % 5216% % 5217%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5218% 5219% MagickGetImageScene() gets the image scene. 5220% 5221% The format of the MagickGetImageScene method is: 5222% 5223% size_t MagickGetImageScene(MagickWand *wand) 5224% 5225% A description of each parameter follows: 5226% 5227% o wand: the magick wand. 5228% 5229*/ 5230WandExport size_t MagickGetImageScene(MagickWand *wand) 5231{ 5232 assert(wand != (MagickWand *) NULL); 5233 assert(wand->signature == WandSignature); 5234 if (wand->debug != MagickFalse) 5235 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5236 if (wand->images == (Image *) NULL) 5237 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5238 return(wand->images->scene); 5239} 5240 5241/* 5242%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5243% % 5244% % 5245% % 5246% M a g i c k G e t I m a g e S i g n a t u r e % 5247% % 5248% % 5249% % 5250%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5251% 5252% MagickGetImageSignature() generates an SHA-256 message digest for the image 5253% pixel stream. 5254% 5255% The format of the MagickGetImageSignature method is: 5256% 5257% const char MagickGetImageSignature(MagickWand *wand) 5258% 5259% A description of each parameter follows: 5260% 5261% o wand: the magick wand. 5262% 5263*/ 5264WandExport char *MagickGetImageSignature(MagickWand *wand) 5265{ 5266 const char 5267 *value; 5268 5269 MagickBooleanType 5270 status; 5271 5272 assert(wand != (MagickWand *) NULL); 5273 assert(wand->signature == WandSignature); 5274 if (wand->debug != MagickFalse) 5275 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5276 if (wand->images == (Image *) NULL) 5277 { 5278 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5279 "ContainsNoImages","`%s'",wand->name); 5280 return((char *) NULL); 5281 } 5282 status=SignatureImage(wand->images,wand->exception); 5283 if (status == MagickFalse) 5284 return((char *) NULL); 5285 value=GetImageProperty(wand->images,"signature"); 5286 if (value == (const char *) NULL) 5287 return((char *) NULL); 5288 return(AcquireString(value)); 5289} 5290 5291/* 5292%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5293% % 5294% % 5295% % 5296% 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 % 5297% % 5298% % 5299% % 5300%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5301% 5302% MagickGetImageTicksPerSecond() gets the image ticks-per-second. 5303% 5304% The format of the MagickGetImageTicksPerSecond method is: 5305% 5306% size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5307% 5308% A description of each parameter follows: 5309% 5310% o wand: the magick wand. 5311% 5312*/ 5313WandExport size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5314{ 5315 assert(wand != (MagickWand *) NULL); 5316 assert(wand->signature == WandSignature); 5317 if (wand->debug != MagickFalse) 5318 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5319 if (wand->images == (Image *) NULL) 5320 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5321 return((size_t) wand->images->ticks_per_second); 5322} 5323 5324/* 5325%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5326% % 5327% % 5328% % 5329% M a g i c k G e t I m a g e T y p e % 5330% % 5331% % 5332% % 5333%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5334% 5335% MagickGetImageType() gets the potential image type: 5336% 5337% Bilevel Grayscale GrayscaleMatte 5338% Palette PaletteMatte TrueColor 5339% TrueColorMatte ColorSeparation ColorSeparationMatte 5340% 5341% To ensure the image type matches its potential, use MagickSetImageType(): 5342% 5343% (void) MagickSetImageType(wand,MagickGetImageType(wand)); 5344% 5345% The format of the MagickGetImageType method is: 5346% 5347% ImageType MagickGetImageType(MagickWand *wand) 5348% 5349% A description of each parameter follows: 5350% 5351% o wand: the magick wand. 5352% 5353*/ 5354WandExport ImageType MagickGetImageType(MagickWand *wand) 5355{ 5356 assert(wand != (MagickWand *) NULL); 5357 assert(wand->signature == WandSignature); 5358 if (wand->debug != MagickFalse) 5359 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5360 if (wand->images == (Image *) NULL) 5361 { 5362 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5363 "ContainsNoImages","`%s'",wand->name); 5364 return(UndefinedType); 5365 } 5366 return(GetImageType(wand->images,wand->exception)); 5367} 5368 5369/* 5370%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5371% % 5372% % 5373% % 5374% M a g i c k G e t I m a g e U n i t s % 5375% % 5376% % 5377% % 5378%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5379% 5380% MagickGetImageUnits() gets the image units of resolution. 5381% 5382% The format of the MagickGetImageUnits method is: 5383% 5384% ResolutionType MagickGetImageUnits(MagickWand *wand) 5385% 5386% A description of each parameter follows: 5387% 5388% o wand: the magick wand. 5389% 5390*/ 5391WandExport ResolutionType MagickGetImageUnits(MagickWand *wand) 5392{ 5393 assert(wand != (MagickWand *) NULL); 5394 assert(wand->signature == WandSignature); 5395 if (wand->debug != MagickFalse) 5396 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5397 if (wand->images == (Image *) NULL) 5398 { 5399 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5400 "ContainsNoImages","`%s'",wand->name); 5401 return(UndefinedResolution); 5402 } 5403 return(wand->images->units); 5404} 5405 5406/* 5407%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5408% % 5409% % 5410% % 5411% 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 % 5412% % 5413% % 5414% % 5415%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5416% 5417% MagickGetImageVirtualPixelMethod() returns the virtual pixel method for the 5418% sepcified image. 5419% 5420% The format of the MagickGetImageVirtualPixelMethod method is: 5421% 5422% VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5423% 5424% A description of each parameter follows: 5425% 5426% o wand: the magick wand. 5427% 5428*/ 5429WandExport VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5430{ 5431 assert(wand != (MagickWand *) NULL); 5432 assert(wand->signature == WandSignature); 5433 if (wand->debug != MagickFalse) 5434 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5435 if (wand->images == (Image *) NULL) 5436 { 5437 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5438 "ContainsNoImages","`%s'",wand->name); 5439 return(UndefinedVirtualPixelMethod); 5440 } 5441 return(GetImageVirtualPixelMethod(wand->images)); 5442} 5443 5444/* 5445%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5446% % 5447% % 5448% % 5449% M a g i c k G e t I m a g e W h i t e P o i n t % 5450% % 5451% % 5452% % 5453%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5454% 5455% MagickGetImageWhitePoint() returns the chromaticy white point. 5456% 5457% The format of the MagickGetImageWhitePoint method is: 5458% 5459% MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand,double *x, 5460% double *y) 5461% 5462% A description of each parameter follows: 5463% 5464% o wand: the magick wand. 5465% 5466% o x: the chromaticity white x-point. 5467% 5468% o y: the chromaticity white y-point. 5469% 5470*/ 5471WandExport MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand, 5472 double *x,double *y) 5473{ 5474 assert(wand != (MagickWand *) NULL); 5475 assert(wand->signature == WandSignature); 5476 if (wand->debug != MagickFalse) 5477 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5478 if (wand->images == (Image *) NULL) 5479 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5480 *x=wand->images->chromaticity.white_point.x; 5481 *y=wand->images->chromaticity.white_point.y; 5482 return(MagickTrue); 5483} 5484 5485/* 5486%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5487% % 5488% % 5489% % 5490% M a g i c k G e t I m a g e W i d t h % 5491% % 5492% % 5493% % 5494%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5495% 5496% MagickGetImageWidth() returns the image width. 5497% 5498% The format of the MagickGetImageWidth method is: 5499% 5500% size_t MagickGetImageWidth(MagickWand *wand) 5501% 5502% A description of each parameter follows: 5503% 5504% o wand: the magick wand. 5505% 5506*/ 5507WandExport size_t MagickGetImageWidth(MagickWand *wand) 5508{ 5509 assert(wand != (MagickWand *) NULL); 5510 assert(wand->signature == WandSignature); 5511 if (wand->debug != MagickFalse) 5512 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5513 if (wand->images == (Image *) NULL) 5514 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5515 return(wand->images->columns); 5516} 5517 5518/* 5519%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5520% % 5521% % 5522% % 5523% M a g i c k G e t N u m b e r I m a g e s % 5524% % 5525% % 5526% % 5527%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5528% 5529% MagickGetNumberImages() returns the number of images associated with a 5530% magick wand. 5531% 5532% The format of the MagickGetNumberImages method is: 5533% 5534% size_t MagickGetNumberImages(MagickWand *wand) 5535% 5536% A description of each parameter follows: 5537% 5538% o wand: the magick wand. 5539% 5540*/ 5541WandExport size_t MagickGetNumberImages(MagickWand *wand) 5542{ 5543 assert(wand != (MagickWand *) NULL); 5544 assert(wand->signature == WandSignature); 5545 if (wand->debug != MagickFalse) 5546 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5547 return(GetImageListLength(wand->images)); 5548} 5549 5550/* 5551%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5552% % 5553% % 5554% % 5555% 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 % 5556% % 5557% % 5558% % 5559%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5560% 5561% MagickGetImageTotalInkDensity() gets the image total ink density. 5562% 5563% The format of the MagickGetImageTotalInkDensity method is: 5564% 5565% double MagickGetImageTotalInkDensity(MagickWand *wand) 5566% 5567% A description of each parameter follows: 5568% 5569% o wand: the magick wand. 5570% 5571*/ 5572WandExport double MagickGetImageTotalInkDensity(MagickWand *wand) 5573{ 5574 assert(wand != (MagickWand *) NULL); 5575 assert(wand->signature == WandSignature); 5576 if (wand->debug != MagickFalse) 5577 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5578 if (wand->images == (Image *) NULL) 5579 { 5580 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5581 "ContainsNoImages","`%s'",wand->name); 5582 return(0.0); 5583 } 5584 return(GetImageTotalInkDensity(wand->images)); 5585} 5586 5587/* 5588%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5589% % 5590% % 5591% % 5592% M a g i c k H a l d C l u t I m a g e % 5593% % 5594% % 5595% % 5596%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5597% 5598% MagickHaldClutImage() replaces colors in the image from a Hald color lookup 5599% table. A Hald color lookup table is a 3-dimensional color cube mapped to 2 5600% dimensions. Create it with the HALD coder. You can apply any color 5601% transformation to the Hald image and then use this method to apply the 5602% transform to the image. 5603% 5604% The format of the MagickHaldClutImage method is: 5605% 5606% MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5607% const MagickWand *hald_wand) 5608% 5609% A description of each parameter follows: 5610% 5611% o wand: the magick wand. 5612% 5613% o hald_image: the hald CLUT image. 5614% 5615*/ 5616WandExport MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5617 const MagickWand *hald_wand) 5618{ 5619 MagickBooleanType 5620 status; 5621 5622 assert(wand != (MagickWand *) NULL); 5623 assert(wand->signature == WandSignature); 5624 if (wand->debug != MagickFalse) 5625 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5626 if ((wand->images == (Image *) NULL) || (hald_wand->images == (Image *) NULL)) 5627 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5628 status=HaldClutImage(wand->images,hald_wand->images,&wand->images->exception); 5629 return(status); 5630} 5631 5632/* 5633%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5634% % 5635% % 5636% % 5637% M a g i c k H a s N e x t I m a g e % 5638% % 5639% % 5640% % 5641%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5642% 5643% MagickHasNextImage() returns MagickTrue if the wand has more images when 5644% traversing the list in the forward direction 5645% 5646% The format of the MagickHasNextImage method is: 5647% 5648% MagickBooleanType MagickHasNextImage(MagickWand *wand) 5649% 5650% A description of each parameter follows: 5651% 5652% o wand: the magick wand. 5653% 5654*/ 5655WandExport MagickBooleanType MagickHasNextImage(MagickWand *wand) 5656{ 5657 assert(wand != (MagickWand *) NULL); 5658 assert(wand->signature == WandSignature); 5659 if (wand->debug != MagickFalse) 5660 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5661 if (wand->images == (Image *) NULL) 5662 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5663 if (GetNextImageInList(wand->images) == (Image *) NULL) 5664 return(MagickFalse); 5665 return(MagickTrue); 5666} 5667 5668/* 5669%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5670% % 5671% % 5672% % 5673% M a g i c k H a s P r e v i o u s I m a g e % 5674% % 5675% % 5676% % 5677%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5678% 5679% MagickHasPreviousImage() returns MagickTrue if the wand has more images when 5680% traversing the list in the reverse direction 5681% 5682% The format of the MagickHasPreviousImage method is: 5683% 5684% MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5685% 5686% A description of each parameter follows: 5687% 5688% o wand: the magick wand. 5689% 5690*/ 5691WandExport MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5692{ 5693 assert(wand != (MagickWand *) NULL); 5694 assert(wand->signature == WandSignature); 5695 if (wand->debug != MagickFalse) 5696 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5697 if (wand->images == (Image *) NULL) 5698 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5699 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 5700 return(MagickFalse); 5701 return(MagickTrue); 5702} 5703 5704/* 5705%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5706% % 5707% % 5708% % 5709% M a g i c k I d e n t i f y I m a g e % 5710% % 5711% % 5712% % 5713%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5714% 5715% MagickIdentifyImage() identifies an image by printing its attributes to the 5716% file. Attributes include the image width, height, size, and others. 5717% 5718% The format of the MagickIdentifyImage method is: 5719% 5720% const char *MagickIdentifyImage(MagickWand *wand) 5721% 5722% A description of each parameter follows: 5723% 5724% o wand: the magick wand. 5725% 5726*/ 5727WandExport char *MagickIdentifyImage(MagickWand *wand) 5728{ 5729 char 5730 *description, 5731 filename[MaxTextExtent]; 5732 5733 FILE 5734 *file; 5735 5736 int 5737 unique_file; 5738 5739 assert(wand != (MagickWand *) NULL); 5740 assert(wand->signature == WandSignature); 5741 if (wand->debug != MagickFalse) 5742 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5743 if (wand->images == (Image *) NULL) 5744 { 5745 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5746 "ContainsNoImages","`%s'",wand->name); 5747 return((char *) NULL); 5748 } 5749 description=(char *) NULL; 5750 unique_file=AcquireUniqueFileResource(filename); 5751 file=(FILE *) NULL; 5752 if (unique_file != -1) 5753 file=fdopen(unique_file,"wb"); 5754 if ((unique_file == -1) || (file == (FILE *) NULL)) 5755 { 5756 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5757 "UnableToCreateTemporaryFile","`%s'",wand->name); 5758 return((char *) NULL); 5759 } 5760 (void) IdentifyImage(wand->images,file,MagickTrue,wand->exception); 5761 (void) fclose(file); 5762 description=FileToString(filename,~0,wand->exception); 5763 (void) RelinquishUniqueFileResource(filename); 5764 return(description); 5765} 5766 5767/* 5768%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5769% % 5770% % 5771% % 5772% M a g i c k I m p l o d e I m a g e % 5773% % 5774% % 5775% % 5776%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5777% 5778% MagickImplodeImage() creates a new image that is a copy of an existing 5779% one with the image pixels "implode" by the specified percentage. It 5780% allocates the memory necessary for the new Image structure and returns a 5781% pointer to the new image. 5782% 5783% The format of the MagickImplodeImage method is: 5784% 5785% MagickBooleanType MagickImplodeImage(MagickWand *wand, 5786% const double radius) 5787% 5788% A description of each parameter follows: 5789% 5790% o wand: the magick wand. 5791% 5792% o amount: Define the extent of the implosion. 5793% 5794*/ 5795WandExport MagickBooleanType MagickImplodeImage(MagickWand *wand, 5796 const double amount) 5797{ 5798 Image 5799 *implode_image; 5800 5801 assert(wand != (MagickWand *) NULL); 5802 assert(wand->signature == WandSignature); 5803 if (wand->debug != MagickFalse) 5804 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5805 if (wand->images == (Image *) NULL) 5806 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5807 implode_image=ImplodeImage(wand->images,amount,wand->exception); 5808 if (implode_image == (Image *) NULL) 5809 return(MagickFalse); 5810 ReplaceImageInList(&wand->images,implode_image); 5811 return(MagickTrue); 5812} 5813 5814/* 5815%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5816% % 5817% % 5818% % 5819% M a g i c k I m p o r t I m a g e P i x e l s % 5820% % 5821% % 5822% % 5823%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5824% 5825% MagickImportImagePixels() accepts pixel datand stores it in the image at the 5826% location you specify. The method returns MagickFalse on success otherwise 5827% MagickTrue if an error is encountered. The pixel data can be either char, 5828% short int, int, ssize_t, float, or double in the order specified by map. 5829% 5830% Suppose your want to upload the first scanline of a 640x480 image from 5831% character data in red-green-blue order: 5832% 5833% MagickImportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 5834% 5835% The format of the MagickImportImagePixels method is: 5836% 5837% MagickBooleanType MagickImportImagePixels(MagickWand *wand, 5838% const ssize_t x,const ssize_t y,const size_t columns, 5839% const size_t rows,const char *map,const StorageType storage, 5840% const void *pixels) 5841% 5842% A description of each parameter follows: 5843% 5844% o wand: the magick wand. 5845% 5846% o x, y, columns, rows: These values define the perimeter of a region 5847% of pixels you want to define. 5848% 5849% o map: This string reflects the expected ordering of the pixel array. 5850% It can be any combination or order of R = red, G = green, B = blue, 5851% A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, 5852% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 5853% P = pad. 5854% 5855% o storage: Define the data type of the pixels. Float and double types are 5856% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 5857% these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, 5858% or DoublePixel. 5859% 5860% o pixels: This array of values contain the pixel components as defined by 5861% map and type. You must preallocate this array where the expected 5862% length varies depending on the values of width, height, map, and type. 5863% 5864*/ 5865WandExport MagickBooleanType MagickImportImagePixels(MagickWand *wand, 5866 const ssize_t x,const ssize_t y,const size_t columns,const size_t rows, 5867 const char *map,const StorageType storage,const void *pixels) 5868{ 5869 MagickBooleanType 5870 status; 5871 5872 assert(wand != (MagickWand *) NULL); 5873 assert(wand->signature == WandSignature); 5874 if (wand->debug != MagickFalse) 5875 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5876 if (wand->images == (Image *) NULL) 5877 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5878 status=ImportImagePixels(wand->images,x,y,columns,rows,map,storage,pixels, 5879 wand->exception); 5880 return(status); 5881} 5882 5883/* 5884%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5885% % 5886% % 5887% % 5888% 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 % 5889% % 5890% % 5891% % 5892%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5893% 5894% MagickInverseFourierTransformImage() implements the inverse discrete 5895% Fourier transform (DFT) of the image either as a magnitude / phase or real / 5896% imaginary image pair. 5897% 5898% The format of the MagickInverseFourierTransformImage method is: 5899% 5900% MagickBooleanType MagickInverseFourierTransformImage( 5901% MagickWand *magnitude_wand,MagickWand *phase_wand, 5902% const MagickBooleanType magnitude) 5903% 5904% A description of each parameter follows: 5905% 5906% o magnitude_wand: the magnitude or real wand. 5907% 5908% o phase_wand: the phase or imaginary wand. 5909% 5910% o magnitude: if true, return as magnitude / phase pair otherwise a real / 5911% imaginary image pair. 5912% 5913*/ 5914WandExport MagickBooleanType MagickInverseFourierTransformImage( 5915 MagickWand *magnitude_wand,MagickWand *phase_wand, 5916 const MagickBooleanType magnitude) 5917{ 5918 Image 5919 *inverse_image; 5920 5921 MagickWand 5922 *wand; 5923 5924 assert(magnitude_wand != (MagickWand *) NULL); 5925 assert(magnitude_wand->signature == WandSignature); 5926 if (magnitude_wand->debug != MagickFalse) 5927 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", 5928 magnitude_wand->name); 5929 wand=magnitude_wand; 5930 if (magnitude_wand->images == (Image *) NULL) 5931 ThrowWandException(WandError,"ContainsNoImages", 5932 magnitude_wand->name); 5933 assert(phase_wand != (MagickWand *) NULL); 5934 assert(phase_wand->signature == WandSignature); 5935 inverse_image=InverseFourierTransformImage(magnitude_wand->images, 5936 phase_wand->images,magnitude,wand->exception); 5937 if (inverse_image == (Image *) NULL) 5938 return(MagickFalse); 5939 ReplaceImageInList(&wand->images,inverse_image); 5940 return(MagickTrue); 5941} 5942 5943/* 5944%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5945% % 5946% % 5947% % 5948% M a g i c k L a b e l I m a g e % 5949% % 5950% % 5951% % 5952%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5953% 5954% MagickLabelImage() adds a label to your image. 5955% 5956% The format of the MagickLabelImage method is: 5957% 5958% MagickBooleanType MagickLabelImage(MagickWand *wand,const char *label) 5959% 5960% A description of each parameter follows: 5961% 5962% o wand: the magick wand. 5963% 5964% o label: the image label. 5965% 5966*/ 5967WandExport MagickBooleanType MagickLabelImage(MagickWand *wand, 5968 const char *label) 5969{ 5970 MagickBooleanType 5971 status; 5972 5973 assert(wand != (MagickWand *) NULL); 5974 assert(wand->signature == WandSignature); 5975 if (wand->debug != MagickFalse) 5976 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5977 if (wand->images == (Image *) NULL) 5978 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5979 status=SetImageProperty(wand->images,"label",label); 5980 if (status == MagickFalse) 5981 InheritException(wand->exception,&wand->images->exception); 5982 return(status); 5983} 5984 5985/* 5986%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5987% % 5988% % 5989% % 5990% M a g i c k L e v e l I m a g e % 5991% % 5992% % 5993% % 5994%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5995% 5996% MagickLevelImage() adjusts the levels of an image by scaling the colors 5997% falling between specified white and black points to the full available 5998% quantum range. The parameters provided represent the black, mid, and white 5999% points. The black point specifies the darkest color in the image. Colors 6000% darker than the black point are set to zero. Mid point specifies a gamma 6001% correction to apply to the image. White point specifies the lightest color 6002% in the image. Colors brighter than the white point are set to the maximum 6003% quantum value. 6004% 6005% The format of the MagickLevelImage method is: 6006% 6007% MagickBooleanType MagickLevelImage(MagickWand *wand, 6008% const double black_point,const double gamma,const double white_point) 6009% MagickBooleanType MagickLevelImage(MagickWand *wand, 6010% const ChannelType channel,const double black_point,const double gamma, 6011% const double white_point) 6012% 6013% A description of each parameter follows: 6014% 6015% o wand: the magick wand. 6016% 6017% o channel: Identify which channel to level: RedChannel, GreenChannel, 6018% 6019% o black_point: the black point. 6020% 6021% o gamma: the gamma. 6022% 6023% o white_point: the white point. 6024% 6025*/ 6026WandExport MagickBooleanType MagickLevelImage(MagickWand *wand, 6027 const double black_point,const double gamma,const double white_point) 6028{ 6029 MagickBooleanType 6030 status; 6031 6032 assert(wand != (MagickWand *) NULL); 6033 assert(wand->signature == WandSignature); 6034 if (wand->debug != MagickFalse) 6035 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6036 if (wand->images == (Image *) NULL) 6037 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6038 status=LevelImage(wand->images,black_point,white_point,gamma, 6039 &wand->images->exception); 6040 return(status); 6041} 6042 6043/* 6044%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6045% % 6046% % 6047% % 6048% M a g i c k L i n e a r S t r e t c h I m a g e % 6049% % 6050% % 6051% % 6052%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6053% 6054% MagickLinearStretchImage() stretches with saturation the image intensity. 6055% 6056% You can also reduce the influence of a particular channel with a gamma 6057% value of 0. 6058% 6059% The format of the MagickLinearStretchImage method is: 6060% 6061% MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6062% const double black_point,const double white_point) 6063% 6064% A description of each parameter follows: 6065% 6066% o wand: the magick wand. 6067% 6068% o black_point: the black point. 6069% 6070% o white_point: the white point. 6071% 6072*/ 6073WandExport MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6074 const double black_point,const double white_point) 6075{ 6076 MagickBooleanType 6077 status; 6078 6079 assert(wand != (MagickWand *) NULL); 6080 assert(wand->signature == WandSignature); 6081 if (wand->debug != MagickFalse) 6082 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6083 if (wand->images == (Image *) NULL) 6084 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6085 status=LinearStretchImage(wand->images,black_point,white_point, 6086 &wand->images->exception); 6087 return(status); 6088} 6089 6090/* 6091%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6092% % 6093% % 6094% % 6095% M a g i c k L i q u i d R e s c a l e I m a g e % 6096% % 6097% % 6098% % 6099%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6100% 6101% MagickLiquidRescaleImage() rescales image with seam carving. 