magick-image.c revision 5f49bdb5796da7239632939157f2e0152cb2cabe
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% const PixelInterpolateMethod method) 230% 231% A description of each parameter follows: 232% 233% o wand: the magick wand. 234% 235% o columns: the number of columns in the scaled image. 236% 237% o rows: the number of rows in the scaled image. 238% 239% o interpolate: the pixel interpolation method. 240% 241*/ 242WandExport MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, 243 const size_t columns,const size_t rows,const PixelInterpolateMethod method) 244{ 245 Image 246 *resize_image; 247 248 assert(wand != (MagickWand *) NULL); 249 assert(wand->signature == WandSignature); 250 if (wand->debug != MagickFalse) 251 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 252 if (wand->images == (Image *) NULL) 253 ThrowWandException(WandError,"ContainsNoImages",wand->name); 254 resize_image=AdaptiveResizeImage(wand->images,columns,rows,method, 255 wand->exception); 256 if (resize_image == (Image *) NULL) 257 return(MagickFalse); 258 ReplaceImageInList(&wand->images,resize_image); 259 return(MagickTrue); 260} 261 262/* 263%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 264% % 265% % 266% % 267% 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 % 268% % 269% % 270% % 271%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 272% 273% MagickAdaptiveSharpenImage() adaptively sharpens the image by sharpening 274% more intensely near image edges and less intensely far from edges. We 275% sharpen the image with a Gaussian operator of the given radius and standard 276% deviation (sigma). For reasonable results, radius should be larger than 277% sigma. Use a radius of 0 and MagickAdaptiveSharpenImage() selects a 278% suitable radius for you. 279% 280% The format of the MagickAdaptiveSharpenImage method is: 281% 282% MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 283% const double radius,const double sigma,const double bias) 284% 285% A description of each parameter follows: 286% 287% o wand: the magick wand. 288% 289% o radius: the radius of the Gaussian, in pixels, not counting the center 290% pixel. 291% 292% o sigma: the standard deviation of the Gaussian, in pixels. 293% 294% o bias: the bias. 295% 296*/ 297WandExport MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 298 const double radius,const double sigma,const double bias) 299{ 300 Image 301 *sharp_image; 302 303 assert(wand != (MagickWand *) NULL); 304 assert(wand->signature == WandSignature); 305 if (wand->debug != MagickFalse) 306 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 307 if (wand->images == (Image *) NULL) 308 ThrowWandException(WandError,"ContainsNoImages",wand->name); 309 sharp_image=AdaptiveSharpenImage(wand->images,radius,sigma,bias, 310 wand->exception); 311 if (sharp_image == (Image *) NULL) 312 return(MagickFalse); 313 ReplaceImageInList(&wand->images,sharp_image); 314 return(MagickTrue); 315} 316 317/* 318%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 319% % 320% % 321% % 322% 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 % 323% % 324% % 325% % 326%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 327% 328% MagickAdaptiveThresholdImage() selects an individual threshold for each pixel 329% based on the range of intensity values in its local neighborhood. This 330% allows for thresholding of an image whose global intensity histogram 331% doesn't contain distinctive peaks. 332% 333% The format of the AdaptiveThresholdImage method is: 334% 335% MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 336% const size_t width,const size_t height,const double bias) 337% 338% A description of each parameter follows: 339% 340% o wand: the magick wand. 341% 342% o width: the width of the local neighborhood. 343% 344% o height: the height of the local neighborhood. 345% 346% o offset: the mean bias. 347% 348*/ 349WandExport MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 350 const size_t width,const size_t height,const double bias) 351{ 352 Image 353 *threshold_image; 354 355 assert(wand != (MagickWand *) NULL); 356 assert(wand->signature == WandSignature); 357 if (wand->debug != MagickFalse) 358 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 359 if (wand->images == (Image *) NULL) 360 ThrowWandException(WandError,"ContainsNoImages",wand->name); 361 threshold_image=AdaptiveThresholdImage(wand->images,width,height,bias, 362 wand->exception); 363 if (threshold_image == (Image *) NULL) 364 return(MagickFalse); 365 ReplaceImageInList(&wand->images,threshold_image); 366 return(MagickTrue); 367} 368 369/* 370%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 371% % 372% % 373% % 374% M a g i c k A d d I m a g e % 375% % 376% % 377% % 378%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 379% 380% MagickAddImage() adds a clone of the images in the second wand and 381% inserts them into the first wand, at the current image location. 382% 383% Use MagickSetFirstIterator(), to insert new images before all the current 384% images in the wand, otherwise image is placed after the current image. 385% 386% The format of the MagickAddImage method is: 387% 388% MagickBooleanType MagickAddImage(MagickWand *wand, 389% const MagickWand *add_wand) 390% 391% A description of each parameter follows: 392% 393% o wand: the magick wand. 394% 395% o add_wand: A wand that contains images to add at the current image 396% location. 397% 398*/ 399 400static inline MagickBooleanType InsertImageInWand(MagickWand *wand, 401 Image *images) 402{ 403 Image 404 *current; 405 406 current=wand->images; /* note the current image */ 407 408 /* if no images in wand, just add them and set first image as current */ 409 if (current == (Image *) NULL) 410 { 411 wand->images=GetFirstImageInList(images); 412 return(MagickTrue); 413 } 414 415 /* user jumped to first image, so prepend new images - remain active */ 416 if ((wand->set_first != MagickFalse) && 417 (current->previous == (Image *) NULL) ) 418 { 419 PrependImageToList(¤t,images); 420 wand->images=GetFirstImageInList(images); 421 return(MagickTrue); 422 } 423 wand->set_first = MagickFalse; /* flag no longer valid */ 424 425 /* Current image was flaged as 'pending' iterative processing. */ 426 if (wand->image_pending != MagickFalse) 427 { 428 /* current pending image is the last, append new images */ 429 if (current->next == (Image *) NULL) 430 { 431 AppendImageToList(¤t,images); 432 wand->images=GetLastImageInList(images); 433 return(MagickTrue); 434 } 435 /* current pending image is the first image, prepend it */ 436 if (current->previous == (Image *) NULL) 437 { 438 PrependImageToList(¤t,images); 439 wand->images=GetFirstImageInList(images); 440 return(MagickTrue); 441 } 442 } 443 444 /* if at last image append new images */ 445 if (current->next == (Image *) NULL) 446 { 447 InsertImageInList(¤t,images); 448 wand->images=GetLastImageInList(images); 449 return(MagickTrue); 450 } 451 /* otherwise just insert image, just after the current image */ 452 InsertImageInList(¤t,images); 453 wand->images=GetFirstImageInList(images); 454 return(MagickTrue); 455} 456 457WandExport MagickBooleanType MagickAddImage(MagickWand *wand, 458 const MagickWand *add_wand) 459{ 460 Image 461 *images; 462 463 assert(wand != (MagickWand *) NULL); 464 assert(wand->signature == WandSignature); 465 if (wand->debug != MagickFalse) 466 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 467 assert(add_wand != (MagickWand *) NULL); 468 assert(add_wand->signature == WandSignature); 469 if (add_wand->images == (Image *) NULL) 470 ThrowWandException(WandError,"ContainsNoImages",add_wand->name); 471 472 /* clone images in second wand, and insert into first */ 473 images=CloneImageList(add_wand->images,wand->exception); 474 if (images == (Image *) NULL) 475 return(MagickFalse); 476 return(InsertImageInWand(wand,images)); 477} 478 479/* 480%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 481% % 482% % 483% % 484% M a g i c k A d d N o i s e I m a g e % 485% % 486% % 487% % 488%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 489% 490% MagickAddNoiseImage() adds random noise to the image. 491% 492% The format of the MagickAddNoiseImage method is: 493% 494% MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 495% const NoiseType noise_type,const double attenuate) 496% 497% A description of each parameter follows: 498% 499% o wand: the magick wand. 500% 501% o noise_type: The type of noise: Uniform, Gaussian, Multiplicative, 502% Impulse, Laplacian, or Poisson. 503% 504% o attenuate: attenuate the random distribution. 505% 506*/ 507WandExport MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 508 const NoiseType noise_type,const double attenuate) 509{ 510 Image 511 *noise_image; 512 513 assert(wand != (MagickWand *) NULL); 514 assert(wand->signature == WandSignature); 515 if (wand->debug != MagickFalse) 516 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 517 if (wand->images == (Image *) NULL) 518 ThrowWandException(WandError,"ContainsNoImages",wand->name); 519 noise_image=AddNoiseImage(wand->images,noise_type,attenuate,wand->exception); 520 if (noise_image == (Image *) NULL) 521 return(MagickFalse); 522 ReplaceImageInList(&wand->images,noise_image); 523 return(MagickTrue); 524} 525 526/* 527%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 528% % 529% % 530% % 531% 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 % 532% % 533% % 534% % 535%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 536% 537% MagickAffineTransformImage() transforms an image as dictated by the affine 538% matrix of the drawing wand. 539% 540% The format of the MagickAffineTransformImage method is: 541% 542% MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 543% const DrawingWand *drawing_wand) 544% 545% A description of each parameter follows: 546% 547% o wand: the magick wand. 548% 549% o drawing_wand: the draw wand. 550% 551*/ 552WandExport MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 553 const DrawingWand *drawing_wand) 554{ 555 DrawInfo 556 *draw_info; 557 558 Image 559 *affine_image; 560 561 assert(wand != (MagickWand *) NULL); 562 assert(wand->signature == WandSignature); 563 if (wand->debug != MagickFalse) 564 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 565 if (wand->images == (Image *) NULL) 566 ThrowWandException(WandError,"ContainsNoImages",wand->name); 567 draw_info=PeekDrawingWand(drawing_wand); 568 if (draw_info == (DrawInfo *) NULL) 569 return(MagickFalse); 570 affine_image=AffineTransformImage(wand->images,&draw_info->affine, 571 wand->exception); 572 draw_info=DestroyDrawInfo(draw_info); 573 if (affine_image == (Image *) NULL) 574 return(MagickFalse); 575 ReplaceImageInList(&wand->images,affine_image); 576 return(MagickTrue); 577} 578 579/* 580%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 581% % 582% % 583% % 584% M a g i c k A n n o t a t e I m a g e % 585% % 586% % 587% % 588%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 589% 590% MagickAnnotateImage() annotates an image with text. 591% 592% The format of the MagickAnnotateImage method is: 593% 594% MagickBooleanType MagickAnnotateImage(MagickWand *wand, 595% const DrawingWand *drawing_wand,const double x,const double y, 596% const double angle,const char *text) 597% 598% A description of each parameter follows: 599% 600% o wand: the magick wand. 601% 602% o drawing_wand: the draw wand. 603% 604% o x: x ordinate to left of text 605% 606% o y: y ordinate to text baseline 607% 608% o angle: rotate text relative to this angle. 609% 610% o text: text to draw 611% 612*/ 613WandExport MagickBooleanType MagickAnnotateImage(MagickWand *wand, 614 const DrawingWand *drawing_wand,const double x,const double y, 615 const double angle,const char *text) 616{ 617 char 618 geometry[MaxTextExtent]; 619 620 DrawInfo 621 *draw_info; 622 623 MagickBooleanType 624 status; 625 626 assert(wand != (MagickWand *) NULL); 627 assert(wand->signature == WandSignature); 628 if (wand->debug != MagickFalse) 629 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 630 if (wand->images == (Image *) NULL) 631 ThrowWandException(WandError,"ContainsNoImages",wand->name); 632 draw_info=PeekDrawingWand(drawing_wand); 633 if (draw_info == (DrawInfo *) NULL) 634 return(MagickFalse); 635 (void) CloneString(&draw_info->text,text); 636 (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",x,y); 637 draw_info->affine.sx=cos((double) DegreesToRadians(fmod(angle,360.0))); 638 draw_info->affine.rx=sin((double) DegreesToRadians(fmod(angle,360.0))); 639 draw_info->affine.ry=(-sin((double) DegreesToRadians(fmod(angle,360.0)))); 640 draw_info->affine.sy=cos((double) DegreesToRadians(fmod(angle,360.0))); 641 (void) CloneString(&draw_info->geometry,geometry); 642 status=AnnotateImage(wand->images,draw_info,wand->exception); 643 draw_info=DestroyDrawInfo(draw_info); 644 return(status); 645} 646 647/* 648%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 649% % 650% % 651% % 652% M a g i c k A n i m a t e I m a g e s % 653% % 654% % 655% % 656%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 657% 658% MagickAnimateImages() animates an image or image sequence. 659% 660% The format of the MagickAnimateImages method is: 661% 662% MagickBooleanType MagickAnimateImages(MagickWand *wand, 663% const char *server_name) 664% 665% A description of each parameter follows: 666% 667% o wand: the magick wand. 668% 669% o server_name: the X server name. 670% 671*/ 672WandExport MagickBooleanType MagickAnimateImages(MagickWand *wand, 673 const char *server_name) 674{ 675 MagickBooleanType 676 status; 677 678 assert(wand != (MagickWand *) NULL); 679 assert(wand->signature == WandSignature); 680 if (wand->debug != MagickFalse) 681 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 682 (void) CloneString(&wand->image_info->server_name,server_name); 683 status=AnimateImages(wand->image_info,wand->images,wand->exception); 684 return(status); 685} 686 687/* 688%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 689% % 690% % 691% % 692% M a g i c k A p p e n d I m a g e s % 693% % 694% % 695% % 696%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 697% 698% MagickAppendImages() append a set of images. 699% 700% The format of the MagickAppendImages method is: 701% 702% MagickWand *MagickAppendImages(MagickWand *wand, 703% const MagickBooleanType stack) 704% 705% A description of each parameter follows: 706% 707% o wand: the magick wand. 708% 709% o stack: By default, images are stacked left-to-right. Set stack to 710% MagickTrue to stack them top-to-bottom. 711% 712*/ 713WandExport MagickWand *MagickAppendImages(MagickWand *wand, 714 const MagickBooleanType stack) 715{ 716 Image 717 *append_image; 718 719 assert(wand != (MagickWand *) NULL); 720 assert(wand->signature == WandSignature); 721 if (wand->debug != MagickFalse) 722 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 723 if (wand->images == (Image *) NULL) 724 return((MagickWand *) NULL); 725 append_image=AppendImages(wand->images,stack,wand->exception); 726 if (append_image == (Image *) NULL) 727 return((MagickWand *) NULL); 728 return(CloneMagickWandFromImages(wand,append_image)); 729} 730 731/* 732%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 733% % 734% % 735% % 736% M a g i c k A u t o G a m m a I m a g e % 737% % 738% % 739% % 740%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 741% 742% MagickAutoGammaImage() extracts the 'mean' from the image and adjust the 743% image to try make set its gamma appropriatally. 744% 745% The format of the MagickAutoGammaImage method is: 746% 747% MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 748% 749% A description of each parameter follows: 750% 751% o wand: the magick wand. 752% 753*/ 754WandExport MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 755{ 756 MagickBooleanType 757 status; 758 759 assert(wand != (MagickWand *) NULL); 760 assert(wand->signature == WandSignature); 761 if (wand->debug != MagickFalse) 762 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 763 if (wand->images == (Image *) NULL) 764 ThrowWandException(WandError,"ContainsNoImages",wand->name); 765 status=AutoGammaImage(wand->images,wand->exception); 766 return(status); 767} 768 769/* 770%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 771% % 772% % 773% % 774% M a g i c k A u t o L e v e l I m a g e % 775% % 776% % 777% % 778%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 779% 780% MagickAutoLevelImage() adjusts the levels of a particular image channel by 781% scaling the minimum and maximum values to the full quantum range. 782% 783% The format of the MagickAutoLevelImage method is: 784% 785% MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 786% 787% A description of each parameter follows: 788% 789% o wand: the magick wand. 790% 791*/ 792WandExport MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 793{ 794 MagickBooleanType 795 status; 796 797 assert(wand != (MagickWand *) NULL); 798 assert(wand->signature == WandSignature); 799 if (wand->debug != MagickFalse) 800 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 801 if (wand->images == (Image *) NULL) 802 ThrowWandException(WandError,"ContainsNoImages",wand->name); 803 status=AutoLevelImage(wand->images,wand->exception); 804 return(status); 805} 806 807/* 808%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 809% % 810% % 811% % 812% 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 % 813% % 814% % 815% % 816%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 817% 818% MagickBlackThresholdImage() is like MagickThresholdImage() but forces all 819% pixels below the threshold into black while leaving all pixels above the 820% threshold unchanged. 821% 822% The format of the MagickBlackThresholdImage method is: 823% 824% MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 825% const PixelWand *threshold) 826% 827% A description of each parameter follows: 828% 829% o wand: the magick wand. 830% 831% o threshold: the pixel wand. 832% 833*/ 834WandExport MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 835 const PixelWand *threshold) 836{ 837 char 838 thresholds[MaxTextExtent]; 839 840 MagickBooleanType 841 status; 842 843 assert(wand != (MagickWand *) NULL); 844 assert(wand->signature == WandSignature); 845 if (wand->debug != MagickFalse) 846 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 847 if (wand->images == (Image *) NULL) 848 ThrowWandException(WandError,"ContainsNoImages",wand->name); 849 (void) FormatLocaleString(thresholds,MaxTextExtent, 850 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 851 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 852 PixelGetBlueQuantum(threshold),PixelGetAlphaQuantum(threshold)); 853 status=BlackThresholdImage(wand->images,thresholds,wand->exception); 854 return(status); 855} 856 857/* 858%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 859% % 860% % 861% % 862% M a g i c k B l u e S h i f t I m a g e % 863% % 864% % 865% % 866%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 867% 868% MagickBlueShiftImage() mutes the colors of the image to simulate a scene at 869% nighttime in the moonlight. 870% 871% The format of the MagickBlueShiftImage method is: 872% 873% MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 874% const double factor) 875% 876% A description of each parameter follows: 877% 878% o wand: the magick wand. 879% 880% o factor: the blue shift factor (default 1.5) 881% 882*/ 883WandExport MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 884 const double factor) 885{ 886 Image 887 *shift_image; 888 889 assert(wand != (MagickWand *) NULL); 890 assert(wand->signature == WandSignature); 891 if (wand->debug != MagickFalse) 892 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 893 if (wand->images == (Image *) NULL) 894 ThrowWandException(WandError,"ContainsNoImages",wand->name); 895 shift_image=BlueShiftImage(wand->images,factor,wand->exception); 896 if (shift_image == (Image *) NULL) 897 return(MagickFalse); 898 ReplaceImageInList(&wand->images,shift_image); 899 return(MagickTrue); 900} 901 902/* 903%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 904% % 905% % 906% % 907% M a g i c k B l u r I m a g e % 908% % 909% % 910% % 911%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 912% 913% MagickBlurImage() blurs an image. We convolve the image with a 914% gaussian operator of the given radius and standard deviation (sigma). 915% For reasonable results, the radius should be larger than sigma. Use a 916% radius of 0 and BlurImage() selects a suitable radius for you. 917% 918% The format of the MagickBlurImage method is: 919% 920% MagickBooleanType MagickBlurImage(MagickWand *wand,const double radius, 921% const double sigmaconst double bias) 922% 923% A description of each parameter follows: 924% 925% o wand: the magick wand. 926% 927% o radius: the radius of the , in pixels, not counting the center 928% pixel. 929% 930% o sigma: the standard deviation of the , in pixels. 931% 932% o bias: the bias. 933% 934*/ 935WandExport MagickBooleanType MagickBlurImage(MagickWand *wand, 936 const double radius,const double sigma,const double bias) 937{ 938 Image 939 *blur_image; 940 941 assert(wand != (MagickWand *) NULL); 942 assert(wand->signature == WandSignature); 943 if (wand->debug != MagickFalse) 944 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 945 if (wand->images == (Image *) NULL) 946 ThrowWandException(WandError,"ContainsNoImages",wand->name); 947 blur_image=BlurImage(wand->images,radius,sigma,bias,wand->exception); 948 if (blur_image == (Image *) NULL) 949 return(MagickFalse); 950 ReplaceImageInList(&wand->images,blur_image); 951 return(MagickTrue); 952} 953 954/* 955%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 956% % 957% % 958% % 959% M a g i c k B o r d e r I m a g e % 960% % 961% % 962% % 963%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 964% 965% MagickBorderImage() surrounds the image with a border of the color defined 966% by the bordercolor pixel wand. 967% 968% The format of the MagickBorderImage method is: 969% 970% MagickBooleanType MagickBorderImage(MagickWand *wand, 971% const PixelWand *bordercolor,const size_t width, 972% const size_t height,const CompositeOperator compose) 973% 974% A description of each parameter follows: 975% 976% o wand: the magick wand. 977% 978% o bordercolor: the border color pixel wand. 979% 980% o width: the border width. 981% 982% o height: the border height. 983% 984% o compose: the composite operator. 985% 986*/ 987WandExport MagickBooleanType MagickBorderImage(MagickWand *wand, 988 const PixelWand *bordercolor,const size_t width,const size_t height, 989 const CompositeOperator compose) 990{ 991 Image 992 *border_image; 993 994 RectangleInfo 995 border_info; 996 997 assert(wand != (MagickWand *) NULL); 998 assert(wand->signature == WandSignature); 999 if (wand->debug != MagickFalse) 1000 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1001 if (wand->images == (Image *) NULL) 1002 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1003 border_info.width=width; 1004 border_info.height=height; 1005 border_info.x=0; 1006 border_info.y=0; 1007 PixelGetQuantumPacket(bordercolor,&wand->images->border_color); 1008 border_image=BorderImage(wand->images,&border_info,compose,wand->exception); 1009 if (border_image == (Image *) NULL) 1010 return(MagickFalse); 1011 ReplaceImageInList(&wand->images,border_image); 1012 return(MagickTrue); 1013} 1014 1015/* 1016%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1017% % 1018% % 1019% % 1020% 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 % 1021% % 1022% % 1023% % 1024%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1025% 1026% Use MagickBrightnessContrastImage() to change the brightness and/or contrast 1027% of an image. It converts the brightness and contrast parameters into slope 1028% and intercept and calls a polynomical function to apply to the image. 1029 1030% 1031% The format of the MagickBrightnessContrastImage method is: 1032% 1033% MagickBooleanType MagickBrightnessContrastImage(MagickWand *wand, 1034% const double brightness,const double contrast) 1035% 1036% A description of each parameter follows: 1037% 1038% o wand: the magick wand. 1039% 1040% o brightness: the brightness percent (-100 .. 100). 1041% 1042% o contrast: the contrast percent (-100 .. 100). 1043% 1044*/ 1045WandExport MagickBooleanType MagickBrightnessContrastImage( 1046 MagickWand *wand,const double brightness,const double contrast) 1047{ 1048 MagickBooleanType 1049 status; 1050 1051 assert(wand != (MagickWand *) NULL); 1052 assert(wand->signature == WandSignature); 1053 if (wand->debug != MagickFalse) 1054 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1055 if (wand->images == (Image *) NULL) 1056 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1057 status=BrightnessContrastImage(wand->images,brightness,contrast, 1058 wand->exception); 1059 return(status); 1060} 1061 1062/* 1063%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1064% % 1065% % 1066% % 1067% M a g i c k C h a r c o a l I m a g e % 1068% % 1069% % 1070% % 1071%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1072% 1073% MagickCharcoalImage() simulates a charcoal drawing. 1074% 1075% The format of the MagickCharcoalImage method is: 1076% 1077% MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1078% const double radius,const double sigma,const double bias) 1079% 1080% A description of each parameter follows: 1081% 1082% o wand: the magick wand. 1083% 1084% o radius: the radius of the Gaussian, in pixels, not counting the center 1085% pixel. 1086% 1087% o sigma: the standard deviation of the Gaussian, in pixels. 1088% 1089% o bias: the bias. 1090% 1091*/ 1092WandExport MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1093 const double radius,const double sigma,const double bias) 1094{ 1095 Image 1096 *charcoal_image; 1097 1098 assert(wand != (MagickWand *) NULL); 1099 assert(wand->signature == WandSignature); 1100 if (wand->debug != MagickFalse) 1101 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1102 if (wand->images == (Image *) NULL) 1103 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1104 charcoal_image=CharcoalImage(wand->images,radius,sigma,bias,wand->exception); 1105 if (charcoal_image == (Image *) NULL) 1106 return(MagickFalse); 1107 ReplaceImageInList(&wand->images,charcoal_image); 1108 return(MagickTrue); 1109} 1110 1111/* 1112%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1113% % 1114% % 1115% % 1116% M a g i c k C h o p I m a g e % 1117% % 1118% % 1119% % 1120%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1121% 1122% MagickChopImage() removes a region of an image and collapses the image to 1123% occupy the removed portion 1124% 1125% The format of the MagickChopImage method is: 1126% 1127% MagickBooleanType MagickChopImage(MagickWand *wand, 1128% const size_t width,const size_t height,const ssize_t x, 1129% const ssize_t y) 1130% 1131% A description of each parameter follows: 1132% 1133% o wand: the magick wand. 1134% 1135% o width: the region width. 1136% 1137% o height: the region height. 1138% 1139% o x: the region x offset. 1140% 1141% o y: the region y offset. 1142% 1143% 1144*/ 1145WandExport MagickBooleanType MagickChopImage(MagickWand *wand, 1146 const size_t width,const size_t height,const ssize_t x, 1147 const ssize_t y) 1148{ 1149 Image 1150 *chop_image; 1151 1152 RectangleInfo 1153 chop; 1154 1155 assert(wand != (MagickWand *) NULL); 1156 assert(wand->signature == WandSignature); 1157 if (wand->debug != MagickFalse) 1158 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1159 if (wand->images == (Image *) NULL) 1160 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1161 chop.width=width; 1162 chop.height=height; 1163 chop.x=x; 1164 chop.y=y; 1165 chop_image=ChopImage(wand->images,&chop,wand->exception); 1166 if (chop_image == (Image *) NULL) 1167 return(MagickFalse); 1168 ReplaceImageInList(&wand->images,chop_image); 1169 return(MagickTrue); 1170} 1171 1172/* 1173%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1174% % 1175% % 1176% % 1177% M a g i c k C l a m p I m a g e % 1178% % 1179% % 1180% % 1181%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1182% 1183% MagickClampImage() restricts the color range from 0 to the quantum depth. 1184% 1185% The format of the MagickClampImage method is: 1186% 1187% MagickBooleanType MagickClampImage(MagickWand *wand) 1188% 1189% A description of each parameter follows: 1190% 1191% o wand: the magick wand. 1192% 1193% o channel: the channel. 1194% 1195*/ 1196WandExport MagickBooleanType MagickClampImage(MagickWand *wand) 1197{ 1198 assert(wand != (MagickWand *) NULL); 1199 assert(wand->signature == WandSignature); 1200 if (wand->debug != MagickFalse) 1201 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1202 if (wand->images == (Image *) NULL) 1203 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1204 return(ClampImage(wand->images,wand->exception)); 1205} 1206 1207/* 1208%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1209% % 1210% % 1211% % 1212% M a g i c k C l i p I m a g e % 1213% % 1214% % 1215% % 1216%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1217% 1218% MagickClipImage() clips along the first path from the 8BIM profile, if 1219% present. 1220% 1221% The format of the MagickClipImage method is: 1222% 1223% MagickBooleanType MagickClipImage(MagickWand *wand) 1224% 1225% A description of each parameter follows: 1226% 1227% o wand: the magick wand. 1228% 1229*/ 1230WandExport MagickBooleanType MagickClipImage(MagickWand *wand) 1231{ 1232 MagickBooleanType 1233 status; 1234 1235 assert(wand != (MagickWand *) NULL); 1236 assert(wand->signature == WandSignature); 1237 if (wand->debug != MagickFalse) 1238 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1239 if (wand->images == (Image *) NULL) 1240 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1241 status=ClipImage(wand->images,wand->exception); 1242 return(status); 1243} 1244 1245/* 1246%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1247% % 1248% % 1249% % 1250% M a g i c k C l i p I m a g e P a t h % 1251% % 1252% % 1253% % 1254%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1255% 1256% MagickClipImagePath() clips along the named paths from the 8BIM profile, if 1257% present. Later operations take effect inside the path. Id may be a number 1258% if preceded with #, to work on a numbered path, e.g., "#1" to use the first 1259% path. 1260% 1261% The format of the MagickClipImagePath method is: 1262% 1263% MagickBooleanType MagickClipImagePath(MagickWand *wand, 1264% const char *pathname,const MagickBooleanType inside) 1265% 1266% A description of each parameter follows: 1267% 1268% o wand: the magick wand. 1269% 1270% o pathname: name of clipping path resource. If name is preceded by #, use 1271% clipping path numbered by name. 1272% 1273% o inside: if non-zero, later operations take effect inside clipping path. 1274% Otherwise later operations take effect outside clipping path. 1275% 1276*/ 1277WandExport MagickBooleanType MagickClipImagePath(MagickWand *wand, 1278 const char *pathname,const MagickBooleanType inside) 1279{ 1280 MagickBooleanType 1281 status; 1282 1283 assert(wand != (MagickWand *) NULL); 1284 assert(wand->signature == WandSignature); 1285 if (wand->debug != MagickFalse) 1286 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1287 if (wand->images == (Image *) NULL) 1288 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1289 status=ClipImagePath(wand->images,pathname,inside,wand->exception); 1290 return(status); 1291} 1292 1293/* 1294%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1295% % 1296% % 1297% % 1298% M a g i c k C l u t I m a g e % 1299% % 1300% % 1301% % 1302%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1303% 1304% MagickClutImage() replaces colors in the image from a color lookup table. 1305% 1306% The format of the MagickClutImage method is: 1307% 1308% MagickBooleanType MagickClutImage(MagickWand *wand, 1309% const MagickWand *clut_wand,const PixelInterpolateMethod method) 1310% 1311% A description of each parameter follows: 1312% 1313% o wand: the magick wand. 1314% 1315% o clut_image: the clut image. 1316% 1317% o method: the pixel interpolation method. 1318% 1319*/ 1320WandExport MagickBooleanType MagickClutImage(MagickWand *wand, 1321 const MagickWand *clut_wand,const PixelInterpolateMethod method) 1322{ 1323 MagickBooleanType 1324 status; 1325 1326 assert(wand != (MagickWand *) NULL); 1327 assert(wand->signature == WandSignature); 1328 if (wand->debug != MagickFalse) 1329 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1330 if ((wand->images == (Image *) NULL) || (clut_wand->images == (Image *) NULL)) 1331 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1332 status=ClutImage(wand->images,clut_wand->images,method,wand->exception); 1333 return(status); 1334} 1335 1336/* 1337%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1338% % 1339% % 1340% % 1341% M a g i c k C o a l e s c e I m a g e s % 1342% % 1343% % 1344% % 1345%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1346% 1347% MagickCoalesceImages() composites a set of images while respecting any page 1348% offsets and disposal methods. GIF, MIFF, and MNG animation sequences 1349% typically start with an image background and each subsequent image 1350% varies in size and offset. MagickCoalesceImages() returns a new sequence 1351% where each image in the sequence is the same size as the first and 1352% composited with the next image in the sequence. 1353% 1354% The format of the MagickCoalesceImages method is: 1355% 1356% MagickWand *MagickCoalesceImages(MagickWand *wand) 1357% 1358% A description of each parameter follows: 1359% 1360% o wand: the magick wand. 1361% 1362*/ 1363WandExport MagickWand *MagickCoalesceImages(MagickWand *wand) 1364{ 1365 Image 1366 *coalesce_image; 1367 1368 assert(wand != (MagickWand *) NULL); 1369 assert(wand->signature == WandSignature); 1370 if (wand->debug != MagickFalse) 1371 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1372 if (wand->images == (Image *) NULL) 1373 return((MagickWand *) NULL); 1374 coalesce_image=CoalesceImages(wand->images,wand->exception); 1375 if (coalesce_image == (Image *) NULL) 1376 return((MagickWand *) NULL); 1377 return(CloneMagickWandFromImages(wand,coalesce_image)); 1378} 1379 1380/* 1381%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1382% % 1383% % 1384% % 1385% M a g i c k C o l o r D e c i s i o n I m a g e % 1386% % 1387% % 1388% % 1389%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1390% 1391% MagickColorDecisionListImage() accepts a lightweight Color Correction 1392% Collection (CCC) file which solely contains one or more color corrections 1393% and applies the color correction to the image. Here is a sample CCC file: 1394% 1395% <ColorCorrectionCollection xmlns="urn:ASC:CDL:v1.2"> 1396% <ColorCorrection id="cc03345"> 1397% <SOPNode> 1398% <Slope> 0.9 1.2 0.5 </Slope> 1399% <Offset> 0.4 -0.5 0.6 </Offset> 1400% <Power> 1.0 0.8 1.5 </Power> 1401% </SOPNode> 1402% <SATNode> 1403% <Saturation> 0.85 </Saturation> 1404% </SATNode> 1405% </ColorCorrection> 1406% </ColorCorrectionCollection> 1407% 1408% which includes the offset, slope, and power for each of the RGB channels 1409% as well as the saturation. 1410% 1411% The format of the MagickColorDecisionListImage method is: 1412% 1413% MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1414% const double gamma) 1415% 1416% A description of each parameter follows: 1417% 1418% o wand: the magick wand. 1419% 1420% o color_correction_collection: the color correction collection in XML. 1421% 1422*/ 1423WandExport MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1424 const char *color_correction_collection) 1425{ 1426 MagickBooleanType 1427 status; 1428 1429 assert(wand != (MagickWand *) NULL); 1430 assert(wand->signature == WandSignature); 1431 if (wand->debug != MagickFalse) 1432 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1433 if (wand->images == (Image *) NULL) 1434 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1435 status=ColorDecisionListImage(wand->images,color_correction_collection, 1436 wand->exception); 1437 return(status); 1438} 1439 1440/* 1441%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1442% % 1443% % 1444% % 1445% M a g i c k C o l o r i z e I m a g e % 1446% % 1447% % 1448% % 1449%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1450% 1451% MagickColorizeImage() blends the fill color with each pixel in the image. 1452% 1453% The format of the MagickColorizeImage method is: 1454% 1455% MagickBooleanType MagickColorizeImage(MagickWand *wand, 1456% const PixelWand *colorize,const PixelWand *blend) 1457% 1458% A description of each parameter follows: 1459% 1460% o wand: the magick wand. 1461% 1462% o colorize: the colorize pixel wand. 1463% 1464% o alpha: the alpha pixel wand. 1465% 1466*/ 1467WandExport MagickBooleanType MagickColorizeImage(MagickWand *wand, 1468 const PixelWand *colorize,const PixelWand *blend) 1469{ 1470 char 1471 percent_blend[MaxTextExtent]; 1472 1473 Image 1474 *colorize_image; 1475 1476 PixelInfo 1477 target; 1478 1479 assert(wand != (MagickWand *) NULL); 1480 assert(wand->signature == WandSignature); 1481 if (wand->debug != MagickFalse) 1482 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1483 if (wand->images == (Image *) NULL) 1484 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1485 GetPixelInfo(wand->images,&target); 1486 if (target.colorspace != CMYKColorspace) 1487 (void) FormatLocaleString(percent_blend,MaxTextExtent, 1488 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 1489 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 1490 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 1491 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 1492 PixelGetAlphaQuantum(blend))); 1493 else 1494 (void) FormatLocaleString(percent_blend,MaxTextExtent, 1495 "%g,%g,%g,%g,%g",(double) (100.0*QuantumScale* 1496 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 1497 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 1498 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 1499 PixelGetBlackQuantum(blend)),(double) (100.0*QuantumScale* 1500 PixelGetAlphaQuantum(blend))); 1501 target=PixelGetPixel(colorize); 1502 colorize_image=ColorizeImage(wand->images,percent_blend,&target, 1503 wand->exception); 1504 if (colorize_image == (Image *) NULL) 1505 return(MagickFalse); 1506 ReplaceImageInList(&wand->images,colorize_image); 1507 return(MagickTrue); 1508} 1509 1510/* 1511%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1512% % 1513% % 1514% % 1515% M a g i c k C o l o r M a t r i x I m a g e % 1516% % 1517% % 1518% % 1519%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1520% 1521% MagickColorMatrixImage() apply color transformation to an image. The method 1522% permits saturation changes, hue rotation, luminance to alpha, and various 1523% other effects. Although variable-sized transformation matrices can be used, 1524% typically one uses a 5x5 matrix for an RGBA image and a 6x6 for CMYKA 1525% (or RGBA with offsets). The matrix is similar to those used by Adobe Flash 1526% except offsets are in column 6 rather than 5 (in support of CMYKA images) 1527% and offsets are normalized (divide Flash offset by 255). 1528% 1529% The format of the MagickColorMatrixImage method is: 1530% 1531% MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1532% const KernelInfo *color_matrix) 1533% 1534% A description of each parameter follows: 1535% 1536% o wand: the magick wand. 1537% 1538% o color_matrix: the color matrix. 1539% 1540*/ 1541WandExport MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1542 const KernelInfo *color_matrix) 1543{ 1544 Image 1545 *color_image; 1546 1547 assert(wand != (MagickWand *) NULL); 1548 assert(wand->signature == WandSignature); 1549 if (wand->debug != MagickFalse) 1550 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1551 if (color_matrix == (const KernelInfo *) NULL) 1552 return(MagickFalse); 1553 if (wand->images == (Image *) NULL) 1554 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1555 color_image=ColorMatrixImage(wand->images,color_matrix,wand->exception); 1556 if (color_image == (Image *) NULL) 1557 return(MagickFalse); 1558 ReplaceImageInList(&wand->images,color_image); 1559 return(MagickTrue); 1560} 1561 1562/* 1563%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1564% % 1565% % 1566% % 1567% M a g i c k C o m b i n e I m a g e s % 1568% % 1569% % 1570% % 1571%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1572% 1573% MagickCombineImages() combines one or more images into a single image. The 1574% grayscale value of the pixels of each image in the sequence is assigned in 1575% order to the specified hannels of the combined image. The typical 1576% ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc. 1577% 1578% The format of the MagickCombineImages method is: 1579% 1580% MagickWand *MagickCombineImages(MagickWand *wand) 1581% 1582% A description of each parameter follows: 1583% 1584% o wand: the magick wand. 1585% 1586*/ 1587WandExport MagickWand *MagickCombineImages(MagickWand *wand) 1588{ 1589 Image 1590 *combine_image; 1591 1592 assert(wand != (MagickWand *) NULL); 1593 assert(wand->signature == WandSignature); 1594 if (wand->debug != MagickFalse) 1595 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1596 if (wand->images == (Image *) NULL) 1597 return((MagickWand *) NULL); 1598 combine_image=CombineImages(wand->images,wand->exception); 1599 if (combine_image == (Image *) NULL) 1600 return((MagickWand *) NULL); 1601 return(CloneMagickWandFromImages(wand,combine_image)); 1602} 1603 1604/* 1605%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1606% % 1607% % 1608% % 1609% M a g i c k C o m m e n t I m a g e % 1610% % 1611% % 1612% % 1613%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1614% 1615% MagickCommentImage() adds a comment to your image. 1616% 1617% The format of the MagickCommentImage method is: 1618% 1619% MagickBooleanType MagickCommentImage(MagickWand *wand, 1620% const char *comment) 1621% 1622% A description of each parameter follows: 1623% 1624% o wand: the magick wand. 1625% 1626% o comment: the image comment. 1627% 1628*/ 1629WandExport MagickBooleanType MagickCommentImage(MagickWand *wand, 1630 const char *comment) 1631{ 1632 MagickBooleanType 1633 status; 1634 1635 assert(wand != (MagickWand *) NULL); 1636 assert(wand->signature == WandSignature); 1637 if (wand->debug != MagickFalse) 1638 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1639 if (wand->images == (Image *) NULL) 1640 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1641 status=SetImageProperty(wand->images,"comment",comment,wand->exception); 1642 return(status); 1643} 1644 1645/* 1646%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1647% % 1648% % 1649% % 1650% M a g i c k C o m p a r e I m a g e L a y e r s % 1651% % 1652% % 1653% % 1654%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1655% 1656% MagickCompareImagesLayers() compares each image with the next in a sequence 1657% and returns the maximum bounding region of any pixel differences it 1658% discovers. 1659% 1660% The format of the MagickCompareImagesLayers method is: 1661% 1662% MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1663% const ImageLayerMethod method) 1664% 1665% A description of each parameter follows: 1666% 1667% o wand: the magick wand. 1668% 1669% o method: the compare method. 1670% 1671*/ 1672WandExport MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1673 const ImageLayerMethod method) 1674{ 1675 Image 1676 *layers_image; 1677 1678 assert(wand != (MagickWand *) NULL); 1679 assert(wand->signature == WandSignature); 1680 if (wand->debug != MagickFalse) 1681 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1682 if (wand->images == (Image *) NULL) 1683 return((MagickWand *) NULL); 1684 layers_image=CompareImagesLayers(wand->images,method,wand->exception); 1685 if (layers_image == (Image *) NULL) 1686 return((MagickWand *) NULL); 1687 return(CloneMagickWandFromImages(wand,layers_image)); 1688} 1689 1690/* 1691%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1692% % 1693% % 1694% % 1695% M a g i c k C o m p a r e I m a g e s % 1696% % 1697% % 1698% % 1699%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1700% 1701% MagickCompareImages() compares an image to a reconstructed image and returns 1702% the specified difference image. 1703% 1704% The format of the MagickCompareImages method is: 1705% 1706% MagickWand *MagickCompareImages(MagickWand *wand, 1707% const MagickWand *reference,const MetricType metric, 1708% double *distortion) 1709% 1710% A description of each parameter follows: 1711% 1712% o wand: the magick wand. 1713% 1714% o reference: the reference wand. 1715% 1716% o metric: the metric. 1717% 1718% o distortion: the computed distortion between the images. 