magick-image.c revision b15b06c9f7ba2bf0e0ebcd88d0175536a5392c93
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 1999-2012 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( IfMagickTrue(wand->debug) ) 101 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 102 103 clone_wand=(MagickWand *) AcquireMagickMemory(sizeof(*clone_wand)); 104 if (clone_wand == (MagickWand *) NULL) 105 ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", 106 images->filename); 107 (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand)); 108 clone_wand->id=AcquireWandId(); 109 (void) FormatLocaleString(clone_wand->name,MaxTextExtent,"%s-%.20g", 110 MagickWandId,(double) clone_wand->id); 111 clone_wand->exception=AcquireExceptionInfo(); 112 InheritException(clone_wand->exception,wand->exception); 113 clone_wand->image_info=CloneImageInfo(wand->image_info); 114 clone_wand->images=images; 115 clone_wand->debug=IsEventLogging(); 116 clone_wand->signature=WandSignature; 117 118 if( IfMagickTrue(clone_wand->debug) ) 119 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name); 120 return(clone_wand); 121} 122 123/* 124%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 125% % 126% % 127% % 128% G e t I m a g e F r o m M a g i c k W a n d % 129% % 130% % 131% % 132%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 133% 134% GetImageFromMagickWand() returns the current image from the magick wand. 135% 136% The format of the GetImageFromMagickWand method is: 137% 138% Image *GetImageFromMagickWand(const MagickWand *wand) 139% 140% A description of each parameter follows: 141% 142% o wand: the magick wand. 143% 144*/ 145WandExport Image *GetImageFromMagickWand(const MagickWand *wand) 146{ 147 assert(wand != (MagickWand *) NULL); 148 assert(wand->signature == WandSignature); 149 if( IfMagickTrue(wand->debug) ) 150 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 151 if (wand->images == (Image *) NULL) 152 { 153 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 154 "ContainsNoImages","'%s'",wand->name); 155 return((Image *) NULL); 156 } 157 return(wand->images); 158} 159 160/* 161%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 162% % 163% % 164% % 165% 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 % 166% % 167% % 168% % 169%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 170% 171% MagickAdaptiveBlurImage() adaptively blurs the image by blurring 172% less intensely near image edges and more intensely far from edges. We 173% blur the image with a Gaussian operator of the given radius and standard 174% deviation (sigma). For reasonable results, radius should be larger than 175% sigma. Use a radius of 0 and MagickAdaptiveBlurImage() selects a 176% suitable radius for you. 177% 178% The format of the MagickAdaptiveBlurImage method is: 179% 180% MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, 181% const double radius,const double sigma) 182% 183% A description of each parameter follows: 184% 185% o wand: the magick wand. 186% 187% o radius: the radius of the Gaussian, in pixels, not counting the center 188% pixel. 189% 190% o sigma: the standard deviation of the Gaussian, in pixels. 191% 192*/ 193WandExport MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, 194 const double radius,const double sigma) 195{ 196 Image 197 *sharp_image; 198 199 assert(wand != (MagickWand *) NULL); 200 assert(wand->signature == WandSignature); 201 if( IfMagickTrue(wand->debug) ) 202 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 203 204 if (wand->images == (Image *) NULL) 205 ThrowWandException(WandError,"ContainsNoImages",wand->name); 206 sharp_image=AdaptiveBlurImage(wand->images,radius,sigma,wand->exception); 207 if (sharp_image == (Image *) NULL) 208 return(MagickFalse); 209 ReplaceImageInList(&wand->images,sharp_image); 210 return(MagickTrue); 211} 212 213/* 214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 215% % 216% % 217% % 218% M a g i c k A d a p t i v e R e s i z e I m a g e % 219% % 220% % 221% % 222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 223% 224% MagickAdaptiveResizeImage() adaptively resize image with data dependent 225% triangulation. 226% 227% MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, 228% const size_t columns,const size_t rows) 229% 230% A description of each parameter follows: 231% 232% o wand: the magick wand. 233% 234% o columns: the number of columns in the scaled image. 235% 236% o rows: the number of rows in the scaled image. 237% 238*/ 239WandExport MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, 240 const size_t columns,const size_t rows) 241{ 242 Image 243 *resize_image; 244 245 assert(wand != (MagickWand *) NULL); 246 assert(wand->signature == WandSignature); 247 if( IfMagickTrue(wand->debug) ) 248 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 249 250 if (wand->images == (Image *) NULL) 251 ThrowWandException(WandError,"ContainsNoImages",wand->name); 252 resize_image=AdaptiveResizeImage(wand->images,columns,rows,wand->exception); 253 if (resize_image == (Image *) NULL) 254 return(MagickFalse); 255 ReplaceImageInList(&wand->images,resize_image); 256 return(MagickTrue); 257} 258 259/* 260%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 261% % 262% % 263% % 264% 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 % 265% % 266% % 267% % 268%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 269% 270% MagickAdaptiveSharpenImage() adaptively sharpens the image by sharpening 271% more intensely near image edges and less intensely far from edges. We 272% sharpen the image with a Gaussian operator of the given radius and standard 273% deviation (sigma). For reasonable results, radius should be larger than 274% sigma. Use a radius of 0 and MagickAdaptiveSharpenImage() selects a 275% suitable radius for you. 276% 277% The format of the MagickAdaptiveSharpenImage method is: 278% 279% MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 280% const double radius,const double sigma) 281% 282% A description of each parameter follows: 283% 284% o wand: the magick wand. 285% 286% o radius: the radius of the Gaussian, in pixels, not counting the center 287% pixel. 288% 289% o sigma: the standard deviation of the Gaussian, in pixels. 290% 291*/ 292WandExport MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 293 const double radius,const double sigma) 294{ 295 Image 296 *sharp_image; 297 298 assert(wand != (MagickWand *) NULL); 299 assert(wand->signature == WandSignature); 300 if( IfMagickTrue(wand->debug) ) 301 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 302 303 if (wand->images == (Image *) NULL) 304 ThrowWandException(WandError,"ContainsNoImages",wand->name); 305 sharp_image=AdaptiveSharpenImage(wand->images,radius,sigma,wand->exception); 306 if (sharp_image == (Image *) NULL) 307 return(MagickFalse); 308 ReplaceImageInList(&wand->images,sharp_image); 309 return(MagickTrue); 310} 311 312/* 313%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 314% % 315% % 316% % 317% 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 % 318% % 319% % 320% % 321%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 322% 323% MagickAdaptiveThresholdImage() selects an individual threshold for each pixel 324% based on the range of intensity values in its local neighborhood. This 325% allows for thresholding of an image whose global intensity histogram 326% doesn't contain distinctive peaks. 327% 328% The format of the AdaptiveThresholdImage method is: 329% 330% MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 331% const size_t width,const size_t height,const double bias) 332% 333% A description of each parameter follows: 334% 335% o wand: the magick wand. 336% 337% o width: the width of the local neighborhood. 338% 339% o height: the height of the local neighborhood. 340% 341% o offset: the mean bias. 342% 343*/ 344WandExport MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 345 const size_t width,const size_t height,const double bias) 346{ 347 Image 348 *threshold_image; 349 350 assert(wand != (MagickWand *) NULL); 351 assert(wand->signature == WandSignature); 352 if( IfMagickTrue(wand->debug) ) 353 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 354 355 if (wand->images == (Image *) NULL) 356 ThrowWandException(WandError,"ContainsNoImages",wand->name); 357 threshold_image=AdaptiveThresholdImage(wand->images,width,height,bias, 358 wand->exception); 359 if (threshold_image == (Image *) NULL) 360 return(MagickFalse); 361 ReplaceImageInList(&wand->images,threshold_image); 362 return(MagickTrue); 363} 364 365/* 366%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 367% % 368% % 369% % 370% M a g i c k A d d I m a g e % 371% % 372% % 373% % 374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 375% 376% MagickAddImage() adds a clone of the images from the second wand and 377% inserts them into the first wand. 378% 379% Use MagickSetLastIterator(), to append new images into an existing wand, 380% current image will be set to last image so later adds with also be 381% appened to end of wand. 382% 383% Use MagickSetFirstIterator() to prepend new images into wand, any more 384% images added will also be prepended before other images in the wand. 385% However the order of a list of new images will not change. 386% 387% Otherwise the new images will be inserted just after the current image, 388% and any later image will also be added after this current image but 389% before the previously added images. Caution is advised when multiple 390% image adds are inserted into the middle of the wand image list. 391% 392% The format of the MagickAddImage method is: 393% 394% MagickBooleanType MagickAddImage(MagickWand *wand, 395% const MagickWand *add_wand) 396% 397% A description of each parameter follows: 398% 399% o wand: the magick wand. 400% 401% o add_wand: A wand that contains the image list to be added 402% 403*/ 404static inline MagickBooleanType InsertImageInWand(MagickWand *wand, 405 Image *images) 406{ 407 /* if no images in wand, just add them, set current as appropriate */ 408 if (wand->images == (Image *) NULL) 409 { 410 if( IfMagickTrue(wand->insert_before) ) 411 wand->images=GetFirstImageInList(images); 412 else 413 wand->images=GetLastImageInList(images); 414 return(MagickTrue); 415 } 416 417 /* user jumped to first image, so prepend new images - remain active */ 418 if( IfMagickTrue((wand->insert_before) ) && 419 (wand->images->previous == (Image *) NULL) ) 420 { 421 PrependImageToList(&wand->images,images); 422 wand->images=GetFirstImageInList(images); 423 return(MagickTrue); 424 } 425 /* Note you should never have 'insert_before' true when current image 426 is not the first image in the wand! That is no insert before 427 current image, only after current image */ 428 429 /* if at last image append new images */ 430 if (wand->images->next == (Image *) NULL) 431 { 432 InsertImageInList(&wand->images,images); 433 wand->images=GetLastImageInList(images); 434 return(MagickTrue); 435 } 436 /* otherwise insert new images, just after the current image */ 437 InsertImageInList(&wand->images,images); 438 return(MagickTrue); 439} 440 441WandExport MagickBooleanType MagickAddImage(MagickWand *wand, 442 const MagickWand *add_wand) 443{ 444 Image 445 *images; 446 447 assert(wand != (MagickWand *) NULL); 448 assert(wand->signature == WandSignature); 449 if( IfMagickTrue(wand->debug) ) 450 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 451 452 assert(add_wand != (MagickWand *) NULL); 453 assert(add_wand->signature == WandSignature); 454 if (add_wand->images == (Image *) NULL) 455 ThrowWandException(WandError,"ContainsNoImages",add_wand->name); 456 457 /* clone images in second wand, and insert into first */ 458 images=CloneImageList(add_wand->images,wand->exception); 459 if (images == (Image *) NULL) 460 return(MagickFalse); 461 return(InsertImageInWand(wand,images)); 462} 463 464/* 465%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 466% % 467% % 468% % 469% M a g i c k A d d N o i s e I m a g e % 470% % 471% % 472% % 473%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 474% 475% MagickAddNoiseImage() adds random noise to the image. 476% 477% The format of the MagickAddNoiseImage method is: 478% 479% MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 480% const NoiseType noise_type,const double attenuate) 481% 482% A description of each parameter follows: 483% 484% o wand: the magick wand. 485% 486% o noise_type: The type of noise: Uniform, Gaussian, Multiplicative, 487% Impulse, Laplacian, or Poisson. 488% 489% o attenuate: attenuate the random distribution. 490% 491*/ 492WandExport MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 493 const NoiseType noise_type,const double attenuate) 494{ 495 Image 496 *noise_image; 497 498 assert(wand != (MagickWand *) NULL); 499 assert(wand->signature == WandSignature); 500 if( IfMagickTrue(wand->debug) ) 501 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 502 503 if (wand->images == (Image *) NULL) 504 ThrowWandException(WandError,"ContainsNoImages",wand->name); 505 noise_image=AddNoiseImage(wand->images,noise_type,attenuate,wand->exception); 506 if (noise_image == (Image *) NULL) 507 return(MagickFalse); 508 ReplaceImageInList(&wand->images,noise_image); 509 return(MagickTrue); 510} 511 512/* 513%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 514% % 515% % 516% % 517% 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 % 518% % 519% % 520% % 521%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 522% 523% MagickAffineTransformImage() transforms an image as dictated by the affine 524% matrix of the drawing wand. 525% 526% The format of the MagickAffineTransformImage method is: 527% 528% MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 529% const DrawingWand *drawing_wand) 530% 531% A description of each parameter follows: 532% 533% o wand: the magick wand. 534% 535% o drawing_wand: the draw wand. 536% 537*/ 538WandExport MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 539 const DrawingWand *drawing_wand) 540{ 541 DrawInfo 542 *draw_info; 543 544 Image 545 *affine_image; 546 547 assert(wand != (MagickWand *) NULL); 548 assert(wand->signature == WandSignature); 549 if( IfMagickTrue(wand->debug) ) 550 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 551 552 if (wand->images == (Image *) NULL) 553 ThrowWandException(WandError,"ContainsNoImages",wand->name); 554 draw_info=PeekDrawingWand(drawing_wand); 555 if (draw_info == (DrawInfo *) NULL) 556 return(MagickFalse); 557 affine_image=AffineTransformImage(wand->images,&draw_info->affine, 558 wand->exception); 559 draw_info=DestroyDrawInfo(draw_info); 560 if (affine_image == (Image *) NULL) 561 return(MagickFalse); 562 ReplaceImageInList(&wand->images,affine_image); 563 return(MagickTrue); 564} 565 566/* 567%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 568% % 569% % 570% % 571% M a g i c k A n n o t a t e I m a g e % 572% % 573% % 574% % 575%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 576% 577% MagickAnnotateImage() annotates an image with text. 578% 579% The format of the MagickAnnotateImage method is: 580% 581% MagickBooleanType MagickAnnotateImage(MagickWand *wand, 582% const DrawingWand *drawing_wand,const double x,const double y, 583% const double angle,const char *text) 584% 585% A description of each parameter follows: 586% 587% o wand: the magick wand. 588% 589% o drawing_wand: the draw wand. 590% 591% o x: x ordinate to left of text 592% 593% o y: y ordinate to text baseline 594% 595% o angle: rotate text relative to this angle. 596% 597% o text: text to draw 598% 599*/ 600WandExport MagickBooleanType MagickAnnotateImage(MagickWand *wand, 601 const DrawingWand *drawing_wand,const double x,const double y, 602 const double angle,const char *text) 603{ 604 char 605 geometry[MaxTextExtent]; 606 607 DrawInfo 608 *draw_info; 609 610 MagickBooleanType 611 status; 612 613 assert(wand != (MagickWand *) NULL); 614 assert(wand->signature == WandSignature); 615 if( IfMagickTrue(wand->debug) ) 616 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 617 618 if (wand->images == (Image *) NULL) 619 ThrowWandException(WandError,"ContainsNoImages",wand->name); 620 draw_info=PeekDrawingWand(drawing_wand); 621 if (draw_info == (DrawInfo *) NULL) 622 return(MagickFalse); 623 (void) CloneString(&draw_info->text,text); 624 (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",x,y); 625 draw_info->affine.sx=cos((double) DegreesToRadians(fmod(angle,360.0))); 626 draw_info->affine.rx=sin((double) DegreesToRadians(fmod(angle,360.0))); 627 draw_info->affine.ry=(-sin((double) DegreesToRadians(fmod(angle,360.0)))); 628 draw_info->affine.sy=cos((double) DegreesToRadians(fmod(angle,360.0))); 629 (void) CloneString(&draw_info->geometry,geometry); 630 status=AnnotateImage(wand->images,draw_info,wand->exception); 631 draw_info=DestroyDrawInfo(draw_info); 632 return(status); 633} 634 635/* 636%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 637% % 638% % 639% % 640% M a g i c k A n i m a t e I m a g e s % 641% % 642% % 643% % 644%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 645% 646% MagickAnimateImages() animates an image or image sequence. 647% 648% The format of the MagickAnimateImages method is: 649% 650% MagickBooleanType MagickAnimateImages(MagickWand *wand, 651% const char *server_name) 652% 653% A description of each parameter follows: 654% 655% o wand: the magick wand. 656% 657% o server_name: the X server name. 658% 659*/ 660WandExport MagickBooleanType MagickAnimateImages(MagickWand *wand, 661 const char *server_name) 662{ 663 MagickBooleanType 664 status; 665 666 assert(wand != (MagickWand *) NULL); 667 assert(wand->signature == WandSignature); 668 if( IfMagickTrue(wand->debug) ) 669 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 670 671 (void) CloneString(&wand->image_info->server_name,server_name); 672 status=AnimateImages(wand->image_info,wand->images,wand->exception); 673 return(status); 674} 675 676/* 677%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 678% % 679% % 680% % 681% M a g i c k A p p e n d I m a g e s % 682% % 683% % 684% % 685%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 686% 687% MagickAppendImages() append the images in a wand from the current image 688% onwards, creating a new wand with the single image result. This is 689% affected by the gravity and background settings of the first image. 690% 691% Typically you would call either MagickResetIterator() or 692% MagickSetFirstImage() before calling this function to ensure that all 693% the images in the wand's image list will be appended together. 694% 695% The format of the MagickAppendImages method is: 696% 697% MagickWand *MagickAppendImages(MagickWand *wand, 698% const MagickBooleanType stack) 699% 700% A description of each parameter follows: 701% 702% o wand: the magick wand. 703% 704% o stack: By default, images are stacked left-to-right. Set stack to 705% MagickTrue to stack them top-to-bottom. 706% 707*/ 708WandExport MagickWand *MagickAppendImages(MagickWand *wand, 709 const MagickBooleanType stack) 710{ 711 Image 712 *append_image; 713 714 assert(wand != (MagickWand *) NULL); 715 assert(wand->signature == WandSignature); 716 if( IfMagickTrue(wand->debug) ) 717 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 718 719 if (wand->images == (Image *) NULL) 720 return((MagickWand *) NULL); 721 append_image=AppendImages(wand->images,stack,wand->exception); 722 if (append_image == (Image *) NULL) 723 return((MagickWand *) NULL); 724 return(CloneMagickWandFromImages(wand,append_image)); 725} 726 727/* 728%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 729% % 730% % 731% % 732% M a g i c k A u t o G a m m a I m a g e % 733% % 734% % 735% % 736%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 737% 738% MagickAutoGammaImage() extracts the 'mean' from the image and adjust the 739% image to try make set its gamma appropriatally. 740% 741% The format of the MagickAutoGammaImage method is: 742% 743% MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 744% 745% A description of each parameter follows: 746% 747% o wand: the magick wand. 748% 749*/ 750WandExport MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 751{ 752 MagickBooleanType 753 status; 754 755 assert(wand != (MagickWand *) NULL); 756 assert(wand->signature == WandSignature); 757 if( IfMagickTrue(wand->debug) ) 758 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 759 760 if (wand->images == (Image *) NULL) 761 ThrowWandException(WandError,"ContainsNoImages",wand->name); 762 status=AutoGammaImage(wand->images,wand->exception); 763 return(status); 764} 765 766/* 767%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 768% % 769% % 770% % 771% M a g i c k A u t o L e v e l I m a g e % 772% % 773% % 774% % 775%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 776% 777% MagickAutoLevelImage() adjusts the levels of a particular image channel by 778% scaling the minimum and maximum values to the full quantum range. 779% 780% The format of the MagickAutoLevelImage method is: 781% 782% MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 783% 784% A description of each parameter follows: 785% 786% o wand: the magick wand. 787% 788*/ 789WandExport MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 790{ 791 MagickBooleanType 792 status; 793 794 assert(wand != (MagickWand *) NULL); 795 assert(wand->signature == WandSignature); 796 if( IfMagickTrue(wand->debug) ) 797 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 798 799 if (wand->images == (Image *) NULL) 800 ThrowWandException(WandError,"ContainsNoImages",wand->name); 801 status=AutoLevelImage(wand->images,wand->exception); 802 return(status); 803} 804 805/* 806%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 807% % 808% % 809% % 810% 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 % 811% % 812% % 813% % 814%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 815% 816% MagickBlackThresholdImage() is like MagickThresholdImage() but forces all 817% pixels below the threshold into black while leaving all pixels above the 818% threshold unchanged. 819% 820% The format of the MagickBlackThresholdImage method is: 821% 822% MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 823% const PixelWand *threshold) 824% 825% A description of each parameter follows: 826% 827% o wand: the magick wand. 828% 829% o threshold: the pixel wand. 830% 831*/ 832WandExport MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 833 const PixelWand *threshold) 834{ 835 char 836 thresholds[MaxTextExtent]; 837 838 MagickBooleanType 839 status; 840 841 assert(wand != (MagickWand *) NULL); 842 assert(wand->signature == WandSignature); 843 if( IfMagickTrue(wand->debug) ) 844 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 845 846 if (wand->images == (Image *) NULL) 847 ThrowWandException(WandError,"ContainsNoImages",wand->name); 848 (void) FormatLocaleString(thresholds,MaxTextExtent, 849 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 850 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 851 PixelGetBlueQuantum(threshold),PixelGetAlphaQuantum(threshold)); 852 status=BlackThresholdImage(wand->images,thresholds,wand->exception); 853 return(status); 854} 855 856/* 857%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 858% % 859% % 860% % 861% M a g i c k B l u e S h i f t I m a g e % 862% % 863% % 864% % 865%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 866% 867% MagickBlueShiftImage() mutes the colors of the image to simulate a scene at 868% nighttime in the moonlight. 869% 870% The format of the MagickBlueShiftImage method is: 871% 872% MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 873% const double factor) 874% 875% A description of each parameter follows: 876% 877% o wand: the magick wand. 878% 879% o factor: the blue shift factor (default 1.5) 880% 881*/ 882WandExport MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 883 const double factor) 884{ 885 Image 886 *shift_image; 887 888 assert(wand != (MagickWand *) NULL); 889 assert(wand->signature == WandSignature); 890 if( IfMagickTrue(wand->debug) ) 891 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 892 893 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 sigma) 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*/ 933WandExport MagickBooleanType MagickBlurImage(MagickWand *wand, 934 const double radius,const double sigma) 935{ 936 Image 937 *blur_image; 938 939 assert(wand != (MagickWand *) NULL); 940 assert(wand->signature == WandSignature); 941 if( IfMagickTrue(wand->debug) ) 942 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 943 944 if (wand->images == (Image *) NULL) 945 ThrowWandException(WandError,"ContainsNoImages",wand->name); 946 blur_image=BlurImage(wand->images,radius,sigma,wand->exception); 947 if (blur_image == (Image *) NULL) 948 return(MagickFalse); 949 ReplaceImageInList(&wand->images,blur_image); 950 return(MagickTrue); 951} 952 953/* 954%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 955% % 956% % 957% % 958% M a g i c k B o r d e r I m a g e % 959% % 960% % 961% % 962%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 963% 964% MagickBorderImage() surrounds the image with a border of the color defined 965% by the bordercolor pixel wand. 966% 967% The format of the MagickBorderImage method is: 968% 969% MagickBooleanType MagickBorderImage(MagickWand *wand, 970% const PixelWand *bordercolor,const size_t width, 971% const size_t height,const CompositeOperator compose) 972% 973% A description of each parameter follows: 974% 975% o wand: the magick wand. 976% 977% o bordercolor: the border color pixel wand. 978% 979% o width: the border width. 980% 981% o height: the border height. 982% 983% o compose: the composite operator. 984% 985*/ 986WandExport MagickBooleanType MagickBorderImage(MagickWand *wand, 987 const PixelWand *bordercolor,const size_t width,const size_t height, 988 const CompositeOperator compose) 989{ 990 Image 991 *border_image; 992 993 RectangleInfo 994 border_info; 995 996 assert(wand != (MagickWand *) NULL); 997 assert(wand->signature == WandSignature); 998 if( IfMagickTrue(wand->debug) ) 999 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1000 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( IfMagickTrue(wand->debug) ) 1054 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1055 1056 if (wand->images == (Image *) NULL) 1057 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1058 status=BrightnessContrastImage(wand->images,brightness,contrast, 1059 wand->exception); 1060 return(status); 1061} 1062 1063/* 1064%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1065% % 1066% % 1067% % 1068% M a g i c k C h a n n e l F x I m a g e % 1069% % 1070% % 1071% % 1072%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1073% 1074% MagickChannelFxImage() applies a channel expression to the specified image. 1075% The expression consists of one or more channels, either mnemonic or numeric 1076% (e.g. red, 1), separated by actions as follows: 1077% 1078% <=> exchange two channels (e.g. red<=>blue) 1079% => transfer a channel to another (e.g. red=>green) 1080% , separate channel operations (e.g. red, green) 1081% | read channels from next input image (e.g. red | green) 1082% ; write channels to next output image (e.g. red; green; blue) 1083% 1084% A channel without a operation symbol implies extract. For example, to create 1085% 3 grayscale images from the red, green, and blue channels of an image, use: 1086% 1087% -channel-fx "red; green; blue" 1088% 1089% The format of the MagickChannelFxImage method is: 1090% 1091% MagickWand *MagickChannelFxImage(MagickWand *wand,const char *expression) 1092% 1093% A description of each parameter follows: 1094% 1095% o wand: the magick wand. 1096% 1097% o expression: the expression. 1098% 1099*/ 1100WandExport MagickWand *MagickChannelFxImage(MagickWand *wand, 1101 const char *expression) 1102{ 1103 Image 1104 *fx_image; 1105 1106 assert(wand != (MagickWand *) NULL); 1107 assert(wand->signature == WandSignature); 1108 if( IfMagickTrue(wand->debug) ) 1109 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1110 1111 if (wand->images == (Image *) NULL) 1112 return((MagickWand *) NULL); 1113 fx_image=ChannelFxImage(wand->images,expression,wand->exception); 1114 if (fx_image == (Image *) NULL) 1115 return((MagickWand *) NULL); 1116 return(CloneMagickWandFromImages(wand,fx_image)); 1117} 1118 1119/* 1120%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1121% % 1122% % 1123% % 1124% M a g i c k C h a r c o a l I m a g e % 1125% % 1126% % 1127% % 1128%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1129% 1130% MagickCharcoalImage() simulates a charcoal drawing. 1131% 1132% The format of the MagickCharcoalImage method is: 1133% 1134% MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1135% const double radius,const double sigma) 1136% 1137% A description of each parameter follows: 1138% 1139% o wand: the magick wand. 1140% 1141% o radius: the radius of the Gaussian, in pixels, not counting the center 1142% pixel. 1143% 1144% o sigma: the standard deviation of the Gaussian, in pixels. 1145% 1146*/ 1147WandExport MagickBooleanType MagickCharcoalImage(MagickWand *wand, 1148 const double radius,const double sigma) 1149{ 1150 Image 1151 *charcoal_image; 1152 1153 assert(wand != (MagickWand *) NULL); 1154 assert(wand->signature == WandSignature); 1155 if( IfMagickTrue(wand->debug) ) 1156 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1157 1158 if (wand->images == (Image *) NULL) 1159 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1160 charcoal_image=CharcoalImage(wand->images,radius,sigma,wand->exception); 1161 if (charcoal_image == (Image *) NULL) 1162 return(MagickFalse); 1163 ReplaceImageInList(&wand->images,charcoal_image); 1164 return(MagickTrue); 1165} 1166 1167/* 1168%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1169% % 1170% % 1171% % 1172% M a g i c k C h o p I m a g e % 1173% % 1174% % 1175% % 1176%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1177% 1178% MagickChopImage() removes a region of an image and collapses the image to 1179% occupy the removed portion 1180% 1181% The format of the MagickChopImage method is: 1182% 1183% MagickBooleanType MagickChopImage(MagickWand *wand, 1184% const size_t width,const size_t height,const ssize_t x, 1185% const ssize_t y) 1186% 1187% A description of each parameter follows: 1188% 1189% o wand: the magick wand. 1190% 1191% o width: the region width. 1192% 1193% o height: the region height. 1194% 1195% o x: the region x offset. 1196% 1197% o y: the region y offset. 1198% 1199% 1200*/ 1201WandExport MagickBooleanType MagickChopImage(MagickWand *wand, 1202 const size_t width,const size_t height,const ssize_t x, 1203 const ssize_t y) 1204{ 1205 Image 1206 *chop_image; 1207 1208 RectangleInfo 1209 chop; 1210 1211 assert(wand != (MagickWand *) NULL); 1212 assert(wand->signature == WandSignature); 1213 if( IfMagickTrue(wand->debug) ) 1214 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1215 1216 if (wand->images == (Image *) NULL) 1217 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1218 chop.width=width; 1219 chop.height=height; 1220 chop.x=x; 1221 chop.y=y; 1222 chop_image=ChopImage(wand->images,&chop,wand->exception); 1223 if (chop_image == (Image *) NULL) 1224 return(MagickFalse); 1225 ReplaceImageInList(&wand->images,chop_image); 1226 return(MagickTrue); 1227} 1228 1229/* 1230%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1231% % 1232% % 1233% % 1234% M a g i c k C l a m p I m a g e % 1235% % 1236% % 1237% % 1238%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1239% 1240% MagickClampImage() restricts the color range from 0 to the quantum depth. 1241% 1242% The format of the MagickClampImage method is: 1243% 1244% MagickBooleanType MagickClampImage(MagickWand *wand) 1245% 1246% A description of each parameter follows: 1247% 1248% o wand: the magick wand. 1249% 1250% o channel: the channel. 1251% 1252*/ 1253WandExport MagickBooleanType MagickClampImage(MagickWand *wand) 1254{ 1255 assert(wand != (MagickWand *) NULL); 1256 assert(wand->signature == WandSignature); 1257 if( IfMagickTrue(wand->debug) ) 1258 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1259 1260 if (wand->images == (Image *) NULL) 1261 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1262 return(ClampImage(wand->images,wand->exception)); 1263} 1264 1265/* 1266%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1267% % 1268% % 1269% % 1270% M a g i c k C l i p I m a g e % 1271% % 1272% % 1273% % 1274%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1275% 1276% MagickClipImage() clips along the first path from the 8BIM profile, if 1277% present. 1278% 1279% The format of the MagickClipImage method is: 1280% 1281% MagickBooleanType MagickClipImage(MagickWand *wand) 1282% 1283% A description of each parameter follows: 1284% 1285% o wand: the magick wand. 1286% 1287*/ 1288WandExport MagickBooleanType MagickClipImage(MagickWand *wand) 1289{ 1290 MagickBooleanType 1291 status; 1292 1293 assert(wand != (MagickWand *) NULL); 1294 assert(wand->signature == WandSignature); 1295 if( IfMagickTrue(wand->debug) ) 1296 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1297 1298 if (wand->images == (Image *) NULL) 1299 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1300 status=ClipImage(wand->images,wand->exception); 1301 return(status); 1302} 1303 1304/* 1305%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1306% % 1307% % 1308% % 1309% M a g i c k C l i p I m a g e P a t h % 1310% % 1311% % 1312% % 1313%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1314% 1315% MagickClipImagePath() clips along the named paths from the 8BIM profile, if 1316% present. Later operations take effect inside the path. Id may be a number 1317% if preceded with #, to work on a numbered path, e.g., "#1" to use the first 1318% path. 1319% 1320% The format of the MagickClipImagePath method is: 1321% 1322% MagickBooleanType MagickClipImagePath(MagickWand *wand, 1323% const char *pathname,const MagickBooleanType inside) 1324% 1325% A description of each parameter follows: 1326% 1327% o wand: the magick wand. 1328% 1329% o pathname: name of clipping path resource. If name is preceded by #, use 1330% clipping path numbered by name. 1331% 1332% o inside: if non-zero, later operations take effect inside clipping path. 1333% Otherwise later operations take effect outside clipping path. 1334% 1335*/ 1336WandExport MagickBooleanType MagickClipImagePath(MagickWand *wand, 1337 const char *pathname,const MagickBooleanType inside) 1338{ 1339 MagickBooleanType 1340 status; 1341 1342 assert(wand != (MagickWand *) NULL); 1343 assert(wand->signature == WandSignature); 1344 if( IfMagickTrue(wand->debug) ) 1345 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1346 1347 if (wand->images == (Image *) NULL) 1348 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1349 status=ClipImagePath(wand->images,pathname,inside,wand->exception); 1350 return(status); 1351} 1352 1353/* 1354%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1355% % 1356% % 1357% % 1358% M a g i c k C l u t I m a g e % 1359% % 1360% % 1361% % 1362%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1363% 1364% MagickClutImage() replaces colors in the image from a color lookup table. 