6102% 6103% MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6104% const size_t columns,const size_t rows, 6105% const double delta_x,const double rigidity) 6106% 6107% A description of each parameter follows: 6108% 6109% o wand: the magick wand. 6110% 6111% o columns: the number of columns in the scaled image. 6112% 6113% o rows: the number of rows in the scaled image. 6114% 6115% o delta_x: maximum seam transversal step (0 means straight seams). 6116% 6117% o rigidity: introduce a bias for non-straight seams (typically 0). 6118% 6119*/ 6120WandExport MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6121 const size_t columns,const size_t rows,const double delta_x, 6122 const double rigidity) 6123{ 6124 Image 6125 *rescale_image; 6126 6127 assert(wand != (MagickWand *) NULL); 6128 assert(wand->signature == WandSignature); 6129 if (wand->debug != MagickFalse) 6130 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6131 if (wand->images == (Image *) NULL) 6132 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6133 rescale_image=LiquidRescaleImage(wand->images,columns,rows,delta_x, 6134 rigidity,wand->exception); 6135 if (rescale_image == (Image *) NULL) 6136 return(MagickFalse); 6137 ReplaceImageInList(&wand->images,rescale_image); 6138 return(MagickTrue); 6139} 6140 6141/* 6142%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6143% % 6144% % 6145% % 6146% M a g i c k M a g n i f y I m a g e % 6147% % 6148% % 6149% % 6150%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6151% 6152% MagickMagnifyImage() is a convenience method that scales an image 6153% proportionally to twice its original size. 6154% 6155% The format of the MagickMagnifyImage method is: 6156% 6157% MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6158% 6159% A description of each parameter follows: 6160% 6161% o wand: the magick wand. 6162% 6163*/ 6164WandExport MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6165{ 6166 Image 6167 *magnify_image; 6168 6169 assert(wand != (MagickWand *) NULL); 6170 assert(wand->signature == WandSignature); 6171 if (wand->debug != MagickFalse) 6172 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6173 if (wand->images == (Image *) NULL) 6174 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6175 magnify_image=MagnifyImage(wand->images,wand->exception); 6176 if (magnify_image == (Image *) NULL) 6177 return(MagickFalse); 6178 ReplaceImageInList(&wand->images,magnify_image); 6179 return(MagickTrue); 6180} 6181 6182/* 6183%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6184% % 6185% % 6186% % 6187% M a g i c k M e r g e I m a g e L a y e r s % 6188% % 6189% % 6190% % 6191%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6192% 6193% MagickMergeImageLayers() composes all the image layers from the current 6194% given image onward to produce a single image of the merged layers. 6195% 6196% The inital canvas's size depends on the given ImageLayerMethod, and is 6197% initialized using the first images background color. The images 6198% are then compositied onto that image in sequence using the given 6199% composition that has been assigned to each individual image. 6200% 6201% The format of the MagickMergeImageLayers method is: 6202% 6203% MagickWand *MagickMergeImageLayers(MagickWand *wand, 6204% const ImageLayerMethod method) 6205% 6206% A description of each parameter follows: 6207% 6208% o wand: the magick wand. 6209% 6210% o method: the method of selecting the size of the initial canvas. 6211% 6212% MergeLayer: Merge all layers onto a canvas just large enough 6213% to hold all the actual images. The virtual canvas of the 6214% first image is preserved but otherwise ignored. 6215% 6216% FlattenLayer: Use the virtual canvas size of first image. 6217% Images which fall outside this canvas is clipped. 6218% This can be used to 'fill out' a given virtual canvas. 6219% 6220% MosaicLayer: Start with the virtual canvas of the first image, 6221% enlarging left and right edges to contain all images. 6222% Images with negative offsets will be clipped. 6223% 6224*/ 6225WandExport MagickWand *MagickMergeImageLayers(MagickWand *wand, 6226 const ImageLayerMethod method) 6227{ 6228 Image 6229 *mosaic_image; 6230 6231 assert(wand != (MagickWand *) NULL); 6232 assert(wand->signature == WandSignature); 6233 if (wand->debug != MagickFalse) 6234 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6235 if (wand->images == (Image *) NULL) 6236 return((MagickWand *) NULL); 6237 mosaic_image=MergeImageLayers(wand->images,method,wand->exception); 6238 if (mosaic_image == (Image *) NULL) 6239 return((MagickWand *) NULL); 6240 return(CloneMagickWandFromImages(wand,mosaic_image)); 6241} 6242 6243/* 6244%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6245% % 6246% % 6247% % 6248% M a g i c k M i n i f y I m a g e % 6249% % 6250% % 6251% % 6252%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6253% 6254% MagickMinifyImage() is a convenience method that scales an image 6255% proportionally to one-half its original size 6256% 6257% The format of the MagickMinifyImage method is: 6258% 6259% MagickBooleanType MagickMinifyImage(MagickWand *wand) 6260% 6261% A description of each parameter follows: 6262% 6263% o wand: the magick wand. 6264% 6265*/ 6266WandExport MagickBooleanType MagickMinifyImage(MagickWand *wand) 6267{ 6268 Image 6269 *minify_image; 6270 6271 assert(wand != (MagickWand *) NULL); 6272 assert(wand->signature == WandSignature); 6273 if (wand->debug != MagickFalse) 6274 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6275 if (wand->images == (Image *) NULL) 6276 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6277 minify_image=MinifyImage(wand->images,wand->exception); 6278 if (minify_image == (Image *) NULL) 6279 return(MagickFalse); 6280 ReplaceImageInList(&wand->images,minify_image); 6281 return(MagickTrue); 6282} 6283 6284/* 6285%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6286% % 6287% % 6288% % 6289% M a g i c k M o d u l a t e I m a g e % 6290% % 6291% % 6292% % 6293%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6294% 6295% MagickModulateImage() lets you control the brightness, saturation, and hue 6296% of an image. Hue is the percentage of absolute rotation from the current 6297% position. For example 50 results in a counter-clockwise rotation of 90 6298% degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 6299% both resulting in a rotation of 180 degrees. 6300% 6301% To increase the color brightness by 20% and decrease the color saturation by 6302% 10% and leave the hue unchanged, use: 120,90,100. 6303% 6304% The format of the MagickModulateImage method is: 6305% 6306% MagickBooleanType MagickModulateImage(MagickWand *wand, 6307% const double brightness,const double saturation,const double hue) 6308% 6309% A description of each parameter follows: 6310% 6311% o wand: the magick wand. 6312% 6313% o brightness: the percent change in brighness. 6314% 6315% o saturation: the percent change in saturation. 6316% 6317% o hue: the percent change in hue. 6318% 6319*/ 6320WandExport MagickBooleanType MagickModulateImage(MagickWand *wand, 6321 const double brightness,const double saturation,const double hue) 6322{ 6323 char 6324 modulate[MaxTextExtent]; 6325 6326 MagickBooleanType 6327 status; 6328 6329 assert(wand != (MagickWand *) NULL); 6330 assert(wand->signature == WandSignature); 6331 if (wand->debug != MagickFalse) 6332 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6333 if (wand->images == (Image *) NULL) 6334 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6335 (void) FormatLocaleString(modulate,MaxTextExtent,"%g,%g,%g", 6336 brightness,saturation,hue); 6337 status=ModulateImage(wand->images,modulate,&wand->images->exception); 6338 return(status); 6339} 6340 6341/* 6342%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6343% % 6344% % 6345% % 6346% M a g i c k M o n t a g e I m a g e % 6347% % 6348% % 6349% % 6350%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6351% 6352% MagickMontageImage() creates a composite image by combining several 6353% separate images. The images are tiled on the composite image with the name 6354% of the image optionally appearing just below the individual tile. 6355% 6356% The format of the MagickMontageImage method is: 6357% 6358% MagickWand *MagickMontageImage(MagickWand *wand, 6359% const DrawingWand drawing_wand,const char *tile_geometry, 6360% const char *thumbnail_geometry,const MontageMode mode, 6361% const char *frame) 6362% 6363% A description of each parameter follows: 6364% 6365% o wand: the magick wand. 6366% 6367% o drawing_wand: the drawing wand. The font name, size, and color are 6368% obtained from this wand. 6369% 6370% o tile_geometry: the number of tiles per row and page (e.g. 6x4+0+0). 6371% 6372% o thumbnail_geometry: Preferred image size and border size of each 6373% thumbnail (e.g. 120x120+4+3>). 6374% 6375% o mode: Thumbnail framing mode: Frame, Unframe, or Concatenate. 6376% 6377% o frame: Surround the image with an ornamental border (e.g. 15x15+3+3). 6378% The frame color is that of the thumbnail's matte color. 6379% 6380*/ 6381WandExport MagickWand *MagickMontageImage(MagickWand *wand, 6382 const DrawingWand *drawing_wand,const char *tile_geometry, 6383 const char *thumbnail_geometry,const MontageMode mode,const char *frame) 6384{ 6385 char 6386 *font; 6387 6388 Image 6389 *montage_image; 6390 6391 MontageInfo 6392 *montage_info; 6393 6394 PixelWand 6395 *pixel_wand; 6396 6397 assert(wand != (MagickWand *) NULL); 6398 assert(wand->signature == WandSignature); 6399 if (wand->debug != MagickFalse) 6400 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6401 if (wand->images == (Image *) NULL) 6402 return((MagickWand *) NULL); 6403 montage_info=CloneMontageInfo(wand->image_info,(MontageInfo *) NULL); 6404 switch (mode) 6405 { 6406 case FrameMode: 6407 { 6408 (void) CloneString(&montage_info->frame,"15x15+3+3"); 6409 montage_info->shadow=MagickTrue; 6410 break; 6411 } 6412 case UnframeMode: 6413 { 6414 montage_info->frame=(char *) NULL; 6415 montage_info->shadow=MagickFalse; 6416 montage_info->border_width=0; 6417 break; 6418 } 6419 case ConcatenateMode: 6420 { 6421 montage_info->frame=(char *) NULL; 6422 montage_info->shadow=MagickFalse; 6423 (void) CloneString(&montage_info->geometry,"+0+0"); 6424 montage_info->border_width=0; 6425 break; 6426 } 6427 default: 6428 break; 6429 } 6430 font=DrawGetFont(drawing_wand); 6431 if (font != (char *) NULL) 6432 (void) CloneString(&montage_info->font,font); 6433 if (frame != (char *) NULL) 6434 (void) CloneString(&montage_info->frame,frame); 6435 montage_info->pointsize=DrawGetFontSize(drawing_wand); 6436 pixel_wand=NewPixelWand(); 6437 DrawGetFillColor(drawing_wand,pixel_wand); 6438 PixelGetQuantumPacket(pixel_wand,&montage_info->fill); 6439 DrawGetStrokeColor(drawing_wand,pixel_wand); 6440 PixelGetQuantumPacket(pixel_wand,&montage_info->stroke); 6441 pixel_wand=DestroyPixelWand(pixel_wand); 6442 if (thumbnail_geometry != (char *) NULL) 6443 (void) CloneString(&montage_info->geometry,thumbnail_geometry); 6444 if (tile_geometry != (char *) NULL) 6445 (void) CloneString(&montage_info->tile,tile_geometry); 6446 montage_image=MontageImageList(wand->image_info,montage_info,wand->images, 6447 wand->exception); 6448 montage_info=DestroyMontageInfo(montage_info); 6449 if (montage_image == (Image *) NULL) 6450 return((MagickWand *) NULL); 6451 return(CloneMagickWandFromImages(wand,montage_image)); 6452} 6453 6454/* 6455%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6456% % 6457% % 6458% % 6459% M a g i c k M o r p h I m a g e s % 6460% % 6461% % 6462% % 6463%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6464% 6465% MagickMorphImages() method morphs a set of images. Both the image pixels 6466% and size are linearly interpolated to give the appearance of a 6467% meta-morphosis from one image to the next. 6468% 6469% The format of the MagickMorphImages method is: 6470% 6471% MagickWand *MagickMorphImages(MagickWand *wand, 6472% const size_t number_frames) 6473% 6474% A description of each parameter follows: 6475% 6476% o wand: the magick wand. 6477% 6478% o number_frames: the number of in-between images to generate. 6479% 6480*/ 6481WandExport MagickWand *MagickMorphImages(MagickWand *wand, 6482 const size_t number_frames) 6483{ 6484 Image 6485 *morph_image; 6486 6487 assert(wand != (MagickWand *) NULL); 6488 assert(wand->signature == WandSignature); 6489 if (wand->debug != MagickFalse) 6490 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6491 if (wand->images == (Image *) NULL) 6492 return((MagickWand *) NULL); 6493 morph_image=MorphImages(wand->images,number_frames,wand->exception); 6494 if (morph_image == (Image *) NULL) 6495 return((MagickWand *) NULL); 6496 return(CloneMagickWandFromImages(wand,morph_image)); 6497} 6498 6499/* 6500%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6501% % 6502% % 6503% % 6504% M a g i c k M o r p h o l o g y I m a g e % 6505% % 6506% % 6507% % 6508%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6509% 6510% MagickMorphologyImage() applies a user supplied kernel to the image 6511% according to the given mophology method. 6512% 6513% The format of the MagickMorphologyImage method is: 6514% 6515% MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6516% MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6517% 6518% A description of each parameter follows: 6519% 6520% o wand: the magick wand. 6521% 6522% o method: the morphology method to be applied. 6523% 6524% o iterations: apply the operation this many times (or no change). 6525% A value of -1 means loop until no change found. How this is applied 6526% may depend on the morphology method. Typically this is a value of 1. 6527% 6528% o kernel: An array of doubles representing the morphology kernel. 6529% 6530*/ 6531WandExport MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6532 MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6533{ 6534 Image 6535 *morphology_image; 6536 6537 assert(wand != (MagickWand *) NULL); 6538 assert(wand->signature == WandSignature); 6539 if (wand->debug != MagickFalse) 6540 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6541 if (kernel == (const KernelInfo *) NULL) 6542 return(MagickFalse); 6543 if (wand->images == (Image *) NULL) 6544 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6545 morphology_image=MorphologyImage(wand->images,method,iterations,kernel, 6546 wand->exception); 6547 if (morphology_image == (Image *) NULL) 6548 return(MagickFalse); 6549 ReplaceImageInList(&wand->images,morphology_image); 6550 return(MagickTrue); 6551} 6552 6553/* 6554%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6555% % 6556% % 6557% % 6558% M a g i c k M o t i o n B l u r I m a g e % 6559% % 6560% % 6561% % 6562%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6563% 6564% MagickMotionBlurImage() simulates motion blur. We convolve the image with a 6565% Gaussian operator of the given radius and standard deviation (sigma). 6566% For reasonable results, radius should be larger than sigma. Use a 6567% radius of 0 and MotionBlurImage() selects a suitable radius for you. 6568% Angle gives the angle of the blurring motion. 6569% 6570% The format of the MagickMotionBlurImage method is: 6571% 6572% MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6573% const double radius,const double sigma,const double angle) 6574% 6575% A description of each parameter follows: 6576% 6577% o wand: the magick wand. 6578% 6579% o radius: the radius of the Gaussian, in pixels, not counting 6580% the center pixel. 6581% 6582% o sigma: the standard deviation of the Gaussian, in pixels. 6583% 6584% o angle: Apply the effect along this angle. 6585% 6586*/ 6587WandExport MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6588 const double radius,const double sigma,const double angle) 6589{ 6590 Image 6591 *blur_image; 6592 6593 assert(wand != (MagickWand *) NULL); 6594 assert(wand->signature == WandSignature); 6595 if (wand->debug != MagickFalse) 6596 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6597 if (wand->images == (Image *) NULL) 6598 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6599 blur_image=MotionBlurImage(wand->images,radius,sigma,angle,wand->exception); 6600 if (blur_image == (Image *) NULL) 6601 return(MagickFalse); 6602 ReplaceImageInList(&wand->images,blur_image); 6603 return(MagickTrue); 6604} 6605 6606/* 6607%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6608% % 6609% % 6610% % 6611% M a g i c k N e g a t e I m a g e % 6612% % 6613% % 6614% % 6615%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6616% 6617% MagickNegateImage() negates the colors in the reference image. The 6618% Grayscale option means that only grayscale values within the image are 6619% negated. 6620% 6621% You can also reduce the influence of a particular channel with a gamma 6622% value of 0. 6623% 6624% The format of the MagickNegateImage method is: 6625% 6626% MagickBooleanType MagickNegateImage(MagickWand *wand, 6627% const MagickBooleanType gray) 6628% 6629% A description of each parameter follows: 6630% 6631% o wand: the magick wand. 6632% 6633% o gray: If MagickTrue, only negate grayscale pixels within the image. 6634% 6635*/ 6636WandExport MagickBooleanType MagickNegateImage(MagickWand *wand, 6637 const MagickBooleanType gray) 6638{ 6639 MagickBooleanType 6640 status; 6641 6642 assert(wand != (MagickWand *) NULL); 6643 assert(wand->signature == WandSignature); 6644 if (wand->debug != MagickFalse) 6645 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6646 if (wand->images == (Image *) NULL) 6647 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6648 status=NegateImage(wand->images,gray,wand->exception); 6649 return(status); 6650} 6651 6652/* 6653%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6654% % 6655% % 6656% % 6657% M a g i c k N e w I m a g e % 6658% % 6659% % 6660% % 6661%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6662% 6663% MagickNewImage() adds a blank image canvas of the specified size and 6664% background color to the wand. 6665% 6666% The format of the MagickNewImage method is: 6667% 6668% MagickBooleanType MagickNewImage(MagickWand *wand, 6669% const size_t columns,const size_t rows, 6670% const PixelWand *background) 6671% 6672% A description of each parameter follows: 6673% 6674% o wand: the magick wand. 6675% 6676% o width: the image width. 6677% 6678% o height: the image height. 6679% 6680% o background: the image color. 6681% 6682*/ 6683WandExport MagickBooleanType MagickNewImage(MagickWand *wand, 6684 const size_t width,const size_t height, 6685 const PixelWand *background) 6686{ 6687 Image 6688 *images; 6689 6690 PixelInfo 6691 pixel; 6692 6693 assert(wand != (MagickWand *) NULL); 6694 assert(wand->signature == WandSignature); 6695 if (wand->debug != MagickFalse) 6696 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6697 PixelGetMagickColor(background,&pixel); 6698 images=NewMagickImage(wand->image_info,width,height,&pixel); 6699 if (images == (Image *) NULL) 6700 return(MagickFalse); 6701 if (images->exception.severity != UndefinedException) 6702 InheritException(wand->exception,&images->exception); 6703 return(InsertImageInWand(wand,images)); 6704} 6705 6706/* 6707%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6708% % 6709% % 6710% % 6711% M a g i c k N e x t I m a g e % 6712% % 6713% % 6714% % 6715%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6716% 6717% MagickNextImage() associates the next image in the image list with a magick 6718% wand. 6719% 6720% The format of the MagickNextImage method is: 6721% 6722% MagickBooleanType MagickNextImage(MagickWand *wand) 6723% 6724% A description of each parameter follows: 6725% 6726% o wand: the magick wand. 6727% 6728*/ 6729WandExport MagickBooleanType MagickNextImage(MagickWand *wand) 6730{ 6731 assert(wand != (MagickWand *) NULL); 6732 assert(wand->signature == WandSignature); 6733 if (wand->debug != MagickFalse) 6734 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6735 if (wand->images == (Image *) NULL) 6736 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6737 if (wand->pend != MagickFalse) 6738 { 6739 wand->pend=MagickFalse; 6740 return(MagickTrue); 6741 } 6742 if (GetNextImageInList(wand->images) == (Image *) NULL) 6743 { 6744 wand->pend=MagickTrue; 6745 return(MagickFalse); 6746 } 6747 wand->images=GetNextImageInList(wand->images); 6748 return(MagickTrue); 6749} 6750 6751/* 6752%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6753% % 6754% % 6755% % 6756% M a g i c k N o r m a l i z e I m a g e % 6757% % 6758% % 6759% % 6760%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6761% 6762% MagickNormalizeImage() enhances the contrast of a color image by adjusting 6763% the pixels color to span the entire range of colors available 6764% 6765% You can also reduce the influence of a particular channel with a gamma 6766% value of 0. 6767% 6768% The format of the MagickNormalizeImage method is: 6769% 6770% MagickBooleanType MagickNormalizeImage(MagickWand *wand) 6771% 6772% A description of each parameter follows: 6773% 6774% o wand: the magick wand. 6775% 6776*/ 6777WandExport MagickBooleanType MagickNormalizeImage(MagickWand *wand) 6778{ 6779 MagickBooleanType 6780 status; 6781 6782 assert(wand != (MagickWand *) NULL); 6783 assert(wand->signature == WandSignature); 6784 if (wand->debug != MagickFalse) 6785 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6786 if (wand->images == (Image *) NULL) 6787 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6788 status=NormalizeImage(wand->images,&wand->images->exception); 6789 return(status); 6790} 6791 6792/* 6793%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6794% % 6795% % 6796% % 6797% M a g i c k O i l P a i n t I m a g e % 6798% % 6799% % 6800% % 6801%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6802% 6803% MagickOilPaintImage() applies a special effect filter that simulates an oil 6804% painting. Each pixel is replaced by the most frequent color occurring 6805% in a circular region defined by radius. 6806% 6807% The format of the MagickOilPaintImage method is: 6808% 6809% MagickBooleanType MagickOilPaintImage(MagickWand *wand, 6810% const double radius,const double sigma) 6811% 6812% A description of each parameter follows: 6813% 6814% o wand: the magick wand. 6815% 6816% o radius: the radius of the circular neighborhood. 6817% 6818% o sigma: the standard deviation of the Gaussian, in pixels. 6819% 6820*/ 6821WandExport MagickBooleanType MagickOilPaintImage(MagickWand *wand, 6822 const double radius,const double sigma) 6823{ 6824 Image 6825 *paint_image; 6826 6827 assert(wand != (MagickWand *) NULL); 6828 assert(wand->signature == WandSignature); 6829 if (wand->debug != MagickFalse) 6830 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6831 if (wand->images == (Image *) NULL) 6832 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6833 paint_image=OilPaintImage(wand->images,radius,sigma,wand->exception); 6834 if (paint_image == (Image *) NULL) 6835 return(MagickFalse); 6836 ReplaceImageInList(&wand->images,paint_image); 6837 return(MagickTrue); 6838} 6839 6840/* 6841%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6842% % 6843% % 6844% % 6845% M a g i c k O p a q u e P a i n t I m a g e % 6846% % 6847% % 6848% % 6849%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6850% 6851% MagickOpaquePaintImage() changes any pixel that matches color with the color 6852% defined by fill. 6853% 6854% The format of the MagickOpaquePaintImage method is: 6855% 6856% MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 6857% const PixelWand *target,const PixelWand *fill,const double fuzz, 6858% const MagickBooleanType invert) 6859% 6860% A description of each parameter follows: 6861% 6862% o wand: the magick wand. 6863% 6864% o target: Change this target color to the fill color within the image. 6865% 6866% o fill: the fill pixel wand. 6867% 6868% o fuzz: By default target must match a particular pixel color 6869% exactly. However, in many cases two colors may differ by a small amount. 6870% The fuzz member of image defines how much tolerance is acceptable to 6871% consider two colors as the same. For example, set fuzz to 10 and the 6872% color red at intensities of 100 and 102 respectively are now interpreted 6873% as the same color for the purposes of the floodfill. 6874% 6875% o invert: paint any pixel that does not match the target color. 6876% 6877*/ 6878WandExport MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 6879 const PixelWand *target,const PixelWand *fill,const double fuzz, 6880 const MagickBooleanType invert) 6881{ 6882 MagickBooleanType 6883 status; 6884 6885 PixelInfo 6886 fill_pixel, 6887 target_pixel; 6888 6889 assert(wand != (MagickWand *) NULL); 6890 assert(wand->signature == WandSignature); 6891 if (wand->debug != MagickFalse) 6892 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6893 if (wand->images == (Image *) NULL) 6894 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6895 PixelGetMagickColor(target,&target_pixel); 6896 PixelGetMagickColor(fill,&fill_pixel); 6897 wand->images->fuzz=fuzz; 6898 status=OpaquePaintImage(wand->images,&target_pixel,&fill_pixel,invert, 6899 &wand->images->exception); 6900 return(status); 6901} 6902 6903/* 6904%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6905% % 6906% % 6907% % 6908% 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 % 6909% % 6910% % 6911% % 6912%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6913% 6914% MagickOptimizeImageLayers() compares each image the GIF disposed forms of the 6915% previous image in the sequence. From this it attempts to select the 6916% smallest cropped image to replace each frame, while preserving the results 6917% of the animation. 