1719% 1720*/ 1721WandExport MagickWand *MagickCompareImages(MagickWand *wand, 1722 const MagickWand *reference,const MetricType metric,double *distortion) 1723{ 1724 Image 1725 *compare_image; 1726 1727 1728 assert(wand != (MagickWand *) NULL); 1729 assert(wand->signature == WandSignature); 1730 if (wand->debug != MagickFalse) 1731 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1732 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 1733 { 1734 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 1735 "ContainsNoImages","`%s'",wand->name); 1736 return((MagickWand *) NULL); 1737 } 1738 compare_image=CompareImages(wand->images,reference->images,metric,distortion, 1739 wand->exception); 1740 if (compare_image == (Image *) NULL) 1741 return((MagickWand *) NULL); 1742 return(CloneMagickWandFromImages(wand,compare_image)); 1743} 1744 1745/* 1746%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1747% % 1748% % 1749% % 1750% M a g i c k C o m p o s i t e I m a g e % 1751% % 1752% % 1753% % 1754%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1755% 1756% MagickCompositeImage() composite one image onto another at the specified 1757% offset. 1758% 1759% The format of the MagickCompositeImage method is: 1760% 1761% MagickBooleanType MagickCompositeImage(MagickWand *wand, 1762% const MagickWand *composite_wand,const CompositeOperator compose, 1763% const ssize_t x,const ssize_t y) 1764% 1765% A description of each parameter follows: 1766% 1767% o wand: the magick wand. 1768% 1769% o composite_image: the composite image. 1770% 1771% o compose: This operator affects how the composite is applied to the 1772% image. The default is Over. Choose from these operators: 1773% 1774% OverCompositeOp InCompositeOp OutCompositeOp 1775% AtopCompositeOp XorCompositeOp PlusCompositeOp 1776% MinusCompositeOp AddCompositeOp SubtractCompositeOp 1777% DifferenceCompositeOp BumpmapCompositeOp CopyCompositeOp 1778% DisplaceCompositeOp 1779% 1780% o x: the column offset of the composited image. 1781% 1782% o y: the row offset of the composited image. 1783% 1784*/ 1785WandExport MagickBooleanType MagickCompositeImage(MagickWand *wand, 1786 const MagickWand *composite_wand,const CompositeOperator compose, 1787 const ssize_t x,const ssize_t y) 1788{ 1789 MagickBooleanType 1790 status; 1791 1792 assert(wand != (MagickWand *) NULL); 1793 assert(wand->signature == WandSignature); 1794 if (wand->debug != MagickFalse) 1795 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1796 if ((wand->images == (Image *) NULL) || 1797 (composite_wand->images == (Image *) NULL)) 1798 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1799 status=CompositeImage(wand->images,compose,composite_wand->images,x,y, 1800 wand->exception); 1801 return(status); 1802} 1803 1804/* 1805%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1806% % 1807% % 1808% % 1809% M a g i c k C o n t r a s t I m a g e % 1810% % 1811% % 1812% % 1813%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1814% 1815% MagickContrastImage() enhances the intensity differences between the lighter 1816% and darker elements of the image. Set sharpen to a value other than 0 to 1817% increase the image contrast otherwise the contrast is reduced. 1818% 1819% The format of the MagickContrastImage method is: 1820% 1821% MagickBooleanType MagickContrastImage(MagickWand *wand, 1822% const MagickBooleanType sharpen) 1823% 1824% A description of each parameter follows: 1825% 1826% o wand: the magick wand. 1827% 1828% o sharpen: Increase or decrease image contrast. 1829% 1830% 1831*/ 1832WandExport MagickBooleanType MagickContrastImage(MagickWand *wand, 1833 const MagickBooleanType sharpen) 1834{ 1835 MagickBooleanType 1836 status; 1837 1838 assert(wand != (MagickWand *) NULL); 1839 assert(wand->signature == WandSignature); 1840 if (wand->debug != MagickFalse) 1841 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1842 if (wand->images == (Image *) NULL) 1843 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1844 status=ContrastImage(wand->images,sharpen,wand->exception); 1845 return(status); 1846} 1847 1848/* 1849%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1850% % 1851% % 1852% % 1853% 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 % 1854% % 1855% % 1856% % 1857%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1858% 1859% MagickContrastStretchImage() enhances the contrast of a color image by 1860% adjusting the pixels color to span the entire range of colors available. 1861% You can also reduce the influence of a particular channel with a gamma 1862% value of 0. 1863% 1864% The format of the MagickContrastStretchImage method is: 1865% 1866% MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 1867% const double black_point,const double white_point) 1868% 1869% A description of each parameter follows: 1870% 1871% o wand: the magick wand. 1872% 1873% o black_point: the black point. 1874% 1875% o white_point: the white point. 1876% 1877*/ 1878WandExport MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 1879 const double black_point,const double white_point) 1880{ 1881 MagickBooleanType 1882 status; 1883 1884 assert(wand != (MagickWand *) NULL); 1885 assert(wand->signature == WandSignature); 1886 if (wand->debug != MagickFalse) 1887 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1888 if (wand->images == (Image *) NULL) 1889 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1890 status=ContrastStretchImage(wand->images,black_point,white_point, 1891 wand->exception); 1892 return(status); 1893} 1894 1895/* 1896%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1897% % 1898% % 1899% % 1900% M a g i c k C o n v o l v e I m a g e % 1901% % 1902% % 1903% % 1904%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1905% 1906% MagickConvolveImage() applies a custom convolution kernel to the image. 1907% 1908% The format of the MagickConvolveImage method is: 1909% 1910% MagickBooleanType MagickConvolveImage(MagickWand *wand, 1911% const KernelInfo *kernel) 1912% 1913% A description of each parameter follows: 1914% 1915% o wand: the magick wand. 1916% 1917% o kernel: An array of doubles representing the convolution kernel. 1918% 1919*/ 1920WandExport MagickBooleanType MagickConvolveImage(MagickWand *wand, 1921 const KernelInfo *kernel) 1922{ 1923 Image 1924 *filter_image; 1925 1926 assert(wand != (MagickWand *) NULL); 1927 assert(wand->signature == WandSignature); 1928 if (wand->debug != MagickFalse) 1929 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1930 if (kernel == (const KernelInfo *) NULL) 1931 return(MagickFalse); 1932 if (wand->images == (Image *) NULL) 1933 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1934 filter_image=ConvolveImage(wand->images,kernel,wand->exception); 1935 if (filter_image == (Image *) NULL) 1936 return(MagickFalse); 1937 ReplaceImageInList(&wand->images,filter_image); 1938 return(MagickTrue); 1939} 1940 1941/* 1942%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1943% % 1944% % 1945% % 1946% M a g i c k C r o p I m a g e % 1947% % 1948% % 1949% % 1950%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1951% 1952% MagickCropImage() extracts a region of the image. 1953% 1954% The format of the MagickCropImage method is: 1955% 1956% MagickBooleanType MagickCropImage(MagickWand *wand, 1957% const size_t width,const size_t height,const ssize_t x,const ssize_t y) 1958% 1959% A description of each parameter follows: 1960% 1961% o wand: the magick wand. 1962% 1963% o width: the region width. 1964% 1965% o height: the region height. 1966% 1967% o x: the region x-offset. 1968% 1969% o y: the region y-offset. 1970% 1971*/ 1972WandExport MagickBooleanType MagickCropImage(MagickWand *wand, 1973 const size_t width,const size_t height,const ssize_t x,const ssize_t y) 1974{ 1975 Image 1976 *crop_image; 1977 1978 RectangleInfo 1979 crop; 1980 1981 assert(wand != (MagickWand *) NULL); 1982 assert(wand->signature == WandSignature); 1983 if (wand->debug != MagickFalse) 1984 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1985 if (wand->images == (Image *) NULL) 1986 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1987 crop.width=width; 1988 crop.height=height; 1989 crop.x=x; 1990 crop.y=y; 1991 crop_image=CropImage(wand->images,&crop,wand->exception); 1992 if (crop_image == (Image *) NULL) 1993 return(MagickFalse); 1994 ReplaceImageInList(&wand->images,crop_image); 1995 return(MagickTrue); 1996} 1997 1998/* 1999%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2000% % 2001% % 2002% % 2003% M a g i c k C y c l e C o l o r m a p I m a g e % 2004% % 2005% % 2006% % 2007%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2008% 2009% MagickCycleColormapImage() displaces an image's colormap by a given number 2010% of positions. If you cycle the colormap a number of times you can produce 2011% a psychodelic effect. 2012% 2013% The format of the MagickCycleColormapImage method is: 2014% 2015% MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 2016% const ssize_t displace) 2017% 2018% A description of each parameter follows: 2019% 2020% o wand: the magick wand. 2021% 2022% o pixel_wand: the pixel wand. 2023% 2024*/ 2025WandExport MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 2026 const ssize_t displace) 2027{ 2028 MagickBooleanType 2029 status; 2030 2031 assert(wand != (MagickWand *) NULL); 2032 assert(wand->signature == WandSignature); 2033 if (wand->debug != MagickFalse) 2034 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2035 if (wand->images == (Image *) NULL) 2036 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2037 status=CycleColormapImage(wand->images,displace,wand->exception); 2038 return(status); 2039} 2040 2041/* 2042%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2043% % 2044% % 2045% % 2046% M a g i c k C o n s t i t u t e I m a g e % 2047% % 2048% % 2049% % 2050%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2051% 2052% MagickConstituteImage() adds an image to the wand comprised of the pixel 2053% data you supply. The pixel data must be in scanline order top-to-bottom. 2054% The data can be char, short int, int, float, or double. Float and double 2055% require the pixels to be normalized [0..1], otherwise [0..Max], where Max 2056% is the maximum value the type can accomodate (e.g. 255 for char). For 2057% example, to create a 640x480 image from unsigned red-green-blue character 2058% data, use 2059% 2060% MagickConstituteImage(wand,640,640,"RGB",CharPixel,pixels); 2061% 2062% The format of the MagickConstituteImage method is: 2063% 2064% MagickBooleanType MagickConstituteImage(MagickWand *wand, 2065% const size_t columns,const size_t rows,const char *map, 2066% const StorageType storage,void *pixels) 2067% 2068% A description of each parameter follows: 2069% 2070% o wand: the magick wand. 2071% 2072% o columns: width in pixels of the image. 2073% 2074% o rows: height in pixels of the image. 2075% 2076% o map: This string reflects the expected ordering of the pixel array. 2077% It can be any combination or order of R = red, G = green, B = blue, 2078% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 2079% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 2080% P = pad. 2081% 2082% o storage: Define the data type of the pixels. Float and double types are 2083% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 2084% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 2085% LongPixel, QuantumPixel, or ShortPixel. 2086% 2087% o pixels: This array of values contain the pixel components as defined by 2088% map and type. You must preallocate this array where the expected 2089% length varies depending on the values of width, height, map, and type. 2090% 2091% 2092*/ 2093WandExport MagickBooleanType MagickConstituteImage(MagickWand *wand, 2094 const size_t columns,const size_t rows,const char *map, 2095 const StorageType storage,const void *pixels) 2096{ 2097 Image 2098 *images; 2099 2100 assert(wand != (MagickWand *) NULL); 2101 assert(wand->signature == WandSignature); 2102 if (wand->debug != MagickFalse) 2103 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2104 images=ConstituteImage(columns,rows,map,storage,pixels,wand->exception); 2105 if (images == (Image *) NULL) 2106 return(MagickFalse); 2107 return(InsertImageInWand(wand,images)); 2108} 2109 2110/* 2111%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2112% % 2113% % 2114% % 2115% M a g i c k D e c i p h e r I m a g e % 2116% % 2117% % 2118% % 2119%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2120% 2121% MagickDecipherImage() converts cipher pixels to plain pixels. 2122% 2123% The format of the MagickDecipherImage method is: 2124% 2125% MagickBooleanType MagickDecipherImage(MagickWand *wand, 2126% const char *passphrase) 2127% 2128% A description of each parameter follows: 2129% 2130% o wand: the magick wand. 2131% 2132% o passphrase: the passphrase. 2133% 2134*/ 2135WandExport MagickBooleanType MagickDecipherImage(MagickWand *wand, 2136 const char *passphrase) 2137{ 2138 assert(wand != (MagickWand *) NULL); 2139 assert(wand->signature == WandSignature); 2140 if (wand->debug != MagickFalse) 2141 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2142 if (wand->images == (Image *) NULL) 2143 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2144 return(DecipherImage(wand->images,passphrase,wand->exception)); 2145} 2146 2147/* 2148%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2149% % 2150% % 2151% % 2152% M a g i c k D e c o n s t r u c t I m a g e s % 2153% % 2154% % 2155% % 2156%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2157% 2158% MagickDeconstructImages() compares each image with the next in a sequence 2159% and returns the maximum bounding region of any pixel differences it 2160% discovers. 2161% 2162% The format of the MagickDeconstructImages method is: 2163% 2164% MagickWand *MagickDeconstructImages(MagickWand *wand) 2165% 2166% A description of each parameter follows: 2167% 2168% o wand: the magick wand. 2169% 2170*/ 2171WandExport MagickWand *MagickDeconstructImages(MagickWand *wand) 2172{ 2173 Image 2174 *deconstruct_image; 2175 2176 assert(wand != (MagickWand *) NULL); 2177 assert(wand->signature == WandSignature); 2178 if (wand->debug != MagickFalse) 2179 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2180 if (wand->images == (Image *) NULL) 2181 return((MagickWand *) NULL); 2182 deconstruct_image=CompareImagesLayers(wand->images,CompareAnyLayer, 2183 wand->exception); 2184 if (deconstruct_image == (Image *) NULL) 2185 return((MagickWand *) NULL); 2186 return(CloneMagickWandFromImages(wand,deconstruct_image)); 2187} 2188 2189/* 2190%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2191% % 2192% % 2193% % 2194% M a g i c k D e s k e w I m a g e % 2195% % 2196% % 2197% % 2198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2199% 2200% MagickDeskewImage() removes skew from the image. Skew is an artifact that 2201% occurs in scanned images because of the camera being misaligned, 2202% imperfections in the scanning or surface, or simply because the paper was 2203% not placed completely flat when scanned. 2204% 2205% The format of the MagickDeskewImage method is: 2206% 2207% MagickBooleanType MagickDeskewImage(MagickWand *wand, 2208% const double threshold) 2209% 2210% A description of each parameter follows: 2211% 2212% o wand: the magick wand. 2213% 2214% o threshold: separate background from foreground. 2215% 2216*/ 2217WandExport MagickBooleanType MagickDeskewImage(MagickWand *wand, 2218 const double threshold) 2219{ 2220 Image 2221 *sepia_image; 2222 2223 assert(wand != (MagickWand *) NULL); 2224 assert(wand->signature == WandSignature); 2225 if (wand->debug != MagickFalse) 2226 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2227 if (wand->images == (Image *) NULL) 2228 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2229 sepia_image=DeskewImage(wand->images,threshold,wand->exception); 2230 if (sepia_image == (Image *) NULL) 2231 return(MagickFalse); 2232 ReplaceImageInList(&wand->images,sepia_image); 2233 return(MagickTrue); 2234} 2235 2236/* 2237%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2238% % 2239% % 2240% % 2241% M a g i c k D e s p e c k l e I m a g e % 2242% % 2243% % 2244% % 2245%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2246% 2247% MagickDespeckleImage() reduces the speckle noise in an image while 2248% perserving the edges of the original image. 2249% 2250% The format of the MagickDespeckleImage method is: 2251% 2252% MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2253% 2254% A description of each parameter follows: 2255% 2256% o wand: the magick wand. 2257% 2258*/ 2259WandExport MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2260{ 2261 Image 2262 *despeckle_image; 2263 2264 assert(wand != (MagickWand *) NULL); 2265 assert(wand->signature == WandSignature); 2266 if (wand->debug != MagickFalse) 2267 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2268 if (wand->images == (Image *) NULL) 2269 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2270 despeckle_image=DespeckleImage(wand->images,wand->exception); 2271 if (despeckle_image == (Image *) NULL) 2272 return(MagickFalse); 2273 ReplaceImageInList(&wand->images,despeckle_image); 2274 return(MagickTrue); 2275} 2276 2277/* 2278%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2279% % 2280% % 2281% % 2282% M a g i c k D e s t r o y I m a g e % 2283% % 2284% % 2285% % 2286%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2287% 2288% MagickDestroyImage() dereferences an image, deallocating memory associated 2289% with the image if the reference count becomes zero. 2290% 2291% The format of the MagickDestroyImage method is: 2292% 2293% Image *MagickDestroyImage(Image *image) 2294% 2295% A description of each parameter follows: 2296% 2297% o image: the image. 2298% 2299*/ 2300WandExport Image *MagickDestroyImage(Image *image) 2301{ 2302 return(DestroyImage(image)); 2303} 2304 2305/* 2306%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2307% % 2308% % 2309% % 2310% M a g i c k D i s p l a y I m a g e % 2311% % 2312% % 2313% % 2314%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2315% 2316% MagickDisplayImage() displays an image. 2317% 2318% The format of the MagickDisplayImage method is: 2319% 2320% MagickBooleanType MagickDisplayImage(MagickWand *wand, 2321% const char *server_name) 2322% 2323% A description of each parameter follows: 2324% 2325% o wand: the magick wand. 2326% 2327% o server_name: the X server name. 2328% 2329*/ 2330WandExport MagickBooleanType MagickDisplayImage(MagickWand *wand, 2331 const char *server_name) 2332{ 2333 Image 2334 *image; 2335 2336 MagickBooleanType 2337 status; 2338 2339 assert(wand != (MagickWand *) NULL); 2340 assert(wand->signature == WandSignature); 2341 if (wand->debug != MagickFalse) 2342 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2343 if (wand->images == (Image *) NULL) 2344 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2345 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 2346 if (image == (Image *) NULL) 2347 return(MagickFalse); 2348 (void) CloneString(&wand->image_info->server_name,server_name); 2349 status=DisplayImages(wand->image_info,image,wand->exception); 2350 image=DestroyImage(image); 2351 return(status); 2352} 2353 2354/* 2355%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2356% % 2357% % 2358% % 2359% M a g i c k D i s p l a y I m a g e s % 2360% % 2361% % 2362% % 2363%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2364% 2365% MagickDisplayImages() displays an image or image sequence. 2366% 2367% The format of the MagickDisplayImages method is: 2368% 2369% MagickBooleanType MagickDisplayImages(MagickWand *wand, 2370% const char *server_name) 2371% 2372% A description of each parameter follows: 2373% 2374% o wand: the magick wand. 2375% 2376% o server_name: the X server name. 2377% 2378*/ 2379WandExport MagickBooleanType MagickDisplayImages(MagickWand *wand, 2380 const char *server_name) 2381{ 2382 MagickBooleanType 2383 status; 2384 2385 assert(wand != (MagickWand *) NULL); 2386 assert(wand->signature == WandSignature); 2387 if (wand->debug != MagickFalse) 2388 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2389 (void) CloneString(&wand->image_info->server_name,server_name); 2390 status=DisplayImages(wand->image_info,wand->images,wand->exception); 2391 return(status); 2392} 2393 2394/* 2395%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2396% % 2397% % 2398% % 2399% M a g i c k D i s t o r t I m a g e % 2400% % 2401% % 2402% % 2403%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2404% 2405% MagickDistortImage() distorts an image using various distortion methods, by 2406% mapping color lookups of the source image to a new destination image 2407% usally of the same size as the source image, unless 'bestfit' is set to 2408% true. 2409% 2410% If 'bestfit' is enabled, and distortion allows it, the destination image is 2411% adjusted to ensure the whole source 'image' will just fit within the final 2412% destination image, which will be sized and offset accordingly. Also in 2413% many cases the virtual offset of the source image will be taken into 2414% account in the mapping. 2415% 2416% The format of the MagickDistortImage method is: 2417% 2418% MagickBooleanType MagickDistortImage(MagickWand *wand, 2419% const DistortImageMethod method,const size_t number_arguments, 2420% const double *arguments,const MagickBooleanType bestfit) 2421% 2422% A description of each parameter follows: 2423% 2424% o image: the image to be distorted. 2425% 2426% o method: the method of image distortion. 2427% 2428% ArcDistortion always ignores the source image offset, and always 2429% 'bestfit' the destination image with the top left corner offset 2430% relative to the polar mapping center. 2431% 2432% Bilinear has no simple inverse mapping so it does not allow 'bestfit' 2433% style of image distortion. 2434% 2435% Affine, Perspective, and Bilinear, do least squares fitting of the 2436% distortion when more than the minimum number of control point pairs 2437% are provided. 2438% 2439% Perspective, and Bilinear, falls back to a Affine distortion when less 2440% that 4 control point pairs are provided. While Affine distortions let 2441% you use any number of control point pairs, that is Zero pairs is a 2442% no-Op (viewport only) distrotion, one pair is a translation and two 2443% pairs of control points do a scale-rotate-translate, without any 2444% shearing. 2445% 2446% o number_arguments: the number of arguments given for this distortion 2447% method. 2448% 2449% o arguments: the arguments for this distortion method. 2450% 2451% o bestfit: Attempt to resize destination to fit distorted source. 2452% 2453*/ 2454WandExport MagickBooleanType MagickDistortImage(MagickWand *wand, 2455 const DistortImageMethod method,const size_t number_arguments, 2456 const double *arguments,const MagickBooleanType bestfit) 2457{ 2458 Image 2459 *distort_image; 2460 2461 assert(wand != (MagickWand *) NULL); 2462 assert(wand->signature == WandSignature); 2463 if (wand->debug != MagickFalse) 2464 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2465 if (wand->images == (Image *) NULL) 2466 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2467 distort_image=DistortImage(wand->images,method,number_arguments,arguments, 2468 bestfit,wand->exception); 2469 if (distort_image == (Image *) NULL) 2470 return(MagickFalse); 2471 ReplaceImageInList(&wand->images,distort_image); 2472 return(MagickTrue); 2473} 2474 2475/* 2476%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2477% % 2478% % 2479% % 2480% M a g i c k D r a w I m a g e % 2481% % 2482% % 2483% % 2484%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2485% 2486% MagickDrawImage() renders the drawing wand on the current image. 2487% 2488% The format of the MagickDrawImage method is: 2489% 2490% MagickBooleanType MagickDrawImage(MagickWand *wand, 2491% const DrawingWand *drawing_wand) 2492% 2493% A description of each parameter follows: 2494% 2495% o wand: the magick wand. 2496% 2497% o drawing_wand: the draw wand. 2498% 2499*/ 2500WandExport MagickBooleanType MagickDrawImage(MagickWand *wand, 2501 const DrawingWand *drawing_wand) 2502{ 2503 char 2504 *primitive; 2505 2506 DrawInfo 2507 *draw_info; 2508 2509 MagickBooleanType 2510 status; 2511 2512 assert(wand != (MagickWand *) NULL); 2513 assert(wand->signature == WandSignature); 2514 if (wand->debug != MagickFalse) 2515 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2516 if (wand->images == (Image *) NULL) 2517 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2518 draw_info=PeekDrawingWand(drawing_wand); 2519 if ((draw_info == (DrawInfo *) NULL) || 2520 (draw_info->primitive == (char *) NULL)) 2521 return(MagickFalse); 2522 primitive=AcquireString(draw_info->primitive); 2523 draw_info=DestroyDrawInfo(draw_info); 2524 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 2525 draw_info->primitive=primitive; 2526 status=DrawImage(wand->images,draw_info,wand->exception); 2527 draw_info=DestroyDrawInfo(draw_info); 2528 return(status); 2529} 2530 2531/* 2532%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2533% % 2534% % 2535% % 2536% M a g i c k E d g e I m a g e % 2537% % 2538% % 2539% % 2540%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2541% 2542% MagickEdgeImage() enhance edges within the image with a convolution filter 2543% of the given radius. Use a radius of 0 and Edge() selects a suitable 2544% radius for you. 2545% 2546% The format of the MagickEdgeImage method is: 2547% 2548% MagickBooleanType MagickEdgeImage(MagickWand *wand,const double radius, 2549% const double sigma) 2550% 2551% A description of each parameter follows: 2552% 2553% o wand: the magick wand. 2554% 2555% o radius: the radius of the pixel neighborhood. 2556% 2557% o sigma: the standard deviation of the Gaussian, in pixels. 2558% 2559*/ 2560WandExport MagickBooleanType MagickEdgeImage(MagickWand *wand, 2561 const double radius,const double sigma) 2562{ 2563 Image 2564 *edge_image; 2565 2566 assert(wand != (MagickWand *) NULL); 2567 assert(wand->signature == WandSignature); 2568 if (wand->debug != MagickFalse) 2569 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2570 if (wand->images == (Image *) NULL) 2571 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2572 edge_image=EdgeImage(wand->images,radius,sigma,wand->exception); 2573 if (edge_image == (Image *) NULL) 2574 return(MagickFalse); 2575 ReplaceImageInList(&wand->images,edge_image); 2576 return(MagickTrue); 2577} 2578 2579/* 2580%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2581% % 2582% % 2583% % 2584% M a g i c k E m b o s s I m a g e % 2585% % 2586% % 2587% % 2588%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2589% 2590% MagickEmbossImage() returns a grayscale image with a three-dimensional 2591% effect. We convolve the image with a Gaussian operator of the given radius 2592% and standard deviation (sigma). For reasonable results, radius should be 2593% larger than sigma. Use a radius of 0 and Emboss() selects a suitable 2594% radius for you. 2595% 2596% The format of the MagickEmbossImage method is: 2597% 2598% MagickBooleanType MagickEmbossImage(MagickWand *wand,const double radius, 2599% const double sigma) 2600% 2601% A description of each parameter follows: 2602% 2603% o wand: the magick wand. 2604% 2605% o radius: the radius of the Gaussian, in pixels, not counting the center 2606% pixel. 2607% 2608% o sigma: the standard deviation of the Gaussian, in pixels. 2609% 2610*/ 2611WandExport MagickBooleanType MagickEmbossImage(MagickWand *wand, 2612 const double radius,const double sigma) 2613{ 2614 Image 2615 *emboss_image; 2616 2617 assert(wand != (MagickWand *) NULL); 2618 assert(wand->signature == WandSignature); 2619 if (wand->debug != MagickFalse) 2620 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2621 if (wand->images == (Image *) NULL) 2622 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2623 emboss_image=EmbossImage(wand->images,radius,sigma,wand->exception); 2624 if (emboss_image == (Image *) NULL) 2625 return(MagickFalse); 2626 ReplaceImageInList(&wand->images,emboss_image); 2627 return(MagickTrue); 2628} 2629 2630/* 2631%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2632% % 2633% % 2634% % 2635% M a g i c k E n c i p h e r I m a g e % 2636% % 2637% % 2638% % 2639%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2640% 2641% MagickEncipherImage() converts plaint pixels to cipher pixels. 2642% 2643% The format of the MagickEncipherImage method is: 2644% 2645% MagickBooleanType MagickEncipherImage(MagickWand *wand, 2646% const char *passphrase) 2647% 2648% A description of each parameter follows: 2649% 2650% o wand: the magick wand. 2651% 2652% o passphrase: the passphrase. 2653% 2654*/ 2655WandExport MagickBooleanType MagickEncipherImage(MagickWand *wand, 2656 const char *passphrase) 2657{ 2658 assert(wand != (MagickWand *) NULL); 2659 assert(wand->signature == WandSignature); 2660 if (wand->debug != MagickFalse) 2661 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2662 if (wand->images == (Image *) NULL) 2663 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2664 return(EncipherImage(wand->images,passphrase,wand->exception)); 2665} 2666 2667/* 2668%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2669% % 2670% % 2671% % 2672% M a g i c k E n h a n c e I m a g e % 2673% % 2674% % 2675% % 2676%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2677% 2678% MagickEnhanceImage() applies a digital filter that improves the quality of a 2679% noisy image. 2680% 2681% The format of the MagickEnhanceImage method is: 2682% 2683% MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2684% 2685% A description of each parameter follows: 2686% 2687% o wand: the magick wand. 2688% 2689*/ 2690WandExport MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2691{ 2692 Image 2693 *enhance_image; 2694 2695 assert(wand != (MagickWand *) NULL); 2696 assert(wand->signature == WandSignature); 2697 if (wand->debug != MagickFalse) 2698 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2699 if (wand->images == (Image *) NULL) 2700 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2701 enhance_image=EnhanceImage(wand->images,wand->exception); 2702 if (enhance_image == (Image *) NULL) 2703 return(MagickFalse); 2704 ReplaceImageInList(&wand->images,enhance_image); 2705 return(MagickTrue); 2706} 2707 2708/* 2709%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2710% % 2711% % 2712% % 2713% M a g i c k E q u a l i z e I m a g e % 2714% % 2715% % 2716% % 2717%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2718% 2719% MagickEqualizeImage() equalizes the image histogram. 2720% 2721% The format of the MagickEqualizeImage method is: 2722% 2723% MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2724% 2725% A description of each parameter follows: 2726% 2727% o wand: the magick wand. 2728% 2729% o channel: the image channel(s). 2730% 2731*/ 2732WandExport MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2733{ 2734 MagickBooleanType 2735 status; 2736 2737 assert(wand != (MagickWand *) NULL); 2738 assert(wand->signature == WandSignature); 2739 if (wand->debug != MagickFalse) 2740 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2741 if (wand->images == (Image *) NULL) 2742 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2743 status=EqualizeImage(wand->images,wand->exception); 2744 return(status); 2745} 2746 2747/* 2748%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2749% % 2750% % 2751% % 2752% M a g i c k E v a l u a t e I m a g e % 2753% % 2754% % 2755% % 2756%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2757% 2758% MagickEvaluateImage() applys an arithmetic, relational, or logical 2759% expression to an image. Use these operators to lighten or darken an image, 2760% to increase or decrease contrast in an image, or to produce the "negative" 2761% of an image. 2762% 2763% The format of the MagickEvaluateImage method is: 2764% 2765% MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2766% const MagickEvaluateOperator operator,const double value) 2767% MagickBooleanType MagickEvaluateImages(MagickWand *wand, 2768% const MagickEvaluateOperator operator) 2769% 2770% A description of each parameter follows: 2771% 2772% o wand: the magick wand. 2773% 2774% o op: A channel operator. 2775% 2776% o value: A value value. 2777% 2778*/ 2779 2780WandExport MagickWand *MagickEvaluateImages(MagickWand *wand, 2781 const MagickEvaluateOperator op) 2782{ 2783 Image 2784 *evaluate_image; 2785 2786 assert(wand != (MagickWand *) NULL); 2787 assert(wand->signature == WandSignature); 2788 if (wand->debug != MagickFalse) 2789 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2790 if (wand->images == (Image *) NULL) 2791 return((MagickWand *) NULL); 2792 evaluate_image=EvaluateImages(wand->images,op,wand->exception); 2793 if (evaluate_image == (Image *) NULL) 2794 return((MagickWand *) NULL); 2795 return(CloneMagickWandFromImages(wand,evaluate_image)); 2796} 2797 2798WandExport MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2799 const MagickEvaluateOperator op,const double value) 2800{ 2801 MagickBooleanType 2802 status; 2803 2804 assert(wand != (MagickWand *) NULL); 2805 assert(wand->signature == WandSignature); 2806 if (wand->debug != MagickFalse) 2807 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2808 if (wand->images == (Image *) NULL) 2809 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2810 status=EvaluateImage(wand->images,op,value,wand->exception); 2811 return(status); 2812} 2813 2814/* 2815%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2816% % 2817% % 2818% % 2819% M a g i c k E x p o r t I m a g e P i x e l s % 2820% % 2821% % 2822% % 2823%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2824% 2825% MagickExportImagePixels() extracts pixel data from an image and returns it 2826% to you. The method returns MagickTrue on success otherwise MagickFalse if 2827% an error is encountered. The data is returned as char, short int, int, 2828% ssize_t, float, or double in the order specified by map. 2829% 2830% Suppose you want to extract the first scanline of a 640x480 image as 2831% character data in red-green-blue order: 2832% 2833% MagickExportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 2834% 2835% The format of the MagickExportImagePixels method is: 2836% 2837% MagickBooleanType MagickExportImagePixels(MagickWand *wand, 2838% const ssize_t x,const ssize_t y,const size_t columns, 2839% const size_t rows,const char *map,const StorageType storage, 2840% void *pixels) 2841% 2842% A description of each parameter follows: 2843% 2844% o wand: the magick wand. 2845% 2846% o x, y, columns, rows: These values define the perimeter 2847% of a region of pixels you want to extract. 2848% 2849% o map: This string reflects the expected ordering of the pixel array. 2850% It can be any combination or order of R = red, G = green, B = blue, 2851% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 2852% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 2853% P = pad. 2854% 2855% o storage: Define the data type of the pixels. Float and double types are 2856% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 2857% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 2858% LongPixel, QuantumPixel, or ShortPixel. 2859% 2860% o pixels: This array of values contain the pixel components as defined by 2861% map and type. You must preallocate this array where the expected 2862% length varies depending on the values of width, height, map, and type. 2863% 2864*/ 2865WandExport MagickBooleanType MagickExportImagePixels(MagickWand *wand, 2866 const ssize_t x,const ssize_t y,const size_t columns, 2867 const size_t rows,const char *map,const StorageType storage, 2868 void *pixels) 2869{ 2870 MagickBooleanType 2871 status; 2872 2873 assert(wand != (MagickWand *) NULL); 2874 assert(wand->signature == WandSignature); 2875 if (wand->debug != MagickFalse) 2876 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2877 if (wand->images == (Image *) NULL) 2878 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2879 status=ExportImagePixels(wand->images,x,y,columns,rows,map, 2880 storage,pixels,wand->exception); 2881 return(status); 2882} 2883 2884/* 2885%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2886% % 2887% % 2888% % 2889% M a g i c k E x t e n t I m a g e % 2890% % 2891% % 2892% % 2893%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2894% 2895% MagickExtentImage() extends the image as defined by the geometry, gravity, 2896% and wand background color. Set the (x,y) offset of the geometry to move 2897% the original wand relative to the extended wand. 2898% 2899% The format of the MagickExtentImage method is: 2900% 2901% MagickBooleanType MagickExtentImage(MagickWand *wand, 2902% const size_t width,const size_t height,const ssize_t x, 2903% const ssize_t y) 2904% 2905% A description of each parameter follows: 2906% 2907% o wand: the magick wand. 2908% 2909% o width: the region width. 2910% 2911% o height: the region height. 2912% 2913% o x: the region x offset. 2914% 2915% o y: the region y offset. 2916% 2917*/ 2918WandExport MagickBooleanType MagickExtentImage(MagickWand *wand, 2919 const size_t width,const size_t height,const ssize_t x, 2920 const ssize_t y) 2921{ 2922 Image 2923 *extent_image; 2924 2925 RectangleInfo 2926 extent; 2927 2928 assert(wand != (MagickWand *) NULL); 2929 assert(wand->signature == WandSignature); 2930 if (wand->debug != MagickFalse) 2931 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2932 if (wand->images == (Image *) NULL) 2933 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2934 extent.width=width; 2935 extent.height=height; 2936 extent.x=x; 2937 extent.y=y; 2938 extent_image=ExtentImage(wand->images,&extent,wand->exception); 2939 if (extent_image == (Image *) NULL) 2940 return(MagickFalse); 2941 ReplaceImageInList(&wand->images,extent_image); 2942 return(MagickTrue); 2943} 2944 2945/* 2946%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2947% % 2948% % 2949% % 2950% M a g i c k F l i p I m a g e % 2951% % 2952% % 2953% % 2954%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2955% 2956% MagickFlipImage() creates a vertical mirror image by reflecting the pixels 2957% around the central x-axis. 2958% 2959% The format of the MagickFlipImage method is: 2960% 2961% MagickBooleanType MagickFlipImage(MagickWand *wand) 2962% 2963% A description of each parameter follows: 2964% 2965% o wand: the magick wand. 2966% 2967*/ 2968WandExport MagickBooleanType MagickFlipImage(MagickWand *wand) 2969{ 2970 Image 2971 *flip_image; 2972 2973 assert(wand != (MagickWand *) NULL); 2974 assert(wand->signature == WandSignature); 2975 if (wand->debug != MagickFalse) 2976 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2977 if (wand->images == (Image *) NULL) 2978 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2979 flip_image=FlipImage(wand->images,wand->exception); 2980 if (flip_image == (Image *) NULL) 2981 return(MagickFalse); 2982 ReplaceImageInList(&wand->images,flip_image); 2983 return(MagickTrue); 2984} 2985 2986/* 2987%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2988% % 2989% % 2990% % 2991% 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 % 2992% % 2993% % 2994% % 2995%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2996% 2997% MagickFloodfillPaintImage() changes the color value of any pixel that matches 2998% target and is an immediate neighbor. If the method FillToBorderMethod is 2999% specified, the color value is changed for any neighbor pixel that does not 3000% match the bordercolor member of image. 3001% 3002% The format of the MagickFloodfillPaintImage method is: 3003% 3004% MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 3005% const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 3006% const ssize_t x,const ssize_t y,const MagickBooleanType invert) 3007% 3008% A description of each parameter follows: 3009% 3010% o wand: the magick wand. 3011% 3012% o fill: the floodfill color pixel wand. 3013% 3014% o fuzz: By default target must match a particular pixel color 3015% exactly. However, in many cases two colors may differ by a small amount. 3016% The fuzz member of image defines how much tolerance is acceptable to 3017% consider two colors as the same. For example, set fuzz to 10 and the 3018% color red at intensities of 100 and 102 respectively are now interpreted 3019% as the same color for the purposes of the floodfill. 3020% 3021% o bordercolor: the border color pixel wand. 3022% 3023% o x,y: the starting location of the operation. 3024% 3025% o invert: paint any pixel that does not match the target color. 3026% 3027*/ 3028WandExport MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 3029 const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 3030 const ssize_t x,const ssize_t y,const MagickBooleanType invert) 3031{ 3032 DrawInfo 3033 *draw_info; 3034 3035 MagickBooleanType 3036 status; 3037 3038 PixelInfo 3039 target; 3040 3041 assert(wand != (MagickWand *) NULL); 3042 assert(wand->signature == WandSignature); 3043 if (wand->debug != MagickFalse) 3044 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3045 if (wand->images == (Image *) NULL) 3046 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3047 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 3048 PixelGetQuantumPacket(fill,&draw_info->fill); 3049 (void) GetOneVirtualMagickPixel(wand->images,x % wand->images->columns, 3050 y % wand->images->rows,&target,wand->exception); 3051 if (bordercolor != (PixelWand *) NULL) 3052 PixelGetMagickColor(bordercolor,&target); 3053 wand->images->fuzz=fuzz; 3054 status=FloodfillPaintImage(wand->images,draw_info,&target,x,y,invert, 3055 wand->exception); 3056 draw_info=DestroyDrawInfo(draw_info); 3057 return(status); 3058} 3059 3060/* 3061%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3062% % 3063% % 3064% % 3065% M a g i c k F l o p I m a g e % 3066% % 3067% % 3068% % 3069%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3070% 3071% MagickFlopImage() creates a horizontal mirror image by reflecting the pixels 3072% around the central y-axis. 3073% 3074% The format of the MagickFlopImage method is: 3075% 3076% MagickBooleanType MagickFlopImage(MagickWand *wand) 3077% 3078% A description of each parameter follows: 3079% 3080% o wand: the magick wand. 3081% 3082*/ 3083WandExport MagickBooleanType MagickFlopImage(MagickWand *wand) 3084{ 3085 Image 3086 *flop_image; 3087 3088 assert(wand != (MagickWand *) NULL); 3089 assert(wand->signature == WandSignature); 3090 if (wand->debug != MagickFalse) 3091 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3092 if (wand->images == (Image *) NULL) 3093 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3094 flop_image=FlopImage(wand->images,wand->exception); 3095 if (flop_image == (Image *) NULL) 3096 return(MagickFalse); 3097 ReplaceImageInList(&wand->images,flop_image); 3098 return(MagickTrue); 3099} 3100 3101/* 3102%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3103% % 3104% % 3105% % 3106% 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 % 3107% % 3108% % 3109% % 3110%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3111% 3112% MagickForwardFourierTransformImage() implements the discrete Fourier 3113% transform (DFT) of the image either as a magnitude / phase or real / 3114% imaginary image pair. 3115% 3116% The format of the MagickForwardFourierTransformImage method is: 3117% 3118% MagickBooleanType MagickForwardFourierTransformImage(MagickWand *wand, 3119% const MagickBooleanType magnitude) 3120% 3121% A description of each parameter follows: 3122% 3123% o wand: the magick wand. 3124% 3125% o magnitude: if true, return as magnitude / phase pair otherwise a real / 3126% imaginary image pair. 3127% 3128*/ 3129WandExport MagickBooleanType MagickForwardFourierTransformImage( 3130 MagickWand *wand,const MagickBooleanType magnitude) 3131{ 3132 Image 3133 *forward_image; 3134 3135 assert(wand != (MagickWand *) NULL); 3136 assert(wand->signature == WandSignature); 3137 if (wand->debug != MagickFalse) 3138 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3139 if (wand->images == (Image *) NULL) 3140 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3141 forward_image=ForwardFourierTransformImage(wand->images,magnitude, 3142 wand->exception); 3143 if (forward_image == (Image *) NULL) 3144 return(MagickFalse); 3145 ReplaceImageInList(&wand->images,forward_image); 3146 return(MagickTrue); 3147} 3148 3149/* 3150%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3151% % 3152% % 3153% % 3154% M a g i c k F r a m e I m a g e % 3155% % 3156% % 3157% % 3158%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3159% 3160% MagickFrameImage() adds a simulated three-dimensional border around the 3161% image. The width and height specify the border width of the vertical and 3162% horizontal sides of the frame. The inner and outer bevels indicate the 3163% width of the inner and outer shadows of the frame. 3164% 3165% The format of the MagickFrameImage method is: 3166% 3167% MagickBooleanType MagickFrameImage(MagickWand *wand, 3168% const PixelWand *matte_color,const size_t width, 3169% const size_t height,const ssize_t inner_bevel, 3170% const ssize_t outer_bevel,const CompositeOperator compose) 3171% 3172% A description of each parameter follows: 3173% 3174% o wand: the magick wand. 3175% 3176% o matte_color: the frame color pixel wand. 3177% 3178% o width: the border width. 3179% 3180% o height: the border height. 3181% 3182% o inner_bevel: the inner bevel width. 