1365% 1366% The format of the MagickClutImage method is: 1367% 1368% MagickBooleanType MagickClutImage(MagickWand *wand, 1369% const MagickWand *clut_wand,const PixelInterpolateMethod method) 1370% 1371% A description of each parameter follows: 1372% 1373% o wand: the magick wand. 1374% 1375% o clut_image: the clut image. 1376% 1377% o method: the pixel interpolation method. 1378% 1379*/ 1380WandExport MagickBooleanType MagickClutImage(MagickWand *wand, 1381 const MagickWand *clut_wand,const PixelInterpolateMethod method) 1382{ 1383 MagickBooleanType 1384 status; 1385 1386 assert(wand != (MagickWand *) NULL); 1387 assert(wand->signature == WandSignature); 1388 if( IfMagickTrue(wand->debug) ) 1389 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1390 1391 if ((wand->images == (Image *) NULL) || (clut_wand->images == (Image *) NULL)) 1392 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1393 status=ClutImage(wand->images,clut_wand->images,method,wand->exception); 1394 return(status); 1395} 1396 1397/* 1398%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1399% % 1400% % 1401% % 1402% M a g i c k C o a l e s c e I m a g e s % 1403% % 1404% % 1405% % 1406%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1407% 1408% MagickCoalesceImages() composites a set of images while respecting any page 1409% offsets and disposal methods. GIF, MIFF, and MNG animation sequences 1410% typically start with an image background and each subsequent image 1411% varies in size and offset. MagickCoalesceImages() returns a new sequence 1412% where each image in the sequence is the same size as the first and 1413% composited with the next image in the sequence. 1414% 1415% The format of the MagickCoalesceImages method is: 1416% 1417% MagickWand *MagickCoalesceImages(MagickWand *wand) 1418% 1419% A description of each parameter follows: 1420% 1421% o wand: the magick wand. 1422% 1423*/ 1424WandExport MagickWand *MagickCoalesceImages(MagickWand *wand) 1425{ 1426 Image 1427 *coalesce_image; 1428 1429 assert(wand != (MagickWand *) NULL); 1430 assert(wand->signature == WandSignature); 1431 if( IfMagickTrue(wand->debug) ) 1432 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1433 1434 if (wand->images == (Image *) NULL) 1435 return((MagickWand *) NULL); 1436 coalesce_image=CoalesceImages(wand->images,wand->exception); 1437 if (coalesce_image == (Image *) NULL) 1438 return((MagickWand *) NULL); 1439 return(CloneMagickWandFromImages(wand,coalesce_image)); 1440} 1441 1442/* 1443%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1444% % 1445% % 1446% % 1447% M a g i c k C o l o r D e c i s i o n I m a g e % 1448% % 1449% % 1450% % 1451%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1452% 1453% MagickColorDecisionListImage() accepts a lightweight Color Correction 1454% Collection (CCC) file which solely contains one or more color corrections 1455% and applies the color correction to the image. Here is a sample CCC file: 1456% 1457% <ColorCorrectionCollection xmlns="urn:ASC:CDL:v1.2"> 1458% <ColorCorrection id="cc03345"> 1459% <SOPNode> 1460% <Slope> 0.9 1.2 0.5 </Slope> 1461% <Offset> 0.4 -0.5 0.6 </Offset> 1462% <Power> 1.0 0.8 1.5 </Power> 1463% </SOPNode> 1464% <SATNode> 1465% <Saturation> 0.85 </Saturation> 1466% </SATNode> 1467% </ColorCorrection> 1468% </ColorCorrectionCollection> 1469% 1470% which includes the offset, slope, and power for each of the RGB channels 1471% as well as the saturation. 1472% 1473% The format of the MagickColorDecisionListImage method is: 1474% 1475% MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1476% const char *color_correction_collection) 1477% 1478% A description of each parameter follows: 1479% 1480% o wand: the magick wand. 1481% 1482% o color_correction_collection: the color correction collection in XML. 1483% 1484*/ 1485WandExport MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1486 const char *color_correction_collection) 1487{ 1488 MagickBooleanType 1489 status; 1490 1491 assert(wand != (MagickWand *) NULL); 1492 assert(wand->signature == WandSignature); 1493 if( IfMagickTrue(wand->debug) ) 1494 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1495 1496 if (wand->images == (Image *) NULL) 1497 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1498 status=ColorDecisionListImage(wand->images,color_correction_collection, 1499 wand->exception); 1500 return(status); 1501} 1502 1503/* 1504%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1505% % 1506% % 1507% % 1508% M a g i c k C o l o r i z e I m a g e % 1509% % 1510% % 1511% % 1512%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1513% 1514% MagickColorizeImage() blends the fill color with each pixel in the image. 1515% 1516% The format of the MagickColorizeImage method is: 1517% 1518% MagickBooleanType MagickColorizeImage(MagickWand *wand, 1519% const PixelWand *colorize,const PixelWand *blend) 1520% 1521% A description of each parameter follows: 1522% 1523% o wand: the magick wand. 1524% 1525% o colorize: the colorize pixel wand. 1526% 1527% o alpha: the alpha pixel wand. 1528% 1529*/ 1530WandExport MagickBooleanType MagickColorizeImage(MagickWand *wand, 1531 const PixelWand *colorize,const PixelWand *blend) 1532{ 1533 char 1534 percent_blend[MaxTextExtent]; 1535 1536 Image 1537 *colorize_image; 1538 1539 PixelInfo 1540 target; 1541 1542 assert(wand != (MagickWand *) NULL); 1543 assert(wand->signature == WandSignature); 1544 if( IfMagickTrue(wand->debug) ) 1545 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1546 1547 if (wand->images == (Image *) NULL) 1548 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1549 GetPixelInfo(wand->images,&target); 1550 if (target.colorspace != CMYKColorspace) 1551 (void) FormatLocaleString(percent_blend,MaxTextExtent, 1552 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 1553 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 1554 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 1555 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 1556 PixelGetAlphaQuantum(blend))); 1557 else 1558 (void) FormatLocaleString(percent_blend,MaxTextExtent, 1559 "%g,%g,%g,%g,%g",(double) (100.0*QuantumScale* 1560 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 1561 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 1562 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 1563 PixelGetBlackQuantum(blend)),(double) (100.0*QuantumScale* 1564 PixelGetAlphaQuantum(blend))); 1565 target=PixelGetPixel(colorize); 1566 colorize_image=ColorizeImage(wand->images,percent_blend,&target, 1567 wand->exception); 1568 if (colorize_image == (Image *) NULL) 1569 return(MagickFalse); 1570 ReplaceImageInList(&wand->images,colorize_image); 1571 return(MagickTrue); 1572} 1573 1574/* 1575%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1576% % 1577% % 1578% % 1579% M a g i c k C o l o r M a t r i x I m a g e % 1580% % 1581% % 1582% % 1583%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1584% 1585% MagickColorMatrixImage() apply color transformation to an image. The method 1586% permits saturation changes, hue rotation, luminance to alpha, and various 1587% other effects. Although variable-sized transformation matrices can be used, 1588% typically one uses a 5x5 matrix for an RGBA image and a 6x6 for CMYKA 1589% (or RGBA with offsets). The matrix is similar to those used by Adobe Flash 1590% except offsets are in column 6 rather than 5 (in support of CMYKA images) 1591% and offsets are normalized (divide Flash offset by 255). 1592% 1593% The format of the MagickColorMatrixImage method is: 1594% 1595% MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1596% const KernelInfo *color_matrix) 1597% 1598% A description of each parameter follows: 1599% 1600% o wand: the magick wand. 1601% 1602% o color_matrix: the color matrix. 1603% 1604*/ 1605WandExport MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1606 const KernelInfo *color_matrix) 1607{ 1608 Image 1609 *color_image; 1610 1611 assert(wand != (MagickWand *) NULL); 1612 assert(wand->signature == WandSignature); 1613 if( IfMagickTrue(wand->debug) ) 1614 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1615 1616 if (color_matrix == (const KernelInfo *) NULL) 1617 return(MagickFalse); 1618 if (wand->images == (Image *) NULL) 1619 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1620 color_image=ColorMatrixImage(wand->images,color_matrix,wand->exception); 1621 if (color_image == (Image *) NULL) 1622 return(MagickFalse); 1623 ReplaceImageInList(&wand->images,color_image); 1624 return(MagickTrue); 1625} 1626 1627/* 1628%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1629% % 1630% % 1631% % 1632% M a g i c k C o m b i n e I m a g e s % 1633% % 1634% % 1635% % 1636%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1637% 1638% MagickCombineImages() combines one or more images into a single image. The 1639% grayscale value of the pixels of each image in the sequence is assigned in 1640% order to the specified hannels of the combined image. The typical 1641% ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc. 1642% 1643% The format of the MagickCombineImages method is: 1644% 1645% MagickWand *MagickCombineImages(MagickWand *wand, 1646% const ColorspaceType colorspace) 1647% 1648% A description of each parameter follows: 1649% 1650% o wand: the magick wand. 1651% 1652% o colorspace: the colorspace. 1653% 1654*/ 1655WandExport MagickWand *MagickCombineImages(MagickWand *wand, 1656 const ColorspaceType colorspace) 1657{ 1658 Image 1659 *combine_image; 1660 1661 assert(wand != (MagickWand *) NULL); 1662 assert(wand->signature == WandSignature); 1663 if( IfMagickTrue(wand->debug) ) 1664 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1665 1666 if (wand->images == (Image *) NULL) 1667 return((MagickWand *) NULL); 1668 combine_image=CombineImages(wand->images,colorspace,wand->exception); 1669 if (combine_image == (Image *) NULL) 1670 return((MagickWand *) NULL); 1671 return(CloneMagickWandFromImages(wand,combine_image)); 1672} 1673 1674/* 1675%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1676% % 1677% % 1678% % 1679% M a g i c k C o m m e n t I m a g e % 1680% % 1681% % 1682% % 1683%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1684% 1685% MagickCommentImage() adds a comment to your image. 1686% 1687% The format of the MagickCommentImage method is: 1688% 1689% MagickBooleanType MagickCommentImage(MagickWand *wand, 1690% const char *comment) 1691% 1692% A description of each parameter follows: 1693% 1694% o wand: the magick wand. 1695% 1696% o comment: the image comment. 1697% 1698*/ 1699WandExport MagickBooleanType MagickCommentImage(MagickWand *wand, 1700 const char *comment) 1701{ 1702 MagickBooleanType 1703 status; 1704 1705 assert(wand != (MagickWand *) NULL); 1706 assert(wand->signature == WandSignature); 1707 if( IfMagickTrue(wand->debug) ) 1708 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1709 1710 if (wand->images == (Image *) NULL) 1711 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1712 status=SetImageProperty(wand->images,"comment",comment,wand->exception); 1713 return(status); 1714} 1715 1716/* 1717%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1718% % 1719% % 1720% % 1721% M a g i c k C o m p a r e I m a g e L a y e r s % 1722% % 1723% % 1724% % 1725%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1726% 1727% MagickCompareImagesLayers() compares each image with the next in a sequence 1728% and returns the maximum bounding region of any pixel differences it 1729% discovers. 1730% 1731% The format of the MagickCompareImagesLayers method is: 1732% 1733% MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1734% const ImageLayerMethod method) 1735% 1736% A description of each parameter follows: 1737% 1738% o wand: the magick wand. 1739% 1740% o method: the compare method. 1741% 1742*/ 1743WandExport MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1744 const ImageLayerMethod method) 1745{ 1746 Image 1747 *layers_image; 1748 1749 assert(wand != (MagickWand *) NULL); 1750 assert(wand->signature == WandSignature); 1751 if( IfMagickTrue(wand->debug) ) 1752 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1753 1754 if (wand->images == (Image *) NULL) 1755 return((MagickWand *) NULL); 1756 layers_image=CompareImagesLayers(wand->images,method,wand->exception); 1757 if (layers_image == (Image *) NULL) 1758 return((MagickWand *) NULL); 1759 return(CloneMagickWandFromImages(wand,layers_image)); 1760} 1761 1762/* 1763%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1764% % 1765% % 1766% % 1767% M a g i c k C o m p a r e I m a g e s % 1768% % 1769% % 1770% % 1771%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1772% 1773% MagickCompareImages() compares an image to a reconstructed image and returns 1774% the specified difference image. 1775% 1776% The format of the MagickCompareImages method is: 1777% 1778% MagickWand *MagickCompareImages(MagickWand *wand, 1779% const MagickWand *reference,const MetricType metric, 1780% double *distortion) 1781% 1782% A description of each parameter follows: 1783% 1784% o wand: the magick wand. 1785% 1786% o reference: the reference wand. 1787% 1788% o metric: the metric. 1789% 1790% o distortion: the computed distortion between the images. 1791% 1792*/ 1793WandExport MagickWand *MagickCompareImages(MagickWand *wand, 1794 const MagickWand *reference,const MetricType metric,double *distortion) 1795{ 1796 Image 1797 *compare_image; 1798 1799 1800 assert(wand != (MagickWand *) NULL); 1801 assert(wand->signature == WandSignature); 1802 if( IfMagickTrue(wand->debug) ) 1803 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1804 1805 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 1806 { 1807 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 1808 "ContainsNoImages","'%s'",wand->name); 1809 return((MagickWand *) NULL); 1810 } 1811 compare_image=CompareImages(wand->images,reference->images,metric,distortion, 1812 wand->exception); 1813 if (compare_image == (Image *) NULL) 1814 return((MagickWand *) NULL); 1815 return(CloneMagickWandFromImages(wand,compare_image)); 1816} 1817 1818/* 1819%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1820% % 1821% % 1822% % 1823% M a g i c k C o m p o s i t e I m a g e % 1824% % 1825% % 1826% % 1827%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1828% 1829% MagickCompositeImage() composite one image onto another at the specified 1830% offset. 1831% 1832% The format of the MagickCompositeImage method is: 1833% 1834% MagickBooleanType MagickCompositeImage(MagickWand *wand, 1835% const MagickWand *source_wand,const CompositeOperator compose, 1836% const MagickBooleanType clip_to_self,const ssize_t x,const ssize_t y) 1837% 1838% A description of each parameter follows: 1839% 1840% o wand: the magick wand holding the destination images 1841% 1842% o source_image: the magick wand holding source image. 1843% 1844% o compose: This operator affects how the composite is applied to the 1845% image. The default is Over. These are some of the compose methods 1846% availble. 1847% 1848% OverCompositeOp InCompositeOp OutCompositeOp 1849% AtopCompositeOp XorCompositeOp PlusCompositeOp 1850% MinusCompositeOp AddCompositeOp SubtractCompositeOp 1851% DifferenceCompositeOp BumpmapCompositeOp CopyCompositeOp 1852% DisplaceCompositeOp 1853% 1854% o clip_to_self: set to MagickTrue to limit composition to area composed. 1855% 1856% o x: the column offset of the composited image. 1857% 1858% o y: the row offset of the composited image. 1859% 1860*/ 1861WandExport MagickBooleanType MagickCompositeImage(MagickWand *wand, 1862 const MagickWand *source_wand,const CompositeOperator compose, 1863 const MagickBooleanType clip_to_self,const ssize_t x,const ssize_t y) 1864{ 1865 MagickBooleanType 1866 status; 1867 1868 assert(wand != (MagickWand *) NULL); 1869 assert(wand->signature == WandSignature); 1870 if( IfMagickTrue(wand->debug) ) 1871 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1872 1873 if ((wand->images == (Image *) NULL) || 1874 (source_wand->images == (Image *) NULL)) 1875 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1876 status=CompositeImage(wand->images,source_wand->images,compose,clip_to_self, 1877 x,y,wand->exception); 1878 return(status); 1879} 1880 1881/* 1882%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1883% % 1884% % 1885% % 1886% M a g i c k C o m p o s i t e L a y e r s % 1887% % 1888% % 1889% % 1890%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1891% 1892% MagickCompositeLayers() composite the images in the source wand over the 1893% images in the destination wand in sequence, starting with the current 1894% image in both lists. 1895% 1896% Each layer from the two image lists are composted together until the end of 1897% one of the image lists is reached. The offset of each composition is also 1898% adjusted to match the virtual canvas offsets of each layer. As such the 1899% given offset is relative to the virtual canvas, and not the actual image. 1900% 1901% Composition uses given x and y offsets, as the 'origin' location of the 1902% source images virtual canvas (not the real image) allowing you to compose a 1903% list of 'layer images' into the destiantioni images. This makes it well 1904% sutiable for directly composing 'Clears Frame Animations' or 'Coaleased 1905% Animations' onto a static or other 'Coaleased Animation' destination image 1906% list. GIF disposal handling is not looked at. 1907% 1908% Special case:- If one of the image sequences is the last image (just a 1909% single image remaining), that image is repeatally composed with all the 1910% images in the other image list. Either the source or destination lists may 1911% be the single image, for this situation. 1912% 1913% In the case of a single destination image (or last image given), that image 1914% will ve cloned to match the number of images remaining in the source image 1915% list. 1916% 1917% This is equivelent to the "-layer Composite" Shell API operator. 1918% 1919% The format of the MagickCompositeLayers method is: 1920% 1921% MagickBooleanType MagickCompositeLayers(MagickWand *wand, 1922% const MagickWand *source_wand, const CompositeOperator compose, 1923% const ssize_t x,const ssize_t y) 1924% 1925% A description of each parameter follows: 1926% 1927% o wand: the magick wand holding destaintion images 1928% 1929% o source_wand: the wand holding the source images 1930% 1931% o compose, x, y: composition arguments 1932% 1933*/ 1934WandExport MagickBooleanType MagickCompositeLayers(MagickWand *wand, 1935 const MagickWand *source_wand,const CompositeOperator compose, 1936 const ssize_t x,const ssize_t y) 1937{ 1938 MagickBooleanType 1939 status; 1940 1941 assert(wand != (MagickWand *) NULL); 1942 assert(wand->signature == WandSignature); 1943 if( IfMagickTrue(wand->debug) ) 1944 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1945 1946 if ((wand->images == (Image *) NULL) || 1947 (source_wand->images == (Image *) NULL)) 1948 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1949 CompositeLayers(wand->images,compose,source_wand->images,x,y, 1950 wand->exception); 1951 status=MagickTrue; /* FUTURE: determine status from exceptions */ 1952 return(status); 1953} 1954 1955/* 1956%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1957% % 1958% % 1959% % 1960% M a g i c k C o n t r a s t I m a g e % 1961% % 1962% % 1963% % 1964%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1965% 1966% MagickContrastImage() enhances the intensity differences between the lighter 1967% and darker elements of the image. Set sharpen to a value other than 0 to 1968% increase the image contrast otherwise the contrast is reduced. 1969% 1970% The format of the MagickContrastImage method is: 1971% 1972% MagickBooleanType MagickContrastImage(MagickWand *wand, 1973% const MagickBooleanType sharpen) 1974% 1975% A description of each parameter follows: 1976% 1977% o wand: the magick wand. 1978% 1979% o sharpen: Increase or decrease image contrast. 1980% 1981% 1982*/ 1983WandExport MagickBooleanType MagickContrastImage(MagickWand *wand, 1984 const MagickBooleanType sharpen) 1985{ 1986 MagickBooleanType 1987 status; 1988 1989 assert(wand != (MagickWand *) NULL); 1990 assert(wand->signature == WandSignature); 1991 if( IfMagickTrue(wand->debug) ) 1992 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 1993 1994 if (wand->images == (Image *) NULL) 1995 ThrowWandException(WandError,"ContainsNoImages",wand->name); 1996 status=ContrastImage(wand->images,sharpen,wand->exception); 1997 return(status); 1998} 1999 2000/* 2001%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2002% % 2003% % 2004% % 2005% 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 % 2006% % 2007% % 2008% % 2009%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2010% 2011% MagickContrastStretchImage() enhances the contrast of a color image by 2012% adjusting the pixels color to span the entire range of colors available. 2013% You can also reduce the influence of a particular channel with a gamma 2014% value of 0. 2015% 2016% The format of the MagickContrastStretchImage method is: 2017% 2018% MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 2019% const double black_point,const double white_point) 2020% 2021% A description of each parameter follows: 2022% 2023% o wand: the magick wand. 2024% 2025% o black_point: the black point. 2026% 2027% o white_point: the white point. 2028% 2029*/ 2030WandExport MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 2031 const double black_point,const double white_point) 2032{ 2033 MagickBooleanType 2034 status; 2035 2036 assert(wand != (MagickWand *) NULL); 2037 assert(wand->signature == WandSignature); 2038 if( IfMagickTrue(wand->debug) ) 2039 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2040 2041 if (wand->images == (Image *) NULL) 2042 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2043 status=ContrastStretchImage(wand->images,black_point,white_point, 2044 wand->exception); 2045 return(status); 2046} 2047 2048/* 2049%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2050% % 2051% % 2052% % 2053% M a g i c k C o n v o l v e I m a g e % 2054% % 2055% % 2056% % 2057%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2058% 2059% MagickConvolveImage() applies a custom convolution kernel to the image. 2060% 2061% The format of the MagickConvolveImage method is: 2062% 2063% MagickBooleanType MagickConvolveImage(MagickWand *wand, 2064% const KernelInfo *kernel) 2065% 2066% A description of each parameter follows: 2067% 2068% o wand: the magick wand. 2069% 2070% o kernel: An array of doubles representing the convolution kernel. 2071% 2072*/ 2073WandExport MagickBooleanType MagickConvolveImage(MagickWand *wand, 2074 const KernelInfo *kernel) 2075{ 2076 Image 2077 *filter_image; 2078 2079 assert(wand != (MagickWand *) NULL); 2080 assert(wand->signature == WandSignature); 2081 if( IfMagickTrue(wand->debug) ) 2082 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2083 2084 if (kernel == (const KernelInfo *) NULL) 2085 return(MagickFalse); 2086 if (wand->images == (Image *) NULL) 2087 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2088 filter_image=ConvolveImage(wand->images,kernel,wand->exception); 2089 if (filter_image == (Image *) NULL) 2090 return(MagickFalse); 2091 ReplaceImageInList(&wand->images,filter_image); 2092 return(MagickTrue); 2093} 2094 2095/* 2096%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2097% % 2098% % 2099% % 2100% M a g i c k C r o p I m a g e % 2101% % 2102% % 2103% % 2104%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2105% 2106% MagickCropImage() extracts a region of the image. 2107% 2108% The format of the MagickCropImage method is: 2109% 2110% MagickBooleanType MagickCropImage(MagickWand *wand, 2111% const size_t width,const size_t height,const ssize_t x,const ssize_t y) 2112% 2113% A description of each parameter follows: 2114% 2115% o wand: the magick wand. 2116% 2117% o width: the region width. 2118% 2119% o height: the region height. 2120% 2121% o x: the region x-offset. 2122% 2123% o y: the region y-offset. 2124% 2125*/ 2126WandExport MagickBooleanType MagickCropImage(MagickWand *wand, 2127 const size_t width,const size_t height,const ssize_t x,const ssize_t y) 2128{ 2129 Image 2130 *crop_image; 2131 2132 RectangleInfo 2133 crop; 2134 2135 assert(wand != (MagickWand *) NULL); 2136 assert(wand->signature == WandSignature); 2137 if( IfMagickTrue(wand->debug) ) 2138 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2139 2140 if (wand->images == (Image *) NULL) 2141 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2142 crop.width=width; 2143 crop.height=height; 2144 crop.x=x; 2145 crop.y=y; 2146 crop_image=CropImage(wand->images,&crop,wand->exception); 2147 if (crop_image == (Image *) NULL) 2148 return(MagickFalse); 2149 ReplaceImageInList(&wand->images,crop_image); 2150 return(MagickTrue); 2151} 2152 2153/* 2154%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2155% % 2156% % 2157% % 2158% M a g i c k C y c l e C o l o r m a p I m a g e % 2159% % 2160% % 2161% % 2162%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2163% 2164% MagickCycleColormapImage() displaces an image's colormap by a given number 2165% of positions. If you cycle the colormap a number of times you can produce 2166% a psychodelic effect. 2167% 2168% The format of the MagickCycleColormapImage method is: 2169% 2170% MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 2171% const ssize_t displace) 2172% 2173% A description of each parameter follows: 2174% 2175% o wand: the magick wand. 2176% 2177% o pixel_wand: the pixel wand. 2178% 2179*/ 2180WandExport MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 2181 const ssize_t displace) 2182{ 2183 MagickBooleanType 2184 status; 2185 2186 assert(wand != (MagickWand *) NULL); 2187 assert(wand->signature == WandSignature); 2188 if( IfMagickTrue(wand->debug) ) 2189 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2190 2191 if (wand->images == (Image *) NULL) 2192 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2193 status=CycleColormapImage(wand->images,displace,wand->exception); 2194 return(status); 2195} 2196 2197/* 2198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2199% % 2200% % 2201% % 2202% M a g i c k C o n s t i t u t e I m a g e % 2203% % 2204% % 2205% % 2206%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2207% 2208% MagickConstituteImage() adds an image to the wand comprised of the pixel 2209% data you supply. The pixel data must be in scanline order top-to-bottom. 2210% The data can be char, short int, int, float, or double. Float and double 2211% require the pixels to be normalized [0..1], otherwise [0..Max], where Max 2212% is the maximum value the type can accomodate (e.g. 255 for char). For 2213% example, to create a 640x480 image from unsigned red-green-blue character 2214% data, use 2215% 2216% MagickConstituteImage(wand,640,640,"RGB",CharPixel,pixels); 2217% 2218% The format of the MagickConstituteImage method is: 2219% 2220% MagickBooleanType MagickConstituteImage(MagickWand *wand, 2221% const size_t columns,const size_t rows,const char *map, 2222% const StorageType storage,void *pixels) 2223% 2224% A description of each parameter follows: 2225% 2226% o wand: the magick wand. 2227% 2228% o columns: width in pixels of the image. 2229% 2230% o rows: height in pixels of the image. 2231% 2232% o map: This string reflects the expected ordering of the pixel array. 2233% It can be any combination or order of R = red, G = green, B = blue, 2234% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 2235% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 2236% P = pad. 2237% 2238% o storage: Define the data type of the pixels. Float and double types are 2239% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 2240% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 2241% LongPixel, QuantumPixel, or ShortPixel. 2242% 2243% o pixels: This array of values contain the pixel components as defined by 2244% map and type. You must preallocate this array where the expected 2245% length varies depending on the values of width, height, map, and type. 2246% 2247% 2248*/ 2249WandExport MagickBooleanType MagickConstituteImage(MagickWand *wand, 2250 const size_t columns,const size_t rows,const char *map, 2251 const StorageType storage,const void *pixels) 2252{ 2253 Image 2254 *images; 2255 2256 assert(wand != (MagickWand *) NULL); 2257 assert(wand->signature == WandSignature); 2258 if( IfMagickTrue(wand->debug) ) 2259 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2260 2261 images=ConstituteImage(columns,rows,map,storage,pixels,wand->exception); 2262 if (images == (Image *) NULL) 2263 return(MagickFalse); 2264 return(InsertImageInWand(wand,images)); 2265} 2266 2267/* 2268%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2269% % 2270% % 2271% % 2272% M a g i c k D e c i p h e r I m a g e % 2273% % 2274% % 2275% % 2276%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2277% 2278% MagickDecipherImage() converts cipher pixels to plain pixels. 2279% 2280% The format of the MagickDecipherImage method is: 2281% 2282% MagickBooleanType MagickDecipherImage(MagickWand *wand, 2283% const char *passphrase) 2284% 2285% A description of each parameter follows: 2286% 2287% o wand: the magick wand. 2288% 2289% o passphrase: the passphrase. 2290% 2291*/ 2292WandExport MagickBooleanType MagickDecipherImage(MagickWand *wand, 2293 const char *passphrase) 2294{ 2295 assert(wand != (MagickWand *) NULL); 2296 assert(wand->signature == WandSignature); 2297 if( IfMagickTrue(wand->debug) ) 2298 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2299 2300 if (wand->images == (Image *) NULL) 2301 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2302 return(DecipherImage(wand->images,passphrase,wand->exception)); 2303} 2304 2305/* 2306%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2307% % 2308% % 2309% % 2310% M a g i c k D e c o n s t r u c t I m a g e s % 2311% % 2312% % 2313% % 2314%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2315% 2316% MagickDeconstructImages() compares each image with the next in a sequence 2317% and returns the maximum bounding region of any pixel differences it 2318% discovers. 2319% 2320% The format of the MagickDeconstructImages method is: 2321% 2322% MagickWand *MagickDeconstructImages(MagickWand *wand) 2323% 2324% A description of each parameter follows: 2325% 2326% o wand: the magick wand. 2327% 2328*/ 2329WandExport MagickWand *MagickDeconstructImages(MagickWand *wand) 2330{ 2331 Image 2332 *deconstruct_image; 2333 2334 assert(wand != (MagickWand *) NULL); 2335 assert(wand->signature == WandSignature); 2336 if( IfMagickTrue(wand->debug) ) 2337 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2338 2339 if (wand->images == (Image *) NULL) 2340 return((MagickWand *) NULL); 2341 deconstruct_image=CompareImagesLayers(wand->images,CompareAnyLayer, 2342 wand->exception); 2343 if (deconstruct_image == (Image *) NULL) 2344 return((MagickWand *) NULL); 2345 return(CloneMagickWandFromImages(wand,deconstruct_image)); 2346} 2347 2348/* 2349%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2350% % 2351% % 2352% % 2353% M a g i c k D e s k e w I m a g e % 2354% % 2355% % 2356% % 2357%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2358% 2359% MagickDeskewImage() removes skew from the image. Skew is an artifact that 2360% occurs in scanned images because of the camera being misaligned, 2361% imperfections in the scanning or surface, or simply because the paper was 2362% not placed completely flat when scanned. 2363% 2364% The format of the MagickDeskewImage method is: 2365% 2366% MagickBooleanType MagickDeskewImage(MagickWand *wand, 2367% const double threshold) 2368% 2369% A description of each parameter follows: 2370% 2371% o wand: the magick wand. 2372% 2373% o threshold: separate background from foreground. 2374% 2375*/ 2376WandExport MagickBooleanType MagickDeskewImage(MagickWand *wand, 2377 const double threshold) 2378{ 2379 Image 2380 *sepia_image; 2381 2382 assert(wand != (MagickWand *) NULL); 2383 assert(wand->signature == WandSignature); 2384 if( IfMagickTrue(wand->debug) ) 2385 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2386 2387 if (wand->images == (Image *) NULL) 2388 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2389 sepia_image=DeskewImage(wand->images,threshold,wand->exception); 2390 if (sepia_image == (Image *) NULL) 2391 return(MagickFalse); 2392 ReplaceImageInList(&wand->images,sepia_image); 2393 return(MagickTrue); 2394} 2395 2396/* 2397%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2398% % 2399% % 2400% % 2401% M a g i c k D e s p e c k l e I m a g e % 2402% % 2403% % 2404% % 2405%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2406% 2407% MagickDespeckleImage() reduces the speckle noise in an image while 2408% perserving the edges of the original image. 2409% 2410% The format of the MagickDespeckleImage method is: 2411% 2412% MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2413% 2414% A description of each parameter follows: 2415% 2416% o wand: the magick wand. 2417% 2418*/ 2419WandExport MagickBooleanType MagickDespeckleImage(MagickWand *wand) 2420{ 2421 Image 2422 *despeckle_image; 2423 2424 assert(wand != (MagickWand *) NULL); 2425 assert(wand->signature == WandSignature); 2426 if( IfMagickTrue(wand->debug) ) 2427 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2428 2429 if (wand->images == (Image *) NULL) 2430 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2431 despeckle_image=DespeckleImage(wand->images,wand->exception); 2432 if (despeckle_image == (Image *) NULL) 2433 return(MagickFalse); 2434 ReplaceImageInList(&wand->images,despeckle_image); 2435 return(MagickTrue); 2436} 2437 2438/* 2439%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2440% % 2441% % 2442% % 2443% M a g i c k D e s t r o y I m a g e % 2444% % 2445% % 2446% % 2447%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2448% 2449% MagickDestroyImage() dereferences an image, deallocating memory associated 2450% with the image if the reference count becomes zero. 2451% 2452% The format of the MagickDestroyImage method is: 2453% 2454% Image *MagickDestroyImage(Image *image) 2455% 2456% A description of each parameter follows: 2457% 2458% o image: the image. 2459% 2460*/ 2461WandExport Image *MagickDestroyImage(Image *image) 2462{ 2463 return(DestroyImage(image)); 2464} 2465 2466/* 2467%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2468% % 2469% % 2470% % 2471% M a g i c k D i s p l a y I m a g e % 2472% % 2473% % 2474% % 2475%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2476% 2477% MagickDisplayImage() displays an image. 