6918% 6919% The format of the MagickOptimizeImageLayers method is: 6920% 6921% MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 6922% 6923% A description of each parameter follows: 6924% 6925% o wand: the magick wand. 6926% 6927*/ 6928WandExport MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 6929{ 6930 Image 6931 *optimize_image; 6932 6933 assert(wand != (MagickWand *) NULL); 6934 assert(wand->signature == WandSignature); 6935 if (wand->debug != MagickFalse) 6936 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6937 if (wand->images == (Image *) NULL) 6938 return((MagickWand *) NULL); 6939 optimize_image=OptimizeImageLayers(wand->images,wand->exception); 6940 if (optimize_image == (Image *) NULL) 6941 return((MagickWand *) NULL); 6942 return(CloneMagickWandFromImages(wand,optimize_image)); 6943} 6944 6945/* 6946%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6947% % 6948% % 6949% % 6950% 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 % 6951% % 6952% % 6953% % 6954%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6955% 6956% MagickOrderedPosterizeImage() performs an ordered dither based on a number 6957% of pre-defined dithering threshold maps, but over multiple intensity levels, 6958% which can be different for different channels, according to the input 6959% arguments. 6960% 6961% The format of the MagickOrderedPosterizeImage method is: 6962% 6963% MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 6964% const char *threshold_map) 6965% 6966% A description of each parameter follows: 6967% 6968% o image: the image. 6969% 6970% o threshold_map: A string containing the name of the threshold dither 6971% map to use, followed by zero or more numbers representing the number of 6972% color levels tho dither between. 6973% 6974% Any level number less than 2 is equivalent to 2, and means only binary 6975% dithering will be applied to each color channel. 6976% 6977% No numbers also means a 2 level (bitmap) dither will be applied to all 6978% channels, while a single number is the number of levels applied to each 6979% channel in sequence. More numbers will be applied in turn to each of 6980% the color channels. 6981% 6982% For example: "o3x3,6" generates a 6 level posterization of the image 6983% with a ordered 3x3 diffused pixel dither being applied between each 6984% level. While checker,8,8,4 will produce a 332 colormaped image with 6985% only a single checkerboard hash pattern (50% grey) between each color 6986% level, to basically double the number of color levels with a bare 6987% minimim of dithering. 6988% 6989*/ 6990WandExport MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 6991 const char *threshold_map) 6992{ 6993 MagickBooleanType 6994 status; 6995 6996 assert(wand != (MagickWand *) NULL); 6997 assert(wand->signature == WandSignature); 6998 if (wand->debug != MagickFalse) 6999 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7000 if (wand->images == (Image *) NULL) 7001 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7002 status=OrderedPosterizeImage(wand->images,threshold_map,wand->exception); 7003 return(status); 7004} 7005 7006/* 7007%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7008% % 7009% % 7010% % 7011% M a g i c k P i n g I m a g e % 7012% % 7013% % 7014% % 7015%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7016% 7017% MagickPingImage() is like MagickReadImage() except the only valid 7018% information returned is the image width, height, size, and format. It 7019% is designed to efficiently obtain this information from a file without 7020% reading the entire image sequence into memory. 7021% 7022% The format of the MagickPingImage method is: 7023% 7024% MagickBooleanType MagickPingImage(MagickWand *wand,const char *filename) 7025% 7026% A description of each parameter follows: 7027% 7028% o wand: the magick wand. 7029% 7030% o filename: the image filename. 7031% 7032*/ 7033WandExport MagickBooleanType MagickPingImage(MagickWand *wand, 7034 const char *filename) 7035{ 7036 Image 7037 *images; 7038 7039 ImageInfo 7040 *ping_info; 7041 7042 assert(wand != (MagickWand *) NULL); 7043 assert(wand->signature == WandSignature); 7044 if (wand->debug != MagickFalse) 7045 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7046 ping_info=CloneImageInfo(wand->image_info); 7047 if (filename != (const char *) NULL) 7048 (void) CopyMagickString(ping_info->filename,filename,MaxTextExtent); 7049 images=PingImage(ping_info,wand->exception); 7050 ping_info=DestroyImageInfo(ping_info); 7051 if (images == (Image *) NULL) 7052 return(MagickFalse); 7053 return(InsertImageInWand(wand,images)); 7054} 7055 7056/* 7057%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7058% % 7059% % 7060% % 7061% M a g i c k P i n g I m a g e B l o b % 7062% % 7063% % 7064% % 7065%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7066% 7067% MagickPingImageBlob() pings an image or image sequence from a blob. 7068% 7069% The format of the MagickPingImageBlob method is: 7070% 7071% MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7072% const void *blob,const size_t length) 7073% 7074% A description of each parameter follows: 7075% 7076% o wand: the magick wand. 7077% 7078% o blob: the blob. 7079% 7080% o length: the blob length. 7081% 7082*/ 7083WandExport MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7084 const void *blob,const size_t length) 7085{ 7086 Image 7087 *images; 7088 7089 ImageInfo 7090 *read_info; 7091 7092 assert(wand != (MagickWand *) NULL); 7093 assert(wand->signature == WandSignature); 7094 if (wand->debug != MagickFalse) 7095 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7096 read_info=CloneImageInfo(wand->image_info); 7097 SetImageInfoBlob(read_info,blob,length); 7098 images=PingImage(read_info,wand->exception); 7099 read_info=DestroyImageInfo(read_info); 7100 if (images == (Image *) NULL) 7101 return(MagickFalse); 7102 return(InsertImageInWand(wand,images)); 7103} 7104 7105/* 7106%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7107% % 7108% % 7109% % 7110% M a g i c k P i n g I m a g e F i l e % 7111% % 7112% % 7113% % 7114%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7115% 7116% MagickPingImageFile() pings an image or image sequence from an open file 7117% descriptor. 7118% 7119% The format of the MagickPingImageFile method is: 7120% 7121% MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7122% 7123% A description of each parameter follows: 7124% 7125% o wand: the magick wand. 7126% 7127% o file: the file descriptor. 7128% 7129*/ 7130WandExport MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7131{ 7132 Image 7133 *images; 7134 7135 ImageInfo 7136 *read_info; 7137 7138 assert(wand != (MagickWand *) NULL); 7139 assert(wand->signature == WandSignature); 7140 assert(file != (FILE *) NULL); 7141 if (wand->debug != MagickFalse) 7142 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7143 read_info=CloneImageInfo(wand->image_info); 7144 SetImageInfoFile(read_info,file); 7145 images=PingImage(read_info,wand->exception); 7146 read_info=DestroyImageInfo(read_info); 7147 if (images == (Image *) NULL) 7148 return(MagickFalse); 7149 return(InsertImageInWand(wand,images)); 7150} 7151 7152/* 7153%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7154% % 7155% % 7156% % 7157% M a g i c k P o l a r o i d I m a g e % 7158% % 7159% % 7160% % 7161%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7162% 7163% MagickPolaroidImage() simulates a Polaroid picture. 7164% 7165% The format of the MagickPolaroidImage method is: 7166% 7167% MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7168% const DrawingWand *drawing_wand,const double angle) 7169% 7170% A description of each parameter follows: 7171% 7172% o wand: the magick wand. 7173% 7174% o drawing_wand: the draw wand. 7175% 7176% o angle: Apply the effect along this angle. 7177% 7178*/ 7179WandExport MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7180 const DrawingWand *drawing_wand,const double angle) 7181{ 7182 DrawInfo 7183 *draw_info; 7184 7185 Image 7186 *polaroid_image; 7187 7188 assert(wand != (MagickWand *) NULL); 7189 assert(wand->signature == WandSignature); 7190 if (wand->debug != MagickFalse) 7191 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7192 if (wand->images == (Image *) NULL) 7193 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7194 draw_info=PeekDrawingWand(drawing_wand); 7195 if (draw_info == (DrawInfo *) NULL) 7196 return(MagickFalse); 7197 polaroid_image=PolaroidImage(wand->images,draw_info,angle,wand->exception); 7198 if (polaroid_image == (Image *) NULL) 7199 return(MagickFalse); 7200 ReplaceImageInList(&wand->images,polaroid_image); 7201 return(MagickTrue); 7202} 7203 7204/* 7205%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7206% % 7207% % 7208% % 7209% M a g i c k P o s t e r i z e I m a g e % 7210% % 7211% % 7212% % 7213%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7214% 7215% MagickPosterizeImage() reduces the image to a limited number of color level. 7216% 7217% The format of the MagickPosterizeImage method is: 7218% 7219% MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7220% const unsigned levels,const MagickBooleanType dither) 7221% 7222% A description of each parameter follows: 7223% 7224% o wand: the magick wand. 7225% 7226% o levels: Number of color levels allowed in each channel. Very low values 7227% (2, 3, or 4) have the most visible effect. 7228% 7229% o dither: Set this integer value to something other than zero to dither 7230% the mapped image. 7231% 7232*/ 7233WandExport MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7234 const size_t levels,const MagickBooleanType dither) 7235{ 7236 MagickBooleanType 7237 status; 7238 7239 assert(wand != (MagickWand *) NULL); 7240 assert(wand->signature == WandSignature); 7241 if (wand->debug != MagickFalse) 7242 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7243 if (wand->images == (Image *) NULL) 7244 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7245 status=PosterizeImage(wand->images,levels,dither,wand->exception); 7246 return(status); 7247} 7248 7249/* 7250%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7251% % 7252% % 7253% % 7254% M a g i c k P r e v i e w I m a g e s % 7255% % 7256% % 7257% % 7258%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7259% 7260% MagickPreviewImages() tiles 9 thumbnails of the specified image with an 7261% image processing operation applied at varying strengths. This helpful 7262% to quickly pin-point an appropriate parameter for an image processing 7263% operation. 7264% 7265% The format of the MagickPreviewImages method is: 7266% 7267% MagickWand *MagickPreviewImages(MagickWand *wand, 7268% const PreviewType preview) 7269% 7270% A description of each parameter follows: 7271% 7272% o wand: the magick wand. 7273% 7274% o preview: the preview type. 7275% 7276*/ 7277WandExport MagickWand *MagickPreviewImages(MagickWand *wand, 7278 const PreviewType preview) 7279{ 7280 Image 7281 *preview_image; 7282 7283 assert(wand != (MagickWand *) NULL); 7284 assert(wand->signature == WandSignature); 7285 if (wand->debug != MagickFalse) 7286 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7287 if (wand->images == (Image *) NULL) 7288 return((MagickWand *) NULL); 7289 preview_image=PreviewImage(wand->images,preview,wand->exception); 7290 if (preview_image == (Image *) NULL) 7291 return((MagickWand *) NULL); 7292 return(CloneMagickWandFromImages(wand,preview_image)); 7293} 7294 7295/* 7296%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7297% % 7298% % 7299% % 7300% M a g i c k P r e v i o u s I m a g e % 7301% % 7302% % 7303% % 7304%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7305% 7306% MagickPreviousImage() assocates the previous image in an image list with 7307% the magick wand. 7308% 7309% The format of the MagickPreviousImage method is: 7310% 7311% MagickBooleanType MagickPreviousImage(MagickWand *wand) 7312% 7313% A description of each parameter follows: 7314% 7315% o wand: the magick wand. 7316% 7317*/ 7318WandExport MagickBooleanType MagickPreviousImage(MagickWand *wand) 7319{ 7320 assert(wand != (MagickWand *) NULL); 7321 assert(wand->signature == WandSignature); 7322 if (wand->debug != MagickFalse) 7323 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7324 if (wand->images == (Image *) NULL) 7325 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7326 if (wand->pend != MagickFalse) 7327 { 7328 wand->pend=MagickFalse; 7329 return(MagickTrue); 7330 } 7331 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 7332 { 7333 wand->pend=MagickTrue; 7334 return(MagickFalse); 7335 } 7336 wand->images=GetPreviousImageInList(wand->images); 7337 return(MagickTrue); 7338} 7339 7340/* 7341%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7342% % 7343% % 7344% % 7345% M a g i c k Q u a n t i z e I m a g e % 7346% % 7347% % 7348% % 7349%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7350% 7351% MagickQuantizeImage() analyzes the colors within a reference image and 7352% chooses a fixed number of colors to represent the image. The goal of the 7353% algorithm is to minimize the color difference between the input and output 7354% image while minimizing the processing time. 7355% 7356% The format of the MagickQuantizeImage method is: 7357% 7358% MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7359% const size_t number_colors,const ColorspaceType colorspace, 7360% const size_t treedepth,const MagickBooleanType dither, 7361% const MagickBooleanType measure_error) 7362% 7363% A description of each parameter follows: 7364% 7365% o wand: the magick wand. 7366% 7367% o number_colors: the number of colors. 7368% 7369% o colorspace: Perform color reduction in this colorspace, typically 7370% RGBColorspace. 7371% 7372% o treedepth: Normally, this integer value is zero or one. A zero or 7373% 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 7374% reference image with the least amount of memory and the fastest 7375% computational speed. In some cases, such as an image with low color 7376% dispersion (a few number of colors), a value other than 7377% Log4(number_colors) is required. To expand the color tree completely, 7378% use a value of 8. 7379% 7380% o dither: A value other than zero distributes the difference between an 7381% original image and the corresponding color reduced image to 7382% neighboring pixels along a Hilbert curve. 7383% 7384% o measure_error: A value other than zero measures the difference between 7385% the original and quantized images. This difference is the total 7386% quantization error. The error is computed by summing over all pixels 7387% in an image the distance squared in RGB space between each reference 7388% pixel value and its quantized value. 7389% 7390*/ 7391WandExport MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7392 const size_t number_colors,const ColorspaceType colorspace, 7393 const size_t treedepth,const MagickBooleanType dither, 7394 const MagickBooleanType measure_error) 7395{ 7396 MagickBooleanType 7397 status; 7398 7399 QuantizeInfo 7400 *quantize_info; 7401 7402 assert(wand != (MagickWand *) NULL); 7403 assert(wand->signature == WandSignature); 7404 if (wand->debug != MagickFalse) 7405 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7406 if (wand->images == (Image *) NULL) 7407 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7408 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7409 quantize_info->number_colors=number_colors; 7410 quantize_info->dither=dither; 7411 quantize_info->tree_depth=treedepth; 7412 quantize_info->colorspace=colorspace; 7413 quantize_info->measure_error=measure_error; 7414 status=QuantizeImage(quantize_info,wand->images,wand->exception); 7415 quantize_info=DestroyQuantizeInfo(quantize_info); 7416 return(status); 7417} 7418 7419/* 7420%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7421% % 7422% % 7423% % 7424% M a g i c k Q u a n t i z e I m a g e s % 7425% % 7426% % 7427% % 7428%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7429% 7430% MagickQuantizeImages() analyzes the colors within a sequence of images and 7431% chooses a fixed number of colors to represent the image. The goal of the 7432% algorithm is to minimize the color difference between the input and output 7433% image while minimizing the processing time. 7434% 7435% The format of the MagickQuantizeImages method is: 7436% 7437% MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7438% const size_t number_colors,const ColorspaceType colorspace, 7439% const size_t treedepth,const MagickBooleanType dither, 7440% const MagickBooleanType measure_error) 7441% 7442% A description of each parameter follows: 7443% 7444% o wand: the magick wand. 7445% 7446% o number_colors: the number of colors. 7447% 7448% o colorspace: Perform color reduction in this colorspace, typically 7449% RGBColorspace. 7450% 7451% o treedepth: Normally, this integer value is zero or one. A zero or 7452% 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 7453% reference image with the least amount of memory and the fastest 7454% computational speed. In some cases, such as an image with low color 7455% dispersion (a few number of colors), a value other than 7456% Log4(number_colors) is required. To expand the color tree completely, 7457% use a value of 8. 7458% 7459% o dither: A value other than zero distributes the difference between an 7460% original image and the corresponding color reduced algorithm to 7461% neighboring pixels along a Hilbert curve. 7462% 7463% o measure_error: A value other than zero measures the difference between 7464% the original and quantized images. This difference is the total 7465% quantization error. The error is computed by summing over all pixels 7466% in an image the distance squared in RGB space between each reference 7467% pixel value and its quantized value. 7468% 7469*/ 7470WandExport MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7471 const size_t number_colors,const ColorspaceType colorspace, 7472 const size_t treedepth,const MagickBooleanType dither, 7473 const MagickBooleanType measure_error) 7474{ 7475 MagickBooleanType 7476 status; 7477 7478 QuantizeInfo 7479 *quantize_info; 7480 7481 assert(wand != (MagickWand *) NULL); 7482 assert(wand->signature == WandSignature); 7483 if (wand->debug != MagickFalse) 7484 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7485 if (wand->images == (Image *) NULL) 7486 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7487 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7488 quantize_info->number_colors=number_colors; 7489 quantize_info->dither=dither; 7490 quantize_info->tree_depth=treedepth; 7491 quantize_info->colorspace=colorspace; 7492 quantize_info->measure_error=measure_error; 7493 status=QuantizeImages(quantize_info,wand->images,wand->exception); 7494 quantize_info=DestroyQuantizeInfo(quantize_info); 7495 return(status); 7496} 7497 7498/* 7499%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7500% % 7501% % 7502% % 7503% M a g i c k R a d i a l B l u r I m a g e % 7504% % 7505% % 7506% % 7507%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7508% 7509% MagickRadialBlurImage() radial blurs an image. 7510% 7511% The format of the MagickRadialBlurImage method is: 7512% 7513% MagickBooleanType MagickRadialBlurImage(MagickWand *wand, 7514% const double angle) 7515% 7516% A description of each parameter follows: 7517% 7518% o wand: the magick wand. 7519% 7520% o angle: the angle of the blur in degrees. 7521% 7522*/ 7523WandExport MagickBooleanType MagickRadialBlurImage(MagickWand *wand, 7524 const double angle) 7525{ 7526 Image 7527 *blur_image; 7528 7529 assert(wand != (MagickWand *) NULL); 7530 assert(wand->signature == WandSignature); 7531 if (wand->debug != MagickFalse) 7532 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7533 if (wand->images == (Image *) NULL) 7534 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7535 blur_image=RadialBlurImage(wand->images,angle,wand->exception); 7536 if (blur_image == (Image *) NULL) 7537 return(MagickFalse); 7538 ReplaceImageInList(&wand->images,blur_image); 7539 return(MagickTrue); 7540} 7541 7542/* 7543%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7544% % 7545% % 7546% % 7547% M a g i c k R a i s e I m a g e % 7548% % 7549% % 7550% % 7551%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7552% 7553% MagickRaiseImage() creates a simulated three-dimensional button-like effect 7554% by lightening and darkening the edges of the image. Members width and 7555% height of raise_info define the width of the vertical and horizontal 7556% edge of the effect. 7557% 7558% The format of the MagickRaiseImage method is: 7559% 7560% MagickBooleanType MagickRaiseImage(MagickWand *wand, 7561% const size_t width,const size_t height,const ssize_t x, 7562% const ssize_t y,const MagickBooleanType raise) 7563% 7564% A description of each parameter follows: 7565% 7566% o wand: the magick wand. 7567% 7568% o width,height,x,y: Define the dimensions of the area to raise. 7569% 7570% o raise: A value other than zero creates a 3-D raise effect, 7571% otherwise it has a lowered effect. 7572% 7573*/ 7574WandExport MagickBooleanType MagickRaiseImage(MagickWand *wand, 7575 const size_t width,const size_t height,const ssize_t x, 7576 const ssize_t y,const MagickBooleanType raise) 7577{ 7578 MagickBooleanType 7579 status; 7580 7581 RectangleInfo 7582 raise_info; 7583 7584 assert(wand != (MagickWand *) NULL); 7585 assert(wand->signature == WandSignature); 7586 if (wand->debug != MagickFalse) 7587 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7588 if (wand->images == (Image *) NULL) 7589 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7590 raise_info.width=width; 7591 raise_info.height=height; 7592 raise_info.x=x; 7593 raise_info.y=y; 7594 status=RaiseImage(wand->images,&raise_info,raise,&wand->images->exception); 7595 return(status); 7596} 7597 7598/* 7599%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7600% % 7601% % 7602% % 7603% 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 % 7604% % 7605% % 7606% % 7607%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7608% 7609% MagickRandomThresholdImage() changes the value of individual pixels based on 7610% the intensity of each pixel compared to threshold. The result is a 7611% high-contrast, two color image. 7612% 7613% The format of the MagickRandomThresholdImage method is: 7614% 7615% MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 7616% const double low,const double high) 7617% 7618% A description of each parameter follows: 7619% 7620% o wand: the magick wand. 7621% 7622% o low,high: Specify the high and low thresholds. These values range from 7623% 0 to QuantumRange. 7624% 7625*/ 7626WandExport MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 7627 const double low,const double high) 7628{ 7629 char 7630 threshold[MaxTextExtent]; 7631 7632 MagickBooleanType 7633 status; 7634 7635 assert(wand != (MagickWand *) NULL); 7636 assert(wand->signature == WandSignature); 7637 if (wand->debug != MagickFalse) 7638 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7639 if (wand->images == (Image *) NULL) 7640 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7641 (void) FormatLocaleString(threshold,MaxTextExtent,"%gx%g",low,high); 7642 status=RandomThresholdImage(wand->images,threshold,wand->exception); 7643 if (status == MagickFalse) 7644 InheritException(wand->exception,&wand->images->exception); 7645 return(status); 7646} 7647 7648/* 7649%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7650% % 7651% % 7652% % 7653% M a g i c k R e a d I m a g e % 7654% % 7655% % 7656% % 7657%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7658% 7659% MagickReadImage() reads an image or image sequence. The images are inserted 7660% at the current image pointer position. Use MagickSetFirstIterator(), 7661% MagickSetLastIterator, or MagickSetImageIndex() to specify the current 7662% image pointer position at the beginning of the image list, the end, or 7663% anywhere in-between respectively. 7664% 7665% The format of the MagickReadImage method is: 7666% 7667% MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename) 7668% 7669% A description of each parameter follows: 7670% 7671% o wand: the magick wand. 7672% 7673% o filename: the image filename. 7674% 7675*/ 7676WandExport MagickBooleanType MagickReadImage(MagickWand *wand, 7677 const char *filename) 7678{ 7679 Image 7680 *images; 7681 7682 ImageInfo 7683 *read_info; 7684 7685 assert(wand != (MagickWand *) NULL); 7686 assert(wand->signature == WandSignature); 7687 if (wand->debug != MagickFalse) 7688 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7689 read_info=CloneImageInfo(wand->image_info); 7690 if (filename != (const char *) NULL) 7691 (void) CopyMagickString(read_info->filename,filename,MaxTextExtent); 7692 images=ReadImage(read_info,wand->exception); 7693 read_info=DestroyImageInfo(read_info); 7694 if (images == (Image *) NULL) 7695 return(MagickFalse); 7696 return(InsertImageInWand(wand,images)); 7697} 7698 7699/* 7700%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7701% % 7702% % 7703% % 7704% M a g i c k R e a d I m a g e B l o b % 7705% % 7706% % 7707% % 7708%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7709% 7710% MagickReadImageBlob() reads an image or image sequence from a blob. 7711% 7712% The format of the MagickReadImageBlob method is: 7713% 7714% MagickBooleanType MagickReadImageBlob(MagickWand *wand, 7715% const void *blob,const size_t length) 7716% 7717% A description of each parameter follows: 7718% 7719% o wand: the magick wand. 7720% 7721% o blob: the blob. 7722% 7723% o length: the blob length. 7724% 7725*/ 7726WandExport MagickBooleanType MagickReadImageBlob(MagickWand *wand, 7727 const void *blob,const size_t length) 7728{ 7729 Image 7730 *images; 7731 7732 assert(wand != (MagickWand *) NULL); 7733 assert(wand->signature == WandSignature); 7734 if (wand->debug != MagickFalse) 7735 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7736 images=BlobToImage(wand->image_info,blob,length,wand->exception); 7737 if (images == (Image *) NULL) 7738 return(MagickFalse); 7739 return(InsertImageInWand(wand,images)); 7740} 7741 7742/* 7743%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7744% % 7745% % 7746% % 7747% M a g i c k R e a d I m a g e F i l e % 7748% % 7749% % 7750% % 7751%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7752% 7753% MagickReadImageFile() reads an image or image sequence from an open file 7754% descriptor. 