3183% 3184% o outer_bevel: the outer bevel width. 3185% 3186% o compose: the composite operator. 3187% 3188*/ 3189WandExport MagickBooleanType MagickFrameImage(MagickWand *wand, 3190 const PixelWand *matte_color,const size_t width,const size_t height, 3191 const ssize_t inner_bevel,const ssize_t outer_bevel, 3192 const CompositeOperator compose) 3193{ 3194 Image 3195 *frame_image; 3196 3197 FrameInfo 3198 frame_info; 3199 3200 assert(wand != (MagickWand *) NULL); 3201 assert(wand->signature == WandSignature); 3202 if (wand->debug != MagickFalse) 3203 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3204 if (wand->images == (Image *) NULL) 3205 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3206 (void) ResetMagickMemory(&frame_info,0,sizeof(frame_info)); 3207 frame_info.width=wand->images->columns+2*width; 3208 frame_info.height=wand->images->rows+2*height; 3209 frame_info.x=(ssize_t) width; 3210 frame_info.y=(ssize_t) height; 3211 frame_info.inner_bevel=inner_bevel; 3212 frame_info.outer_bevel=outer_bevel; 3213 PixelGetQuantumPacket(matte_color,&wand->images->matte_color); 3214 frame_image=FrameImage(wand->images,&frame_info,compose,wand->exception); 3215 if (frame_image == (Image *) NULL) 3216 return(MagickFalse); 3217 ReplaceImageInList(&wand->images,frame_image); 3218 return(MagickTrue); 3219} 3220 3221/* 3222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3223% % 3224% % 3225% % 3226% M a g i c k F u n c t i o n I m a g e % 3227% % 3228% % 3229% % 3230%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3231% 3232% MagickFunctionImage() applys an arithmetic, relational, or logical 3233% expression to an image. Use these operators to lighten or darken an image, 3234% to increase or decrease contrast in an image, or to produce the "negative" 3235% of an image. 3236% 3237% The format of the MagickFunctionImage method is: 3238% 3239% MagickBooleanType MagickFunctionImage(MagickWand *wand, 3240% const MagickFunction function,const size_t number_arguments, 3241% const double *arguments) 3242% 3243% A description of each parameter follows: 3244% 3245% o wand: the magick wand. 3246% 3247% o function: the image function. 3248% 3249% o number_arguments: the number of function arguments. 3250% 3251% o arguments: the function arguments. 3252% 3253*/ 3254WandExport MagickBooleanType MagickFunctionImage(MagickWand *wand, 3255 const MagickFunction function,const size_t number_arguments, 3256 const double *arguments) 3257{ 3258 MagickBooleanType 3259 status; 3260 3261 assert(wand != (MagickWand *) NULL); 3262 assert(wand->signature == WandSignature); 3263 if (wand->debug != MagickFalse) 3264 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3265 if (wand->images == (Image *) NULL) 3266 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3267 status=FunctionImage(wand->images,function,number_arguments,arguments, 3268 wand->exception); 3269 return(status); 3270} 3271 3272/* 3273%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3274% % 3275% % 3276% % 3277% M a g i c k F x I m a g e % 3278% % 3279% % 3280% % 3281%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3282% 3283% MagickFxImage() evaluate expression for each pixel in the image. 3284% 3285% The format of the MagickFxImage method is: 3286% 3287% MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3288% 3289% A description of each parameter follows: 3290% 3291% o wand: the magick wand. 3292% 3293% o expression: the expression. 3294% 3295*/ 3296WandExport MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3297{ 3298 Image 3299 *fx_image; 3300 3301 assert(wand != (MagickWand *) NULL); 3302 assert(wand->signature == WandSignature); 3303 if (wand->debug != MagickFalse) 3304 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3305 if (wand->images == (Image *) NULL) 3306 return((MagickWand *) NULL); 3307 fx_image=FxImage(wand->images,expression,wand->exception); 3308 if (fx_image == (Image *) NULL) 3309 return((MagickWand *) NULL); 3310 return(CloneMagickWandFromImages(wand,fx_image)); 3311} 3312 3313/* 3314%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3315% % 3316% % 3317% % 3318% M a g i c k G a m m a I m a g e % 3319% % 3320% % 3321% % 3322%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3323% 3324% MagickGammaImage() gamma-corrects an image. The same image viewed on 3325% different devices will have perceptual differences in the way the image's 3326% intensities are represented on the screen. Specify individual gamma levels 3327% for the red, green, and blue channels, or adjust all three with the gamma 3328% parameter. Values typically range from 0.8 to 2.3. 3329% 3330% You can also reduce the influence of a particular channel with a gamma 3331% value of 0. 3332% 3333% The format of the MagickGammaImage method is: 3334% 3335% MagickBooleanType MagickGammaImage(MagickWand *wand,const double gamma) 3336% 3337% A description of each parameter follows: 3338% 3339% o wand: the magick wand. 3340% 3341% o level: Define the level of gamma correction. 3342% 3343*/ 3344WandExport MagickBooleanType MagickGammaImage(MagickWand *wand, 3345 const double gamma) 3346{ 3347 MagickBooleanType 3348 status; 3349 3350 assert(wand != (MagickWand *) NULL); 3351 assert(wand->signature == WandSignature); 3352 if (wand->debug != MagickFalse) 3353 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3354 if (wand->images == (Image *) NULL) 3355 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3356 status=GammaImage(wand->images,gamma,wand->exception); 3357 return(status); 3358} 3359 3360/* 3361%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3362% % 3363% % 3364% % 3365% M a g i c k G a u s s i a n B l u r I m a g e % 3366% % 3367% % 3368% % 3369%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3370% 3371% MagickGaussianBlurImage() blurs an image. We convolve the image with a 3372% Gaussian operator of the given radius and standard deviation (sigma). 3373% For reasonable results, the radius should be larger than sigma. Use a 3374% radius of 0 and MagickGaussianBlurImage() selects a suitable radius for you. 3375% 3376% The format of the MagickGaussianBlurImage method is: 3377% 3378% MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3379% const double radius,const double sigma,const double bias) 3380% 3381% A description of each parameter follows: 3382% 3383% o wand: the magick wand. 3384% 3385% o radius: the radius of the Gaussian, in pixels, not counting the center 3386% pixel. 3387% 3388% o sigma: the standard deviation of the Gaussian, in pixels. 3389% 3390% o bias: the bias. 3391% 3392*/ 3393WandExport MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3394 const double radius,const double sigma,const double bias) 3395{ 3396 Image 3397 *blur_image; 3398 3399 assert(wand != (MagickWand *) NULL); 3400 assert(wand->signature == WandSignature); 3401 if (wand->debug != MagickFalse) 3402 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3403 if (wand->images == (Image *) NULL) 3404 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3405 blur_image=GaussianBlurImage(wand->images,radius,sigma,bias,wand->exception); 3406 if (blur_image == (Image *) NULL) 3407 return(MagickFalse); 3408 ReplaceImageInList(&wand->images,blur_image); 3409 return(MagickTrue); 3410} 3411 3412/* 3413%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3414% % 3415% % 3416% % 3417% M a g i c k G e t I m a g e % 3418% % 3419% % 3420% % 3421%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3422% 3423% MagickGetImage() gets the image at the current image index. 3424% 3425% The format of the MagickGetImage method is: 3426% 3427% MagickWand *MagickGetImage(MagickWand *wand) 3428% 3429% A description of each parameter follows: 3430% 3431% o wand: the magick wand. 3432% 3433*/ 3434WandExport MagickWand *MagickGetImage(MagickWand *wand) 3435{ 3436 Image 3437 *image; 3438 3439 assert(wand != (MagickWand *) NULL); 3440 assert(wand->signature == WandSignature); 3441 if (wand->debug != MagickFalse) 3442 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3443 if (wand->images == (Image *) NULL) 3444 { 3445 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3446 "ContainsNoImages","`%s'",wand->name); 3447 return((MagickWand *) NULL); 3448 } 3449 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 3450 if (image == (Image *) NULL) 3451 return((MagickWand *) NULL); 3452 return(CloneMagickWandFromImages(wand,image)); 3453} 3454 3455/* 3456%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3457% % 3458% % 3459% % 3460% 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 % 3461% % 3462% % 3463% % 3464%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3465% 3466% MagickGetImageAlphaChannel() returns MagickFalse if the image alpha channel 3467% is not activated. That is, the image is RGB rather than RGBA or CMYK rather 3468% than CMYKA. 3469% 3470% The format of the MagickGetImageAlphaChannel method is: 3471% 3472% size_t MagickGetImageAlphaChannel(MagickWand *wand) 3473% 3474% A description of each parameter follows: 3475% 3476% o wand: the magick wand. 3477% 3478*/ 3479WandExport MagickBooleanType MagickGetImageAlphaChannel(MagickWand *wand) 3480{ 3481 assert(wand != (MagickWand *) NULL); 3482 assert(wand->signature == WandSignature); 3483 if (wand->debug != MagickFalse) 3484 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3485 if (wand->images == (Image *) NULL) 3486 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3487 return(GetImageAlphaChannel(wand->images)); 3488} 3489 3490/* 3491%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3492% % 3493% % 3494% % 3495% M a g i c k G e t I m a g e C l i p M a s k % 3496% % 3497% % 3498% % 3499%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3500% 3501% MagickGetImageClipMask() gets the image clip mask at the current image index. 3502% 3503% The format of the MagickGetImageClipMask method is: 3504% 3505% MagickWand *MagickGetImageClipMask(MagickWand *wand) 3506% 3507% A description of each parameter follows: 3508% 3509% o wand: the magick wand. 3510% 3511*/ 3512WandExport MagickWand *MagickGetImageClipMask(MagickWand *wand) 3513{ 3514 Image 3515 *image; 3516 3517 assert(wand != (MagickWand *) NULL); 3518 assert(wand->signature == WandSignature); 3519 if (wand->debug != MagickFalse) 3520 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3521 if (wand->images == (Image *) NULL) 3522 { 3523 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3524 "ContainsNoImages","`%s'",wand->name); 3525 return((MagickWand *) NULL); 3526 } 3527 image=GetImageClipMask(wand->images,wand->exception); 3528 if (image == (Image *) NULL) 3529 return((MagickWand *) NULL); 3530 return(CloneMagickWandFromImages(wand,image)); 3531} 3532 3533/* 3534%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3535% % 3536% % 3537% % 3538% 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 % 3539% % 3540% % 3541% % 3542%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3543% 3544% MagickGetImageBackgroundColor() returns the image background color. 3545% 3546% The format of the MagickGetImageBackgroundColor method is: 3547% 3548% MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3549% PixelWand *background_color) 3550% 3551% A description of each parameter follows: 3552% 3553% o wand: the magick wand. 3554% 3555% o background_color: Return the background color. 3556% 3557*/ 3558WandExport MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3559 PixelWand *background_color) 3560{ 3561 assert(wand != (MagickWand *) NULL); 3562 assert(wand->signature == WandSignature); 3563 if (wand->debug != MagickFalse) 3564 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3565 if (wand->images == (Image *) NULL) 3566 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3567 PixelSetQuantumPacket(background_color,&wand->images->background_color); 3568 return(MagickTrue); 3569} 3570 3571/* 3572%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3573% % 3574% % 3575% % 3576% M a g i c k G e t I m a g e B l o b % 3577% % 3578% % 3579% % 3580%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3581% 3582% MagickGetImageBlob() implements direct to memory image formats. It returns 3583% the image as a blob (a formatted "file" in memory) and its length, starting 3584% from the current position in the image sequence. Use MagickSetImageFormat() 3585% to set the format to write to the blob (GIF, JPEG, PNG, etc.). 3586% 3587% Utilize MagickResetIterator() to ensure the write is from the beginning of 3588% the image sequence. 3589% 3590% Use MagickRelinquishMemory() to free the blob when you are done with it. 3591% 3592% The format of the MagickGetImageBlob method is: 3593% 3594% unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3595% 3596% A description of each parameter follows: 3597% 3598% o wand: the magick wand. 3599% 3600% o length: the length of the blob. 3601% 3602*/ 3603WandExport unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3604{ 3605 assert(wand != (MagickWand *) NULL); 3606 assert(wand->signature == WandSignature); 3607 if (wand->debug != MagickFalse) 3608 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3609 if (wand->images == (Image *) NULL) 3610 { 3611 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3612 "ContainsNoImages","`%s'",wand->name); 3613 return((unsigned char *) NULL); 3614 } 3615 return(ImageToBlob(wand->image_info,wand->images,length,wand->exception)); 3616} 3617 3618/* 3619%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3620% % 3621% % 3622% % 3623% M a g i c k G e t I m a g e s B l o b % 3624% % 3625% % 3626% % 3627%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3628% 3629% MagickGetImageBlob() implements direct to memory image formats. It 3630% returns the image sequence as a blob and its length. The format of the image 3631% determines the format of the returned blob (GIF, JPEG, PNG, etc.). To 3632% return a different image format, use MagickSetImageFormat(). 3633% 3634% Note, some image formats do not permit multiple images to the same image 3635% stream (e.g. JPEG). in this instance, just the first image of the 3636% sequence is returned as a blob. 3637% 3638% The format of the MagickGetImagesBlob method is: 3639% 3640% unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3641% 3642% A description of each parameter follows: 3643% 3644% o wand: the magick wand. 3645% 3646% o length: the length of the blob. 3647% 3648*/ 3649WandExport unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3650{ 3651 unsigned char 3652 *blob; 3653 3654 assert(wand != (MagickWand *) NULL); 3655 assert(wand->signature == WandSignature); 3656 if (wand->debug != MagickFalse) 3657 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3658 if (wand->images == (Image *) NULL) 3659 { 3660 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3661 "ContainsNoImages","`%s'",wand->name); 3662 return((unsigned char *) NULL); 3663 } 3664 blob=ImagesToBlob(wand->image_info,GetFirstImageInList(wand->images),length, 3665 wand->exception); 3666 return(blob); 3667} 3668 3669/* 3670%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3671% % 3672% % 3673% % 3674% 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 % 3675% % 3676% % 3677% % 3678%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3679% 3680% MagickGetImageBluePrimary() returns the chromaticy blue primary point for the 3681% image. 3682% 3683% The format of the MagickGetImageBluePrimary method is: 3684% 3685% MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand,double *x, 3686% double *y) 3687% 3688% A description of each parameter follows: 3689% 3690% o wand: the magick wand. 3691% 3692% o x: the chromaticity blue primary x-point. 3693% 3694% o y: the chromaticity blue primary y-point. 3695% 3696*/ 3697WandExport MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand, 3698 double *x,double *y) 3699{ 3700 assert(wand != (MagickWand *) NULL); 3701 assert(wand->signature == WandSignature); 3702 if (wand->debug != MagickFalse) 3703 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3704 if (wand->images == (Image *) NULL) 3705 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3706 *x=wand->images->chromaticity.blue_primary.x; 3707 *y=wand->images->chromaticity.blue_primary.y; 3708 return(MagickTrue); 3709} 3710 3711/* 3712%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3713% % 3714% % 3715% % 3716% 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 % 3717% % 3718% % 3719% % 3720%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3721% 3722% MagickGetImageBorderColor() returns the image border color. 3723% 3724% The format of the MagickGetImageBorderColor method is: 3725% 3726% MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3727% PixelWand *border_color) 3728% 3729% A description of each parameter follows: 3730% 3731% o wand: the magick wand. 3732% 3733% o border_color: Return the border color. 3734% 3735*/ 3736WandExport MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3737 PixelWand *border_color) 3738{ 3739 assert(wand != (MagickWand *) NULL); 3740 assert(wand->signature == WandSignature); 3741 if (wand->debug != MagickFalse) 3742 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3743 if (wand->images == (Image *) NULL) 3744 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3745 PixelSetQuantumPacket(border_color,&wand->images->border_color); 3746 return(MagickTrue); 3747} 3748 3749/* 3750%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3751% % 3752% % 3753% % 3754% M a g i c k G e t I m a g e F e a t u r e s % 3755% % 3756% % 3757% % 3758%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3759% 3760% MagickGetImageFeatures() returns features for each channel in the 3761% image in each of four directions (horizontal, vertical, left and right 3762% diagonals) for the specified distance. The features include the angular 3763% second moment, contrast, correlation, sum of squares: variance, inverse 3764% difference moment, sum average, sum varience, sum entropy, entropy, 3765% difference variance, difference entropy, information measures of 3766% correlation 1, information measures of correlation 2, and maximum 3767% correlation coefficient. You can access the red channel contrast, for 3768% example, like this: 3769% 3770% channel_features=MagickGetImageFeatures(wand,1); 3771% contrast=channel_features[RedChannel].contrast[0]; 3772% 3773% Use MagickRelinquishMemory() to free the statistics buffer. 3774% 3775% The format of the MagickGetImageFeatures method is: 3776% 3777% ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 3778% const size_t distance) 3779% 3780% A description of each parameter follows: 3781% 3782% o wand: the magick wand. 3783% 3784% o distance: the distance. 3785% 3786*/ 3787WandExport ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 3788 const size_t distance) 3789{ 3790 assert(wand != (MagickWand *) NULL); 3791 assert(wand->signature == WandSignature); 3792 if (wand->debug != MagickFalse) 3793 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3794 if (wand->images == (Image *) NULL) 3795 { 3796 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3797 "ContainsNoImages","`%s'",wand->name); 3798 return((ChannelFeatures *) NULL); 3799 } 3800 return(GetImageFeatures(wand->images,distance,wand->exception)); 3801} 3802 3803/* 3804%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3805% % 3806% % 3807% % 3808% M a g i c k G e t I m a g e K u r t o s i s % 3809% % 3810% % 3811% % 3812%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3813% 3814% MagickGetImageKurtosis() gets the kurtosis and skewness of one or 3815% more image channels. 3816% 3817% The format of the MagickGetImageKurtosis method is: 3818% 3819% MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 3820% double *kurtosis,double *skewness) 3821% 3822% A description of each parameter follows: 3823% 3824% o wand: the magick wand. 3825% 3826% o kurtosis: The kurtosis for the specified channel(s). 3827% 3828% o skewness: The skewness for the specified channel(s). 3829% 3830*/ 3831WandExport MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 3832 double *kurtosis,double *skewness) 3833{ 3834 MagickBooleanType 3835 status; 3836 3837 assert(wand != (MagickWand *) NULL); 3838 assert(wand->signature == WandSignature); 3839 if (wand->debug != MagickFalse) 3840 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3841 if (wand->images == (Image *) NULL) 3842 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3843 status=GetImageKurtosis(wand->images,kurtosis,skewness,wand->exception); 3844 return(status); 3845} 3846 3847/* 3848%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3849% % 3850% % 3851% % 3852% M a g i c k G e t I m a g e M e a n % 3853% % 3854% % 3855% % 3856%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3857% 3858% MagickGetImageMean() gets the mean and standard deviation of one or more 3859% image channels. 3860% 3861% The format of the MagickGetImageMean method is: 3862% 3863% MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 3864% double *standard_deviation) 3865% 3866% A description of each parameter follows: 3867% 3868% o wand: the magick wand. 3869% 3870% o channel: the image channel(s). 3871% 3872% o mean: The mean pixel value for the specified channel(s). 3873% 3874% o standard_deviation: The standard deviation for the specified channel(s). 3875% 3876*/ 3877WandExport MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 3878 double *standard_deviation) 3879{ 3880 MagickBooleanType 3881 status; 3882 3883 assert(wand != (MagickWand *) NULL); 3884 assert(wand->signature == WandSignature); 3885 if (wand->debug != MagickFalse) 3886 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3887 if (wand->images == (Image *) NULL) 3888 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3889 status=GetImageMean(wand->images,mean,standard_deviation,wand->exception); 3890 return(status); 3891} 3892 3893/* 3894%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3895% % 3896% % 3897% % 3898% M a g i c k G e t I m a g e R a n g e % 3899% % 3900% % 3901% % 3902%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3903% 3904% MagickGetImageRange() gets the range for one or more image channels. 3905% 3906% The format of the MagickGetImageRange method is: 3907% 3908% MagickBooleanType MagickGetImageRange(MagickWand *wand,double *minima, 3909% double *maxima) 3910% 3911% A description of each parameter follows: 3912% 3913% o wand: the magick wand. 3914% 3915% o minima: The minimum pixel value for the specified channel(s). 3916% 3917% o maxima: The maximum pixel value for the specified channel(s). 3918% 3919*/ 3920WandExport MagickBooleanType MagickGetImageRange(MagickWand *wand, 3921 double *minima,double *maxima) 3922{ 3923 MagickBooleanType 3924 status; 3925 3926 assert(wand != (MagickWand *) NULL); 3927 assert(wand->signature == WandSignature); 3928 if (wand->debug != MagickFalse) 3929 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3930 if (wand->images == (Image *) NULL) 3931 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3932 status=GetImageRange(wand->images,minima,maxima,wand->exception); 3933 return(status); 3934} 3935 3936/* 3937%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3938% % 3939% % 3940% % 3941% M a g i c k G e t I m a g e S t a t i s t i c s % 3942% % 3943% % 3944% % 3945%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3946% 3947% MagickGetImageStatistics() returns statistics for each channel in the 3948% image. The statistics include the channel depth, its minima and 3949% maxima, the mean, the standard deviation, the kurtosis and the skewness. 3950% You can access the red channel mean, for example, like this: 3951% 3952% channel_statistics=MagickGetImageStatistics(wand); 3953% red_mean=channel_statistics[RedChannel].mean; 3954% 3955% Use MagickRelinquishMemory() to free the statistics buffer. 3956% 3957% The format of the MagickGetImageStatistics method is: 3958% 3959% ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 3960% 3961% A description of each parameter follows: 3962% 3963% o wand: the magick wand. 3964% 3965*/ 3966WandExport ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 3967{ 3968 assert(wand != (MagickWand *) NULL); 3969 assert(wand->signature == WandSignature); 3970 if (wand->debug != MagickFalse) 3971 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3972 if (wand->images == (Image *) NULL) 3973 { 3974 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3975 "ContainsNoImages","`%s'",wand->name); 3976 return((ChannelStatistics *) NULL); 3977 } 3978 return(GetImageStatistics(wand->images,wand->exception)); 3979} 3980 3981/* 3982%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3983% % 3984% % 3985% % 3986% 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 % 3987% % 3988% % 3989% % 3990%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3991% 3992% MagickGetImageColormapColor() returns the color of the specified colormap 3993% index. 3994% 3995% The format of the MagickGetImageColormapColor method is: 3996% 3997% MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 3998% const size_t index,PixelWand *color) 3999% 4000% A description of each parameter follows: 4001% 4002% o wand: the magick wand. 4003% 4004% o index: the offset into the image colormap. 4005% 4006% o color: Return the colormap color in this wand. 4007% 4008*/ 4009WandExport MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 4010 const size_t index,PixelWand *color) 4011{ 4012 assert(wand != (MagickWand *) NULL); 4013 assert(wand->signature == WandSignature); 4014 if (wand->debug != MagickFalse) 4015 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4016 if (wand->images == (Image *) NULL) 4017 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4018 if ((wand->images->colormap == (PixelInfo *) NULL) || 4019 (index >= wand->images->colors)) 4020 { 4021 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4022 "InvalidColormapIndex","`%s'",wand->name); 4023 return(MagickFalse); 4024 } 4025 PixelSetQuantumPacket(color,wand->images->colormap+index); 4026 return(MagickTrue); 4027} 4028 4029/* 4030%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4031% % 4032% % 4033% % 4034% M a g i c k G e t I m a g e C o l o r s % 4035% % 4036% % 4037% % 4038%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4039% 4040% MagickGetImageColors() gets the number of unique colors in the image. 4041% 4042% The format of the MagickGetImageColors method is: 4043% 4044% size_t MagickGetImageColors(MagickWand *wand) 4045% 4046% A description of each parameter follows: 4047% 4048% o wand: the magick wand. 4049% 4050*/ 4051WandExport size_t MagickGetImageColors(MagickWand *wand) 4052{ 4053 assert(wand != (MagickWand *) NULL); 4054 assert(wand->signature == WandSignature); 4055 if (wand->debug != MagickFalse) 4056 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4057 if (wand->images == (Image *) NULL) 4058 { 4059 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4060 "ContainsNoImages","`%s'",wand->name); 4061 return(0); 4062 } 4063 return(GetNumberColors(wand->images,(FILE *) NULL,wand->exception)); 4064} 4065 4066/* 4067%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4068% % 4069% % 4070% % 4071% M a g i c k G e t I m a g e C o l o r s p a c e % 4072% % 4073% % 4074% % 4075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4076% 4077% MagickGetImageColorspace() gets the image colorspace. 4078% 4079% The format of the MagickGetImageColorspace method is: 4080% 4081% ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4082% 4083% A description of each parameter follows: 4084% 4085% o wand: the magick wand. 4086% 4087*/ 4088WandExport ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4089{ 4090 assert(wand != (MagickWand *) NULL); 4091 assert(wand->signature == WandSignature); 4092 if (wand->debug != MagickFalse) 4093 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4094 if (wand->images == (Image *) NULL) 4095 { 4096 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4097 "ContainsNoImages","`%s'",wand->name); 4098 return(UndefinedColorspace); 4099 } 4100 return(wand->images->colorspace); 4101} 4102 4103/* 4104%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4105% % 4106% % 4107% % 4108% M a g i c k G e t I m a g e C o m p o s e % 4109% % 4110% % 4111% % 4112%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4113% 4114% MagickGetImageCompose() returns the composite operator associated with the 4115% image. 4116% 4117% The format of the MagickGetImageCompose method is: 4118% 4119% CompositeOperator MagickGetImageCompose(MagickWand *wand) 4120% 4121% A description of each parameter follows: 4122% 4123% o wand: the magick wand. 4124% 4125*/ 4126WandExport CompositeOperator MagickGetImageCompose(MagickWand *wand) 4127{ 4128 assert(wand != (MagickWand *) NULL); 4129 assert(wand->signature == WandSignature); 4130 if (wand->debug != MagickFalse) 4131 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4132 if (wand->images == (Image *) NULL) 4133 { 4134 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4135 "ContainsNoImages","`%s'",wand->name); 4136 return(UndefinedCompositeOp); 4137 } 4138 return(wand->images->compose); 4139} 4140 4141/* 4142%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4143% % 4144% % 4145% % 4146% 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 % 4147% % 4148% % 4149% % 4150%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4151% 4152% MagickGetImageCompression() gets the image compression. 4153% 4154% The format of the MagickGetImageCompression method is: 4155% 4156% CompressionType MagickGetImageCompression(MagickWand *wand) 4157% 4158% A description of each parameter follows: 4159% 4160% o wand: the magick wand. 4161% 4162*/ 4163WandExport CompressionType MagickGetImageCompression(MagickWand *wand) 4164{ 4165 assert(wand != (MagickWand *) NULL); 4166 assert(wand->signature == WandSignature); 4167 if (wand->debug != MagickFalse) 4168 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4169 if (wand->images == (Image *) NULL) 4170 { 4171 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4172 "ContainsNoImages","`%s'",wand->name); 4173 return(UndefinedCompression); 4174 } 4175 return(wand->images->compression); 4176} 4177 4178/* 4179%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4180% % 4181% % 4182% % 4183% 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 % 4184% % 4185% % 4186% % 4187%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4188% 4189% MagickGetImageCompression() gets the image compression quality. 4190% 4191% The format of the MagickGetImageCompression method is: 4192% 4193% size_t MagickGetImageCompression(MagickWand *wand) 4194% 4195% A description of each parameter follows: 4196% 4197% o wand: the magick wand. 4198% 4199*/ 4200WandExport size_t MagickGetImageCompressionQuality(MagickWand *wand) 4201{ 4202 assert(wand != (MagickWand *) NULL); 4203 assert(wand->signature == WandSignature); 4204 if (wand->debug != MagickFalse) 4205 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4206 if (wand->images == (Image *) NULL) 4207 { 4208 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4209 "ContainsNoImages","`%s'",wand->name); 4210 return(0UL); 4211 } 4212 return(wand->images->quality); 4213} 4214 4215/* 4216%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4217% % 4218% % 4219% % 4220% M a g i c k G e t I m a g e D e l a y % 4221% % 4222% % 4223% % 4224%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4225% 4226% MagickGetImageDelay() gets the image delay. 4227% 4228% The format of the MagickGetImageDelay method is: 4229% 4230% size_t MagickGetImageDelay(MagickWand *wand) 4231% 4232% A description of each parameter follows: 4233% 4234% o wand: the magick wand. 4235% 4236*/ 4237WandExport size_t MagickGetImageDelay(MagickWand *wand) 4238{ 4239 assert(wand != (MagickWand *) NULL); 4240 assert(wand->signature == WandSignature); 4241 if (wand->debug != MagickFalse) 4242 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4243 if (wand->images == (Image *) NULL) 4244 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4245 return(wand->images->delay); 4246} 4247 4248/* 4249%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4250% % 4251% % 4252% % 4253% M a g i c k G e t I m a g e D e p t h % 4254% % 4255% % 4256% % 4257%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4258% 4259% MagickGetImageDepth() gets the image depth. 4260% 4261% The format of the MagickGetImageDepth method is: 4262% 4263% size_t MagickGetImageDepth(MagickWand *wand) 4264% 4265% A description of each parameter follows: 4266% 4267% o wand: the magick wand. 4268% 4269*/ 4270WandExport size_t MagickGetImageDepth(MagickWand *wand) 4271{ 4272 assert(wand != (MagickWand *) NULL); 4273 assert(wand->signature == WandSignature); 4274 if (wand->debug != MagickFalse) 4275 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4276 if (wand->images == (Image *) NULL) 4277 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4278 return(GetImageDepth(wand->images,wand->exception)); 4279} 4280 4281/* 4282%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4283% % 4284% % 4285% % 4286% M a g i c k G e t I m a g e D i s p o s e % 4287% % 4288% % 4289% % 4290%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4291% 4292% MagickGetImageDispose() gets the image disposal method. 4293% 4294% The format of the MagickGetImageDispose method is: 4295% 4296% DisposeType MagickGetImageDispose(MagickWand *wand) 4297% 4298% A description of each parameter follows: 4299% 4300% o wand: the magick wand. 4301% 4302*/ 4303WandExport DisposeType MagickGetImageDispose(MagickWand *wand) 4304{ 4305 assert(wand != (MagickWand *) NULL); 4306 assert(wand->signature == WandSignature); 4307 if (wand->debug != MagickFalse) 4308 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4309 if (wand->images == (Image *) NULL) 4310 { 4311 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4312 "ContainsNoImages","`%s'",wand->name); 4313 return(UndefinedDispose); 4314 } 4315 return((DisposeType) wand->images->dispose); 4316} 4317 4318/* 4319%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4320% % 4321% % 4322% % 4323% M a g i c k G e t I m a g e D i s t o r t i o n % 4324% % 4325% % 4326% % 4327%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4328% 4329% MagickGetImageDistortion() compares an image to a reconstructed image and 4330% returns the specified distortion metric. 4331% 4332% The format of the MagickGetImageDistortion method is: 4333% 4334% MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4335% const MagickWand *reference,const MetricType metric, 4336% double *distortion) 4337% 4338% A description of each parameter follows: 4339% 4340% o wand: the magick wand. 4341% 4342% o reference: the reference wand. 4343% 4344% o metric: the metric. 4345% 4346% o distortion: the computed distortion between the images. 4347% 4348*/ 4349WandExport MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4350 const MagickWand *reference,const MetricType metric,double *distortion) 4351{ 4352 MagickBooleanType 4353 status; 4354 4355 assert(wand != (MagickWand *) NULL); 4356 assert(wand->signature == WandSignature); 4357 if (wand->debug != MagickFalse) 4358 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4359 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4360 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4361 status=GetImageDistortion(wand->images,reference->images,metric,distortion, 4362 wand->exception); 4363 return(status); 4364} 4365 4366/* 4367%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4368% % 4369% % 4370% % 4371% 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 % 4372% % 4373% % 4374% % 4375%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4376% 4377% MagickGetImageDistortions() compares one or more pixel channels of an 4378% image to a reconstructed image and returns the specified distortion metrics. 4379% 4380% Use MagickRelinquishMemory() to free the metrics when you are done with them. 4381% 4382% The format of the MagickGetImageDistortion method is: 4383% 4384% double *MagickGetImageDistortion(MagickWand *wand, 4385% const MagickWand *reference,const MetricType metric) 4386% 4387% A description of each parameter follows: 4388% 4389% o wand: the magick wand. 4390% 4391% o reference: the reference wand. 4392% 4393% o metric: the metric. 4394% 4395*/ 4396WandExport double *MagickGetImageDistortions(MagickWand *wand, 4397 const MagickWand *reference,const MetricType metric) 4398{ 4399 double 4400 *channel_distortion; 4401 4402 assert(wand != (MagickWand *) NULL); 4403 assert(wand->signature == WandSignature); 4404 if (wand->debug != MagickFalse) 4405 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4406 assert(reference != (MagickWand *) NULL); 4407 assert(reference->signature == WandSignature); 4408 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4409 { 4410 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4411 "ContainsNoImages","`%s'",wand->name); 4412 return((double *) NULL); 4413 } 4414 channel_distortion=GetImageDistortions(wand->images,reference->images, 4415 metric,wand->exception); 4416 return(channel_distortion); 4417} 4418 4419/* 4420%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4421% % 4422% % 4423% % 4424% M a g i c k G e t I m a g e F i l e n a m e % 4425% % 4426% % 4427% % 4428%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4429% 4430% MagickGetImageFilename() returns the filename of a particular image in a 4431% sequence. 4432% 4433% The format of the MagickGetImageFilename method is: 4434% 4435% char *MagickGetImageFilename(MagickWand *wand) 4436% 4437% A description of each parameter follows: 4438% 4439% o wand: the magick wand. 4440% 4441*/ 4442WandExport char *MagickGetImageFilename(MagickWand *wand) 4443{ 4444 assert(wand != (MagickWand *) NULL); 4445 assert(wand->signature == WandSignature); 4446 if (wand->debug != MagickFalse) 4447 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4448 if (wand->images == (Image *) NULL) 4449 { 4450 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4451 "ContainsNoImages","`%s'",wand->name); 4452 return((char *) NULL); 4453 } 4454 return(AcquireString(wand->images->filename)); 4455} 4456 4457/* 4458%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4459% % 4460% % 4461% % 4462% M a g i c k G e t I m a g e F o r m a t % 4463% % 4464% % 4465% % 4466%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4467% 4468% MagickGetImageFormat() returns the format of a particular image in a 4469% sequence. 4470% 4471% The format of the MagickGetImageFormat method is: 4472% 4473% const char *MagickGetImageFormat(MagickWand *wand) 4474% 4475% A description of each parameter follows: 4476% 4477% o wand: the magick wand. 4478% 4479*/ 4480WandExport char *MagickGetImageFormat(MagickWand *wand) 4481{ 4482 assert(wand != (MagickWand *) NULL); 4483 assert(wand->signature == WandSignature); 4484 if (wand->debug != MagickFalse) 4485 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4486 if (wand->images == (Image *) NULL) 4487 { 4488 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4489 "ContainsNoImages","`%s'",wand->name); 4490 return((char *) NULL); 4491 } 4492 return(AcquireString(wand->images->magick)); 4493} 4494 4495/* 4496%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4497% % 4498% % 4499% % 4500% M a g i c k G e t I m a g e F u z z % 4501% % 4502% % 4503% % 4504%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4505% 4506% MagickGetImageFuzz() gets the image fuzz. 4507% 4508% The format of the MagickGetImageFuzz method is: 4509% 4510% double MagickGetImageFuzz(MagickWand *wand) 4511% 4512% A description of each parameter follows: 4513% 4514% o wand: the magick wand. 4515% 4516*/ 4517WandExport double MagickGetImageFuzz(MagickWand *wand) 4518{ 4519 assert(wand != (MagickWand *) NULL); 4520 assert(wand->signature == WandSignature); 4521 if (wand->debug != MagickFalse) 4522 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4523 if (wand->images == (Image *) NULL) 4524 { 4525 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4526 "ContainsNoImages","`%s'",wand->name); 4527 return(0.0); 4528 } 4529 return(wand->images->fuzz); 4530} 4531 4532/* 4533%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4534% % 4535% % 4536% % 4537% M a g i c k G e t I m a g e G a m m a % 4538% % 4539% % 4540% % 4541%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4542% 4543% MagickGetImageGamma() gets the image gamma. 4544% 4545% The format of the MagickGetImageGamma method is: 4546% 4547% double MagickGetImageGamma(MagickWand *wand) 4548% 4549% A description of each parameter follows: 4550% 4551% o wand: the magick wand. 4552% 4553*/ 4554WandExport double MagickGetImageGamma(MagickWand *wand) 4555{ 4556 assert(wand != (MagickWand *) NULL); 4557 assert(wand->signature == WandSignature); 4558 if (wand->debug != MagickFalse) 4559 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4560 if (wand->images == (Image *) NULL) 4561 { 4562 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4563 "ContainsNoImages","`%s'",wand->name); 4564 return(0.0); 4565 } 4566 return(wand->images->gamma); 4567} 4568 4569/* 4570%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4571% % 4572% % 4573% % 4574% 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 % 4575% % 4576% % 4577% % 4578%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4579% 4580% MagickGetImageGravity() gets the image gravity. 4581% 4582% The format of the MagickGetImageGravity method is: 4583% 4584% GravityType MagickGetImageGravity(MagickWand *wand) 4585% 4586% A description of each parameter follows: 4587% 4588% o wand: the magick wand. 4589% 4590*/ 4591WandExport GravityType MagickGetImageGravity(MagickWand *wand) 4592{ 4593 assert(wand != (MagickWand *) NULL); 4594 assert(wand->signature == WandSignature); 4595 if (wand->debug != MagickFalse) 4596 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4597 if (wand->images == (Image *) NULL) 4598 { 4599 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4600 "ContainsNoImages","`%s'",wand->name); 4601 return(UndefinedGravity); 4602 } 4603 return(wand->images->gravity); 4604} 4605 4606/* 4607%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4608% % 4609% % 4610% % 4611% 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 % 4612% % 4613% % 4614% % 4615%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4616% 4617% MagickGetImageGreenPrimary() returns the chromaticy green primary point. 4618% 4619% The format of the MagickGetImageGreenPrimary method is: 4620% 4621% MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand,double *x, 4622% double *y) 4623% 4624% A description of each parameter follows: 4625% 4626% o wand: the magick wand. 4627% 4628% o x: the chromaticity green primary x-point. 4629% 4630% o y: the chromaticity green primary y-point. 4631% 4632*/ 4633WandExport MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand, 4634 double *x,double *y) 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 *x=wand->images->chromaticity.green_primary.x; 4643 *y=wand->images->chromaticity.green_primary.y; 4644 return(MagickTrue); 4645} 4646 4647/* 4648%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4649% % 4650% % 4651% % 4652% M a g i c k G e t I m a g e H e i g h t % 4653% % 4654% % 4655% % 4656%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4657% 4658% MagickGetImageHeight() returns the image height. 4659% 4660% The format of the MagickGetImageHeight method is: 4661% 4662% size_t MagickGetImageHeight(MagickWand *wand) 4663% 4664% A description of each parameter follows: 4665% 4666% o wand: the magick wand. 4667% 4668*/ 4669WandExport size_t MagickGetImageHeight(MagickWand *wand) 4670{ 4671 assert(wand != (MagickWand *) NULL); 4672 assert(wand->signature == WandSignature); 4673 if (wand->debug != MagickFalse) 4674 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4675 if (wand->images == (Image *) NULL) 4676 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4677 return(wand->images->rows); 4678} 4679 4680/* 4681%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4682% % 4683% % 4684% % 4685% M a g i c k G e t I m a g e H i s t o g r a m % 4686% % 4687% % 4688% % 4689%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4690% 4691% MagickGetImageHistogram() returns the image histogram as an array of 4692% PixelWand wands. 4693% 4694% The format of the MagickGetImageHistogram method is: 4695% 4696% PixelWand **MagickGetImageHistogram(MagickWand *wand, 4697% size_t *number_colors) 4698% 4699% A description of each parameter follows: 4700% 4701% o wand: the magick wand. 4702% 4703% o number_colors: the number of unique colors in the image and the number 4704% of pixel wands returned. 