2478% 2479% The format of the MagickDisplayImage method is: 2480% 2481% MagickBooleanType MagickDisplayImage(MagickWand *wand, 2482% const char *server_name) 2483% 2484% A description of each parameter follows: 2485% 2486% o wand: the magick wand. 2487% 2488% o server_name: the X server name. 2489% 2490*/ 2491WandExport MagickBooleanType MagickDisplayImage(MagickWand *wand, 2492 const char *server_name) 2493{ 2494 Image 2495 *image; 2496 2497 MagickBooleanType 2498 status; 2499 2500 assert(wand != (MagickWand *) NULL); 2501 assert(wand->signature == WandSignature); 2502 if( IfMagickTrue(wand->debug) ) 2503 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2504 2505 if (wand->images == (Image *) NULL) 2506 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2507 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 2508 if (image == (Image *) NULL) 2509 return(MagickFalse); 2510 (void) CloneString(&wand->image_info->server_name,server_name); 2511 status=DisplayImages(wand->image_info,image,wand->exception); 2512 image=DestroyImage(image); 2513 return(status); 2514} 2515 2516/* 2517%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2518% % 2519% % 2520% % 2521% M a g i c k D i s p l a y I m a g e s % 2522% % 2523% % 2524% % 2525%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2526% 2527% MagickDisplayImages() displays an image or image sequence. 2528% 2529% The format of the MagickDisplayImages method is: 2530% 2531% MagickBooleanType MagickDisplayImages(MagickWand *wand, 2532% const char *server_name) 2533% 2534% A description of each parameter follows: 2535% 2536% o wand: the magick wand. 2537% 2538% o server_name: the X server name. 2539% 2540*/ 2541WandExport MagickBooleanType MagickDisplayImages(MagickWand *wand, 2542 const char *server_name) 2543{ 2544 MagickBooleanType 2545 status; 2546 2547 assert(wand != (MagickWand *) NULL); 2548 assert(wand->signature == WandSignature); 2549 if( IfMagickTrue(wand->debug) ) 2550 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2551 2552 (void) CloneString(&wand->image_info->server_name,server_name); 2553 status=DisplayImages(wand->image_info,wand->images,wand->exception); 2554 return(status); 2555} 2556 2557/* 2558%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2559% % 2560% % 2561% % 2562% M a g i c k D i s t o r t I m a g e % 2563% % 2564% % 2565% % 2566%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2567% 2568% MagickDistortImage() distorts an image using various distortion methods, by 2569% mapping color lookups of the source image to a new destination image 2570% usally of the same size as the source image, unless 'bestfit' is set to 2571% true. 2572% 2573% If 'bestfit' is enabled, and distortion allows it, the destination image is 2574% adjusted to ensure the whole source 'image' will just fit within the final 2575% destination image, which will be sized and offset accordingly. Also in 2576% many cases the virtual offset of the source image will be taken into 2577% account in the mapping. 2578% 2579% The format of the MagickDistortImage method is: 2580% 2581% MagickBooleanType MagickDistortImage(MagickWand *wand, 2582% const DistortImageMethod method,const size_t number_arguments, 2583% const double *arguments,const MagickBooleanType bestfit) 2584% 2585% A description of each parameter follows: 2586% 2587% o image: the image to be distorted. 2588% 2589% o method: the method of image distortion. 2590% 2591% ArcDistortion always ignores the source image offset, and always 2592% 'bestfit' the destination image with the top left corner offset 2593% relative to the polar mapping center. 2594% 2595% Bilinear has no simple inverse mapping so it does not allow 'bestfit' 2596% style of image distortion. 2597% 2598% Affine, Perspective, and Bilinear, do least squares fitting of the 2599% distortion when more than the minimum number of control point pairs 2600% are provided. 2601% 2602% Perspective, and Bilinear, falls back to a Affine distortion when less 2603% that 4 control point pairs are provided. While Affine distortions let 2604% you use any number of control point pairs, that is Zero pairs is a 2605% no-Op (viewport only) distrotion, one pair is a translation and two 2606% pairs of control points do a scale-rotate-translate, without any 2607% shearing. 2608% 2609% o number_arguments: the number of arguments given for this distortion 2610% method. 2611% 2612% o arguments: the arguments for this distortion method. 2613% 2614% o bestfit: Attempt to resize destination to fit distorted source. 2615% 2616*/ 2617WandExport MagickBooleanType MagickDistortImage(MagickWand *wand, 2618 const DistortImageMethod method,const size_t number_arguments, 2619 const double *arguments,const MagickBooleanType bestfit) 2620{ 2621 Image 2622 *distort_image; 2623 2624 assert(wand != (MagickWand *) NULL); 2625 assert(wand->signature == WandSignature); 2626 if( IfMagickTrue(wand->debug) ) 2627 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2628 2629 if (wand->images == (Image *) NULL) 2630 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2631 distort_image=DistortImage(wand->images,method,number_arguments,arguments, 2632 bestfit,wand->exception); 2633 if (distort_image == (Image *) NULL) 2634 return(MagickFalse); 2635 ReplaceImageInList(&wand->images,distort_image); 2636 return(MagickTrue); 2637} 2638 2639/* 2640%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2641% % 2642% % 2643% % 2644% M a g i c k D r a w I m a g e % 2645% % 2646% % 2647% % 2648%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2649% 2650% MagickDrawImage() renders the drawing wand on the current image. 2651% 2652% The format of the MagickDrawImage method is: 2653% 2654% MagickBooleanType MagickDrawImage(MagickWand *wand, 2655% const DrawingWand *drawing_wand) 2656% 2657% A description of each parameter follows: 2658% 2659% o wand: the magick wand. 2660% 2661% o drawing_wand: the draw wand. 2662% 2663*/ 2664WandExport MagickBooleanType MagickDrawImage(MagickWand *wand, 2665 const DrawingWand *drawing_wand) 2666{ 2667 char 2668 *primitive; 2669 2670 DrawInfo 2671 *draw_info; 2672 2673 MagickBooleanType 2674 status; 2675 2676 assert(wand != (MagickWand *) NULL); 2677 assert(wand->signature == WandSignature); 2678 if( IfMagickTrue(wand->debug) ) 2679 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2680 2681 if (wand->images == (Image *) NULL) 2682 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2683 draw_info=PeekDrawingWand(drawing_wand); 2684 if ((draw_info == (DrawInfo *) NULL) || 2685 (draw_info->primitive == (char *) NULL)) 2686 return(MagickFalse); 2687 primitive=AcquireString(draw_info->primitive); 2688 draw_info=DestroyDrawInfo(draw_info); 2689 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 2690 draw_info->primitive=primitive; 2691 status=DrawImage(wand->images,draw_info,wand->exception); 2692 draw_info=DestroyDrawInfo(draw_info); 2693 return(status); 2694} 2695 2696/* 2697%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2698% % 2699% % 2700% % 2701% M a g i c k E d g e I m a g e % 2702% % 2703% % 2704% % 2705%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2706% 2707% MagickEdgeImage() enhance edges within the image with a convolution filter 2708% of the given radius. Use a radius of 0 and Edge() selects a suitable 2709% radius for you. 2710% 2711% The format of the MagickEdgeImage method is: 2712% 2713% MagickBooleanType MagickEdgeImage(MagickWand *wand,const double radius, 2714% const double sigma) 2715% 2716% A description of each parameter follows: 2717% 2718% o wand: the magick wand. 2719% 2720% o radius: the radius of the pixel neighborhood. 2721% 2722% o sigma: the standard deviation of the Gaussian, in pixels. 2723% 2724*/ 2725WandExport MagickBooleanType MagickEdgeImage(MagickWand *wand, 2726 const double radius,const double sigma) 2727{ 2728 Image 2729 *edge_image; 2730 2731 assert(wand != (MagickWand *) NULL); 2732 assert(wand->signature == WandSignature); 2733 if( IfMagickTrue(wand->debug) ) 2734 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2735 2736 if (wand->images == (Image *) NULL) 2737 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2738 edge_image=EdgeImage(wand->images,radius,sigma,wand->exception); 2739 if (edge_image == (Image *) NULL) 2740 return(MagickFalse); 2741 ReplaceImageInList(&wand->images,edge_image); 2742 return(MagickTrue); 2743} 2744 2745/* 2746%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2747% % 2748% % 2749% % 2750% M a g i c k E m b o s s I m a g e % 2751% % 2752% % 2753% % 2754%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2755% 2756% MagickEmbossImage() returns a grayscale image with a three-dimensional 2757% effect. We convolve the image with a Gaussian operator of the given radius 2758% and standard deviation (sigma). For reasonable results, radius should be 2759% larger than sigma. Use a radius of 0 and Emboss() selects a suitable 2760% radius for you. 2761% 2762% The format of the MagickEmbossImage method is: 2763% 2764% MagickBooleanType MagickEmbossImage(MagickWand *wand,const double radius, 2765% const double sigma) 2766% 2767% A description of each parameter follows: 2768% 2769% o wand: the magick wand. 2770% 2771% o radius: the radius of the Gaussian, in pixels, not counting the center 2772% pixel. 2773% 2774% o sigma: the standard deviation of the Gaussian, in pixels. 2775% 2776*/ 2777WandExport MagickBooleanType MagickEmbossImage(MagickWand *wand, 2778 const double radius,const double sigma) 2779{ 2780 Image 2781 *emboss_image; 2782 2783 assert(wand != (MagickWand *) NULL); 2784 assert(wand->signature == WandSignature); 2785 if( IfMagickTrue(wand->debug) ) 2786 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2787 2788 if (wand->images == (Image *) NULL) 2789 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2790 emboss_image=EmbossImage(wand->images,radius,sigma,wand->exception); 2791 if (emboss_image == (Image *) NULL) 2792 return(MagickFalse); 2793 ReplaceImageInList(&wand->images,emboss_image); 2794 return(MagickTrue); 2795} 2796 2797/* 2798%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2799% % 2800% % 2801% % 2802% M a g i c k E n c i p h e r I m a g e % 2803% % 2804% % 2805% % 2806%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2807% 2808% MagickEncipherImage() converts plaint pixels to cipher pixels. 2809% 2810% The format of the MagickEncipherImage method is: 2811% 2812% MagickBooleanType MagickEncipherImage(MagickWand *wand, 2813% const char *passphrase) 2814% 2815% A description of each parameter follows: 2816% 2817% o wand: the magick wand. 2818% 2819% o passphrase: the passphrase. 2820% 2821*/ 2822WandExport MagickBooleanType MagickEncipherImage(MagickWand *wand, 2823 const char *passphrase) 2824{ 2825 assert(wand != (MagickWand *) NULL); 2826 assert(wand->signature == WandSignature); 2827 if( IfMagickTrue(wand->debug) ) 2828 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2829 2830 if (wand->images == (Image *) NULL) 2831 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2832 return(EncipherImage(wand->images,passphrase,wand->exception)); 2833} 2834 2835/* 2836%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2837% % 2838% % 2839% % 2840% M a g i c k E n h a n c e I m a g e % 2841% % 2842% % 2843% % 2844%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2845% 2846% MagickEnhanceImage() applies a digital filter that improves the quality of a 2847% noisy image. 2848% 2849% The format of the MagickEnhanceImage method is: 2850% 2851% MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2852% 2853% A description of each parameter follows: 2854% 2855% o wand: the magick wand. 2856% 2857*/ 2858WandExport MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2859{ 2860 Image 2861 *enhance_image; 2862 2863 assert(wand != (MagickWand *) NULL); 2864 assert(wand->signature == WandSignature); 2865 if( IfMagickTrue(wand->debug) ) 2866 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2867 2868 if (wand->images == (Image *) NULL) 2869 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2870 enhance_image=EnhanceImage(wand->images,wand->exception); 2871 if (enhance_image == (Image *) NULL) 2872 return(MagickFalse); 2873 ReplaceImageInList(&wand->images,enhance_image); 2874 return(MagickTrue); 2875} 2876 2877/* 2878%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2879% % 2880% % 2881% % 2882% M a g i c k E q u a l i z e I m a g e % 2883% % 2884% % 2885% % 2886%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2887% 2888% MagickEqualizeImage() equalizes the image histogram. 2889% 2890% The format of the MagickEqualizeImage method is: 2891% 2892% MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2893% 2894% A description of each parameter follows: 2895% 2896% o wand: the magick wand. 2897% 2898% o channel: the image channel(s). 2899% 2900*/ 2901WandExport MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2902{ 2903 MagickBooleanType 2904 status; 2905 2906 assert(wand != (MagickWand *) NULL); 2907 assert(wand->signature == WandSignature); 2908 if( IfMagickTrue(wand->debug) ) 2909 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2910 2911 if (wand->images == (Image *) NULL) 2912 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2913 status=EqualizeImage(wand->images,wand->exception); 2914 return(status); 2915} 2916 2917/* 2918%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2919% % 2920% % 2921% % 2922% M a g i c k E v a l u a t e I m a g e % 2923% % 2924% % 2925% % 2926%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2927% 2928% MagickEvaluateImage() applys an arithmetic, relational, or logical 2929% expression to an image. Use these operators to lighten or darken an image, 2930% to increase or decrease contrast in an image, or to produce the "negative" 2931% of an image. 2932% 2933% The format of the MagickEvaluateImage method is: 2934% 2935% MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2936% const MagickEvaluateOperator operator,const double value) 2937% MagickBooleanType MagickEvaluateImages(MagickWand *wand, 2938% const MagickEvaluateOperator operator) 2939% 2940% A description of each parameter follows: 2941% 2942% o wand: the magick wand. 2943% 2944% o op: A channel operator. 2945% 2946% o value: A value value. 2947% 2948*/ 2949 2950WandExport MagickWand *MagickEvaluateImages(MagickWand *wand, 2951 const MagickEvaluateOperator op) 2952{ 2953 Image 2954 *evaluate_image; 2955 2956 assert(wand != (MagickWand *) NULL); 2957 assert(wand->signature == WandSignature); 2958 if( IfMagickTrue(wand->debug) ) 2959 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2960 2961 if (wand->images == (Image *) NULL) 2962 return((MagickWand *) NULL); 2963 evaluate_image=EvaluateImages(wand->images,op,wand->exception); 2964 if (evaluate_image == (Image *) NULL) 2965 return((MagickWand *) NULL); 2966 return(CloneMagickWandFromImages(wand,evaluate_image)); 2967} 2968 2969WandExport MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2970 const MagickEvaluateOperator op,const double value) 2971{ 2972 MagickBooleanType 2973 status; 2974 2975 assert(wand != (MagickWand *) NULL); 2976 assert(wand->signature == WandSignature); 2977 if( IfMagickTrue(wand->debug) ) 2978 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 2979 2980 if (wand->images == (Image *) NULL) 2981 ThrowWandException(WandError,"ContainsNoImages",wand->name); 2982 status=EvaluateImage(wand->images,op,value,wand->exception); 2983 return(status); 2984} 2985 2986/* 2987%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2988% % 2989% % 2990% % 2991% M a g i c k E x p o r t I m a g e P i x e l s % 2992% % 2993% % 2994% % 2995%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2996% 2997% MagickExportImagePixels() extracts pixel data from an image and returns it 2998% to you. The method returns MagickTrue on success otherwise MagickFalse if 2999% an error is encountered. The data is returned as char, short int, int, 3000% ssize_t, float, or double in the order specified by map. 3001% 3002% Suppose you want to extract the first scanline of a 640x480 image as 3003% character data in red-green-blue order: 3004% 3005% MagickExportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 3006% 3007% The format of the MagickExportImagePixels method is: 3008% 3009% MagickBooleanType MagickExportImagePixels(MagickWand *wand, 3010% const ssize_t x,const ssize_t y,const size_t columns, 3011% const size_t rows,const char *map,const StorageType storage, 3012% void *pixels) 3013% 3014% A description of each parameter follows: 3015% 3016% o wand: the magick wand. 3017% 3018% o x, y, columns, rows: These values define the perimeter 3019% of a region of pixels you want to extract. 3020% 3021% o map: This string reflects the expected ordering of the pixel array. 3022% It can be any combination or order of R = red, G = green, B = blue, 3023% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 3024% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 3025% P = pad. 3026% 3027% o storage: Define the data type of the pixels. Float and double types are 3028% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 3029% these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, 3030% LongPixel, QuantumPixel, or ShortPixel. 3031% 3032% o pixels: This array of values contain the pixel components as defined by 3033% map and type. You must preallocate this array where the expected 3034% length varies depending on the values of width, height, map, and type. 3035% 3036*/ 3037WandExport MagickBooleanType MagickExportImagePixels(MagickWand *wand, 3038 const ssize_t x,const ssize_t y,const size_t columns, 3039 const size_t rows,const char *map,const StorageType storage, 3040 void *pixels) 3041{ 3042 MagickBooleanType 3043 status; 3044 3045 assert(wand != (MagickWand *) NULL); 3046 assert(wand->signature == WandSignature); 3047 if( IfMagickTrue(wand->debug) ) 3048 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3049 3050 if (wand->images == (Image *) NULL) 3051 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3052 status=ExportImagePixels(wand->images,x,y,columns,rows,map, 3053 storage,pixels,wand->exception); 3054 return(status); 3055} 3056 3057/* 3058%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3059% % 3060% % 3061% % 3062% M a g i c k E x t e n t I m a g e % 3063% % 3064% % 3065% % 3066%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3067% 3068% MagickExtentImage() extends the image as defined by the geometry, gravity, 3069% and wand background color. Set the (x,y) offset of the geometry to move 3070% the original wand relative to the extended wand. 3071% 3072% The format of the MagickExtentImage method is: 3073% 3074% MagickBooleanType MagickExtentImage(MagickWand *wand,const size_t width, 3075% const size_t height,const ssize_t x,const ssize_t y) 3076% 3077% A description of each parameter follows: 3078% 3079% o wand: the magick wand. 3080% 3081% o width: the region width. 3082% 3083% o height: the region height. 3084% 3085% o x: the region x offset. 3086% 3087% o y: the region y offset. 3088% 3089*/ 3090WandExport MagickBooleanType MagickExtentImage(MagickWand *wand, 3091 const size_t width,const size_t height,const ssize_t x,const ssize_t y) 3092{ 3093 Image 3094 *extent_image; 3095 3096 RectangleInfo 3097 extent; 3098 3099 assert(wand != (MagickWand *) NULL); 3100 assert(wand->signature == WandSignature); 3101 if( IfMagickTrue(wand->debug) ) 3102 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3103 3104 if (wand->images == (Image *) NULL) 3105 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3106 extent.width=width; 3107 extent.height=height; 3108 extent.x=x; 3109 extent.y=y; 3110 extent_image=ExtentImage(wand->images,&extent,wand->exception); 3111 if (extent_image == (Image *) NULL) 3112 return(MagickFalse); 3113 ReplaceImageInList(&wand->images,extent_image); 3114 return(MagickTrue); 3115} 3116 3117/* 3118%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3119% % 3120% % 3121% % 3122% M a g i c k F l i p I m a g e % 3123% % 3124% % 3125% % 3126%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3127% 3128% MagickFlipImage() creates a vertical mirror image by reflecting the pixels 3129% around the central x-axis. 3130% 3131% The format of the MagickFlipImage method is: 3132% 3133% MagickBooleanType MagickFlipImage(MagickWand *wand) 3134% 3135% A description of each parameter follows: 3136% 3137% o wand: the magick wand. 3138% 3139*/ 3140WandExport MagickBooleanType MagickFlipImage(MagickWand *wand) 3141{ 3142 Image 3143 *flip_image; 3144 3145 assert(wand != (MagickWand *) NULL); 3146 assert(wand->signature == WandSignature); 3147 if( IfMagickTrue(wand->debug) ) 3148 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3149 3150 if (wand->images == (Image *) NULL) 3151 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3152 flip_image=FlipImage(wand->images,wand->exception); 3153 if (flip_image == (Image *) NULL) 3154 return(MagickFalse); 3155 ReplaceImageInList(&wand->images,flip_image); 3156 return(MagickTrue); 3157} 3158 3159/* 3160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3161% % 3162% % 3163% % 3164% 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 % 3165% % 3166% % 3167% % 3168%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3169% 3170% MagickFloodfillPaintImage() changes the color value of any pixel that matches 3171% target and is an immediate neighbor. If the method FillToBorderMethod is 3172% specified, the color value is changed for any neighbor pixel that does not 3173% match the bordercolor member of image. 3174% 3175% The format of the MagickFloodfillPaintImage method is: 3176% 3177% MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 3178% const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 3179% const ssize_t x,const ssize_t y,const MagickBooleanType invert) 3180% 3181% A description of each parameter follows: 3182% 3183% o wand: the magick wand. 3184% 3185% o fill: the floodfill color pixel wand. 3186% 3187% o fuzz: By default target must match a particular pixel color 3188% exactly. However, in many cases two colors may differ by a small amount. 3189% The fuzz member of image defines how much tolerance is acceptable to 3190% consider two colors as the same. For example, set fuzz to 10 and the 3191% color red at intensities of 100 and 102 respectively are now interpreted 3192% as the same color for the purposes of the floodfill. 3193% 3194% o bordercolor: the border color pixel wand. 3195% 3196% o x,y: the starting location of the operation. 3197% 3198% o invert: paint any pixel that does not match the target color. 3199% 3200*/ 3201WandExport MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 3202 const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 3203 const ssize_t x,const ssize_t y,const MagickBooleanType invert) 3204{ 3205 DrawInfo 3206 *draw_info; 3207 3208 MagickBooleanType 3209 status; 3210 3211 PixelInfo 3212 target; 3213 3214 assert(wand != (MagickWand *) NULL); 3215 assert(wand->signature == WandSignature); 3216 if( IfMagickTrue(wand->debug) ) 3217 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3218 3219 if (wand->images == (Image *) NULL) 3220 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3221 draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); 3222 PixelGetQuantumPacket(fill,&draw_info->fill); 3223 (void) GetOneVirtualPixelInfo(wand->images,TileVirtualPixelMethod,x % 3224 wand->images->columns,y % wand->images->rows,&target,wand->exception); 3225 if (bordercolor != (PixelWand *) NULL) 3226 PixelGetMagickColor(bordercolor,&target); 3227 wand->images->fuzz=fuzz; 3228 status=FloodfillPaintImage(wand->images,draw_info,&target,x,y,invert, 3229 wand->exception); 3230 draw_info=DestroyDrawInfo(draw_info); 3231 return(status); 3232} 3233 3234/* 3235%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3236% % 3237% % 3238% % 3239% M a g i c k F l o p I m a g e % 3240% % 3241% % 3242% % 3243%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3244% 3245% MagickFlopImage() creates a horizontal mirror image by reflecting the pixels 3246% around the central y-axis. 3247% 3248% The format of the MagickFlopImage method is: 3249% 3250% MagickBooleanType MagickFlopImage(MagickWand *wand) 3251% 3252% A description of each parameter follows: 3253% 3254% o wand: the magick wand. 3255% 3256*/ 3257WandExport MagickBooleanType MagickFlopImage(MagickWand *wand) 3258{ 3259 Image 3260 *flop_image; 3261 3262 assert(wand != (MagickWand *) NULL); 3263 assert(wand->signature == WandSignature); 3264 if( IfMagickTrue(wand->debug) ) 3265 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3266 3267 if (wand->images == (Image *) NULL) 3268 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3269 flop_image=FlopImage(wand->images,wand->exception); 3270 if (flop_image == (Image *) NULL) 3271 return(MagickFalse); 3272 ReplaceImageInList(&wand->images,flop_image); 3273 return(MagickTrue); 3274} 3275 3276/* 3277%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3278% % 3279% % 3280% % 3281% 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 % 3282% % 3283% % 3284% % 3285%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3286% 3287% MagickForwardFourierTransformImage() implements the discrete Fourier 3288% transform (DFT) of the image either as a magnitude / phase or real / 3289% imaginary image pair. 3290% 3291% The format of the MagickForwardFourierTransformImage method is: 3292% 3293% MagickBooleanType MagickForwardFourierTransformImage(MagickWand *wand, 3294% const MagickBooleanType magnitude) 3295% 3296% A description of each parameter follows: 3297% 3298% o wand: the magick wand. 3299% 3300% o magnitude: if true, return as magnitude / phase pair otherwise a real / 3301% imaginary image pair. 3302% 3303*/ 3304WandExport MagickBooleanType MagickForwardFourierTransformImage( 3305 MagickWand *wand,const MagickBooleanType magnitude) 3306{ 3307 Image 3308 *forward_image; 3309 3310 assert(wand != (MagickWand *) NULL); 3311 assert(wand->signature == WandSignature); 3312 if( IfMagickTrue(wand->debug) ) 3313 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3314 3315 if (wand->images == (Image *) NULL) 3316 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3317 forward_image=ForwardFourierTransformImage(wand->images,magnitude, 3318 wand->exception); 3319 if (forward_image == (Image *) NULL) 3320 return(MagickFalse); 3321 ReplaceImageInList(&wand->images,forward_image); 3322 return(MagickTrue); 3323} 3324 3325/* 3326%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3327% % 3328% % 3329% % 3330% M a g i c k F r a m e I m a g e % 3331% % 3332% % 3333% % 3334%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3335% 3336% MagickFrameImage() adds a simulated three-dimensional border around the 3337% image. The width and height specify the border width of the vertical and 3338% horizontal sides of the frame. The inner and outer bevels indicate the 3339% width of the inner and outer shadows of the frame. 3340% 3341% The format of the MagickFrameImage method is: 3342% 3343% MagickBooleanType MagickFrameImage(MagickWand *wand, 3344% const PixelWand *matte_color,const size_t width, 3345% const size_t height,const ssize_t inner_bevel, 3346% const ssize_t outer_bevel,const CompositeOperator compose) 3347% 3348% A description of each parameter follows: 3349% 3350% o wand: the magick wand. 3351% 3352% o matte_color: the frame color pixel wand. 3353% 3354% o width: the border width. 3355% 3356% o height: the border height. 3357% 3358% o inner_bevel: the inner bevel width. 3359% 3360% o outer_bevel: the outer bevel width. 3361% 3362% o compose: the composite operator. 3363% 3364*/ 3365WandExport MagickBooleanType MagickFrameImage(MagickWand *wand, 3366 const PixelWand *matte_color,const size_t width,const size_t height, 3367 const ssize_t inner_bevel,const ssize_t outer_bevel, 3368 const CompositeOperator compose) 3369{ 3370 Image 3371 *frame_image; 3372 3373 FrameInfo 3374 frame_info; 3375 3376 assert(wand != (MagickWand *) NULL); 3377 assert(wand->signature == WandSignature); 3378 if( IfMagickTrue(wand->debug) ) 3379 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3380 3381 if (wand->images == (Image *) NULL) 3382 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3383 (void) ResetMagickMemory(&frame_info,0,sizeof(frame_info)); 3384 frame_info.width=wand->images->columns+2*width; 3385 frame_info.height=wand->images->rows+2*height; 3386 frame_info.x=(ssize_t) width; 3387 frame_info.y=(ssize_t) height; 3388 frame_info.inner_bevel=inner_bevel; 3389 frame_info.outer_bevel=outer_bevel; 3390 PixelGetQuantumPacket(matte_color,&wand->images->matte_color); 3391 frame_image=FrameImage(wand->images,&frame_info,compose,wand->exception); 3392 if (frame_image == (Image *) NULL) 3393 return(MagickFalse); 3394 ReplaceImageInList(&wand->images,frame_image); 3395 return(MagickTrue); 3396} 3397 3398/* 3399%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3400% % 3401% % 3402% % 3403% M a g i c k F u n c t i o n I m a g e % 3404% % 3405% % 3406% % 3407%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3408% 3409% MagickFunctionImage() applys an arithmetic, relational, or logical 3410% expression to an image. Use these operators to lighten or darken an image, 3411% to increase or decrease contrast in an image, or to produce the "negative" 3412% of an image. 3413% 3414% The format of the MagickFunctionImage method is: 3415% 3416% MagickBooleanType MagickFunctionImage(MagickWand *wand, 3417% const MagickFunction function,const size_t number_arguments, 3418% const double *arguments) 3419% 3420% A description of each parameter follows: 3421% 3422% o wand: the magick wand. 3423% 3424% o function: the image function. 3425% 3426% o number_arguments: the number of function arguments. 3427% 3428% o arguments: the function arguments. 3429% 3430*/ 3431WandExport MagickBooleanType MagickFunctionImage(MagickWand *wand, 3432 const MagickFunction function,const size_t number_arguments, 3433 const double *arguments) 3434{ 3435 MagickBooleanType 3436 status; 3437 3438 assert(wand != (MagickWand *) NULL); 3439 assert(wand->signature == WandSignature); 3440 if( IfMagickTrue(wand->debug) ) 3441 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3442 3443 if (wand->images == (Image *) NULL) 3444 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3445 status=FunctionImage(wand->images,function,number_arguments,arguments, 3446 wand->exception); 3447 return(status); 3448} 3449 3450/* 3451%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3452% % 3453% % 3454% % 3455% M a g i c k F x I m a g e % 3456% % 3457% % 3458% % 3459%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3460% 3461% MagickFxImage() evaluate expression for each pixel in the image. 3462% 3463% The format of the MagickFxImage method is: 3464% 3465% MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3466% 3467% A description of each parameter follows: 3468% 3469% o wand: the magick wand. 3470% 3471% o expression: the expression. 3472% 3473*/ 3474WandExport MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 3475{ 3476 Image 3477 *fx_image; 3478 3479 assert(wand != (MagickWand *) NULL); 3480 assert(wand->signature == WandSignature); 3481 if( IfMagickTrue(wand->debug) ) 3482 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3483 3484 if (wand->images == (Image *) NULL) 3485 return((MagickWand *) NULL); 3486 fx_image=FxImage(wand->images,expression,wand->exception); 3487 if (fx_image == (Image *) NULL) 3488 return((MagickWand *) NULL); 3489 return(CloneMagickWandFromImages(wand,fx_image)); 3490} 3491 3492/* 3493%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3494% % 3495% % 3496% % 3497% M a g i c k G a m m a I m a g e % 3498% % 3499% % 3500% % 3501%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3502% 3503% MagickGammaImage() gamma-corrects an image. The same image viewed on 3504% different devices will have perceptual differences in the way the image's 3505% intensities are represented on the screen. Specify individual gamma levels 3506% for the red, green, and blue channels, or adjust all three with the gamma 3507% parameter. Values typically range from 0.8 to 2.3. 3508% 3509% You can also reduce the influence of a particular channel with a gamma 3510% value of 0. 3511% 3512% The format of the MagickGammaImage method is: 3513% 3514% MagickBooleanType MagickGammaImage(MagickWand *wand,const double gamma) 3515% 3516% A description of each parameter follows: 3517% 3518% o wand: the magick wand. 3519% 3520% o level: Define the level of gamma correction. 3521% 3522*/ 3523WandExport MagickBooleanType MagickGammaImage(MagickWand *wand, 3524 const double gamma) 3525{ 3526 MagickBooleanType 3527 status; 3528 3529 assert(wand != (MagickWand *) NULL); 3530 assert(wand->signature == WandSignature); 3531 if( IfMagickTrue(wand->debug) ) 3532 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3533 3534 if (wand->images == (Image *) NULL) 3535 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3536 status=GammaImage(wand->images,gamma,wand->exception); 3537 return(status); 3538} 3539 3540/* 3541%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3542% % 3543% % 3544% % 3545% M a g i c k G a u s s i a n B l u r I m a g e % 3546% % 3547% % 3548% % 3549%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3550% 3551% MagickGaussianBlurImage() blurs an image. We convolve the image with a 3552% Gaussian operator of the given radius and standard deviation (sigma). 3553% For reasonable results, the radius should be larger than sigma. Use a 3554% radius of 0 and MagickGaussianBlurImage() selects a suitable radius for you. 3555% 3556% The format of the MagickGaussianBlurImage method is: 3557% 3558% MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3559% const double radius,const double sigma) 3560% 3561% A description of each parameter follows: 3562% 3563% o wand: the magick wand. 3564% 3565% o radius: the radius of the Gaussian, in pixels, not counting the center 3566% pixel. 3567% 3568% o sigma: the standard deviation of the Gaussian, in pixels. 3569% 3570*/ 3571WandExport MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 3572 const double radius,const double sigma) 3573{ 3574 Image 3575 *blur_image; 3576 3577 assert(wand != (MagickWand *) NULL); 3578 assert(wand->signature == WandSignature); 3579 if( IfMagickTrue(wand->debug) ) 3580 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3581 3582 if (wand->images == (Image *) NULL) 3583 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3584 blur_image=GaussianBlurImage(wand->images,radius,sigma,wand->exception); 3585 if (blur_image == (Image *) NULL) 3586 return(MagickFalse); 3587 ReplaceImageInList(&wand->images,blur_image); 3588 return(MagickTrue); 3589} 3590 3591/* 3592%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3593% % 3594% % 3595% % 3596% M a g i c k G e t I m a g e % 3597% % 3598% % 3599% % 3600%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3601% 3602% MagickGetImage() gets the image at the current image index. 