7755% 7756% The format of the MagickReadImageFile method is: 7757% 7758% MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 7759% 7760% A description of each parameter follows: 7761% 7762% o wand: the magick wand. 7763% 7764% o file: the file descriptor. 7765% 7766*/ 7767WandExport MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 7768{ 7769 Image 7770 *images; 7771 7772 ImageInfo 7773 *read_info; 7774 7775 assert(wand != (MagickWand *) NULL); 7776 assert(wand->signature == WandSignature); 7777 assert(file != (FILE *) NULL); 7778 if (wand->debug != MagickFalse) 7779 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7780 read_info=CloneImageInfo(wand->image_info); 7781 SetImageInfoFile(read_info,file); 7782 images=ReadImage(read_info,wand->exception); 7783 read_info=DestroyImageInfo(read_info); 7784 if (images == (Image *) NULL) 7785 return(MagickFalse); 7786 return(InsertImageInWand(wand,images)); 7787} 7788 7789/* 7790%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7791% % 7792% % 7793% % 7794% M a g i c k R e m a p I m a g e % 7795% % 7796% % 7797% % 7798%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7799% 7800% MagickRemapImage() replaces the colors of an image with the closest color 7801% from a reference image. 7802% 7803% The format of the MagickRemapImage method is: 7804% 7805% MagickBooleanType MagickRemapImage(MagickWand *wand, 7806% const MagickWand *remap_wand,const DitherMethod method) 7807% 7808% A description of each parameter follows: 7809% 7810% o wand: the magick wand. 7811% 7812% o affinity: the affinity wand. 7813% 7814% o method: choose from these dither methods: NoDitherMethod, 7815% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7816% 7817*/ 7818WandExport MagickBooleanType MagickRemapImage(MagickWand *wand, 7819 const MagickWand *remap_wand,const DitherMethod method) 7820{ 7821 MagickBooleanType 7822 status; 7823 7824 QuantizeInfo 7825 *quantize_info; 7826 7827 assert(wand != (MagickWand *) NULL); 7828 assert(wand->signature == WandSignature); 7829 if (wand->debug != MagickFalse) 7830 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7831 if ((wand->images == (Image *) NULL) || 7832 (remap_wand->images == (Image *) NULL)) 7833 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7834 quantize_info=AcquireQuantizeInfo(wand->image_info); 7835 quantize_info->dither_method=method; 7836 if (method == NoDitherMethod) 7837 quantize_info->dither=MagickFalse; 7838 status=RemapImage(quantize_info,wand->images,remap_wand->images, 7839 wand->exception); 7840 quantize_info=DestroyQuantizeInfo(quantize_info); 7841 return(status); 7842} 7843 7844/* 7845%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7846% % 7847% % 7848% % 7849% M a g i c k R e m o v e I m a g e % 7850% % 7851% % 7852% % 7853%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7854% 7855% MagickRemoveImage() removes an image from the image list. 7856% 7857% The format of the MagickRemoveImage method is: 7858% 7859% MagickBooleanType MagickRemoveImage(MagickWand *wand) 7860% 7861% A description of each parameter follows: 7862% 7863% o wand: the magick wand. 7864% 7865% o insert: the splice wand. 7866% 7867*/ 7868WandExport MagickBooleanType MagickRemoveImage(MagickWand *wand) 7869{ 7870 assert(wand != (MagickWand *) NULL); 7871 assert(wand->signature == WandSignature); 7872 if (wand->debug != MagickFalse) 7873 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7874 if (wand->images == (Image *) NULL) 7875 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7876 DeleteImageFromList(&wand->images); 7877 return(MagickTrue); 7878} 7879 7880/* 7881%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7882% % 7883% % 7884% % 7885% M a g i c k R e s a m p l e I m a g e % 7886% % 7887% % 7888% % 7889%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7890% 7891% MagickResampleImage() resample image to desired resolution. 7892% 7893% Bessel Blackman Box 7894% Catrom Cubic Gaussian 7895% Hanning Hermite Lanczos 7896% Mitchell Point Quandratic 7897% Sinc Triangle 7898% 7899% Most of the filters are FIR (finite impulse response), however, Bessel, 7900% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 7901% are windowed (brought down to zero) with the Blackman filter. 7902% 7903% The format of the MagickResampleImage method is: 7904% 7905% MagickBooleanType MagickResampleImage(MagickWand *wand, 7906% const double x_resolution,const double y_resolution, 7907% const FilterTypes filter,const double blur) 7908% 7909% A description of each parameter follows: 7910% 7911% o wand: the magick wand. 7912% 7913% o x_resolution: the new image x resolution. 7914% 7915% o y_resolution: the new image y resolution. 7916% 7917% o filter: Image filter to use. 7918% 7919% o blur: the blur factor where > 1 is blurry, < 1 is sharp. 7920% 7921*/ 7922WandExport MagickBooleanType MagickResampleImage(MagickWand *wand, 7923 const double x_resolution,const double y_resolution,const FilterTypes filter, 7924 const double blur) 7925{ 7926 Image 7927 *resample_image; 7928 7929 assert(wand != (MagickWand *) NULL); 7930 assert(wand->signature == WandSignature); 7931 if (wand->debug != MagickFalse) 7932 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7933 if (wand->images == (Image *) NULL) 7934 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7935 resample_image=ResampleImage(wand->images,x_resolution,y_resolution,filter, 7936 blur,wand->exception); 7937 if (resample_image == (Image *) NULL) 7938 return(MagickFalse); 7939 ReplaceImageInList(&wand->images,resample_image); 7940 return(MagickTrue); 7941} 7942 7943/* 7944%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7945% % 7946% % 7947% % 7948% M a g i c k R e s e t I m a g e P a g e % 7949% % 7950% % 7951% % 7952%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7953% 7954% MagickResetImagePage() resets the Wand page canvas and position. 7955% 7956% The format of the MagickResetImagePage method is: 7957% 7958% MagickBooleanType MagickResetImagePage(MagickWand *wand, 7959% const char *page) 7960% 7961% A description of each parameter follows: 7962% 7963% o wand: the magick wand. 7964% 7965% o page: the relative page specification. 7966% 7967*/ 7968WandExport MagickBooleanType MagickResetImagePage(MagickWand *wand, 7969 const char *page) 7970{ 7971 assert(wand != (MagickWand *) NULL); 7972 assert(wand->signature == WandSignature); 7973 if (wand->debug != MagickFalse) 7974 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7975 if (wand->images == (Image *) NULL) 7976 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7977 if ((page == (char *) NULL) || (*page == '\0')) 7978 { 7979 (void) ParseAbsoluteGeometry("0x0+0+0",&wand->images->page); 7980 return(MagickTrue); 7981 } 7982 return(ResetImagePage(wand->images,page)); 7983} 7984 7985/* 7986%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7987% % 7988% % 7989% % 7990% M a g i c k R e s i z e I m a g e % 7991% % 7992% % 7993% % 7994%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7995% 7996% MagickResizeImage() scales an image to the desired dimensions with one of 7997% these filters: 7998% 7999% Bessel Blackman Box 8000% Catrom Cubic Gaussian 8001% Hanning Hermite Lanczos 8002% Mitchell Point Quandratic 8003% Sinc Triangle 8004% 8005% Most of the filters are FIR (finite impulse response), however, Bessel, 8006% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8007% are windowed (brought down to zero) with the Blackman filter. 8008% 8009% The format of the MagickResizeImage method is: 8010% 8011% MagickBooleanType MagickResizeImage(MagickWand *wand, 8012% const size_t columns,const size_t rows, 8013% const FilterTypes filter,const double blur) 8014% 8015% A description of each parameter follows: 8016% 8017% o wand: the magick wand. 8018% 8019% o columns: the number of columns in the scaled image. 8020% 8021% o rows: the number of rows in the scaled image. 8022% 8023% o filter: Image filter to use. 8024% 8025% o blur: the blur factor where > 1 is blurry, < 1 is sharp. 8026% 8027*/ 8028WandExport MagickBooleanType MagickResizeImage(MagickWand *wand, 8029 const size_t columns,const size_t rows,const FilterTypes filter, 8030 const double blur) 8031{ 8032 Image 8033 *resize_image; 8034 8035 assert(wand != (MagickWand *) NULL); 8036 assert(wand->signature == WandSignature); 8037 if (wand->debug != MagickFalse) 8038 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8039 if (wand->images == (Image *) NULL) 8040 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8041 resize_image=ResizeImage(wand->images,columns,rows,filter,blur, 8042 wand->exception); 8043 if (resize_image == (Image *) NULL) 8044 return(MagickFalse); 8045 ReplaceImageInList(&wand->images,resize_image); 8046 return(MagickTrue); 8047} 8048 8049/* 8050%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8051% % 8052% % 8053% % 8054% M a g i c k R o l l I m a g e % 8055% % 8056% % 8057% % 8058%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8059% 8060% MagickRollImage() offsets an image as defined by x and y. 8061% 8062% The format of the MagickRollImage method is: 8063% 8064% MagickBooleanType MagickRollImage(MagickWand *wand,const ssize_t x, 8065% const size_t y) 8066% 8067% A description of each parameter follows: 8068% 8069% o wand: the magick wand. 8070% 8071% o x: the x offset. 8072% 8073% o y: the y offset. 8074% 8075% 8076*/ 8077WandExport MagickBooleanType MagickRollImage(MagickWand *wand, 8078 const ssize_t x,const ssize_t y) 8079{ 8080 Image 8081 *roll_image; 8082 8083 assert(wand != (MagickWand *) NULL); 8084 assert(wand->signature == WandSignature); 8085 if (wand->debug != MagickFalse) 8086 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8087 if (wand->images == (Image *) NULL) 8088 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8089 roll_image=RollImage(wand->images,x,y,wand->exception); 8090 if (roll_image == (Image *) NULL) 8091 return(MagickFalse); 8092 ReplaceImageInList(&wand->images,roll_image); 8093 return(MagickTrue); 8094} 8095 8096/* 8097%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8098% % 8099% % 8100% % 8101% M a g i c k R o t a t e I m a g e % 8102% % 8103% % 8104% % 8105%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8106% 8107% MagickRotateImage() rotates an image the specified number of degrees. Empty 8108% triangles left over from rotating the image are filled with the 8109% background color. 8110% 8111% The format of the MagickRotateImage method is: 8112% 8113% MagickBooleanType MagickRotateImage(MagickWand *wand, 8114% const PixelWand *background,const double degrees) 8115% 8116% A description of each parameter follows: 8117% 8118% o wand: the magick wand. 8119% 8120% o background: the background pixel wand. 8121% 8122% o degrees: the number of degrees to rotate the image. 8123% 8124% 8125*/ 8126WandExport MagickBooleanType MagickRotateImage(MagickWand *wand, 8127 const PixelWand *background,const double degrees) 8128{ 8129 Image 8130 *rotate_image; 8131 8132 assert(wand != (MagickWand *) NULL); 8133 assert(wand->signature == WandSignature); 8134 if (wand->debug != MagickFalse) 8135 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8136 if (wand->images == (Image *) NULL) 8137 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8138 PixelGetQuantumPacket(background,&wand->images->background_color); 8139 rotate_image=RotateImage(wand->images,degrees,wand->exception); 8140 if (rotate_image == (Image *) NULL) 8141 return(MagickFalse); 8142 ReplaceImageInList(&wand->images,rotate_image); 8143 return(MagickTrue); 8144} 8145 8146/* 8147%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8148% % 8149% % 8150% % 8151% M a g i c k S a m p l e I m a g e % 8152% % 8153% % 8154% % 8155%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8156% 8157% MagickSampleImage() scales an image to the desired dimensions with pixel 8158% sampling. Unlike other scaling methods, this method does not introduce 8159% any additional color into the scaled image. 8160% 8161% The format of the MagickSampleImage method is: 8162% 8163% MagickBooleanType MagickSampleImage(MagickWand *wand, 8164% const size_t columns,const size_t rows) 8165% 8166% A description of each parameter follows: 8167% 8168% o wand: the magick wand. 8169% 8170% o columns: the number of columns in the scaled image. 8171% 8172% o rows: the number of rows in the scaled image. 8173% 8174% 8175*/ 8176WandExport MagickBooleanType MagickSampleImage(MagickWand *wand, 8177 const size_t columns,const size_t rows) 8178{ 8179 Image 8180 *sample_image; 8181 8182 assert(wand != (MagickWand *) NULL); 8183 assert(wand->signature == WandSignature); 8184 if (wand->debug != MagickFalse) 8185 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8186 if (wand->images == (Image *) NULL) 8187 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8188 sample_image=SampleImage(wand->images,columns,rows,wand->exception); 8189 if (sample_image == (Image *) NULL) 8190 return(MagickFalse); 8191 ReplaceImageInList(&wand->images,sample_image); 8192 return(MagickTrue); 8193} 8194 8195/* 8196%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8197% % 8198% % 8199% % 8200% M a g i c k S c a l e I m a g e % 8201% % 8202% % 8203% % 8204%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8205% 8206% MagickScaleImage() scales the size of an image to the given dimensions. 8207% 8208% The format of the MagickScaleImage method is: 8209% 8210% MagickBooleanType MagickScaleImage(MagickWand *wand, 8211% const size_t columns,const size_t rows) 8212% 8213% A description of each parameter follows: 8214% 8215% o wand: the magick wand. 8216% 8217% o columns: the number of columns in the scaled image. 8218% 8219% o rows: the number of rows in the scaled image. 8220% 8221% 8222*/ 8223WandExport MagickBooleanType MagickScaleImage(MagickWand *wand, 8224 const size_t columns,const size_t rows) 8225{ 8226 Image 8227 *scale_image; 8228 8229 assert(wand != (MagickWand *) NULL); 8230 assert(wand->signature == WandSignature); 8231 if (wand->debug != MagickFalse) 8232 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8233 if (wand->images == (Image *) NULL) 8234 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8235 scale_image=ScaleImage(wand->images,columns,rows,wand->exception); 8236 if (scale_image == (Image *) NULL) 8237 return(MagickFalse); 8238 ReplaceImageInList(&wand->images,scale_image); 8239 return(MagickTrue); 8240} 8241 8242/* 8243%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8244% % 8245% % 8246% % 8247% M a g i c k S e g m e n t I m a g e % 8248% % 8249% % 8250% % 8251%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8252% 8253% MagickSegmentImage() segments an image by analyzing the histograms of the 8254% color components and identifying units that are homogeneous with the fuzzy 8255% C-means technique. 8256% 8257% The format of the SegmentImage method is: 8258% 8259% MagickBooleanType MagickSegmentImage(MagickWand *wand, 8260% const ColorspaceType colorspace,const MagickBooleanType verbose, 8261% const double cluster_threshold,const double smooth_threshold) 8262% 8263% A description of each parameter follows. 8264% 8265% o wand: the wand. 8266% 8267% o colorspace: the image colorspace. 8268% 8269% o verbose: Set to MagickTrue to print detailed information about the 8270% identified classes. 8271% 8272% o cluster_threshold: This represents the minimum number of pixels 8273% contained in a hexahedra before it can be considered valid (expressed as 8274% a percentage). 8275% 8276% o smooth_threshold: the smoothing threshold eliminates noise in the second 8277% derivative of the histogram. As the value is increased, you can expect a 8278% smoother second derivative. 8279% 8280*/ 8281MagickExport MagickBooleanType MagickSegmentImage(MagickWand *wand, 8282 const ColorspaceType colorspace,const MagickBooleanType verbose, 8283 const double cluster_threshold,const double smooth_threshold) 8284{ 8285 MagickBooleanType 8286 status; 8287 8288 assert(wand != (MagickWand *) NULL); 8289 assert(wand->signature == WandSignature); 8290 if (wand->debug != MagickFalse) 8291 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8292 if (wand->images == (Image *) NULL) 8293 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8294 status=SegmentImage(wand->images,colorspace,verbose,cluster_threshold, 8295 smooth_threshold,wand->exception); 8296 return(status); 8297} 8298 8299/* 8300%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8301% % 8302% % 8303% % 8304% M a g i c k S e l e c t i v e B l u r I m a g e % 8305% % 8306% % 8307% % 8308%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8309% 8310% MagickSelectiveBlurImage() selectively blur an image within a contrast 8311% threshold. It is similar to the unsharpen mask that sharpens everything with 8312% contrast above a certain threshold. 8313% 8314% The format of the MagickSelectiveBlurImage method is: 8315% 8316% MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8317% const double radius,const double sigma,const double threshold) 8318% 8319% A description of each parameter follows: 8320% 8321% o wand: the magick wand. 8322% 8323% o radius: the radius of the gaussian, in pixels, not counting the center 8324% pixel. 8325% 8326% o sigma: the standard deviation of the gaussian, in pixels. 8327% 8328% o threshold: only pixels within this contrast threshold are included 8329% in the blur operation. 8330% 8331*/ 8332WandExport MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8333 const double radius,const double sigma,const double threshold) 8334{ 8335 Image 8336 *blur_image; 8337 8338 assert(wand != (MagickWand *) NULL); 8339 assert(wand->signature == WandSignature); 8340 if (wand->debug != MagickFalse) 8341 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8342 if (wand->images == (Image *) NULL) 8343 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8344 blur_image=SelectiveBlurImage(wand->images,radius,sigma,threshold, 8345 wand->exception); 8346 if (blur_image == (Image *) NULL) 8347 return(MagickFalse); 8348 ReplaceImageInList(&wand->images,blur_image); 8349 return(MagickTrue); 8350} 8351 8352/* 8353%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8354% % 8355% % 8356% % 8357% 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 % 8358% % 8359% % 8360% % 8361%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8362% 8363% MagickSeparateImage() separates a channel from the image and returns a 8364% grayscale image. A channel is a particular color component of each pixel 8365% in the image. 8366% 8367% The format of the MagickSeparateImage method is: 8368% 8369% MagickBooleanType MagickSeparateImage(MagickWand *wand) 8370% 8371% A description of each parameter follows: 8372% 8373% o wand: the magick wand. 8374% 8375*/ 8376WandExport MagickBooleanType MagickSeparateImage(MagickWand *wand) 8377{ 8378 MagickBooleanType 8379 status; 8380 8381 assert(wand != (MagickWand *) NULL); 8382 assert(wand->signature == WandSignature); 8383 if (wand->debug != MagickFalse) 8384 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8385 if (wand->images == (Image *) NULL) 8386 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8387 status=SeparateImage(wand->images); 8388 if (status == MagickFalse) 8389 InheritException(wand->exception,&wand->images->exception); 8390 return(status); 8391} 8392 8393/* 8394%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8395% % 8396% % 8397% % 8398% M a g i c k S e p i a T o n e I m a g e % 8399% % 8400% % 8401% % 8402%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8403% 8404% MagickSepiaToneImage() applies a special effect to the image, similar to the 8405% effect achieved in a photo darkroom by sepia toning. Threshold ranges from 8406% 0 to QuantumRange and is a measure of the extent of the sepia toning. A 8407% threshold of 80% is a good starting point for a reasonable tone. 8408% 8409% The format of the MagickSepiaToneImage method is: 8410% 8411% MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8412% const double threshold) 8413% 8414% A description of each parameter follows: 8415% 8416% o wand: the magick wand. 8417% 8418% o threshold: Define the extent of the sepia toning. 8419% 8420*/ 8421WandExport MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8422 const double threshold) 8423{ 8424 Image 8425 *sepia_image; 8426 8427 assert(wand != (MagickWand *) NULL); 8428 assert(wand->signature == WandSignature); 8429 if (wand->debug != MagickFalse) 8430 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8431 if (wand->images == (Image *) NULL) 8432 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8433 sepia_image=SepiaToneImage(wand->images,threshold,wand->exception); 8434 if (sepia_image == (Image *) NULL) 8435 return(MagickFalse); 8436 ReplaceImageInList(&wand->images,sepia_image); 8437 return(MagickTrue); 8438} 8439 8440/* 8441%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8442% % 8443% % 8444% % 8445% M a g i c k S e t I m a g e % 8446% % 8447% % 8448% % 8449%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8450% 8451% MagickSetImage() replaces the last image returned by MagickSetImageIndex(), 8452% MagickNextImage(), MagickPreviousImage() with the images from the specified 8453% wand. 8454% 8455% The format of the MagickSetImage method is: 8456% 8457% MagickBooleanType MagickSetImage(MagickWand *wand, 8458% const MagickWand *set_wand) 8459% 8460% A description of each parameter follows: 8461% 8462% o wand: the magick wand. 8463% 8464% o set_wand: the set_wand wand. 8465% 8466*/ 8467WandExport MagickBooleanType MagickSetImage(MagickWand *wand, 8468 const MagickWand *set_wand) 8469{ 8470 Image 8471 *images; 8472 8473 assert(wand != (MagickWand *) NULL); 8474 assert(wand->signature == WandSignature); 8475 if (wand->debug != MagickFalse) 8476 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8477 assert(set_wand != (MagickWand *) NULL); 8478 assert(set_wand->signature == WandSignature); 8479 if (wand->debug != MagickFalse) 8480 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",set_wand->name); 8481 if (set_wand->images == (Image *) NULL) 8482 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8483 images=CloneImageList(set_wand->images,wand->exception); 8484 if (images == (Image *) NULL) 8485 return(MagickFalse); 8486 ReplaceImageInList(&wand->images,images); 8487 return(MagickTrue); 8488} 8489 8490/* 8491%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8492% % 8493% % 8494% % 8495% 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 % 8496% % 8497% % 8498% % 8499%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8500% 8501% MagickSetImageAlphaChannel() activates, deactivates, resets, or sets the 8502% alpha channel. 8503% 8504% The format of the MagickSetImageAlphaChannel method is: 8505% 8506% MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8507% const AlphaChannelType alpha_type) 8508% 8509% A description of each parameter follows: 8510% 8511% o wand: the magick wand. 8512% 8513% o alpha_type: the alpha channel type: ActivateAlphaChannel, 8514% DeactivateAlphaChannel, OpaqueAlphaChannel, or SetAlphaChannel. 8515% 8516*/ 8517WandExport MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8518 const AlphaChannelType alpha_type) 8519{ 8520 assert(wand != (MagickWand *) NULL); 8521 assert(wand->signature == WandSignature); 8522 if (wand->debug != MagickFalse) 8523 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8524 if (wand->images == (Image *) NULL) 8525 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8526 return(SetImageAlphaChannel(wand->images,alpha_type,&wand->images->exception)); 8527} 8528 8529/* 8530%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8531% % 8532% % 8533% % 8534% 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 % 8535% % 8536% % 8537% % 8538%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8539% 8540% MagickSetImageBackgroundColor() sets the image background color. 8541% 8542% The format of the MagickSetImageBackgroundColor method is: 8543% 8544% MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 8545% const PixelWand *background) 8546% 8547% A description of each parameter follows: 8548% 8549% o wand: the magick wand. 8550% 8551% o background: the background pixel wand. 8552% 8553*/ 8554WandExport MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 8555 const PixelWand *background) 8556{ 8557 assert(wand != (MagickWand *) NULL); 8558 assert(wand->signature == WandSignature); 8559 if (wand->debug != MagickFalse) 8560 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8561 if (wand->images == (Image *) NULL) 8562 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8563 PixelGetQuantumPacket(background,&wand->images->background_color); 8564 return(MagickTrue); 8565} 8566 8567/* 8568%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8569% % 8570% % 8571% % 8572% M a g i c k S e t I m a g e B i a s % 8573% % 8574% % 8575% % 8576%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8577% 8578% MagickSetImageBias() sets the image bias for any method that convolves an 8579% image (e.g. MagickConvolveImage()). 8580% 8581% The format of the MagickSetImageBias method is: 8582% 8583% MagickBooleanType MagickSetImageBias(MagickWand *wand, 8584% const double bias) 8585% 8586% A description of each parameter follows: 8587% 8588% o wand: the magick wand. 8589% 8590% o bias: the image bias. 8591% 8592*/ 8593WandExport MagickBooleanType MagickSetImageBias(MagickWand *wand, 8594 const double bias) 8595{ 8596 assert(wand != (MagickWand *) NULL); 8597 assert(wand->signature == WandSignature); 8598 if (wand->debug != MagickFalse) 8599 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8600 if (wand->images == (Image *) NULL) 8601 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8602 wand->images->bias=bias; 8603 return(MagickTrue); 8604} 8605 8606/* 8607%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8608% % 8609% % 8610% % 8611% 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 % 8612% % 8613% % 8614% % 8615%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8616% 8617% MagickSetImageBluePrimary() sets the image chromaticity blue primary point. 8618% 8619% The format of the MagickSetImageBluePrimary method is: 8620% 8621% MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 8622% const double x,const double y) 8623% 8624% A description of each parameter follows: 8625% 8626% o wand: the magick wand. 8627% 8628% o x: the blue primary x-point. 8629% 8630% o y: the blue primary y-point. 