4705% 4706*/ 4707WandExport PixelWand **MagickGetImageHistogram(MagickWand *wand, 4708 size_t *number_colors) 4709{ 4710 PixelInfo 4711 *histogram; 4712 4713 PixelWand 4714 **pixel_wands; 4715 4716 register ssize_t 4717 i; 4718 4719 assert(wand != (MagickWand *) NULL); 4720 assert(wand->signature == WandSignature); 4721 if (wand->debug != MagickFalse) 4722 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4723 if (wand->images == (Image *) NULL) 4724 { 4725 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4726 "ContainsNoImages","`%s'",wand->name); 4727 return((PixelWand **) NULL); 4728 } 4729 histogram=GetImageHistogram(wand->images,number_colors,wand->exception); 4730 if (histogram == (PixelInfo *) NULL) 4731 return((PixelWand **) NULL); 4732 pixel_wands=NewPixelWands(*number_colors); 4733 for (i=0; i < (ssize_t) *number_colors; i++) 4734 { 4735 PixelSetQuantumPacket(pixel_wands[i],&histogram[i]); 4736 PixelSetColorCount(pixel_wands[i],(size_t) histogram[i].count); 4737 } 4738 histogram=(PixelInfo *) RelinquishMagickMemory(histogram); 4739 return(pixel_wands); 4740} 4741 4742/* 4743%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4744% % 4745% % 4746% % 4747% 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 % 4748% % 4749% % 4750% % 4751%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4752% 4753% MagickGetImageInterlaceScheme() gets the image interlace scheme. 4754% 4755% The format of the MagickGetImageInterlaceScheme method is: 4756% 4757% InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 4758% 4759% A description of each parameter follows: 4760% 4761% o wand: the magick wand. 4762% 4763*/ 4764WandExport InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 4765{ 4766 assert(wand != (MagickWand *) NULL); 4767 assert(wand->signature == WandSignature); 4768 if (wand->debug != MagickFalse) 4769 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4770 if (wand->images == (Image *) NULL) 4771 { 4772 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4773 "ContainsNoImages","`%s'",wand->name); 4774 return(UndefinedInterlace); 4775 } 4776 return(wand->images->interlace); 4777} 4778 4779/* 4780%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4781% % 4782% % 4783% % 4784% 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 % 4785% % 4786% % 4787% % 4788%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4789% 4790% MagickGetImageInterpolateMethod() returns the interpolation method for the 4791% sepcified image. 4792% 4793% The format of the MagickGetImageInterpolateMethod method is: 4794% 4795% PixelInterpolateMethod MagickGetImagePixelInterpolateMethod( 4796% MagickWand *wand) 4797% 4798% A description of each parameter follows: 4799% 4800% o wand: the magick wand. 4801% 4802*/ 4803WandExport PixelInterpolateMethod MagickGetImageInterpolateMethod( 4804 MagickWand *wand) 4805{ 4806 assert(wand != (MagickWand *) NULL); 4807 assert(wand->signature == WandSignature); 4808 if (wand->debug != MagickFalse) 4809 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4810 if (wand->images == (Image *) NULL) 4811 { 4812 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4813 "ContainsNoImages","`%s'",wand->name); 4814 return(UndefinedInterpolatePixel); 4815 } 4816 return(wand->images->interpolate); 4817} 4818 4819/* 4820%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4821% % 4822% % 4823% % 4824% M a g i c k G e t I m a g e I t e r a t i o n s % 4825% % 4826% % 4827% % 4828%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4829% 4830% MagickGetImageIterations() gets the image iterations. 4831% 4832% The format of the MagickGetImageIterations method is: 4833% 4834% size_t MagickGetImageIterations(MagickWand *wand) 4835% 4836% A description of each parameter follows: 4837% 4838% o wand: the magick wand. 4839% 4840*/ 4841WandExport size_t MagickGetImageIterations(MagickWand *wand) 4842{ 4843 assert(wand != (MagickWand *) NULL); 4844 assert(wand->signature == WandSignature); 4845 if (wand->debug != MagickFalse) 4846 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4847 if (wand->images == (Image *) NULL) 4848 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4849 return(wand->images->iterations); 4850} 4851 4852/* 4853%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4854% % 4855% % 4856% % 4857% M a g i c k G e t I m a g e L e n g t h % 4858% % 4859% % 4860% % 4861%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4862% 4863% MagickGetImageLength() returns the image length in bytes. 4864% 4865% The format of the MagickGetImageLength method is: 4866% 4867% MagickBooleanType MagickGetImageLength(MagickWand *wand, 4868% MagickSizeType *length) 4869% 4870% A description of each parameter follows: 4871% 4872% o wand: the magick wand. 4873% 4874% o length: the image length in bytes. 4875% 4876*/ 4877WandExport MagickBooleanType MagickGetImageLength(MagickWand *wand, 4878 MagickSizeType *length) 4879{ 4880 assert(wand != (MagickWand *) NULL); 4881 assert(wand->signature == WandSignature); 4882 if (wand->debug != MagickFalse) 4883 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4884 if (wand->images == (Image *) NULL) 4885 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4886 *length=GetBlobSize(wand->images); 4887 return(MagickTrue); 4888} 4889 4890/* 4891%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4892% % 4893% % 4894% % 4895% M a g i c k G e t I m a g e M a t t e C o l o r % 4896% % 4897% % 4898% % 4899%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4900% 4901% MagickGetImageMatteColor() returns the image matte color. 4902% 4903% The format of the MagickGetImageMatteColor method is: 4904% 4905% MagickBooleanType MagickGetImagematteColor(MagickWand *wand, 4906% PixelWand *matte_color) 4907% 4908% A description of each parameter follows: 4909% 4910% o wand: the magick wand. 4911% 4912% o matte_color: Return the matte color. 4913% 4914*/ 4915WandExport MagickBooleanType MagickGetImageMatteColor(MagickWand *wand, 4916 PixelWand *matte_color) 4917{ 4918 assert(wand != (MagickWand *) NULL); 4919 assert(wand->signature == WandSignature); 4920 if (wand->debug != MagickFalse) 4921 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4922 if (wand->images == (Image *) NULL) 4923 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4924 PixelSetQuantumPacket(matte_color,&wand->images->matte_color); 4925 return(MagickTrue); 4926} 4927 4928/* 4929%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4930% % 4931% % 4932% % 4933% 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 % 4934% % 4935% % 4936% % 4937%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4938% 4939% MagickGetImageOrientation() returns the image orientation. 4940% 4941% The format of the MagickGetImageOrientation method is: 4942% 4943% OrientationType MagickGetImageOrientation(MagickWand *wand) 4944% 4945% A description of each parameter follows: 4946% 4947% o wand: the magick wand. 4948% 4949*/ 4950WandExport OrientationType MagickGetImageOrientation(MagickWand *wand) 4951{ 4952 assert(wand != (MagickWand *) NULL); 4953 assert(wand->signature == WandSignature); 4954 if (wand->debug != MagickFalse) 4955 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4956 if (wand->images == (Image *) NULL) 4957 { 4958 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4959 "ContainsNoImages","`%s'",wand->name); 4960 return(UndefinedOrientation); 4961 } 4962 return(wand->images->orientation); 4963} 4964 4965/* 4966%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4967% % 4968% % 4969% % 4970% M a g i c k G e t I m a g e P a g e % 4971% % 4972% % 4973% % 4974%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4975% 4976% MagickGetImagePage() returns the page geometry associated with the image. 4977% 4978% The format of the MagickGetImagePage method is: 4979% 4980% MagickBooleanType MagickGetImagePage(MagickWand *wand, 4981% size_t *width,size_t *height,ssize_t *x,ssize_t *y) 4982% 4983% A description of each parameter follows: 4984% 4985% o wand: the magick wand. 4986% 4987% o width: the page width. 4988% 4989% o height: the page height. 4990% 4991% o x: the page x-offset. 4992% 4993% o y: the page y-offset. 4994% 4995*/ 4996WandExport MagickBooleanType MagickGetImagePage(MagickWand *wand, 4997 size_t *width,size_t *height,ssize_t *x,ssize_t *y) 4998{ 4999 assert(wand != (const MagickWand *) NULL); 5000 assert(wand->signature == WandSignature); 5001 if (wand->debug != MagickFalse) 5002 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5003 if (wand->images == (Image *) NULL) 5004 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5005 *width=wand->images->page.width; 5006 *height=wand->images->page.height; 5007 *x=wand->images->page.x; 5008 *y=wand->images->page.y; 5009 return(MagickTrue); 5010} 5011 5012/* 5013%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5014% % 5015% % 5016% % 5017% M a g i c k G e t I m a g e P i x e l C o l o r % 5018% % 5019% % 5020% % 5021%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5022% 5023% MagickGetImagePixelColor() returns the color of the specified pixel. 5024% 5025% The format of the MagickGetImagePixelColor method is: 5026% 5027% MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5028% const ssize_t x,const ssize_t y,PixelWand *color) 5029% 5030% A description of each parameter follows: 5031% 5032% o wand: the magick wand. 5033% 5034% o x,y: the pixel offset into the image. 5035% 5036% o color: Return the colormap color in this wand. 5037% 5038*/ 5039WandExport MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5040 const ssize_t x,const ssize_t y,PixelWand *color) 5041{ 5042 register const Quantum 5043 *p; 5044 5045 CacheView 5046 *image_view; 5047 5048 assert(wand != (MagickWand *) NULL); 5049 assert(wand->signature == WandSignature); 5050 if (wand->debug != MagickFalse) 5051 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5052 if (wand->images == (Image *) NULL) 5053 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5054 image_view=AcquireCacheView(wand->images); 5055 p=GetCacheViewVirtualPixels(image_view,x,y,1,1,wand->exception); 5056 if (p == (const Quantum *) NULL) 5057 { 5058 image_view=DestroyCacheView(image_view); 5059 return(MagickFalse); 5060 } 5061 PixelSetQuantumPixel(wand->images,p,color); 5062 image_view=DestroyCacheView(image_view); 5063 return(MagickTrue); 5064} 5065 5066/* 5067%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5068% % 5069% % 5070% % 5071% M a g i c k G e t I m a g e R e d P r i m a r y % 5072% % 5073% % 5074% % 5075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5076% 5077% MagickGetImageRedPrimary() returns the chromaticy red primary point. 5078% 5079% The format of the MagickGetImageRedPrimary method is: 5080% 5081% MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand,double *x, 5082% double *y) 5083% 5084% A description of each parameter follows: 5085% 5086% o wand: the magick wand. 5087% 5088% o x: the chromaticity red primary x-point. 5089% 5090% o y: the chromaticity red primary y-point. 5091% 5092*/ 5093WandExport MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand, 5094 double *x,double *y) 5095{ 5096 assert(wand != (MagickWand *) NULL); 5097 assert(wand->signature == WandSignature); 5098 if (wand->debug != MagickFalse) 5099 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5100 if (wand->images == (Image *) NULL) 5101 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5102 *x=wand->images->chromaticity.red_primary.x; 5103 *y=wand->images->chromaticity.red_primary.y; 5104 return(MagickTrue); 5105} 5106 5107/* 5108%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5109% % 5110% % 5111% % 5112% M a g i c k G e t I m a g e R e g i o n % 5113% % 5114% % 5115% % 5116%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5117% 5118% MagickGetImageRegion() extracts a region of the image and returns it as a 5119% a new wand. 5120% 5121% The format of the MagickGetImageRegion method is: 5122% 5123% MagickWand *MagickGetImageRegion(MagickWand *wand, 5124% const size_t width,const size_t height,const ssize_t x, 5125% const ssize_t y) 5126% 5127% A description of each parameter follows: 5128% 5129% o wand: the magick wand. 5130% 5131% o width: the region width. 5132% 5133% o height: the region height. 5134% 5135% o x: the region x offset. 5136% 5137% o y: the region y offset. 5138% 5139*/ 5140WandExport MagickWand *MagickGetImageRegion(MagickWand *wand, 5141 const size_t width,const size_t height,const ssize_t x, 5142 const ssize_t y) 5143{ 5144 Image 5145 *region_image; 5146 5147 RectangleInfo 5148 region; 5149 5150 assert(wand != (MagickWand *) NULL); 5151 assert(wand->signature == WandSignature); 5152 if (wand->debug != MagickFalse) 5153 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5154 if (wand->images == (Image *) NULL) 5155 return((MagickWand *) NULL); 5156 region.width=width; 5157 region.height=height; 5158 region.x=x; 5159 region.y=y; 5160 region_image=CropImage(wand->images,®ion,wand->exception); 5161 if (region_image == (Image *) NULL) 5162 return((MagickWand *) NULL); 5163 return(CloneMagickWandFromImages(wand,region_image)); 5164} 5165 5166/* 5167%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5168% % 5169% % 5170% % 5171% 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 % 5172% % 5173% % 5174% % 5175%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5176% 5177% MagickGetImageRenderingIntent() gets the image rendering intent. 5178% 5179% The format of the MagickGetImageRenderingIntent method is: 5180% 5181% RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5182% 5183% A description of each parameter follows: 5184% 5185% o wand: the magick wand. 5186% 5187*/ 5188WandExport RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5189{ 5190 assert(wand != (MagickWand *) NULL); 5191 assert(wand->signature == WandSignature); 5192 if (wand->debug != MagickFalse) 5193 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5194 if (wand->images == (Image *) NULL) 5195 { 5196 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5197 "ContainsNoImages","`%s'",wand->name); 5198 return(UndefinedIntent); 5199 } 5200 return((RenderingIntent) wand->images->rendering_intent); 5201} 5202 5203/* 5204%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5205% % 5206% % 5207% % 5208% M a g i c k G e t I m a g e R e s o l u t i o n % 5209% % 5210% % 5211% % 5212%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5213% 5214% MagickGetImageResolution() gets the image X and Y resolution. 5215% 5216% The format of the MagickGetImageResolution method is: 5217% 5218% MagickBooleanType MagickGetImageResolution(MagickWand *wand,double *x, 5219% double *y) 5220% 5221% A description of each parameter follows: 5222% 5223% o wand: the magick wand. 5224% 5225% o x: the image x-resolution. 5226% 5227% o y: the image y-resolution. 5228% 5229*/ 5230WandExport MagickBooleanType MagickGetImageResolution(MagickWand *wand, 5231 double *x,double *y) 5232{ 5233 assert(wand != (MagickWand *) NULL); 5234 assert(wand->signature == WandSignature); 5235 if (wand->debug != MagickFalse) 5236 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5237 if (wand->images == (Image *) NULL) 5238 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5239 *x=wand->images->x_resolution; 5240 *y=wand->images->y_resolution; 5241 return(MagickTrue); 5242} 5243 5244/* 5245%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5246% % 5247% % 5248% % 5249% M a g i c k G e t I m a g e S c e n e % 5250% % 5251% % 5252% % 5253%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5254% 5255% MagickGetImageScene() gets the image scene. 5256% 5257% The format of the MagickGetImageScene method is: 5258% 5259% size_t MagickGetImageScene(MagickWand *wand) 5260% 5261% A description of each parameter follows: 5262% 5263% o wand: the magick wand. 5264% 5265*/ 5266WandExport size_t MagickGetImageScene(MagickWand *wand) 5267{ 5268 assert(wand != (MagickWand *) NULL); 5269 assert(wand->signature == WandSignature); 5270 if (wand->debug != MagickFalse) 5271 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5272 if (wand->images == (Image *) NULL) 5273 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5274 return(wand->images->scene); 5275} 5276 5277/* 5278%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5279% % 5280% % 5281% % 5282% M a g i c k G e t I m a g e S i g n a t u r e % 5283% % 5284% % 5285% % 5286%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5287% 5288% MagickGetImageSignature() generates an SHA-256 message digest for the image 5289% pixel stream. 5290% 5291% The format of the MagickGetImageSignature method is: 5292% 5293% const char MagickGetImageSignature(MagickWand *wand) 5294% 5295% A description of each parameter follows: 5296% 5297% o wand: the magick wand. 5298% 5299*/ 5300WandExport char *MagickGetImageSignature(MagickWand *wand) 5301{ 5302 const char 5303 *value; 5304 5305 MagickBooleanType 5306 status; 5307 5308 assert(wand != (MagickWand *) NULL); 5309 assert(wand->signature == WandSignature); 5310 if (wand->debug != MagickFalse) 5311 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5312 if (wand->images == (Image *) NULL) 5313 { 5314 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5315 "ContainsNoImages","`%s'",wand->name); 5316 return((char *) NULL); 5317 } 5318 status=SignatureImage(wand->images,wand->exception); 5319 if (status == MagickFalse) 5320 return((char *) NULL); 5321 value=GetImageProperty(wand->images,"signature",wand->exception); 5322 if (value == (const char *) NULL) 5323 return((char *) NULL); 5324 return(AcquireString(value)); 5325} 5326 5327/* 5328%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5329% % 5330% % 5331% % 5332% 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 % 5333% % 5334% % 5335% % 5336%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5337% 5338% MagickGetImageTicksPerSecond() gets the image ticks-per-second. 5339% 5340% The format of the MagickGetImageTicksPerSecond method is: 5341% 5342% size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5343% 5344% A description of each parameter follows: 5345% 5346% o wand: the magick wand. 5347% 5348*/ 5349WandExport size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5350{ 5351 assert(wand != (MagickWand *) NULL); 5352 assert(wand->signature == WandSignature); 5353 if (wand->debug != MagickFalse) 5354 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5355 if (wand->images == (Image *) NULL) 5356 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5357 return((size_t) wand->images->ticks_per_second); 5358} 5359 5360/* 5361%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5362% % 5363% % 5364% % 5365% M a g i c k G e t I m a g e T y p e % 5366% % 5367% % 5368% % 5369%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5370% 5371% MagickGetImageType() gets the potential image type: 5372% 5373% Bilevel Grayscale GrayscaleMatte 5374% Palette PaletteMatte TrueColor 5375% TrueColorMatte ColorSeparation ColorSeparationMatte 5376% 5377% To ensure the image type matches its potential, use MagickSetImageType(): 5378% 5379% (void) MagickSetImageType(wand,MagickGetImageType(wand)); 5380% 5381% The format of the MagickGetImageType method is: 5382% 5383% ImageType MagickGetImageType(MagickWand *wand) 5384% 5385% A description of each parameter follows: 5386% 5387% o wand: the magick wand. 5388% 5389*/ 5390WandExport ImageType MagickGetImageType(MagickWand *wand) 5391{ 5392 assert(wand != (MagickWand *) NULL); 5393 assert(wand->signature == WandSignature); 5394 if (wand->debug != MagickFalse) 5395 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5396 if (wand->images == (Image *) NULL) 5397 { 5398 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5399 "ContainsNoImages","`%s'",wand->name); 5400 return(UndefinedType); 5401 } 5402 return(GetImageType(wand->images,wand->exception)); 5403} 5404 5405/* 5406%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5407% % 5408% % 5409% % 5410% M a g i c k G e t I m a g e U n i t s % 5411% % 5412% % 5413% % 5414%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5415% 5416% MagickGetImageUnits() gets the image units of resolution. 5417% 5418% The format of the MagickGetImageUnits method is: 5419% 5420% ResolutionType MagickGetImageUnits(MagickWand *wand) 5421% 5422% A description of each parameter follows: 5423% 5424% o wand: the magick wand. 5425% 5426*/ 5427WandExport ResolutionType MagickGetImageUnits(MagickWand *wand) 5428{ 5429 assert(wand != (MagickWand *) NULL); 5430 assert(wand->signature == WandSignature); 5431 if (wand->debug != MagickFalse) 5432 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5433 if (wand->images == (Image *) NULL) 5434 { 5435 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5436 "ContainsNoImages","`%s'",wand->name); 5437 return(UndefinedResolution); 5438 } 5439 return(wand->images->units); 5440} 5441 5442/* 5443%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5444% % 5445% % 5446% % 5447% 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 % 5448% % 5449% % 5450% % 5451%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5452% 5453% MagickGetImageVirtualPixelMethod() returns the virtual pixel method for the 5454% sepcified image. 5455% 5456% The format of the MagickGetImageVirtualPixelMethod method is: 5457% 5458% VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5459% 5460% A description of each parameter follows: 5461% 5462% o wand: the magick wand. 5463% 5464*/ 5465WandExport VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5466{ 5467 assert(wand != (MagickWand *) NULL); 5468 assert(wand->signature == WandSignature); 5469 if (wand->debug != MagickFalse) 5470 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5471 if (wand->images == (Image *) NULL) 5472 { 5473 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5474 "ContainsNoImages","`%s'",wand->name); 5475 return(UndefinedVirtualPixelMethod); 5476 } 5477 return(GetImageVirtualPixelMethod(wand->images)); 5478} 5479 5480/* 5481%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5482% % 5483% % 5484% % 5485% M a g i c k G e t I m a g e W h i t e P o i n t % 5486% % 5487% % 5488% % 5489%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5490% 5491% MagickGetImageWhitePoint() returns the chromaticy white point. 5492% 5493% The format of the MagickGetImageWhitePoint method is: 5494% 5495% MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand,double *x, 5496% double *y) 5497% 5498% A description of each parameter follows: 5499% 5500% o wand: the magick wand. 5501% 5502% o x: the chromaticity white x-point. 5503% 5504% o y: the chromaticity white y-point. 5505% 5506*/ 5507WandExport MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand, 5508 double *x,double *y) 5509{ 5510 assert(wand != (MagickWand *) NULL); 5511 assert(wand->signature == WandSignature); 5512 if (wand->debug != MagickFalse) 5513 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5514 if (wand->images == (Image *) NULL) 5515 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5516 *x=wand->images->chromaticity.white_point.x; 5517 *y=wand->images->chromaticity.white_point.y; 5518 return(MagickTrue); 5519} 5520 5521/* 5522%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5523% % 5524% % 5525% % 5526% M a g i c k G e t I m a g e W i d t h % 5527% % 5528% % 5529% % 5530%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5531% 5532% MagickGetImageWidth() returns the image width. 5533% 5534% The format of the MagickGetImageWidth method is: 5535% 5536% size_t MagickGetImageWidth(MagickWand *wand) 5537% 5538% A description of each parameter follows: 5539% 5540% o wand: the magick wand. 5541% 5542*/ 5543WandExport size_t MagickGetImageWidth(MagickWand *wand) 5544{ 5545 assert(wand != (MagickWand *) NULL); 5546 assert(wand->signature == WandSignature); 5547 if (wand->debug != MagickFalse) 5548 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5549 if (wand->images == (Image *) NULL) 5550 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5551 return(wand->images->columns); 5552} 5553 5554/* 5555%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5556% % 5557% % 5558% % 5559% M a g i c k G e t N u m b e r I m a g e s % 5560% % 5561% % 5562% % 5563%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5564% 5565% MagickGetNumberImages() returns the number of images associated with a 5566% magick wand. 5567% 5568% The format of the MagickGetNumberImages method is: 5569% 5570% size_t MagickGetNumberImages(MagickWand *wand) 5571% 5572% A description of each parameter follows: 5573% 5574% o wand: the magick wand. 5575% 5576*/ 5577WandExport size_t MagickGetNumberImages(MagickWand *wand) 5578{ 5579 assert(wand != (MagickWand *) NULL); 5580 assert(wand->signature == WandSignature); 5581 if (wand->debug != MagickFalse) 5582 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5583 return(GetImageListLength(wand->images)); 5584} 5585 5586/* 5587%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5588% % 5589% % 5590% % 5591% 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 % 5592% % 5593% % 5594% % 5595%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5596% 5597% MagickGetImageTotalInkDensity() gets the image total ink density. 5598% 5599% The format of the MagickGetImageTotalInkDensity method is: 5600% 5601% double MagickGetImageTotalInkDensity(MagickWand *wand) 5602% 5603% A description of each parameter follows: 5604% 5605% o wand: the magick wand. 5606% 5607*/ 5608WandExport double MagickGetImageTotalInkDensity(MagickWand *wand) 5609{ 5610 assert(wand != (MagickWand *) NULL); 5611 assert(wand->signature == WandSignature); 5612 if (wand->debug != MagickFalse) 5613 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5614 if (wand->images == (Image *) NULL) 5615 { 5616 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5617 "ContainsNoImages","`%s'",wand->name); 5618 return(0.0); 5619 } 5620 return(GetImageTotalInkDensity(wand->images)); 5621} 5622 5623/* 5624%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5625% % 5626% % 5627% % 5628% M a g i c k H a l d C l u t I m a g e % 5629% % 5630% % 5631% % 5632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5633% 5634% MagickHaldClutImage() replaces colors in the image from a Hald color lookup 5635% table. A Hald color lookup table is a 3-dimensional color cube mapped to 2 5636% dimensions. Create it with the HALD coder. You can apply any color 5637% transformation to the Hald image and then use this method to apply the 5638% transform to the image. 5639% 5640% The format of the MagickHaldClutImage method is: 5641% 5642% MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5643% const MagickWand *hald_wand) 5644% 5645% A description of each parameter follows: 5646% 5647% o wand: the magick wand. 5648% 5649% o hald_image: the hald CLUT image. 5650% 5651*/ 5652WandExport MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5653 const MagickWand *hald_wand) 5654{ 5655 MagickBooleanType 5656 status; 5657 5658 assert(wand != (MagickWand *) NULL); 5659 assert(wand->signature == WandSignature); 5660 if (wand->debug != MagickFalse) 5661 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5662 if ((wand->images == (Image *) NULL) || (hald_wand->images == (Image *) NULL)) 5663 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5664 status=HaldClutImage(wand->images,hald_wand->images,wand->exception); 5665 return(status); 5666} 5667 5668/* 5669%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5670% % 5671% % 5672% % 5673% M a g i c k H a s N e x t I m a g e % 5674% % 5675% % 5676% % 5677%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5678% 5679% MagickHasNextImage() returns MagickTrue if the wand has more images when 5680% traversing the list in the forward direction 5681% 5682% The format of the MagickHasNextImage method is: 5683% 5684% MagickBooleanType MagickHasNextImage(MagickWand *wand) 5685% 5686% A description of each parameter follows: 5687% 5688% o wand: the magick wand. 5689% 5690*/ 5691WandExport MagickBooleanType MagickHasNextImage(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 (GetNextImageInList(wand->images) == (Image *) NULL) 5700 return(MagickFalse); 5701 return(MagickTrue); 5702} 5703 5704/* 5705%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5706% % 5707% % 5708% % 5709% M a g i c k H a s P r e v i o u s I m a g e % 5710% % 5711% % 5712% % 5713%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5714% 5715% MagickHasPreviousImage() returns MagickTrue if the wand has more images when 5716% traversing the list in the reverse direction 5717% 5718% The format of the MagickHasPreviousImage method is: 5719% 5720% MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5721% 5722% A description of each parameter follows: 5723% 5724% o wand: the magick wand. 5725% 5726*/ 5727WandExport MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5728{ 5729 assert(wand != (MagickWand *) NULL); 5730 assert(wand->signature == WandSignature); 5731 if (wand->debug != MagickFalse) 5732 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5733 if (wand->images == (Image *) NULL) 5734 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5735 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 5736 return(MagickFalse); 5737 return(MagickTrue); 5738} 5739 5740/* 5741%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5742% % 5743% % 5744% % 5745% M a g i c k I d e n t i f y I m a g e % 5746% % 5747% % 5748% % 5749%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5750% 5751% MagickIdentifyImage() identifies an image by printing its attributes to the 5752% file. Attributes include the image width, height, size, and others. 5753% 5754% The format of the MagickIdentifyImage method is: 5755% 5756% const char *MagickIdentifyImage(MagickWand *wand) 5757% 5758% A description of each parameter follows: 5759% 5760% o wand: the magick wand. 5761% 5762*/ 5763WandExport char *MagickIdentifyImage(MagickWand *wand) 5764{ 5765 char 5766 *description, 5767 filename[MaxTextExtent]; 5768 5769 FILE 5770 *file; 5771 5772 int 5773 unique_file; 5774 5775 assert(wand != (MagickWand *) NULL); 5776 assert(wand->signature == WandSignature); 5777 if (wand->debug != MagickFalse) 5778 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5779 if (wand->images == (Image *) NULL) 5780 { 5781 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5782 "ContainsNoImages","`%s'",wand->name); 5783 return((char *) NULL); 5784 } 5785 description=(char *) NULL; 5786 unique_file=AcquireUniqueFileResource(filename); 5787 file=(FILE *) NULL; 5788 if (unique_file != -1) 5789 file=fdopen(unique_file,"wb"); 5790 if ((unique_file == -1) || (file == (FILE *) NULL)) 5791 { 5792 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5793 "UnableToCreateTemporaryFile","`%s'",wand->name); 5794 return((char *) NULL); 5795 } 5796 (void) IdentifyImage(wand->images,file,MagickTrue,wand->exception); 5797 (void) fclose(file); 5798 description=FileToString(filename,~0,wand->exception); 5799 (void) RelinquishUniqueFileResource(filename); 5800 return(description); 5801} 5802 5803/* 5804%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5805% % 5806% % 5807% % 5808% M a g i c k I m p l o d e I m a g e % 5809% % 5810% % 5811% % 5812%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5813% 5814% MagickImplodeImage() creates a new image that is a copy of an existing 5815% one with the image pixels "implode" by the specified percentage. It 5816% allocates the memory necessary for the new Image structure and returns a 5817% pointer to the new image. 5818% 5819% The format of the MagickImplodeImage method is: 5820% 5821% MagickBooleanType MagickImplodeImage(MagickWand *wand, 5822% const double radius,const PixelInterpolateMethod method) 5823% 5824% A description of each parameter follows: 5825% 5826% o wand: the magick wand. 5827% 5828% o amount: Define the extent of the implosion. 5829% 5830% o method: the pixel interpolation method. 5831% 5832*/ 5833WandExport MagickBooleanType MagickImplodeImage(MagickWand *wand, 5834 const double amount,const PixelInterpolateMethod method) 5835{ 5836 Image 5837 *implode_image; 5838 5839 assert(wand != (MagickWand *) NULL); 5840 assert(wand->signature == WandSignature); 5841 if (wand->debug != MagickFalse) 5842 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5843 if (wand->images == (Image *) NULL) 5844 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5845 implode_image=ImplodeImage(wand->images,amount,method,wand->exception); 5846 if (implode_image == (Image *) NULL) 5847 return(MagickFalse); 5848 ReplaceImageInList(&wand->images,implode_image); 5849 return(MagickTrue); 5850} 5851 5852/* 5853%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5854% % 5855% % 5856% % 5857% M a g i c k I m p o r t I m a g e P i x e l s % 5858% % 5859% % 5860% % 5861%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5862% 5863% MagickImportImagePixels() accepts pixel datand stores it in the image at the 5864% location you specify. The method returns MagickFalse on success otherwise 5865% MagickTrue if an error is encountered. The pixel data can be either char, 5866% short int, int, ssize_t, float, or double in the order specified by map. 5867% 5868% Suppose your want to upload the first scanline of a 640x480 image from 5869% character data in red-green-blue order: 5870% 5871% MagickImportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 5872% 5873% The format of the MagickImportImagePixels method is: 5874% 5875% MagickBooleanType MagickImportImagePixels(MagickWand *wand, 5876% const ssize_t x,const ssize_t y,const size_t columns, 5877% const size_t rows,const char *map,const StorageType storage, 5878% const void *pixels) 5879% 5880% A description of each parameter follows: 5881% 5882% o wand: the magick wand. 5883% 5884% o x, y, columns, rows: These values define the perimeter of a region 5885% of pixels you want to define. 5886% 5887% o map: This string reflects the expected ordering of the pixel array. 5888% It can be any combination or order of R = red, G = green, B = blue, 5889% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 5890% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 5891% P = pad. 5892% 5893% o storage: Define the data type of the pixels. Float and double types are 5894% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 5895% these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, 5896% or DoublePixel. 5897% 5898% o pixels: This array of values contain the pixel components as defined by 5899% map and type. You must preallocate this array where the expected 5900% length varies depending on the values of width, height, map, and type. 5901% 5902*/ 5903WandExport MagickBooleanType MagickImportImagePixels(MagickWand *wand, 5904 const ssize_t x,const ssize_t y,const size_t columns,const size_t rows, 5905 const char *map,const StorageType storage,const void *pixels) 5906{ 5907 MagickBooleanType 5908 status; 5909 5910 assert(wand != (MagickWand *) NULL); 5911 assert(wand->signature == WandSignature); 5912 if (wand->debug != MagickFalse) 5913 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5914 if (wand->images == (Image *) NULL) 5915 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5916 status=ImportImagePixels(wand->images,x,y,columns,rows,map,storage,pixels, 5917 wand->exception); 5918 return(status); 5919} 5920 5921/* 5922%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5923% % 5924% % 5925% % 5926% 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 % 5927% % 5928% % 5929% % 5930%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5931% 5932% MagickInverseFourierTransformImage() implements the inverse discrete 5933% Fourier transform (DFT) of the image either as a magnitude / phase or real / 5934% imaginary image pair. 5935% 5936% The format of the MagickInverseFourierTransformImage method is: 5937% 5938% MagickBooleanType MagickInverseFourierTransformImage( 5939% MagickWand *magnitude_wand,MagickWand *phase_wand, 5940% const MagickBooleanType magnitude) 5941% 5942% A description of each parameter follows: 5943% 5944% o magnitude_wand: the magnitude or real wand. 5945% 5946% o phase_wand: the phase or imaginary wand. 5947% 5948% o magnitude: if true, return as magnitude / phase pair otherwise a real / 5949% imaginary image pair. 5950% 5951*/ 5952WandExport MagickBooleanType MagickInverseFourierTransformImage( 5953 MagickWand *magnitude_wand,MagickWand *phase_wand, 5954 const MagickBooleanType magnitude) 5955{ 5956 Image 5957 *inverse_image; 5958 5959 MagickWand 5960 *wand; 5961 5962 assert(magnitude_wand != (MagickWand *) NULL); 5963 assert(magnitude_wand->signature == WandSignature); 5964 if (magnitude_wand->debug != MagickFalse) 5965 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", 5966 magnitude_wand->name); 5967 wand=magnitude_wand; 5968 if (magnitude_wand->images == (Image *) NULL) 5969 ThrowWandException(WandError,"ContainsNoImages", 5970 magnitude_wand->name); 5971 assert(phase_wand != (MagickWand *) NULL); 5972 assert(phase_wand->signature == WandSignature); 5973 inverse_image=InverseFourierTransformImage(magnitude_wand->images, 5974 phase_wand->images,magnitude,wand->exception); 5975 if (inverse_image == (Image *) NULL) 5976 return(MagickFalse); 5977 ReplaceImageInList(&wand->images,inverse_image); 5978 return(MagickTrue); 5979} 5980 5981/* 5982%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5983% % 5984% % 5985% % 5986% M a g i c k L a b e l I m a g e % 5987% % 5988% % 5989% % 5990%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5991% 5992% MagickLabelImage() adds a label to your image. 5993% 5994% The format of the MagickLabelImage method is: 5995% 5996% MagickBooleanType MagickLabelImage(MagickWand *wand,const char *label) 5997% 5998% A description of each parameter follows: 5999% 6000% o wand: the magick wand. 6001% 6002% o label: the image label. 6003% 6004*/ 6005WandExport MagickBooleanType MagickLabelImage(MagickWand *wand, 6006 const char *label) 6007{ 6008 MagickBooleanType 6009 status; 6010 6011 assert(wand != (MagickWand *) NULL); 6012 assert(wand->signature == WandSignature); 6013 if (wand->debug != MagickFalse) 6014 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6015 if (wand->images == (Image *) NULL) 6016 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6017 status=SetImageProperty(wand->images,"label",label,wand->exception); 6018 return(status); 6019} 6020 6021/* 6022%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6023% % 6024% % 6025% % 6026% M a g i c k L e v e l I m a g e % 6027% % 6028% % 6029% % 6030%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6031% 6032% MagickLevelImage() adjusts the levels of an image by scaling the colors 6033% falling between specified white and black points to the full available 6034% quantum range. The parameters provided represent the black, mid, and white 6035% points. The black point specifies the darkest color in the image. Colors 6036% darker than the black point are set to zero. Mid point specifies a gamma 6037% correction to apply to the image. White point specifies the lightest color 6038% in the image. Colors brighter than the white point are set to the maximum 6039% quantum value. 6040% 6041% The format of the MagickLevelImage method is: 6042% 6043% MagickBooleanType MagickLevelImage(MagickWand *wand, 6044% const double black_point,const double gamma,const double white_point) 6045% MagickBooleanType MagickLevelImage(MagickWand *wand, 6046% const ChannelType channel,const double black_point,const double gamma, 6047% const double white_point) 6048% 6049% A description of each parameter follows: 6050% 6051% o wand: the magick wand. 6052% 6053% o channel: Identify which channel to level: RedChannel, GreenChannel, 6054% 6055% o black_point: the black point. 6056% 6057% o gamma: the gamma. 6058% 6059% o white_point: the white point. 6060% 6061*/ 6062WandExport MagickBooleanType MagickLevelImage(MagickWand *wand, 6063 const double black_point,const double gamma,const double white_point) 6064{ 6065 MagickBooleanType 6066 status; 6067 6068 assert(wand != (MagickWand *) NULL); 6069 assert(wand->signature == WandSignature); 6070 if (wand->debug != MagickFalse) 6071 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6072 if (wand->images == (Image *) NULL) 6073 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6074 status=LevelImage(wand->images,black_point,white_point,gamma, 6075 wand->exception); 6076 return(status); 6077} 6078 6079/* 6080%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6081% % 6082% % 6083% % 6084% M a g i c k L i n e a r S t r e t c h I m a g e % 6085% % 6086% % 6087% % 6088%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6089% 6090% MagickLinearStretchImage() stretches with saturation the image intensity. 6091% 6092% You can also reduce the influence of a particular channel with a gamma 6093% value of 0. 6094% 6095% The format of the MagickLinearStretchImage method is: 6096% 6097% MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6098% const double black_point,const double white_point) 6099% 6100% A description of each parameter follows: 6101% 6102% o wand: the magick wand. 6103% 6104% o black_point: the black point. 6105% 6106% o white_point: the white point. 6107% 6108*/ 6109WandExport MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6110 const double black_point,const double white_point) 6111{ 6112 MagickBooleanType 6113 status; 6114 6115 assert(wand != (MagickWand *) NULL); 6116 assert(wand->signature == WandSignature); 6117 if (wand->debug != MagickFalse) 6118 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6119 if (wand->images == (Image *) NULL) 6120 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6121 status=LinearStretchImage(wand->images,black_point,white_point, 6122 wand->exception); 6123 return(status); 6124} 6125 6126/* 6127%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6128% % 6129% % 6130% % 6131% M a g i c k L i q u i d R e s c a l e I m a g e % 6132% % 6133% % 6134% % 6135%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6136% 6137% MagickLiquidRescaleImage() rescales image with seam carving. 6138% 6139% MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6140% const size_t columns,const size_t rows, 6141% const double delta_x,const double rigidity) 6142% 6143% A description of each parameter follows: 6144% 6145% o wand: the magick wand. 6146% 6147% o columns: the number of columns in the scaled image. 6148% 6149% o rows: the number of rows in the scaled image. 6150% 6151% o delta_x: maximum seam transversal step (0 means straight seams). 6152% 6153% o rigidity: introduce a bias for non-straight seams (typically 0). 6154% 6155*/ 6156WandExport MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6157 const size_t columns,const size_t rows,const double delta_x, 6158 const double rigidity) 6159{ 6160 Image 6161 *rescale_image; 6162 6163 assert(wand != (MagickWand *) NULL); 6164 assert(wand->signature == WandSignature); 6165 if (wand->debug != MagickFalse) 6166 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6167 if (wand->images == (Image *) NULL) 6168 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6169 rescale_image=LiquidRescaleImage(wand->images,columns,rows,delta_x, 6170 rigidity,wand->exception); 6171 if (rescale_image == (Image *) NULL) 6172 return(MagickFalse); 6173 ReplaceImageInList(&wand->images,rescale_image); 6174 return(MagickTrue); 6175} 6176 6177/* 6178%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6179% % 6180% % 6181% % 6182% M a g i c k M a g n i f y I m a g e % 6183% % 6184% % 6185% % 6186%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6187% 6188% MagickMagnifyImage() is a convenience method that scales an image 6189% proportionally to twice its original size. 6190% 6191% The format of the MagickMagnifyImage method is: 6192% 6193% MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6194% 6195% A description of each parameter follows: 6196% 6197% o wand: the magick wand. 6198% 6199*/ 6200WandExport MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6201{ 6202 Image 6203 *magnify_image; 6204 6205 assert(wand != (MagickWand *) NULL); 6206 assert(wand->signature == WandSignature); 6207 if (wand->debug != MagickFalse) 6208 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6209 if (wand->images == (Image *) NULL) 6210 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6211 magnify_image=MagnifyImage(wand->images,wand->exception); 6212 if (magnify_image == (Image *) NULL) 6213 return(MagickFalse); 6214 ReplaceImageInList(&wand->images,magnify_image); 6215 return(MagickTrue); 6216} 6217 6218/* 6219%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6220% % 6221% % 6222% % 6223% M a g i c k M e r g e I m a g e L a y e r s % 6224% % 6225% % 6226% % 6227%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6228% 6229% MagickMergeImageLayers() composes all the image layers from the current 6230% given image onward to produce a single image of the merged layers. 6231% 6232% The inital canvas's size depends on the given ImageLayerMethod, and is 6233% initialized using the first images background color. The images 6234% are then compositied onto that image in sequence using the given 6235% composition that has been assigned to each individual image. 6236% 6237% The format of the MagickMergeImageLayers method is: 6238% 6239% MagickWand *MagickMergeImageLayers(MagickWand *wand, 6240% const ImageLayerMethod method) 6241% 6242% A description of each parameter follows: 6243% 6244% o wand: the magick wand. 6245% 6246% o method: the method of selecting the size of the initial canvas. 6247% 6248% MergeLayer: Merge all layers onto a canvas just large enough 6249% to hold all the actual images. The virtual canvas of the 6250% first image is preserved but otherwise ignored. 6251% 6252% FlattenLayer: Use the virtual canvas size of first image. 6253% Images which fall outside this canvas is clipped. 