3603% 3604% The format of the MagickGetImage method is: 3605% 3606% MagickWand *MagickGetImage(MagickWand *wand) 3607% 3608% A description of each parameter follows: 3609% 3610% o wand: the magick wand. 3611% 3612*/ 3613WandExport MagickWand *MagickGetImage(MagickWand *wand) 3614{ 3615 Image 3616 *image; 3617 3618 assert(wand != (MagickWand *) NULL); 3619 assert(wand->signature == WandSignature); 3620 if( IfMagickTrue(wand->debug) ) 3621 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3622 3623 if (wand->images == (Image *) NULL) 3624 { 3625 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3626 "ContainsNoImages","'%s'",wand->name); 3627 return((MagickWand *) NULL); 3628 } 3629 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 3630 if (image == (Image *) NULL) 3631 return((MagickWand *) NULL); 3632 return(CloneMagickWandFromImages(wand,image)); 3633} 3634 3635/* 3636%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3637% % 3638% % 3639% % 3640% 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 % 3641% % 3642% % 3643% % 3644%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3645% 3646% MagickGetImageAlphaChannel() returns MagickFalse if the image alpha channel 3647% is not activated. That is, the image is RGB rather than RGBA or CMYK rather 3648% than CMYKA. 3649% 3650% The format of the MagickGetImageAlphaChannel method is: 3651% 3652% size_t MagickGetImageAlphaChannel(MagickWand *wand) 3653% 3654% A description of each parameter follows: 3655% 3656% o wand: the magick wand. 3657% 3658*/ 3659WandExport MagickBooleanType MagickGetImageAlphaChannel(MagickWand *wand) 3660{ 3661 assert(wand != (MagickWand *) NULL); 3662 assert(wand->signature == WandSignature); 3663 if( IfMagickTrue(wand->debug) ) 3664 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3665 3666 if (wand->images == (Image *) NULL) 3667 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3668 return(GetImageAlphaChannel(wand->images)); 3669} 3670 3671/* 3672%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3673% % 3674% % 3675% % 3676% M a g i c k G e t I m a g e C l i p M a s k % 3677% % 3678% % 3679% % 3680%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3681% 3682% MagickGetImageMask() gets the image clip mask at the current image index. 3683% 3684% The format of the MagickGetImageMask method is: 3685% 3686% MagickWand *MagickGetImageMask(MagickWand *wand) 3687% 3688% A description of each parameter follows: 3689% 3690% o wand: the magick wand. 3691% 3692*/ 3693WandExport MagickWand *MagickGetImageMask(MagickWand *wand) 3694{ 3695 Image 3696 *image; 3697 3698 assert(wand != (MagickWand *) NULL); 3699 assert(wand->signature == WandSignature); 3700 if( IfMagickTrue(wand->debug) ) 3701 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3702 3703 if (wand->images == (Image *) NULL) 3704 { 3705 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3706 "ContainsNoImages","'%s'",wand->name); 3707 return((MagickWand *) NULL); 3708 } 3709 image=GetImageMask(wand->images,wand->exception); 3710 if (image == (Image *) NULL) 3711 return((MagickWand *) NULL); 3712 return(CloneMagickWandFromImages(wand,image)); 3713} 3714 3715/* 3716%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3717% % 3718% % 3719% % 3720% 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 % 3721% % 3722% % 3723% % 3724%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3725% 3726% MagickGetImageBackgroundColor() returns the image background color. 3727% 3728% The format of the MagickGetImageBackgroundColor method is: 3729% 3730% MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3731% PixelWand *background_color) 3732% 3733% A description of each parameter follows: 3734% 3735% o wand: the magick wand. 3736% 3737% o background_color: Return the background color. 3738% 3739*/ 3740WandExport MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 3741 PixelWand *background_color) 3742{ 3743 assert(wand != (MagickWand *) NULL); 3744 assert(wand->signature == WandSignature); 3745 if( IfMagickTrue(wand->debug) ) 3746 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3747 3748 if (wand->images == (Image *) NULL) 3749 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3750 PixelSetPixelColor(background_color,&wand->images->background_color); 3751 return(MagickTrue); 3752} 3753 3754/* 3755%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3756% % 3757% % 3758% % 3759% M a g i c k G e t I m a g e B l o b % 3760% % 3761% % 3762% % 3763%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3764% 3765% MagickGetImageBlob() implements direct to memory image formats. It returns 3766% the image as a blob (a formatted "file" in memory) and its length, starting 3767% from the current position in the image sequence. Use MagickSetImageFormat() 3768% to set the format to write to the blob (GIF, JPEG, PNG, etc.). 3769% 3770% Utilize MagickResetIterator() to ensure the write is from the beginning of 3771% the image sequence. 3772% 3773% Use MagickRelinquishMemory() to free the blob when you are done with it. 3774% 3775% The format of the MagickGetImageBlob method is: 3776% 3777% unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3778% 3779% A description of each parameter follows: 3780% 3781% o wand: the magick wand. 3782% 3783% o length: the length of the blob. 3784% 3785*/ 3786WandExport unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 3787{ 3788 assert(wand != (MagickWand *) NULL); 3789 assert(wand->signature == WandSignature); 3790 if( IfMagickTrue(wand->debug) ) 3791 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3792 3793 if (wand->images == (Image *) NULL) 3794 { 3795 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3796 "ContainsNoImages","'%s'",wand->name); 3797 return((unsigned char *) NULL); 3798 } 3799 return(ImageToBlob(wand->image_info,wand->images,length,wand->exception)); 3800} 3801 3802/* 3803%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3804% % 3805% % 3806% % 3807% M a g i c k G e t I m a g e s B l o b % 3808% % 3809% % 3810% % 3811%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3812% 3813% MagickGetImageBlob() implements direct to memory image formats. It 3814% returns the image sequence as a blob and its length. The format of the image 3815% determines the format of the returned blob (GIF, JPEG, PNG, etc.). To 3816% return a different image format, use MagickSetImageFormat(). 3817% 3818% Note, some image formats do not permit multiple images to the same image 3819% stream (e.g. JPEG). in this instance, just the first image of the 3820% sequence is returned as a blob. 3821% 3822% The format of the MagickGetImagesBlob method is: 3823% 3824% unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3825% 3826% A description of each parameter follows: 3827% 3828% o wand: the magick wand. 3829% 3830% o length: the length of the blob. 3831% 3832*/ 3833WandExport unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 3834{ 3835 unsigned char 3836 *blob; 3837 3838 assert(wand != (MagickWand *) NULL); 3839 assert(wand->signature == WandSignature); 3840 if( IfMagickTrue(wand->debug) ) 3841 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3842 3843 if (wand->images == (Image *) NULL) 3844 { 3845 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3846 "ContainsNoImages","'%s'",wand->name); 3847 return((unsigned char *) NULL); 3848 } 3849 blob=ImagesToBlob(wand->image_info,GetFirstImageInList(wand->images),length, 3850 wand->exception); 3851 return(blob); 3852} 3853 3854/* 3855%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3856% % 3857% % 3858% % 3859% 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 % 3860% % 3861% % 3862% % 3863%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3864% 3865% MagickGetImageBluePrimary() returns the chromaticy blue primary point for the 3866% image. 3867% 3868% The format of the MagickGetImageBluePrimary method is: 3869% 3870% MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand,double *x, 3871% double *y) 3872% 3873% A description of each parameter follows: 3874% 3875% o wand: the magick wand. 3876% 3877% o x: the chromaticity blue primary x-point. 3878% 3879% o y: the chromaticity blue primary y-point. 3880% 3881*/ 3882WandExport MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand, 3883 double *x,double *y) 3884{ 3885 assert(wand != (MagickWand *) NULL); 3886 assert(wand->signature == WandSignature); 3887 if( IfMagickTrue(wand->debug) ) 3888 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3889 3890 if (wand->images == (Image *) NULL) 3891 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3892 *x=wand->images->chromaticity.blue_primary.x; 3893 *y=wand->images->chromaticity.blue_primary.y; 3894 return(MagickTrue); 3895} 3896 3897/* 3898%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3899% % 3900% % 3901% % 3902% 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 % 3903% % 3904% % 3905% % 3906%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3907% 3908% MagickGetImageBorderColor() returns the image border color. 3909% 3910% The format of the MagickGetImageBorderColor method is: 3911% 3912% MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3913% PixelWand *border_color) 3914% 3915% A description of each parameter follows: 3916% 3917% o wand: the magick wand. 3918% 3919% o border_color: Return the border color. 3920% 3921*/ 3922WandExport MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 3923 PixelWand *border_color) 3924{ 3925 assert(wand != (MagickWand *) NULL); 3926 assert(wand->signature == WandSignature); 3927 if( IfMagickTrue(wand->debug) ) 3928 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3929 3930 if (wand->images == (Image *) NULL) 3931 ThrowWandException(WandError,"ContainsNoImages",wand->name); 3932 PixelSetPixelColor(border_color,&wand->images->border_color); 3933 return(MagickTrue); 3934} 3935 3936/* 3937%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3938% % 3939% % 3940% % 3941% M a g i c k G e t I m a g e F e a t u r e s % 3942% % 3943% % 3944% % 3945%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3946% 3947% MagickGetImageFeatures() returns features for each channel in the 3948% image in each of four directions (horizontal, vertical, left and right 3949% diagonals) for the specified distance. The features include the angular 3950% second moment, contrast, correlation, sum of squares: variance, inverse 3951% difference moment, sum average, sum varience, sum entropy, entropy, 3952% difference variance, difference entropy, information measures of 3953% correlation 1, information measures of correlation 2, and maximum 3954% correlation coefficient. You can access the red channel contrast, for 3955% example, like this: 3956% 3957% channel_features=MagickGetImageFeatures(wand,1); 3958% contrast=channel_features[RedPixelChannel].contrast[0]; 3959% 3960% Use MagickRelinquishMemory() to free the statistics buffer. 3961% 3962% The format of the MagickGetImageFeatures method is: 3963% 3964% ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 3965% const size_t distance) 3966% 3967% A description of each parameter follows: 3968% 3969% o wand: the magick wand. 3970% 3971% o distance: the distance. 3972% 3973*/ 3974WandExport ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 3975 const size_t distance) 3976{ 3977 assert(wand != (MagickWand *) NULL); 3978 assert(wand->signature == WandSignature); 3979 if( IfMagickTrue(wand->debug) ) 3980 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 3981 3982 if (wand->images == (Image *) NULL) 3983 { 3984 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 3985 "ContainsNoImages","'%s'",wand->name); 3986 return((ChannelFeatures *) NULL); 3987 } 3988 return(GetImageFeatures(wand->images,distance,wand->exception)); 3989} 3990 3991/* 3992%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3993% % 3994% % 3995% % 3996% M a g i c k G e t I m a g e K u r t o s i s % 3997% % 3998% % 3999% % 4000%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4001% 4002% MagickGetImageKurtosis() gets the kurtosis and skewness of one or 4003% more image channels. 4004% 4005% The format of the MagickGetImageKurtosis method is: 4006% 4007% MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 4008% double *kurtosis,double *skewness) 4009% 4010% A description of each parameter follows: 4011% 4012% o wand: the magick wand. 4013% 4014% o kurtosis: The kurtosis for the specified channel(s). 4015% 4016% o skewness: The skewness for the specified channel(s). 4017% 4018*/ 4019WandExport MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 4020 double *kurtosis,double *skewness) 4021{ 4022 MagickBooleanType 4023 status; 4024 4025 assert(wand != (MagickWand *) NULL); 4026 assert(wand->signature == WandSignature); 4027 if( IfMagickTrue(wand->debug) ) 4028 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4029 4030 if (wand->images == (Image *) NULL) 4031 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4032 status=GetImageKurtosis(wand->images,kurtosis,skewness,wand->exception); 4033 return(status); 4034} 4035 4036/* 4037%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4038% % 4039% % 4040% % 4041% M a g i c k G e t I m a g e M e a n % 4042% % 4043% % 4044% % 4045%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4046% 4047% MagickGetImageMean() gets the mean and standard deviation of one or more 4048% image channels. 4049% 4050% The format of the MagickGetImageMean method is: 4051% 4052% MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 4053% double *standard_deviation) 4054% 4055% A description of each parameter follows: 4056% 4057% o wand: the magick wand. 4058% 4059% o channel: the image channel(s). 4060% 4061% o mean: The mean pixel value for the specified channel(s). 4062% 4063% o standard_deviation: The standard deviation for the specified channel(s). 4064% 4065*/ 4066WandExport MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 4067 double *standard_deviation) 4068{ 4069 MagickBooleanType 4070 status; 4071 4072 assert(wand != (MagickWand *) NULL); 4073 assert(wand->signature == WandSignature); 4074 if( IfMagickTrue(wand->debug) ) 4075 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4076 4077 if (wand->images == (Image *) NULL) 4078 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4079 status=GetImageMean(wand->images,mean,standard_deviation,wand->exception); 4080 return(status); 4081} 4082 4083/* 4084%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4085% % 4086% % 4087% % 4088% M a g i c k G e t I m a g e R a n g e % 4089% % 4090% % 4091% % 4092%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4093% 4094% MagickGetImageRange() gets the range for one or more image channels. 4095% 4096% The format of the MagickGetImageRange method is: 4097% 4098% MagickBooleanType MagickGetImageRange(MagickWand *wand,double *minima, 4099% double *maxima) 4100% 4101% A description of each parameter follows: 4102% 4103% o wand: the magick wand. 4104% 4105% o minima: The minimum pixel value for the specified channel(s). 4106% 4107% o maxima: The maximum pixel value for the specified channel(s). 4108% 4109*/ 4110WandExport MagickBooleanType MagickGetImageRange(MagickWand *wand, 4111 double *minima,double *maxima) 4112{ 4113 MagickBooleanType 4114 status; 4115 4116 assert(wand != (MagickWand *) NULL); 4117 assert(wand->signature == WandSignature); 4118 if( IfMagickTrue(wand->debug) ) 4119 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4120 4121 if (wand->images == (Image *) NULL) 4122 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4123 status=GetImageRange(wand->images,minima,maxima,wand->exception); 4124 return(status); 4125} 4126 4127/* 4128%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4129% % 4130% % 4131% % 4132% M a g i c k G e t I m a g e S t a t i s t i c s % 4133% % 4134% % 4135% % 4136%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4137% 4138% MagickGetImageStatistics() returns statistics for each channel in the 4139% image. The statistics include the channel depth, its minima and 4140% maxima, the mean, the standard deviation, the kurtosis and the skewness. 4141% You can access the red channel mean, for example, like this: 4142% 4143% channel_statistics=MagickGetImageStatistics(wand); 4144% red_mean=channel_statistics[RedPixelChannel].mean; 4145% 4146% Use MagickRelinquishMemory() to free the statistics buffer. 4147% 4148% The format of the MagickGetImageStatistics method is: 4149% 4150% ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 4151% 4152% A description of each parameter follows: 4153% 4154% o wand: the magick wand. 4155% 4156*/ 4157WandExport ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 4158{ 4159 assert(wand != (MagickWand *) NULL); 4160 assert(wand->signature == WandSignature); 4161 if( IfMagickTrue(wand->debug) ) 4162 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4163 4164 if (wand->images == (Image *) NULL) 4165 { 4166 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4167 "ContainsNoImages","'%s'",wand->name); 4168 return((ChannelStatistics *) NULL); 4169 } 4170 return(GetImageStatistics(wand->images,wand->exception)); 4171} 4172 4173/* 4174%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4175% % 4176% % 4177% % 4178% 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 % 4179% % 4180% % 4181% % 4182%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4183% 4184% MagickGetImageColormapColor() returns the color of the specified colormap 4185% index. 4186% 4187% The format of the MagickGetImageColormapColor method is: 4188% 4189% MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 4190% const size_t index,PixelWand *color) 4191% 4192% A description of each parameter follows: 4193% 4194% o wand: the magick wand. 4195% 4196% o index: the offset into the image colormap. 4197% 4198% o color: Return the colormap color in this wand. 4199% 4200*/ 4201WandExport MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 4202 const size_t index,PixelWand *color) 4203{ 4204 assert(wand != (MagickWand *) NULL); 4205 assert(wand->signature == WandSignature); 4206 if( IfMagickTrue(wand->debug) ) 4207 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4208 4209 if (wand->images == (Image *) NULL) 4210 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4211 if ((wand->images->colormap == (PixelInfo *) NULL) || 4212 (index >= wand->images->colors)) 4213 { 4214 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4215 "InvalidColormapIndex","'%s'",wand->name); 4216 return(MagickFalse); 4217 } 4218 PixelSetPixelColor(color,wand->images->colormap+index); 4219 return(MagickTrue); 4220} 4221 4222/* 4223%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4224% % 4225% % 4226% % 4227% M a g i c k G e t I m a g e C o l o r s % 4228% % 4229% % 4230% % 4231%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4232% 4233% MagickGetImageColors() gets the number of unique colors in the image. 4234% 4235% The format of the MagickGetImageColors method is: 4236% 4237% size_t MagickGetImageColors(MagickWand *wand) 4238% 4239% A description of each parameter follows: 4240% 4241% o wand: the magick wand. 4242% 4243*/ 4244WandExport size_t MagickGetImageColors(MagickWand *wand) 4245{ 4246 assert(wand != (MagickWand *) NULL); 4247 assert(wand->signature == WandSignature); 4248 if( IfMagickTrue(wand->debug) ) 4249 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4250 4251 if (wand->images == (Image *) NULL) 4252 { 4253 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4254 "ContainsNoImages","'%s'",wand->name); 4255 return(0); 4256 } 4257 return(GetNumberColors(wand->images,(FILE *) NULL,wand->exception)); 4258} 4259 4260/* 4261%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4262% % 4263% % 4264% % 4265% M a g i c k G e t I m a g e C o l o r s p a c e % 4266% % 4267% % 4268% % 4269%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4270% 4271% MagickGetImageColorspace() gets the image colorspace. 4272% 4273% The format of the MagickGetImageColorspace method is: 4274% 4275% ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4276% 4277% A description of each parameter follows: 4278% 4279% o wand: the magick wand. 4280% 4281*/ 4282WandExport ColorspaceType MagickGetImageColorspace(MagickWand *wand) 4283{ 4284 assert(wand != (MagickWand *) NULL); 4285 assert(wand->signature == WandSignature); 4286 if( IfMagickTrue(wand->debug) ) 4287 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4288 4289 if (wand->images == (Image *) NULL) 4290 { 4291 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4292 "ContainsNoImages","'%s'",wand->name); 4293 return(UndefinedColorspace); 4294 } 4295 return(wand->images->colorspace); 4296} 4297 4298/* 4299%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4300% % 4301% % 4302% % 4303% M a g i c k G e t I m a g e C o m p o s e % 4304% % 4305% % 4306% % 4307%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4308% 4309% MagickGetImageCompose() returns the composite operator associated with the 4310% image. 4311% 4312% The format of the MagickGetImageCompose method is: 4313% 4314% CompositeOperator MagickGetImageCompose(MagickWand *wand) 4315% 4316% A description of each parameter follows: 4317% 4318% o wand: the magick wand. 4319% 4320*/ 4321WandExport CompositeOperator MagickGetImageCompose(MagickWand *wand) 4322{ 4323 assert(wand != (MagickWand *) NULL); 4324 assert(wand->signature == WandSignature); 4325 if( IfMagickTrue(wand->debug) ) 4326 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4327 4328 if (wand->images == (Image *) NULL) 4329 { 4330 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4331 "ContainsNoImages","'%s'",wand->name); 4332 return(UndefinedCompositeOp); 4333 } 4334 return(wand->images->compose); 4335} 4336 4337/* 4338%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4339% % 4340% % 4341% % 4342% 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 % 4343% % 4344% % 4345% % 4346%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4347% 4348% MagickGetImageCompression() gets the image compression. 4349% 4350% The format of the MagickGetImageCompression method is: 4351% 4352% CompressionType MagickGetImageCompression(MagickWand *wand) 4353% 4354% A description of each parameter follows: 4355% 4356% o wand: the magick wand. 4357% 4358*/ 4359WandExport CompressionType MagickGetImageCompression(MagickWand *wand) 4360{ 4361 assert(wand != (MagickWand *) NULL); 4362 assert(wand->signature == WandSignature); 4363 if( IfMagickTrue(wand->debug) ) 4364 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4365 4366 if (wand->images == (Image *) NULL) 4367 { 4368 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4369 "ContainsNoImages","'%s'",wand->name); 4370 return(UndefinedCompression); 4371 } 4372 return(wand->images->compression); 4373} 4374 4375/* 4376%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4377% % 4378% % 4379% % 4380% 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 % 4381% % 4382% % 4383% % 4384%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4385% 4386% MagickGetImageCompressionQuality() gets the image compression quality. 4387% 4388% The format of the MagickGetImageCompressionQuality method is: 4389% 4390% size_t MagickGetImageCompressionQuality(MagickWand *wand) 4391% 4392% A description of each parameter follows: 4393% 4394% o wand: the magick wand. 4395% 4396*/ 4397WandExport size_t MagickGetImageCompressionQuality(MagickWand *wand) 4398{ 4399 assert(wand != (MagickWand *) NULL); 4400 assert(wand->signature == WandSignature); 4401 if( IfMagickTrue(wand->debug) ) 4402 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4403 4404 if (wand->images == (Image *) NULL) 4405 { 4406 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4407 "ContainsNoImages","'%s'",wand->name); 4408 return(0UL); 4409 } 4410 return(wand->images->quality); 4411} 4412 4413/* 4414%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4415% % 4416% % 4417% % 4418% M a g i c k G e t I m a g e D e l a y % 4419% % 4420% % 4421% % 4422%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4423% 4424% MagickGetImageDelay() gets the image delay. 4425% 4426% The format of the MagickGetImageDelay method is: 4427% 4428% size_t MagickGetImageDelay(MagickWand *wand) 4429% 4430% A description of each parameter follows: 4431% 4432% o wand: the magick wand. 4433% 4434*/ 4435WandExport size_t MagickGetImageDelay(MagickWand *wand) 4436{ 4437 assert(wand != (MagickWand *) NULL); 4438 assert(wand->signature == WandSignature); 4439 if( IfMagickTrue(wand->debug) ) 4440 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4441 4442 if (wand->images == (Image *) NULL) 4443 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4444 return(wand->images->delay); 4445} 4446 4447/* 4448%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4449% % 4450% % 4451% % 4452% M a g i c k G e t I m a g e D e p t h % 4453% % 4454% % 4455% % 4456%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4457% 4458% MagickGetImageDepth() gets the image depth. 4459% 4460% The format of the MagickGetImageDepth method is: 4461% 4462% size_t MagickGetImageDepth(MagickWand *wand) 4463% 4464% A description of each parameter follows: 4465% 4466% o wand: the magick wand. 4467% 4468*/ 4469WandExport size_t MagickGetImageDepth(MagickWand *wand) 4470{ 4471 assert(wand != (MagickWand *) NULL); 4472 assert(wand->signature == WandSignature); 4473 if( IfMagickTrue(wand->debug) ) 4474 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4475 4476 if (wand->images == (Image *) NULL) 4477 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4478 return(wand->images->depth); 4479} 4480 4481/* 4482%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4483% % 4484% % 4485% % 4486% M a g i c k G e t I m a g e D i s p o s e % 4487% % 4488% % 4489% % 4490%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4491% 4492% MagickGetImageDispose() gets the image disposal method. 4493% 4494% The format of the MagickGetImageDispose method is: 4495% 4496% DisposeType MagickGetImageDispose(MagickWand *wand) 4497% 4498% A description of each parameter follows: 4499% 4500% o wand: the magick wand. 4501% 4502*/ 4503WandExport DisposeType MagickGetImageDispose(MagickWand *wand) 4504{ 4505 assert(wand != (MagickWand *) NULL); 4506 assert(wand->signature == WandSignature); 4507 if( IfMagickTrue(wand->debug) ) 4508 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4509 4510 if (wand->images == (Image *) NULL) 4511 { 4512 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4513 "ContainsNoImages","'%s'",wand->name); 4514 return(UndefinedDispose); 4515 } 4516 return((DisposeType) wand->images->dispose); 4517} 4518 4519/* 4520%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4521% % 4522% % 4523% % 4524% M a g i c k G e t I m a g e D i s t o r t i o n % 4525% % 4526% % 4527% % 4528%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4529% 4530% MagickGetImageDistortion() compares an image to a reconstructed image and 4531% returns the specified distortion metric. 4532% 4533% The format of the MagickGetImageDistortion method is: 4534% 4535% MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4536% const MagickWand *reference,const MetricType metric, 4537% double *distortion) 4538% 4539% A description of each parameter follows: 4540% 4541% o wand: the magick wand. 4542% 4543% o reference: the reference wand. 4544% 4545% o metric: the metric. 4546% 4547% o distortion: the computed distortion between the images. 4548% 4549*/ 4550WandExport MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 4551 const MagickWand *reference,const MetricType metric,double *distortion) 4552{ 4553 MagickBooleanType 4554 status; 4555 4556 assert(wand != (MagickWand *) NULL); 4557 assert(wand->signature == WandSignature); 4558 if( IfMagickTrue(wand->debug) ) 4559 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4560 4561 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4562 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4563 status=GetImageDistortion(wand->images,reference->images,metric,distortion, 4564 wand->exception); 4565 return(status); 4566} 4567 4568/* 4569%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4570% % 4571% % 4572% % 4573% 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 % 4574% % 4575% % 4576% % 4577%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4578% 4579% MagickGetImageDistortions() compares one or more pixel channels of an 4580% image to a reconstructed image and returns the specified distortion metrics. 4581% 4582% Use MagickRelinquishMemory() to free the metrics when you are done with them. 4583% 4584% The format of the MagickGetImageDistortion method is: 4585% 4586% double *MagickGetImageDistortion(MagickWand *wand, 4587% const MagickWand *reference,const MetricType metric) 4588% 4589% A description of each parameter follows: 4590% 4591% o wand: the magick wand. 4592% 4593% o reference: the reference wand. 4594% 4595% o metric: the metric. 4596% 4597*/ 4598WandExport double *MagickGetImageDistortions(MagickWand *wand, 4599 const MagickWand *reference,const MetricType metric) 4600{ 4601 double 4602 *channel_distortion; 4603 4604 assert(wand != (MagickWand *) NULL); 4605 assert(wand->signature == WandSignature); 4606 if( IfMagickTrue(wand->debug) ) 4607 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4608 4609 assert(reference != (MagickWand *) NULL); 4610 assert(reference->signature == WandSignature); 4611 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 4612 { 4613 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4614 "ContainsNoImages","'%s'",wand->name); 4615 return((double *) NULL); 4616 } 4617 channel_distortion=GetImageDistortions(wand->images,reference->images, 4618 metric,wand->exception); 4619 return(channel_distortion); 4620} 4621 4622/* 4623%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4624% % 4625% % 4626% % 4627% M a g i c k G e t I m a g e E n d i a n % 4628% % 4629% % 4630% % 4631%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4632% 4633% MagickGetImageEndian() gets the image endian. 4634% 4635% The format of the MagickGetImageEndian method is: 4636% 4637% EndianType MagickGetImageEndian(MagickWand *wand) 4638% 4639% A description of each parameter follows: 4640% 4641% o wand: the magick wand. 4642% 4643*/ 4644WandExport EndianType MagickGetImageEndian(MagickWand *wand) 4645{ 4646 assert(wand != (MagickWand *) NULL); 4647 assert(wand->signature == WandSignature); 4648 if( IfMagickTrue(wand->debug) ) 4649 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4650 4651 if (wand->images == (Image *) NULL) 4652 { 4653 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4654 "ContainsNoImages","'%s'",wand->name); 4655 return(UndefinedEndian); 4656 } 4657 return(wand->images->endian); 4658} 4659 4660/* 4661%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4662% % 4663% % 4664% % 4665% M a g i c k G e t I m a g e F i l e n a m e % 4666% % 4667% % 4668% % 4669%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4670% 4671% MagickGetImageFilename() returns the filename of a particular image in a 4672% sequence. 4673% 4674% The format of the MagickGetImageFilename method is: 4675% 4676% char *MagickGetImageFilename(MagickWand *wand) 4677% 4678% A description of each parameter follows: 4679% 4680% o wand: the magick wand. 4681% 4682*/ 4683WandExport char *MagickGetImageFilename(MagickWand *wand) 4684{ 4685 assert(wand != (MagickWand *) NULL); 4686 assert(wand->signature == WandSignature); 4687 if( IfMagickTrue(wand->debug) ) 4688 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4689 4690 if (wand->images == (Image *) NULL) 4691 { 4692 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4693 "ContainsNoImages","'%s'",wand->name); 4694 return((char *) NULL); 4695 } 4696 return(AcquireString(wand->images->filename)); 4697} 4698 4699/* 4700%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4701% % 4702% % 4703% % 4704% M a g i c k G e t I m a g e F o r m a t % 4705% % 4706% % 4707% % 4708%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4709% 4710% MagickGetImageFormat() returns the format of a particular image in a 4711% sequence. 4712% 4713% The format of the MagickGetImageFormat method is: 4714% 4715% char *MagickGetImageFormat(MagickWand *wand) 4716% 4717% A description of each parameter follows: 4718% 4719% o wand: the magick wand. 4720% 4721*/ 4722WandExport char *MagickGetImageFormat(MagickWand *wand) 4723{ 4724 assert(wand != (MagickWand *) NULL); 4725 assert(wand->signature == WandSignature); 4726 if (IfMagickTrue(wand->debug)) 4727 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4728 if (wand->images == (Image *) NULL) 4729 { 4730 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4731 "ContainsNoImages","'%s'",wand->name); 4732 return((char *) NULL); 4733 } 4734 return(AcquireString(wand->images->magick)); 4735} 4736 4737/* 4738%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4739% % 4740% % 4741% % 4742% M a g i c k G e t I m a g e F u z z % 4743% % 4744% % 4745% % 4746%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4747% 4748% MagickGetImageFuzz() gets the image fuzz. 4749% 4750% The format of the MagickGetImageFuzz method is: 4751% 4752% double MagickGetImageFuzz(MagickWand *wand) 4753% 4754% A description of each parameter follows: 4755% 4756% o wand: the magick wand. 4757% 4758*/ 4759WandExport double MagickGetImageFuzz(MagickWand *wand) 4760{ 4761 assert(wand != (MagickWand *) NULL); 4762 assert(wand->signature == WandSignature); 4763 if( IfMagickTrue(wand->debug) ) 4764 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4765 4766 if (wand->images == (Image *) NULL) 4767 { 4768 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4769 "ContainsNoImages","'%s'",wand->name); 4770 return(0.0); 4771 } 4772 return(wand->images->fuzz); 4773} 4774 4775/* 4776%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4777% % 4778% % 4779% % 4780% M a g i c k G e t I m a g e G a m m a % 4781% % 4782% % 4783% % 4784%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4785% 4786% MagickGetImageGamma() gets the image gamma. 4787% 4788% The format of the MagickGetImageGamma method is: 4789% 4790% double MagickGetImageGamma(MagickWand *wand) 4791% 4792% A description of each parameter follows: 4793% 4794% o wand: the magick wand. 4795% 4796*/ 4797WandExport double MagickGetImageGamma(MagickWand *wand) 4798{ 4799 assert(wand != (MagickWand *) NULL); 4800 assert(wand->signature == WandSignature); 4801 if( IfMagickTrue(wand->debug) ) 4802 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4803 4804 if (wand->images == (Image *) NULL) 4805 { 4806 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4807 "ContainsNoImages","'%s'",wand->name); 4808 return(0.0); 4809 } 4810 return(wand->images->gamma); 4811} 4812 4813/* 4814%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4815% % 4816% % 4817% % 4818% M a g i c k G e t I m a g e G r a v i t y % 4819% % 4820% % 4821% % 4822%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4823% 4824% MagickGetImageGravity() gets the image gravity. 