8631% 8632*/ 8633WandExport MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 8634 const double x,const double y) 8635{ 8636 assert(wand != (MagickWand *) NULL); 8637 assert(wand->signature == WandSignature); 8638 if (wand->debug != MagickFalse) 8639 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8640 if (wand->images == (Image *) NULL) 8641 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8642 wand->images->chromaticity.blue_primary.x=x; 8643 wand->images->chromaticity.blue_primary.y=y; 8644 return(MagickTrue); 8645} 8646 8647/* 8648%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8649% % 8650% % 8651% % 8652% 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 % 8653% % 8654% % 8655% % 8656%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8657% 8658% MagickSetImageBorderColor() sets the image border color. 8659% 8660% The format of the MagickSetImageBorderColor method is: 8661% 8662% MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 8663% const PixelWand *border) 8664% 8665% A description of each parameter follows: 8666% 8667% o wand: the magick wand. 8668% 8669% o border: the border pixel wand. 8670% 8671*/ 8672WandExport MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 8673 const PixelWand *border) 8674{ 8675 assert(wand != (MagickWand *) NULL); 8676 assert(wand->signature == WandSignature); 8677 if (wand->debug != MagickFalse) 8678 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8679 if (wand->images == (Image *) NULL) 8680 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8681 PixelGetQuantumPacket(border,&wand->images->border_color); 8682 return(MagickTrue); 8683} 8684 8685/* 8686%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8687% % 8688% % 8689% % 8690% M a g i c k S e t I m a g e C l i p M a s k % 8691% % 8692% % 8693% % 8694%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8695% 8696% MagickSetImageClipMask() sets image clip mask. 8697% 8698% The format of the MagickSetImageClipMask method is: 8699% 8700% MagickBooleanType MagickSetImageClipMask(MagickWand *wand, 8701% const MagickWand *clip_mask) 8702% 8703% A description of each parameter follows: 8704% 8705% o wand: the magick wand. 8706% 8707% o clip_mask: the clip_mask wand. 8708% 8709*/ 8710WandExport MagickBooleanType MagickSetImageClipMask(MagickWand *wand, 8711 const MagickWand *clip_mask) 8712{ 8713 assert(wand != (MagickWand *) NULL); 8714 assert(wand->signature == WandSignature); 8715 if (wand->debug != MagickFalse) 8716 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8717 assert(clip_mask != (MagickWand *) NULL); 8718 assert(clip_mask->signature == WandSignature); 8719 if (wand->debug != MagickFalse) 8720 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clip_mask->name); 8721 if (clip_mask->images == (Image *) NULL) 8722 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8723 return(SetImageClipMask(wand->images,clip_mask->images,wand->exception)); 8724} 8725 8726/* 8727%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8728% % 8729% % 8730% % 8731% M a g i c k S e t I m a g e C o l o r % 8732% % 8733% % 8734% % 8735%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8736% 8737% MagickSetImageColor() set the entire wand canvas to the specified color. 8738% 8739% The format of the MagickSetImageColor method is: 8740% 8741% MagickBooleanType MagickSetImageColor(MagickWand *wand, 8742% const PixelWand *color) 8743% 8744% A description of each parameter follows: 8745% 8746% o wand: the magick wand. 8747% 8748% o background: the image color. 8749% 8750*/ 8751WandExport MagickBooleanType MagickSetImageColor(MagickWand *wand, 8752 const PixelWand *color) 8753{ 8754 MagickBooleanType 8755 status; 8756 8757 PixelInfo 8758 pixel; 8759 8760 assert(wand != (MagickWand *) NULL); 8761 assert(wand->signature == WandSignature); 8762 if (wand->debug != MagickFalse) 8763 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8764 PixelGetMagickColor(color,&pixel); 8765 status=SetImageColor(wand->images,&pixel); 8766 if (status == MagickFalse) 8767 InheritException(wand->exception,&wand->images->exception); 8768 return(status); 8769} 8770 8771/* 8772%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8773% % 8774% % 8775% % 8776% 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 % 8777% % 8778% % 8779% % 8780%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8781% 8782% MagickSetImageColormapColor() sets the color of the specified colormap 8783% index. 8784% 8785% The format of the MagickSetImageColormapColor method is: 8786% 8787% MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 8788% const size_t index,const PixelWand *color) 8789% 8790% A description of each parameter follows: 8791% 8792% o wand: the magick wand. 8793% 8794% o index: the offset into the image colormap. 8795% 8796% o color: Return the colormap color in this wand. 8797% 8798*/ 8799WandExport MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 8800 const size_t index,const PixelWand *color) 8801{ 8802 assert(wand != (MagickWand *) NULL); 8803 assert(wand->signature == WandSignature); 8804 if (wand->debug != MagickFalse) 8805 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8806 if (wand->images == (Image *) NULL) 8807 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8808 if ((wand->images->colormap == (PixelPacket *) NULL) || 8809 (index >= wand->images->colors)) 8810 ThrowWandException(WandError,"InvalidColormapIndex",wand->name); 8811 PixelGetQuantumPacket(color,wand->images->colormap+index); 8812 return(SyncImage(wand->images)); 8813} 8814 8815/* 8816%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8817% % 8818% % 8819% % 8820% M a g i c k S e t I m a g e C o l o r s p a c e % 8821% % 8822% % 8823% % 8824%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8825% 8826% MagickSetImageColorspace() sets the image colorspace. 8827% 8828% The format of the MagickSetImageColorspace method is: 8829% 8830% MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 8831% const ColorspaceType colorspace) 8832% 8833% A description of each parameter follows: 8834% 8835% o wand: the magick wand. 8836% 8837% o colorspace: the image colorspace: UndefinedColorspace, RGBColorspace, 8838% GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, 8839% YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, 8840% YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, 8841% HSLColorspace, or HWBColorspace. 8842% 8843*/ 8844WandExport MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 8845 const ColorspaceType colorspace) 8846{ 8847 assert(wand != (MagickWand *) NULL); 8848 assert(wand->signature == WandSignature); 8849 if (wand->debug != MagickFalse) 8850 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8851 if (wand->images == (Image *) NULL) 8852 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8853 return(SetImageColorspace(wand->images,colorspace,&wand->images->exception)); 8854} 8855 8856/* 8857%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8858% % 8859% % 8860% % 8861% M a g i c k S e t I m a g e C o m p o s e % 8862% % 8863% % 8864% % 8865%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8866% 8867% MagickSetImageCompose() sets the image composite operator, useful for 8868% specifying how to composite the image thumbnail when using the 8869% MagickMontageImage() method. 8870% 8871% The format of the MagickSetImageCompose method is: 8872% 8873% MagickBooleanType MagickSetImageCompose(MagickWand *wand, 8874% const CompositeOperator compose) 8875% 8876% A description of each parameter follows: 8877% 8878% o wand: the magick wand. 8879% 8880% o compose: the image composite operator. 8881% 8882*/ 8883WandExport MagickBooleanType MagickSetImageCompose(MagickWand *wand, 8884 const CompositeOperator compose) 8885{ 8886 assert(wand != (MagickWand *) NULL); 8887 assert(wand->signature == WandSignature); 8888 if (wand->debug != MagickFalse) 8889 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8890 if (wand->images == (Image *) NULL) 8891 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8892 wand->images->compose=compose; 8893 return(MagickTrue); 8894} 8895 8896/* 8897%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8898% % 8899% % 8900% % 8901% 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 % 8902% % 8903% % 8904% % 8905%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8906% 8907% MagickSetImageCompression() sets the image compression. 8908% 8909% The format of the MagickSetImageCompression method is: 8910% 8911% MagickBooleanType MagickSetImageCompression(MagickWand *wand, 8912% const CompressionType compression) 8913% 8914% A description of each parameter follows: 8915% 8916% o wand: the magick wand. 8917% 8918% o compression: the image compression type. 8919% 8920*/ 8921WandExport MagickBooleanType MagickSetImageCompression(MagickWand *wand, 8922 const CompressionType compression) 8923{ 8924 assert(wand != (MagickWand *) NULL); 8925 assert(wand->signature == WandSignature); 8926 if (wand->debug != MagickFalse) 8927 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8928 if (wand->images == (Image *) NULL) 8929 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8930 wand->images->compression=compression; 8931 return(MagickTrue); 8932} 8933 8934/* 8935%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8936% % 8937% % 8938% % 8939% 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 % 8940% % 8941% % 8942% % 8943%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8944% 8945% MagickSetImageCompressionQuality() sets the image compression quality. 8946% 8947% The format of the MagickSetImageCompressionQuality method is: 8948% 8949% MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 8950% const size_t quality) 8951% 8952% A description of each parameter follows: 8953% 8954% o wand: the magick wand. 8955% 8956% o quality: the image compression tlityype. 8957% 8958*/ 8959WandExport MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 8960 const size_t quality) 8961{ 8962 assert(wand != (MagickWand *) NULL); 8963 assert(wand->signature == WandSignature); 8964 if (wand->debug != MagickFalse) 8965 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8966 if (wand->images == (Image *) NULL) 8967 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8968 wand->images->quality=quality; 8969 return(MagickTrue); 8970} 8971 8972/* 8973%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8974% % 8975% % 8976% % 8977% M a g i c k S e t I m a g e D e l a y % 8978% % 8979% % 8980% % 8981%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8982% 8983% MagickSetImageDelay() sets the image delay. 8984% 8985% The format of the MagickSetImageDelay method is: 8986% 8987% MagickBooleanType MagickSetImageDelay(MagickWand *wand, 8988% const size_t delay) 8989% 8990% A description of each parameter follows: 8991% 8992% o wand: the magick wand. 8993% 8994% o delay: the image delay in ticks-per-second units. 8995% 8996*/ 8997WandExport MagickBooleanType MagickSetImageDelay(MagickWand *wand, 8998 const size_t delay) 8999{ 9000 assert(wand != (MagickWand *) NULL); 9001 assert(wand->signature == WandSignature); 9002 if (wand->debug != MagickFalse) 9003 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9004 if (wand->images == (Image *) NULL) 9005 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9006 wand->images->delay=delay; 9007 return(MagickTrue); 9008} 9009 9010/* 9011%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9012% % 9013% % 9014% % 9015% M a g i c k S e t I m a g e D e p t h % 9016% % 9017% % 9018% % 9019%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9020% 9021% MagickSetImageDepth() sets the image depth. 9022% 9023% The format of the MagickSetImageDepth method is: 9024% 9025% MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9026% const size_t depth) 9027% 9028% A description of each parameter follows: 9029% 9030% o wand: the magick wand. 9031% 9032% o depth: the image depth in bits: 8, 16, or 32. 9033% 9034*/ 9035WandExport MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9036 const size_t depth) 9037{ 9038 assert(wand != (MagickWand *) NULL); 9039 assert(wand->signature == WandSignature); 9040 if (wand->debug != MagickFalse) 9041 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9042 if (wand->images == (Image *) NULL) 9043 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9044 return(SetImageDepth(wand->images,depth)); 9045} 9046 9047/* 9048%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9049% % 9050% % 9051% % 9052% M a g i c k S e t I m a g e D i s p o s e % 9053% % 9054% % 9055% % 9056%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9057% 9058% MagickSetImageDispose() sets the image disposal method. 9059% 9060% The format of the MagickSetImageDispose method is: 9061% 9062% MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9063% const DisposeType dispose) 9064% 9065% A description of each parameter follows: 9066% 9067% o wand: the magick wand. 9068% 9069% o dispose: the image disposeal type. 9070% 9071*/ 9072WandExport MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9073 const DisposeType dispose) 9074{ 9075 assert(wand != (MagickWand *) NULL); 9076 assert(wand->signature == WandSignature); 9077 if (wand->debug != MagickFalse) 9078 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9079 if (wand->images == (Image *) NULL) 9080 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9081 wand->images->dispose=dispose; 9082 return(MagickTrue); 9083} 9084 9085/* 9086%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9087% % 9088% % 9089% % 9090% M a g i c k S e t I m a g e E x t e n t % 9091% % 9092% % 9093% % 9094%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9095% 9096% MagickSetImageExtent() sets the image size (i.e. columns & rows). 9097% 9098% The format of the MagickSetImageExtent method is: 9099% 9100% MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9101% const size_t columns,const unsigned rows) 9102% 9103% A description of each parameter follows: 9104% 9105% o wand: the magick wand. 9106% 9107% o columns: The image width in pixels. 9108% 9109% o rows: The image height in pixels. 9110% 9111*/ 9112WandExport MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9113 const size_t columns,const size_t rows) 9114{ 9115 assert(wand != (MagickWand *) NULL); 9116 assert(wand->signature == WandSignature); 9117 if (wand->debug != MagickFalse) 9118 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9119 if (wand->images == (Image *) NULL) 9120 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9121 return(SetImageExtent(wand->images,columns,rows,&wand->images->exception)); 9122} 9123 9124/* 9125%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9126% % 9127% % 9128% % 9129% M a g i c k S e t I m a g e F i l e n a m e % 9130% % 9131% % 9132% % 9133%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9134% 9135% MagickSetImageFilename() sets the filename of a particular image in a 9136% sequence. 9137% 9138% The format of the MagickSetImageFilename method is: 9139% 9140% MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9141% const char *filename) 9142% 9143% A description of each parameter follows: 9144% 9145% o wand: the magick wand. 9146% 9147% o filename: the image filename. 9148% 9149*/ 9150WandExport MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9151 const char *filename) 9152{ 9153 assert(wand != (MagickWand *) NULL); 9154 assert(wand->signature == WandSignature); 9155 if (wand->debug != MagickFalse) 9156 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9157 if (wand->images == (Image *) NULL) 9158 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9159 if (filename != (const char *) NULL) 9160 (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); 9161 return(MagickTrue); 9162} 9163 9164/* 9165%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9166% % 9167% % 9168% % 9169% M a g i c k S e t I m a g e F o r m a t % 9170% % 9171% % 9172% % 9173%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9174% 9175% MagickSetImageFormat() sets the format of a particular image in a 9176% sequence. 9177% 9178% The format of the MagickSetImageFormat method is: 9179% 9180% MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9181% const char *format) 9182% 9183% A description of each parameter follows: 9184% 9185% o wand: the magick wand. 9186% 9187% o format: the image format. 9188% 9189*/ 9190WandExport MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9191 const char *format) 9192{ 9193 const MagickInfo 9194 *magick_info; 9195 9196 assert(wand != (MagickWand *) NULL); 9197 assert(wand->signature == WandSignature); 9198 if (wand->debug != MagickFalse) 9199 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9200 if (wand->images == (Image *) NULL) 9201 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9202 if ((format == (char *) NULL) || (*format == '\0')) 9203 { 9204 *wand->images->magick='\0'; 9205 return(MagickTrue); 9206 } 9207 magick_info=GetMagickInfo(format,wand->exception); 9208 if (magick_info == (const MagickInfo *) NULL) 9209 return(MagickFalse); 9210 ClearMagickException(wand->exception); 9211 (void) CopyMagickString(wand->images->magick,format,MaxTextExtent); 9212 return(MagickTrue); 9213} 9214 9215/* 9216%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9217% % 9218% % 9219% % 9220% M a g i c k S e t I m a g e F u z z % 9221% % 9222% % 9223% % 9224%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9225% 9226% MagickSetImageFuzz() sets the image fuzz. 9227% 9228% The format of the MagickSetImageFuzz method is: 9229% 9230% MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9231% const double fuzz) 9232% 9233% A description of each parameter follows: 9234% 9235% o wand: the magick wand. 9236% 9237% o fuzz: the image fuzz. 9238% 9239*/ 9240WandExport MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9241 const double fuzz) 9242{ 9243 assert(wand != (MagickWand *) NULL); 9244 assert(wand->signature == WandSignature); 9245 if (wand->debug != MagickFalse) 9246 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9247 if (wand->images == (Image *) NULL) 9248 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9249 wand->images->fuzz=fuzz; 9250 return(MagickTrue); 9251} 9252 9253/* 9254%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9255% % 9256% % 9257% % 9258% M a g i c k S e t I m a g e G a m m a % 9259% % 9260% % 9261% % 9262%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9263% 9264% MagickSetImageGamma() sets the image gamma. 9265% 9266% The format of the MagickSetImageGamma method is: 9267% 9268% MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9269% const double gamma) 9270% 9271% A description of each parameter follows: 9272% 9273% o wand: the magick wand. 9274% 9275% o gamma: the image gamma. 9276% 9277*/ 9278WandExport MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9279 const double gamma) 9280{ 9281 assert(wand != (MagickWand *) NULL); 9282 assert(wand->signature == WandSignature); 9283 if (wand->debug != MagickFalse) 9284 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9285 if (wand->images == (Image *) NULL) 9286 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9287 wand->images->gamma=gamma; 9288 return(MagickTrue); 9289} 9290 9291/* 9292%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9293% % 9294% % 9295% % 9296% M a g i c k S e t I m a g e G r a v i t y % 9297% % 9298% % 9299% % 9300%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9301% 9302% MagickSetImageGravity() sets the image gravity type. 9303% 9304% The format of the MagickSetImageGravity method is: 9305% 9306% MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9307% const GravityType gravity) 9308% 9309% A description of each parameter follows: 9310% 9311% o wand: the magick wand. 9312% 9313% o gravity: the image interlace scheme: NoInterlace, LineInterlace, 9314% PlaneInterlace, PartitionInterlace. 9315% 9316*/ 9317WandExport MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9318 const GravityType gravity) 9319{ 9320 assert(wand != (MagickWand *) NULL); 9321 assert(wand->signature == WandSignature); 9322 if (wand->debug != MagickFalse) 9323 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9324 if (wand->images == (Image *) NULL) 9325 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9326 wand->images->gravity=gravity; 9327 return(MagickTrue); 9328} 9329 9330/* 9331%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9332% % 9333% % 9334% % 9335% 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 % 9336% % 9337% % 9338% % 9339%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9340% 9341% MagickSetImageGreenPrimary() sets the image chromaticity green primary 9342% point. 9343% 9344% The format of the MagickSetImageGreenPrimary method is: 9345% 9346% MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9347% const double x,const double y) 9348% 9349% A description of each parameter follows: 9350% 9351% o wand: the magick wand. 9352% 9353% o x: the green primary x-point. 9354% 9355% o y: the green primary y-point. 9356% 9357% 9358*/ 9359WandExport MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9360 const double x,const double y) 9361{ 9362 assert(wand != (MagickWand *) NULL); 9363 assert(wand->signature == WandSignature); 9364 if (wand->debug != MagickFalse) 9365 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9366 if (wand->images == (Image *) NULL) 9367 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9368 wand->images->chromaticity.green_primary.x=x; 9369 wand->images->chromaticity.green_primary.y=y; 9370 return(MagickTrue); 9371} 9372 9373/* 9374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9375% % 9376% % 9377% % 9378% 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 % 9379% % 9380% % 9381% % 9382%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9383% 9384% MagickSetImageInterlaceScheme() sets the image interlace scheme. 9385% 9386% The format of the MagickSetImageInterlaceScheme method is: 9387% 9388% MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9389% const InterlaceType interlace) 9390% 9391% A description of each parameter follows: 9392% 9393% o wand: the magick wand. 9394% 9395% o interlace: the image interlace scheme: NoInterlace, LineInterlace, 9396% PlaneInterlace, PartitionInterlace. 9397% 9398*/ 9399WandExport MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9400 const InterlaceType interlace) 9401{ 9402 assert(wand != (MagickWand *) NULL); 9403 assert(wand->signature == WandSignature); 9404 if (wand->debug != MagickFalse) 9405 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9406 if (wand->images == (Image *) NULL) 9407 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9408 wand->images->interlace=interlace; 9409 return(MagickTrue); 9410} 9411 9412/* 9413%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9414% % 9415% % 9416% % 9417% 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 % 9418% % 9419% % 9420% % 9421%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9422% 9423% MagickSetImageInterpolateMethod() sets the image interpolate pixel method. 9424% 9425% The format of the MagickSetImageInterpolateMethod method is: 9426% 9427% MagickBooleanType MagickSetImageInterpolateMethod(MagickWand *wand, 9428% const InterpolatePixelMethod method) 9429% 9430% A description of each parameter follows: 9431% 9432% o wand: the magick wand. 9433% 9434% o method: the image interpole pixel methods: choose from Undefined, 9435% Average, Bicubic, Bilinear, Filter, Integer, Mesh, NearestNeighbor. 9436% 9437*/ 9438WandExport MagickBooleanType MagickSetImageInterpolateMethod(MagickWand *wand, 9439 const InterpolatePixelMethod method) 9440{ 9441 assert(wand != (MagickWand *) NULL); 9442 assert(wand->signature == WandSignature); 9443 if (wand->debug != MagickFalse) 9444 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9445 if (wand->images == (Image *) NULL) 9446 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9447 wand->images->interpolate=method; 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 I t e r a t i o n s % 9457% % 9458% % 9459% % 9460%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9461% 9462% MagickSetImageIterations() sets the image iterations. 9463% 9464% The format of the MagickSetImageIterations method is: 9465% 9466% MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9467% const size_t iterations) 9468% 9469% A description of each parameter follows: 9470% 9471% o wand: the magick wand. 9472% 9473% o delay: the image delay in 1/100th of a second. 9474% 9475*/ 9476WandExport MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9477 const size_t iterations) 9478{ 9479 assert(wand != (MagickWand *) NULL); 9480 assert(wand->signature == WandSignature); 9481 if (wand->debug != MagickFalse) 9482 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9483 if (wand->images == (Image *) NULL) 9484 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9485 wand->images->iterations=iterations; 9486 return(MagickTrue); 9487} 9488 9489/* 9490%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9491% % 9492% % 9493% % 9494% M a g i c k S e t I m a g e M a t t e % 9495% % 9496% % 9497% % 9498%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9499% 9500% MagickSetImageMatte() sets the image matte channel. 9501% 9502% The format of the MagickSetImageMatteColor method is: 9503% 9504% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9505% const MagickBooleanType *matte) 9506% 9507% A description of each parameter follows: 9508% 9509% o wand: the magick wand. 9510% 9511% o matte: Set to MagickTrue to enable the image matte channel otherwise 9512% MagickFalse. 9513% 9514*/ 9515WandExport MagickBooleanType MagickSetImageMatte(MagickWand *wand, 9516 const MagickBooleanType matte) 9517{ 9518 assert(wand != (MagickWand *) NULL); 9519 assert(wand->signature == WandSignature); 9520 if (wand->debug != MagickFalse) 9521 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9522 if (wand->images == (Image *) NULL) 9523 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9524 if ((wand->images->matte == MagickFalse) && (matte != MagickFalse)) 9525 (void) SetImageOpacity(wand->images,OpaqueAlpha); 9526 wand->images->matte=matte; 9527 return(MagickTrue); 9528} 9529 9530/* 9531%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9532% % 9533% % 9534% % 9535% M a g i c k S e t I m a g e M a t t e C o l o r % 9536% % 9537% % 9538% % 9539%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9540% 9541% MagickSetImageMatteColor() sets the image matte color. 