6254% This can be used to 'fill out' a given virtual canvas. 6255% 6256% MosaicLayer: Start with the virtual canvas of the first image, 6257% enlarging left and right edges to contain all images. 6258% Images with negative offsets will be clipped. 6259% 6260*/ 6261WandExport MagickWand *MagickMergeImageLayers(MagickWand *wand, 6262 const ImageLayerMethod method) 6263{ 6264 Image 6265 *mosaic_image; 6266 6267 assert(wand != (MagickWand *) NULL); 6268 assert(wand->signature == WandSignature); 6269 if (wand->debug != MagickFalse) 6270 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6271 if (wand->images == (Image *) NULL) 6272 return((MagickWand *) NULL); 6273 mosaic_image=MergeImageLayers(wand->images,method,wand->exception); 6274 if (mosaic_image == (Image *) NULL) 6275 return((MagickWand *) NULL); 6276 return(CloneMagickWandFromImages(wand,mosaic_image)); 6277} 6278 6279/* 6280%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6281% % 6282% % 6283% % 6284% M a g i c k M i n i f y I m a g e % 6285% % 6286% % 6287% % 6288%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6289% 6290% MagickMinifyImage() is a convenience method that scales an image 6291% proportionally to one-half its original size 6292% 6293% The format of the MagickMinifyImage method is: 6294% 6295% MagickBooleanType MagickMinifyImage(MagickWand *wand) 6296% 6297% A description of each parameter follows: 6298% 6299% o wand: the magick wand. 6300% 6301*/ 6302WandExport MagickBooleanType MagickMinifyImage(MagickWand *wand) 6303{ 6304 Image 6305 *minify_image; 6306 6307 assert(wand != (MagickWand *) NULL); 6308 assert(wand->signature == WandSignature); 6309 if (wand->debug != MagickFalse) 6310 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6311 if (wand->images == (Image *) NULL) 6312 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6313 minify_image=MinifyImage(wand->images,wand->exception); 6314 if (minify_image == (Image *) NULL) 6315 return(MagickFalse); 6316 ReplaceImageInList(&wand->images,minify_image); 6317 return(MagickTrue); 6318} 6319 6320/* 6321%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6322% % 6323% % 6324% % 6325% M a g i c k M o d u l a t e I m a g e % 6326% % 6327% % 6328% % 6329%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6330% 6331% MagickModulateImage() lets you control the brightness, saturation, and hue 6332% of an image. Hue is the percentage of absolute rotation from the current 6333% position. For example 50 results in a counter-clockwise rotation of 90 6334% degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 6335% both resulting in a rotation of 180 degrees. 6336% 6337% To increase the color brightness by 20% and decrease the color saturation by 6338% 10% and leave the hue unchanged, use: 120,90,100. 6339% 6340% The format of the MagickModulateImage method is: 6341% 6342% MagickBooleanType MagickModulateImage(MagickWand *wand, 6343% const double brightness,const double saturation,const double hue) 6344% 6345% A description of each parameter follows: 6346% 6347% o wand: the magick wand. 6348% 6349% o brightness: the percent change in brighness. 6350% 6351% o saturation: the percent change in saturation. 6352% 6353% o hue: the percent change in hue. 6354% 6355*/ 6356WandExport MagickBooleanType MagickModulateImage(MagickWand *wand, 6357 const double brightness,const double saturation,const double hue) 6358{ 6359 char 6360 modulate[MaxTextExtent]; 6361 6362 MagickBooleanType 6363 status; 6364 6365 assert(wand != (MagickWand *) NULL); 6366 assert(wand->signature == WandSignature); 6367 if (wand->debug != MagickFalse) 6368 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6369 if (wand->images == (Image *) NULL) 6370 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6371 (void) FormatLocaleString(modulate,MaxTextExtent,"%g,%g,%g", 6372 brightness,saturation,hue); 6373 status=ModulateImage(wand->images,modulate,wand->exception); 6374 return(status); 6375} 6376 6377/* 6378%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6379% % 6380% % 6381% % 6382% M a g i c k M o n t a g e I m a g e % 6383% % 6384% % 6385% % 6386%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6387% 6388% MagickMontageImage() creates a composite image by combining several 6389% separate images. The images are tiled on the composite image with the name 6390% of the image optionally appearing just below the individual tile. 6391% 6392% The format of the MagickMontageImage method is: 6393% 6394% MagickWand *MagickMontageImage(MagickWand *wand, 6395% const DrawingWand drawing_wand,const char *tile_geometry, 6396% const char *thumbnail_geometry,const MontageMode mode, 6397% const char *frame) 6398% 6399% A description of each parameter follows: 6400% 6401% o wand: the magick wand. 6402% 6403% o drawing_wand: the drawing wand. The font name, size, and color are 6404% obtained from this wand. 6405% 6406% o tile_geometry: the number of tiles per row and page (e.g. 6x4+0+0). 6407% 6408% o thumbnail_geometry: Preferred image size and border size of each 6409% thumbnail (e.g. 120x120+4+3>). 6410% 6411% o mode: Thumbnail framing mode: Frame, Unframe, or Concatenate. 6412% 6413% o frame: Surround the image with an ornamental border (e.g. 15x15+3+3). 6414% The frame color is that of the thumbnail's matte color. 6415% 6416*/ 6417WandExport MagickWand *MagickMontageImage(MagickWand *wand, 6418 const DrawingWand *drawing_wand,const char *tile_geometry, 6419 const char *thumbnail_geometry,const MontageMode mode,const char *frame) 6420{ 6421 char 6422 *font; 6423 6424 Image 6425 *montage_image; 6426 6427 MontageInfo 6428 *montage_info; 6429 6430 PixelWand 6431 *pixel_wand; 6432 6433 assert(wand != (MagickWand *) NULL); 6434 assert(wand->signature == WandSignature); 6435 if (wand->debug != MagickFalse) 6436 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6437 if (wand->images == (Image *) NULL) 6438 return((MagickWand *) NULL); 6439 montage_info=CloneMontageInfo(wand->image_info,(MontageInfo *) NULL); 6440 switch (mode) 6441 { 6442 case FrameMode: 6443 { 6444 (void) CloneString(&montage_info->frame,"15x15+3+3"); 6445 montage_info->shadow=MagickTrue; 6446 break; 6447 } 6448 case UnframeMode: 6449 { 6450 montage_info->frame=(char *) NULL; 6451 montage_info->shadow=MagickFalse; 6452 montage_info->border_width=0; 6453 break; 6454 } 6455 case ConcatenateMode: 6456 { 6457 montage_info->frame=(char *) NULL; 6458 montage_info->shadow=MagickFalse; 6459 (void) CloneString(&montage_info->geometry,"+0+0"); 6460 montage_info->border_width=0; 6461 break; 6462 } 6463 default: 6464 break; 6465 } 6466 font=DrawGetFont(drawing_wand); 6467 if (font != (char *) NULL) 6468 (void) CloneString(&montage_info->font,font); 6469 if (frame != (char *) NULL) 6470 (void) CloneString(&montage_info->frame,frame); 6471 montage_info->pointsize=DrawGetFontSize(drawing_wand); 6472 pixel_wand=NewPixelWand(); 6473 DrawGetFillColor(drawing_wand,pixel_wand); 6474 PixelGetQuantumPacket(pixel_wand,&montage_info->fill); 6475 DrawGetStrokeColor(drawing_wand,pixel_wand); 6476 PixelGetQuantumPacket(pixel_wand,&montage_info->stroke); 6477 pixel_wand=DestroyPixelWand(pixel_wand); 6478 if (thumbnail_geometry != (char *) NULL) 6479 (void) CloneString(&montage_info->geometry,thumbnail_geometry); 6480 if (tile_geometry != (char *) NULL) 6481 (void) CloneString(&montage_info->tile,tile_geometry); 6482 montage_image=MontageImageList(wand->image_info,montage_info,wand->images, 6483 wand->exception); 6484 montage_info=DestroyMontageInfo(montage_info); 6485 if (montage_image == (Image *) NULL) 6486 return((MagickWand *) NULL); 6487 return(CloneMagickWandFromImages(wand,montage_image)); 6488} 6489 6490/* 6491%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6492% % 6493% % 6494% % 6495% M a g i c k M o r p h I m a g e s % 6496% % 6497% % 6498% % 6499%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6500% 6501% MagickMorphImages() method morphs a set of images. Both the image pixels 6502% and size are linearly interpolated to give the appearance of a 6503% meta-morphosis from one image to the next. 6504% 6505% The format of the MagickMorphImages method is: 6506% 6507% MagickWand *MagickMorphImages(MagickWand *wand, 6508% const size_t number_frames) 6509% 6510% A description of each parameter follows: 6511% 6512% o wand: the magick wand. 6513% 6514% o number_frames: the number of in-between images to generate. 6515% 6516*/ 6517WandExport MagickWand *MagickMorphImages(MagickWand *wand, 6518 const size_t number_frames) 6519{ 6520 Image 6521 *morph_image; 6522 6523 assert(wand != (MagickWand *) NULL); 6524 assert(wand->signature == WandSignature); 6525 if (wand->debug != MagickFalse) 6526 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6527 if (wand->images == (Image *) NULL) 6528 return((MagickWand *) NULL); 6529 morph_image=MorphImages(wand->images,number_frames,wand->exception); 6530 if (morph_image == (Image *) NULL) 6531 return((MagickWand *) NULL); 6532 return(CloneMagickWandFromImages(wand,morph_image)); 6533} 6534 6535/* 6536%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6537% % 6538% % 6539% % 6540% M a g i c k M o r p h o l o g y I m a g e % 6541% % 6542% % 6543% % 6544%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6545% 6546% MagickMorphologyImage() applies a user supplied kernel to the image 6547% according to the given mophology method. 6548% 6549% The format of the MagickMorphologyImage method is: 6550% 6551% MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6552% MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6553% 6554% A description of each parameter follows: 6555% 6556% o wand: the magick wand. 6557% 6558% o method: the morphology method to be applied. 6559% 6560% o iterations: apply the operation this many times (or no change). 6561% A value of -1 means loop until no change found. How this is applied 6562% may depend on the morphology method. Typically this is a value of 1. 6563% 6564% o kernel: An array of doubles representing the morphology kernel. 6565% 6566*/ 6567WandExport MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6568 MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6569{ 6570 Image 6571 *morphology_image; 6572 6573 assert(wand != (MagickWand *) NULL); 6574 assert(wand->signature == WandSignature); 6575 if (wand->debug != MagickFalse) 6576 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6577 if (kernel == (const KernelInfo *) NULL) 6578 return(MagickFalse); 6579 if (wand->images == (Image *) NULL) 6580 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6581 morphology_image=MorphologyImage(wand->images,method,iterations,kernel, 6582 wand->exception); 6583 if (morphology_image == (Image *) NULL) 6584 return(MagickFalse); 6585 ReplaceImageInList(&wand->images,morphology_image); 6586 return(MagickTrue); 6587} 6588 6589/* 6590%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6591% % 6592% % 6593% % 6594% M a g i c k M o t i o n B l u r I m a g e % 6595% % 6596% % 6597% % 6598%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6599% 6600% MagickMotionBlurImage() simulates motion blur. We convolve the image with a 6601% Gaussian operator of the given radius and standard deviation (sigma). 6602% For reasonable results, radius should be larger than sigma. Use a 6603% radius of 0 and MotionBlurImage() selects a suitable radius for you. 6604% Angle gives the angle of the blurring motion. 6605% 6606% The format of the MagickMotionBlurImage method is: 6607% 6608% MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6609% const double radius,const double sigma,const double angle, 6610% const double bias) 6611% 6612% A description of each parameter follows: 6613% 6614% o wand: the magick wand. 6615% 6616% o radius: the radius of the Gaussian, in pixels, not counting 6617% the center pixel. 6618% 6619% o sigma: the standard deviation of the Gaussian, in pixels. 6620% 6621% o angle: Apply the effect along this angle. 6622% 6623*/ 6624WandExport MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6625 const double radius,const double sigma,const double angle,const double bias) 6626{ 6627 Image 6628 *blur_image; 6629 6630 assert(wand != (MagickWand *) NULL); 6631 assert(wand->signature == WandSignature); 6632 if (wand->debug != MagickFalse) 6633 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6634 if (wand->images == (Image *) NULL) 6635 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6636 blur_image=MotionBlurImage(wand->images,radius,sigma,angle,bias, 6637 wand->exception); 6638 if (blur_image == (Image *) NULL) 6639 return(MagickFalse); 6640 ReplaceImageInList(&wand->images,blur_image); 6641 return(MagickTrue); 6642} 6643 6644/* 6645%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6646% % 6647% % 6648% % 6649% M a g i c k N e g a t e I m a g e % 6650% % 6651% % 6652% % 6653%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6654% 6655% MagickNegateImage() negates the colors in the reference image. The 6656% Grayscale option means that only grayscale values within the image are 6657% negated. 6658% 6659% You can also reduce the influence of a particular channel with a gamma 6660% value of 0. 6661% 6662% The format of the MagickNegateImage method is: 6663% 6664% MagickBooleanType MagickNegateImage(MagickWand *wand, 6665% const MagickBooleanType gray) 6666% 6667% A description of each parameter follows: 6668% 6669% o wand: the magick wand. 6670% 6671% o gray: If MagickTrue, only negate grayscale pixels within the image. 6672% 6673*/ 6674WandExport MagickBooleanType MagickNegateImage(MagickWand *wand, 6675 const MagickBooleanType gray) 6676{ 6677 MagickBooleanType 6678 status; 6679 6680 assert(wand != (MagickWand *) NULL); 6681 assert(wand->signature == WandSignature); 6682 if (wand->debug != MagickFalse) 6683 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6684 if (wand->images == (Image *) NULL) 6685 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6686 status=NegateImage(wand->images,gray,wand->exception); 6687 return(status); 6688} 6689 6690/* 6691%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6692% % 6693% % 6694% % 6695% M a g i c k N e w I m a g e % 6696% % 6697% % 6698% % 6699%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6700% 6701% MagickNewImage() adds a blank image canvas of the specified size and 6702% background color to the wand. 6703% 6704% The format of the MagickNewImage method is: 6705% 6706% MagickBooleanType MagickNewImage(MagickWand *wand, 6707% const size_t columns,const size_t rows, 6708% const PixelWand *background) 6709% 6710% A description of each parameter follows: 6711% 6712% o wand: the magick wand. 6713% 6714% o width: the image width. 6715% 6716% o height: the image height. 6717% 6718% o background: the image color. 6719% 6720*/ 6721WandExport MagickBooleanType MagickNewImage(MagickWand *wand,const size_t width, 6722 const size_t height,const PixelWand *background) 6723{ 6724 Image 6725 *images; 6726 6727 PixelInfo 6728 pixel; 6729 6730 assert(wand != (MagickWand *) NULL); 6731 assert(wand->signature == WandSignature); 6732 if (wand->debug != MagickFalse) 6733 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6734 PixelGetMagickColor(background,&pixel); 6735 images=NewMagickImage(wand->image_info,width,height,&pixel,wand->exception); 6736 if (images == (Image *) NULL) 6737 return(MagickFalse); 6738 return(InsertImageInWand(wand,images)); 6739} 6740 6741/* 6742%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6743% % 6744% % 6745% % 6746% M a g i c k N e x t I m a g e % 6747% % 6748% % 6749% % 6750%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6751% 6752% MagickNextImage() associates the next image in the image list with a magick 6753% wand. It returns true if the it succeeds, meaning the current image is the 6754% next image to be iterated over. 6755% 6756% The format of the MagickNextImage method is: 6757% 6758% MagickBooleanType MagickNextImage(MagickWand *wand) 6759% 6760% A description of each parameter follows: 6761% 6762% o wand: the magick wand. 6763% 6764*/ 6765WandExport MagickBooleanType MagickNextImage(MagickWand *wand) 6766{ 6767 assert(wand != (MagickWand *) NULL); 6768 assert(wand->signature == WandSignature); 6769 if (wand->debug != MagickFalse) 6770 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6771 if (wand->images == (Image *) NULL) 6772 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6773 /* If current image is 'pending' just return true. */ 6774 if (wand->image_pending != MagickFalse) 6775 { 6776 wand->image_pending=MagickFalse; 6777 return(MagickTrue); 6778 } 6779 /* If there is no next image, (Iterator is finished) */ 6780 if (GetNextImageInList(wand->images) == (Image *) NULL) 6781 return(MagickFalse); 6782 /* just move to next image - current image is not 'pending' */ 6783 wand->images=GetNextImageInList(wand->images); 6784 return(MagickTrue); 6785} 6786 6787/* 6788%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6789% % 6790% % 6791% % 6792% M a g i c k N o r m a l i z e I m a g e % 6793% % 6794% % 6795% % 6796%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6797% 6798% MagickNormalizeImage() enhances the contrast of a color image by adjusting 6799% the pixels color to span the entire range of colors available 6800% 6801% You can also reduce the influence of a particular channel with a gamma 6802% value of 0. 6803% 6804% The format of the MagickNormalizeImage method is: 6805% 6806% MagickBooleanType MagickNormalizeImage(MagickWand *wand) 6807% 6808% A description of each parameter follows: 6809% 6810% o wand: the magick wand. 6811% 6812*/ 6813WandExport MagickBooleanType MagickNormalizeImage(MagickWand *wand) 6814{ 6815 MagickBooleanType 6816 status; 6817 6818 assert(wand != (MagickWand *) NULL); 6819 assert(wand->signature == WandSignature); 6820 if (wand->debug != MagickFalse) 6821 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6822 if (wand->images == (Image *) NULL) 6823 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6824 status=NormalizeImage(wand->images,wand->exception); 6825 return(status); 6826} 6827 6828/* 6829%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6830% % 6831% % 6832% % 6833% M a g i c k O i l P a i n t I m a g e % 6834% % 6835% % 6836% % 6837%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6838% 6839% MagickOilPaintImage() applies a special effect filter that simulates an oil 6840% painting. Each pixel is replaced by the most frequent color occurring 6841% in a circular region defined by radius. 6842% 6843% The format of the MagickOilPaintImage method is: 6844% 6845% MagickBooleanType MagickOilPaintImage(MagickWand *wand, 6846% const double radius,const double sigma) 6847% 6848% A description of each parameter follows: 6849% 6850% o wand: the magick wand. 6851% 6852% o radius: the radius of the circular neighborhood. 6853% 6854% o sigma: the standard deviation of the Gaussian, in pixels. 6855% 6856*/ 6857WandExport MagickBooleanType MagickOilPaintImage(MagickWand *wand, 6858 const double radius,const double sigma) 6859{ 6860 Image 6861 *paint_image; 6862 6863 assert(wand != (MagickWand *) NULL); 6864 assert(wand->signature == WandSignature); 6865 if (wand->debug != MagickFalse) 6866 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6867 if (wand->images == (Image *) NULL) 6868 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6869 paint_image=OilPaintImage(wand->images,radius,sigma,wand->exception); 6870 if (paint_image == (Image *) NULL) 6871 return(MagickFalse); 6872 ReplaceImageInList(&wand->images,paint_image); 6873 return(MagickTrue); 6874} 6875 6876/* 6877%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6878% % 6879% % 6880% % 6881% M a g i c k O p a q u e P a i n t I m a g e % 6882% % 6883% % 6884% % 6885%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6886% 6887% MagickOpaquePaintImage() changes any pixel that matches color with the color 6888% defined by fill. 6889% 6890% The format of the MagickOpaquePaintImage method is: 6891% 6892% MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 6893% const PixelWand *target,const PixelWand *fill,const double fuzz, 6894% const MagickBooleanType invert) 6895% 6896% A description of each parameter follows: 6897% 6898% o wand: the magick wand. 6899% 6900% o target: Change this target color to the fill color within the image. 6901% 6902% o fill: the fill pixel wand. 6903% 6904% o fuzz: By default target must match a particular pixel color 6905% exactly. However, in many cases two colors may differ by a small amount. 6906% The fuzz member of image defines how much tolerance is acceptable to 6907% consider two colors as the same. For example, set fuzz to 10 and the 6908% color red at intensities of 100 and 102 respectively are now interpreted 6909% as the same color for the purposes of the floodfill. 6910% 6911% o invert: paint any pixel that does not match the target color. 6912% 6913*/ 6914WandExport MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 6915 const PixelWand *target,const PixelWand *fill,const double fuzz, 6916 const MagickBooleanType invert) 6917{ 6918 MagickBooleanType 6919 status; 6920 6921 PixelInfo 6922 fill_pixel, 6923 target_pixel; 6924 6925 assert(wand != (MagickWand *) NULL); 6926 assert(wand->signature == WandSignature); 6927 if (wand->debug != MagickFalse) 6928 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6929 if (wand->images == (Image *) NULL) 6930 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6931 PixelGetMagickColor(target,&target_pixel); 6932 PixelGetMagickColor(fill,&fill_pixel); 6933 wand->images->fuzz=fuzz; 6934 status=OpaquePaintImage(wand->images,&target_pixel,&fill_pixel,invert, 6935 wand->exception); 6936 return(status); 6937} 6938 6939/* 6940%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6941% % 6942% % 6943% % 6944% 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 % 6945% % 6946% % 6947% % 6948%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6949% 6950% MagickOptimizeImageLayers() compares each image the GIF disposed forms of the 6951% previous image in the sequence. From this it attempts to select the 6952% smallest cropped image to replace each frame, while preserving the results 6953% of the animation. 6954% 6955% The format of the MagickOptimizeImageLayers method is: 6956% 6957% MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 6958% 6959% A description of each parameter follows: 6960% 6961% o wand: the magick wand. 6962% 6963*/ 6964WandExport MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 6965{ 6966 Image 6967 *optimize_image; 6968 6969 assert(wand != (MagickWand *) NULL); 6970 assert(wand->signature == WandSignature); 6971 if (wand->debug != MagickFalse) 6972 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6973 if (wand->images == (Image *) NULL) 6974 return((MagickWand *) NULL); 6975 optimize_image=OptimizeImageLayers(wand->images,wand->exception); 6976 if (optimize_image == (Image *) NULL) 6977 return((MagickWand *) NULL); 6978 return(CloneMagickWandFromImages(wand,optimize_image)); 6979} 6980 6981/* 6982%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6983% % 6984% % 6985% % 6986% 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 % 6987% % 6988% % 6989% % 6990%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6991% 6992% MagickOrderedPosterizeImage() performs an ordered dither based on a number 6993% of pre-defined dithering threshold maps, but over multiple intensity levels, 6994% which can be different for different channels, according to the input 6995% arguments. 6996% 6997% The format of the MagickOrderedPosterizeImage method is: 6998% 6999% MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 7000% const char *threshold_map) 7001% 7002% A description of each parameter follows: 7003% 7004% o image: the image. 7005% 7006% o threshold_map: A string containing the name of the threshold dither 7007% map to use, followed by zero or more numbers representing the number of 7008% color levels tho dither between. 7009% 7010% Any level number less than 2 is equivalent to 2, and means only binary 7011% dithering will be applied to each color channel. 7012% 7013% No numbers also means a 2 level (bitmap) dither will be applied to all 7014% channels, while a single number is the number of levels applied to each 7015% channel in sequence. More numbers will be applied in turn to each of 7016% the color channels. 7017% 7018% For example: "o3x3,6" generates a 6 level posterization of the image 7019% with a ordered 3x3 diffused pixel dither being applied between each 7020% level. While checker,8,8,4 will produce a 332 colormaped image with 7021% only a single checkerboard hash pattern (50% grey) between each color 7022% level, to basically double the number of color levels with a bare 7023% minimim of dithering. 7024% 7025*/ 7026WandExport MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 7027 const char *threshold_map) 7028{ 7029 MagickBooleanType 7030 status; 7031 7032 assert(wand != (MagickWand *) NULL); 7033 assert(wand->signature == WandSignature); 7034 if (wand->debug != MagickFalse) 7035 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7036 if (wand->images == (Image *) NULL) 7037 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7038 status=OrderedPosterizeImage(wand->images,threshold_map,wand->exception); 7039 return(status); 7040} 7041 7042/* 7043%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7044% % 7045% % 7046% % 7047% M a g i c k P i n g I m a g e % 7048% % 7049% % 7050% % 7051%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7052% 7053% MagickPingImage() is the same as MagickReadImage() except the only valid 7054% information returned is the image width, height, size, and format. It 7055% is designed to efficiently obtain this information from a file without 7056% reading the entire image sequence into memory. 7057% 7058% The format of the MagickPingImage method is: 7059% 7060% MagickBooleanType MagickPingImage(MagickWand *wand,const char *filename) 7061% 7062% A description of each parameter follows: 7063% 7064% o wand: the magick wand. 7065% 7066% o filename: the image filename. 7067% 7068*/ 7069WandExport MagickBooleanType MagickPingImage(MagickWand *wand, 7070 const char *filename) 7071{ 7072 Image 7073 *images; 7074 7075 ImageInfo 7076 *ping_info; 7077 7078 assert(wand != (MagickWand *) NULL); 7079 assert(wand->signature == WandSignature); 7080 if (wand->debug != MagickFalse) 7081 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7082 ping_info=CloneImageInfo(wand->image_info); 7083 if (filename != (const char *) NULL) 7084 (void) CopyMagickString(ping_info->filename,filename,MaxTextExtent); 7085 images=PingImage(ping_info,wand->exception); 7086 ping_info=DestroyImageInfo(ping_info); 7087 if (images == (Image *) NULL) 7088 return(MagickFalse); 7089 return(InsertImageInWand(wand,images)); 7090} 7091 7092/* 7093%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7094% % 7095% % 7096% % 7097% M a g i c k P i n g I m a g e B l o b % 7098% % 7099% % 7100% % 7101%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7102% 7103% MagickPingImageBlob() pings an image or image sequence from a blob. 7104% 7105% The format of the MagickPingImageBlob method is: 7106% 7107% MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7108% const void *blob,const size_t length) 7109% 7110% A description of each parameter follows: 7111% 7112% o wand: the magick wand. 7113% 7114% o blob: the blob. 7115% 7116% o length: the blob length. 7117% 7118*/ 7119WandExport MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7120 const void *blob,const size_t length) 7121{ 7122 Image 7123 *images; 7124 7125 ImageInfo 7126 *read_info; 7127 7128 assert(wand != (MagickWand *) NULL); 7129 assert(wand->signature == WandSignature); 7130 if (wand->debug != MagickFalse) 7131 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7132 read_info=CloneImageInfo(wand->image_info); 7133 SetImageInfoBlob(read_info,blob,length); 7134 images=PingImage(read_info,wand->exception); 7135 read_info=DestroyImageInfo(read_info); 7136 if (images == (Image *) NULL) 7137 return(MagickFalse); 7138 return(InsertImageInWand(wand,images)); 7139} 7140 7141/* 7142%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7143% % 7144% % 7145% % 7146% M a g i c k P i n g I m a g e F i l e % 7147% % 7148% % 7149% % 7150%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7151% 7152% MagickPingImageFile() pings an image or image sequence from an open file 7153% descriptor. 7154% 7155% The format of the MagickPingImageFile method is: 7156% 7157% MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7158% 7159% A description of each parameter follows: 7160% 7161% o wand: the magick wand. 7162% 7163% o file: the file descriptor. 7164% 7165*/ 7166WandExport MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7167{ 7168 Image 7169 *images; 7170 7171 ImageInfo 7172 *read_info; 7173 7174 assert(wand != (MagickWand *) NULL); 7175 assert(wand->signature == WandSignature); 7176 assert(file != (FILE *) NULL); 7177 if (wand->debug != MagickFalse) 7178 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7179 read_info=CloneImageInfo(wand->image_info); 7180 SetImageInfoFile(read_info,file); 7181 images=PingImage(read_info,wand->exception); 7182 read_info=DestroyImageInfo(read_info); 7183 if (images == (Image *) NULL) 7184 return(MagickFalse); 7185 return(InsertImageInWand(wand,images)); 7186} 7187 7188/* 7189%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7190% % 7191% % 7192% % 7193% M a g i c k P o l a r o i d I m a g e % 7194% % 7195% % 7196% % 7197%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7198% 7199% MagickPolaroidImage() simulates a Polaroid picture. 7200% 7201% The format of the MagickPolaroidImage method is: 7202% 7203% MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7204% const DrawingWand *drawing_wand,const double angle, 7205% const PixelInterpolateMethod method) 7206% 7207% A description of each parameter follows: 7208% 7209% o wand: the magick wand. 7210% 7211% o drawing_wand: the draw wand. 7212% 7213% o angle: Apply the effect along this angle. 7214% 7215% o method: the pixel interpolation method. 7216% 7217*/ 7218WandExport MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7219 const DrawingWand *drawing_wand,const double angle, 7220 const PixelInterpolateMethod method) 7221{ 7222 DrawInfo 7223 *draw_info; 7224 7225 Image 7226 *polaroid_image; 7227 7228 assert(wand != (MagickWand *) NULL); 7229 assert(wand->signature == WandSignature); 7230 if (wand->debug != MagickFalse) 7231 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7232 if (wand->images == (Image *) NULL) 7233 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7234 draw_info=PeekDrawingWand(drawing_wand); 7235 if (draw_info == (DrawInfo *) NULL) 7236 return(MagickFalse); 7237 polaroid_image=PolaroidImage(wand->images,draw_info,angle,method, 7238 wand->exception); 7239 if (polaroid_image == (Image *) NULL) 7240 return(MagickFalse); 7241 ReplaceImageInList(&wand->images,polaroid_image); 7242 return(MagickTrue); 7243} 7244 7245/* 7246%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7247% % 7248% % 7249% % 7250% M a g i c k P o s t e r i z e I m a g e % 7251% % 7252% % 7253% % 7254%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7255% 7256% MagickPosterizeImage() reduces the image to a limited number of color level. 7257% 7258% The format of the MagickPosterizeImage method is: 7259% 7260% MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7261% const unsigned levels,const MagickBooleanType dither) 7262% 7263% A description of each parameter follows: 7264% 7265% o wand: the magick wand. 7266% 7267% o levels: Number of color levels allowed in each channel. Very low values 7268% (2, 3, or 4) have the most visible effect. 7269% 7270% o dither: Set this integer value to something other than zero to dither 7271% the mapped image. 7272% 7273*/ 7274WandExport MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7275 const size_t levels,const MagickBooleanType dither) 7276{ 7277 MagickBooleanType 7278 status; 7279 7280 assert(wand != (MagickWand *) NULL); 7281 assert(wand->signature == WandSignature); 7282 if (wand->debug != MagickFalse) 7283 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7284 if (wand->images == (Image *) NULL) 7285 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7286 status=PosterizeImage(wand->images,levels,dither,wand->exception); 7287 return(status); 7288} 7289 7290/* 7291%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7292% % 7293% % 7294% % 7295% M a g i c k P r e v i e w I m a g e s % 7296% % 7297% % 7298% % 7299%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7300% 7301% MagickPreviewImages() tiles 9 thumbnails of the specified image with an 7302% image processing operation applied at varying strengths. This helpful 7303% to quickly pin-point an appropriate parameter for an image processing 7304% operation. 7305% 7306% The format of the MagickPreviewImages method is: 7307% 7308% MagickWand *MagickPreviewImages(MagickWand *wand, 7309% const PreviewType preview) 7310% 7311% A description of each parameter follows: 7312% 7313% o wand: the magick wand. 7314% 7315% o preview: the preview type. 7316% 7317*/ 7318WandExport MagickWand *MagickPreviewImages(MagickWand *wand, 7319 const PreviewType preview) 7320{ 7321 Image 7322 *preview_image; 7323 7324 assert(wand != (MagickWand *) NULL); 7325 assert(wand->signature == WandSignature); 7326 if (wand->debug != MagickFalse) 7327 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7328 if (wand->images == (Image *) NULL) 7329 return((MagickWand *) NULL); 7330 preview_image=PreviewImage(wand->images,preview,wand->exception); 7331 if (preview_image == (Image *) NULL) 7332 return((MagickWand *) NULL); 7333 return(CloneMagickWandFromImages(wand,preview_image)); 7334} 7335 7336/* 7337%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7338% % 7339% % 7340% % 7341% M a g i c k P r e v i o u s I m a g e % 7342% % 7343% % 7344% % 7345%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7346% 7347% MagickPreviousImage() assocates the previous image in an image list with 7348% the magick wand. 7349% 7350% The format of the MagickPreviousImage method is: 7351% 7352% MagickBooleanType MagickPreviousImage(MagickWand *wand) 7353% 7354% A description of each parameter follows: 7355% 7356% o wand: the magick wand. 7357% 7358*/ 7359WandExport MagickBooleanType MagickPreviousImage(MagickWand *wand) 7360{ 7361 assert(wand != (MagickWand *) NULL); 7362 assert(wand->signature == WandSignature); 7363 if (wand->debug != MagickFalse) 7364 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7365 if (wand->images == (Image *) NULL) 7366 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7367 7368 wand->image_pending=MagickFalse; /* pending status has no meaning */ 7369 /* If there is no prev image, return false (Iterator is finished) */ 7370 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 7371 return(MagickFalse); 7372 /* just do it - current image is not 'pending' */ 7373 wand->images=GetPreviousImageInList(wand->images); 7374 return(MagickTrue); 7375} 7376 7377/* 7378%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7379% % 7380% % 7381% % 7382% M a g i c k Q u a n t i z e I m a g e % 7383% % 7384% % 7385% % 7386%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7387% 7388% MagickQuantizeImage() analyzes the colors within a reference image and 7389% chooses a fixed number of colors to represent the image. The goal of the 7390% algorithm is to minimize the color difference between the input and output 7391% image while minimizing the processing time. 7392% 7393% The format of the MagickQuantizeImage method is: 7394% 7395% MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7396% const size_t number_colors,const ColorspaceType colorspace, 7397% const size_t treedepth,const MagickBooleanType dither, 7398% const MagickBooleanType measure_error) 7399% 7400% A description of each parameter follows: 7401% 7402% o wand: the magick wand. 7403% 7404% o number_colors: the number of colors. 7405% 7406% o colorspace: Perform color reduction in this colorspace, typically 7407% RGBColorspace. 7408% 7409% o treedepth: Normally, this integer value is zero or one. A zero or 7410% 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 7411% reference image with the least amount of memory and the fastest 7412% computational speed. In some cases, such as an image with low color 7413% dispersion (a few number of colors), a value other than 7414% Log4(number_colors) is required. To expand the color tree completely, 7415% use a value of 8. 7416% 7417% o dither: A value other than zero distributes the difference between an 7418% original image and the corresponding color reduced image to 7419% neighboring pixels along a Hilbert curve. 7420% 7421% o measure_error: A value other than zero measures the difference between 7422% the original and quantized images. This difference is the total 7423% quantization error. The error is computed by summing over all pixels 7424% in an image the distance squared in RGB space between each reference 7425% pixel value and its quantized value. 7426% 7427*/ 7428WandExport MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7429 const size_t number_colors,const ColorspaceType colorspace, 7430 const size_t treedepth,const MagickBooleanType dither, 7431 const MagickBooleanType measure_error) 7432{ 7433 MagickBooleanType 7434 status; 7435 7436 QuantizeInfo 7437 *quantize_info; 7438 7439 assert(wand != (MagickWand *) NULL); 7440 assert(wand->signature == WandSignature); 7441 if (wand->debug != MagickFalse) 7442 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7443 if (wand->images == (Image *) NULL) 7444 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7445 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7446 quantize_info->number_colors=number_colors; 7447 quantize_info->dither=dither; 7448 quantize_info->tree_depth=treedepth; 7449 quantize_info->colorspace=colorspace; 7450 quantize_info->measure_error=measure_error; 7451 status=QuantizeImage(quantize_info,wand->images,wand->exception); 7452 quantize_info=DestroyQuantizeInfo(quantize_info); 7453 return(status); 7454} 7455 7456/* 7457%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7458% % 7459% % 7460% % 7461% M a g i c k Q u a n t i z e I m a g e s % 7462% % 7463% % 7464% % 7465%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7466% 7467% MagickQuantizeImages() analyzes the colors within a sequence of images and 7468% chooses a fixed number of colors to represent the image. The goal of the 7469% algorithm is to minimize the color difference between the input and output 7470% image while minimizing the processing time. 7471% 7472% The format of the MagickQuantizeImages method is: 7473% 7474% MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7475% const size_t number_colors,const ColorspaceType colorspace, 7476% const size_t treedepth,const MagickBooleanType dither, 7477% const MagickBooleanType measure_error) 7478% 7479% A description of each parameter follows: 7480% 7481% o wand: the magick wand. 7482% 7483% o number_colors: the number of colors. 7484% 7485% o colorspace: Perform color reduction in this colorspace, typically 7486% RGBColorspace. 7487% 7488% o treedepth: Normally, this integer value is zero or one. A zero or 7489% 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 7490% reference image with the least amount of memory and the fastest 7491% computational speed. In some cases, such as an image with low color 7492% dispersion (a few number of colors), a value other than 7493% Log4(number_colors) is required. To expand the color tree completely, 7494% use a value of 8. 7495% 7496% o dither: A value other than zero distributes the difference between an 7497% original image and the corresponding color reduced algorithm to 7498% neighboring pixels along a Hilbert curve. 7499% 7500% o measure_error: A value other than zero measures the difference between 7501% the original and quantized images. This difference is the total 7502% quantization error. The error is computed by summing over all pixels 7503% in an image the distance squared in RGB space between each reference 7504% pixel value and its quantized value. 7505% 7506*/ 7507WandExport MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7508 const size_t number_colors,const ColorspaceType colorspace, 7509 const size_t treedepth,const MagickBooleanType dither, 7510 const MagickBooleanType measure_error) 7511{ 7512 MagickBooleanType 7513 status; 7514 7515 QuantizeInfo 7516 *quantize_info; 7517 7518 assert(wand != (MagickWand *) NULL); 7519 assert(wand->signature == WandSignature); 7520 if (wand->debug != MagickFalse) 7521 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7522 if (wand->images == (Image *) NULL) 7523 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7524 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7525 quantize_info->number_colors=number_colors; 7526 quantize_info->dither=dither; 7527 quantize_info->tree_depth=treedepth; 7528 quantize_info->colorspace=colorspace; 7529 quantize_info->measure_error=measure_error; 7530 status=QuantizeImages(quantize_info,wand->images,wand->exception); 7531 quantize_info=DestroyQuantizeInfo(quantize_info); 7532 return(status); 7533} 7534 7535/* 7536%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7537% % 7538% % 7539% % 7540% M a g i c k R a d i a l B l u r I m a g e % 7541% % 7542% % 7543% % 7544%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7545% 7546% MagickRadialBlurImage() radial blurs an image. 7547% 7548% The format of the MagickRadialBlurImage method is: 7549% 7550% MagickBooleanType MagickRadialBlurImage(MagickWand *wand, 7551% const double angle,const double bias) 7552% 7553% A description of each parameter follows: 7554% 7555% o wand: the magick wand. 7556% 7557% o angle: the angle of the blur in degrees. 7558% 7559% o bias: the bias. 7560% 7561*/ 7562WandExport MagickBooleanType MagickRadialBlurImage(MagickWand *wand, 7563 const double angle,const double bias) 7564{ 7565 Image 7566 *blur_image; 7567 7568 assert(wand != (MagickWand *) NULL); 7569 assert(wand->signature == WandSignature); 7570 if (wand->debug != MagickFalse) 7571 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7572 if (wand->images == (Image *) NULL) 7573 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7574 blur_image=RadialBlurImage(wand->images,angle,bias,wand->exception); 7575 if (blur_image == (Image *) NULL) 7576 return(MagickFalse); 7577 ReplaceImageInList(&wand->images,blur_image); 7578 return(MagickTrue); 7579} 7580 7581/* 7582%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7583% % 7584% % 7585% % 7586% M a g i c k R a i s e I m a g e % 7587% % 7588% % 7589% % 7590%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7591% 7592% MagickRaiseImage() creates a simulated three-dimensional button-like effect 7593% by lightening and darkening the edges of the image. Members width and 7594% height of raise_info define the width of the vertical and horizontal 7595% edge of the effect. 7596% 7597% The format of the MagickRaiseImage method is: 7598% 7599% MagickBooleanType MagickRaiseImage(MagickWand *wand, 7600% const size_t width,const size_t height,const ssize_t x, 7601% const ssize_t y,const MagickBooleanType raise) 7602% 7603% A description of each parameter follows: 7604% 7605% o wand: the magick wand. 7606% 7607% o width,height,x,y: Define the dimensions of the area to raise. 7608% 7609% o raise: A value other than zero creates a 3-D raise effect, 7610% otherwise it has a lowered effect. 7611% 7612*/ 7613WandExport MagickBooleanType MagickRaiseImage(MagickWand *wand, 7614 const size_t width,const size_t height,const ssize_t x, 7615 const ssize_t y,const MagickBooleanType raise) 7616{ 7617 MagickBooleanType 7618 status; 7619 7620 RectangleInfo 7621 raise_info; 7622 7623 assert(wand != (MagickWand *) NULL); 7624 assert(wand->signature == WandSignature); 7625 if (wand->debug != MagickFalse) 7626 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7627 if (wand->images == (Image *) NULL) 7628 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7629 raise_info.width=width; 7630 raise_info.height=height; 7631 raise_info.x=x; 7632 raise_info.y=y; 7633 status=RaiseImage(wand->images,&raise_info,raise,wand->exception); 7634 return(status); 7635} 7636 7637/* 7638%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7639% % 7640% % 7641% % 7642% 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 % 7643% % 7644% % 7645% % 7646%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7647% 7648% MagickRandomThresholdImage() changes the value of individual pixels based on 7649% the intensity of each pixel compared to threshold. The result is a 7650% high-contrast, two color image. 7651% 7652% The format of the MagickRandomThresholdImage method is: 7653% 7654% MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 7655% const double low,const double high) 7656% 7657% A description of each parameter follows: 7658% 7659% o wand: the magick wand. 7660% 7661% o low,high: Specify the high and low thresholds. These values range from 7662% 0 to QuantumRange. 