4825% 4826% The format of the MagickGetImageGravity method is: 4827% 4828% GravityType MagickGetImageGravity(MagickWand *wand) 4829% 4830% A description of each parameter follows: 4831% 4832% o wand: the magick wand. 4833% 4834*/ 4835WandExport GravityType MagickGetImageGravity(MagickWand *wand) 4836{ 4837 assert(wand != (MagickWand *) NULL); 4838 assert(wand->signature == WandSignature); 4839 if( IfMagickTrue(wand->debug) ) 4840 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4841 4842 if (wand->images == (Image *) NULL) 4843 { 4844 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4845 "ContainsNoImages","'%s'",wand->name); 4846 return(UndefinedGravity); 4847 } 4848 return(wand->images->gravity); 4849} 4850 4851/* 4852%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4853% % 4854% % 4855% % 4856% 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 % 4857% % 4858% % 4859% % 4860%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4861% 4862% MagickGetImageGreenPrimary() returns the chromaticy green primary point. 4863% 4864% The format of the MagickGetImageGreenPrimary method is: 4865% 4866% MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand,double *x, 4867% double *y) 4868% 4869% A description of each parameter follows: 4870% 4871% o wand: the magick wand. 4872% 4873% o x: the chromaticity green primary x-point. 4874% 4875% o y: the chromaticity green primary y-point. 4876% 4877*/ 4878WandExport MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand, 4879 double *x,double *y) 4880{ 4881 assert(wand != (MagickWand *) NULL); 4882 assert(wand->signature == WandSignature); 4883 if( IfMagickTrue(wand->debug) ) 4884 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4885 4886 if (wand->images == (Image *) NULL) 4887 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4888 *x=wand->images->chromaticity.green_primary.x; 4889 *y=wand->images->chromaticity.green_primary.y; 4890 return(MagickTrue); 4891} 4892 4893/* 4894%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4895% % 4896% % 4897% % 4898% M a g i c k G e t I m a g e H e i g h t % 4899% % 4900% % 4901% % 4902%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4903% 4904% MagickGetImageHeight() returns the image height. 4905% 4906% The format of the MagickGetImageHeight method is: 4907% 4908% size_t MagickGetImageHeight(MagickWand *wand) 4909% 4910% A description of each parameter follows: 4911% 4912% o wand: the magick wand. 4913% 4914*/ 4915WandExport size_t MagickGetImageHeight(MagickWand *wand) 4916{ 4917 assert(wand != (MagickWand *) NULL); 4918 assert(wand->signature == WandSignature); 4919 if( IfMagickTrue(wand->debug) ) 4920 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4921 4922 if (wand->images == (Image *) NULL) 4923 ThrowWandException(WandError,"ContainsNoImages",wand->name); 4924 return(wand->images->rows); 4925} 4926 4927/* 4928%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4929% % 4930% % 4931% % 4932% M a g i c k G e t I m a g e H i s t o g r a m % 4933% % 4934% % 4935% % 4936%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4937% 4938% MagickGetImageHistogram() returns the image histogram as an array of 4939% PixelWand wands. 4940% 4941% The format of the MagickGetImageHistogram method is: 4942% 4943% PixelWand **MagickGetImageHistogram(MagickWand *wand, 4944% size_t *number_colors) 4945% 4946% A description of each parameter follows: 4947% 4948% o wand: the magick wand. 4949% 4950% o number_colors: the number of unique colors in the image and the number 4951% of pixel wands returned. 4952% 4953*/ 4954WandExport PixelWand **MagickGetImageHistogram(MagickWand *wand, 4955 size_t *number_colors) 4956{ 4957 PixelInfo 4958 *histogram; 4959 4960 PixelWand 4961 **pixel_wands; 4962 4963 register ssize_t 4964 i; 4965 4966 assert(wand != (MagickWand *) NULL); 4967 assert(wand->signature == WandSignature); 4968 if( IfMagickTrue(wand->debug) ) 4969 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 4970 4971 if (wand->images == (Image *) NULL) 4972 { 4973 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 4974 "ContainsNoImages","'%s'",wand->name); 4975 return((PixelWand **) NULL); 4976 } 4977 histogram=GetImageHistogram(wand->images,number_colors,wand->exception); 4978 if (histogram == (PixelInfo *) NULL) 4979 return((PixelWand **) NULL); 4980 pixel_wands=NewPixelWands(*number_colors); 4981 for (i=0; i < (ssize_t) *number_colors; i++) 4982 { 4983 PixelSetPixelColor(pixel_wands[i],&histogram[i]); 4984 PixelSetColorCount(pixel_wands[i],(size_t) histogram[i].count); 4985 } 4986 histogram=(PixelInfo *) RelinquishMagickMemory(histogram); 4987 return(pixel_wands); 4988} 4989 4990/* 4991%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 4992% % 4993% % 4994% % 4995% 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 % 4996% % 4997% % 4998% % 4999%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5000% 5001% MagickGetImageInterlaceScheme() gets the image interlace scheme. 5002% 5003% The format of the MagickGetImageInterlaceScheme method is: 5004% 5005% InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 5006% 5007% A description of each parameter follows: 5008% 5009% o wand: the magick wand. 5010% 5011*/ 5012WandExport InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 5013{ 5014 assert(wand != (MagickWand *) NULL); 5015 assert(wand->signature == WandSignature); 5016 if( IfMagickTrue(wand->debug) ) 5017 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5018 5019 if (wand->images == (Image *) NULL) 5020 { 5021 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5022 "ContainsNoImages","'%s'",wand->name); 5023 return(UndefinedInterlace); 5024 } 5025 return(wand->images->interlace); 5026} 5027 5028/* 5029%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5030% % 5031% % 5032% % 5033% 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 % 5034% % 5035% % 5036% % 5037%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5038% 5039% MagickGetImageInterpolateMethod() returns the interpolation method for the 5040% sepcified image. 5041% 5042% The format of the MagickGetImageInterpolateMethod method is: 5043% 5044% PixelInterpolateMethod MagickGetImagePixelInterpolateMethod( 5045% MagickWand *wand) 5046% 5047% A description of each parameter follows: 5048% 5049% o wand: the magick wand. 5050% 5051*/ 5052WandExport PixelInterpolateMethod MagickGetImageInterpolateMethod( 5053 MagickWand *wand) 5054{ 5055 assert(wand != (MagickWand *) NULL); 5056 assert(wand->signature == WandSignature); 5057 if( IfMagickTrue(wand->debug) ) 5058 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5059 5060 if (wand->images == (Image *) NULL) 5061 { 5062 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5063 "ContainsNoImages","'%s'",wand->name); 5064 return(UndefinedInterpolatePixel); 5065 } 5066 return(wand->images->interpolate); 5067} 5068 5069/* 5070%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5071% % 5072% % 5073% % 5074% M a g i c k G e t I m a g e I t e r a t i o n s % 5075% % 5076% % 5077% % 5078%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5079% 5080% MagickGetImageIterations() gets the image iterations. 5081% 5082% The format of the MagickGetImageIterations method is: 5083% 5084% size_t MagickGetImageIterations(MagickWand *wand) 5085% 5086% A description of each parameter follows: 5087% 5088% o wand: the magick wand. 5089% 5090*/ 5091WandExport size_t MagickGetImageIterations(MagickWand *wand) 5092{ 5093 assert(wand != (MagickWand *) NULL); 5094 assert(wand->signature == WandSignature); 5095 if( IfMagickTrue(wand->debug) ) 5096 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5097 5098 if (wand->images == (Image *) NULL) 5099 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5100 return(wand->images->iterations); 5101} 5102 5103/* 5104%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5105% % 5106% % 5107% % 5108% M a g i c k G e t I m a g e L e n g t h % 5109% % 5110% % 5111% % 5112%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5113% 5114% MagickGetImageLength() returns the image length in bytes. 5115% 5116% The format of the MagickGetImageLength method is: 5117% 5118% MagickBooleanType MagickGetImageLength(MagickWand *wand, 5119% MagickSizeType *length) 5120% 5121% A description of each parameter follows: 5122% 5123% o wand: the magick wand. 5124% 5125% o length: the image length in bytes. 5126% 5127*/ 5128WandExport MagickBooleanType MagickGetImageLength(MagickWand *wand, 5129 MagickSizeType *length) 5130{ 5131 assert(wand != (MagickWand *) NULL); 5132 assert(wand->signature == WandSignature); 5133 if( IfMagickTrue(wand->debug) ) 5134 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5135 5136 if (wand->images == (Image *) NULL) 5137 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5138 *length=GetBlobSize(wand->images); 5139 return(MagickTrue); 5140} 5141 5142/* 5143%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5144% % 5145% % 5146% % 5147% M a g i c k G e t I m a g e M a t t e C o l o r % 5148% % 5149% % 5150% % 5151%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5152% 5153% MagickGetImageMatteColor() returns the image matte color. 5154% 5155% The format of the MagickGetImageMatteColor method is: 5156% 5157% MagickBooleanType MagickGetImagematteColor(MagickWand *wand, 5158% PixelWand *matte_color) 5159% 5160% A description of each parameter follows: 5161% 5162% o wand: the magick wand. 5163% 5164% o matte_color: Return the matte color. 5165% 5166*/ 5167WandExport MagickBooleanType MagickGetImageMatteColor(MagickWand *wand, 5168 PixelWand *matte_color) 5169{ 5170 assert(wand != (MagickWand *) NULL); 5171 assert(wand->signature == WandSignature); 5172 if( IfMagickTrue(wand->debug) ) 5173 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5174 5175 if (wand->images == (Image *) NULL) 5176 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5177 PixelSetPixelColor(matte_color,&wand->images->matte_color); 5178 return(MagickTrue); 5179} 5180 5181/* 5182%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5183% % 5184% % 5185% % 5186% 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 % 5187% % 5188% % 5189% % 5190%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5191% 5192% MagickGetImageOrientation() returns the image orientation. 5193% 5194% The format of the MagickGetImageOrientation method is: 5195% 5196% OrientationType MagickGetImageOrientation(MagickWand *wand) 5197% 5198% A description of each parameter follows: 5199% 5200% o wand: the magick wand. 5201% 5202*/ 5203WandExport OrientationType MagickGetImageOrientation(MagickWand *wand) 5204{ 5205 assert(wand != (MagickWand *) NULL); 5206 assert(wand->signature == WandSignature); 5207 if( IfMagickTrue(wand->debug) ) 5208 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5209 5210 if (wand->images == (Image *) NULL) 5211 { 5212 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5213 "ContainsNoImages","'%s'",wand->name); 5214 return(UndefinedOrientation); 5215 } 5216 return(wand->images->orientation); 5217} 5218 5219/* 5220%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5221% % 5222% % 5223% % 5224% M a g i c k G e t I m a g e P a g e % 5225% % 5226% % 5227% % 5228%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5229% 5230% MagickGetImagePage() returns the page geometry associated with the image. 5231% 5232% The format of the MagickGetImagePage method is: 5233% 5234% MagickBooleanType MagickGetImagePage(MagickWand *wand, 5235% size_t *width,size_t *height,ssize_t *x,ssize_t *y) 5236% 5237% A description of each parameter follows: 5238% 5239% o wand: the magick wand. 5240% 5241% o width: the page width. 5242% 5243% o height: the page height. 5244% 5245% o x: the page x-offset. 5246% 5247% o y: the page y-offset. 5248% 5249*/ 5250WandExport MagickBooleanType MagickGetImagePage(MagickWand *wand, 5251 size_t *width,size_t *height,ssize_t *x,ssize_t *y) 5252{ 5253 assert(wand != (const MagickWand *) NULL); 5254 assert(wand->signature == WandSignature); 5255 if( IfMagickTrue(wand->debug) ) 5256 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5257 5258 if (wand->images == (Image *) NULL) 5259 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5260 *width=wand->images->page.width; 5261 *height=wand->images->page.height; 5262 *x=wand->images->page.x; 5263 *y=wand->images->page.y; 5264 return(MagickTrue); 5265} 5266 5267/* 5268%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5269% % 5270% % 5271% % 5272% M a g i c k G e t I m a g e P i x e l C o l o r % 5273% % 5274% % 5275% % 5276%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5277% 5278% MagickGetImagePixelColor() returns the color of the specified pixel. 5279% 5280% The format of the MagickGetImagePixelColor method is: 5281% 5282% MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5283% const ssize_t x,const ssize_t y,PixelWand *color) 5284% 5285% A description of each parameter follows: 5286% 5287% o wand: the magick wand. 5288% 5289% o x,y: the pixel offset into the image. 5290% 5291% o color: Return the colormap color in this wand. 5292% 5293*/ 5294WandExport MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 5295 const ssize_t x,const ssize_t y,PixelWand *color) 5296{ 5297 register const Quantum 5298 *p; 5299 5300 CacheView 5301 *image_view; 5302 5303 assert(wand != (MagickWand *) NULL); 5304 assert(wand->signature == WandSignature); 5305 if( IfMagickTrue(wand->debug) ) 5306 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5307 5308 if (wand->images == (Image *) NULL) 5309 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5310 image_view=AcquireVirtualCacheView(wand->images,wand->exception); 5311 p=GetCacheViewVirtualPixels(image_view,x,y,1,1,wand->exception); 5312 if (p == (const Quantum *) NULL) 5313 { 5314 image_view=DestroyCacheView(image_view); 5315 return(MagickFalse); 5316 } 5317 PixelSetQuantumPixel(wand->images,p,color); 5318 image_view=DestroyCacheView(image_view); 5319 return(MagickTrue); 5320} 5321 5322/* 5323%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5324% % 5325% % 5326% % 5327% M a g i c k G e t I m a g e R e d P r i m a r y % 5328% % 5329% % 5330% % 5331%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5332% 5333% MagickGetImageRedPrimary() returns the chromaticy red primary point. 5334% 5335% The format of the MagickGetImageRedPrimary method is: 5336% 5337% MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand,double *x, 5338% double *y) 5339% 5340% A description of each parameter follows: 5341% 5342% o wand: the magick wand. 5343% 5344% o x: the chromaticity red primary x-point. 5345% 5346% o y: the chromaticity red primary y-point. 5347% 5348*/ 5349WandExport MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand, 5350 double *x,double *y) 5351{ 5352 assert(wand != (MagickWand *) NULL); 5353 assert(wand->signature == WandSignature); 5354 if( IfMagickTrue(wand->debug) ) 5355 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5356 5357 if (wand->images == (Image *) NULL) 5358 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5359 *x=wand->images->chromaticity.red_primary.x; 5360 *y=wand->images->chromaticity.red_primary.y; 5361 return(MagickTrue); 5362} 5363 5364/* 5365%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5366% % 5367% % 5368% % 5369% M a g i c k G e t I m a g e R e g i o n % 5370% % 5371% % 5372% % 5373%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5374% 5375% MagickGetImageRegion() extracts a region of the image and returns it as a 5376% a new wand. 5377% 5378% The format of the MagickGetImageRegion method is: 5379% 5380% MagickWand *MagickGetImageRegion(MagickWand *wand, 5381% const size_t width,const size_t height,const ssize_t x, 5382% const ssize_t y) 5383% 5384% A description of each parameter follows: 5385% 5386% o wand: the magick wand. 5387% 5388% o width: the region width. 5389% 5390% o height: the region height. 5391% 5392% o x: the region x offset. 5393% 5394% o y: the region y offset. 5395% 5396*/ 5397WandExport MagickWand *MagickGetImageRegion(MagickWand *wand, 5398 const size_t width,const size_t height,const ssize_t x, 5399 const ssize_t y) 5400{ 5401 Image 5402 *region_image; 5403 5404 RectangleInfo 5405 region; 5406 5407 assert(wand != (MagickWand *) NULL); 5408 assert(wand->signature == WandSignature); 5409 if( IfMagickTrue(wand->debug) ) 5410 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5411 5412 if (wand->images == (Image *) NULL) 5413 return((MagickWand *) NULL); 5414 region.width=width; 5415 region.height=height; 5416 region.x=x; 5417 region.y=y; 5418 region_image=CropImage(wand->images,®ion,wand->exception); 5419 if (region_image == (Image *) NULL) 5420 return((MagickWand *) NULL); 5421 return(CloneMagickWandFromImages(wand,region_image)); 5422} 5423 5424/* 5425%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5426% % 5427% % 5428% % 5429% 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 % 5430% % 5431% % 5432% % 5433%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5434% 5435% MagickGetImageRenderingIntent() gets the image rendering intent. 5436% 5437% The format of the MagickGetImageRenderingIntent method is: 5438% 5439% RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5440% 5441% A description of each parameter follows: 5442% 5443% o wand: the magick wand. 5444% 5445*/ 5446WandExport RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 5447{ 5448 assert(wand != (MagickWand *) NULL); 5449 assert(wand->signature == WandSignature); 5450 if( IfMagickTrue(wand->debug) ) 5451 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5452 5453 if (wand->images == (Image *) NULL) 5454 { 5455 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5456 "ContainsNoImages","'%s'",wand->name); 5457 return(UndefinedIntent); 5458 } 5459 return((RenderingIntent) wand->images->rendering_intent); 5460} 5461 5462/* 5463%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5464% % 5465% % 5466% % 5467% M a g i c k G e t I m a g e R e s o l u t i o n % 5468% % 5469% % 5470% % 5471%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5472% 5473% MagickGetImageResolution() gets the image X and Y resolution. 5474% 5475% The format of the MagickGetImageResolution method is: 5476% 5477% MagickBooleanType MagickGetImageResolution(MagickWand *wand,double *x, 5478% double *y) 5479% 5480% A description of each parameter follows: 5481% 5482% o wand: the magick wand. 5483% 5484% o x: the image x-resolution. 5485% 5486% o y: the image y-resolution. 5487% 5488*/ 5489WandExport MagickBooleanType MagickGetImageResolution(MagickWand *wand, 5490 double *x,double *y) 5491{ 5492 assert(wand != (MagickWand *) NULL); 5493 assert(wand->signature == WandSignature); 5494 if( IfMagickTrue(wand->debug) ) 5495 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5496 5497 if (wand->images == (Image *) NULL) 5498 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5499 *x=wand->images->resolution.x; 5500 *y=wand->images->resolution.y; 5501 return(MagickTrue); 5502} 5503 5504/* 5505%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5506% % 5507% % 5508% % 5509% M a g i c k G e t I m a g e S c e n e % 5510% % 5511% % 5512% % 5513%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5514% 5515% MagickGetImageScene() gets the image scene. 5516% 5517% The format of the MagickGetImageScene method is: 5518% 5519% size_t MagickGetImageScene(MagickWand *wand) 5520% 5521% A description of each parameter follows: 5522% 5523% o wand: the magick wand. 5524% 5525*/ 5526WandExport size_t MagickGetImageScene(MagickWand *wand) 5527{ 5528 assert(wand != (MagickWand *) NULL); 5529 assert(wand->signature == WandSignature); 5530 if( IfMagickTrue(wand->debug) ) 5531 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5532 5533 if (wand->images == (Image *) NULL) 5534 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5535 return(wand->images->scene); 5536} 5537 5538/* 5539%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5540% % 5541% % 5542% % 5543% M a g i c k G e t I m a g e S i g n a t u r e % 5544% % 5545% % 5546% % 5547%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5548% 5549% MagickGetImageSignature() generates an SHA-256 message digest for the image 5550% pixel stream. 5551% 5552% The format of the MagickGetImageSignature method is: 5553% 5554% char *MagickGetImageSignature(MagickWand *wand) 5555% 5556% A description of each parameter follows: 5557% 5558% o wand: the magick wand. 5559% 5560*/ 5561WandExport char *MagickGetImageSignature(MagickWand *wand) 5562{ 5563 const char 5564 *value; 5565 5566 MagickBooleanType 5567 status; 5568 5569 assert(wand != (MagickWand *) NULL); 5570 assert(wand->signature == WandSignature); 5571 if( IfMagickTrue(wand->debug) ) 5572 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5573 5574 if (wand->images == (Image *) NULL) 5575 { 5576 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5577 "ContainsNoImages","'%s'",wand->name); 5578 return((char *) NULL); 5579 } 5580 status=SignatureImage(wand->images,wand->exception); 5581 if( IfMagickFalse(status) ) 5582 return((char *) NULL); 5583 value=GetImageProperty(wand->images,"signature",wand->exception); 5584 if (value == (const char *) NULL) 5585 return((char *) NULL); 5586 return(AcquireString(value)); 5587} 5588 5589/* 5590%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5591% % 5592% % 5593% % 5594% 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 % 5595% % 5596% % 5597% % 5598%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5599% 5600% MagickGetImageTicksPerSecond() gets the image ticks-per-second. 5601% 5602% The format of the MagickGetImageTicksPerSecond method is: 5603% 5604% size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5605% 5606% A description of each parameter follows: 5607% 5608% o wand: the magick wand. 5609% 5610*/ 5611WandExport size_t MagickGetImageTicksPerSecond(MagickWand *wand) 5612{ 5613 assert(wand != (MagickWand *) NULL); 5614 assert(wand->signature == WandSignature); 5615 if( IfMagickTrue(wand->debug) ) 5616 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5617 5618 if (wand->images == (Image *) NULL) 5619 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5620 return((size_t) wand->images->ticks_per_second); 5621} 5622 5623/* 5624%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5625% % 5626% % 5627% % 5628% M a g i c k G e t I m a g e T y p e % 5629% % 5630% % 5631% % 5632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5633% 5634% MagickGetImageType() gets the potential image type: 5635% 5636% Bilevel Grayscale GrayscaleMatte 5637% Palette PaletteMatte TrueColor 5638% TrueColorMatte ColorSeparation ColorSeparationMatte 5639% 5640% To ensure the image type matches its potential, use MagickSetImageType(): 5641% 5642% (void) MagickSetImageType(wand,MagickGetImageType(wand)); 5643% 5644% The format of the MagickGetImageType method is: 5645% 5646% ImageType MagickGetImageType(MagickWand *wand) 5647% 5648% A description of each parameter follows: 5649% 5650% o wand: the magick wand. 5651% 5652*/ 5653WandExport ImageType MagickGetImageType(MagickWand *wand) 5654{ 5655 assert(wand != (MagickWand *) NULL); 5656 assert(wand->signature == WandSignature); 5657 if( IfMagickTrue(wand->debug) ) 5658 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5659 5660 if (wand->images == (Image *) NULL) 5661 { 5662 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5663 "ContainsNoImages","'%s'",wand->name); 5664 return(UndefinedType); 5665 } 5666 return(GetImageType(wand->images,wand->exception)); 5667} 5668 5669/* 5670%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5671% % 5672% % 5673% % 5674% M a g i c k G e t I m a g e U n i t s % 5675% % 5676% % 5677% % 5678%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5679% 5680% MagickGetImageUnits() gets the image units of resolution. 5681% 5682% The format of the MagickGetImageUnits method is: 5683% 5684% ResolutionType MagickGetImageUnits(MagickWand *wand) 5685% 5686% A description of each parameter follows: 5687% 5688% o wand: the magick wand. 5689% 5690*/ 5691WandExport ResolutionType MagickGetImageUnits(MagickWand *wand) 5692{ 5693 assert(wand != (MagickWand *) NULL); 5694 assert(wand->signature == WandSignature); 5695 if( IfMagickTrue(wand->debug) ) 5696 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5697 5698 if (wand->images == (Image *) NULL) 5699 { 5700 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5701 "ContainsNoImages","'%s'",wand->name); 5702 return(UndefinedResolution); 5703 } 5704 return(wand->images->units); 5705} 5706 5707/* 5708%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5709% % 5710% % 5711% % 5712% 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 % 5713% % 5714% % 5715% % 5716%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5717% 5718% MagickGetImageVirtualPixelMethod() returns the virtual pixel method for the 5719% sepcified image. 5720% 5721% The format of the MagickGetImageVirtualPixelMethod method is: 5722% 5723% VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5724% 5725% A description of each parameter follows: 5726% 5727% o wand: the magick wand. 5728% 5729*/ 5730WandExport VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 5731{ 5732 assert(wand != (MagickWand *) NULL); 5733 assert(wand->signature == WandSignature); 5734 if( IfMagickTrue(wand->debug) ) 5735 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5736 5737 if (wand->images == (Image *) NULL) 5738 { 5739 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5740 "ContainsNoImages","'%s'",wand->name); 5741 return(UndefinedVirtualPixelMethod); 5742 } 5743 return(GetImageVirtualPixelMethod(wand->images)); 5744} 5745 5746/* 5747%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5748% % 5749% % 5750% % 5751% M a g i c k G e t I m a g e W h i t e P o i n t % 5752% % 5753% % 5754% % 5755%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5756% 5757% MagickGetImageWhitePoint() returns the chromaticy white point. 5758% 5759% The format of the MagickGetImageWhitePoint method is: 5760% 5761% MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand,double *x, 5762% double *y) 5763% 5764% A description of each parameter follows: 5765% 5766% o wand: the magick wand. 5767% 5768% o x: the chromaticity white x-point. 5769% 5770% o y: the chromaticity white y-point. 5771% 5772*/ 5773WandExport MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand, 5774 double *x,double *y) 5775{ 5776 assert(wand != (MagickWand *) NULL); 5777 assert(wand->signature == WandSignature); 5778 if( IfMagickTrue(wand->debug) ) 5779 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5780 5781 if (wand->images == (Image *) NULL) 5782 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5783 *x=wand->images->chromaticity.white_point.x; 5784 *y=wand->images->chromaticity.white_point.y; 5785 return(MagickTrue); 5786} 5787 5788/* 5789%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5790% % 5791% % 5792% % 5793% M a g i c k G e t I m a g e W i d t h % 5794% % 5795% % 5796% % 5797%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5798% 5799% MagickGetImageWidth() returns the image width. 5800% 5801% The format of the MagickGetImageWidth method is: 5802% 5803% size_t MagickGetImageWidth(MagickWand *wand) 5804% 5805% A description of each parameter follows: 5806% 5807% o wand: the magick wand. 5808% 5809*/ 5810WandExport size_t MagickGetImageWidth(MagickWand *wand) 5811{ 5812 assert(wand != (MagickWand *) NULL); 5813 assert(wand->signature == WandSignature); 5814 if( IfMagickTrue(wand->debug) ) 5815 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5816 5817 if (wand->images == (Image *) NULL) 5818 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5819 return(wand->images->columns); 5820} 5821 5822/* 5823%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5824% % 5825% % 5826% % 5827% M a g i c k G e t N u m b e r I m a g e s % 5828% % 5829% % 5830% % 5831%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5832% 5833% MagickGetNumberImages() returns the number of images associated with a 5834% magick wand. 5835% 5836% The format of the MagickGetNumberImages method is: 5837% 5838% size_t MagickGetNumberImages(MagickWand *wand) 5839% 5840% A description of each parameter follows: 5841% 5842% o wand: the magick wand. 5843% 5844*/ 5845WandExport size_t MagickGetNumberImages(MagickWand *wand) 5846{ 5847 assert(wand != (MagickWand *) NULL); 5848 assert(wand->signature == WandSignature); 5849 if( IfMagickTrue(wand->debug) ) 5850 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5851 5852 return(GetImageListLength(wand->images)); 5853} 5854 5855/* 5856%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5857% % 5858% % 5859% % 5860% 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 % 5861% % 5862% % 5863% % 5864%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5865% 5866% MagickGetImageTotalInkDensity() gets the image total ink density. 5867% 5868% The format of the MagickGetImageTotalInkDensity method is: 5869% 5870% double MagickGetImageTotalInkDensity(MagickWand *wand) 5871% 5872% A description of each parameter follows: 5873% 5874% o wand: the magick wand. 5875% 5876*/ 5877WandExport double MagickGetImageTotalInkDensity(MagickWand *wand) 5878{ 5879 assert(wand != (MagickWand *) NULL); 5880 assert(wand->signature == WandSignature); 5881 if( IfMagickTrue(wand->debug) ) 5882 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5883 5884 if (wand->images == (Image *) NULL) 5885 { 5886 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 5887 "ContainsNoImages","'%s'",wand->name); 5888 return(0.0); 5889 } 5890 return(GetImageTotalInkDensity(wand->images,wand->exception)); 5891} 5892 5893/* 5894%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5895% % 5896% % 5897% % 5898% M a g i c k H a l d C l u t I m a g e % 5899% % 5900% % 5901% % 5902%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5903% 5904% MagickHaldClutImage() replaces colors in the image from a Hald color lookup 5905% table. A Hald color lookup table is a 3-dimensional color cube mapped to 2 5906% dimensions. Create it with the HALD coder. You can apply any color 5907% transformation to the Hald image and then use this method to apply the 5908% transform to the image. 5909% 5910% The format of the MagickHaldClutImage method is: 5911% 5912% MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5913% const MagickWand *hald_wand) 5914% 5915% A description of each parameter follows: 5916% 5917% o wand: the magick wand. 5918% 5919% o hald_image: the hald CLUT image. 5920% 5921*/ 5922WandExport MagickBooleanType MagickHaldClutImage(MagickWand *wand, 5923 const MagickWand *hald_wand) 5924{ 5925 MagickBooleanType 5926 status; 5927 5928 assert(wand != (MagickWand *) NULL); 5929 assert(wand->signature == WandSignature); 5930 if( IfMagickTrue(wand->debug) ) 5931 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5932 5933 if ((wand->images == (Image *) NULL) || (hald_wand->images == (Image *) NULL)) 5934 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5935 status=HaldClutImage(wand->images,hald_wand->images,wand->exception); 5936 return(status); 5937} 5938 5939/* 5940%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5941% % 5942% % 5943% % 5944% M a g i c k H a s N e x t I m a g e % 5945% % 5946% % 5947% % 5948%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5949% 5950% MagickHasNextImage() returns MagickTrue if the wand has more images when 5951% traversing the list in the forward direction 5952% 5953% The format of the MagickHasNextImage method is: 5954% 5955% MagickBooleanType MagickHasNextImage(MagickWand *wand) 5956% 5957% A description of each parameter follows: 5958% 5959% o wand: the magick wand. 5960% 5961*/ 5962WandExport MagickBooleanType MagickHasNextImage(MagickWand *wand) 5963{ 5964 assert(wand != (MagickWand *) NULL); 5965 assert(wand->signature == WandSignature); 5966 if( IfMagickTrue(wand->debug) ) 5967 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 5968 5969 if (wand->images == (Image *) NULL) 5970 ThrowWandException(WandError,"ContainsNoImages",wand->name); 5971 if (GetNextImageInList(wand->images) == (Image *) NULL) 5972 return(MagickFalse); 5973 return(MagickTrue); 5974} 5975 5976/* 5977%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5978% % 5979% % 5980% % 5981% M a g i c k H a s P r e v i o u s I m a g e % 5982% % 5983% % 5984% % 5985%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5986% 5987% MagickHasPreviousImage() returns MagickTrue if the wand has more images when 5988% traversing the list in the reverse direction 5989% 5990% The format of the MagickHasPreviousImage method is: 5991% 5992% MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 5993% 5994% A description of each parameter follows: 5995% 5996% o wand: the magick wand. 5997% 5998*/ 5999WandExport MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 6000{ 6001 assert(wand != (MagickWand *) NULL); 6002 assert(wand->signature == WandSignature); 6003 if( IfMagickTrue(wand->debug) ) 6004 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6005 6006 if (wand->images == (Image *) NULL) 6007 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6008 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 6009 return(MagickFalse); 6010 return(MagickTrue); 6011} 6012 6013/* 6014%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6015% % 6016% % 6017% % 6018% M a g i c k I d e n t i f y I m a g e % 6019% % 6020% % 6021% % 6022%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6023% 6024% MagickIdentifyImage() identifies an image by printing its attributes to the 6025% file. Attributes include the image width, height, size, and others. 6026% 6027% The format of the MagickIdentifyImage method is: 6028% 6029% const char *MagickIdentifyImage(MagickWand *wand) 6030% 6031% A description of each parameter follows: 6032% 6033% o wand: the magick wand. 6034% 6035*/ 6036WandExport char *MagickIdentifyImage(MagickWand *wand) 6037{ 6038 char 6039 *description, 6040 filename[MaxTextExtent]; 6041 6042 FILE 6043 *file; 6044 6045 int 6046 unique_file; 6047 6048 assert(wand != (MagickWand *) NULL); 6049 assert(wand->signature == WandSignature); 6050 if( IfMagickTrue(wand->debug) ) 6051 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6052 6053 if (wand->images == (Image *) NULL) 6054 { 6055 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6056 "ContainsNoImages","'%s'",wand->name); 6057 return((char *) NULL); 6058 } 6059 description=(char *) NULL; 6060 unique_file=AcquireUniqueFileResource(filename); 6061 file=(FILE *) NULL; 6062 if (unique_file != -1) 6063 file=fdopen(unique_file,"wb"); 6064 if ((unique_file == -1) || (file == (FILE *) NULL)) 6065 { 6066 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 6067 "UnableToCreateTemporaryFile","'%s'",wand->name); 6068 return((char *) NULL); 6069 } 6070 (void) IdentifyImage(wand->images,file,MagickTrue,wand->exception); 6071 (void) fclose(file); 6072 description=FileToString(filename,~0,wand->exception); 6073 (void) RelinquishUniqueFileResource(filename); 6074 return(description); 6075} 6076 6077/* 6078%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6079% % 6080% % 6081% % 6082% M a g i c k I m p l o d e I m a g e % 6083% % 6084% % 6085% % 6086%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6087% 6088% MagickImplodeImage() creates a new image that is a copy of an existing 6089% one with the image pixels "implode" by the specified percentage. It 6090% allocates the memory necessary for the new Image structure and returns a 6091% pointer to the new image. 