9542% 9543% The format of the MagickSetImageMatteColor method is: 9544% 9545% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9546% const PixelWand *matte) 9547% 9548% A description of each parameter follows: 9549% 9550% o wand: the magick wand. 9551% 9552% o matte: the matte pixel wand. 9553% 9554*/ 9555WandExport MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9556 const PixelWand *matte) 9557{ 9558 assert(wand != (MagickWand *) NULL); 9559 assert(wand->signature == WandSignature); 9560 if (wand->debug != MagickFalse) 9561 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9562 if (wand->images == (Image *) NULL) 9563 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9564 PixelGetQuantumPacket(matte,&wand->images->matte_color); 9565 return(MagickTrue); 9566} 9567 9568/* 9569%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9570% % 9571% % 9572% % 9573% M a g i c k S e t I m a g e O p a c i t y % 9574% % 9575% % 9576% % 9577%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9578% 9579% MagickSetImageOpacity() sets the image to the specified opacity level. 9580% 9581% The format of the MagickSetImageOpacity method is: 9582% 9583% MagickBooleanType MagickSetImageOpacity(MagickWand *wand, 9584% const double alpha) 9585% 9586% A description of each parameter follows: 9587% 9588% o wand: the magick wand. 9589% 9590% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 9591% transparent. 9592% 9593*/ 9594WandExport MagickBooleanType MagickSetImageOpacity(MagickWand *wand, 9595 const double alpha) 9596{ 9597 MagickBooleanType 9598 status; 9599 9600 assert(wand != (MagickWand *) NULL); 9601 assert(wand->signature == WandSignature); 9602 if (wand->debug != MagickFalse) 9603 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9604 if (wand->images == (Image *) NULL) 9605 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9606 status=SetImageOpacity(wand->images,ClampToQuantum(QuantumRange*alpha)); 9607 if (status == MagickFalse) 9608 InheritException(wand->exception,&wand->images->exception); 9609 return(status); 9610} 9611 9612/* 9613%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9614% % 9615% % 9616% % 9617% 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 % 9618% % 9619% % 9620% % 9621%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9622% 9623% MagickSetImageOrientation() sets the image orientation. 9624% 9625% The format of the MagickSetImageOrientation method is: 9626% 9627% MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 9628% const OrientationType orientation) 9629% 9630% A description of each parameter follows: 9631% 9632% o wand: the magick wand. 9633% 9634% o orientation: the image orientation type. 9635% 9636*/ 9637WandExport MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 9638 const OrientationType orientation) 9639{ 9640 assert(wand != (MagickWand *) NULL); 9641 assert(wand->signature == WandSignature); 9642 if (wand->debug != MagickFalse) 9643 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9644 if (wand->images == (Image *) NULL) 9645 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9646 wand->images->orientation=orientation; 9647 return(MagickTrue); 9648} 9649 9650/* 9651%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9652% % 9653% % 9654% % 9655% M a g i c k S e t I m a g e P a g e % 9656% % 9657% % 9658% % 9659%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9660% 9661% MagickSetImagePage() sets the page geometry of the image. 9662% 9663% The format of the MagickSetImagePage method is: 9664% 9665% MagickBooleanType MagickSetImagePage(MagickWand *wand, 9666% const size_t width,const size_t height,const ssize_t x, 9667% const ssize_t y) 9668% 9669% A description of each parameter follows: 9670% 9671% o wand: the magick wand. 9672% 9673% o width: the page width. 9674% 9675% o height: the page height. 9676% 9677% o x: the page x-offset. 9678% 9679% o y: the page y-offset. 9680% 9681*/ 9682WandExport MagickBooleanType MagickSetImagePage(MagickWand *wand, 9683 const size_t width,const size_t height,const ssize_t x, 9684 const ssize_t y) 9685{ 9686 assert(wand != (MagickWand *) NULL); 9687 assert(wand->signature == WandSignature); 9688 if (wand->debug != MagickFalse) 9689 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9690 if (wand->images == (Image *) NULL) 9691 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9692 wand->images->page.width=width; 9693 wand->images->page.height=height; 9694 wand->images->page.x=x; 9695 wand->images->page.y=y; 9696 return(MagickTrue); 9697} 9698 9699/* 9700%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9701% % 9702% % 9703% % 9704% 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 % 9705% % 9706% % 9707% % 9708%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9709% 9710% MagickSetImageProgressMonitor() sets the wand image progress monitor to the 9711% specified method and returns the previous progress monitor if any. The 9712% progress monitor method looks like this: 9713% 9714% MagickBooleanType MagickProgressMonitor(const char *text, 9715% const MagickOffsetType offset,const MagickSizeType span, 9716% void *client_data) 9717% 9718% If the progress monitor returns MagickFalse, the current operation is 9719% interrupted. 9720% 9721% The format of the MagickSetImageProgressMonitor method is: 9722% 9723% MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand 9724% const MagickProgressMonitor progress_monitor,void *client_data) 9725% 9726% A description of each parameter follows: 9727% 9728% o wand: the magick wand. 9729% 9730% o progress_monitor: Specifies a pointer to a method to monitor progress 9731% of an image operation. 9732% 9733% o client_data: Specifies a pointer to any client data. 9734% 9735*/ 9736WandExport MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand, 9737 const MagickProgressMonitor progress_monitor,void *client_data) 9738{ 9739 MagickProgressMonitor 9740 previous_monitor; 9741 9742 assert(wand != (MagickWand *) NULL); 9743 assert(wand->signature == WandSignature); 9744 if (wand->debug != MagickFalse) 9745 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9746 if (wand->images == (Image *) NULL) 9747 { 9748 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 9749 "ContainsNoImages","`%s'",wand->name); 9750 return((MagickProgressMonitor) NULL); 9751 } 9752 previous_monitor=SetImageProgressMonitor(wand->images, 9753 progress_monitor,client_data); 9754 return(previous_monitor); 9755} 9756 9757/* 9758%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9759% % 9760% % 9761% % 9762% M a g i c k S e t I m a g e R e d P r i m a r y % 9763% % 9764% % 9765% % 9766%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9767% 9768% MagickSetImageRedPrimary() sets the image chromaticity red primary point. 9769% 9770% The format of the MagickSetImageRedPrimary method is: 9771% 9772% MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 9773% const double x,const double y) 9774% 9775% A description of each parameter follows: 9776% 9777% o wand: the magick wand. 9778% 9779% o x: the red primary x-point. 9780% 9781% o y: the red primary y-point. 9782% 9783*/ 9784WandExport MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 9785 const double x,const double y) 9786{ 9787 assert(wand != (MagickWand *) NULL); 9788 assert(wand->signature == WandSignature); 9789 if (wand->debug != MagickFalse) 9790 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9791 if (wand->images == (Image *) NULL) 9792 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9793 wand->images->chromaticity.red_primary.x=x; 9794 wand->images->chromaticity.red_primary.y=y; 9795 return(MagickTrue); 9796} 9797 9798/* 9799%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9800% % 9801% % 9802% % 9803% 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 % 9804% % 9805% % 9806% % 9807%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9808% 9809% MagickSetImageRenderingIntent() sets the image rendering intent. 9810% 9811% The format of the MagickSetImageRenderingIntent method is: 9812% 9813% MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 9814% const RenderingIntent rendering_intent) 9815% 9816% A description of each parameter follows: 9817% 9818% o wand: the magick wand. 9819% 9820% o rendering_intent: the image rendering intent: UndefinedIntent, 9821% SaturationIntent, PerceptualIntent, AbsoluteIntent, or RelativeIntent. 9822% 9823*/ 9824WandExport MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 9825 const RenderingIntent rendering_intent) 9826{ 9827 assert(wand != (MagickWand *) NULL); 9828 assert(wand->signature == WandSignature); 9829 if (wand->debug != MagickFalse) 9830 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9831 if (wand->images == (Image *) NULL) 9832 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9833 wand->images->rendering_intent=rendering_intent; 9834 return(MagickTrue); 9835} 9836 9837/* 9838%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9839% % 9840% % 9841% % 9842% M a g i c k S e t I m a g e R e s o l u t i o n % 9843% % 9844% % 9845% % 9846%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9847% 9848% MagickSetImageResolution() sets the image resolution. 9849% 9850% The format of the MagickSetImageResolution method is: 9851% 9852% MagickBooleanType MagickSetImageResolution(MagickWand *wand, 9853% const double x_resolution,const doubtl y_resolution) 9854% 9855% A description of each parameter follows: 9856% 9857% o wand: the magick wand. 9858% 9859% o x_resolution: the image x resolution. 9860% 9861% o y_resolution: the image y resolution. 9862% 9863*/ 9864WandExport MagickBooleanType MagickSetImageResolution(MagickWand *wand, 9865 const double x_resolution,const double y_resolution) 9866{ 9867 assert(wand != (MagickWand *) NULL); 9868 assert(wand->signature == WandSignature); 9869 if (wand->debug != MagickFalse) 9870 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9871 if (wand->images == (Image *) NULL) 9872 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9873 wand->images->x_resolution=x_resolution; 9874 wand->images->y_resolution=y_resolution; 9875 return(MagickTrue); 9876} 9877 9878/* 9879%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9880% % 9881% % 9882% % 9883% M a g i c k S e t I m a g e S c e n e % 9884% % 9885% % 9886% % 9887%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9888% 9889% MagickSetImageScene() sets the image scene. 9890% 9891% The format of the MagickSetImageScene method is: 9892% 9893% MagickBooleanType MagickSetImageScene(MagickWand *wand, 9894% const size_t scene) 9895% 9896% A description of each parameter follows: 9897% 9898% o wand: the magick wand. 9899% 9900% o delay: the image scene number. 9901% 9902*/ 9903WandExport MagickBooleanType MagickSetImageScene(MagickWand *wand, 9904 const size_t scene) 9905{ 9906 assert(wand != (MagickWand *) NULL); 9907 assert(wand->signature == WandSignature); 9908 if (wand->debug != MagickFalse) 9909 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9910 if (wand->images == (Image *) NULL) 9911 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9912 wand->images->scene=scene; 9913 return(MagickTrue); 9914} 9915 9916/* 9917%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9918% % 9919% % 9920% % 9921% 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 % 9922% % 9923% % 9924% % 9925%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9926% 9927% MagickSetImageTicksPerSecond() sets the image ticks-per-second. 9928% 9929% The format of the MagickSetImageTicksPerSecond method is: 9930% 9931% MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 9932% const ssize_t ticks_per-second) 9933% 9934% A description of each parameter follows: 9935% 9936% o wand: the magick wand. 9937% 9938% o ticks_per_second: the units to use for the image delay. 9939% 9940*/ 9941WandExport MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 9942 const ssize_t ticks_per_second) 9943{ 9944 assert(wand != (MagickWand *) NULL); 9945 assert(wand->signature == WandSignature); 9946 if (wand->debug != MagickFalse) 9947 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9948 if (wand->images == (Image *) NULL) 9949 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9950 wand->images->ticks_per_second=ticks_per_second; 9951 return(MagickTrue); 9952} 9953 9954/* 9955%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9956% % 9957% % 9958% % 9959% M a g i c k S e t I m a g e T y p e % 9960% % 9961% % 9962% % 9963%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9964% 9965% MagickSetImageType() sets the image type. 9966% 9967% The format of the MagickSetImageType method is: 9968% 9969% MagickBooleanType MagickSetImageType(MagickWand *wand, 9970% const ImageType image_type) 9971% 9972% A description of each parameter follows: 9973% 9974% o wand: the magick wand. 9975% 9976% o image_type: the image type: UndefinedType, BilevelType, GrayscaleType, 9977% GrayscaleMatteType, PaletteType, PaletteMatteType, TrueColorType, 9978% TrueColorMatteType, ColorSeparationType, ColorSeparationMatteType, 9979% or OptimizeType. 9980% 9981*/ 9982WandExport MagickBooleanType MagickSetImageType(MagickWand *wand, 9983 const ImageType image_type) 9984{ 9985 assert(wand != (MagickWand *) NULL); 9986 assert(wand->signature == WandSignature); 9987 if (wand->debug != MagickFalse) 9988 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9989 if (wand->images == (Image *) NULL) 9990 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9991 return(SetImageType(wand->images,image_type,wand->exception)); 9992} 9993 9994/* 9995%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9996% % 9997% % 9998% % 9999% M a g i c k S e t I m a g e U n i t s % 10000% % 10001% % 10002% % 10003%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10004% 10005% MagickSetImageUnits() sets the image units of resolution. 10006% 10007% The format of the MagickSetImageUnits method is: 10008% 10009% MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10010% const ResolutionType units) 10011% 10012% A description of each parameter follows: 10013% 10014% o wand: the magick wand. 10015% 10016% o units: the image units of resolution : UndefinedResolution, 10017% PixelsPerInchResolution, or PixelsPerCentimeterResolution. 10018% 10019*/ 10020WandExport MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10021 const ResolutionType units) 10022{ 10023 assert(wand != (MagickWand *) NULL); 10024 assert(wand->signature == WandSignature); 10025 if (wand->debug != MagickFalse) 10026 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10027 if (wand->images == (Image *) NULL) 10028 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10029 wand->images->units=units; 10030 return(MagickTrue); 10031} 10032 10033/* 10034%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10035% % 10036% % 10037% % 10038% 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 % 10039% % 10040% % 10041% % 10042%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10043% 10044% MagickSetImageVirtualPixelMethod() sets the image virtual pixel method. 10045% 10046% The format of the MagickSetImageVirtualPixelMethod method is: 10047% 10048% VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10049% const VirtualPixelMethod method) 10050% 10051% A description of each parameter follows: 10052% 10053% o wand: the magick wand. 10054% 10055% o method: the image virtual pixel method : UndefinedVirtualPixelMethod, 10056% ConstantVirtualPixelMethod, EdgeVirtualPixelMethod, 10057% MirrorVirtualPixelMethod, or TileVirtualPixelMethod. 10058% 10059*/ 10060WandExport VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10061 const VirtualPixelMethod method) 10062{ 10063 assert(wand != (MagickWand *) NULL); 10064 assert(wand->signature == WandSignature); 10065 if (wand->debug != MagickFalse) 10066 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10067 if (wand->images == (Image *) NULL) 10068 return(UndefinedVirtualPixelMethod); 10069 return(SetImageVirtualPixelMethod(wand->images,method)); 10070} 10071 10072/* 10073%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10074% % 10075% % 10076% % 10077% M a g i c k S e t I m a g e W h i t e P o i n t % 10078% % 10079% % 10080% % 10081%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10082% 10083% MagickSetImageWhitePoint() sets the image chromaticity white point. 10084% 10085% The format of the MagickSetImageWhitePoint method is: 10086% 10087% MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10088% const double x,const double y) 10089% 10090% A description of each parameter follows: 10091% 10092% o wand: the magick wand. 10093% 10094% o x: the white x-point. 10095% 10096% o y: the white y-point. 10097% 10098*/ 10099WandExport MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10100 const double x,const double y) 10101{ 10102 assert(wand != (MagickWand *) NULL); 10103 assert(wand->signature == WandSignature); 10104 if (wand->debug != MagickFalse) 10105 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10106 if (wand->images == (Image *) NULL) 10107 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10108 wand->images->chromaticity.white_point.x=x; 10109 wand->images->chromaticity.white_point.y=y; 10110 return(MagickTrue); 10111} 10112 10113/* 10114%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10115% % 10116% % 10117% % 10118% M a g i c k S h a d e I m a g e C h a n n e l % 10119% % 10120% % 10121% % 10122%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10123% 10124% MagickShadeImage() shines a distant light on an image to create a 10125% three-dimensional effect. You control the positioning of the light with 10126% azimuth and elevation; azimuth is measured in degrees off the x axis 10127% and elevation is measured in pixels above the Z axis. 10128% 10129% The format of the MagickShadeImage method is: 10130% 10131% MagickBooleanType MagickShadeImage(MagickWand *wand, 10132% const MagickBooleanType gray,const double azimuth, 10133% const double elevation) 10134% 10135% A description of each parameter follows: 10136% 10137% o wand: the magick wand. 10138% 10139% o gray: A value other than zero shades the intensity of each pixel. 10140% 10141% o azimuth, elevation: Define the light source direction. 10142% 10143*/ 10144WandExport MagickBooleanType MagickShadeImage(MagickWand *wand, 10145 const MagickBooleanType gray,const double asimuth,const double elevation) 10146{ 10147 Image 10148 *shade_image; 10149 10150 assert(wand != (MagickWand *) NULL); 10151 assert(wand->signature == WandSignature); 10152 if (wand->debug != MagickFalse) 10153 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10154 if (wand->images == (Image *) NULL) 10155 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10156 shade_image=ShadeImage(wand->images,gray,asimuth,elevation,wand->exception); 10157 if (shade_image == (Image *) NULL) 10158 return(MagickFalse); 10159 ReplaceImageInList(&wand->images,shade_image); 10160 return(MagickTrue); 10161} 10162 10163/* 10164%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10165% % 10166% % 10167% % 10168% M a g i c k S h a d o w I m a g e % 10169% % 10170% % 10171% % 10172%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10173% 10174% MagickShadowImage() simulates an image shadow. 10175% 10176% The format of the MagickShadowImage method is: 10177% 10178% MagickBooleanType MagickShadowImage(MagickWand *wand, 10179% const double opacity,const double sigma,const ssize_t x,const ssize_t y) 10180% 10181% A description of each parameter follows: 10182% 10183% o wand: the magick wand. 10184% 10185% o opacity: percentage transparency. 10186% 10187% o sigma: the standard deviation of the Gaussian, in pixels. 10188% 10189% o x: the shadow x-offset. 10190% 10191% o y: the shadow y-offset. 10192% 10193*/ 10194WandExport MagickBooleanType MagickShadowImage(MagickWand *wand, 10195 const double opacity,const double sigma,const ssize_t x,const ssize_t y) 10196{ 10197 Image 10198 *shadow_image; 10199 10200 assert(wand != (MagickWand *) NULL); 10201 assert(wand->signature == WandSignature); 10202 if (wand->debug != MagickFalse) 10203 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10204 if (wand->images == (Image *) NULL) 10205 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10206 shadow_image=ShadowImage(wand->images,opacity,sigma,x,y,wand->exception); 10207 if (shadow_image == (Image *) NULL) 10208 return(MagickFalse); 10209 ReplaceImageInList(&wand->images,shadow_image); 10210 return(MagickTrue); 10211} 10212 10213/* 10214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10215% % 10216% % 10217% % 10218% M a g i c k S h a r p e n I m a g e % 10219% % 10220% % 10221% % 10222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10223% 10224% MagickSharpenImage() sharpens an image. We convolve the image with a 10225% Gaussian operator of the given radius and standard deviation (sigma). 10226% For reasonable results, the radius should be larger than sigma. Use a 10227% radius of 0 and MagickSharpenImage() selects a suitable radius for you. 10228% 10229% The format of the MagickSharpenImage method is: 10230% 10231% MagickBooleanType MagickSharpenImage(MagickWand *wand, 10232% const double radius,const double sigma,const double bias) 10233% 10234% A description of each parameter follows: 10235% 10236% o wand: the magick wand. 10237% 10238% o radius: the radius of the Gaussian, in pixels, not counting the center 10239% pixel. 10240% 10241% o sigma: the standard deviation of the Gaussian, in pixels. 10242% 10243% o bias: the bias. 10244% 10245*/ 10246WandExport MagickBooleanType MagickSharpenImage(MagickWand *wand, 10247 const double radius,const double sigma,const double bias) 10248{ 10249 Image 10250 *sharp_image; 10251 10252 assert(wand != (MagickWand *) NULL); 10253 assert(wand->signature == WandSignature); 10254 if (wand->debug != MagickFalse) 10255 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10256 if (wand->images == (Image *) NULL) 10257 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10258 sharp_image=SharpenImage(wand->images,radius,sigma,bias,wand->exception); 10259 if (sharp_image == (Image *) NULL) 10260 return(MagickFalse); 10261 ReplaceImageInList(&wand->images,sharp_image); 10262 return(MagickTrue); 10263} 10264 10265/* 10266%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10267% % 10268% % 10269% % 10270% M a g i c k S h a v e I m a g e % 10271% % 10272% % 10273% % 10274%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10275% 10276% MagickShaveImage() shaves pixels from the image edges. It allocates the 10277% memory necessary for the new Image structure and returns a pointer to the 10278% new image. 10279% 10280% The format of the MagickShaveImage method is: 10281% 10282% MagickBooleanType MagickShaveImage(MagickWand *wand, 10283% const size_t columns,const size_t rows) 10284% 10285% A description of each parameter follows: 10286% 10287% o wand: the magick wand. 10288% 10289% o columns: the number of columns in the scaled image. 10290% 10291% o rows: the number of rows in the scaled image. 10292% 10293% 10294*/ 10295WandExport MagickBooleanType MagickShaveImage(MagickWand *wand, 10296 const size_t columns,const size_t rows) 10297{ 10298 Image 10299 *shave_image; 10300 10301 RectangleInfo 10302 shave_info; 10303 10304 assert(wand != (MagickWand *) NULL); 10305 assert(wand->signature == WandSignature); 10306 if (wand->debug != MagickFalse) 10307 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10308 if (wand->images == (Image *) NULL) 10309 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10310 shave_info.width=columns; 10311 shave_info.height=rows; 10312 shave_info.x=0; 10313 shave_info.y=0; 10314 shave_image=ShaveImage(wand->images,&shave_info,wand->exception); 10315 if (shave_image == (Image *) NULL) 10316 return(MagickFalse); 10317 ReplaceImageInList(&wand->images,shave_image); 10318 return(MagickTrue); 10319} 10320 10321/* 10322%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10323% % 10324% % 10325% % 10326% M a g i c k S h e a r I m a g e % 10327% % 10328% % 10329% % 10330%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10331% 10332% MagickShearImage() slides one edge of an image along the X or Y axis, 10333% creating a parallelogram. An X direction shear slides an edge along the X 10334% axis, while a Y direction shear slides an edge along the Y axis. The amount 10335% of the shear is controlled by a shear angle. For X direction shears, x_shear 10336% is measured relative to the Y axis, and similarly, for Y direction shears 10337% y_shear is measured relative to the X axis. Empty triangles left over from 10338% shearing the image are filled with the background color. 10339% 10340% The format of the MagickShearImage method is: 10341% 10342% MagickBooleanType MagickShearImage(MagickWand *wand, 10343% const PixelWand *background,const double x_shear,onst double y_shear) 10344% 10345% A description of each parameter follows: 10346% 10347% o wand: the magick wand. 10348% 10349% o background: the background pixel wand. 10350% 10351% o x_shear: the number of degrees to shear the image. 10352% 10353% o y_shear: the number of degrees to shear the image. 10354% 10355*/ 10356WandExport MagickBooleanType MagickShearImage(MagickWand *wand, 10357 const PixelWand *background,const double x_shear,const double y_shear) 10358{ 10359 Image 10360 *shear_image; 10361 10362 assert(wand != (MagickWand *) NULL); 10363 assert(wand->signature == WandSignature); 10364 if (wand->debug != MagickFalse) 10365 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10366 if (wand->images == (Image *) NULL) 10367 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10368 PixelGetQuantumPacket(background,&wand->images->background_color); 10369 shear_image=ShearImage(wand->images,x_shear,y_shear,wand->exception); 10370 if (shear_image == (Image *) NULL) 10371 return(MagickFalse); 10372 ReplaceImageInList(&wand->images,shear_image); 10373 return(MagickTrue); 10374} 10375 10376/* 10377%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10378% % 10379% % 10380% % 10381% 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 % 10382% % 10383% % 10384% % 10385%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10386% 10387% MagickSigmoidalContrastImage() adjusts the contrast of an image with a 10388% non-linear sigmoidal contrast algorithm. Increase the contrast of the 10389% image using a sigmoidal transfer function without saturating highlights or 10390% shadows. Contrast indicates how much to increase the contrast (0 is none; 10391% 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in 10392% the resultant image (0 is white; 50% is middle-gray; 100% is black). Set 10393% sharpen to MagickTrue to increase the image contrast otherwise the contrast 10394% is reduced. 