7663% 7664*/ 7665WandExport MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 7666 const double low,const double high) 7667{ 7668 char 7669 threshold[MaxTextExtent]; 7670 7671 assert(wand != (MagickWand *) NULL); 7672 assert(wand->signature == WandSignature); 7673 if (wand->debug != MagickFalse) 7674 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7675 if (wand->images == (Image *) NULL) 7676 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7677 (void) FormatLocaleString(threshold,MaxTextExtent,"%gx%g",low,high); 7678 return(RandomThresholdImage(wand->images,threshold,wand->exception)); 7679} 7680 7681/* 7682%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7683% % 7684% % 7685% % 7686% M a g i c k R e a d I m a g e % 7687% % 7688% % 7689% % 7690%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7691% 7692% MagickReadImage() reads an image or image sequence. The images are inserted 7693% at the current image pointer position. 7694% 7695% Use MagickSetFirstIterator(), to insert new images before all the current 7696% images in the wand, MagickSetLastIterator() to append add to the end, 7697% MagickSetImageIndex() to place images just after the given index. 7698% 7699% The format of the MagickReadImage method is: 7700% 7701% MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename) 7702% 7703% A description of each parameter follows: 7704% 7705% o wand: the magick wand. 7706% 7707% o filename: the image filename. 7708% 7709*/ 7710WandExport MagickBooleanType MagickReadImage(MagickWand *wand, 7711 const char *filename) 7712{ 7713 Image 7714 *images; 7715 7716 ImageInfo 7717 *read_info; 7718 7719 assert(wand != (MagickWand *) NULL); 7720 assert(wand->signature == WandSignature); 7721 if (wand->debug != MagickFalse) 7722 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7723 read_info=CloneImageInfo(wand->image_info); 7724 if (filename != (const char *) NULL) 7725 (void) CopyMagickString(read_info->filename,filename,MaxTextExtent); 7726 images=ReadImage(read_info,wand->exception); 7727 read_info=DestroyImageInfo(read_info); 7728 if (images == (Image *) NULL) 7729 return(MagickFalse); 7730 return(InsertImageInWand(wand,images)); 7731} 7732 7733/* 7734%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7735% % 7736% % 7737% % 7738% M a g i c k R e a d I m a g e B l o b % 7739% % 7740% % 7741% % 7742%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7743% 7744% MagickReadImageBlob() reads an image or image sequence from a blob. 7745% In all other respects it is like MagickReadImage(). 7746% 7747% The format of the MagickReadImageBlob method is: 7748% 7749% MagickBooleanType MagickReadImageBlob(MagickWand *wand, 7750% const void *blob,const size_t length) 7751% 7752% A description of each parameter follows: 7753% 7754% o wand: the magick wand. 7755% 7756% o blob: the blob. 7757% 7758% o length: the blob length. 7759% 7760*/ 7761WandExport MagickBooleanType MagickReadImageBlob(MagickWand *wand, 7762 const void *blob,const size_t length) 7763{ 7764 Image 7765 *images; 7766 7767 assert(wand != (MagickWand *) NULL); 7768 assert(wand->signature == WandSignature); 7769 if (wand->debug != MagickFalse) 7770 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7771 images=BlobToImage(wand->image_info,blob,length,wand->exception); 7772 if (images == (Image *) NULL) 7773 return(MagickFalse); 7774 return(InsertImageInWand(wand,images)); 7775} 7776 7777/* 7778%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7779% % 7780% % 7781% % 7782% M a g i c k R e a d I m a g e F i l e % 7783% % 7784% % 7785% % 7786%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7787% 7788% MagickReadImageFile() reads an image or image sequence from an already 7789% opened file descriptor. Otherwise it is like MagickReadImage(). 7790% 7791% The format of the MagickReadImageFile method is: 7792% 7793% MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 7794% 7795% A description of each parameter follows: 7796% 7797% o wand: the magick wand. 7798% 7799% o file: the file descriptor. 7800% 7801*/ 7802WandExport MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 7803{ 7804 Image 7805 *images; 7806 7807 ImageInfo 7808 *read_info; 7809 7810 assert(wand != (MagickWand *) NULL); 7811 assert(wand->signature == WandSignature); 7812 assert(file != (FILE *) NULL); 7813 if (wand->debug != MagickFalse) 7814 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7815 read_info=CloneImageInfo(wand->image_info); 7816 SetImageInfoFile(read_info,file); 7817 images=ReadImage(read_info,wand->exception); 7818 read_info=DestroyImageInfo(read_info); 7819 if (images == (Image *) NULL) 7820 return(MagickFalse); 7821 return(InsertImageInWand(wand,images)); 7822} 7823 7824/* 7825%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7826% % 7827% % 7828% % 7829% M a g i c k R e m a p I m a g e % 7830% % 7831% % 7832% % 7833%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7834% 7835% MagickRemapImage() replaces the colors of an image with the closest color 7836% from a reference image. 7837% 7838% The format of the MagickRemapImage method is: 7839% 7840% MagickBooleanType MagickRemapImage(MagickWand *wand, 7841% const MagickWand *remap_wand,const DitherMethod method) 7842% 7843% A description of each parameter follows: 7844% 7845% o wand: the magick wand. 7846% 7847% o affinity: the affinity wand. 7848% 7849% o method: choose from these dither methods: NoDitherMethod, 7850% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7851% 7852*/ 7853WandExport MagickBooleanType MagickRemapImage(MagickWand *wand, 7854 const MagickWand *remap_wand,const DitherMethod method) 7855{ 7856 MagickBooleanType 7857 status; 7858 7859 QuantizeInfo 7860 *quantize_info; 7861 7862 assert(wand != (MagickWand *) NULL); 7863 assert(wand->signature == WandSignature); 7864 if (wand->debug != MagickFalse) 7865 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7866 if ((wand->images == (Image *) NULL) || 7867 (remap_wand->images == (Image *) NULL)) 7868 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7869 quantize_info=AcquireQuantizeInfo(wand->image_info); 7870 quantize_info->dither_method=method; 7871 if (method == NoDitherMethod) 7872 quantize_info->dither=MagickFalse; 7873 status=RemapImage(quantize_info,wand->images,remap_wand->images, 7874 wand->exception); 7875 quantize_info=DestroyQuantizeInfo(quantize_info); 7876 return(status); 7877} 7878 7879/* 7880%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7881% % 7882% % 7883% % 7884% M a g i c k R e m o v e I m a g e % 7885% % 7886% % 7887% % 7888%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7889% 7890% MagickRemoveImage() removes an image from the image list. 7891% 7892% The format of the MagickRemoveImage method is: 7893% 7894% MagickBooleanType MagickRemoveImage(MagickWand *wand) 7895% 7896% A description of each parameter follows: 7897% 7898% o wand: the magick wand. 7899% 7900% o insert: the splice wand. 7901% 7902*/ 7903WandExport MagickBooleanType MagickRemoveImage(MagickWand *wand) 7904{ 7905 assert(wand != (MagickWand *) NULL); 7906 assert(wand->signature == WandSignature); 7907 if (wand->debug != MagickFalse) 7908 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7909 if (wand->images == (Image *) NULL) 7910 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7911 DeleteImageFromList(&wand->images); 7912 return(MagickTrue); 7913} 7914 7915/* 7916%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7917% % 7918% % 7919% % 7920% M a g i c k R e s a m p l e I m a g e % 7921% % 7922% % 7923% % 7924%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7925% 7926% MagickResampleImage() resample image to desired resolution. 7927% 7928% Bessel Blackman Box 7929% Catrom Cubic Gaussian 7930% Hanning Hermite Lanczos 7931% Mitchell Point Quandratic 7932% Sinc Triangle 7933% 7934% Most of the filters are FIR (finite impulse response), however, Bessel, 7935% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 7936% are windowed (brought down to zero) with the Blackman filter. 7937% 7938% The format of the MagickResampleImage method is: 7939% 7940% MagickBooleanType MagickResampleImage(MagickWand *wand, 7941% const double x_resolution,const double y_resolution, 7942% const FilterTypes filter,const double blur) 7943% 7944% A description of each parameter follows: 7945% 7946% o wand: the magick wand. 7947% 7948% o x_resolution: the new image x resolution. 7949% 7950% o y_resolution: the new image y resolution. 7951% 7952% o filter: Image filter to use. 7953% 7954% o blur: the blur factor where > 1 is blurry, < 1 is sharp. 7955% 7956*/ 7957WandExport MagickBooleanType MagickResampleImage(MagickWand *wand, 7958 const double x_resolution,const double y_resolution,const FilterTypes filter, 7959 const double blur) 7960{ 7961 Image 7962 *resample_image; 7963 7964 assert(wand != (MagickWand *) NULL); 7965 assert(wand->signature == WandSignature); 7966 if (wand->debug != MagickFalse) 7967 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7968 if (wand->images == (Image *) NULL) 7969 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7970 resample_image=ResampleImage(wand->images,x_resolution,y_resolution,filter, 7971 blur,wand->exception); 7972 if (resample_image == (Image *) NULL) 7973 return(MagickFalse); 7974 ReplaceImageInList(&wand->images,resample_image); 7975 return(MagickTrue); 7976} 7977 7978/* 7979%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7980% % 7981% % 7982% % 7983% M a g i c k R e s e t I m a g e P a g e % 7984% % 7985% % 7986% % 7987%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7988% 7989% MagickResetImagePage() resets the Wand page canvas and position. 7990% 7991% The format of the MagickResetImagePage method is: 7992% 7993% MagickBooleanType MagickResetImagePage(MagickWand *wand, 7994% const char *page) 7995% 7996% A description of each parameter follows: 7997% 7998% o wand: the magick wand. 7999% 8000% o page: the relative page specification. 8001% 8002*/ 8003WandExport MagickBooleanType MagickResetImagePage(MagickWand *wand, 8004 const char *page) 8005{ 8006 assert(wand != (MagickWand *) NULL); 8007 assert(wand->signature == WandSignature); 8008 if (wand->debug != MagickFalse) 8009 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8010 if (wand->images == (Image *) NULL) 8011 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8012 if ((page == (char *) NULL) || (*page == '\0')) 8013 { 8014 (void) ParseAbsoluteGeometry("0x0+0+0",&wand->images->page); 8015 return(MagickTrue); 8016 } 8017 return(ResetImagePage(wand->images,page)); 8018} 8019 8020/* 8021%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8022% % 8023% % 8024% % 8025% M a g i c k R e s i z e I m a g e % 8026% % 8027% % 8028% % 8029%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8030% 8031% MagickResizeImage() scales an image to the desired dimensions with one of 8032% these filters: 8033% 8034% Bessel Blackman Box 8035% Catrom Cubic Gaussian 8036% Hanning Hermite Lanczos 8037% Mitchell Point Quandratic 8038% Sinc Triangle 8039% 8040% Most of the filters are FIR (finite impulse response), however, Bessel, 8041% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8042% are windowed (brought down to zero) with the Blackman filter. 8043% 8044% The format of the MagickResizeImage method is: 8045% 8046% MagickBooleanType MagickResizeImage(MagickWand *wand, 8047% const size_t columns,const size_t rows, 8048% const FilterTypes filter,const double blur) 8049% 8050% A description of each parameter follows: 8051% 8052% o wand: the magick wand. 8053% 8054% o columns: the number of columns in the scaled image. 8055% 8056% o rows: the number of rows in the scaled image. 8057% 8058% o filter: Image filter to use. 8059% 8060% o blur: the blur factor where > 1 is blurry, < 1 is sharp. 8061% 8062*/ 8063WandExport MagickBooleanType MagickResizeImage(MagickWand *wand, 8064 const size_t columns,const size_t rows,const FilterTypes filter, 8065 const double blur) 8066{ 8067 Image 8068 *resize_image; 8069 8070 assert(wand != (MagickWand *) NULL); 8071 assert(wand->signature == WandSignature); 8072 if (wand->debug != MagickFalse) 8073 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8074 if (wand->images == (Image *) NULL) 8075 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8076 resize_image=ResizeImage(wand->images,columns,rows,filter,blur, 8077 wand->exception); 8078 if (resize_image == (Image *) NULL) 8079 return(MagickFalse); 8080 ReplaceImageInList(&wand->images,resize_image); 8081 return(MagickTrue); 8082} 8083 8084/* 8085%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8086% % 8087% % 8088% % 8089% M a g i c k R o l l I m a g e % 8090% % 8091% % 8092% % 8093%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8094% 8095% MagickRollImage() offsets an image as defined by x and y. 8096% 8097% The format of the MagickRollImage method is: 8098% 8099% MagickBooleanType MagickRollImage(MagickWand *wand,const ssize_t x, 8100% const size_t y) 8101% 8102% A description of each parameter follows: 8103% 8104% o wand: the magick wand. 8105% 8106% o x: the x offset. 8107% 8108% o y: the y offset. 8109% 8110% 8111*/ 8112WandExport MagickBooleanType MagickRollImage(MagickWand *wand, 8113 const ssize_t x,const ssize_t y) 8114{ 8115 Image 8116 *roll_image; 8117 8118 assert(wand != (MagickWand *) NULL); 8119 assert(wand->signature == WandSignature); 8120 if (wand->debug != MagickFalse) 8121 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8122 if (wand->images == (Image *) NULL) 8123 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8124 roll_image=RollImage(wand->images,x,y,wand->exception); 8125 if (roll_image == (Image *) NULL) 8126 return(MagickFalse); 8127 ReplaceImageInList(&wand->images,roll_image); 8128 return(MagickTrue); 8129} 8130 8131/* 8132%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8133% % 8134% % 8135% % 8136% M a g i c k R o t a t e I m a g e % 8137% % 8138% % 8139% % 8140%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8141% 8142% MagickRotateImage() rotates an image the specified number of degrees. Empty 8143% triangles left over from rotating the image are filled with the 8144% background color. 8145% 8146% The format of the MagickRotateImage method is: 8147% 8148% MagickBooleanType MagickRotateImage(MagickWand *wand, 8149% const PixelWand *background,const double degrees) 8150% 8151% A description of each parameter follows: 8152% 8153% o wand: the magick wand. 8154% 8155% o background: the background pixel wand. 8156% 8157% o degrees: the number of degrees to rotate the image. 8158% 8159% 8160*/ 8161WandExport MagickBooleanType MagickRotateImage(MagickWand *wand, 8162 const PixelWand *background,const double degrees) 8163{ 8164 Image 8165 *rotate_image; 8166 8167 assert(wand != (MagickWand *) NULL); 8168 assert(wand->signature == WandSignature); 8169 if (wand->debug != MagickFalse) 8170 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8171 if (wand->images == (Image *) NULL) 8172 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8173 PixelGetQuantumPacket(background,&wand->images->background_color); 8174 rotate_image=RotateImage(wand->images,degrees,wand->exception); 8175 if (rotate_image == (Image *) NULL) 8176 return(MagickFalse); 8177 ReplaceImageInList(&wand->images,rotate_image); 8178 return(MagickTrue); 8179} 8180 8181/* 8182%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8183% % 8184% % 8185% % 8186% M a g i c k S a m p l e I m a g e % 8187% % 8188% % 8189% % 8190%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8191% 8192% MagickSampleImage() scales an image to the desired dimensions with pixel 8193% sampling. Unlike other scaling methods, this method does not introduce 8194% any additional color into the scaled image. 8195% 8196% The format of the MagickSampleImage method is: 8197% 8198% MagickBooleanType MagickSampleImage(MagickWand *wand, 8199% const size_t columns,const size_t rows) 8200% 8201% A description of each parameter follows: 8202% 8203% o wand: the magick wand. 8204% 8205% o columns: the number of columns in the scaled image. 8206% 8207% o rows: the number of rows in the scaled image. 8208% 8209% 8210*/ 8211WandExport MagickBooleanType MagickSampleImage(MagickWand *wand, 8212 const size_t columns,const size_t rows) 8213{ 8214 Image 8215 *sample_image; 8216 8217 assert(wand != (MagickWand *) NULL); 8218 assert(wand->signature == WandSignature); 8219 if (wand->debug != MagickFalse) 8220 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8221 if (wand->images == (Image *) NULL) 8222 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8223 sample_image=SampleImage(wand->images,columns,rows,wand->exception); 8224 if (sample_image == (Image *) NULL) 8225 return(MagickFalse); 8226 ReplaceImageInList(&wand->images,sample_image); 8227 return(MagickTrue); 8228} 8229 8230/* 8231%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8232% % 8233% % 8234% % 8235% M a g i c k S c a l e I m a g e % 8236% % 8237% % 8238% % 8239%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8240% 8241% MagickScaleImage() scales the size of an image to the given dimensions. 8242% 8243% The format of the MagickScaleImage method is: 8244% 8245% MagickBooleanType MagickScaleImage(MagickWand *wand, 8246% const size_t columns,const size_t rows) 8247% 8248% A description of each parameter follows: 8249% 8250% o wand: the magick wand. 8251% 8252% o columns: the number of columns in the scaled image. 8253% 8254% o rows: the number of rows in the scaled image. 8255% 8256% 8257*/ 8258WandExport MagickBooleanType MagickScaleImage(MagickWand *wand, 8259 const size_t columns,const size_t rows) 8260{ 8261 Image 8262 *scale_image; 8263 8264 assert(wand != (MagickWand *) NULL); 8265 assert(wand->signature == WandSignature); 8266 if (wand->debug != MagickFalse) 8267 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8268 if (wand->images == (Image *) NULL) 8269 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8270 scale_image=ScaleImage(wand->images,columns,rows,wand->exception); 8271 if (scale_image == (Image *) NULL) 8272 return(MagickFalse); 8273 ReplaceImageInList(&wand->images,scale_image); 8274 return(MagickTrue); 8275} 8276 8277/* 8278%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8279% % 8280% % 8281% % 8282% M a g i c k S e g m e n t I m a g e % 8283% % 8284% % 8285% % 8286%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8287% 8288% MagickSegmentImage() segments an image by analyzing the histograms of the 8289% color components and identifying units that are homogeneous with the fuzzy 8290% C-means technique. 8291% 8292% The format of the SegmentImage method is: 8293% 8294% MagickBooleanType MagickSegmentImage(MagickWand *wand, 8295% const ColorspaceType colorspace,const MagickBooleanType verbose, 8296% const double cluster_threshold,const double smooth_threshold) 8297% 8298% A description of each parameter follows. 8299% 8300% o wand: the wand. 8301% 8302% o colorspace: the image colorspace. 8303% 8304% o verbose: Set to MagickTrue to print detailed information about the 8305% identified classes. 8306% 8307% o cluster_threshold: This represents the minimum number of pixels 8308% contained in a hexahedra before it can be considered valid (expressed as 8309% a percentage). 8310% 8311% o smooth_threshold: the smoothing threshold eliminates noise in the second 8312% derivative of the histogram. As the value is increased, you can expect a 8313% smoother second derivative. 8314% 8315*/ 8316MagickExport MagickBooleanType MagickSegmentImage(MagickWand *wand, 8317 const ColorspaceType colorspace,const MagickBooleanType verbose, 8318 const double cluster_threshold,const double smooth_threshold) 8319{ 8320 MagickBooleanType 8321 status; 8322 8323 assert(wand != (MagickWand *) NULL); 8324 assert(wand->signature == WandSignature); 8325 if (wand->debug != MagickFalse) 8326 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8327 if (wand->images == (Image *) NULL) 8328 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8329 status=SegmentImage(wand->images,colorspace,verbose,cluster_threshold, 8330 smooth_threshold,wand->exception); 8331 return(status); 8332} 8333 8334/* 8335%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8336% % 8337% % 8338% % 8339% M a g i c k S e l e c t i v e B l u r I m a g e % 8340% % 8341% % 8342% % 8343%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8344% 8345% MagickSelectiveBlurImage() selectively blur an image within a contrast 8346% threshold. It is similar to the unsharpen mask that sharpens everything with 8347% contrast above a certain threshold. 8348% 8349% The format of the MagickSelectiveBlurImage method is: 8350% 8351% MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8352% const double radius,const double sigma,const double threshold, 8353% const double bias) 8354% 8355% A description of each parameter follows: 8356% 8357% o wand: the magick wand. 8358% 8359% o radius: the radius of the gaussian, in pixels, not counting the center 8360% pixel. 8361% 8362% o sigma: the standard deviation of the gaussian, in pixels. 8363% 8364% o threshold: only pixels within this contrast threshold are included 8365% in the blur operation. 8366% 8367% o bias: the bias. 8368% 8369*/ 8370WandExport MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8371 const double radius,const double sigma,const double threshold, 8372 const double bias) 8373{ 8374 Image 8375 *blur_image; 8376 8377 assert(wand != (MagickWand *) NULL); 8378 assert(wand->signature == WandSignature); 8379 if (wand->debug != MagickFalse) 8380 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8381 if (wand->images == (Image *) NULL) 8382 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8383 blur_image=SelectiveBlurImage(wand->images,radius,sigma,threshold,bias, 8384 wand->exception); 8385 if (blur_image == (Image *) NULL) 8386 return(MagickFalse); 8387 ReplaceImageInList(&wand->images,blur_image); 8388 return(MagickTrue); 8389} 8390 8391/* 8392%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8393% % 8394% % 8395% % 8396% 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 % 8397% % 8398% % 8399% % 8400%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8401% 8402% MagickSeparateImage() separates a channel from the image and returns a 8403% grayscale image. A channel is a particular color component of each pixel 8404% in the image. 8405% 8406% The format of the MagickSeparateImage method is: 8407% 8408% MagickBooleanType MagickSeparateImage(MagickWand *wand) 8409% 8410% A description of each parameter follows: 8411% 8412% o wand: the magick wand. 8413% 8414*/ 8415WandExport MagickBooleanType MagickSeparateImage(MagickWand *wand) 8416{ 8417 assert(wand != (MagickWand *) NULL); 8418 assert(wand->signature == WandSignature); 8419 if (wand->debug != MagickFalse) 8420 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8421 if (wand->images == (Image *) NULL) 8422 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8423 return(SeparateImage(wand->images,wand->exception)); 8424} 8425 8426/* 8427%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8428% % 8429% % 8430% % 8431% M a g i c k S e p i a T o n e I m a g e % 8432% % 8433% % 8434% % 8435%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8436% 8437% MagickSepiaToneImage() applies a special effect to the image, similar to the 8438% effect achieved in a photo darkroom by sepia toning. Threshold ranges from 8439% 0 to QuantumRange and is a measure of the extent of the sepia toning. A 8440% threshold of 80% is a good starting point for a reasonable tone. 8441% 8442% The format of the MagickSepiaToneImage method is: 8443% 8444% MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8445% const double threshold) 8446% 8447% A description of each parameter follows: 8448% 8449% o wand: the magick wand. 8450% 8451% o threshold: Define the extent of the sepia toning. 8452% 8453*/ 8454WandExport MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8455 const double threshold) 8456{ 8457 Image 8458 *sepia_image; 8459 8460 assert(wand != (MagickWand *) NULL); 8461 assert(wand->signature == WandSignature); 8462 if (wand->debug != MagickFalse) 8463 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8464 if (wand->images == (Image *) NULL) 8465 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8466 sepia_image=SepiaToneImage(wand->images,threshold,wand->exception); 8467 if (sepia_image == (Image *) NULL) 8468 return(MagickFalse); 8469 ReplaceImageInList(&wand->images,sepia_image); 8470 return(MagickTrue); 8471} 8472 8473/* 8474%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8475% % 8476% % 8477% % 8478% M a g i c k S e t I m a g e % 8479% % 8480% % 8481% % 8482%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8483% 8484% MagickSetImage() replaces the last image returned by MagickSetImageIndex(), 8485% MagickNextImage(), MagickPreviousImage() with the images from the specified 8486% wand. 8487% 8488% The format of the MagickSetImage method is: 8489% 8490% MagickBooleanType MagickSetImage(MagickWand *wand, 8491% const MagickWand *set_wand) 8492% 8493% A description of each parameter follows: 8494% 8495% o wand: the magick wand. 8496% 8497% o set_wand: the set_wand wand. 8498% 8499*/ 8500WandExport MagickBooleanType MagickSetImage(MagickWand *wand, 8501 const MagickWand *set_wand) 8502{ 8503 Image 8504 *images; 8505 8506 assert(wand != (MagickWand *) NULL); 8507 assert(wand->signature == WandSignature); 8508 if (wand->debug != MagickFalse) 8509 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8510 assert(set_wand != (MagickWand *) NULL); 8511 assert(set_wand->signature == WandSignature); 8512 if (wand->debug != MagickFalse) 8513 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",set_wand->name); 8514 if (set_wand->images == (Image *) NULL) 8515 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8516 images=CloneImageList(set_wand->images,wand->exception); 8517 if (images == (Image *) NULL) 8518 return(MagickFalse); 8519 ReplaceImageInList(&wand->images,images); 8520 return(MagickTrue); 8521} 8522 8523/* 8524%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8525% % 8526% % 8527% % 8528% 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 % 8529% % 8530% % 8531% % 8532%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8533% 8534% MagickSetImageAlphaChannel() activates, deactivates, resets, or sets the 8535% alpha channel. 8536% 8537% The format of the MagickSetImageAlphaChannel method is: 8538% 8539% MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8540% const AlphaChannelType alpha_type) 8541% 8542% A description of each parameter follows: 8543% 8544% o wand: the magick wand. 8545% 8546% o alpha_type: the alpha channel type: ActivateAlphaChannel, 8547% DeactivateAlphaChannel, OpaqueAlphaChannel, or SetAlphaChannel. 8548% 8549*/ 8550WandExport MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8551 const AlphaChannelType alpha_type) 8552{ 8553 assert(wand != (MagickWand *) NULL); 8554 assert(wand->signature == WandSignature); 8555 if (wand->debug != MagickFalse) 8556 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8557 if (wand->images == (Image *) NULL) 8558 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8559 return(SetImageAlphaChannel(wand->images,alpha_type,wand->exception)); 8560} 8561 8562/* 8563%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8564% % 8565% % 8566% % 8567% 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 % 8568% % 8569% % 8570% % 8571%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8572% 8573% MagickSetImageBackgroundColor() sets the image background color. 8574% 8575% The format of the MagickSetImageBackgroundColor method is: 8576% 8577% MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 8578% const PixelWand *background) 8579% 8580% A description of each parameter follows: 8581% 8582% o wand: the magick wand. 8583% 8584% o background: the background pixel wand. 8585% 8586*/ 8587WandExport MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 8588 const PixelWand *background) 8589{ 8590 assert(wand != (MagickWand *) NULL); 8591 assert(wand->signature == WandSignature); 8592 if (wand->debug != MagickFalse) 8593 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8594 if (wand->images == (Image *) NULL) 8595 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8596 PixelGetQuantumPacket(background,&wand->images->background_color); 8597 return(MagickTrue); 8598} 8599 8600/* 8601%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8602% % 8603% % 8604% % 8605% M a g i c k S e t I m a g e B i a s % 8606% % 8607% % 8608% % 8609%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8610% 8611% MagickSetImageBias() sets the image bias for any method that convolves an 8612% image (e.g. MagickConvolveImage()). 8613% 8614% The format of the MagickSetImageBias method is: 8615% 8616% MagickBooleanType MagickSetImageBias(MagickWand *wand, 8617% const double bias) 8618% 8619% A description of each parameter follows: 8620% 8621% o wand: the magick wand. 8622% 8623% o bias: the image bias. 8624% 8625*/ 8626WandExport MagickBooleanType MagickSetImageBias(MagickWand *wand, 8627 const double bias) 8628{ 8629 assert(wand != (MagickWand *) NULL); 8630 assert(wand->signature == WandSignature); 8631 if (wand->debug != MagickFalse) 8632 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8633 if (wand->images == (Image *) NULL) 8634 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8635 wand->images->bias=bias; 8636 return(MagickTrue); 8637} 8638 8639/* 8640%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8641% % 8642% % 8643% % 8644% 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 % 8645% % 8646% % 8647% % 8648%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8649% 8650% MagickSetImageBluePrimary() sets the image chromaticity blue primary point. 8651% 8652% The format of the MagickSetImageBluePrimary method is: 8653% 8654% MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 8655% const double x,const double y) 8656% 8657% A description of each parameter follows: 8658% 8659% o wand: the magick wand. 8660% 8661% o x: the blue primary x-point. 8662% 8663% o y: the blue primary y-point. 8664% 8665*/ 8666WandExport MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 8667 const double x,const double y) 8668{ 8669 assert(wand != (MagickWand *) NULL); 8670 assert(wand->signature == WandSignature); 8671 if (wand->debug != MagickFalse) 8672 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8673 if (wand->images == (Image *) NULL) 8674 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8675 wand->images->chromaticity.blue_primary.x=x; 8676 wand->images->chromaticity.blue_primary.y=y; 8677 return(MagickTrue); 8678} 8679 8680/* 8681%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8682% % 8683% % 8684% % 8685% 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 % 8686% % 8687% % 8688% % 8689%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8690% 8691% MagickSetImageBorderColor() sets the image border color. 8692% 8693% The format of the MagickSetImageBorderColor method is: 8694% 8695% MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 8696% const PixelWand *border) 8697% 8698% A description of each parameter follows: 8699% 8700% o wand: the magick wand. 8701% 8702% o border: the border pixel wand. 8703% 8704*/ 8705WandExport MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 8706 const PixelWand *border) 8707{ 8708 assert(wand != (MagickWand *) NULL); 8709 assert(wand->signature == WandSignature); 8710 if (wand->debug != MagickFalse) 8711 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8712 if (wand->images == (Image *) NULL) 8713 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8714 PixelGetQuantumPacket(border,&wand->images->border_color); 8715 return(MagickTrue); 8716} 8717 8718/* 8719%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8720% % 8721% % 8722% % 8723% M a g i c k S e t I m a g e C l i p M a s k % 8724% % 8725% % 8726% % 8727%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8728% 8729% MagickSetImageClipMask() sets image clip mask. 8730% 8731% The format of the MagickSetImageClipMask method is: 8732% 8733% MagickBooleanType MagickSetImageClipMask(MagickWand *wand, 8734% const MagickWand *clip_mask) 8735% 8736% A description of each parameter follows: 8737% 8738% o wand: the magick wand. 8739% 8740% o clip_mask: the clip_mask wand. 8741% 8742*/ 8743WandExport MagickBooleanType MagickSetImageClipMask(MagickWand *wand, 8744 const MagickWand *clip_mask) 8745{ 8746 assert(wand != (MagickWand *) NULL); 8747 assert(wand->signature == WandSignature); 8748 if (wand->debug != MagickFalse) 8749 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8750 assert(clip_mask != (MagickWand *) NULL); 8751 assert(clip_mask->signature == WandSignature); 8752 if (wand->debug != MagickFalse) 8753 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clip_mask->name); 8754 if (clip_mask->images == (Image *) NULL) 8755 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8756 return(SetImageClipMask(wand->images,clip_mask->images,wand->exception)); 8757} 8758 8759/* 8760%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8761% % 8762% % 8763% % 8764% M a g i c k S e t I m a g e C o l o r % 8765% % 8766% % 8767% % 8768%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8769% 8770% MagickSetImageColor() set the entire wand canvas to the specified color. 8771% 8772% The format of the MagickSetImageColor method is: 8773% 8774% MagickBooleanType MagickSetImageColor(MagickWand *wand, 8775% const PixelWand *color) 8776% 8777% A description of each parameter follows: 8778% 8779% o wand: the magick wand. 8780% 8781% o background: the image color. 8782% 8783*/ 8784WandExport MagickBooleanType MagickSetImageColor(MagickWand *wand, 8785 const PixelWand *color) 8786{ 8787 PixelInfo 8788 pixel; 8789 8790 assert(wand != (MagickWand *) NULL); 8791 assert(wand->signature == WandSignature); 8792 if (wand->debug != MagickFalse) 8793 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8794 PixelGetMagickColor(color,&pixel); 8795 return(SetImageColor(wand->images,&pixel,wand->exception)); 8796} 8797 8798/* 8799%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8800% % 8801% % 8802% % 8803% 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 % 8804% % 8805% % 8806% % 8807%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8808% 8809% MagickSetImageColormapColor() sets the color of the specified colormap 8810% index. 8811% 8812% The format of the MagickSetImageColormapColor method is: 8813% 8814% MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 8815% const size_t index,const PixelWand *color) 8816% 8817% A description of each parameter follows: 8818% 8819% o wand: the magick wand. 8820% 8821% o index: the offset into the image colormap. 8822% 8823% o color: Return the colormap color in this wand. 8824% 8825*/ 8826WandExport MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 8827 const size_t index,const PixelWand *color) 8828{ 8829 assert(wand != (MagickWand *) NULL); 8830 assert(wand->signature == WandSignature); 8831 if (wand->debug != MagickFalse) 8832 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8833 if (wand->images == (Image *) NULL) 8834 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8835 if ((wand->images->colormap == (PixelInfo *) NULL) || 8836 (index >= wand->images->colors)) 8837 ThrowWandException(WandError,"InvalidColormapIndex",wand->name); 8838 PixelGetQuantumPacket(color,wand->images->colormap+index); 8839 return(SyncImage(wand->images)); 8840} 8841 8842/* 8843%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8844% % 8845% % 8846% % 8847% M a g i c k S e t I m a g e C o l o r s p a c e % 8848% % 8849% % 8850% % 8851%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8852% 8853% MagickSetImageColorspace() sets the image colorspace. 8854% 8855% The format of the MagickSetImageColorspace method is: 8856% 8857% MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 8858% const ColorspaceType colorspace) 8859% 8860% A description of each parameter follows: 8861% 8862% o wand: the magick wand. 8863% 8864% o colorspace: the image colorspace: UndefinedColorspace, RGBColorspace, 8865% GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, 8866% YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, 8867% YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, 8868% HSLColorspace, or HWBColorspace. 8869% 8870*/ 8871WandExport MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 8872 const ColorspaceType colorspace) 8873{ 8874 assert(wand != (MagickWand *) NULL); 8875 assert(wand->signature == WandSignature); 8876 if (wand->debug != MagickFalse) 8877 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8878 if (wand->images == (Image *) NULL) 8879 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8880 return(SetImageColorspace(wand->images,colorspace,wand->exception)); 8881} 8882 8883/* 8884%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8885% % 8886% % 8887% % 8888% M a g i c k S e t I m a g e C o m p o s e % 8889% % 8890% % 8891% % 8892%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8893% 8894% MagickSetImageCompose() sets the image composite operator, useful for 8895% specifying how to composite the image thumbnail when using the 8896% MagickMontageImage() method. 8897% 8898% The format of the MagickSetImageCompose method is: 8899% 8900% MagickBooleanType MagickSetImageCompose(MagickWand *wand, 8901% const CompositeOperator compose) 8902% 8903% A description of each parameter follows: 8904% 8905% o wand: the magick wand. 8906% 8907% o compose: the image composite operator. 8908% 8909*/ 8910WandExport MagickBooleanType MagickSetImageCompose(MagickWand *wand, 8911 const CompositeOperator compose) 8912{ 8913 assert(wand != (MagickWand *) NULL); 8914 assert(wand->signature == WandSignature); 8915 if (wand->debug != MagickFalse) 8916 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8917 if (wand->images == (Image *) NULL) 8918 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8919 wand->images->compose=compose; 8920 return(MagickTrue); 8921} 8922 8923/* 8924%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8925% % 8926% % 8927% % 8928% 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 % 8929% % 8930% % 8931% % 8932%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8933% 8934% MagickSetImageCompression() sets the image compression. 8935% 8936% The format of the MagickSetImageCompression method is: 8937% 8938% MagickBooleanType MagickSetImageCompression(MagickWand *wand, 8939% const CompressionType compression) 8940% 8941% A description of each parameter follows: 8942% 8943% o wand: the magick wand. 8944% 8945% o compression: the image compression type. 8946% 8947*/ 8948WandExport MagickBooleanType MagickSetImageCompression(MagickWand *wand, 8949 const CompressionType compression) 8950{ 8951 assert(wand != (MagickWand *) NULL); 8952 assert(wand->signature == WandSignature); 8953 if (wand->debug != MagickFalse) 8954 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8955 if (wand->images == (Image *) NULL) 8956 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8957 wand->images->compression=compression; 8958 return(MagickTrue); 8959} 8960 8961/* 8962%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8963% % 8964% % 8965% % 8966% 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 % 8967% % 8968% % 8969% % 8970%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8971% 8972% MagickSetImageCompressionQuality() sets the image compression quality. 8973% 8974% The format of the MagickSetImageCompressionQuality method is: 8975% 8976% MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 8977% const size_t quality) 8978% 8979% A description of each parameter follows: 8980% 8981% o wand: the magick wand. 8982% 8983% o quality: the image compression tlityype. 8984% 8985*/ 8986WandExport MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 8987 const size_t quality) 8988{ 8989 assert(wand != (MagickWand *) NULL); 8990 assert(wand->signature == WandSignature); 8991 if (wand->debug != MagickFalse) 8992 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8993 if (wand->images == (Image *) NULL) 8994 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8995 wand->images->quality=quality; 8996 return(MagickTrue); 8997} 8998 8999/* 9000%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9001% % 9002% % 9003% % 9004% M a g i c k S e t I m a g e D e l a y % 9005% % 9006% % 9007% % 9008%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9009% 9010% MagickSetImageDelay() sets the image delay. 9011% 9012% The format of the MagickSetImageDelay method is: 9013% 9014% MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9015% const size_t delay) 9016% 9017% A description of each parameter follows: 9018% 9019% o wand: the magick wand. 9020% 9021% o delay: the image delay in ticks-per-second units. 9022% 9023*/ 9024WandExport MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9025 const size_t delay) 9026{ 9027 assert(wand != (MagickWand *) NULL); 9028 assert(wand->signature == WandSignature); 9029 if (wand->debug != MagickFalse) 9030 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9031 if (wand->images == (Image *) NULL) 9032 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9033 wand->images->delay=delay; 9034 return(MagickTrue); 9035} 9036 9037/* 9038%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9039% % 9040% % 9041% % 9042% M a g i c k S e t I m a g e D e p t h % 9043% % 9044% % 9045% % 9046%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9047% 9048% MagickSetImageDepth() sets the image depth. 9049% 9050% The format of the MagickSetImageDepth method is: 9051% 9052% MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9053% const size_t depth) 9054% 9055% A description of each parameter follows: 9056% 9057% o wand: the magick wand. 9058% 9059% o depth: the image depth in bits: 8, 16, or 32. 9060% 9061*/ 9062WandExport MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9063 const size_t depth) 9064{ 9065 assert(wand != (MagickWand *) NULL); 9066 assert(wand->signature == WandSignature); 9067 if (wand->debug != MagickFalse) 9068 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9069 if (wand->images == (Image *) NULL) 9070 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9071 return(SetImageDepth(wand->images,depth)); 9072} 9073 9074/* 9075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9076% % 9077% % 9078% % 9079% M a g i c k S e t I m a g e D i s p o s e % 9080% % 9081% % 9082% % 9083%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9084% 9085% MagickSetImageDispose() sets the image disposal method. 9086% 9087% The format of the MagickSetImageDispose method is: 9088% 9089% MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9090% const DisposeType dispose) 9091% 9092% A description of each parameter follows: 9093% 9094% o wand: the magick wand. 9095% 9096% o dispose: the image disposeal type. 9097% 9098*/ 9099WandExport MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9100 const DisposeType dispose) 9101{ 9102 assert(wand != (MagickWand *) NULL); 9103 assert(wand->signature == WandSignature); 9104 if (wand->debug != MagickFalse) 9105 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9106 if (wand->images == (Image *) NULL) 9107 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9108 wand->images->dispose=dispose; 9109 return(MagickTrue); 9110} 9111 9112/* 9113%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9114% % 9115% % 9116% % 9117% M a g i c k S e t I m a g e E x t e n t % 9118% % 9119% % 9120% % 9121%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9122% 9123% MagickSetImageExtent() sets the image size (i.e. columns & rows). 9124% 9125% The format of the MagickSetImageExtent method is: 9126% 9127% MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9128% const size_t columns,const unsigned rows) 9129% 9130% A description of each parameter follows: 9131% 9132% o wand: the magick wand. 9133% 9134% o columns: The image width in pixels. 9135% 9136% o rows: The image height in pixels. 9137% 9138*/ 9139WandExport MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9140 const size_t columns,const size_t rows) 9141{ 9142 assert(wand != (MagickWand *) NULL); 9143 assert(wand->signature == WandSignature); 9144 if (wand->debug != MagickFalse) 9145 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9146 if (wand->images == (Image *) NULL) 9147 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9148 return(SetImageExtent(wand->images,columns,rows,wand->exception)); 9149} 9150 9151/* 9152%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9153% % 9154% % 9155% % 9156% M a g i c k S e t I m a g e F i l e n a m e % 9157% % 9158% % 9159% % 9160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9161% 9162% MagickSetImageFilename() sets the filename of a particular image in a 9163% sequence. 9164% 9165% The format of the MagickSetImageFilename method is: 9166% 9167% MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9168% const char *filename) 9169% 9170% A description of each parameter follows: 9171% 9172% o wand: the magick wand. 9173% 9174% o filename: the image filename. 