6092% 6093% The format of the MagickImplodeImage method is: 6094% 6095% MagickBooleanType MagickImplodeImage(MagickWand *wand, 6096% const double radius,const PixelInterpolateMethod method) 6097% 6098% A description of each parameter follows: 6099% 6100% o wand: the magick wand. 6101% 6102% o amount: Define the extent of the implosion. 6103% 6104% o method: the pixel interpolation method. 6105% 6106*/ 6107WandExport MagickBooleanType MagickImplodeImage(MagickWand *wand, 6108 const double amount,const PixelInterpolateMethod method) 6109{ 6110 Image 6111 *implode_image; 6112 6113 assert(wand != (MagickWand *) NULL); 6114 assert(wand->signature == WandSignature); 6115 if( IfMagickTrue(wand->debug) ) 6116 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6117 6118 if (wand->images == (Image *) NULL) 6119 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6120 implode_image=ImplodeImage(wand->images,amount,method,wand->exception); 6121 if (implode_image == (Image *) NULL) 6122 return(MagickFalse); 6123 ReplaceImageInList(&wand->images,implode_image); 6124 return(MagickTrue); 6125} 6126 6127/* 6128%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6129% % 6130% % 6131% % 6132% M a g i c k I m p o r t I m a g e P i x e l s % 6133% % 6134% % 6135% % 6136%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6137% 6138% MagickImportImagePixels() accepts pixel datand stores it in the image at the 6139% location you specify. The method returns MagickFalse on success otherwise 6140% MagickTrue if an error is encountered. The pixel data can be either char, 6141% short int, int, ssize_t, float, or double in the order specified by map. 6142% 6143% Suppose your want to upload the first scanline of a 640x480 image from 6144% character data in red-green-blue order: 6145% 6146% MagickImportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 6147% 6148% The format of the MagickImportImagePixels method is: 6149% 6150% MagickBooleanType MagickImportImagePixels(MagickWand *wand, 6151% const ssize_t x,const ssize_t y,const size_t columns, 6152% const size_t rows,const char *map,const StorageType storage, 6153% const void *pixels) 6154% 6155% A description of each parameter follows: 6156% 6157% o wand: the magick wand. 6158% 6159% o x, y, columns, rows: These values define the perimeter of a region 6160% of pixels you want to define. 6161% 6162% o map: This string reflects the expected ordering of the pixel array. 6163% It can be any combination or order of R = red, G = green, B = blue, 6164% A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, 6165% Y = yellow, M = magenta, K = black, I = intensity (for grayscale), 6166% P = pad. 6167% 6168% o storage: Define the data type of the pixels. Float and double types are 6169% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from 6170% these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, 6171% or DoublePixel. 6172% 6173% o pixels: This array of values contain the pixel components as defined by 6174% map and type. You must preallocate this array where the expected 6175% length varies depending on the values of width, height, map, and type. 6176% 6177*/ 6178WandExport MagickBooleanType MagickImportImagePixels(MagickWand *wand, 6179 const ssize_t x,const ssize_t y,const size_t columns,const size_t rows, 6180 const char *map,const StorageType storage,const void *pixels) 6181{ 6182 MagickBooleanType 6183 status; 6184 6185 assert(wand != (MagickWand *) NULL); 6186 assert(wand->signature == WandSignature); 6187 if( IfMagickTrue(wand->debug) ) 6188 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6189 6190 if (wand->images == (Image *) NULL) 6191 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6192 status=ImportImagePixels(wand->images,x,y,columns,rows,map,storage,pixels, 6193 wand->exception); 6194 return(status); 6195} 6196 6197/* 6198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6199% % 6200% % 6201% % 6202% M a g i c k I n t e r p o l a t i v e R e s i z e I m a g e % 6203% % 6204% % 6205% % 6206%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6207% 6208% MagickInterpolativeResizeImage() resize image using a interpolative 6209% method. 6210% 6211% MagickBooleanType MagickInterpolativeResizeImage(MagickWand *wand, 6212% const size_t columns,const size_t rows, 6213% const PixelInterpolateMethod method) 6214% 6215% A description of each parameter follows: 6216% 6217% o wand: the magick wand. 6218% 6219% o columns: the number of columns in the scaled image. 6220% 6221% o rows: the number of rows in the scaled image. 6222% 6223% o interpolate: the pixel interpolation method. 6224% 6225*/ 6226WandExport MagickBooleanType MagickInterpolativeResizeImage(MagickWand *wand, 6227 const size_t columns,const size_t rows,const PixelInterpolateMethod method) 6228{ 6229 Image 6230 *resize_image; 6231 6232 assert(wand != (MagickWand *) NULL); 6233 assert(wand->signature == WandSignature); 6234 if( IfMagickTrue(wand->debug) ) 6235 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6236 6237 if (wand->images == (Image *) NULL) 6238 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6239 resize_image=InterpolativeResizeImage(wand->images,columns,rows,method, 6240 wand->exception); 6241 if (resize_image == (Image *) NULL) 6242 return(MagickFalse); 6243 ReplaceImageInList(&wand->images,resize_image); 6244 return(MagickTrue); 6245} 6246 6247/* 6248%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6249% % 6250% % 6251% % 6252% 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 % 6253% % 6254% % 6255% % 6256%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6257% 6258% MagickInverseFourierTransformImage() implements the inverse discrete 6259% Fourier transform (DFT) of the image either as a magnitude / phase or real / 6260% imaginary image pair. 6261% 6262% The format of the MagickInverseFourierTransformImage method is: 6263% 6264% MagickBooleanType MagickInverseFourierTransformImage( 6265% MagickWand *magnitude_wand,MagickWand *phase_wand, 6266% const MagickBooleanType magnitude) 6267% 6268% A description of each parameter follows: 6269% 6270% o magnitude_wand: the magnitude or real wand. 6271% 6272% o phase_wand: the phase or imaginary wand. 6273% 6274% o magnitude: if true, return as magnitude / phase pair otherwise a real / 6275% imaginary image pair. 6276% 6277*/ 6278WandExport MagickBooleanType MagickInverseFourierTransformImage( 6279 MagickWand *magnitude_wand,MagickWand *phase_wand, 6280 const MagickBooleanType magnitude) 6281{ 6282 Image 6283 *inverse_image; 6284 6285 MagickWand 6286 *wand; 6287 6288 assert(magnitude_wand != (MagickWand *) NULL); 6289 assert(magnitude_wand->signature == WandSignature); 6290 if( IfMagickTrue(magnitude_wand->debug) ) 6291 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", 6292 6293 magnitude_wand->name); 6294 wand=magnitude_wand; 6295 if (magnitude_wand->images == (Image *) NULL) 6296 ThrowWandException(WandError,"ContainsNoImages", 6297 magnitude_wand->name); 6298 assert(phase_wand != (MagickWand *) NULL); 6299 assert(phase_wand->signature == WandSignature); 6300 inverse_image=InverseFourierTransformImage(magnitude_wand->images, 6301 phase_wand->images,magnitude,wand->exception); 6302 if (inverse_image == (Image *) NULL) 6303 return(MagickFalse); 6304 ReplaceImageInList(&wand->images,inverse_image); 6305 return(MagickTrue); 6306} 6307 6308/* 6309%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6310% % 6311% % 6312% % 6313% M a g i c k L a b e l I m a g e % 6314% % 6315% % 6316% % 6317%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6318% 6319% MagickLabelImage() adds a label to your image. 6320% 6321% The format of the MagickLabelImage method is: 6322% 6323% MagickBooleanType MagickLabelImage(MagickWand *wand,const char *label) 6324% 6325% A description of each parameter follows: 6326% 6327% o wand: the magick wand. 6328% 6329% o label: the image label. 6330% 6331*/ 6332WandExport MagickBooleanType MagickLabelImage(MagickWand *wand, 6333 const char *label) 6334{ 6335 MagickBooleanType 6336 status; 6337 6338 assert(wand != (MagickWand *) NULL); 6339 assert(wand->signature == WandSignature); 6340 if( IfMagickTrue(wand->debug) ) 6341 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6342 6343 if (wand->images == (Image *) NULL) 6344 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6345 status=SetImageProperty(wand->images,"label",label,wand->exception); 6346 return(status); 6347} 6348 6349/* 6350%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6351% % 6352% % 6353% % 6354% M a g i c k L e v e l I m a g e % 6355% % 6356% % 6357% % 6358%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6359% 6360% MagickLevelImage() adjusts the levels of an image by scaling the colors 6361% falling between specified white and black points to the full available 6362% quantum range. The parameters provided represent the black, mid, and white 6363% points. The black point specifies the darkest color in the image. Colors 6364% darker than the black point are set to zero. Mid point specifies a gamma 6365% correction to apply to the image. White point specifies the lightest color 6366% in the image. Colors brighter than the white point are set to the maximum 6367% quantum value. 6368% 6369% The format of the MagickLevelImage method is: 6370% 6371% MagickBooleanType MagickLevelImage(MagickWand *wand, 6372% const double black_point,const double gamma,const double white_point) 6373% MagickBooleanType MagickLevelImage(MagickWand *wand, 6374% const ChannelType channel,const double black_point,const double gamma, 6375% const double white_point) 6376% 6377% A description of each parameter follows: 6378% 6379% o wand: the magick wand. 6380% 6381% o channel: Identify which channel to level: RedPixelChannel, 6382% GreenPixelChannel, etc. 6383% 6384% o black_point: the black point. 6385% 6386% o gamma: the gamma. 6387% 6388% o white_point: the white point. 6389% 6390*/ 6391WandExport MagickBooleanType MagickLevelImage(MagickWand *wand, 6392 const double black_point,const double gamma,const double white_point) 6393{ 6394 MagickBooleanType 6395 status; 6396 6397 assert(wand != (MagickWand *) NULL); 6398 assert(wand->signature == WandSignature); 6399 if( IfMagickTrue(wand->debug) ) 6400 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6401 6402 if (wand->images == (Image *) NULL) 6403 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6404 status=LevelImage(wand->images,black_point,white_point,gamma, 6405 wand->exception); 6406 return(status); 6407} 6408 6409/* 6410%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6411% % 6412% % 6413% % 6414% M a g i c k L i n e a r S t r e t c h I m a g e % 6415% % 6416% % 6417% % 6418%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6419% 6420% MagickLinearStretchImage() stretches with saturation the image intensity. 6421% 6422% You can also reduce the influence of a particular channel with a gamma 6423% value of 0. 6424% 6425% The format of the MagickLinearStretchImage method is: 6426% 6427% MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6428% const double black_point,const double white_point) 6429% 6430% A description of each parameter follows: 6431% 6432% o wand: the magick wand. 6433% 6434% o black_point: the black point. 6435% 6436% o white_point: the white point. 6437% 6438*/ 6439WandExport MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 6440 const double black_point,const double white_point) 6441{ 6442 MagickBooleanType 6443 status; 6444 6445 assert(wand != (MagickWand *) NULL); 6446 assert(wand->signature == WandSignature); 6447 if( IfMagickTrue(wand->debug) ) 6448 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6449 6450 if (wand->images == (Image *) NULL) 6451 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6452 status=LinearStretchImage(wand->images,black_point,white_point, 6453 wand->exception); 6454 return(status); 6455} 6456 6457/* 6458%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6459% % 6460% % 6461% % 6462% M a g i c k L i q u i d R e s c a l e I m a g e % 6463% % 6464% % 6465% % 6466%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6467% 6468% MagickLiquidRescaleImage() rescales image with seam carving. 6469% 6470% MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6471% const size_t columns,const size_t rows, 6472% const double delta_x,const double rigidity) 6473% 6474% A description of each parameter follows: 6475% 6476% o wand: the magick wand. 6477% 6478% o columns: the number of columns in the scaled image. 6479% 6480% o rows: the number of rows in the scaled image. 6481% 6482% o delta_x: maximum seam transversal step (0 means straight seams). 6483% 6484% o rigidity: introduce a bias for non-straight seams (typically 0). 6485% 6486*/ 6487WandExport MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, 6488 const size_t columns,const size_t rows,const double delta_x, 6489 const double rigidity) 6490{ 6491 Image 6492 *rescale_image; 6493 6494 assert(wand != (MagickWand *) NULL); 6495 assert(wand->signature == WandSignature); 6496 if( IfMagickTrue(wand->debug) ) 6497 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6498 6499 if (wand->images == (Image *) NULL) 6500 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6501 rescale_image=LiquidRescaleImage(wand->images,columns,rows,delta_x, 6502 rigidity,wand->exception); 6503 if (rescale_image == (Image *) NULL) 6504 return(MagickFalse); 6505 ReplaceImageInList(&wand->images,rescale_image); 6506 return(MagickTrue); 6507} 6508 6509/* 6510%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6511% % 6512% % 6513% % 6514% M a g i c k M a g n i f y I m a g e % 6515% % 6516% % 6517% % 6518%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6519% 6520% MagickMagnifyImage() is a convenience method that scales an image 6521% proportionally to twice its original size. 6522% 6523% The format of the MagickMagnifyImage method is: 6524% 6525% MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6526% 6527% A description of each parameter follows: 6528% 6529% o wand: the magick wand. 6530% 6531*/ 6532WandExport MagickBooleanType MagickMagnifyImage(MagickWand *wand) 6533{ 6534 Image 6535 *magnify_image; 6536 6537 assert(wand != (MagickWand *) NULL); 6538 assert(wand->signature == WandSignature); 6539 if( IfMagickTrue(wand->debug) ) 6540 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6541 6542 if (wand->images == (Image *) NULL) 6543 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6544 magnify_image=MagnifyImage(wand->images,wand->exception); 6545 if (magnify_image == (Image *) NULL) 6546 return(MagickFalse); 6547 ReplaceImageInList(&wand->images,magnify_image); 6548 return(MagickTrue); 6549} 6550 6551/* 6552%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6553% % 6554% % 6555% % 6556% M a g i c k M e r g e I m a g e L a y e r s % 6557% % 6558% % 6559% % 6560%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6561% 6562% MagickMergeImageLayers() composes all the image layers from the current 6563% given image onward to produce a single image of the merged layers. 6564% 6565% The inital canvas's size depends on the given ImageLayerMethod, and is 6566% initialized using the first images background color. The images 6567% are then compositied onto that image in sequence using the given 6568% composition that has been assigned to each individual image. 6569% 6570% The format of the MagickMergeImageLayers method is: 6571% 6572% MagickWand *MagickMergeImageLayers(MagickWand *wand, 6573% const ImageLayerMethod method) 6574% 6575% A description of each parameter follows: 6576% 6577% o wand: the magick wand. 6578% 6579% o method: the method of selecting the size of the initial canvas. 6580% 6581% MergeLayer: Merge all layers onto a canvas just large enough 6582% to hold all the actual images. The virtual canvas of the 6583% first image is preserved but otherwise ignored. 6584% 6585% FlattenLayer: Use the virtual canvas size of first image. 6586% Images which fall outside this canvas is clipped. 6587% This can be used to 'fill out' a given virtual canvas. 6588% 6589% MosaicLayer: Start with the virtual canvas of the first image, 6590% enlarging left and right edges to contain all images. 6591% Images with negative offsets will be clipped. 6592% 6593*/ 6594WandExport MagickWand *MagickMergeImageLayers(MagickWand *wand, 6595 const ImageLayerMethod method) 6596{ 6597 Image 6598 *mosaic_image; 6599 6600 assert(wand != (MagickWand *) NULL); 6601 assert(wand->signature == WandSignature); 6602 if( IfMagickTrue(wand->debug) ) 6603 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6604 6605 if (wand->images == (Image *) NULL) 6606 return((MagickWand *) NULL); 6607 mosaic_image=MergeImageLayers(wand->images,method,wand->exception); 6608 if (mosaic_image == (Image *) NULL) 6609 return((MagickWand *) NULL); 6610 return(CloneMagickWandFromImages(wand,mosaic_image)); 6611} 6612 6613/* 6614%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6615% % 6616% % 6617% % 6618% M a g i c k M i n i f y I m a g e % 6619% % 6620% % 6621% % 6622%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6623% 6624% MagickMinifyImage() is a convenience method that scales an image 6625% proportionally to one-half its original size 6626% 6627% The format of the MagickMinifyImage method is: 6628% 6629% MagickBooleanType MagickMinifyImage(MagickWand *wand) 6630% 6631% A description of each parameter follows: 6632% 6633% o wand: the magick wand. 6634% 6635*/ 6636WandExport MagickBooleanType MagickMinifyImage(MagickWand *wand) 6637{ 6638 Image 6639 *minify_image; 6640 6641 assert(wand != (MagickWand *) NULL); 6642 assert(wand->signature == WandSignature); 6643 if( IfMagickTrue(wand->debug) ) 6644 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6645 6646 if (wand->images == (Image *) NULL) 6647 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6648 minify_image=MinifyImage(wand->images,wand->exception); 6649 if (minify_image == (Image *) NULL) 6650 return(MagickFalse); 6651 ReplaceImageInList(&wand->images,minify_image); 6652 return(MagickTrue); 6653} 6654 6655/* 6656%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6657% % 6658% % 6659% % 6660% M a g i c k M o d u l a t e I m a g e % 6661% % 6662% % 6663% % 6664%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6665% 6666% MagickModulateImage() lets you control the brightness, saturation, and hue 6667% of an image. Hue is the percentage of absolute rotation from the current 6668% position. For example 50 results in a counter-clockwise rotation of 90 6669% degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 6670% both resulting in a rotation of 180 degrees. 6671% 6672% To increase the color brightness by 20% and decrease the color saturation by 6673% 10% and leave the hue unchanged, use: 120,90,100. 6674% 6675% The format of the MagickModulateImage method is: 6676% 6677% MagickBooleanType MagickModulateImage(MagickWand *wand, 6678% const double brightness,const double saturation,const double hue) 6679% 6680% A description of each parameter follows: 6681% 6682% o wand: the magick wand. 6683% 6684% o brightness: the percent change in brighness. 6685% 6686% o saturation: the percent change in saturation. 6687% 6688% o hue: the percent change in hue. 6689% 6690*/ 6691WandExport MagickBooleanType MagickModulateImage(MagickWand *wand, 6692 const double brightness,const double saturation,const double hue) 6693{ 6694 char 6695 modulate[MaxTextExtent]; 6696 6697 MagickBooleanType 6698 status; 6699 6700 assert(wand != (MagickWand *) NULL); 6701 assert(wand->signature == WandSignature); 6702 if( IfMagickTrue(wand->debug) ) 6703 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6704 6705 if (wand->images == (Image *) NULL) 6706 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6707 (void) FormatLocaleString(modulate,MaxTextExtent,"%g,%g,%g", 6708 brightness,saturation,hue); 6709 status=ModulateImage(wand->images,modulate,wand->exception); 6710 return(status); 6711} 6712 6713/* 6714%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6715% % 6716% % 6717% % 6718% M a g i c k M o n t a g e I m a g e % 6719% % 6720% % 6721% % 6722%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6723% 6724% MagickMontageImage() creates a composite image by combining several 6725% separate images. The images are tiled on the composite image with the name 6726% of the image optionally appearing just below the individual tile. 6727% 6728% The format of the MagickMontageImage method is: 6729% 6730% MagickWand *MagickMontageImage(MagickWand *wand, 6731% const DrawingWand drawing_wand,const char *tile_geometry, 6732% const char *thumbnail_geometry,const MontageMode mode, 6733% const char *frame) 6734% 6735% A description of each parameter follows: 6736% 6737% o wand: the magick wand. 6738% 6739% o drawing_wand: the drawing wand. The font name, size, and color are 6740% obtained from this wand. 6741% 6742% o tile_geometry: the number of tiles per row and page (e.g. 6x4+0+0). 6743% 6744% o thumbnail_geometry: Preferred image size and border size of each 6745% thumbnail (e.g. 120x120+4+3>). 6746% 6747% o mode: Thumbnail framing mode: Frame, Unframe, or Concatenate. 6748% 6749% o frame: Surround the image with an ornamental border (e.g. 15x15+3+3). 6750% The frame color is that of the thumbnail's matte color. 6751% 6752*/ 6753WandExport MagickWand *MagickMontageImage(MagickWand *wand, 6754 const DrawingWand *drawing_wand,const char *tile_geometry, 6755 const char *thumbnail_geometry,const MontageMode mode,const char *frame) 6756{ 6757 char 6758 *font; 6759 6760 Image 6761 *montage_image; 6762 6763 MontageInfo 6764 *montage_info; 6765 6766 PixelWand 6767 *pixel_wand; 6768 6769 assert(wand != (MagickWand *) NULL); 6770 assert(wand->signature == WandSignature); 6771 if( IfMagickTrue(wand->debug) ) 6772 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6773 6774 if (wand->images == (Image *) NULL) 6775 return((MagickWand *) NULL); 6776 montage_info=CloneMontageInfo(wand->image_info,(MontageInfo *) NULL); 6777 switch (mode) 6778 { 6779 case FrameMode: 6780 { 6781 (void) CloneString(&montage_info->frame,"15x15+3+3"); 6782 montage_info->shadow=MagickTrue; 6783 break; 6784 } 6785 case UnframeMode: 6786 { 6787 montage_info->frame=(char *) NULL; 6788 montage_info->shadow=MagickFalse; 6789 montage_info->border_width=0; 6790 break; 6791 } 6792 case ConcatenateMode: 6793 { 6794 montage_info->frame=(char *) NULL; 6795 montage_info->shadow=MagickFalse; 6796 (void) CloneString(&montage_info->geometry,"+0+0"); 6797 montage_info->border_width=0; 6798 break; 6799 } 6800 default: 6801 break; 6802 } 6803 font=DrawGetFont(drawing_wand); 6804 if (font != (char *) NULL) 6805 (void) CloneString(&montage_info->font,font); 6806 if (frame != (char *) NULL) 6807 (void) CloneString(&montage_info->frame,frame); 6808 montage_info->pointsize=DrawGetFontSize(drawing_wand); 6809 pixel_wand=NewPixelWand(); 6810 DrawGetFillColor(drawing_wand,pixel_wand); 6811 PixelGetQuantumPacket(pixel_wand,&montage_info->fill); 6812 DrawGetStrokeColor(drawing_wand,pixel_wand); 6813 PixelGetQuantumPacket(pixel_wand,&montage_info->stroke); 6814 pixel_wand=DestroyPixelWand(pixel_wand); 6815 if (thumbnail_geometry != (char *) NULL) 6816 (void) CloneString(&montage_info->geometry,thumbnail_geometry); 6817 if (tile_geometry != (char *) NULL) 6818 (void) CloneString(&montage_info->tile,tile_geometry); 6819 montage_image=MontageImageList(wand->image_info,montage_info,wand->images, 6820 wand->exception); 6821 montage_info=DestroyMontageInfo(montage_info); 6822 if (montage_image == (Image *) NULL) 6823 return((MagickWand *) NULL); 6824 return(CloneMagickWandFromImages(wand,montage_image)); 6825} 6826 6827/* 6828%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6829% % 6830% % 6831% % 6832% M a g i c k M o r p h I m a g e s % 6833% % 6834% % 6835% % 6836%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6837% 6838% MagickMorphImages() method morphs a set of images. Both the image pixels 6839% and size are linearly interpolated to give the appearance of a 6840% meta-morphosis from one image to the next. 6841% 6842% The format of the MagickMorphImages method is: 6843% 6844% MagickWand *MagickMorphImages(MagickWand *wand, 6845% const size_t number_frames) 6846% 6847% A description of each parameter follows: 6848% 6849% o wand: the magick wand. 6850% 6851% o number_frames: the number of in-between images to generate. 6852% 6853*/ 6854WandExport MagickWand *MagickMorphImages(MagickWand *wand, 6855 const size_t number_frames) 6856{ 6857 Image 6858 *morph_image; 6859 6860 assert(wand != (MagickWand *) NULL); 6861 assert(wand->signature == WandSignature); 6862 if( IfMagickTrue(wand->debug) ) 6863 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6864 6865 if (wand->images == (Image *) NULL) 6866 return((MagickWand *) NULL); 6867 morph_image=MorphImages(wand->images,number_frames,wand->exception); 6868 if (morph_image == (Image *) NULL) 6869 return((MagickWand *) NULL); 6870 return(CloneMagickWandFromImages(wand,morph_image)); 6871} 6872 6873/* 6874%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6875% % 6876% % 6877% % 6878% M a g i c k M o r p h o l o g y I m a g e % 6879% % 6880% % 6881% % 6882%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6883% 6884% MagickMorphologyImage() applies a user supplied kernel to the image 6885% according to the given mophology method. 6886% 6887% The format of the MagickMorphologyImage method is: 6888% 6889% MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6890% MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6891% 6892% A description of each parameter follows: 6893% 6894% o wand: the magick wand. 6895% 6896% o method: the morphology method to be applied. 6897% 6898% o iterations: apply the operation this many times (or no change). 6899% A value of -1 means loop until no change found. How this is applied 6900% may depend on the morphology method. Typically this is a value of 1. 6901% 6902% o kernel: An array of doubles representing the morphology kernel. 6903% 6904*/ 6905WandExport MagickBooleanType MagickMorphologyImage(MagickWand *wand, 6906 MorphologyMethod method,const ssize_t iterations,KernelInfo *kernel) 6907{ 6908 Image 6909 *morphology_image; 6910 6911 assert(wand != (MagickWand *) NULL); 6912 assert(wand->signature == WandSignature); 6913 if( IfMagickTrue(wand->debug) ) 6914 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6915 6916 if (kernel == (const KernelInfo *) NULL) 6917 return(MagickFalse); 6918 if (wand->images == (Image *) NULL) 6919 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6920 morphology_image=MorphologyImage(wand->images,method,iterations,kernel, 6921 wand->exception); 6922 if (morphology_image == (Image *) NULL) 6923 return(MagickFalse); 6924 ReplaceImageInList(&wand->images,morphology_image); 6925 return(MagickTrue); 6926} 6927 6928/* 6929%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6930% % 6931% % 6932% % 6933% M a g i c k M o t i o n B l u r I m a g e % 6934% % 6935% % 6936% % 6937%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6938% 6939% MagickMotionBlurImage() simulates motion blur. We convolve the image with a 6940% Gaussian operator of the given radius and standard deviation (sigma). 6941% For reasonable results, radius should be larger than sigma. Use a 6942% radius of 0 and MotionBlurImage() selects a suitable radius for you. 6943% Angle gives the angle of the blurring motion. 6944% 6945% The format of the MagickMotionBlurImage method is: 6946% 6947% MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6948% const double radius,const double sigma,const double angle) 6949% 6950% A description of each parameter follows: 6951% 6952% o wand: the magick wand. 6953% 6954% o radius: the radius of the Gaussian, in pixels, not counting 6955% the center pixel. 6956% 6957% o sigma: the standard deviation of the Gaussian, in pixels. 6958% 6959% o angle: Apply the effect along this angle. 6960% 6961*/ 6962WandExport MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 6963 const double radius,const double sigma,const double angle) 6964{ 6965 Image 6966 *blur_image; 6967 6968 assert(wand != (MagickWand *) NULL); 6969 assert(wand->signature == WandSignature); 6970 if( IfMagickTrue(wand->debug) ) 6971 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 6972 6973 if (wand->images == (Image *) NULL) 6974 ThrowWandException(WandError,"ContainsNoImages",wand->name); 6975 blur_image=MotionBlurImage(wand->images,radius,sigma,angle,wand->exception); 6976 if (blur_image == (Image *) NULL) 6977 return(MagickFalse); 6978 ReplaceImageInList(&wand->images,blur_image); 6979 return(MagickTrue); 6980} 6981 6982/* 6983%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6984% % 6985% % 6986% % 6987% M a g i c k N e g a t e I m a g e % 6988% % 6989% % 6990% % 6991%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6992% 6993% MagickNegateImage() negates the colors in the reference image. The 6994% Grayscale option means that only grayscale values within the image are 6995% negated. 6996% 6997% You can also reduce the influence of a particular channel with a gamma 6998% value of 0. 6999% 7000% The format of the MagickNegateImage method is: 7001% 7002% MagickBooleanType MagickNegateImage(MagickWand *wand, 7003% const MagickBooleanType gray) 7004% 7005% A description of each parameter follows: 7006% 7007% o wand: the magick wand. 7008% 7009% o gray: If MagickTrue, only negate grayscale pixels within the image. 7010% 7011*/ 7012WandExport MagickBooleanType MagickNegateImage(MagickWand *wand, 7013 const MagickBooleanType gray) 7014{ 7015 MagickBooleanType 7016 status; 7017 7018 assert(wand != (MagickWand *) NULL); 7019 assert(wand->signature == WandSignature); 7020 if( IfMagickTrue(wand->debug) ) 7021 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7022 7023 if (wand->images == (Image *) NULL) 7024 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7025 status=NegateImage(wand->images,gray,wand->exception); 7026 return(status); 7027} 7028 7029/* 7030%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7031% % 7032% % 7033% % 7034% M a g i c k N e w I m a g e % 7035% % 7036% % 7037% % 7038%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7039% 7040% MagickNewImage() adds a blank image canvas of the specified size and 7041% background color to the wand. 7042% 7043% The format of the MagickNewImage method is: 7044% 7045% MagickBooleanType MagickNewImage(MagickWand *wand, 7046% const size_t columns,const size_t rows, 7047% const PixelWand *background) 7048% 7049% A description of each parameter follows: 7050% 7051% o wand: the magick wand. 7052% 7053% o width: the image width. 7054% 7055% o height: the image height. 7056% 7057% o background: the image color. 7058% 7059*/ 7060WandExport MagickBooleanType MagickNewImage(MagickWand *wand,const size_t width, 7061 const size_t height,const PixelWand *background) 7062{ 7063 Image 7064 *images; 7065 7066 PixelInfo 7067 pixel; 7068 7069 assert(wand != (MagickWand *) NULL); 7070 assert(wand->signature == WandSignature); 7071 if( IfMagickTrue(wand->debug) ) 7072 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7073 7074 PixelGetMagickColor(background,&pixel); 7075 images=NewMagickImage(wand->image_info,width,height,&pixel,wand->exception); 7076 if (images == (Image *) NULL) 7077 return(MagickFalse); 7078 return(InsertImageInWand(wand,images)); 7079} 7080 7081/* 7082%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7083% % 7084% % 7085% % 7086% M a g i c k N e x t I m a g e % 7087% % 7088% % 7089% % 7090%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7091% 7092% MagickNextImage() sets the next image in the wand as the current image. 7093% 7094% It is typically used after MagickResetIterator(), after which its first use 7095% will set the first image as the current image (unless the wand is empty). 7096% 7097% It will return MagickFalse when no more images are left to be returned 7098% which happens when the wand is empty, or the current image is the last 7099% image. 7100% 7101% When the above condition (end of image list) is reached, the iterator is 7102% automaticall set so that you can start using MagickPreviousImage() to 7103% again iterate over the images in the reverse direction, starting with the 7104% last image (again). You can jump to this condition immeditally using 7105% MagickSetLastIterator(). 7106% 7107% The format of the MagickNextImage method is: 7108% 7109% MagickBooleanType MagickNextImage(MagickWand *wand) 7110% 7111% A description of each parameter follows: 7112% 7113% o wand: the magick wand. 7114% 7115*/ 7116WandExport MagickBooleanType MagickNextImage(MagickWand *wand) 7117{ 7118 assert(wand != (MagickWand *) NULL); 7119 assert(wand->signature == WandSignature); 7120 if( IfMagickTrue(wand->debug) ) 7121 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7122 7123 if (wand->images == (Image *) NULL) 7124 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7125 wand->insert_before=MagickFalse; /* Inserts is now appended */ 7126 if( IfMagickTrue(wand->image_pending) ) 7127 { 7128 wand->image_pending=MagickFalse; 7129 return(MagickTrue); 7130 } 7131 if (GetNextImageInList(wand->images) == (Image *) NULL) 7132 { 7133 wand->image_pending=MagickTrue; /* No image, PreviousImage re-gets */ 7134 return(MagickFalse); 7135 } 7136 wand->images=GetNextImageInList(wand->images); 7137 return(MagickTrue); 7138} 7139 7140/* 7141%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7142% % 7143% % 7144% % 7145% M a g i c k N o r m a l i z e I m a g e % 7146% % 7147% % 7148% % 7149%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7150% 7151% MagickNormalizeImage() enhances the contrast of a color image by adjusting 7152% the pixels color to span the entire range of colors available 7153% 7154% You can also reduce the influence of a particular channel with a gamma 7155% value of 0. 7156% 7157% The format of the MagickNormalizeImage method is: 7158% 7159% MagickBooleanType MagickNormalizeImage(MagickWand *wand) 7160% 7161% A description of each parameter follows: 7162% 7163% o wand: the magick wand. 7164% 7165*/ 7166WandExport MagickBooleanType MagickNormalizeImage(MagickWand *wand) 7167{ 7168 MagickBooleanType 7169 status; 7170 7171 assert(wand != (MagickWand *) NULL); 7172 assert(wand->signature == WandSignature); 7173 if( IfMagickTrue(wand->debug) ) 7174 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7175 7176 if (wand->images == (Image *) NULL) 7177 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7178 status=NormalizeImage(wand->images,wand->exception); 7179 return(status); 7180} 7181 7182/* 7183%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7184% % 7185% % 7186% % 7187% M a g i c k O i l P a i n t I m a g e % 7188% % 7189% % 7190% % 7191%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7192% 7193% MagickOilPaintImage() applies a special effect filter that simulates an oil 7194% painting. Each pixel is replaced by the most frequent color occurring 7195% in a circular region defined by radius. 