10395% 10396% The format of the MagickSigmoidalContrastImage method is: 10397% 10398% MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, 10399% const MagickBooleanType sharpen,const double alpha,const double beta) 10400% 10401% A description of each parameter follows: 10402% 10403% o wand: the magick wand. 10404% 10405% o sharpen: Increase or decrease image contrast. 10406% 10407% o alpha: strength of the contrast, the larger the number the more 10408% 'threshold-like' it becomes. 10409% 10410% o beta: midpoint of the function as a color value 0 to QuantumRange. 10411% 10412*/ 10413WandExport MagickBooleanType MagickSigmoidalContrastImage( 10414 MagickWand *wand,const MagickBooleanType sharpen,const double alpha, 10415 const double beta) 10416{ 10417 MagickBooleanType 10418 status; 10419 10420 assert(wand != (MagickWand *) NULL); 10421 assert(wand->signature == WandSignature); 10422 if (wand->debug != MagickFalse) 10423 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10424 if (wand->images == (Image *) NULL) 10425 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10426 status=SigmoidalContrastImage(wand->images,sharpen,alpha,beta, 10427 &wand->images->exception); 10428 return(status); 10429} 10430 10431/* 10432%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10433% % 10434% % 10435% % 10436% M a g i c k S i m i l a r i t y I m a g e % 10437% % 10438% % 10439% % 10440%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10441% 10442% MagickSimilarityImage() compares the reference image of the image and 10443% returns the best match offset. In addition, it returns a similarity image 10444% such that an exact match location is completely white and if none of the 10445% pixels match, black, otherwise some gray level in-between. 10446% 10447% The format of the MagickSimilarityImage method is: 10448% 10449% MagickWand *MagickSimilarityImage(MagickWand *wand, 10450% const MagickWand *reference,RectangeInfo *offset,double *similarity) 10451% 10452% A description of each parameter follows: 10453% 10454% o wand: the magick wand. 10455% 10456% o reference: the reference wand. 10457% 10458% o offset: the best match offset of the reference image within the image. 10459% 10460% o similarity: the computed similarity between the images. 10461% 10462*/ 10463WandExport MagickWand *MagickSimilarityImage(MagickWand *wand, 10464 const MagickWand *reference,RectangleInfo *offset,double *similarity) 10465{ 10466 Image 10467 *similarity_image; 10468 10469 assert(wand != (MagickWand *) NULL); 10470 assert(wand->signature == WandSignature); 10471 if (wand->debug != MagickFalse) 10472 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10473 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 10474 { 10475 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10476 "ContainsNoImages","`%s'",wand->name); 10477 return((MagickWand *) NULL); 10478 } 10479 similarity_image=SimilarityImage(wand->images,reference->images,offset, 10480 similarity,&wand->images->exception); 10481 if (similarity_image == (Image *) NULL) 10482 return((MagickWand *) NULL); 10483 return(CloneMagickWandFromImages(wand,similarity_image)); 10484} 10485 10486/* 10487%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10488% % 10489% % 10490% % 10491% M a g i c k S k e t c h I m a g e % 10492% % 10493% % 10494% % 10495%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10496% 10497% MagickSketchImage() simulates a pencil sketch. We convolve the image with 10498% a Gaussian operator of the given radius and standard deviation (sigma). 10499% For reasonable results, radius should be larger than sigma. Use a 10500% radius of 0 and SketchImage() selects a suitable radius for you. 10501% Angle gives the angle of the blurring motion. 10502% 10503% The format of the MagickSketchImage method is: 10504% 10505% MagickBooleanType MagickSketchImage(MagickWand *wand, 10506% const double radius,const double sigma,const double angle) 10507% 10508% A description of each parameter follows: 10509% 10510% o wand: the magick wand. 10511% 10512% o radius: the radius of the Gaussian, in pixels, not counting 10513% the center pixel. 10514% 10515% o sigma: the standard deviation of the Gaussian, in pixels. 10516% 10517% o angle: Apply the effect along this angle. 10518% 10519*/ 10520WandExport MagickBooleanType MagickSketchImage(MagickWand *wand, 10521 const double radius,const double sigma,const double angle) 10522{ 10523 Image 10524 *sketch_image; 10525 10526 assert(wand != (MagickWand *) NULL); 10527 assert(wand->signature == WandSignature); 10528 if (wand->debug != MagickFalse) 10529 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10530 if (wand->images == (Image *) NULL) 10531 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10532 sketch_image=SketchImage(wand->images,radius,sigma,angle,wand->exception); 10533 if (sketch_image == (Image *) NULL) 10534 return(MagickFalse); 10535 ReplaceImageInList(&wand->images,sketch_image); 10536 return(MagickTrue); 10537} 10538 10539/* 10540%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10541% % 10542% % 10543% % 10544% M a g i c k S m u s h I m a g e s % 10545% % 10546% % 10547% % 10548%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10549% 10550% MagickSmushImages() takes all images from the current image pointer to the 10551% end of the image list and smushs them to each other top-to-bottom if the 10552% stack parameter is true, otherwise left-to-right. 10553% 10554% The format of the MagickSmushImages method is: 10555% 10556% MagickWand *MagickSmushImages(MagickWand *wand, 10557% const MagickBooleanType stack,const ssize_t offset) 10558% 10559% A description of each parameter follows: 10560% 10561% o wand: the magick wand. 10562% 10563% o stack: By default, images are stacked left-to-right. Set stack to 10564% MagickTrue to stack them top-to-bottom. 10565% 10566% o offset: minimum distance in pixels between images. 10567% 10568*/ 10569WandExport MagickWand *MagickSmushImages(MagickWand *wand, 10570 const MagickBooleanType stack,const ssize_t offset) 10571{ 10572 Image 10573 *smush_image; 10574 10575 assert(wand != (MagickWand *) NULL); 10576 assert(wand->signature == WandSignature); 10577 if (wand->debug != MagickFalse) 10578 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10579 if (wand->images == (Image *) NULL) 10580 return((MagickWand *) NULL); 10581 smush_image=SmushImages(wand->images,stack,offset,wand->exception); 10582 if (smush_image == (Image *) NULL) 10583 return((MagickWand *) NULL); 10584 return(CloneMagickWandFromImages(wand,smush_image)); 10585} 10586 10587/* 10588%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10589% % 10590% % 10591% % 10592% M a g i c k S o l a r i z e I m a g e % 10593% % 10594% % 10595% % 10596%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10597% 10598% MagickSolarizeImage() applies a special effect to the image, similar to the 10599% effect achieved in a photo darkroom by selectively exposing areas of photo 10600% sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a 10601% measure of the extent of the solarization. 10602% 10603% The format of the MagickSolarizeImage method is: 10604% 10605% MagickBooleanType MagickSolarizeImage(MagickWand *wand, 10606% const double threshold) 10607% 10608% A description of each parameter follows: 10609% 10610% o wand: the magick wand. 10611% 10612% o threshold: Define the extent of the solarization. 10613% 10614*/ 10615WandExport MagickBooleanType MagickSolarizeImage(MagickWand *wand, 10616 const double threshold) 10617{ 10618 MagickBooleanType 10619 status; 10620 10621 assert(wand != (MagickWand *) NULL); 10622 assert(wand->signature == WandSignature); 10623 if (wand->debug != MagickFalse) 10624 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10625 if (wand->images == (Image *) NULL) 10626 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10627 status=SolarizeImage(wand->images,threshold,&wand->images->exception); 10628 return(status); 10629} 10630 10631/* 10632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10633% % 10634% % 10635% % 10636% M a g i c k S p a r s e C o l o r I m a g e % 10637% % 10638% % 10639% % 10640%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10641% 10642% MagickSparseColorImage(), given a set of coordinates, interpolates the 10643% colors found at those coordinates, across the whole image, using various 10644% methods. 10645% 10646% The format of the MagickSparseColorImage method is: 10647% 10648% MagickBooleanType MagickSparseColorImage(MagickWand *wand, 10649% const SparseColorMethod method,const size_t number_arguments, 10650% const double *arguments) 10651% 10652% A description of each parameter follows: 10653% 10654% o image: the image to be sparseed. 10655% 10656% o method: the method of image sparseion. 10657% 10658% ArcSparseColorion will always ignore source image offset, and always 10659% 'bestfit' the destination image with the top left corner offset 10660% relative to the polar mapping center. 10661% 10662% Bilinear has no simple inverse mapping so will not allow 'bestfit' 10663% style of image sparseion. 10664% 10665% Affine, Perspective, and Bilinear, will do least squares fitting of 10666% the distrotion when more than the minimum number of control point 10667% pairs are provided. 10668% 10669% Perspective, and Bilinear, will fall back to a Affine sparseion when 10670% less than 4 control point pairs are provided. While Affine sparseions 10671% will let you use any number of control point pairs, that is Zero pairs 10672% is a No-Op (viewport only) distrotion, one pair is a translation and 10673% two pairs of control points will do a scale-rotate-translate, without 10674% any shearing. 10675% 10676% o number_arguments: the number of arguments given for this sparseion 10677% method. 10678% 10679% o arguments: the arguments for this sparseion method. 10680% 10681*/ 10682WandExport MagickBooleanType MagickSparseColorImage(MagickWand *wand, 10683 const SparseColorMethod method,const size_t number_arguments, 10684 const double *arguments) 10685{ 10686 Image 10687 *sparse_image; 10688 10689 assert(wand != (MagickWand *) NULL); 10690 assert(wand->signature == WandSignature); 10691 if (wand->debug != MagickFalse) 10692 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10693 if (wand->images == (Image *) NULL) 10694 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10695 sparse_image=SparseColorImage(wand->images,method,number_arguments,arguments, 10696 wand->exception); 10697 if (sparse_image == (Image *) NULL) 10698 return(MagickFalse); 10699 ReplaceImageInList(&wand->images,sparse_image); 10700 return(MagickTrue); 10701} 10702 10703/* 10704%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10705% % 10706% % 10707% % 10708% M a g i c k S p l i c e I m a g e % 10709% % 10710% % 10711% % 10712%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10713% 10714% MagickSpliceImage() splices a solid color into the image. 10715% 10716% The format of the MagickSpliceImage method is: 10717% 10718% MagickBooleanType MagickSpliceImage(MagickWand *wand, 10719% const size_t width,const size_t height,const ssize_t x, 10720% const ssize_t y) 10721% 10722% A description of each parameter follows: 10723% 10724% o wand: the magick wand. 10725% 10726% o width: the region width. 10727% 10728% o height: the region height. 10729% 10730% o x: the region x offset. 10731% 10732% o y: the region y offset. 10733% 10734*/ 10735WandExport MagickBooleanType MagickSpliceImage(MagickWand *wand, 10736 const size_t width,const size_t height,const ssize_t x, 10737 const ssize_t y) 10738{ 10739 Image 10740 *splice_image; 10741 10742 RectangleInfo 10743 splice; 10744 10745 assert(wand != (MagickWand *) NULL); 10746 assert(wand->signature == WandSignature); 10747 if (wand->debug != MagickFalse) 10748 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10749 if (wand->images == (Image *) NULL) 10750 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10751 splice.width=width; 10752 splice.height=height; 10753 splice.x=x; 10754 splice.y=y; 10755 splice_image=SpliceImage(wand->images,&splice,wand->exception); 10756 if (splice_image == (Image *) NULL) 10757 return(MagickFalse); 10758 ReplaceImageInList(&wand->images,splice_image); 10759 return(MagickTrue); 10760} 10761 10762/* 10763%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10764% % 10765% % 10766% % 10767% M a g i c k S p r e a d I m a g e % 10768% % 10769% % 10770% % 10771%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10772% 10773% MagickSpreadImage() is a special effects method that randomly displaces each 10774% pixel in a block defined by the radius parameter. 10775% 10776% The format of the MagickSpreadImage method is: 10777% 10778% MagickBooleanType MagickSpreadImage(MagickWand *wand,const double radius) 10779% 10780% A description of each parameter follows: 10781% 10782% o wand: the magick wand. 10783% 10784% o radius: Choose a random pixel in a neighborhood of this extent. 10785% 10786*/ 10787WandExport MagickBooleanType MagickSpreadImage(MagickWand *wand, 10788 const double radius) 10789{ 10790 Image 10791 *spread_image; 10792 10793 assert(wand != (MagickWand *) NULL); 10794 assert(wand->signature == WandSignature); 10795 if (wand->debug != MagickFalse) 10796 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10797 if (wand->images == (Image *) NULL) 10798 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10799 spread_image=SpreadImage(wand->images,radius,wand->exception); 10800 if (spread_image == (Image *) NULL) 10801 return(MagickFalse); 10802 ReplaceImageInList(&wand->images,spread_image); 10803 return(MagickTrue); 10804} 10805 10806/* 10807%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10808% % 10809% % 10810% % 10811% M a g i c k S t a t i s t i c I m a g e % 10812% % 10813% % 10814% % 10815%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10816% 10817% MagickStatisticImage() replace each pixel with corresponding statistic from 10818% the neighborhood of the specified width and height. 10819% 10820% The format of the MagickStatisticImage method is: 10821% 10822% MagickBooleanType MagickStatisticImage(MagickWand *wand, 10823% const StatisticType type,const double width,const size_t height) 10824% 10825% A description of each parameter follows: 10826% 10827% o wand: the magick wand. 10828% 10829% o type: the statistic type (e.g. median, mode, etc.). 10830% 10831% o width: the width of the pixel neighborhood. 10832% 10833% o height: the height of the pixel neighborhood. 10834% 10835*/ 10836WandExport MagickBooleanType MagickStatisticImage(MagickWand *wand, 10837 const StatisticType type,const size_t width,const size_t height) 10838{ 10839 Image 10840 *statistic_image; 10841 10842 assert(wand != (MagickWand *) NULL); 10843 assert(wand->signature == WandSignature); 10844 if (wand->debug != MagickFalse) 10845 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10846 if (wand->images == (Image *) NULL) 10847 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10848 statistic_image=StatisticImage(wand->images,type,width,height, 10849 wand->exception); 10850 if (statistic_image == (Image *) NULL) 10851 return(MagickFalse); 10852 ReplaceImageInList(&wand->images,statistic_image); 10853 return(MagickTrue); 10854} 10855 10856/* 10857%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10858% % 10859% % 10860% % 10861% M a g i c k S t e g a n o I m a g e % 10862% % 10863% % 10864% % 10865%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10866% 10867% MagickSteganoImage() hides a digital watermark within the image. 10868% Recover the hidden watermark later to prove that the authenticity of 10869% an image. Offset defines the start position within the image to hide 10870% the watermark. 10871% 10872% The format of the MagickSteganoImage method is: 10873% 10874% MagickWand *MagickSteganoImage(MagickWand *wand, 10875% const MagickWand *watermark_wand,const ssize_t offset) 10876% 10877% A description of each parameter follows: 10878% 10879% o wand: the magick wand. 10880% 10881% o watermark_wand: the watermark wand. 10882% 10883% o offset: Start hiding at this offset into the image. 10884% 10885*/ 10886WandExport MagickWand *MagickSteganoImage(MagickWand *wand, 10887 const MagickWand *watermark_wand,const ssize_t offset) 10888{ 10889 Image 10890 *stegano_image; 10891 10892 assert(wand != (MagickWand *) NULL); 10893 assert(wand->signature == WandSignature); 10894 if (wand->debug != MagickFalse) 10895 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10896 if ((wand->images == (Image *) NULL) || 10897 (watermark_wand->images == (Image *) NULL)) 10898 { 10899 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10900 "ContainsNoImages","`%s'",wand->name); 10901 return((MagickWand *) NULL); 10902 } 10903 wand->images->offset=offset; 10904 stegano_image=SteganoImage(wand->images,watermark_wand->images, 10905 wand->exception); 10906 if (stegano_image == (Image *) NULL) 10907 return((MagickWand *) NULL); 10908 return(CloneMagickWandFromImages(wand,stegano_image)); 10909} 10910 10911/* 10912%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10913% % 10914% % 10915% % 10916% M a g i c k S t e r e o I m a g e % 10917% % 10918% % 10919% % 10920%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10921% 10922% MagickStereoImage() composites two images and produces a single image that 10923% is the composite of a left and right image of a stereo pair 10924% 10925% The format of the MagickStereoImage method is: 10926% 10927% MagickWand *MagickStereoImage(MagickWand *wand, 10928% const MagickWand *offset_wand) 10929% 10930% A description of each parameter follows: 10931% 10932% o wand: the magick wand. 10933% 10934% o offset_wand: Another image wand. 10935% 10936*/ 10937WandExport MagickWand *MagickStereoImage(MagickWand *wand, 10938 const MagickWand *offset_wand) 10939{ 10940 Image 10941 *stereo_image; 10942 10943 assert(wand != (MagickWand *) NULL); 10944 assert(wand->signature == WandSignature); 10945 if (wand->debug != MagickFalse) 10946 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10947 if ((wand->images == (Image *) NULL) || 10948 (offset_wand->images == (Image *) NULL)) 10949 { 10950 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10951 "ContainsNoImages","`%s'",wand->name); 10952 return((MagickWand *) NULL); 10953 } 10954 stereo_image=StereoImage(wand->images,offset_wand->images,wand->exception); 10955 if (stereo_image == (Image *) NULL) 10956 return((MagickWand *) NULL); 10957 return(CloneMagickWandFromImages(wand,stereo_image)); 10958} 10959 10960/* 10961%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10962% % 10963% % 10964% % 10965% M a g i c k S t r i p I m a g e % 10966% % 10967% % 10968% % 10969%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10970% 10971% MagickStripImage() strips an image of all profiles and comments. 10972% 10973% The format of the MagickStripImage method is: 10974% 10975% MagickBooleanType MagickStripImage(MagickWand *wand) 10976% 10977% A description of each parameter follows: 10978% 10979% o wand: the magick wand. 10980% 10981*/ 10982WandExport MagickBooleanType MagickStripImage(MagickWand *wand) 10983{ 10984 MagickBooleanType 10985 status; 10986 10987 assert(wand != (MagickWand *) NULL); 10988 assert(wand->signature == WandSignature); 10989 if (wand->debug != MagickFalse) 10990 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10991 if (wand->images == (Image *) NULL) 10992 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10993 status=StripImage(wand->images); 10994 if (status == MagickFalse) 10995 InheritException(wand->exception,&wand->images->exception); 10996 return(status); 10997} 10998 10999/* 11000%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11001% % 11002% % 11003% % 11004% M a g i c k S w i r l I m a g e % 11005% % 11006% % 11007% % 11008%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11009% 11010% MagickSwirlImage() swirls the pixels about the center of the image, where 11011% degrees indicates the sweep of the arc through which each pixel is moved. 11012% You get a more dramatic effect as the degrees move from 1 to 360. 11013% 11014% The format of the MagickSwirlImage method is: 11015% 11016% MagickBooleanType MagickSwirlImage(MagickWand *wand,const double degrees) 11017% 11018% A description of each parameter follows: 11019% 11020% o wand: the magick wand. 11021% 11022% o degrees: Define the tightness of the swirling effect. 11023% 11024*/ 11025WandExport MagickBooleanType MagickSwirlImage(MagickWand *wand, 11026 const double degrees) 11027{ 11028 Image 11029 *swirl_image; 11030 11031 assert(wand != (MagickWand *) NULL); 11032 assert(wand->signature == WandSignature); 11033 if (wand->debug != MagickFalse) 11034 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11035 if (wand->images == (Image *) NULL) 11036 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11037 swirl_image=SwirlImage(wand->images,degrees,wand->exception); 11038 if (swirl_image == (Image *) NULL) 11039 return(MagickFalse); 11040 ReplaceImageInList(&wand->images,swirl_image); 11041 return(MagickTrue); 11042} 11043 11044/* 11045%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11046% % 11047% % 11048% % 11049% M a g i c k T e x t u r e I m a g e % 11050% % 11051% % 11052% % 11053%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11054% 11055% MagickTextureImage() repeatedly tiles the texture image across and down the 11056% image canvas. 11057% 11058% The format of the MagickTextureImage method is: 11059% 11060% MagickWand *MagickTextureImage(MagickWand *wand, 11061% const MagickWand *texture_wand) 11062% 11063% A description of each parameter follows: 11064% 11065% o wand: the magick wand. 11066% 11067% o texture_wand: the texture wand 11068% 11069*/ 11070WandExport MagickWand *MagickTextureImage(MagickWand *wand, 11071 const MagickWand *texture_wand) 11072{ 11073 Image 11074 *texture_image; 11075 11076 MagickBooleanType 11077 status; 11078 11079 assert(wand != (MagickWand *) NULL); 11080 assert(wand->signature == WandSignature); 11081 if (wand->debug != MagickFalse) 11082 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11083 if ((wand->images == (Image *) NULL) || 11084 (texture_wand->images == (Image *) NULL)) 11085 { 11086 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11087 "ContainsNoImages","`%s'",wand->name); 11088 return((MagickWand *) NULL); 11089 } 11090 texture_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11091 if (texture_image == (Image *) NULL) 11092 return((MagickWand *) NULL); 11093 status=TextureImage(texture_image,texture_wand->images); 11094 if (status == MagickFalse) 11095 { 11096 InheritException(wand->exception,&texture_image->exception); 11097 texture_image=DestroyImage(texture_image); 11098 return((MagickWand *) NULL); 11099 } 11100 return(CloneMagickWandFromImages(wand,texture_image)); 11101} 11102 11103/* 11104%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11105% % 11106% % 11107% % 11108% M a g i c k T h r e s h o l d I m a g e % 11109% % 11110% % 11111% % 11112%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11113% 11114% MagickThresholdImage() changes the value of individual pixels based on 11115% the intensity of each pixel compared to threshold. The result is a 11116% high-contrast, two color image. 11117% 11118% The format of the MagickThresholdImage method is: 11119% 11120% MagickBooleanType MagickThresholdImage(MagickWand *wand, 11121% const double threshold) 11122% MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11123% const ChannelType channel,const double threshold) 11124% 11125% A description of each parameter follows: 11126% 11127% o wand: the magick wand. 11128% 11129% o channel: the image channel(s). 11130% 11131% o threshold: Define the threshold value. 11132% 11133*/ 11134WandExport MagickBooleanType MagickThresholdImage(MagickWand *wand, 11135 const double threshold) 11136{ 11137 MagickBooleanType 11138 status; 11139 11140 status=MagickThresholdImageChannel(wand,DefaultChannels,threshold); 11141 return(status); 11142} 11143 11144WandExport MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11145 const ChannelType channel,const double threshold) 11146{ 11147 MagickBooleanType 11148 status; 11149 11150 assert(wand != (MagickWand *) NULL); 11151 assert(wand->signature == WandSignature); 11152 if (wand->debug != MagickFalse) 11153 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11154 if (wand->images == (Image *) NULL) 11155 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11156 status=BilevelImage(wand->images,threshold); 11157 if (status == MagickFalse) 11158 InheritException(wand->exception,&wand->images->exception); 11159 return(status); 11160} 11161 11162/* 11163%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11164% % 11165% % 11166% % 11167% M a g i c k T h u m b n a i l I m a g e % 11168% % 11169% % 11170% % 11171%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11172% 11173% MagickThumbnailImage() changes the size of an image to the given dimensions 11174% and removes any associated profiles. The goal is to produce small low cost 11175% thumbnail images suited for display on the Web. 11176% 11177% The format of the MagickThumbnailImage method is: 11178% 11179% MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11180% const size_t columns,const size_t rows) 11181% 11182% A description of each parameter follows: 11183% 11184% o wand: the magick wand. 11185% 11186% o columns: the number of columns in the scaled image. 11187% 11188% o rows: the number of rows in the scaled image. 