9175% 9176*/ 9177WandExport MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9178 const char *filename) 9179{ 9180 assert(wand != (MagickWand *) NULL); 9181 assert(wand->signature == WandSignature); 9182 if (wand->debug != MagickFalse) 9183 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9184 if (wand->images == (Image *) NULL) 9185 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9186 if (filename != (const char *) NULL) 9187 (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); 9188 return(MagickTrue); 9189} 9190 9191/* 9192%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9193% % 9194% % 9195% % 9196% M a g i c k S e t I m a g e F o r m a t % 9197% % 9198% % 9199% % 9200%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9201% 9202% MagickSetImageFormat() sets the format of a particular image in a 9203% sequence. 9204% 9205% The format of the MagickSetImageFormat method is: 9206% 9207% MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9208% const char *format) 9209% 9210% A description of each parameter follows: 9211% 9212% o wand: the magick wand. 9213% 9214% o format: the image format. 9215% 9216*/ 9217WandExport MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9218 const char *format) 9219{ 9220 const MagickInfo 9221 *magick_info; 9222 9223 assert(wand != (MagickWand *) NULL); 9224 assert(wand->signature == WandSignature); 9225 if (wand->debug != MagickFalse) 9226 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9227 if (wand->images == (Image *) NULL) 9228 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9229 if ((format == (char *) NULL) || (*format == '\0')) 9230 { 9231 *wand->images->magick='\0'; 9232 return(MagickTrue); 9233 } 9234 magick_info=GetMagickInfo(format,wand->exception); 9235 if (magick_info == (const MagickInfo *) NULL) 9236 return(MagickFalse); 9237 ClearMagickException(wand->exception); 9238 (void) CopyMagickString(wand->images->magick,format,MaxTextExtent); 9239 return(MagickTrue); 9240} 9241 9242/* 9243%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9244% % 9245% % 9246% % 9247% M a g i c k S e t I m a g e F u z z % 9248% % 9249% % 9250% % 9251%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9252% 9253% MagickSetImageFuzz() sets the image fuzz. 9254% 9255% The format of the MagickSetImageFuzz method is: 9256% 9257% MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9258% const double fuzz) 9259% 9260% A description of each parameter follows: 9261% 9262% o wand: the magick wand. 9263% 9264% o fuzz: the image fuzz. 9265% 9266*/ 9267WandExport MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9268 const double fuzz) 9269{ 9270 assert(wand != (MagickWand *) NULL); 9271 assert(wand->signature == WandSignature); 9272 if (wand->debug != MagickFalse) 9273 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9274 if (wand->images == (Image *) NULL) 9275 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9276 wand->images->fuzz=fuzz; 9277 return(MagickTrue); 9278} 9279 9280/* 9281%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9282% % 9283% % 9284% % 9285% M a g i c k S e t I m a g e G a m m a % 9286% % 9287% % 9288% % 9289%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9290% 9291% MagickSetImageGamma() sets the image gamma. 9292% 9293% The format of the MagickSetImageGamma method is: 9294% 9295% MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9296% const double gamma) 9297% 9298% A description of each parameter follows: 9299% 9300% o wand: the magick wand. 9301% 9302% o gamma: the image gamma. 9303% 9304*/ 9305WandExport MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9306 const double gamma) 9307{ 9308 assert(wand != (MagickWand *) NULL); 9309 assert(wand->signature == WandSignature); 9310 if (wand->debug != MagickFalse) 9311 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9312 if (wand->images == (Image *) NULL) 9313 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9314 wand->images->gamma=gamma; 9315 return(MagickTrue); 9316} 9317 9318/* 9319%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9320% % 9321% % 9322% % 9323% M a g i c k S e t I m a g e G r a v i t y % 9324% % 9325% % 9326% % 9327%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9328% 9329% MagickSetImageGravity() sets the image gravity type. 9330% 9331% The format of the MagickSetImageGravity method is: 9332% 9333% MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9334% const GravityType gravity) 9335% 9336% A description of each parameter follows: 9337% 9338% o wand: the magick wand. 9339% 9340% o gravity: the image interlace scheme: NoInterlace, LineInterlace, 9341% PlaneInterlace, PartitionInterlace. 9342% 9343*/ 9344WandExport MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9345 const GravityType gravity) 9346{ 9347 assert(wand != (MagickWand *) NULL); 9348 assert(wand->signature == WandSignature); 9349 if (wand->debug != MagickFalse) 9350 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9351 if (wand->images == (Image *) NULL) 9352 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9353 wand->images->gravity=gravity; 9354 return(MagickTrue); 9355} 9356 9357/* 9358%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9359% % 9360% % 9361% % 9362% 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 % 9363% % 9364% % 9365% % 9366%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9367% 9368% MagickSetImageGreenPrimary() sets the image chromaticity green primary 9369% point. 9370% 9371% The format of the MagickSetImageGreenPrimary method is: 9372% 9373% MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9374% const double x,const double y) 9375% 9376% A description of each parameter follows: 9377% 9378% o wand: the magick wand. 9379% 9380% o x: the green primary x-point. 9381% 9382% o y: the green primary y-point. 9383% 9384% 9385*/ 9386WandExport MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9387 const double x,const double y) 9388{ 9389 assert(wand != (MagickWand *) NULL); 9390 assert(wand->signature == WandSignature); 9391 if (wand->debug != MagickFalse) 9392 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9393 if (wand->images == (Image *) NULL) 9394 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9395 wand->images->chromaticity.green_primary.x=x; 9396 wand->images->chromaticity.green_primary.y=y; 9397 return(MagickTrue); 9398} 9399 9400/* 9401%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9402% % 9403% % 9404% % 9405% 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 % 9406% % 9407% % 9408% % 9409%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9410% 9411% MagickSetImageInterlaceScheme() sets the image interlace scheme. 9412% 9413% The format of the MagickSetImageInterlaceScheme method is: 9414% 9415% MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9416% const InterlaceType interlace) 9417% 9418% A description of each parameter follows: 9419% 9420% o wand: the magick wand. 9421% 9422% o interlace: the image interlace scheme: NoInterlace, LineInterlace, 9423% PlaneInterlace, PartitionInterlace. 9424% 9425*/ 9426WandExport MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9427 const InterlaceType interlace) 9428{ 9429 assert(wand != (MagickWand *) NULL); 9430 assert(wand->signature == WandSignature); 9431 if (wand->debug != MagickFalse) 9432 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9433 if (wand->images == (Image *) NULL) 9434 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9435 wand->images->interlace=interlace; 9436 return(MagickTrue); 9437} 9438 9439/* 9440%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9441% % 9442% % 9443% % 9444% 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 % 9445% % 9446% % 9447% % 9448%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9449% 9450% MagickSetImagePixelInterpolateMethod() sets the image interpolate pixel method. 9451% 9452% The format of the MagickSetImagePixelInterpolateMethod method is: 9453% 9454% MagickBooleanType MagickSetImagePixelInterpolateMethod(MagickWand *wand, 9455% const PixelInterpolateMethod method) 9456% 9457% A description of each parameter follows: 9458% 9459% o wand: the magick wand. 9460% 9461% o method: the image interpole pixel methods: choose from Undefined, 9462% Average, Bicubic, Bilinear, Filter, Integer, Mesh, NearestNeighbor. 9463% 9464*/ 9465WandExport MagickBooleanType MagickSetImagePixelInterpolateMethod(MagickWand *wand, 9466 const PixelInterpolateMethod method) 9467{ 9468 assert(wand != (MagickWand *) NULL); 9469 assert(wand->signature == WandSignature); 9470 if (wand->debug != MagickFalse) 9471 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9472 if (wand->images == (Image *) NULL) 9473 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9474 wand->images->interpolate=method; 9475 return(MagickTrue); 9476} 9477 9478/* 9479%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9480% % 9481% % 9482% % 9483% M a g i c k S e t I m a g e I t e r a t i o n s % 9484% % 9485% % 9486% % 9487%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9488% 9489% MagickSetImageIterations() sets the image iterations. 9490% 9491% The format of the MagickSetImageIterations method is: 9492% 9493% MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9494% const size_t iterations) 9495% 9496% A description of each parameter follows: 9497% 9498% o wand: the magick wand. 9499% 9500% o delay: the image delay in 1/100th of a second. 9501% 9502*/ 9503WandExport MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9504 const size_t iterations) 9505{ 9506 assert(wand != (MagickWand *) NULL); 9507 assert(wand->signature == WandSignature); 9508 if (wand->debug != MagickFalse) 9509 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9510 if (wand->images == (Image *) NULL) 9511 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9512 wand->images->iterations=iterations; 9513 return(MagickTrue); 9514} 9515 9516/* 9517%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9518% % 9519% % 9520% % 9521% M a g i c k S e t I m a g e M a t t e % 9522% % 9523% % 9524% % 9525%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9526% 9527% MagickSetImageMatte() sets the image matte channel. 9528% 9529% The format of the MagickSetImageMatteColor method is: 9530% 9531% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9532% const MagickBooleanType *matte) 9533% 9534% A description of each parameter follows: 9535% 9536% o wand: the magick wand. 9537% 9538% o matte: Set to MagickTrue to enable the image matte channel otherwise 9539% MagickFalse. 9540% 9541*/ 9542WandExport MagickBooleanType MagickSetImageMatte(MagickWand *wand, 9543 const MagickBooleanType matte) 9544{ 9545 assert(wand != (MagickWand *) NULL); 9546 assert(wand->signature == WandSignature); 9547 if (wand->debug != MagickFalse) 9548 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9549 if (wand->images == (Image *) NULL) 9550 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9551 if ((wand->images->matte == MagickFalse) && (matte != MagickFalse)) 9552 (void) SetImageAlpha(wand->images,OpaqueAlpha,wand->exception); 9553 wand->images->matte=matte; 9554 return(MagickTrue); 9555} 9556 9557/* 9558%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9559% % 9560% % 9561% % 9562% M a g i c k S e t I m a g e M a t t e C o l o r % 9563% % 9564% % 9565% % 9566%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9567% 9568% MagickSetImageMatteColor() sets the image matte color. 9569% 9570% The format of the MagickSetImageMatteColor method is: 9571% 9572% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9573% const PixelWand *matte) 9574% 9575% A description of each parameter follows: 9576% 9577% o wand: the magick wand. 9578% 9579% o matte: the matte pixel wand. 9580% 9581*/ 9582WandExport MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9583 const PixelWand *matte) 9584{ 9585 assert(wand != (MagickWand *) NULL); 9586 assert(wand->signature == WandSignature); 9587 if (wand->debug != MagickFalse) 9588 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9589 if (wand->images == (Image *) NULL) 9590 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9591 PixelGetQuantumPacket(matte,&wand->images->matte_color); 9592 return(MagickTrue); 9593} 9594 9595/* 9596%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9597% % 9598% % 9599% % 9600% M a g i c k S e t I m a g e O p a c i t y % 9601% % 9602% % 9603% % 9604%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9605% 9606% MagickSetImageAlpha() sets the image to the specified alpha level. 9607% 9608% The format of the MagickSetImageAlpha method is: 9609% 9610% MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 9611% const double alpha) 9612% 9613% A description of each parameter follows: 9614% 9615% o wand: the magick wand. 9616% 9617% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 9618% transparent. 9619% 9620*/ 9621WandExport MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 9622 const double alpha) 9623{ 9624 MagickBooleanType 9625 status; 9626 9627 assert(wand != (MagickWand *) NULL); 9628 assert(wand->signature == WandSignature); 9629 if (wand->debug != MagickFalse) 9630 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9631 if (wand->images == (Image *) NULL) 9632 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9633 status=SetImageAlpha(wand->images,ClampToQuantum(QuantumRange*alpha), 9634 wand->exception); 9635 return(status); 9636} 9637 9638/* 9639%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9640% % 9641% % 9642% % 9643% 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 % 9644% % 9645% % 9646% % 9647%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9648% 9649% MagickSetImageOrientation() sets the image orientation. 9650% 9651% The format of the MagickSetImageOrientation method is: 9652% 9653% MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 9654% const OrientationType orientation) 9655% 9656% A description of each parameter follows: 9657% 9658% o wand: the magick wand. 9659% 9660% o orientation: the image orientation type. 9661% 9662*/ 9663WandExport MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 9664 const OrientationType orientation) 9665{ 9666 assert(wand != (MagickWand *) NULL); 9667 assert(wand->signature == WandSignature); 9668 if (wand->debug != MagickFalse) 9669 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9670 if (wand->images == (Image *) NULL) 9671 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9672 wand->images->orientation=orientation; 9673 return(MagickTrue); 9674} 9675 9676/* 9677%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9678% % 9679% % 9680% % 9681% M a g i c k S e t I m a g e P a g e % 9682% % 9683% % 9684% % 9685%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9686% 9687% MagickSetImagePage() sets the page geometry of the image. 9688% 9689% The format of the MagickSetImagePage method is: 9690% 9691% MagickBooleanType MagickSetImagePage(MagickWand *wand, 9692% const size_t width,const size_t height,const ssize_t x, 9693% const ssize_t y) 9694% 9695% A description of each parameter follows: 9696% 9697% o wand: the magick wand. 9698% 9699% o width: the page width. 9700% 9701% o height: the page height. 9702% 9703% o x: the page x-offset. 9704% 9705% o y: the page y-offset. 9706% 9707*/ 9708WandExport MagickBooleanType MagickSetImagePage(MagickWand *wand, 9709 const size_t width,const size_t height,const ssize_t x, 9710 const ssize_t y) 9711{ 9712 assert(wand != (MagickWand *) NULL); 9713 assert(wand->signature == WandSignature); 9714 if (wand->debug != MagickFalse) 9715 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9716 if (wand->images == (Image *) NULL) 9717 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9718 wand->images->page.width=width; 9719 wand->images->page.height=height; 9720 wand->images->page.x=x; 9721 wand->images->page.y=y; 9722 return(MagickTrue); 9723} 9724 9725/* 9726%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9727% % 9728% % 9729% % 9730% 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 % 9731% % 9732% % 9733% % 9734%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9735% 9736% MagickSetImageProgressMonitor() sets the wand image progress monitor to the 9737% specified method and returns the previous progress monitor if any. The 9738% progress monitor method looks like this: 9739% 9740% MagickBooleanType MagickProgressMonitor(const char *text, 9741% const MagickOffsetType offset,const MagickSizeType span, 9742% void *client_data) 9743% 9744% If the progress monitor returns MagickFalse, the current operation is 9745% interrupted. 9746% 9747% The format of the MagickSetImageProgressMonitor method is: 9748% 9749% MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand 9750% const MagickProgressMonitor progress_monitor,void *client_data) 9751% 9752% A description of each parameter follows: 9753% 9754% o wand: the magick wand. 9755% 9756% o progress_monitor: Specifies a pointer to a method to monitor progress 9757% of an image operation. 9758% 9759% o client_data: Specifies a pointer to any client data. 9760% 9761*/ 9762WandExport MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand, 9763 const MagickProgressMonitor progress_monitor,void *client_data) 9764{ 9765 MagickProgressMonitor 9766 previous_monitor; 9767 9768 assert(wand != (MagickWand *) NULL); 9769 assert(wand->signature == WandSignature); 9770 if (wand->debug != MagickFalse) 9771 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9772 if (wand->images == (Image *) NULL) 9773 { 9774 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 9775 "ContainsNoImages","`%s'",wand->name); 9776 return((MagickProgressMonitor) NULL); 9777 } 9778 previous_monitor=SetImageProgressMonitor(wand->images, 9779 progress_monitor,client_data); 9780 return(previous_monitor); 9781} 9782 9783/* 9784%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9785% % 9786% % 9787% % 9788% M a g i c k S e t I m a g e R e d P r i m a r y % 9789% % 9790% % 9791% % 9792%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9793% 9794% MagickSetImageRedPrimary() sets the image chromaticity red primary point. 9795% 9796% The format of the MagickSetImageRedPrimary method is: 9797% 9798% MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 9799% const double x,const double y) 9800% 9801% A description of each parameter follows: 9802% 9803% o wand: the magick wand. 9804% 9805% o x: the red primary x-point. 9806% 9807% o y: the red primary y-point. 9808% 9809*/ 9810WandExport MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 9811 const double x,const double y) 9812{ 9813 assert(wand != (MagickWand *) NULL); 9814 assert(wand->signature == WandSignature); 9815 if (wand->debug != MagickFalse) 9816 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9817 if (wand->images == (Image *) NULL) 9818 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9819 wand->images->chromaticity.red_primary.x=x; 9820 wand->images->chromaticity.red_primary.y=y; 9821 return(MagickTrue); 9822} 9823 9824/* 9825%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9826% % 9827% % 9828% % 9829% 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 % 9830% % 9831% % 9832% % 9833%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9834% 9835% MagickSetImageRenderingIntent() sets the image rendering intent. 9836% 9837% The format of the MagickSetImageRenderingIntent method is: 9838% 9839% MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 9840% const RenderingIntent rendering_intent) 9841% 9842% A description of each parameter follows: 9843% 9844% o wand: the magick wand. 9845% 9846% o rendering_intent: the image rendering intent: UndefinedIntent, 9847% SaturationIntent, PerceptualIntent, AbsoluteIntent, or RelativeIntent. 9848% 9849*/ 9850WandExport MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 9851 const RenderingIntent rendering_intent) 9852{ 9853 assert(wand != (MagickWand *) NULL); 9854 assert(wand->signature == WandSignature); 9855 if (wand->debug != MagickFalse) 9856 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9857 if (wand->images == (Image *) NULL) 9858 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9859 wand->images->rendering_intent=rendering_intent; 9860 return(MagickTrue); 9861} 9862 9863/* 9864%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9865% % 9866% % 9867% % 9868% M a g i c k S e t I m a g e R e s o l u t i o n % 9869% % 9870% % 9871% % 9872%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9873% 9874% MagickSetImageResolution() sets the image resolution. 9875% 9876% The format of the MagickSetImageResolution method is: 9877% 9878% MagickBooleanType MagickSetImageResolution(MagickWand *wand, 9879% const double x_resolution,const doubtl y_resolution) 9880% 9881% A description of each parameter follows: 9882% 9883% o wand: the magick wand. 9884% 9885% o x_resolution: the image x resolution. 9886% 9887% o y_resolution: the image y resolution. 9888% 9889*/ 9890WandExport MagickBooleanType MagickSetImageResolution(MagickWand *wand, 9891 const double x_resolution,const double y_resolution) 9892{ 9893 assert(wand != (MagickWand *) NULL); 9894 assert(wand->signature == WandSignature); 9895 if (wand->debug != MagickFalse) 9896 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9897 if (wand->images == (Image *) NULL) 9898 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9899 wand->images->x_resolution=x_resolution; 9900 wand->images->y_resolution=y_resolution; 9901 return(MagickTrue); 9902} 9903 9904/* 9905%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9906% % 9907% % 9908% % 9909% M a g i c k S e t I m a g e S c e n e % 9910% % 9911% % 9912% % 9913%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9914% 9915% MagickSetImageScene() sets the image scene. 9916% 9917% The format of the MagickSetImageScene method is: 9918% 9919% MagickBooleanType MagickSetImageScene(MagickWand *wand, 9920% const size_t scene) 9921% 9922% A description of each parameter follows: 9923% 9924% o wand: the magick wand. 9925% 9926% o delay: the image scene number. 9927% 9928*/ 9929WandExport MagickBooleanType MagickSetImageScene(MagickWand *wand, 9930 const size_t scene) 9931{ 9932 assert(wand != (MagickWand *) NULL); 9933 assert(wand->signature == WandSignature); 9934 if (wand->debug != MagickFalse) 9935 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9936 if (wand->images == (Image *) NULL) 9937 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9938 wand->images->scene=scene; 9939 return(MagickTrue); 9940} 9941 9942/* 9943%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9944% % 9945% % 9946% % 9947% 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 % 9948% % 9949% % 9950% % 9951%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9952% 9953% MagickSetImageTicksPerSecond() sets the image ticks-per-second. 9954% 9955% The format of the MagickSetImageTicksPerSecond method is: 9956% 9957% MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 9958% const ssize_t ticks_per-second) 9959% 9960% A description of each parameter follows: 9961% 9962% o wand: the magick wand. 9963% 9964% o ticks_per_second: the units to use for the image delay. 9965% 9966*/ 9967WandExport MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 9968 const ssize_t ticks_per_second) 9969{ 9970 assert(wand != (MagickWand *) NULL); 9971 assert(wand->signature == WandSignature); 9972 if (wand->debug != MagickFalse) 9973 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9974 if (wand->images == (Image *) NULL) 9975 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9976 wand->images->ticks_per_second=ticks_per_second; 9977 return(MagickTrue); 9978} 9979 9980/* 9981%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9982% % 9983% % 9984% % 9985% M a g i c k S e t I m a g e T y p e % 9986% % 9987% % 9988% % 9989%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9990% 9991% MagickSetImageType() sets the image type. 9992% 9993% The format of the MagickSetImageType method is: 9994% 9995% MagickBooleanType MagickSetImageType(MagickWand *wand, 9996% const ImageType image_type) 9997% 9998% A description of each parameter follows: 9999% 10000% o wand: the magick wand. 10001% 10002% o image_type: the image type: UndefinedType, BilevelType, GrayscaleType, 10003% GrayscaleMatteType, PaletteType, PaletteMatteType, TrueColorType, 10004% TrueColorMatteType, ColorSeparationType, ColorSeparationMatteType, 10005% or OptimizeType. 10006% 10007*/ 10008WandExport MagickBooleanType MagickSetImageType(MagickWand *wand, 10009 const ImageType image_type) 10010{ 10011 assert(wand != (MagickWand *) NULL); 10012 assert(wand->signature == WandSignature); 10013 if (wand->debug != MagickFalse) 10014 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10015 if (wand->images == (Image *) NULL) 10016 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10017 return(SetImageType(wand->images,image_type,wand->exception)); 10018} 10019 10020/* 10021%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10022% % 10023% % 10024% % 10025% M a g i c k S e t I m a g e U n i t s % 10026% % 10027% % 10028% % 10029%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10030% 10031% MagickSetImageUnits() sets the image units of resolution. 10032% 10033% The format of the MagickSetImageUnits method is: 10034% 10035% MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10036% const ResolutionType units) 10037% 10038% A description of each parameter follows: 10039% 10040% o wand: the magick wand. 10041% 10042% o units: the image units of resolution : UndefinedResolution, 10043% PixelsPerInchResolution, or PixelsPerCentimeterResolution. 10044% 10045*/ 10046WandExport MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10047 const ResolutionType units) 10048{ 10049 assert(wand != (MagickWand *) NULL); 10050 assert(wand->signature == WandSignature); 10051 if (wand->debug != MagickFalse) 10052 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10053 if (wand->images == (Image *) NULL) 10054 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10055 wand->images->units=units; 10056 return(MagickTrue); 10057} 10058 10059/* 10060%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10061% % 10062% % 10063% % 10064% 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 % 10065% % 10066% % 10067% % 10068%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10069% 10070% MagickSetImageVirtualPixelMethod() sets the image virtual pixel method. 10071% 10072% The format of the MagickSetImageVirtualPixelMethod method is: 10073% 10074% VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10075% const VirtualPixelMethod method) 10076% 10077% A description of each parameter follows: 10078% 10079% o wand: the magick wand. 10080% 10081% o method: the image virtual pixel method : UndefinedVirtualPixelMethod, 10082% ConstantVirtualPixelMethod, EdgeVirtualPixelMethod, 10083% MirrorVirtualPixelMethod, or TileVirtualPixelMethod. 10084% 10085*/ 10086WandExport VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10087 const VirtualPixelMethod method) 10088{ 10089 assert(wand != (MagickWand *) NULL); 10090 assert(wand->signature == WandSignature); 10091 if (wand->debug != MagickFalse) 10092 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10093 if (wand->images == (Image *) NULL) 10094 return(UndefinedVirtualPixelMethod); 10095 return(SetImageVirtualPixelMethod(wand->images,method)); 10096} 10097 10098/* 10099%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10100% % 10101% % 10102% % 10103% M a g i c k S e t I m a g e W h i t e P o i n t % 10104% % 10105% % 10106% % 10107%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10108% 10109% MagickSetImageWhitePoint() sets the image chromaticity white point. 10110% 10111% The format of the MagickSetImageWhitePoint method is: 10112% 10113% MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10114% const double x,const double y) 10115% 10116% A description of each parameter follows: 10117% 10118% o wand: the magick wand. 10119% 10120% o x: the white x-point. 10121% 10122% o y: the white y-point. 10123% 10124*/ 10125WandExport MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10126 const double x,const double y) 10127{ 10128 assert(wand != (MagickWand *) NULL); 10129 assert(wand->signature == WandSignature); 10130 if (wand->debug != MagickFalse) 10131 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10132 if (wand->images == (Image *) NULL) 10133 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10134 wand->images->chromaticity.white_point.x=x; 10135 wand->images->chromaticity.white_point.y=y; 10136 return(MagickTrue); 10137} 10138 10139/* 10140%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10141% % 10142% % 10143% % 10144% M a g i c k S h a d e I m a g e C h a n n e l % 10145% % 10146% % 10147% % 10148%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10149% 10150% MagickShadeImage() shines a distant light on an image to create a 10151% three-dimensional effect. You control the positioning of the light with 10152% azimuth and elevation; azimuth is measured in degrees off the x axis 10153% and elevation is measured in pixels above the Z axis. 10154% 10155% The format of the MagickShadeImage method is: 10156% 10157% MagickBooleanType MagickShadeImage(MagickWand *wand, 10158% const MagickBooleanType gray,const double azimuth, 10159% const double elevation) 10160% 10161% A description of each parameter follows: 10162% 10163% o wand: the magick wand. 10164% 10165% o gray: A value other than zero shades the intensity of each pixel. 10166% 10167% o azimuth, elevation: Define the light source direction. 10168% 10169*/ 10170WandExport MagickBooleanType MagickShadeImage(MagickWand *wand, 10171 const MagickBooleanType gray,const double asimuth,const double elevation) 10172{ 10173 Image 10174 *shade_image; 10175 10176 assert(wand != (MagickWand *) NULL); 10177 assert(wand->signature == WandSignature); 10178 if (wand->debug != MagickFalse) 10179 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10180 if (wand->images == (Image *) NULL) 10181 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10182 shade_image=ShadeImage(wand->images,gray,asimuth,elevation,wand->exception); 10183 if (shade_image == (Image *) NULL) 10184 return(MagickFalse); 10185 ReplaceImageInList(&wand->images,shade_image); 10186 return(MagickTrue); 10187} 10188 10189/* 10190%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10191% % 10192% % 10193% % 10194% M a g i c k S h a d o w I m a g e % 10195% % 10196% % 10197% % 10198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10199% 10200% MagickShadowImage() simulates an image shadow. 10201% 10202% The format of the MagickShadowImage method is: 10203% 10204% MagickBooleanType MagickShadowImage(MagickWand *wand, 10205% const double alpha,const double sigma,const ssize_t x,const ssize_t y) 10206% 10207% A description of each parameter follows: 10208% 10209% o wand: the magick wand. 10210% 10211% o alpha: percentage transparency. 10212% 10213% o sigma: the standard deviation of the Gaussian, in pixels. 10214% 10215% o x: the shadow x-offset. 10216% 10217% o y: the shadow y-offset. 10218% 10219*/ 10220WandExport MagickBooleanType MagickShadowImage(MagickWand *wand, 10221 const double alpha,const double sigma,const ssize_t x,const ssize_t y) 10222{ 10223 Image 10224 *shadow_image; 10225 10226 assert(wand != (MagickWand *) NULL); 10227 assert(wand->signature == WandSignature); 10228 if (wand->debug != MagickFalse) 10229 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10230 if (wand->images == (Image *) NULL) 10231 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10232 shadow_image=ShadowImage(wand->images,alpha,sigma,x,y,wand->exception); 10233 if (shadow_image == (Image *) NULL) 10234 return(MagickFalse); 10235 ReplaceImageInList(&wand->images,shadow_image); 10236 return(MagickTrue); 10237} 10238 10239/* 10240%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10241% % 10242% % 10243% % 10244% M a g i c k S h a r p e n I m a g e % 10245% % 10246% % 10247% % 10248%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10249% 10250% MagickSharpenImage() sharpens an image. We convolve the image with a 10251% Gaussian operator of the given radius and standard deviation (sigma). 10252% For reasonable results, the radius should be larger than sigma. Use a 10253% radius of 0 and MagickSharpenImage() selects a suitable radius for you. 10254% 10255% The format of the MagickSharpenImage method is: 10256% 10257% MagickBooleanType MagickSharpenImage(MagickWand *wand, 10258% const double radius,const double sigma,const double bias) 10259% 10260% A description of each parameter follows: 10261% 10262% o wand: the magick wand. 10263% 10264% o radius: the radius of the Gaussian, in pixels, not counting the center 10265% pixel. 10266% 10267% o sigma: the standard deviation of the Gaussian, in pixels. 10268% 10269% o bias: the bias. 10270% 10271*/ 10272WandExport MagickBooleanType MagickSharpenImage(MagickWand *wand, 10273 const double radius,const double sigma,const double bias) 10274{ 10275 Image 10276 *sharp_image; 10277 10278 assert(wand != (MagickWand *) NULL); 10279 assert(wand->signature == WandSignature); 10280 if (wand->debug != MagickFalse) 10281 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10282 if (wand->images == (Image *) NULL) 10283 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10284 sharp_image=SharpenImage(wand->images,radius,sigma,bias,wand->exception); 10285 if (sharp_image == (Image *) NULL) 10286 return(MagickFalse); 10287 ReplaceImageInList(&wand->images,sharp_image); 10288 return(MagickTrue); 10289} 10290 10291/* 10292%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10293% % 10294% % 10295% % 10296% M a g i c k S h a v e I m a g e % 10297% % 10298% % 10299% % 10300%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10301% 10302% MagickShaveImage() shaves pixels from the image edges. It allocates the 10303% memory necessary for the new Image structure and returns a pointer to the 10304% new image. 10305% 10306% The format of the MagickShaveImage method is: 10307% 10308% MagickBooleanType MagickShaveImage(MagickWand *wand, 10309% const size_t columns,const size_t rows) 10310% 10311% A description of each parameter follows: 10312% 10313% o wand: the magick wand. 10314% 10315% o columns: the number of columns in the scaled image. 10316% 10317% o rows: the number of rows in the scaled image. 10318% 10319% 10320*/ 10321WandExport MagickBooleanType MagickShaveImage(MagickWand *wand, 10322 const size_t columns,const size_t rows) 10323{ 10324 Image 10325 *shave_image; 10326 10327 RectangleInfo 10328 shave_info; 10329 10330 assert(wand != (MagickWand *) NULL); 10331 assert(wand->signature == WandSignature); 10332 if (wand->debug != MagickFalse) 10333 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10334 if (wand->images == (Image *) NULL) 10335 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10336 shave_info.width=columns; 10337 shave_info.height=rows; 10338 shave_info.x=0; 10339 shave_info.y=0; 10340 shave_image=ShaveImage(wand->images,&shave_info,wand->exception); 10341 if (shave_image == (Image *) NULL) 10342 return(MagickFalse); 10343 ReplaceImageInList(&wand->images,shave_image); 10344 return(MagickTrue); 10345} 10346 10347/* 10348%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10349% % 10350% % 10351% % 10352% M a g i c k S h e a r I m a g e % 10353% % 10354% % 10355% % 10356%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10357% 10358% MagickShearImage() slides one edge of an image along the X or Y axis, 10359% creating a parallelogram. An X direction shear slides an edge along the X 10360% axis, while a Y direction shear slides an edge along the Y axis. The amount 10361% of the shear is controlled by a shear angle. For X direction shears, x_shear 10362% is measured relative to the Y axis, and similarly, for Y direction shears 10363% y_shear is measured relative to the X axis. Empty triangles left over from 10364% shearing the image are filled with the background color. 10365% 10366% The format of the MagickShearImage method is: 10367% 10368% MagickBooleanType MagickShearImage(MagickWand *wand, 10369% const PixelWand *background,const double x_shear,onst double y_shear) 10370% 10371% A description of each parameter follows: 10372% 10373% o wand: the magick wand. 10374% 10375% o background: the background pixel wand. 10376% 10377% o x_shear: the number of degrees to shear the image. 10378% 10379% o y_shear: the number of degrees to shear the image. 10380% 10381*/ 10382WandExport MagickBooleanType MagickShearImage(MagickWand *wand, 10383 const PixelWand *background,const double x_shear,const double y_shear) 10384{ 10385 Image 10386 *shear_image; 10387 10388 assert(wand != (MagickWand *) NULL); 10389 assert(wand->signature == WandSignature); 10390 if (wand->debug != MagickFalse) 10391 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10392 if (wand->images == (Image *) NULL) 10393 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10394 PixelGetQuantumPacket(background,&wand->images->background_color); 10395 shear_image=ShearImage(wand->images,x_shear,y_shear,wand->exception); 10396 if (shear_image == (Image *) NULL) 10397 return(MagickFalse); 10398 ReplaceImageInList(&wand->images,shear_image); 10399 return(MagickTrue); 10400} 10401 10402/* 10403%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10404% % 10405% % 10406% % 10407% 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 % 10408% % 10409% % 10410% % 10411%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10412% 10413% MagickSigmoidalContrastImage() adjusts the contrast of an image with a 10414% non-linear sigmoidal contrast algorithm. Increase the contrast of the 10415% image using a sigmoidal transfer function without saturating highlights or 10416% shadows. Contrast indicates how much to increase the contrast (0 is none; 10417% 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in 10418% the resultant image (0 is white; 50% is middle-gray; 100% is black). Set 10419% sharpen to MagickTrue to increase the image contrast otherwise the contrast 10420% is reduced. 10421% 10422% The format of the MagickSigmoidalContrastImage method is: 10423% 10424% MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, 10425% const MagickBooleanType sharpen,const double alpha,const double beta) 10426% 10427% A description of each parameter follows: 10428% 10429% o wand: the magick wand. 10430% 10431% o sharpen: Increase or decrease image contrast. 10432% 10433% o alpha: strength of the contrast, the larger the number the more 10434% 'threshold-like' it becomes. 10435% 10436% o beta: midpoint of the function as a color value 0 to QuantumRange. 10437% 10438*/ 10439WandExport MagickBooleanType MagickSigmoidalContrastImage( 10440 MagickWand *wand,const MagickBooleanType sharpen,const double alpha, 10441 const double beta) 10442{ 10443 MagickBooleanType 10444 status; 10445 10446 assert(wand != (MagickWand *) NULL); 10447 assert(wand->signature == WandSignature); 10448 if (wand->debug != MagickFalse) 10449 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10450 if (wand->images == (Image *) NULL) 10451 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10452 status=SigmoidalContrastImage(wand->images,sharpen,alpha,beta, 10453 wand->exception); 10454 return(status); 10455} 10456 10457/* 10458%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10459% % 10460% % 10461% % 10462% M a g i c k S i m i l a r i t y I m a g e % 10463% % 10464% % 10465% % 10466%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10467% 10468% MagickSimilarityImage() compares the reference image of the image and 10469% returns the best match offset. In addition, it returns a similarity image 10470% such that an exact match location is completely white and if none of the 10471% pixels match, black, otherwise some gray level in-between. 10472% 10473% The format of the MagickSimilarityImage method is: 10474% 10475% MagickWand *MagickSimilarityImage(MagickWand *wand, 10476% const MagickWand *reference,RectangeInfo *offset,double *similarity) 10477% 10478% A description of each parameter follows: 10479% 10480% o wand: the magick wand. 10481% 10482% o reference: the reference wand. 10483% 10484% o offset: the best match offset of the reference image within the image. 10485% 10486% o similarity: the computed similarity between the images. 10487% 10488*/ 10489WandExport MagickWand *MagickSimilarityImage(MagickWand *wand, 10490 const MagickWand *reference,RectangleInfo *offset,double *similarity) 10491{ 10492 Image 10493 *similarity_image; 10494 10495 assert(wand != (MagickWand *) NULL); 10496 assert(wand->signature == WandSignature); 10497 if (wand->debug != MagickFalse) 10498 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10499 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 10500 { 10501 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10502 "ContainsNoImages","`%s'",wand->name); 10503 return((MagickWand *) NULL); 10504 } 10505 similarity_image=SimilarityImage(wand->images,reference->images,offset, 10506 similarity,wand->exception); 10507 if (similarity_image == (Image *) NULL) 10508 return((MagickWand *) NULL); 10509 return(CloneMagickWandFromImages(wand,similarity_image)); 10510} 10511 10512/* 10513%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10514% % 10515% % 10516% % 10517% M a g i c k S k e t c h I m a g e % 10518% % 10519% % 10520% % 10521%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10522% 10523% MagickSketchImage() simulates a pencil sketch. We convolve the image with 10524% a Gaussian operator of the given radius and standard deviation (sigma). 10525% For reasonable results, radius should be larger than sigma. Use a 10526% radius of 0 and SketchImage() selects a suitable radius for you. 10527% Angle gives the angle of the blurring motion. 10528% 10529% The format of the MagickSketchImage method is: 10530% 10531% MagickBooleanType MagickSketchImage(MagickWand *wand, 10532% const double radius,const double sigma,const double angle, 10533% const double bias) 10534% 10535% A description of each parameter follows: 10536% 10537% o wand: the magick wand. 10538% 10539% o radius: the radius of the Gaussian, in pixels, not counting 10540% the center pixel. 10541% 10542% o sigma: the standard deviation of the Gaussian, in pixels. 10543% 10544% o angle: apply the effect along this angle. 10545% 10546% o bias: the bias. 10547% 10548*/ 10549WandExport MagickBooleanType MagickSketchImage(MagickWand *wand, 10550 const double radius,const double sigma,const double angle,const double bias) 10551{ 10552 Image 10553 *sketch_image; 10554 10555 assert(wand != (MagickWand *) NULL); 10556 assert(wand->signature == WandSignature); 10557 if (wand->debug != MagickFalse) 10558 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10559 if (wand->images == (Image *) NULL) 10560 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10561 sketch_image=SketchImage(wand->images,radius,sigma,angle,bias, 10562 wand->exception); 10563 if (sketch_image == (Image *) NULL) 10564 return(MagickFalse); 10565 ReplaceImageInList(&wand->images,sketch_image); 10566 return(MagickTrue); 10567} 10568 10569/* 10570%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10571% % 10572% % 10573% % 10574% M a g i c k S m u s h I m a g e s % 10575% % 10576% % 10577% % 10578%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10579% 10580% MagickSmushImages() takes all images from the current image pointer to the 10581% end of the image list and smushs them to each other top-to-bottom if the 10582% stack parameter is true, otherwise left-to-right. 10583% 10584% The format of the MagickSmushImages method is: 10585% 10586% MagickWand *MagickSmushImages(MagickWand *wand, 10587% const MagickBooleanType stack,const ssize_t offset) 10588% 10589% A description of each parameter follows: 10590% 10591% o wand: the magick wand. 10592% 10593% o stack: By default, images are stacked left-to-right. Set stack to 10594% MagickTrue to stack them top-to-bottom. 10595% 10596% o offset: minimum distance in pixels between images. 10597% 10598*/ 10599WandExport MagickWand *MagickSmushImages(MagickWand *wand, 10600 const MagickBooleanType stack,const ssize_t offset) 10601{ 10602 Image 10603 *smush_image; 10604 10605 assert(wand != (MagickWand *) NULL); 10606 assert(wand->signature == WandSignature); 10607 if (wand->debug != MagickFalse) 10608 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10609 if (wand->images == (Image *) NULL) 10610 return((MagickWand *) NULL); 10611 smush_image=SmushImages(wand->images,stack,offset,wand->exception); 10612 if (smush_image == (Image *) NULL) 10613 return((MagickWand *) NULL); 10614 return(CloneMagickWandFromImages(wand,smush_image)); 10615} 10616 10617/* 10618%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10619% % 10620% % 10621% % 10622% M a g i c k S o l a r i z e I m a g e % 10623% % 10624% % 10625% % 10626%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10627% 10628% MagickSolarizeImage() applies a special effect to the image, similar to the 10629% effect achieved in a photo darkroom by selectively exposing areas of photo 10630% sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a 10631% measure of the extent of the solarization. 10632% 10633% The format of the MagickSolarizeImage method is: 10634% 10635% MagickBooleanType MagickSolarizeImage(MagickWand *wand, 10636% const double threshold) 10637% 10638% A description of each parameter follows: 10639% 10640% o wand: the magick wand. 10641% 10642% o threshold: Define the extent of the solarization. 