7196% 7197% The format of the MagickOilPaintImage method is: 7198% 7199% MagickBooleanType MagickOilPaintImage(MagickWand *wand, 7200% const double radius,const double sigma) 7201% 7202% A description of each parameter follows: 7203% 7204% o wand: the magick wand. 7205% 7206% o radius: the radius of the circular neighborhood. 7207% 7208% o sigma: the standard deviation of the Gaussian, in pixels. 7209% 7210*/ 7211WandExport MagickBooleanType MagickOilPaintImage(MagickWand *wand, 7212 const double radius,const double sigma) 7213{ 7214 Image 7215 *paint_image; 7216 7217 assert(wand != (MagickWand *) NULL); 7218 assert(wand->signature == WandSignature); 7219 if( IfMagickTrue(wand->debug) ) 7220 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7221 7222 if (wand->images == (Image *) NULL) 7223 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7224 paint_image=OilPaintImage(wand->images,radius,sigma,wand->exception); 7225 if (paint_image == (Image *) NULL) 7226 return(MagickFalse); 7227 ReplaceImageInList(&wand->images,paint_image); 7228 return(MagickTrue); 7229} 7230 7231/* 7232%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7233% % 7234% % 7235% % 7236% M a g i c k O p a q u e P a i n t I m a g e % 7237% % 7238% % 7239% % 7240%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7241% 7242% MagickOpaquePaintImage() changes any pixel that matches color with the color 7243% defined by fill. 7244% 7245% The format of the MagickOpaquePaintImage method is: 7246% 7247% MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 7248% const PixelWand *target,const PixelWand *fill,const double fuzz, 7249% const MagickBooleanType invert) 7250% 7251% A description of each parameter follows: 7252% 7253% o wand: the magick wand. 7254% 7255% o target: Change this target color to the fill color within the image. 7256% 7257% o fill: the fill pixel wand. 7258% 7259% o fuzz: By default target must match a particular pixel color 7260% exactly. However, in many cases two colors may differ by a small amount. 7261% The fuzz member of image defines how much tolerance is acceptable to 7262% consider two colors as the same. For example, set fuzz to 10 and the 7263% color red at intensities of 100 and 102 respectively are now interpreted 7264% as the same color for the purposes of the floodfill. 7265% 7266% o invert: paint any pixel that does not match the target color. 7267% 7268*/ 7269WandExport MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 7270 const PixelWand *target,const PixelWand *fill,const double fuzz, 7271 const MagickBooleanType invert) 7272{ 7273 MagickBooleanType 7274 status; 7275 7276 PixelInfo 7277 fill_pixel, 7278 target_pixel; 7279 7280 assert(wand != (MagickWand *) NULL); 7281 assert(wand->signature == WandSignature); 7282 if( IfMagickTrue(wand->debug) ) 7283 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7284 7285 if (wand->images == (Image *) NULL) 7286 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7287 PixelGetMagickColor(target,&target_pixel); 7288 PixelGetMagickColor(fill,&fill_pixel); 7289 wand->images->fuzz=fuzz; 7290 status=OpaquePaintImage(wand->images,&target_pixel,&fill_pixel,invert, 7291 wand->exception); 7292 return(status); 7293} 7294 7295/* 7296%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7297% % 7298% % 7299% % 7300% 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 % 7301% % 7302% % 7303% % 7304%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7305% 7306% MagickOptimizeImageLayers() compares each image the GIF disposed forms of the 7307% previous image in the sequence. From this it attempts to select the 7308% smallest cropped image to replace each frame, while preserving the results 7309% of the animation. 7310% 7311% The format of the MagickOptimizeImageLayers method is: 7312% 7313% MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 7314% 7315% A description of each parameter follows: 7316% 7317% o wand: the magick wand. 7318% 7319*/ 7320WandExport MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 7321{ 7322 Image 7323 *optimize_image; 7324 7325 assert(wand != (MagickWand *) NULL); 7326 assert(wand->signature == WandSignature); 7327 if( IfMagickTrue(wand->debug) ) 7328 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7329 7330 if (wand->images == (Image *) NULL) 7331 return((MagickWand *) NULL); 7332 optimize_image=OptimizeImageLayers(wand->images,wand->exception); 7333 if (optimize_image == (Image *) NULL) 7334 return((MagickWand *) NULL); 7335 return(CloneMagickWandFromImages(wand,optimize_image)); 7336} 7337 7338/* 7339%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7340% % 7341% % 7342% % 7343% M a g i c k O p t i m i z e I m a g e T r a n s p a r e n c y % 7344% % 7345% % 7346% % 7347%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7348% 7349% MagickOptimizeImageTransparency() takes a frame optimized GIF animation, and 7350% compares the overlayed pixels against the disposal image resulting from all 7351% the previous frames in the animation. Any pixel that does not change the 7352% disposal image (and thus does not effect the outcome of an overlay) is made 7353% transparent. 7354% 7355% WARNING: This modifies the current images directly, rather than generate 7356% a new image sequence. 7357% The format of the MagickOptimizeImageTransparency method is: 7358% 7359% MagickBooleanType MagickOptimizeImageTransparency(MagickWand *wand) 7360% 7361% A description of each parameter follows: 7362% 7363% o wand: the magick wand. 7364% 7365*/ 7366WandExport MagickBooleanType MagickOptimizeImageTransparency(MagickWand *wand) 7367{ 7368 assert(wand != (MagickWand *) NULL); 7369 assert(wand->signature == WandSignature); 7370 if( IfMagickTrue(wand->debug) ) 7371 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7372 if (wand->images == (Image *) NULL) 7373 return(MagickFalse); 7374 OptimizeImageTransparency(wand->images,wand->exception); 7375 return(MagickTrue); 7376} 7377 7378/* 7379%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7380% % 7381% % 7382% % 7383% 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 % 7384% % 7385% % 7386% % 7387%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7388% 7389% MagickOrderedPosterizeImage() performs an ordered dither based on a number 7390% of pre-defined dithering threshold maps, but over multiple intensity levels, 7391% which can be different for different channels, according to the input 7392% arguments. 7393% 7394% The format of the MagickOrderedPosterizeImage method is: 7395% 7396% MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 7397% const char *threshold_map) 7398% 7399% A description of each parameter follows: 7400% 7401% o image: the image. 7402% 7403% o threshold_map: A string containing the name of the threshold dither 7404% map to use, followed by zero or more numbers representing the number of 7405% color levels tho dither between. 7406% 7407% Any level number less than 2 is equivalent to 2, and means only binary 7408% dithering will be applied to each color channel. 7409% 7410% No numbers also means a 2 level (bitmap) dither will be applied to all 7411% channels, while a single number is the number of levels applied to each 7412% channel in sequence. More numbers will be applied in turn to each of 7413% the color channels. 7414% 7415% For example: "o3x3,6" generates a 6 level posterization of the image 7416% with a ordered 3x3 diffused pixel dither being applied between each 7417% level. While checker,8,8,4 will produce a 332 colormaped image with 7418% only a single checkerboard hash pattern (50% grey) between each color 7419% level, to basically double the number of color levels with a bare 7420% minimim of dithering. 7421% 7422*/ 7423WandExport MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, 7424 const char *threshold_map) 7425{ 7426 MagickBooleanType 7427 status; 7428 7429 assert(wand != (MagickWand *) NULL); 7430 assert(wand->signature == WandSignature); 7431 if( IfMagickTrue(wand->debug) ) 7432 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7433 7434 if (wand->images == (Image *) NULL) 7435 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7436 status=OrderedPosterizeImage(wand->images,threshold_map,wand->exception); 7437 return(status); 7438} 7439 7440/* 7441%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7442% % 7443% % 7444% % 7445% M a g i c k P i n g I m a g e % 7446% % 7447% % 7448% % 7449%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7450% 7451% MagickPingImage() is the same as MagickReadImage() except the only valid 7452% information returned is the image width, height, size, and format. It 7453% is designed to efficiently obtain this information from a file without 7454% reading the entire image sequence into memory. 7455% 7456% The format of the MagickPingImage method is: 7457% 7458% MagickBooleanType MagickPingImage(MagickWand *wand,const char *filename) 7459% 7460% A description of each parameter follows: 7461% 7462% o wand: the magick wand. 7463% 7464% o filename: the image filename. 7465% 7466*/ 7467WandExport MagickBooleanType MagickPingImage(MagickWand *wand, 7468 const char *filename) 7469{ 7470 Image 7471 *images; 7472 7473 ImageInfo 7474 *ping_info; 7475 7476 assert(wand != (MagickWand *) NULL); 7477 assert(wand->signature == WandSignature); 7478 if( IfMagickTrue(wand->debug) ) 7479 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7480 7481 ping_info=CloneImageInfo(wand->image_info); 7482 if (filename != (const char *) NULL) 7483 (void) CopyMagickString(ping_info->filename,filename,MaxTextExtent); 7484 images=PingImage(ping_info,wand->exception); 7485 ping_info=DestroyImageInfo(ping_info); 7486 if (images == (Image *) NULL) 7487 return(MagickFalse); 7488 return(InsertImageInWand(wand,images)); 7489} 7490 7491/* 7492%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7493% % 7494% % 7495% % 7496% M a g i c k P i n g I m a g e B l o b % 7497% % 7498% % 7499% % 7500%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7501% 7502% MagickPingImageBlob() pings an image or image sequence from a blob. 7503% 7504% The format of the MagickPingImageBlob method is: 7505% 7506% MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7507% const void *blob,const size_t length) 7508% 7509% A description of each parameter follows: 7510% 7511% o wand: the magick wand. 7512% 7513% o blob: the blob. 7514% 7515% o length: the blob length. 7516% 7517*/ 7518WandExport MagickBooleanType MagickPingImageBlob(MagickWand *wand, 7519 const void *blob,const size_t length) 7520{ 7521 Image 7522 *images; 7523 7524 ImageInfo 7525 *read_info; 7526 7527 assert(wand != (MagickWand *) NULL); 7528 assert(wand->signature == WandSignature); 7529 if( IfMagickTrue(wand->debug) ) 7530 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7531 7532 read_info=CloneImageInfo(wand->image_info); 7533 SetImageInfoBlob(read_info,blob,length); 7534 images=PingImage(read_info,wand->exception); 7535 read_info=DestroyImageInfo(read_info); 7536 if (images == (Image *) NULL) 7537 return(MagickFalse); 7538 return(InsertImageInWand(wand,images)); 7539} 7540 7541/* 7542%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7543% % 7544% % 7545% % 7546% M a g i c k P i n g I m a g e F i l e % 7547% % 7548% % 7549% % 7550%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7551% 7552% MagickPingImageFile() pings an image or image sequence from an open file 7553% descriptor. 7554% 7555% The format of the MagickPingImageFile method is: 7556% 7557% MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7558% 7559% A description of each parameter follows: 7560% 7561% o wand: the magick wand. 7562% 7563% o file: the file descriptor. 7564% 7565*/ 7566WandExport MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 7567{ 7568 Image 7569 *images; 7570 7571 ImageInfo 7572 *read_info; 7573 7574 assert(wand != (MagickWand *) NULL); 7575 assert(wand->signature == WandSignature); 7576 assert(file != (FILE *) NULL); 7577 if( IfMagickTrue(wand->debug) ) 7578 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7579 7580 read_info=CloneImageInfo(wand->image_info); 7581 SetImageInfoFile(read_info,file); 7582 images=PingImage(read_info,wand->exception); 7583 read_info=DestroyImageInfo(read_info); 7584 if (images == (Image *) NULL) 7585 return(MagickFalse); 7586 return(InsertImageInWand(wand,images)); 7587} 7588 7589/* 7590%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7591% % 7592% % 7593% % 7594% M a g i c k P o l a r o i d I m a g e % 7595% % 7596% % 7597% % 7598%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7599% 7600% MagickPolaroidImage() simulates a Polaroid picture. 7601% 7602% The format of the MagickPolaroidImage method is: 7603% 7604% MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7605% const DrawingWand *drawing_wand,const char *caption,const double angle, 7606% const PixelInterpolateMethod method) 7607% 7608% A description of each parameter follows: 7609% 7610% o wand: the magick wand. 7611% 7612% o drawing_wand: the draw wand. 7613% 7614% o caption: the Polaroid caption. 7615% 7616% o angle: Apply the effect along this angle. 7617% 7618% o method: the pixel interpolation method. 7619% 7620*/ 7621WandExport MagickBooleanType MagickPolaroidImage(MagickWand *wand, 7622 const DrawingWand *drawing_wand,const char *caption,const double angle, 7623 const PixelInterpolateMethod method) 7624{ 7625 DrawInfo 7626 *draw_info; 7627 7628 Image 7629 *polaroid_image; 7630 7631 assert(wand != (MagickWand *) NULL); 7632 assert(wand->signature == WandSignature); 7633 if( IfMagickTrue(wand->debug) ) 7634 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7635 7636 if (wand->images == (Image *) NULL) 7637 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7638 draw_info=PeekDrawingWand(drawing_wand); 7639 if (draw_info == (DrawInfo *) NULL) 7640 return(MagickFalse); 7641 polaroid_image=PolaroidImage(wand->images,draw_info,caption,angle,method, 7642 wand->exception); 7643 if (polaroid_image == (Image *) NULL) 7644 return(MagickFalse); 7645 ReplaceImageInList(&wand->images,polaroid_image); 7646 return(MagickTrue); 7647} 7648 7649/* 7650%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7651% % 7652% % 7653% % 7654% M a g i c k P o s t e r i z e I m a g e % 7655% % 7656% % 7657% % 7658%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7659% 7660% MagickPosterizeImage() reduces the image to a limited number of color level. 7661% 7662% The format of the MagickPosterizeImage method is: 7663% 7664% MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7665% const size_t levels,const DitherMethod method) 7666% 7667% A description of each parameter follows: 7668% 7669% o wand: the magick wand. 7670% 7671% o levels: Number of color levels allowed in each channel. Very low values 7672% (2, 3, or 4) have the most visible effect. 7673% 7674% o method: choose the dither method: UndefinedDitherMethod, 7675% NoDitherMethod, RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7676% 7677*/ 7678WandExport MagickBooleanType MagickPosterizeImage(MagickWand *wand, 7679 const size_t levels,const DitherMethod dither) 7680{ 7681 MagickBooleanType 7682 status; 7683 7684 assert(wand != (MagickWand *) NULL); 7685 assert(wand->signature == WandSignature); 7686 if( IfMagickTrue(wand->debug) ) 7687 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7688 7689 if (wand->images == (Image *) NULL) 7690 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7691 status=PosterizeImage(wand->images,levels,dither,wand->exception); 7692 return(status); 7693} 7694 7695/* 7696%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7697% % 7698% % 7699% % 7700% M a g i c k P r e v i e w I m a g e s % 7701% % 7702% % 7703% % 7704%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7705% 7706% MagickPreviewImages() tiles 9 thumbnails of the specified image with an 7707% image processing operation applied at varying strengths. This helpful 7708% to quickly pin-point an appropriate parameter for an image processing 7709% operation. 7710% 7711% The format of the MagickPreviewImages method is: 7712% 7713% MagickWand *MagickPreviewImages(MagickWand *wand, 7714% const PreviewType preview) 7715% 7716% A description of each parameter follows: 7717% 7718% o wand: the magick wand. 7719% 7720% o preview: the preview type. 7721% 7722*/ 7723WandExport MagickWand *MagickPreviewImages(MagickWand *wand, 7724 const PreviewType preview) 7725{ 7726 Image 7727 *preview_image; 7728 7729 assert(wand != (MagickWand *) NULL); 7730 assert(wand->signature == WandSignature); 7731 if( IfMagickTrue(wand->debug) ) 7732 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7733 7734 if (wand->images == (Image *) NULL) 7735 return((MagickWand *) NULL); 7736 preview_image=PreviewImage(wand->images,preview,wand->exception); 7737 if (preview_image == (Image *) NULL) 7738 return((MagickWand *) NULL); 7739 return(CloneMagickWandFromImages(wand,preview_image)); 7740} 7741 7742/* 7743%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7744% % 7745% % 7746% % 7747% M a g i c k P r e v i o u s I m a g e % 7748% % 7749% % 7750% % 7751%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7752% 7753% MagickPreviousImage() sets the previous image in the wand as the current 7754% image. 7755% 7756% It is typically used after MagickSetLastIterator(), after which its first 7757% use will set the last image as the current image (unless the wand is empty). 7758% 7759% It will return MagickFalse when no more images are left to be returned 7760% which happens when the wand is empty, or the current image is the first 7761% image. At that point the iterator is than reset to again process images in 7762% the forward direction, again starting with the first image in list. Images 7763% added at this point are prepended. 7764% 7765% Also at that point any images added to the wand using MagickAddImages() or 7766% MagickReadImages() will be prepended before the first image. In this sense 7767% the condition is not quite exactly the same as MagickResetIterator(). 7768% 7769% The format of the MagickPreviousImage method is: 7770% 7771% MagickBooleanType MagickPreviousImage(MagickWand *wand) 7772% 7773% A description of each parameter follows: 7774% 7775% o wand: the magick wand. 7776% 7777*/ 7778WandExport MagickBooleanType MagickPreviousImage(MagickWand *wand) 7779{ 7780 assert(wand != (MagickWand *) NULL); 7781 assert(wand->signature == WandSignature); 7782 if( IfMagickTrue(wand->debug) ) 7783 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7784 7785 if (wand->images == (Image *) NULL) 7786 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7787 7788 if( IfMagickTrue(wand->image_pending) ) 7789 { 7790 wand->image_pending=MagickFalse; /* image returned no longer pending */ 7791 return(MagickTrue); 7792 } 7793 if (GetPreviousImageInList(wand->images) == (Image *) NULL) 7794 { 7795 wand->image_pending=MagickTrue; /* Next now re-gets first image */ 7796 wand->insert_before=MagickTrue; /* insert/add prepends new images */ 7797 return(MagickFalse); 7798 } 7799 wand->images=GetPreviousImageInList(wand->images); 7800 return(MagickTrue); 7801} 7802 7803/* 7804%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7805% % 7806% % 7807% % 7808% M a g i c k Q u a n t i z e I m a g e % 7809% % 7810% % 7811% % 7812%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7813% 7814% MagickQuantizeImage() analyzes the colors within a reference image and 7815% chooses a fixed number of colors to represent the image. The goal of the 7816% algorithm is to minimize the color difference between the input and output 7817% image while minimizing the processing time. 7818% 7819% The format of the MagickQuantizeImage method is: 7820% 7821% MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7822% const size_t number_colors,const ColorspaceType colorspace, 7823% const size_t treedepth,const DitherMethod dither_method, 7824% const MagickBooleanType measure_error) 7825% 7826% A description of each parameter follows: 7827% 7828% o wand: the magick wand. 7829% 7830% o number_colors: the number of colors. 7831% 7832% o colorspace: Perform color reduction in this colorspace, typically 7833% RGBColorspace. 7834% 7835% o treedepth: Normally, this integer value is zero or one. A zero or 7836% 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 7837% reference image with the least amount of memory and the fastest 7838% computational speed. In some cases, such as an image with low color 7839% dispersion (a few number of colors), a value other than 7840% Log4(number_colors) is required. To expand the color tree completely, 7841% use a value of 8. 7842% 7843% o dither_method: choose from UndefinedDitherMethod, NoDitherMethod, 7844% RiemersmaDitherMethod, FloydSteinbergDitherMethod. 7845% 7846% o measure_error: A value other than zero measures the difference between 7847% the original and quantized images. This difference is the total 7848% quantization error. The error is computed by summing over all pixels 7849% in an image the distance squared in RGB space between each reference 7850% pixel value and its quantized value. 7851% 7852*/ 7853WandExport MagickBooleanType MagickQuantizeImage(MagickWand *wand, 7854 const size_t number_colors,const ColorspaceType colorspace, 7855 const size_t treedepth,const DitherMethod dither_method, 7856 const MagickBooleanType measure_error) 7857{ 7858 MagickBooleanType 7859 status; 7860 7861 QuantizeInfo 7862 *quantize_info; 7863 7864 assert(wand != (MagickWand *) NULL); 7865 assert(wand->signature == WandSignature); 7866 if( IfMagickTrue(wand->debug) ) 7867 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7868 7869 if (wand->images == (Image *) NULL) 7870 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7871 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7872 quantize_info->number_colors=number_colors; 7873 quantize_info->dither_method=dither_method; 7874 quantize_info->tree_depth=treedepth; 7875 quantize_info->colorspace=colorspace; 7876 quantize_info->measure_error=measure_error; 7877 status=QuantizeImage(quantize_info,wand->images,wand->exception); 7878 quantize_info=DestroyQuantizeInfo(quantize_info); 7879 return(status); 7880} 7881 7882/* 7883%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7884% % 7885% % 7886% % 7887% M a g i c k Q u a n t i z e I m a g e s % 7888% % 7889% % 7890% % 7891%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7892% 7893% MagickQuantizeImages() analyzes the colors within a sequence of images and 7894% chooses a fixed number of colors to represent the image. The goal of the 7895% algorithm is to minimize the color difference between the input and output 7896% image while minimizing the processing time. 7897% 7898% The format of the MagickQuantizeImages method is: 7899% 7900% MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7901% const size_t number_colors,const ColorspaceType colorspace, 7902% const size_t treedepth,const DitherMethod dither_method, 7903% const MagickBooleanType measure_error) 7904% 7905% A description of each parameter follows: 7906% 7907% o wand: the magick wand. 7908% 7909% o number_colors: the number of colors. 7910% 7911% o colorspace: Perform color reduction in this colorspace, typically 7912% RGBColorspace. 7913% 7914% o treedepth: Normally, this integer value is zero or one. A zero or 7915% 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 7916% reference image with the least amount of memory and the fastest 7917% computational speed. In some cases, such as an image with low color 7918% dispersion (a few number of colors), a value other than 7919% Log4(number_colors) is required. To expand the color tree completely, 7920% use a value of 8. 7921% 7922% o dither_method: choose from these dither methods: NoDitherMethod, 7923% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 7924% 7925% o measure_error: A value other than zero measures the difference between 7926% the original and quantized images. This difference is the total 7927% quantization error. The error is computed by summing over all pixels 7928% in an image the distance squared in RGB space between each reference 7929% pixel value and its quantized value. 7930% 7931*/ 7932WandExport MagickBooleanType MagickQuantizeImages(MagickWand *wand, 7933 const size_t number_colors,const ColorspaceType colorspace, 7934 const size_t treedepth,const DitherMethod dither_method, 7935 const MagickBooleanType measure_error) 7936{ 7937 MagickBooleanType 7938 status; 7939 7940 QuantizeInfo 7941 *quantize_info; 7942 7943 assert(wand != (MagickWand *) NULL); 7944 assert(wand->signature == WandSignature); 7945 if( IfMagickTrue(wand->debug) ) 7946 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7947 7948 if (wand->images == (Image *) NULL) 7949 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7950 quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); 7951 quantize_info->number_colors=number_colors; 7952 quantize_info->dither_method=dither_method; 7953 quantize_info->tree_depth=treedepth; 7954 quantize_info->colorspace=colorspace; 7955 quantize_info->measure_error=measure_error; 7956 status=QuantizeImages(quantize_info,wand->images,wand->exception); 7957 quantize_info=DestroyQuantizeInfo(quantize_info); 7958 return(status); 7959} 7960 7961/* 7962%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7963% % 7964% % 7965% % 7966% M a g i c k R a d i a l B l u r I m a g e % 7967% % 7968% % 7969% % 7970%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7971% 7972% MagickRadialBlurImage() radial blurs an image. 7973% 7974% The format of the MagickRadialBlurImage method is: 7975% 7976% MagickBooleanType MagickRadialBlurImage(MagickWand *wand, 7977% const double angle) 7978% 7979% A description of each parameter follows: 7980% 7981% o wand: the magick wand. 7982% 7983% o angle: the angle of the blur in degrees. 7984% 7985*/ 7986WandExport MagickBooleanType MagickRadialBlurImage(MagickWand *wand, 7987 const double angle) 7988{ 7989 Image 7990 *blur_image; 7991 7992 assert(wand != (MagickWand *) NULL); 7993 assert(wand->signature == WandSignature); 7994 if( IfMagickTrue(wand->debug) ) 7995 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 7996 7997 if (wand->images == (Image *) NULL) 7998 ThrowWandException(WandError,"ContainsNoImages",wand->name); 7999 blur_image=RadialBlurImage(wand->images,angle,wand->exception); 8000 if (blur_image == (Image *) NULL) 8001 return(MagickFalse); 8002 ReplaceImageInList(&wand->images,blur_image); 8003 return(MagickTrue); 8004} 8005 8006/* 8007%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8008% % 8009% % 8010% % 8011% M a g i c k R a i s e I m a g e % 8012% % 8013% % 8014% % 8015%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8016% 8017% MagickRaiseImage() creates a simulated three-dimensional button-like effect 8018% by lightening and darkening the edges of the image. Members width and 8019% height of raise_info define the width of the vertical and horizontal 8020% edge of the effect. 8021% 8022% The format of the MagickRaiseImage method is: 8023% 8024% MagickBooleanType MagickRaiseImage(MagickWand *wand, 8025% const size_t width,const size_t height,const ssize_t x, 8026% const ssize_t y,const MagickBooleanType raise) 8027% 8028% A description of each parameter follows: 8029% 8030% o wand: the magick wand. 8031% 8032% o width,height,x,y: Define the dimensions of the area to raise. 8033% 8034% o raise: A value other than zero creates a 3-D raise effect, 8035% otherwise it has a lowered effect. 8036% 8037*/ 8038WandExport MagickBooleanType MagickRaiseImage(MagickWand *wand, 8039 const size_t width,const size_t height,const ssize_t x, 8040 const ssize_t y,const MagickBooleanType raise) 8041{ 8042 MagickBooleanType 8043 status; 8044 8045 RectangleInfo 8046 raise_info; 8047 8048 assert(wand != (MagickWand *) NULL); 8049 assert(wand->signature == WandSignature); 8050 if( IfMagickTrue(wand->debug) ) 8051 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8052 8053 if (wand->images == (Image *) NULL) 8054 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8055 raise_info.width=width; 8056 raise_info.height=height; 8057 raise_info.x=x; 8058 raise_info.y=y; 8059 status=RaiseImage(wand->images,&raise_info,raise,wand->exception); 8060 return(status); 8061} 8062 8063/* 8064%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8065% % 8066% % 8067% % 8068% 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 % 8069% % 8070% % 8071% % 8072%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8073% 8074% MagickRandomThresholdImage() changes the value of individual pixels based on 8075% the intensity of each pixel compared to threshold. The result is a 8076% high-contrast, two color image. 8077% 8078% The format of the MagickRandomThresholdImage method is: 8079% 8080% MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 8081% const double low,const double high) 8082% 8083% A description of each parameter follows: 8084% 8085% o wand: the magick wand. 8086% 8087% o low,high: Specify the high and low thresholds. These values range from 8088% 0 to QuantumRange. 8089% 8090*/ 8091WandExport MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 8092 const double low,const double high) 8093{ 8094 char 8095 threshold[MaxTextExtent]; 8096 8097 assert(wand != (MagickWand *) NULL); 8098 assert(wand->signature == WandSignature); 8099 if( IfMagickTrue(wand->debug) ) 8100 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8101 8102 if (wand->images == (Image *) NULL) 8103 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8104 (void) FormatLocaleString(threshold,MaxTextExtent,"%gx%g",low,high); 8105 return(RandomThresholdImage(wand->images,threshold,wand->exception)); 8106} 8107 8108/* 8109%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8110% % 8111% % 8112% % 8113% M a g i c k R e a d I m a g e % 8114% % 8115% % 8116% % 8117%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8118% 8119% MagickReadImage() reads an image or image sequence. The images are inserted 8120% jjust before the current image pointer position. 8121% 8122% Use MagickSetFirstIterator(), to insert new images before all the current 8123% images in the wand, MagickSetLastIterator() to append add to the end, 8124% MagickSetImageIndex() to place images just after the given index. 8125% 8126% The format of the MagickReadImage method is: 8127% 8128% MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename) 8129% 8130% A description of each parameter follows: 8131% 8132% o wand: the magick wand. 8133% 8134% o filename: the image filename. 8135% 8136*/ 8137WandExport MagickBooleanType MagickReadImage(MagickWand *wand, 8138 const char *filename) 8139{ 8140 Image 8141 *images; 8142 8143 ImageInfo 8144 *read_info; 8145 8146 assert(wand != (MagickWand *) NULL); 8147 assert(wand->signature == WandSignature); 8148 if( IfMagickTrue(wand->debug) ) 8149 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8150 8151 read_info=CloneImageInfo(wand->image_info); 8152 if (filename != (const char *) NULL) 8153 (void) CopyMagickString(read_info->filename,filename,MaxTextExtent); 8154 images=ReadImage(read_info,wand->exception); 8155 read_info=DestroyImageInfo(read_info); 8156 if (images == (Image *) NULL) 8157 return(MagickFalse); 8158 return(InsertImageInWand(wand,images)); 8159} 8160 8161/* 8162%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8163% % 8164% % 8165% % 8166% M a g i c k R e a d I m a g e B l o b % 8167% % 8168% % 8169% % 8170%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8171% 8172% MagickReadImageBlob() reads an image or image sequence from a blob. 8173% In all other respects it is like MagickReadImage(). 8174% 8175% The format of the MagickReadImageBlob method is: 8176% 8177% MagickBooleanType MagickReadImageBlob(MagickWand *wand, 8178% const void *blob,const size_t length) 8179% 8180% A description of each parameter follows: 8181% 8182% o wand: the magick wand. 8183% 8184% o blob: the blob. 8185% 8186% o length: the blob length. 8187% 8188*/ 8189WandExport MagickBooleanType MagickReadImageBlob(MagickWand *wand, 8190 const void *blob,const size_t length) 8191{ 8192 Image 8193 *images; 8194 8195 assert(wand != (MagickWand *) NULL); 8196 assert(wand->signature == WandSignature); 8197 if( IfMagickTrue(wand->debug) ) 8198 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8199 8200 images=BlobToImage(wand->image_info,blob,length,wand->exception); 8201 if (images == (Image *) NULL) 8202 return(MagickFalse); 8203 return(InsertImageInWand(wand,images)); 8204} 8205 8206/* 8207%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8208% % 8209% % 8210% % 8211% M a g i c k R e a d I m a g e F i l e % 8212% % 8213% % 8214% % 8215%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8216% 8217% MagickReadImageFile() reads an image or image sequence from an already 8218% opened file descriptor. Otherwise it is like MagickReadImage(). 8219% 8220% The format of the MagickReadImageFile method is: 8221% 8222% MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 8223% 8224% A description of each parameter follows: 8225% 8226% o wand: the magick wand. 8227% 8228% o file: the file descriptor. 8229% 8230*/ 8231WandExport MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 8232{ 8233 Image 8234 *images; 8235 8236 ImageInfo 8237 *read_info; 8238 8239 assert(wand != (MagickWand *) NULL); 8240 assert(wand->signature == WandSignature); 8241 assert(file != (FILE *) NULL); 8242 if( IfMagickTrue(wand->debug) ) 8243 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8244 8245 read_info=CloneImageInfo(wand->image_info); 8246 SetImageInfoFile(read_info,file); 8247 images=ReadImage(read_info,wand->exception); 8248 read_info=DestroyImageInfo(read_info); 8249 if (images == (Image *) NULL) 8250 return(MagickFalse); 8251 return(InsertImageInWand(wand,images)); 8252} 8253 8254/* 8255%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8256% % 8257% % 8258% % 8259% M a g i c k R e m a p I m a g e % 8260% % 8261% % 8262% % 8263%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8264% 8265% MagickRemapImage() replaces the colors of an image with the closest color 8266% from a reference image. 8267% 8268% The format of the MagickRemapImage method is: 8269% 8270% MagickBooleanType MagickRemapImage(MagickWand *wand, 8271% const MagickWand *remap_wand,const DitherMethod method) 8272% 8273% A description of each parameter follows: 8274% 8275% o wand: the magick wand. 8276% 8277% o affinity: the affinity wand. 8278% 8279% o method: choose from these dither methods: NoDitherMethod, 8280% RiemersmaDitherMethod, or FloydSteinbergDitherMethod. 