11189% 11190*/ 11191WandExport MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11192 const size_t columns,const size_t rows) 11193{ 11194 Image 11195 *thumbnail_image; 11196 11197 assert(wand != (MagickWand *) NULL); 11198 assert(wand->signature == WandSignature); 11199 if (wand->debug != MagickFalse) 11200 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11201 if (wand->images == (Image *) NULL) 11202 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11203 thumbnail_image=ThumbnailImage(wand->images,columns,rows,wand->exception); 11204 if (thumbnail_image == (Image *) NULL) 11205 return(MagickFalse); 11206 ReplaceImageInList(&wand->images,thumbnail_image); 11207 return(MagickTrue); 11208} 11209 11210/* 11211%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11212% % 11213% % 11214% % 11215% M a g i c k T i n t I m a g e % 11216% % 11217% % 11218% % 11219%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11220% 11221% MagickTintImage() applies a color vector to each pixel in the image. The 11222% length of the vector is 0 for black and white and at its maximum for the 11223% midtones. The vector weighting function is 11224% f(x)=(1-(4.0*((x-0.5)*(x-0.5)))). 11225% 11226% The format of the MagickTintImage method is: 11227% 11228% MagickBooleanType MagickTintImage(MagickWand *wand, 11229% const PixelWand *tint,const PixelWand *opacity) 11230% 11231% A description of each parameter follows: 11232% 11233% o wand: the magick wand. 11234% 11235% o tint: the tint pixel wand. 11236% 11237% o opacity: the opacity pixel wand. 11238% 11239*/ 11240WandExport MagickBooleanType MagickTintImage(MagickWand *wand, 11241 const PixelWand *tint,const PixelWand *opacity) 11242{ 11243 char 11244 percent_opaque[MaxTextExtent]; 11245 11246 Image 11247 *tint_image; 11248 11249 PixelPacket 11250 target; 11251 11252 assert(wand != (MagickWand *) NULL); 11253 assert(wand->signature == WandSignature); 11254 if (wand->debug != MagickFalse) 11255 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11256 if (wand->images == (Image *) NULL) 11257 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11258 (void) FormatLocaleString(percent_opaque,MaxTextExtent, 11259 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 11260 PixelGetRedQuantum(opacity)),(double) (100.0*QuantumScale* 11261 PixelGetGreenQuantum(opacity)),(double) (100.0*QuantumScale* 11262 PixelGetBlueQuantum(opacity)),(double) (100.0*QuantumScale* 11263 PixelGetOpacityQuantum(opacity))); 11264 PixelGetQuantumPacket(tint,&target); 11265 tint_image=TintImage(wand->images,percent_opaque,target,wand->exception); 11266 if (tint_image == (Image *) NULL) 11267 return(MagickFalse); 11268 ReplaceImageInList(&wand->images,tint_image); 11269 return(MagickTrue); 11270} 11271 11272/* 11273%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11274% % 11275% % 11276% % 11277% M a g i c k T r a n s f o r m I m a g e % 11278% % 11279% % 11280% % 11281%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11282% 11283% MagickTransformImage() is a convenience method that behaves like 11284% MagickResizeImage() or MagickCropImage() but accepts scaling and/or cropping 11285% information as a region geometry specification. If the operation fails, 11286% a NULL image handle is returned. 11287% 11288% The format of the MagickTransformImage method is: 11289% 11290% MagickWand *MagickTransformImage(MagickWand *wand,const char *crop, 11291% const char *geometry) 11292% 11293% A description of each parameter follows: 11294% 11295% o wand: the magick wand. 11296% 11297% o crop: A crop geometry string. This geometry defines a subregion of the 11298% image to crop. 11299% 11300% o geometry: An image geometry string. This geometry defines the final 11301% size of the image. 11302% 11303*/ 11304WandExport MagickWand *MagickTransformImage(MagickWand *wand, 11305 const char *crop,const char *geometry) 11306{ 11307 Image 11308 *transform_image; 11309 11310 MagickBooleanType 11311 status; 11312 11313 assert(wand != (MagickWand *) NULL); 11314 assert(wand->signature == WandSignature); 11315 if (wand->debug != MagickFalse) 11316 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11317 if (wand->images == (Image *) NULL) 11318 return((MagickWand *) NULL); 11319 transform_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11320 if (transform_image == (Image *) NULL) 11321 return((MagickWand *) NULL); 11322 status=TransformImage(&transform_image,crop,geometry); 11323 if (status == MagickFalse) 11324 { 11325 InheritException(wand->exception,&transform_image->exception); 11326 transform_image=DestroyImage(transform_image); 11327 return((MagickWand *) NULL); 11328 } 11329 return(CloneMagickWandFromImages(wand,transform_image)); 11330} 11331 11332/* 11333%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11334% % 11335% % 11336% % 11337% 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 % 11338% % 11339% % 11340% % 11341%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11342% 11343% MagickTransformImageColorspace() transform the image colorspace. 11344% 11345% The format of the MagickTransformImageColorspace method is: 11346% 11347% MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11348% const ColorspaceType colorspace) 11349% 11350% A description of each parameter follows: 11351% 11352% o wand: the magick wand. 11353% 11354% o colorspace: the image colorspace: UndefinedColorspace, RGBColorspace, 11355% GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, 11356% YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, 11357% YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, 11358% HSLColorspace, or HWBColorspace. 11359% 11360*/ 11361WandExport MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11362 const ColorspaceType colorspace) 11363{ 11364 assert(wand != (MagickWand *) NULL); 11365 assert(wand->signature == WandSignature); 11366 if (wand->debug != MagickFalse) 11367 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11368 if (wand->images == (Image *) NULL) 11369 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11370 return(TransformImageColorspace(wand->images,colorspace)); 11371} 11372 11373/* 11374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11375% % 11376% % 11377% % 11378% 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 % 11379% % 11380% % 11381% % 11382%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11383% 11384% MagickTransparentPaintImage() changes any pixel that matches color with the 11385% color defined by fill. 11386% 11387% The format of the MagickTransparentPaintImage method is: 11388% 11389% MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11390% const PixelWand *target,const double alpha,const double fuzz, 11391% const MagickBooleanType invert) 11392% 11393% A description of each parameter follows: 11394% 11395% o wand: the magick wand. 11396% 11397% o target: Change this target color to specified opacity value within 11398% the image. 11399% 11400% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 11401% transparent. 11402% 11403% o fuzz: By default target must match a particular pixel color 11404% exactly. However, in many cases two colors may differ by a small amount. 11405% The fuzz member of image defines how much tolerance is acceptable to 11406% consider two colors as the same. For example, set fuzz to 10 and the 11407% color red at intensities of 100 and 102 respectively are now interpreted 11408% as the same color for the purposes of the floodfill. 11409% 11410% o invert: paint any pixel that does not match the target color. 11411% 11412*/ 11413WandExport MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11414 const PixelWand *target,const double alpha,const double fuzz, 11415 const MagickBooleanType invert) 11416{ 11417 MagickBooleanType 11418 status; 11419 11420 PixelInfo 11421 target_pixel; 11422 11423 assert(wand != (MagickWand *) NULL); 11424 assert(wand->signature == WandSignature); 11425 if (wand->debug != MagickFalse) 11426 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11427 if (wand->images == (Image *) NULL) 11428 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11429 PixelGetMagickColor(target,&target_pixel); 11430 wand->images->fuzz=fuzz; 11431 status=TransparentPaintImage(wand->images,&target_pixel,ClampToQuantum( 11432 QuantumRange*alpha),invert,&wand->images->exception); 11433 return(status); 11434} 11435 11436/* 11437%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11438% % 11439% % 11440% % 11441% M a g i c k T r a n s p o s e I m a g e % 11442% % 11443% % 11444% % 11445%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11446% 11447% MagickTransposeImage() creates a vertical mirror image by reflecting the 11448% pixels around the central x-axis while rotating them 90-degrees. 11449% 11450% The format of the MagickTransposeImage method is: 11451% 11452% MagickBooleanType MagickTransposeImage(MagickWand *wand) 11453% 11454% A description of each parameter follows: 11455% 11456% o wand: the magick wand. 11457% 11458*/ 11459WandExport MagickBooleanType MagickTransposeImage(MagickWand *wand) 11460{ 11461 Image 11462 *transpose_image; 11463 11464 assert(wand != (MagickWand *) NULL); 11465 assert(wand->signature == WandSignature); 11466 if (wand->debug != MagickFalse) 11467 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11468 if (wand->images == (Image *) NULL) 11469 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11470 transpose_image=TransposeImage(wand->images,wand->exception); 11471 if (transpose_image == (Image *) NULL) 11472 return(MagickFalse); 11473 ReplaceImageInList(&wand->images,transpose_image); 11474 return(MagickTrue); 11475} 11476 11477/* 11478%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11479% % 11480% % 11481% % 11482% M a g i c k T r a n s v e r s e I m a g e % 11483% % 11484% % 11485% % 11486%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11487% 11488% MagickTransverseImage() creates a horizontal mirror image by reflecting the 11489% pixels around the central y-axis while rotating them 270-degrees. 11490% 11491% The format of the MagickTransverseImage method is: 11492% 11493% MagickBooleanType MagickTransverseImage(MagickWand *wand) 11494% 11495% A description of each parameter follows: 11496% 11497% o wand: the magick wand. 11498% 11499*/ 11500WandExport MagickBooleanType MagickTransverseImage(MagickWand *wand) 11501{ 11502 Image 11503 *transverse_image; 11504 11505 assert(wand != (MagickWand *) NULL); 11506 assert(wand->signature == WandSignature); 11507 if (wand->debug != MagickFalse) 11508 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11509 if (wand->images == (Image *) NULL) 11510 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11511 transverse_image=TransverseImage(wand->images,wand->exception); 11512 if (transverse_image == (Image *) NULL) 11513 return(MagickFalse); 11514 ReplaceImageInList(&wand->images,transverse_image); 11515 return(MagickTrue); 11516} 11517 11518/* 11519%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11520% % 11521% % 11522% % 11523% M a g i c k T r i m I m a g e % 11524% % 11525% % 11526% % 11527%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11528% 11529% MagickTrimImage() remove edges that are the background color from the image. 11530% 11531% The format of the MagickTrimImage method is: 11532% 11533% MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 11534% 11535% A description of each parameter follows: 11536% 11537% o wand: the magick wand. 11538% 11539% o fuzz: By default target must match a particular pixel color 11540% exactly. However, in many cases two colors may differ by a small amount. 11541% The fuzz member of image defines how much tolerance is acceptable to 11542% consider two colors as the same. For example, set fuzz to 10 and the 11543% color red at intensities of 100 and 102 respectively are now interpreted 11544% as the same color for the purposes of the floodfill. 11545% 11546*/ 11547WandExport MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 11548{ 11549 Image 11550 *trim_image; 11551 11552 assert(wand != (MagickWand *) NULL); 11553 assert(wand->signature == WandSignature); 11554 if (wand->debug != MagickFalse) 11555 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11556 if (wand->images == (Image *) NULL) 11557 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11558 wand->images->fuzz=fuzz; 11559 trim_image=TrimImage(wand->images,wand->exception); 11560 if (trim_image == (Image *) NULL) 11561 return(MagickFalse); 11562 ReplaceImageInList(&wand->images,trim_image); 11563 return(MagickTrue); 11564} 11565 11566/* 11567%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11568% % 11569% % 11570% % 11571% M a g i c k U n i q u e I m a g e C o l o r s % 11572% % 11573% % 11574% % 11575%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11576% 11577% MagickUniqueImageColors() discards all but one of any pixel color. 11578% 11579% The format of the MagickUniqueImageColors method is: 11580% 11581% MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 11582% 11583% A description of each parameter follows: 11584% 11585% o wand: the magick wand. 11586% 11587*/ 11588WandExport MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 11589{ 11590 Image 11591 *unique_image; 11592 11593 assert(wand != (MagickWand *) NULL); 11594 assert(wand->signature == WandSignature); 11595 if (wand->debug != MagickFalse) 11596 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11597 if (wand->images == (Image *) NULL) 11598 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11599 unique_image=UniqueImageColors(wand->images,wand->exception); 11600 if (unique_image == (Image *) NULL) 11601 return(MagickFalse); 11602 ReplaceImageInList(&wand->images,unique_image); 11603 return(MagickTrue); 11604} 11605 11606/* 11607%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11608% % 11609% % 11610% % 11611% M a g i c k U n s h a r p M a s k I m a g e % 11612% % 11613% % 11614% % 11615%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11616% 11617% MagickUnsharpMaskImage() sharpens an image. We convolve the image with a 11618% Gaussian operator of the given radius and standard deviation (sigma). 11619% For reasonable results, radius should be larger than sigma. Use a radius 11620% of 0 and UnsharpMaskImage() selects a suitable radius for you. 11621% 11622% The format of the MagickUnsharpMaskImage method is: 11623% 11624% MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 11625% const double radius,const double sigma,const double amount, 11626% const double threshold) 11627% 11628% A description of each parameter follows: 11629% 11630% o wand: the magick wand. 11631% 11632% o radius: the radius of the Gaussian, in pixels, not counting the center 11633% pixel. 11634% 11635% o sigma: the standard deviation of the Gaussian, in pixels. 11636% 11637% o amount: the percentage of the difference between the original and the 11638% blur image that is added back into the original. 11639% 11640% o threshold: the threshold in pixels needed to apply the diffence amount. 11641% 11642*/ 11643WandExport MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 11644 const double radius,const double sigma,const double amount, 11645 const double threshold) 11646{ 11647 Image 11648 *unsharp_image; 11649 11650 assert(wand != (MagickWand *) NULL); 11651 assert(wand->signature == WandSignature); 11652 if (wand->debug != MagickFalse) 11653 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11654 if (wand->images == (Image *) NULL) 11655 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11656 unsharp_image=UnsharpMaskImage(wand->images,radius,sigma,amount,threshold, 11657 wand->exception); 11658 if (unsharp_image == (Image *) NULL) 11659 return(MagickFalse); 11660 ReplaceImageInList(&wand->images,unsharp_image); 11661 return(MagickTrue); 11662} 11663 11664/* 11665%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11666% % 11667% % 11668% % 11669% M a g i c k V i g n e t t e I m a g e % 11670% % 11671% % 11672% % 11673%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11674% 11675% MagickVignetteImage() softens the edges of the image in vignette style. 11676% 11677% The format of the MagickVignetteImage method is: 11678% 11679% MagickBooleanType MagickVignetteImage(MagickWand *wand, 11680% const double black_point,const double white_point,const ssize_t x, 11681% const ssize_t y) 11682% 11683% A description of each parameter follows: 11684% 11685% o wand: the magick wand. 11686% 11687% o black_point: the black point. 11688% 11689% o white_point: the white point. 11690% 11691% o x, y: Define the x and y ellipse offset. 11692% 11693*/ 11694WandExport MagickBooleanType MagickVignetteImage(MagickWand *wand, 11695 const double black_point,const double white_point,const ssize_t x,const ssize_t y) 11696{ 11697 Image 11698 *vignette_image; 11699 11700 assert(wand != (MagickWand *) NULL); 11701 assert(wand->signature == WandSignature); 11702 if (wand->debug != MagickFalse) 11703 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11704 if (wand->images == (Image *) NULL) 11705 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11706 vignette_image=VignetteImage(wand->images,black_point,white_point,x,y, 11707 wand->exception); 11708 if (vignette_image == (Image *) NULL) 11709 return(MagickFalse); 11710 ReplaceImageInList(&wand->images,vignette_image); 11711 return(MagickTrue); 11712} 11713 11714/* 11715%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11716% % 11717% % 11718% % 11719% M a g i c k W a v e I m a g e % 11720% % 11721% % 11722% % 11723%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11724% 11725% MagickWaveImage() creates a "ripple" effect in the image by shifting 11726% the pixels vertically along a sine wave whose amplitude and wavelength 11727% is specified by the given parameters. 11728% 11729% The format of the MagickWaveImage method is: 11730% 11731% MagickBooleanType MagickWaveImage(MagickWand *wand,const double amplitude, 11732% const double wave_length) 11733% 11734% A description of each parameter follows: 11735% 11736% o wand: the magick wand. 11737% 11738% o amplitude, wave_length: Define the amplitude and wave length of the 11739% sine wave. 11740% 11741*/ 11742WandExport MagickBooleanType MagickWaveImage(MagickWand *wand, 11743 const double amplitude,const double wave_length) 11744{ 11745 Image 11746 *wave_image; 11747 11748 assert(wand != (MagickWand *) NULL); 11749 assert(wand->signature == WandSignature); 11750 if (wand->debug != MagickFalse) 11751 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11752 if (wand->images == (Image *) NULL) 11753 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11754 wave_image=WaveImage(wand->images,amplitude,wave_length,wand->exception); 11755 if (wave_image == (Image *) NULL) 11756 return(MagickFalse); 11757 ReplaceImageInList(&wand->images,wave_image); 11758 return(MagickTrue); 11759} 11760 11761/* 11762%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11763% % 11764% % 11765% % 11766% 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 % 11767% % 11768% % 11769% % 11770%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11771% 11772% MagickWhiteThresholdImage() is like ThresholdImage() but force all pixels 11773% above the threshold into white while leaving all pixels below the threshold 11774% unchanged. 11775% 11776% The format of the MagickWhiteThresholdImage method is: 11777% 11778% MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 11779% const PixelWand *threshold) 11780% 11781% A description of each parameter follows: 11782% 11783% o wand: the magick wand. 11784% 11785% o threshold: the pixel wand. 11786% 11787*/ 11788WandExport MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 11789 const PixelWand *threshold) 11790{ 11791 char 11792 thresholds[MaxTextExtent]; 11793 11794 MagickBooleanType 11795 status; 11796 11797 assert(wand != (MagickWand *) NULL); 11798 assert(wand->signature == WandSignature); 11799 if (wand->debug != MagickFalse) 11800 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11801 if (wand->images == (Image *) NULL) 11802 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11803 (void) FormatLocaleString(thresholds,MaxTextExtent, 11804 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 11805 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 11806 PixelGetBlueQuantum(threshold),PixelGetOpacityQuantum(threshold)); 11807 status=WhiteThresholdImage(wand->images,thresholds,&wand->images->exception); 11808 if (status == MagickFalse) 11809 InheritException(wand->exception,&wand->images->exception); 11810 return(status); 11811} 11812 11813/* 11814%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11815% % 11816% % 11817% % 11818% M a g i c k W r i t e I m a g e % 11819% % 11820% % 11821% % 11822%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11823% 11824% MagickWriteImage() writes an image to the specified filename. If the 11825% filename parameter is NULL, the image is written to the filename set 11826% by MagickReadImage() or MagickSetImageFilename(). 11827% 11828% The format of the MagickWriteImage method is: 11829% 11830% MagickBooleanType MagickWriteImage(MagickWand *wand, 11831% const char *filename) 11832% 11833% A description of each parameter follows: 11834% 11835% o wand: the magick wand. 11836% 11837% o filename: the image filename. 11838% 11839% 11840*/ 11841WandExport MagickBooleanType MagickWriteImage(MagickWand *wand, 11842 const char *filename) 11843{ 11844 Image 11845 *image; 11846 11847 ImageInfo 11848 *write_info; 11849 11850 MagickBooleanType 11851 status; 11852 11853 assert(wand != (MagickWand *) NULL); 11854 assert(wand->signature == WandSignature); 11855 if (wand->debug != MagickFalse) 11856 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11857 if (wand->images == (Image *) NULL) 11858 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11859 if (filename != (const char *) NULL) 11860 (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); 11861 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11862 if (image == (Image *) NULL) 11863 return(MagickFalse); 11864 write_info=CloneImageInfo(wand->image_info); 11865 write_info->adjoin=MagickTrue; 11866 status=WriteImage(write_info,image,&image->exception); 11867 image=DestroyImage(image); 11868 write_info=DestroyImageInfo(write_info); 11869 return(status); 11870} 11871 11872/* 11873%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11874% % 11875% % 11876% % 11877% M a g i c k W r i t e I m a g e F i l e % 11878% % 11879% % 11880% % 11881%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11882% 11883% MagickWriteImageFile() writes an image to an open file descriptor. 11884% 11885% The format of the MagickWriteImageFile method is: 11886% 11887% MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 11888% 11889% A description of each parameter follows: 11890% 11891% o wand: the magick wand. 11892% 11893% o file: the file descriptor. 11894% 11895*/ 11896WandExport MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 11897{ 11898 Image 11899 *image; 11900 11901 ImageInfo 11902 *write_info; 11903 11904 MagickBooleanType 11905 status; 11906 11907 assert(wand != (MagickWand *) NULL); 11908 assert(wand->signature == WandSignature); 11909 assert(file != (FILE *) NULL); 11910 if (wand->debug != MagickFalse) 11911 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11912 if (wand->images == (Image *) NULL) 11913 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11914 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11915 if (image == (Image *) NULL) 11916 return(MagickFalse); 11917 write_info=CloneImageInfo(wand->image_info); 11918 SetImageInfoFile(write_info,file); 11919 write_info->adjoin=MagickTrue; 11920 status=WriteImage(write_info,image,&image->exception); 11921 write_info=DestroyImageInfo(write_info); 11922 image=DestroyImage(image); 11923 return(status); 11924} 11925 11926/* 11927%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11928% % 11929% % 11930% % 11931% M a g i c k W r i t e I m a g e s % 11932% % 11933% % 11934% % 11935%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11936% 11937% MagickWriteImages() writes an image or image sequence. 11938% 11939% The format of the MagickWriteImages method is: 11940% 11941% MagickBooleanType MagickWriteImages(MagickWand *wand, 11942% const char *filename,const MagickBooleanType adjoin) 11943% 11944% A description of each parameter follows: 11945% 11946% o wand: the magick wand. 11947% 11948% o filename: the image filename. 11949% 11950% o adjoin: join images into a single multi-image file. 11951% 11952*/ 11953WandExport MagickBooleanType MagickWriteImages(MagickWand *wand, 11954 const char *filename,const MagickBooleanType adjoin) 11955{ 11956 ImageInfo 11957 *write_info; 11958 11959 MagickBooleanType 11960 status; 11961 11962 assert(wand != (MagickWand *) NULL); 11963 assert(wand->signature == WandSignature); 11964 if (wand->debug != MagickFalse) 11965 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11966 if (wand->images == (Image *) NULL) 11967 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11968 write_info=CloneImageInfo(wand->image_info); 11969 write_info->adjoin=adjoin; 11970 status=WriteImages(write_info,wand->images,filename,wand->exception); 11971 if (status == MagickFalse) 11972 InheritException(wand->exception,&wand->images->exception); 11973 write_info=DestroyImageInfo(write_info); 11974 return(status); 11975} 11976 11977/* 11978%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11979% % 11980% % 11981% % 11982% M a g i c k W r i t e I m a g e s F i l e % 11983% % 11984% % 11985% % 11986%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11987% 11988% MagickWriteImagesFile() writes an image sequence to an open file descriptor. 11989% 11990% The format of the MagickWriteImagesFile method is: 11991% 11992% MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 11993% 11994% A description of each parameter follows: 11995% 11996% o wand: the magick wand. 11997% 11998% o file: the file descriptor. 11999% 12000*/ 12001WandExport MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12002{ 12003 ImageInfo 12004 *write_info; 12005 12006 MagickBooleanType 12007 status; 12008 12009 assert(wand != (MagickWand *) NULL); 12010 assert(wand->signature == WandSignature); 12011 if (wand->debug != MagickFalse) 12012 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12013 if (wand->images == (Image *) NULL) 12014 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12015 write_info=CloneImageInfo(wand->image_info); 12016 SetImageInfoFile(write_info,file); 12017 write_info->adjoin=MagickTrue; 12018 status=WriteImages(write_info,wand->images,(const char *) NULL, 12019 wand->exception); 12020 write_info=DestroyImageInfo(write_info); 12021 if (status == MagickFalse) 12022 InheritException(wand->exception,&wand->images->exception); 12023 return(status); 12024} 12025