10643% 10644*/ 10645WandExport MagickBooleanType MagickSolarizeImage(MagickWand *wand, 10646 const double threshold) 10647{ 10648 MagickBooleanType 10649 status; 10650 10651 assert(wand != (MagickWand *) NULL); 10652 assert(wand->signature == WandSignature); 10653 if (wand->debug != MagickFalse) 10654 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10655 if (wand->images == (Image *) NULL) 10656 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10657 status=SolarizeImage(wand->images,threshold,wand->exception); 10658 return(status); 10659} 10660 10661/* 10662%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10663% % 10664% % 10665% % 10666% M a g i c k S p a r s e C o l o r I m a g e % 10667% % 10668% % 10669% % 10670%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10671% 10672% MagickSparseColorImage(), given a set of coordinates, interpolates the 10673% colors found at those coordinates, across the whole image, using various 10674% methods. 10675% 10676% The format of the MagickSparseColorImage method is: 10677% 10678% MagickBooleanType MagickSparseColorImage(MagickWand *wand, 10679% const SparseColorMethod method,const size_t number_arguments, 10680% const double *arguments) 10681% 10682% A description of each parameter follows: 10683% 10684% o image: the image to be sparseed. 10685% 10686% o method: the method of image sparseion. 10687% 10688% ArcSparseColorion will always ignore source image offset, and always 10689% 'bestfit' the destination image with the top left corner offset 10690% relative to the polar mapping center. 10691% 10692% Bilinear has no simple inverse mapping so will not allow 'bestfit' 10693% style of image sparseion. 10694% 10695% Affine, Perspective, and Bilinear, will do least squares fitting of 10696% the distrotion when more than the minimum number of control point 10697% pairs are provided. 10698% 10699% Perspective, and Bilinear, will fall back to a Affine sparseion when 10700% less than 4 control point pairs are provided. While Affine sparseions 10701% will let you use any number of control point pairs, that is Zero pairs 10702% is a No-Op (viewport only) distrotion, one pair is a translation and 10703% two pairs of control points will do a scale-rotate-translate, without 10704% any shearing. 10705% 10706% o number_arguments: the number of arguments given for this sparseion 10707% method. 10708% 10709% o arguments: the arguments for this sparseion method. 10710% 10711*/ 10712WandExport MagickBooleanType MagickSparseColorImage(MagickWand *wand, 10713 const SparseColorMethod method,const size_t number_arguments, 10714 const double *arguments) 10715{ 10716 Image 10717 *sparse_image; 10718 10719 assert(wand != (MagickWand *) NULL); 10720 assert(wand->signature == WandSignature); 10721 if (wand->debug != MagickFalse) 10722 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10723 if (wand->images == (Image *) NULL) 10724 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10725 sparse_image=SparseColorImage(wand->images,method,number_arguments,arguments, 10726 wand->exception); 10727 if (sparse_image == (Image *) NULL) 10728 return(MagickFalse); 10729 ReplaceImageInList(&wand->images,sparse_image); 10730 return(MagickTrue); 10731} 10732 10733/* 10734%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10735% % 10736% % 10737% % 10738% M a g i c k S p l i c e I m a g e % 10739% % 10740% % 10741% % 10742%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10743% 10744% MagickSpliceImage() splices a solid color into the image. 10745% 10746% The format of the MagickSpliceImage method is: 10747% 10748% MagickBooleanType MagickSpliceImage(MagickWand *wand, 10749% const size_t width,const size_t height,const ssize_t x, 10750% const ssize_t y) 10751% 10752% A description of each parameter follows: 10753% 10754% o wand: the magick wand. 10755% 10756% o width: the region width. 10757% 10758% o height: the region height. 10759% 10760% o x: the region x offset. 10761% 10762% o y: the region y offset. 10763% 10764*/ 10765WandExport MagickBooleanType MagickSpliceImage(MagickWand *wand, 10766 const size_t width,const size_t height,const ssize_t x, 10767 const ssize_t y) 10768{ 10769 Image 10770 *splice_image; 10771 10772 RectangleInfo 10773 splice; 10774 10775 assert(wand != (MagickWand *) NULL); 10776 assert(wand->signature == WandSignature); 10777 if (wand->debug != MagickFalse) 10778 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10779 if (wand->images == (Image *) NULL) 10780 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10781 splice.width=width; 10782 splice.height=height; 10783 splice.x=x; 10784 splice.y=y; 10785 splice_image=SpliceImage(wand->images,&splice,wand->exception); 10786 if (splice_image == (Image *) NULL) 10787 return(MagickFalse); 10788 ReplaceImageInList(&wand->images,splice_image); 10789 return(MagickTrue); 10790} 10791 10792/* 10793%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10794% % 10795% % 10796% % 10797% M a g i c k S p r e a d I m a g e % 10798% % 10799% % 10800% % 10801%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10802% 10803% MagickSpreadImage() is a special effects method that randomly displaces each 10804% pixel in a block defined by the radius parameter. 10805% 10806% The format of the MagickSpreadImage method is: 10807% 10808% MagickBooleanType MagickSpreadImage(MagickWand *wand,const double radius, 10809% const PixelInterpolateMethod method) 10810% 10811% A description of each parameter follows: 10812% 10813% o wand: the magick wand. 10814% 10815% o radius: Choose a random pixel in a neighborhood of this extent. 10816% 10817% o method: the pixel interpolation method. 10818% 10819*/ 10820WandExport MagickBooleanType MagickSpreadImage(MagickWand *wand, 10821 const double radius,const PixelInterpolateMethod method) 10822{ 10823 Image 10824 *spread_image; 10825 10826 assert(wand != (MagickWand *) NULL); 10827 assert(wand->signature == WandSignature); 10828 if (wand->debug != MagickFalse) 10829 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10830 if (wand->images == (Image *) NULL) 10831 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10832 spread_image=SpreadImage(wand->images,radius,method,wand->exception); 10833 if (spread_image == (Image *) NULL) 10834 return(MagickFalse); 10835 ReplaceImageInList(&wand->images,spread_image); 10836 return(MagickTrue); 10837} 10838 10839/* 10840%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10841% % 10842% % 10843% % 10844% M a g i c k S t a t i s t i c I m a g e % 10845% % 10846% % 10847% % 10848%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10849% 10850% MagickStatisticImage() replace each pixel with corresponding statistic from 10851% the neighborhood of the specified width and height. 10852% 10853% The format of the MagickStatisticImage method is: 10854% 10855% MagickBooleanType MagickStatisticImage(MagickWand *wand, 10856% const StatisticType type,const double width,const size_t height) 10857% 10858% A description of each parameter follows: 10859% 10860% o wand: the magick wand. 10861% 10862% o type: the statistic type (e.g. median, mode, etc.). 10863% 10864% o width: the width of the pixel neighborhood. 10865% 10866% o height: the height of the pixel neighborhood. 10867% 10868*/ 10869WandExport MagickBooleanType MagickStatisticImage(MagickWand *wand, 10870 const StatisticType type,const size_t width,const size_t height) 10871{ 10872 Image 10873 *statistic_image; 10874 10875 assert(wand != (MagickWand *) NULL); 10876 assert(wand->signature == WandSignature); 10877 if (wand->debug != MagickFalse) 10878 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10879 if (wand->images == (Image *) NULL) 10880 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10881 statistic_image=StatisticImage(wand->images,type,width,height, 10882 wand->exception); 10883 if (statistic_image == (Image *) NULL) 10884 return(MagickFalse); 10885 ReplaceImageInList(&wand->images,statistic_image); 10886 return(MagickTrue); 10887} 10888 10889/* 10890%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10891% % 10892% % 10893% % 10894% M a g i c k S t e g a n o I m a g e % 10895% % 10896% % 10897% % 10898%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10899% 10900% MagickSteganoImage() hides a digital watermark within the image. 10901% Recover the hidden watermark later to prove that the authenticity of 10902% an image. Offset defines the start position within the image to hide 10903% the watermark. 10904% 10905% The format of the MagickSteganoImage method is: 10906% 10907% MagickWand *MagickSteganoImage(MagickWand *wand, 10908% const MagickWand *watermark_wand,const ssize_t offset) 10909% 10910% A description of each parameter follows: 10911% 10912% o wand: the magick wand. 10913% 10914% o watermark_wand: the watermark wand. 10915% 10916% o offset: Start hiding at this offset into the image. 10917% 10918*/ 10919WandExport MagickWand *MagickSteganoImage(MagickWand *wand, 10920 const MagickWand *watermark_wand,const ssize_t offset) 10921{ 10922 Image 10923 *stegano_image; 10924 10925 assert(wand != (MagickWand *) NULL); 10926 assert(wand->signature == WandSignature); 10927 if (wand->debug != MagickFalse) 10928 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10929 if ((wand->images == (Image *) NULL) || 10930 (watermark_wand->images == (Image *) NULL)) 10931 { 10932 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10933 "ContainsNoImages","`%s'",wand->name); 10934 return((MagickWand *) NULL); 10935 } 10936 wand->images->offset=offset; 10937 stegano_image=SteganoImage(wand->images,watermark_wand->images, 10938 wand->exception); 10939 if (stegano_image == (Image *) NULL) 10940 return((MagickWand *) NULL); 10941 return(CloneMagickWandFromImages(wand,stegano_image)); 10942} 10943 10944/* 10945%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10946% % 10947% % 10948% % 10949% M a g i c k S t e r e o I m a g e % 10950% % 10951% % 10952% % 10953%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10954% 10955% MagickStereoImage() composites two images and produces a single image that 10956% is the composite of a left and right image of a stereo pair 10957% 10958% The format of the MagickStereoImage method is: 10959% 10960% MagickWand *MagickStereoImage(MagickWand *wand, 10961% const MagickWand *offset_wand) 10962% 10963% A description of each parameter follows: 10964% 10965% o wand: the magick wand. 10966% 10967% o offset_wand: Another image wand. 10968% 10969*/ 10970WandExport MagickWand *MagickStereoImage(MagickWand *wand, 10971 const MagickWand *offset_wand) 10972{ 10973 Image 10974 *stereo_image; 10975 10976 assert(wand != (MagickWand *) NULL); 10977 assert(wand->signature == WandSignature); 10978 if (wand->debug != MagickFalse) 10979 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10980 if ((wand->images == (Image *) NULL) || 10981 (offset_wand->images == (Image *) NULL)) 10982 { 10983 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10984 "ContainsNoImages","`%s'",wand->name); 10985 return((MagickWand *) NULL); 10986 } 10987 stereo_image=StereoImage(wand->images,offset_wand->images,wand->exception); 10988 if (stereo_image == (Image *) NULL) 10989 return((MagickWand *) NULL); 10990 return(CloneMagickWandFromImages(wand,stereo_image)); 10991} 10992 10993/* 10994%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10995% % 10996% % 10997% % 10998% M a g i c k S t r i p I m a g e % 10999% % 11000% % 11001% % 11002%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11003% 11004% MagickStripImage() strips an image of all profiles and comments. 11005% 11006% The format of the MagickStripImage method is: 11007% 11008% MagickBooleanType MagickStripImage(MagickWand *wand) 11009% 11010% A description of each parameter follows: 11011% 11012% o wand: the magick wand. 11013% 11014*/ 11015WandExport MagickBooleanType MagickStripImage(MagickWand *wand) 11016{ 11017 assert(wand != (MagickWand *) NULL); 11018 assert(wand->signature == WandSignature); 11019 if (wand->debug != MagickFalse) 11020 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11021 if (wand->images == (Image *) NULL) 11022 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11023 return(StripImage(wand->images,wand->exception)); 11024} 11025 11026/* 11027%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11028% % 11029% % 11030% % 11031% M a g i c k S w i r l I m a g e % 11032% % 11033% % 11034% % 11035%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11036% 11037% MagickSwirlImage() swirls the pixels about the center of the image, where 11038% degrees indicates the sweep of the arc through which each pixel is moved. 11039% You get a more dramatic effect as the degrees move from 1 to 360. 11040% 11041% The format of the MagickSwirlImage method is: 11042% 11043% MagickBooleanType MagickSwirlImage(MagickWand *wand,const double degrees, 11044% const PixelInterpolateMethod method) 11045% 11046% A description of each parameter follows: 11047% 11048% o wand: the magick wand. 11049% 11050% o degrees: Define the tightness of the swirling effect. 11051% 11052% o method: the pixel interpolation method. 11053% 11054*/ 11055WandExport MagickBooleanType MagickSwirlImage(MagickWand *wand, 11056 const double degrees,const PixelInterpolateMethod method) 11057{ 11058 Image 11059 *swirl_image; 11060 11061 assert(wand != (MagickWand *) NULL); 11062 assert(wand->signature == WandSignature); 11063 if (wand->debug != MagickFalse) 11064 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11065 if (wand->images == (Image *) NULL) 11066 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11067 swirl_image=SwirlImage(wand->images,degrees,method,wand->exception); 11068 if (swirl_image == (Image *) NULL) 11069 return(MagickFalse); 11070 ReplaceImageInList(&wand->images,swirl_image); 11071 return(MagickTrue); 11072} 11073 11074/* 11075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11076% % 11077% % 11078% % 11079% M a g i c k T e x t u r e I m a g e % 11080% % 11081% % 11082% % 11083%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11084% 11085% MagickTextureImage() repeatedly tiles the texture image across and down the 11086% image canvas. 11087% 11088% The format of the MagickTextureImage method is: 11089% 11090% MagickWand *MagickTextureImage(MagickWand *wand, 11091% const MagickWand *texture_wand) 11092% 11093% A description of each parameter follows: 11094% 11095% o wand: the magick wand. 11096% 11097% o texture_wand: the texture wand 11098% 11099*/ 11100WandExport MagickWand *MagickTextureImage(MagickWand *wand, 11101 const MagickWand *texture_wand) 11102{ 11103 Image 11104 *texture_image; 11105 11106 MagickBooleanType 11107 status; 11108 11109 assert(wand != (MagickWand *) NULL); 11110 assert(wand->signature == WandSignature); 11111 if (wand->debug != MagickFalse) 11112 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11113 if ((wand->images == (Image *) NULL) || 11114 (texture_wand->images == (Image *) NULL)) 11115 { 11116 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11117 "ContainsNoImages","`%s'",wand->name); 11118 return((MagickWand *) NULL); 11119 } 11120 texture_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11121 if (texture_image == (Image *) NULL) 11122 return((MagickWand *) NULL); 11123 status=TextureImage(texture_image,texture_wand->images,wand->exception); 11124 if (status == MagickFalse) 11125 { 11126 texture_image=DestroyImage(texture_image); 11127 return((MagickWand *) NULL); 11128 } 11129 return(CloneMagickWandFromImages(wand,texture_image)); 11130} 11131 11132/* 11133%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11134% % 11135% % 11136% % 11137% M a g i c k T h r e s h o l d I m a g e % 11138% % 11139% % 11140% % 11141%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11142% 11143% MagickThresholdImage() changes the value of individual pixels based on 11144% the intensity of each pixel compared to threshold. The result is a 11145% high-contrast, two color image. 11146% 11147% The format of the MagickThresholdImage method is: 11148% 11149% MagickBooleanType MagickThresholdImage(MagickWand *wand, 11150% const double threshold) 11151% MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11152% const ChannelType channel,const double threshold) 11153% 11154% A description of each parameter follows: 11155% 11156% o wand: the magick wand. 11157% 11158% o channel: the image channel(s). 11159% 11160% o threshold: Define the threshold value. 11161% 11162*/ 11163WandExport MagickBooleanType MagickThresholdImage(MagickWand *wand, 11164 const double threshold) 11165{ 11166 MagickBooleanType 11167 status; 11168 11169 status=MagickThresholdImageChannel(wand,DefaultChannels,threshold); 11170 return(status); 11171} 11172 11173WandExport MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11174 const ChannelType channel,const double threshold) 11175{ 11176 MagickBooleanType 11177 status; 11178 11179 assert(wand != (MagickWand *) NULL); 11180 assert(wand->signature == WandSignature); 11181 if (wand->debug != MagickFalse) 11182 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11183 if (wand->images == (Image *) NULL) 11184 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11185 status=BilevelImage(wand->images,threshold,wand->exception); 11186 return(status); 11187} 11188 11189/* 11190%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11191% % 11192% % 11193% % 11194% M a g i c k T h u m b n a i l I m a g e % 11195% % 11196% % 11197% % 11198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11199% 11200% MagickThumbnailImage() changes the size of an image to the given dimensions 11201% and removes any associated profiles. The goal is to produce small low cost 11202% thumbnail images suited for display on the Web. 11203% 11204% The format of the MagickThumbnailImage method is: 11205% 11206% MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11207% const size_t columns,const size_t rows) 11208% 11209% A description of each parameter follows: 11210% 11211% o wand: the magick wand. 11212% 11213% o columns: the number of columns in the scaled image. 11214% 11215% o rows: the number of rows in the scaled image. 11216% 11217*/ 11218WandExport MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11219 const size_t columns,const size_t rows) 11220{ 11221 Image 11222 *thumbnail_image; 11223 11224 assert(wand != (MagickWand *) NULL); 11225 assert(wand->signature == WandSignature); 11226 if (wand->debug != MagickFalse) 11227 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11228 if (wand->images == (Image *) NULL) 11229 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11230 thumbnail_image=ThumbnailImage(wand->images,columns,rows,wand->exception); 11231 if (thumbnail_image == (Image *) NULL) 11232 return(MagickFalse); 11233 ReplaceImageInList(&wand->images,thumbnail_image); 11234 return(MagickTrue); 11235} 11236 11237/* 11238%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11239% % 11240% % 11241% % 11242% M a g i c k T i n t I m a g e % 11243% % 11244% % 11245% % 11246%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11247% 11248% MagickTintImage() applies a color vector to each pixel in the image. The 11249% length of the vector is 0 for black and white and at its maximum for the 11250% midtones. The vector weighting function is 11251% f(x)=(1-(4.0*((x-0.5)*(x-0.5)))). 11252% 11253% The format of the MagickTintImage method is: 11254% 11255% MagickBooleanType MagickTintImage(MagickWand *wand, 11256% const PixelWand *tint,const PixelWand *blend) 11257% 11258% A description of each parameter follows: 11259% 11260% o wand: the magick wand. 11261% 11262% o tint: the tint pixel wand. 11263% 11264% o alpha: the alpha pixel wand. 11265% 11266*/ 11267WandExport MagickBooleanType MagickTintImage(MagickWand *wand, 11268 const PixelWand *tint,const PixelWand *blend) 11269{ 11270 char 11271 percent_blend[MaxTextExtent]; 11272 11273 Image 11274 *tint_image; 11275 11276 PixelInfo 11277 target; 11278 11279 assert(wand != (MagickWand *) NULL); 11280 assert(wand->signature == WandSignature); 11281 if (wand->debug != MagickFalse) 11282 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11283 if (wand->images == (Image *) NULL) 11284 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11285 if (wand->images->colorspace != CMYKColorspace) 11286 (void) FormatLocaleString(percent_blend,MaxTextExtent, 11287 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 11288 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 11289 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 11290 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 11291 PixelGetAlphaQuantum(blend))); 11292 else 11293 (void) FormatLocaleString(percent_blend,MaxTextExtent, 11294 "%g,%g,%g,%g,%g",(double) (100.0*QuantumScale* 11295 PixelGetCyanQuantum(blend)),(double) (100.0*QuantumScale* 11296 PixelGetMagentaQuantum(blend)),(double) (100.0*QuantumScale* 11297 PixelGetYellowQuantum(blend)),(double) (100.0*QuantumScale* 11298 PixelGetBlackQuantum(blend)),(double) (100.0*QuantumScale* 11299 PixelGetAlphaQuantum(blend))); 11300 target=PixelGetPixel(tint); 11301 tint_image=TintImage(wand->images,percent_blend,&target,wand->exception); 11302 if (tint_image == (Image *) NULL) 11303 return(MagickFalse); 11304 ReplaceImageInList(&wand->images,tint_image); 11305 return(MagickTrue); 11306} 11307 11308/* 11309%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11310% % 11311% % 11312% % 11313% M a g i c k T r a n s f o r m I m a g e % 11314% % 11315% % 11316% % 11317%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11318% 11319% MagickTransformImage() is a convenience method that behaves like 11320% MagickResizeImage() or MagickCropImage() but accepts scaling and/or cropping 11321% information as a region geometry specification. If the operation fails, 11322% a NULL image handle is returned. 11323% 11324% The format of the MagickTransformImage method is: 11325% 11326% MagickWand *MagickTransformImage(MagickWand *wand,const char *crop, 11327% const char *geometry) 11328% 11329% A description of each parameter follows: 11330% 11331% o wand: the magick wand. 11332% 11333% o crop: A crop geometry string. This geometry defines a subregion of the 11334% image to crop. 11335% 11336% o geometry: An image geometry string. This geometry defines the final 11337% size of the image. 11338% 11339*/ 11340WandExport MagickWand *MagickTransformImage(MagickWand *wand, 11341 const char *crop,const char *geometry) 11342{ 11343 Image 11344 *transform_image; 11345 11346 MagickBooleanType 11347 status; 11348 11349 assert(wand != (MagickWand *) NULL); 11350 assert(wand->signature == WandSignature); 11351 if (wand->debug != MagickFalse) 11352 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11353 if (wand->images == (Image *) NULL) 11354 return((MagickWand *) NULL); 11355 transform_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11356 if (transform_image == (Image *) NULL) 11357 return((MagickWand *) NULL); 11358 status=TransformImage(&transform_image,crop,geometry,wand->exception); 11359 if (status == MagickFalse) 11360 { 11361 transform_image=DestroyImage(transform_image); 11362 return((MagickWand *) NULL); 11363 } 11364 return(CloneMagickWandFromImages(wand,transform_image)); 11365} 11366 11367/* 11368%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11369% % 11370% % 11371% % 11372% 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 % 11373% % 11374% % 11375% % 11376%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11377% 11378% MagickTransformImageColorspace() transform the image colorspace. 11379% 11380% The format of the MagickTransformImageColorspace method is: 11381% 11382% MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11383% const ColorspaceType colorspace) 11384% 11385% A description of each parameter follows: 11386% 11387% o wand: the magick wand. 11388% 11389% o colorspace: the image colorspace: UndefinedColorspace, RGBColorspace, 11390% GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, 11391% YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, 11392% YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, 11393% HSLColorspace, or HWBColorspace. 11394% 11395*/ 11396WandExport MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11397 const ColorspaceType colorspace) 11398{ 11399 assert(wand != (MagickWand *) NULL); 11400 assert(wand->signature == WandSignature); 11401 if (wand->debug != MagickFalse) 11402 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11403 if (wand->images == (Image *) NULL) 11404 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11405 return(TransformImageColorspace(wand->images,colorspace,wand->exception)); 11406} 11407 11408/* 11409%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11410% % 11411% % 11412% % 11413% 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 % 11414% % 11415% % 11416% % 11417%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11418% 11419% MagickTransparentPaintImage() changes any pixel that matches color with the 11420% color defined by fill. 11421% 11422% The format of the MagickTransparentPaintImage method is: 11423% 11424% MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11425% const PixelWand *target,const double alpha,const double fuzz, 11426% const MagickBooleanType invert) 11427% 11428% A description of each parameter follows: 11429% 11430% o wand: the magick wand. 11431% 11432% o target: Change this target color to specified alpha value within 11433% the image. 11434% 11435% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 11436% transparent. 11437% 11438% o fuzz: By default target must match a particular pixel color 11439% exactly. However, in many cases two colors may differ by a small amount. 11440% The fuzz member of image defines how much tolerance is acceptable to 11441% consider two colors as the same. For example, set fuzz to 10 and the 11442% color red at intensities of 100 and 102 respectively are now interpreted 11443% as the same color for the purposes of the floodfill. 11444% 11445% o invert: paint any pixel that does not match the target color. 11446% 11447*/ 11448WandExport MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11449 const PixelWand *target,const double alpha,const double fuzz, 11450 const MagickBooleanType invert) 11451{ 11452 MagickBooleanType 11453 status; 11454 11455 PixelInfo 11456 target_pixel; 11457 11458 assert(wand != (MagickWand *) NULL); 11459 assert(wand->signature == WandSignature); 11460 if (wand->debug != MagickFalse) 11461 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11462 if (wand->images == (Image *) NULL) 11463 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11464 PixelGetMagickColor(target,&target_pixel); 11465 wand->images->fuzz=fuzz; 11466 status=TransparentPaintImage(wand->images,&target_pixel,ClampToQuantum( 11467 QuantumRange*alpha),invert,wand->exception); 11468 return(status); 11469} 11470 11471/* 11472%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11473% % 11474% % 11475% % 11476% M a g i c k T r a n s p o s e I m a g e % 11477% % 11478% % 11479% % 11480%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11481% 11482% MagickTransposeImage() creates a vertical mirror image by reflecting the 11483% pixels around the central x-axis while rotating them 90-degrees. 11484% 11485% The format of the MagickTransposeImage method is: 11486% 11487% MagickBooleanType MagickTransposeImage(MagickWand *wand) 11488% 11489% A description of each parameter follows: 11490% 11491% o wand: the magick wand. 11492% 11493*/ 11494WandExport MagickBooleanType MagickTransposeImage(MagickWand *wand) 11495{ 11496 Image 11497 *transpose_image; 11498 11499 assert(wand != (MagickWand *) NULL); 11500 assert(wand->signature == WandSignature); 11501 if (wand->debug != MagickFalse) 11502 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11503 if (wand->images == (Image *) NULL) 11504 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11505 transpose_image=TransposeImage(wand->images,wand->exception); 11506 if (transpose_image == (Image *) NULL) 11507 return(MagickFalse); 11508 ReplaceImageInList(&wand->images,transpose_image); 11509 return(MagickTrue); 11510} 11511 11512/* 11513%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11514% % 11515% % 11516% % 11517% M a g i c k T r a n s v e r s e I m a g e % 11518% % 11519% % 11520% % 11521%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11522% 11523% MagickTransverseImage() creates a horizontal mirror image by reflecting the 11524% pixels around the central y-axis while rotating them 270-degrees. 11525% 11526% The format of the MagickTransverseImage method is: 11527% 11528% MagickBooleanType MagickTransverseImage(MagickWand *wand) 11529% 11530% A description of each parameter follows: 11531% 11532% o wand: the magick wand. 11533% 11534*/ 11535WandExport MagickBooleanType MagickTransverseImage(MagickWand *wand) 11536{ 11537 Image 11538 *transverse_image; 11539 11540 assert(wand != (MagickWand *) NULL); 11541 assert(wand->signature == WandSignature); 11542 if (wand->debug != MagickFalse) 11543 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11544 if (wand->images == (Image *) NULL) 11545 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11546 transverse_image=TransverseImage(wand->images,wand->exception); 11547 if (transverse_image == (Image *) NULL) 11548 return(MagickFalse); 11549 ReplaceImageInList(&wand->images,transverse_image); 11550 return(MagickTrue); 11551} 11552 11553/* 11554%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11555% % 11556% % 11557% % 11558% M a g i c k T r i m I m a g e % 11559% % 11560% % 11561% % 11562%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11563% 11564% MagickTrimImage() remove edges that are the background color from the image. 11565% 11566% The format of the MagickTrimImage method is: 11567% 11568% MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 11569% 11570% A description of each parameter follows: 11571% 11572% o wand: the magick wand. 11573% 11574% o fuzz: By default target must match a particular pixel color 11575% exactly. However, in many cases two colors may differ by a small amount. 11576% The fuzz member of image defines how much tolerance is acceptable to 11577% consider two colors as the same. For example, set fuzz to 10 and the 11578% color red at intensities of 100 and 102 respectively are now interpreted 11579% as the same color for the purposes of the floodfill. 11580% 11581*/ 11582WandExport MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 11583{ 11584 Image 11585 *trim_image; 11586 11587 assert(wand != (MagickWand *) NULL); 11588 assert(wand->signature == WandSignature); 11589 if (wand->debug != MagickFalse) 11590 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11591 if (wand->images == (Image *) NULL) 11592 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11593 wand->images->fuzz=fuzz; 11594 trim_image=TrimImage(wand->images,wand->exception); 11595 if (trim_image == (Image *) NULL) 11596 return(MagickFalse); 11597 ReplaceImageInList(&wand->images,trim_image); 11598 return(MagickTrue); 11599} 11600 11601/* 11602%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11603% % 11604% % 11605% % 11606% M a g i c k U n i q u e I m a g e C o l o r s % 11607% % 11608% % 11609% % 11610%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11611% 11612% MagickUniqueImageColors() discards all but one of any pixel color. 11613% 11614% The format of the MagickUniqueImageColors method is: 11615% 11616% MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 11617% 11618% A description of each parameter follows: 11619% 11620% o wand: the magick wand. 11621% 11622*/ 11623WandExport MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 11624{ 11625 Image 11626 *unique_image; 11627 11628 assert(wand != (MagickWand *) NULL); 11629 assert(wand->signature == WandSignature); 11630 if (wand->debug != MagickFalse) 11631 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11632 if (wand->images == (Image *) NULL) 11633 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11634 unique_image=UniqueImageColors(wand->images,wand->exception); 11635 if (unique_image == (Image *) NULL) 11636 return(MagickFalse); 11637 ReplaceImageInList(&wand->images,unique_image); 11638 return(MagickTrue); 11639} 11640 11641/* 11642%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11643% % 11644% % 11645% % 11646% M a g i c k U n s h a r p M a s k I m a g e % 11647% % 11648% % 11649% % 11650%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11651% 11652% MagickUnsharpMaskImage() sharpens an image. We convolve the image with a 11653% Gaussian operator of the given radius and standard deviation (sigma). 11654% For reasonable results, radius should be larger than sigma. Use a radius 11655% of 0 and UnsharpMaskImage() selects a suitable radius for you. 11656% 11657% The format of the MagickUnsharpMaskImage method is: 11658% 11659% MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 11660% const double radius,const double sigma,const double amount, 11661% const double threshold) 11662% 11663% A description of each parameter follows: 11664% 11665% o wand: the magick wand. 11666% 11667% o radius: the radius of the Gaussian, in pixels, not counting the center 11668% pixel. 11669% 11670% o sigma: the standard deviation of the Gaussian, in pixels. 11671% 11672% o amount: the percentage of the difference between the original and the 11673% blur image that is added back into the original. 11674% 11675% o threshold: the threshold in pixels needed to apply the diffence amount. 11676% 11677*/ 11678WandExport MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 11679 const double radius,const double sigma,const double amount, 11680 const double threshold) 11681{ 11682 Image 11683 *unsharp_image; 11684 11685 assert(wand != (MagickWand *) NULL); 11686 assert(wand->signature == WandSignature); 11687 if (wand->debug != MagickFalse) 11688 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11689 if (wand->images == (Image *) NULL) 11690 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11691 unsharp_image=UnsharpMaskImage(wand->images,radius,sigma,amount,threshold, 11692 wand->exception); 11693 if (unsharp_image == (Image *) NULL) 11694 return(MagickFalse); 11695 ReplaceImageInList(&wand->images,unsharp_image); 11696 return(MagickTrue); 11697} 11698 11699/* 11700%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11701% % 11702% % 11703% % 11704% M a g i c k V i g n e t t e I m a g e % 11705% % 11706% % 11707% % 11708%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11709% 11710% MagickVignetteImage() softens the edges of the image in vignette style. 11711% 11712% The format of the MagickVignetteImage method is: 11713% 11714% MagickBooleanType MagickVignetteImage(MagickWand *wand, 11715% const double black_point,const double white_point,const ssize_t x, 11716% const ssize_t y) 11717% 11718% A description of each parameter follows: 11719% 11720% o wand: the magick wand. 11721% 11722% o black_point: the black point. 11723% 11724% o white_point: the white point. 11725% 11726% o x, y: Define the x and y ellipse offset. 11727% 11728*/ 11729WandExport MagickBooleanType MagickVignetteImage(MagickWand *wand, 11730 const double black_point,const double white_point,const ssize_t x,const ssize_t y) 11731{ 11732 Image 11733 *vignette_image; 11734 11735 assert(wand != (MagickWand *) NULL); 11736 assert(wand->signature == WandSignature); 11737 if (wand->debug != MagickFalse) 11738 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11739 if (wand->images == (Image *) NULL) 11740 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11741 vignette_image=VignetteImage(wand->images,black_point,white_point,x,y, 11742 wand->exception); 11743 if (vignette_image == (Image *) NULL) 11744 return(MagickFalse); 11745 ReplaceImageInList(&wand->images,vignette_image); 11746 return(MagickTrue); 11747} 11748 11749/* 11750%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11751% % 11752% % 11753% % 11754% M a g i c k W a v e I m a g e % 11755% % 11756% % 11757% % 11758%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11759% 11760% MagickWaveImage() creates a "ripple" effect in the image by shifting 11761% the pixels vertically along a sine wave whose amplitude and wavelength 11762% is specified by the given parameters. 11763% 11764% The format of the MagickWaveImage method is: 11765% 11766% MagickBooleanType MagickWaveImage(MagickWand *wand, 11767% const double amplitude,const double wave_length, 11768% const PixelInterpolateMethod method) 11769% 11770% A description of each parameter follows: 11771% 11772% o wand: the magick wand. 11773% 11774% o amplitude, wave_length: Define the amplitude and wave length of the 11775% sine wave. 11776% 11777% o method: the pixel interpolation method. 11778% 11779*/ 11780WandExport MagickBooleanType MagickWaveImage(MagickWand *wand, 11781 const double amplitude,const double wave_length, 11782 const PixelInterpolateMethod method) 11783{ 11784 Image 11785 *wave_image; 11786 11787 assert(wand != (MagickWand *) NULL); 11788 assert(wand->signature == WandSignature); 11789 if (wand->debug != MagickFalse) 11790 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11791 if (wand->images == (Image *) NULL) 11792 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11793 wave_image=WaveImage(wand->images,amplitude,wave_length,method, 11794 wand->exception); 11795 if (wave_image == (Image *) NULL) 11796 return(MagickFalse); 11797 ReplaceImageInList(&wand->images,wave_image); 11798 return(MagickTrue); 11799} 11800 11801/* 11802%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11803% % 11804% % 11805% % 11806% 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 % 11807% % 11808% % 11809% % 11810%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11811% 11812% MagickWhiteThresholdImage() is like ThresholdImage() but force all pixels 11813% above the threshold into white while leaving all pixels below the threshold 11814% unchanged. 11815% 11816% The format of the MagickWhiteThresholdImage method is: 11817% 11818% MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 11819% const PixelWand *threshold) 11820% 11821% A description of each parameter follows: 11822% 11823% o wand: the magick wand. 11824% 11825% o threshold: the pixel wand. 11826% 11827*/ 11828WandExport MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 11829 const PixelWand *threshold) 11830{ 11831 char 11832 thresholds[MaxTextExtent]; 11833 11834 assert(wand != (MagickWand *) NULL); 11835 assert(wand->signature == WandSignature); 11836 if (wand->debug != MagickFalse) 11837 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11838 if (wand->images == (Image *) NULL) 11839 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11840 (void) FormatLocaleString(thresholds,MaxTextExtent, 11841 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 11842 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 11843 PixelGetBlueQuantum(threshold),PixelGetAlphaQuantum(threshold)); 11844 return(WhiteThresholdImage(wand->images,thresholds,wand->exception)); 11845} 11846 11847/* 11848%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11849% % 11850% % 11851% % 11852% M a g i c k W r i t e I m a g e % 11853% % 11854% % 11855% % 11856%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11857% 11858% MagickWriteImage() writes an image to the specified filename. If the 11859% filename parameter is NULL, the image is written to the filename set 11860% by MagickReadImage() or MagickSetImageFilename(). 11861% 11862% The format of the MagickWriteImage method is: 11863% 11864% MagickBooleanType MagickWriteImage(MagickWand *wand, 11865% const char *filename) 11866% 11867% A description of each parameter follows: 11868% 11869% o wand: the magick wand. 11870% 11871% o filename: the image filename. 11872% 11873% 11874*/ 11875WandExport MagickBooleanType MagickWriteImage(MagickWand *wand, 11876 const char *filename) 11877{ 11878 Image 11879 *image; 11880 11881 ImageInfo 11882 *write_info; 11883 11884 MagickBooleanType 11885 status; 11886 11887 assert(wand != (MagickWand *) NULL); 11888 assert(wand->signature == WandSignature); 11889 if (wand->debug != MagickFalse) 11890 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11891 if (wand->images == (Image *) NULL) 11892 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11893 if (filename != (const char *) NULL) 11894 (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); 11895 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11896 if (image == (Image *) NULL) 11897 return(MagickFalse); 11898 write_info=CloneImageInfo(wand->image_info); 11899 write_info->adjoin=MagickTrue; 11900 status=WriteImage(write_info,image,wand->exception); 11901 image=DestroyImage(image); 11902 write_info=DestroyImageInfo(write_info); 11903 return(status); 11904} 11905 11906/* 11907%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11908% % 11909% % 11910% % 11911% M a g i c k W r i t e I m a g e F i l e % 11912% % 11913% % 11914% % 11915%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11916% 11917% MagickWriteImageFile() writes an image to an open file descriptor. 11918% 11919% The format of the MagickWriteImageFile method is: 11920% 11921% MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 11922% 11923% A description of each parameter follows: 11924% 11925% o wand: the magick wand. 11926% 11927% o file: the file descriptor. 11928% 11929*/ 11930WandExport MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 11931{ 11932 Image 11933 *image; 11934 11935 ImageInfo 11936 *write_info; 11937 11938 MagickBooleanType 11939 status; 11940 11941 assert(wand != (MagickWand *) NULL); 11942 assert(wand->signature == WandSignature); 11943 assert(file != (FILE *) NULL); 11944 if (wand->debug != MagickFalse) 11945 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11946 if (wand->images == (Image *) NULL) 11947 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11948 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11949 if (image == (Image *) NULL) 11950 return(MagickFalse); 11951 write_info=CloneImageInfo(wand->image_info); 11952 SetImageInfoFile(write_info,file); 11953 write_info->adjoin=MagickTrue; 11954 status=WriteImage(write_info,image,wand->exception); 11955 write_info=DestroyImageInfo(write_info); 11956 image=DestroyImage(image); 11957 return(status); 11958} 11959 11960/* 11961%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11962% % 11963% % 11964% % 11965% M a g i c k W r i t e I m a g e s % 11966% % 11967% % 11968% % 11969%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11970% 11971% MagickWriteImages() writes an image or image sequence. 11972% 11973% The format of the MagickWriteImages method is: 11974% 11975% MagickBooleanType MagickWriteImages(MagickWand *wand, 11976% const char *filename,const MagickBooleanType adjoin) 11977% 11978% A description of each parameter follows: 11979% 11980% o wand: the magick wand. 11981% 11982% o filename: the image filename. 11983% 11984% o adjoin: join images into a single multi-image file. 11985% 11986*/ 11987WandExport MagickBooleanType MagickWriteImages(MagickWand *wand, 11988 const char *filename,const MagickBooleanType adjoin) 11989{ 11990 ImageInfo 11991 *write_info; 11992 11993 MagickBooleanType 11994 status; 11995 11996 assert(wand != (MagickWand *) NULL); 11997 assert(wand->signature == WandSignature); 11998 if (wand->debug != MagickFalse) 11999 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12000 if (wand->images == (Image *) NULL) 12001 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12002 write_info=CloneImageInfo(wand->image_info); 12003 write_info->adjoin=adjoin; 12004 status=WriteImages(write_info,wand->images,filename,wand->exception); 12005 write_info=DestroyImageInfo(write_info); 12006 return(status); 12007} 12008 12009/* 12010%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12011% % 12012% % 12013% % 12014% M a g i c k W r i t e I m a g e s F i l e % 12015% % 12016% % 12017% % 12018%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12019% 12020% MagickWriteImagesFile() writes an image sequence to an open file descriptor. 12021% 12022% The format of the MagickWriteImagesFile method is: 12023% 12024% MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12025% 12026% A description of each parameter follows: 12027% 12028% o wand: the magick wand. 12029% 12030% o file: the file descriptor. 12031% 12032*/ 12033WandExport MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12034{ 12035 ImageInfo 12036 *write_info; 12037 12038 MagickBooleanType 12039 status; 12040 12041 assert(wand != (MagickWand *) NULL); 12042 assert(wand->signature == WandSignature); 12043 if (wand->debug != MagickFalse) 12044 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12045 if (wand->images == (Image *) NULL) 12046 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12047 write_info=CloneImageInfo(wand->image_info); 12048 SetImageInfoFile(write_info,file); 12049 write_info->adjoin=MagickTrue; 12050 status=WriteImages(write_info,wand->images,(const char *) NULL, 12051 wand->exception); 12052 write_info=DestroyImageInfo(write_info); 12053 return(status); 12054} 12055