8281% 8282*/ 8283WandExport MagickBooleanType MagickRemapImage(MagickWand *wand, 8284 const MagickWand *remap_wand,const DitherMethod dither_method) 8285{ 8286 MagickBooleanType 8287 status; 8288 8289 QuantizeInfo 8290 *quantize_info; 8291 8292 assert(wand != (MagickWand *) NULL); 8293 assert(wand->signature == WandSignature); 8294 if( IfMagickTrue(wand->debug) ) 8295 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8296 8297 if ((wand->images == (Image *) NULL) || 8298 (remap_wand->images == (Image *) NULL)) 8299 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8300 quantize_info=AcquireQuantizeInfo(wand->image_info); 8301 quantize_info->dither_method=dither_method; 8302 status=RemapImage(quantize_info,wand->images,remap_wand->images, 8303 wand->exception); 8304 quantize_info=DestroyQuantizeInfo(quantize_info); 8305 return(status); 8306} 8307 8308/* 8309%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8310% % 8311% % 8312% % 8313% M a g i c k R e m o v e I m a g e % 8314% % 8315% % 8316% % 8317%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8318% 8319% MagickRemoveImage() removes an image from the image list. 8320% 8321% The format of the MagickRemoveImage method is: 8322% 8323% MagickBooleanType MagickRemoveImage(MagickWand *wand) 8324% 8325% A description of each parameter follows: 8326% 8327% o wand: the magick wand. 8328% 8329% o insert: the splice wand. 8330% 8331*/ 8332WandExport MagickBooleanType MagickRemoveImage(MagickWand *wand) 8333{ 8334 assert(wand != (MagickWand *) NULL); 8335 assert(wand->signature == WandSignature); 8336 if( IfMagickTrue(wand->debug) ) 8337 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8338 8339 if (wand->images == (Image *) NULL) 8340 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8341 DeleteImageFromList(&wand->images); 8342 return(MagickTrue); 8343} 8344 8345/* 8346%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8347% % 8348% % 8349% % 8350% M a g i c k R e s a m p l e I m a g e % 8351% % 8352% % 8353% % 8354%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8355% 8356% MagickResampleImage() resample image to desired resolution. 8357% 8358% Bessel Blackman Box 8359% Catrom Cubic Gaussian 8360% Hanning Hermite Lanczos 8361% Mitchell Point Quandratic 8362% Sinc Triangle 8363% 8364% Most of the filters are FIR (finite impulse response), however, Bessel, 8365% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8366% are windowed (brought down to zero) with the Blackman filter. 8367% 8368% The format of the MagickResampleImage method is: 8369% 8370% MagickBooleanType MagickResampleImage(MagickWand *wand, 8371% const double x_resolution,const double y_resolution, 8372% const FilterTypes filter) 8373% 8374% A description of each parameter follows: 8375% 8376% o wand: the magick wand. 8377% 8378% o x_resolution: the new image x resolution. 8379% 8380% o y_resolution: the new image y resolution. 8381% 8382% o filter: Image filter to use. 8383% 8384*/ 8385WandExport MagickBooleanType MagickResampleImage(MagickWand *wand, 8386 const double x_resolution,const double y_resolution,const FilterTypes filter) 8387{ 8388 Image 8389 *resample_image; 8390 8391 assert(wand != (MagickWand *) NULL); 8392 assert(wand->signature == WandSignature); 8393 if( IfMagickTrue(wand->debug) ) 8394 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8395 8396 if (wand->images == (Image *) NULL) 8397 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8398 resample_image=ResampleImage(wand->images,x_resolution,y_resolution,filter, 8399 wand->exception); 8400 if (resample_image == (Image *) NULL) 8401 return(MagickFalse); 8402 ReplaceImageInList(&wand->images,resample_image); 8403 return(MagickTrue); 8404} 8405 8406/* 8407%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8408% % 8409% % 8410% % 8411% M a g i c k R e s e t I m a g e P a g e % 8412% % 8413% % 8414% % 8415%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8416% 8417% MagickResetImagePage() resets the Wand page canvas and position. 8418% 8419% The format of the MagickResetImagePage method is: 8420% 8421% MagickBooleanType MagickResetImagePage(MagickWand *wand, 8422% const char *page) 8423% 8424% A description of each parameter follows: 8425% 8426% o wand: the magick wand. 8427% 8428% o page: the relative page specification. 8429% 8430*/ 8431WandExport MagickBooleanType MagickResetImagePage(MagickWand *wand, 8432 const char *page) 8433{ 8434 assert(wand != (MagickWand *) NULL); 8435 assert(wand->signature == WandSignature); 8436 if( IfMagickTrue(wand->debug) ) 8437 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8438 8439 if (wand->images == (Image *) NULL) 8440 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8441 if ((page == (char *) NULL) || (*page == '\0')) 8442 { 8443 (void) ParseAbsoluteGeometry("0x0+0+0",&wand->images->page); 8444 return(MagickTrue); 8445 } 8446 return(ResetImagePage(wand->images,page)); 8447} 8448 8449/* 8450%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8451% % 8452% % 8453% % 8454% M a g i c k R e s i z e I m a g e % 8455% % 8456% % 8457% % 8458%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8459% 8460% MagickResizeImage() scales an image to the desired dimensions with one of 8461% these filters: 8462% 8463% Bessel Blackman Box 8464% Catrom Cubic Gaussian 8465% Hanning Hermite Lanczos 8466% Mitchell Point Quandratic 8467% Sinc Triangle 8468% 8469% Most of the filters are FIR (finite impulse response), however, Bessel, 8470% Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc 8471% are windowed (brought down to zero) with the Blackman filter. 8472% 8473% The format of the MagickResizeImage method is: 8474% 8475% MagickBooleanType MagickResizeImage(MagickWand *wand, 8476% const size_t columns,const size_t rows,const FilterTypes filter) 8477% 8478% A description of each parameter follows: 8479% 8480% o wand: the magick wand. 8481% 8482% o columns: the number of columns in the scaled image. 8483% 8484% o rows: the number of rows in the scaled image. 8485% 8486% o filter: Image filter to use. 8487% 8488*/ 8489WandExport MagickBooleanType MagickResizeImage(MagickWand *wand, 8490 const size_t columns,const size_t rows,const FilterTypes filter) 8491{ 8492 Image 8493 *resize_image; 8494 8495 assert(wand != (MagickWand *) NULL); 8496 assert(wand->signature == WandSignature); 8497 if( IfMagickTrue(wand->debug) ) 8498 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8499 8500 if (wand->images == (Image *) NULL) 8501 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8502 resize_image=ResizeImage(wand->images,columns,rows,filter,wand->exception); 8503 if (resize_image == (Image *) NULL) 8504 return(MagickFalse); 8505 ReplaceImageInList(&wand->images,resize_image); 8506 return(MagickTrue); 8507} 8508 8509/* 8510%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8511% % 8512% % 8513% % 8514% M a g i c k R o l l I m a g e % 8515% % 8516% % 8517% % 8518%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8519% 8520% MagickRollImage() offsets an image as defined by x and y. 8521% 8522% The format of the MagickRollImage method is: 8523% 8524% MagickBooleanType MagickRollImage(MagickWand *wand,const ssize_t x, 8525% const size_t y) 8526% 8527% A description of each parameter follows: 8528% 8529% o wand: the magick wand. 8530% 8531% o x: the x offset. 8532% 8533% o y: the y offset. 8534% 8535% 8536*/ 8537WandExport MagickBooleanType MagickRollImage(MagickWand *wand, 8538 const ssize_t x,const ssize_t y) 8539{ 8540 Image 8541 *roll_image; 8542 8543 assert(wand != (MagickWand *) NULL); 8544 assert(wand->signature == WandSignature); 8545 if( IfMagickTrue(wand->debug) ) 8546 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8547 8548 if (wand->images == (Image *) NULL) 8549 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8550 roll_image=RollImage(wand->images,x,y,wand->exception); 8551 if (roll_image == (Image *) NULL) 8552 return(MagickFalse); 8553 ReplaceImageInList(&wand->images,roll_image); 8554 return(MagickTrue); 8555} 8556 8557/* 8558%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8559% % 8560% % 8561% % 8562% M a g i c k R o t a t e I m a g e % 8563% % 8564% % 8565% % 8566%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8567% 8568% MagickRotateImage() rotates an image the specified number of degrees. Empty 8569% triangles left over from rotating the image are filled with the 8570% background color. 8571% 8572% The format of the MagickRotateImage method is: 8573% 8574% MagickBooleanType MagickRotateImage(MagickWand *wand, 8575% const PixelWand *background,const double degrees) 8576% 8577% A description of each parameter follows: 8578% 8579% o wand: the magick wand. 8580% 8581% o background: the background pixel wand. 8582% 8583% o degrees: the number of degrees to rotate the image. 8584% 8585% 8586*/ 8587WandExport MagickBooleanType MagickRotateImage(MagickWand *wand, 8588 const PixelWand *background,const double degrees) 8589{ 8590 Image 8591 *rotate_image; 8592 8593 assert(wand != (MagickWand *) NULL); 8594 assert(wand->signature == WandSignature); 8595 if( IfMagickTrue(wand->debug) ) 8596 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8597 8598 if (wand->images == (Image *) NULL) 8599 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8600 PixelGetQuantumPacket(background,&wand->images->background_color); 8601 rotate_image=RotateImage(wand->images,degrees,wand->exception); 8602 if (rotate_image == (Image *) NULL) 8603 return(MagickFalse); 8604 ReplaceImageInList(&wand->images,rotate_image); 8605 return(MagickTrue); 8606} 8607 8608/* 8609%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8610% % 8611% % 8612% % 8613% M a g i c k S a m p l e I m a g e % 8614% % 8615% % 8616% % 8617%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8618% 8619% MagickSampleImage() scales an image to the desired dimensions with pixel 8620% sampling. Unlike other scaling methods, this method does not introduce 8621% any additional color into the scaled image. 8622% 8623% The format of the MagickSampleImage method is: 8624% 8625% MagickBooleanType MagickSampleImage(MagickWand *wand, 8626% const size_t columns,const size_t rows) 8627% 8628% A description of each parameter follows: 8629% 8630% o wand: the magick wand. 8631% 8632% o columns: the number of columns in the scaled image. 8633% 8634% o rows: the number of rows in the scaled image. 8635% 8636% 8637*/ 8638WandExport MagickBooleanType MagickSampleImage(MagickWand *wand, 8639 const size_t columns,const size_t rows) 8640{ 8641 Image 8642 *sample_image; 8643 8644 assert(wand != (MagickWand *) NULL); 8645 assert(wand->signature == WandSignature); 8646 if( IfMagickTrue(wand->debug) ) 8647 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8648 8649 if (wand->images == (Image *) NULL) 8650 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8651 sample_image=SampleImage(wand->images,columns,rows,wand->exception); 8652 if (sample_image == (Image *) NULL) 8653 return(MagickFalse); 8654 ReplaceImageInList(&wand->images,sample_image); 8655 return(MagickTrue); 8656} 8657 8658/* 8659%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8660% % 8661% % 8662% % 8663% M a g i c k S c a l e I m a g e % 8664% % 8665% % 8666% % 8667%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8668% 8669% MagickScaleImage() scales the size of an image to the given dimensions. 8670% 8671% The format of the MagickScaleImage method is: 8672% 8673% MagickBooleanType MagickScaleImage(MagickWand *wand, 8674% const size_t columns,const size_t rows) 8675% 8676% A description of each parameter follows: 8677% 8678% o wand: the magick wand. 8679% 8680% o columns: the number of columns in the scaled image. 8681% 8682% o rows: the number of rows in the scaled image. 8683% 8684% 8685*/ 8686WandExport MagickBooleanType MagickScaleImage(MagickWand *wand, 8687 const size_t columns,const size_t rows) 8688{ 8689 Image 8690 *scale_image; 8691 8692 assert(wand != (MagickWand *) NULL); 8693 assert(wand->signature == WandSignature); 8694 if( IfMagickTrue(wand->debug) ) 8695 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8696 8697 if (wand->images == (Image *) NULL) 8698 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8699 scale_image=ScaleImage(wand->images,columns,rows,wand->exception); 8700 if (scale_image == (Image *) NULL) 8701 return(MagickFalse); 8702 ReplaceImageInList(&wand->images,scale_image); 8703 return(MagickTrue); 8704} 8705 8706/* 8707%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8708% % 8709% % 8710% % 8711% M a g i c k S e g m e n t I m a g e % 8712% % 8713% % 8714% % 8715%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8716% 8717% MagickSegmentImage() segments an image by analyzing the histograms of the 8718% color components and identifying units that are homogeneous with the fuzzy 8719% C-means technique. 8720% 8721% The format of the SegmentImage method is: 8722% 8723% MagickBooleanType MagickSegmentImage(MagickWand *wand, 8724% const ColorspaceType colorspace,const MagickBooleanType verbose, 8725% const double cluster_threshold,const double smooth_threshold) 8726% 8727% A description of each parameter follows. 8728% 8729% o wand: the wand. 8730% 8731% o colorspace: the image colorspace. 8732% 8733% o verbose: Set to MagickTrue to print detailed information about the 8734% identified classes. 8735% 8736% o cluster_threshold: This represents the minimum number of pixels 8737% contained in a hexahedra before it can be considered valid (expressed as 8738% a percentage). 8739% 8740% o smooth_threshold: the smoothing threshold eliminates noise in the second 8741% derivative of the histogram. As the value is increased, you can expect a 8742% smoother second derivative. 8743% 8744*/ 8745MagickExport MagickBooleanType MagickSegmentImage(MagickWand *wand, 8746 const ColorspaceType colorspace,const MagickBooleanType verbose, 8747 const double cluster_threshold,const double smooth_threshold) 8748{ 8749 MagickBooleanType 8750 status; 8751 8752 assert(wand != (MagickWand *) NULL); 8753 assert(wand->signature == WandSignature); 8754 if( IfMagickTrue(wand->debug) ) 8755 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8756 8757 if (wand->images == (Image *) NULL) 8758 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8759 status=SegmentImage(wand->images,colorspace,verbose,cluster_threshold, 8760 smooth_threshold,wand->exception); 8761 return(status); 8762} 8763 8764/* 8765%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8766% % 8767% % 8768% % 8769% M a g i c k S e l e c t i v e B l u r I m a g e % 8770% % 8771% % 8772% % 8773%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8774% 8775% MagickSelectiveBlurImage() selectively blur an image within a contrast 8776% threshold. It is similar to the unsharpen mask that sharpens everything with 8777% contrast above a certain threshold. 8778% 8779% The format of the MagickSelectiveBlurImage method is: 8780% 8781% MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8782% const double radius,const double sigma,const double threshold) 8783% 8784% A description of each parameter follows: 8785% 8786% o wand: the magick wand. 8787% 8788% o radius: the radius of the gaussian, in pixels, not counting the center 8789% pixel. 8790% 8791% o sigma: the standard deviation of the gaussian, in pixels. 8792% 8793% o threshold: only pixels within this contrast threshold are included 8794% in the blur operation. 8795% 8796*/ 8797WandExport MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 8798 const double radius,const double sigma,const double threshold) 8799{ 8800 Image 8801 *blur_image; 8802 8803 assert(wand != (MagickWand *) NULL); 8804 assert(wand->signature == WandSignature); 8805 if( IfMagickTrue(wand->debug) ) 8806 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8807 8808 if (wand->images == (Image *) NULL) 8809 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8810 blur_image=SelectiveBlurImage(wand->images,radius,sigma,threshold, 8811 wand->exception); 8812 if (blur_image == (Image *) NULL) 8813 return(MagickFalse); 8814 ReplaceImageInList(&wand->images,blur_image); 8815 return(MagickTrue); 8816} 8817 8818/* 8819%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8820% % 8821% % 8822% % 8823% 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 % 8824% % 8825% % 8826% % 8827%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8828% 8829% MagickSeparateImage() separates a channel from the image and returns a 8830% grayscale image. A channel is a particular color component of each pixel 8831% in the image. 8832% 8833% The format of the MagickSeparateImage method is: 8834% 8835% MagickBooleanType MagickSeparateImage(MagickWand *wand, 8836% const ChannelType channel) 8837% 8838% A description of each parameter follows: 8839% 8840% o wand: the magick wand. 8841% 8842% o channel: the channel. 8843% 8844*/ 8845WandExport MagickBooleanType MagickSeparateImage(MagickWand *wand, 8846 const ChannelType channel) 8847{ 8848 Image 8849 *separate_image; 8850 8851 assert(wand != (MagickWand *) NULL); 8852 assert(wand->signature == WandSignature); 8853 if( IfMagickTrue(wand->debug) ) 8854 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8855 8856 if (wand->images == (Image *) NULL) 8857 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8858 separate_image=SeparateImage(wand->images,channel,wand->exception); 8859 if (separate_image == (Image *) NULL) 8860 return(MagickFalse); 8861 ReplaceImageInList(&wand->images,separate_image); 8862 return(MagickTrue); 8863} 8864 8865/* 8866%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8867% % 8868% % 8869% % 8870% M a g i c k S e p i a T o n e I m a g e % 8871% % 8872% % 8873% % 8874%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8875% 8876% MagickSepiaToneImage() applies a special effect to the image, similar to the 8877% effect achieved in a photo darkroom by sepia toning. Threshold ranges from 8878% 0 to QuantumRange and is a measure of the extent of the sepia toning. A 8879% threshold of 80% is a good starting point for a reasonable tone. 8880% 8881% The format of the MagickSepiaToneImage method is: 8882% 8883% MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8884% const double threshold) 8885% 8886% A description of each parameter follows: 8887% 8888% o wand: the magick wand. 8889% 8890% o threshold: Define the extent of the sepia toning. 8891% 8892*/ 8893WandExport MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 8894 const double threshold) 8895{ 8896 Image 8897 *sepia_image; 8898 8899 assert(wand != (MagickWand *) NULL); 8900 assert(wand->signature == WandSignature); 8901 if( IfMagickTrue(wand->debug) ) 8902 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8903 8904 if (wand->images == (Image *) NULL) 8905 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8906 sepia_image=SepiaToneImage(wand->images,threshold,wand->exception); 8907 if (sepia_image == (Image *) NULL) 8908 return(MagickFalse); 8909 ReplaceImageInList(&wand->images,sepia_image); 8910 return(MagickTrue); 8911} 8912 8913/* 8914%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8915% % 8916% % 8917% % 8918% M a g i c k S e t I m a g e % 8919% % 8920% % 8921% % 8922%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8923% 8924% MagickSetImage() replaces the last image returned by MagickSetImageIndex(), 8925% MagickNextImage(), MagickPreviousImage() with the images from the specified 8926% wand. 8927% 8928% The format of the MagickSetImage method is: 8929% 8930% MagickBooleanType MagickSetImage(MagickWand *wand, 8931% const MagickWand *set_wand) 8932% 8933% A description of each parameter follows: 8934% 8935% o wand: the magick wand. 8936% 8937% o set_wand: the set_wand wand. 8938% 8939*/ 8940WandExport MagickBooleanType MagickSetImage(MagickWand *wand, 8941 const MagickWand *set_wand) 8942{ 8943 Image 8944 *images; 8945 8946 assert(wand != (MagickWand *) NULL); 8947 assert(wand->signature == WandSignature); 8948 if( IfMagickTrue(wand->debug) ) 8949 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8950 8951 assert(set_wand != (MagickWand *) NULL); 8952 assert(set_wand->signature == WandSignature); 8953 if( IfMagickTrue(wand->debug) ) 8954 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",set_wand->name); 8955 8956 if (set_wand->images == (Image *) NULL) 8957 ThrowWandException(WandError,"ContainsNoImages",wand->name); 8958 images=CloneImageList(set_wand->images,wand->exception); 8959 if (images == (Image *) NULL) 8960 return(MagickFalse); 8961 ReplaceImageInList(&wand->images,images); 8962 return(MagickTrue); 8963} 8964 8965/* 8966%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8967% % 8968% % 8969% % 8970% 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 % 8971% % 8972% % 8973% % 8974%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8975% 8976% MagickSetImageAlphaChannel() activates, deactivates, resets, or sets the 8977% alpha channel. 8978% 8979% The format of the MagickSetImageAlphaChannel method is: 8980% 8981% MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8982% const AlphaChannelOption alpha_type) 8983% 8984% A description of each parameter follows: 8985% 8986% o wand: the magick wand. 8987% 8988% o alpha_type: the alpha channel type: ActivateAlphaChannel, 8989% DeactivateAlphaChannel, OpaqueAlphaChannel, or SetAlphaChannel. 8990% 8991*/ 8992WandExport MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 8993 const AlphaChannelOption alpha_type) 8994{ 8995 assert(wand != (MagickWand *) NULL); 8996 assert(wand->signature == WandSignature); 8997 if( IfMagickTrue(wand->debug) ) 8998 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 8999 9000 if (wand->images == (Image *) NULL) 9001 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9002 return(SetImageAlphaChannel(wand->images,alpha_type,wand->exception)); 9003} 9004 9005/* 9006%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9007% % 9008% % 9009% % 9010% 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 % 9011% % 9012% % 9013% % 9014%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9015% 9016% MagickSetImageBackgroundColor() sets the image background color. 9017% 9018% The format of the MagickSetImageBackgroundColor method is: 9019% 9020% MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 9021% const PixelWand *background) 9022% 9023% A description of each parameter follows: 9024% 9025% o wand: the magick wand. 9026% 9027% o background: the background pixel wand. 9028% 9029*/ 9030WandExport MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 9031 const PixelWand *background) 9032{ 9033 assert(wand != (MagickWand *) NULL); 9034 assert(wand->signature == WandSignature); 9035 if( IfMagickTrue(wand->debug) ) 9036 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9037 9038 if (wand->images == (Image *) NULL) 9039 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9040 PixelGetQuantumPacket(background,&wand->images->background_color); 9041 return(MagickTrue); 9042} 9043 9044/* 9045%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9046% % 9047% % 9048% % 9049% 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 % 9050% % 9051% % 9052% % 9053%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9054% 9055% MagickSetImageBluePrimary() sets the image chromaticity blue primary point. 9056% 9057% The format of the MagickSetImageBluePrimary method is: 9058% 9059% MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 9060% const double x,const double y) 9061% 9062% A description of each parameter follows: 9063% 9064% o wand: the magick wand. 9065% 9066% o x: the blue primary x-point. 9067% 9068% o y: the blue primary y-point. 9069% 9070*/ 9071WandExport MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 9072 const double x,const double y) 9073{ 9074 assert(wand != (MagickWand *) NULL); 9075 assert(wand->signature == WandSignature); 9076 if( IfMagickTrue(wand->debug) ) 9077 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9078 9079 if (wand->images == (Image *) NULL) 9080 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9081 wand->images->chromaticity.blue_primary.x=x; 9082 wand->images->chromaticity.blue_primary.y=y; 9083 return(MagickTrue); 9084} 9085 9086/* 9087%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9088% % 9089% % 9090% % 9091% 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 % 9092% % 9093% % 9094% % 9095%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9096% 9097% MagickSetImageBorderColor() sets the image border color. 9098% 9099% The format of the MagickSetImageBorderColor method is: 9100% 9101% MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 9102% const PixelWand *border) 9103% 9104% A description of each parameter follows: 9105% 9106% o wand: the magick wand. 9107% 9108% o border: the border pixel wand. 9109% 9110*/ 9111WandExport MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 9112 const PixelWand *border) 9113{ 9114 assert(wand != (MagickWand *) NULL); 9115 assert(wand->signature == WandSignature); 9116 if( IfMagickTrue(wand->debug) ) 9117 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9118 9119 if (wand->images == (Image *) NULL) 9120 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9121 PixelGetQuantumPacket(border,&wand->images->border_color); 9122 return(MagickTrue); 9123} 9124 9125/* 9126%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9127% % 9128% % 9129% % 9130% M a g i c k S e t I m a g e C l i p M a s k % 9131% % 9132% % 9133% % 9134%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9135% 9136% MagickSetImageMask() sets image clip mask. 9137% 9138% The format of the MagickSetImageMask method is: 9139% 9140% MagickBooleanType MagickSetImageMask(MagickWand *wand, 9141% const MagickWand *clip_mask) 9142% 9143% A description of each parameter follows: 9144% 9145% o wand: the magick wand. 9146% 9147% o clip_mask: the clip_mask wand. 9148% 9149*/ 9150WandExport MagickBooleanType MagickSetImageMask(MagickWand *wand, 9151 const MagickWand *clip_mask) 9152{ 9153 assert(wand != (MagickWand *) NULL); 9154 assert(wand->signature == WandSignature); 9155 if( IfMagickTrue(wand->debug) ) 9156 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9157 9158 assert(clip_mask != (MagickWand *) NULL); 9159 assert(clip_mask->signature == WandSignature); 9160 if( IfMagickTrue(clip_mask->debug) ) 9161 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clip_mask->name); 9162 9163 if (clip_mask->images == (Image *) NULL) 9164 ThrowWandException(WandError,"ContainsNoImages",clip_mask->name); 9165 return(SetImageMask(wand->images,clip_mask->images,wand->exception)); 9166} 9167 9168/* 9169%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9170% % 9171% % 9172% % 9173% M a g i c k S e t I m a g e C o l o r % 9174% % 9175% % 9176% % 9177%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9178% 9179% MagickSetImageColor() set the entire wand canvas to the specified color. 9180% 9181% The format of the MagickSetImageColor method is: 9182% 9183% MagickBooleanType MagickSetImageColor(MagickWand *wand, 9184% const PixelWand *color) 9185% 9186% A description of each parameter follows: 9187% 9188% o wand: the magick wand. 9189% 9190% o background: the image color. 9191% 9192*/ 9193WandExport MagickBooleanType MagickSetImageColor(MagickWand *wand, 9194 const PixelWand *color) 9195{ 9196 PixelInfo 9197 pixel; 9198 9199 assert(wand != (MagickWand *) NULL); 9200 assert(wand->signature == WandSignature); 9201 if( IfMagickTrue(wand->debug) ) 9202 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9203 9204 PixelGetMagickColor(color,&pixel); 9205 return(SetImageColor(wand->images,&pixel,wand->exception)); 9206} 9207 9208/* 9209%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9210% % 9211% % 9212% % 9213% 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 % 9214% % 9215% % 9216% % 9217%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9218% 9219% MagickSetImageColormapColor() sets the color of the specified colormap 9220% index. 9221% 9222% The format of the MagickSetImageColormapColor method is: 9223% 9224% MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 9225% const size_t index,const PixelWand *color) 9226% 9227% A description of each parameter follows: 9228% 9229% o wand: the magick wand. 9230% 9231% o index: the offset into the image colormap. 9232% 9233% o color: Return the colormap color in this wand. 9234% 9235*/ 9236WandExport MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 9237 const size_t index,const PixelWand *color) 9238{ 9239 assert(wand != (MagickWand *) NULL); 9240 assert(wand->signature == WandSignature); 9241 if( IfMagickTrue(wand->debug) ) 9242 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9243 9244 if (wand->images == (Image *) NULL) 9245 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9246 if ((wand->images->colormap == (PixelInfo *) NULL) || 9247 (index >= wand->images->colors)) 9248 ThrowWandException(WandError,"InvalidColormapIndex",wand->name); 9249 PixelGetQuantumPacket(color,wand->images->colormap+index); 9250 return(SyncImage(wand->images,wand->exception)); 9251} 9252 9253/* 9254%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9255% % 9256% % 9257% % 9258% M a g i c k S e t I m a g e C o l o r s p a c e % 9259% % 9260% % 9261% % 9262%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9263% 9264% MagickSetImageColorspace() sets the image colorspace. But does not modify 9265% the image data. 9266% 9267% The format of the MagickSetImageColorspace method is: 9268% 9269% MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 9270% const ColorspaceType colorspace) 9271% 9272% A description of each parameter follows: 9273% 9274% o wand: the magick wand. 9275% 9276% o colorspace: the image colorspace: UndefinedColorspace, RGBColorspace, 9277% GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, 9278% YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, 9279% YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, 9280% HSLColorspace, or HWBColorspace. 9281% 9282*/ 9283WandExport MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 9284 const ColorspaceType colorspace) 9285{ 9286 assert(wand != (MagickWand *) NULL); 9287 assert(wand->signature == WandSignature); 9288 if( IfMagickTrue(wand->debug) ) 9289 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9290 9291 if (wand->images == (Image *) NULL) 9292 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9293 return(SetImageColorspace(wand->images,colorspace,wand->exception)); 9294} 9295 9296/* 9297%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9298% % 9299% % 9300% % 9301% M a g i c k S e t I m a g e C o m p o s e % 9302% % 9303% % 9304% % 9305%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9306% 9307% MagickSetImageCompose() sets the image composite operator, useful for 9308% specifying how to composite the image thumbnail when using the 9309% MagickMontageImage() method. 9310% 9311% The format of the MagickSetImageCompose method is: 9312% 9313% MagickBooleanType MagickSetImageCompose(MagickWand *wand, 9314% const CompositeOperator compose) 9315% 9316% A description of each parameter follows: 9317% 9318% o wand: the magick wand. 9319% 9320% o compose: the image composite operator. 9321% 9322*/ 9323WandExport MagickBooleanType MagickSetImageCompose(MagickWand *wand, 9324 const CompositeOperator compose) 9325{ 9326 assert(wand != (MagickWand *) NULL); 9327 assert(wand->signature == WandSignature); 9328 if( IfMagickTrue(wand->debug) ) 9329 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9330 9331 if (wand->images == (Image *) NULL) 9332 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9333 wand->images->compose=compose; 9334 return(MagickTrue); 9335} 9336 9337/* 9338%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9339% % 9340% % 9341% % 9342% M a g i c k S e t I m a g e C o m p r e s s i o n % 9343% % 9344% % 9345% % 9346%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9347% 9348% MagickSetImageCompression() sets the image compression. 9349% 9350% The format of the MagickSetImageCompression method is: 9351% 9352% MagickBooleanType MagickSetImageCompression(MagickWand *wand, 9353% const CompressionType compression) 9354% 9355% A description of each parameter follows: 9356% 9357% o wand: the magick wand. 9358% 9359% o compression: the image compression type. 9360% 9361*/ 9362WandExport MagickBooleanType MagickSetImageCompression(MagickWand *wand, 9363 const CompressionType compression) 9364{ 9365 assert(wand != (MagickWand *) NULL); 9366 assert(wand->signature == WandSignature); 9367 if( IfMagickTrue(wand->debug) ) 9368 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9369 9370 if (wand->images == (Image *) NULL) 9371 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9372 wand->images->compression=compression; 9373 return(MagickTrue); 9374} 9375 9376/* 9377%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9378% % 9379% % 9380% % 9381% 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 % 9382% % 9383% % 9384% % 9385%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9386% 9387% MagickSetImageCompressionQuality() sets the image compression quality. 9388% 9389% The format of the MagickSetImageCompressionQuality method is: 9390% 9391% MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 9392% const size_t quality) 9393% 9394% A description of each parameter follows: 9395% 9396% o wand: the magick wand. 9397% 9398% o quality: the image compression tlityype. 9399% 9400*/ 9401WandExport MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 9402 const size_t quality) 9403{ 9404 assert(wand != (MagickWand *) NULL); 9405 assert(wand->signature == WandSignature); 9406 if( IfMagickTrue(wand->debug) ) 9407 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9408 9409 if (wand->images == (Image *) NULL) 9410 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9411 wand->images->quality=quality; 9412 return(MagickTrue); 9413} 9414 9415/* 9416%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9417% % 9418% % 9419% % 9420% M a g i c k S e t I m a g e D e l a y % 9421% % 9422% % 9423% % 9424%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9425% 9426% MagickSetImageDelay() sets the image delay. 9427% 9428% The format of the MagickSetImageDelay method is: 9429% 9430% MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9431% const size_t delay) 9432% 9433% A description of each parameter follows: 9434% 9435% o wand: the magick wand. 9436% 9437% o delay: the image delay in ticks-per-second units. 9438% 9439*/ 9440WandExport MagickBooleanType MagickSetImageDelay(MagickWand *wand, 9441 const size_t delay) 9442{ 9443 assert(wand != (MagickWand *) NULL); 9444 assert(wand->signature == WandSignature); 9445 if( IfMagickTrue(wand->debug) ) 9446 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9447 9448 if (wand->images == (Image *) NULL) 9449 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9450 wand->images->delay=delay; 9451 return(MagickTrue); 9452} 9453 9454/* 9455%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9456% % 9457% % 9458% % 9459% M a g i c k S e t I m a g e D e p t h % 9460% % 9461% % 9462% % 9463%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9464% 9465% MagickSetImageDepth() sets the image depth. 9466% 9467% The format of the MagickSetImageDepth method is: 9468% 9469% MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9470% const size_t depth) 9471% 9472% A description of each parameter follows: 9473% 9474% o wand: the magick wand. 9475% 9476% o depth: the image depth in bits: 8, 16, or 32. 9477% 9478*/ 9479WandExport MagickBooleanType MagickSetImageDepth(MagickWand *wand, 9480 const size_t depth) 9481{ 9482 assert(wand != (MagickWand *) NULL); 9483 assert(wand->signature == WandSignature); 9484 if( IfMagickTrue(wand->debug) ) 9485 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9486 9487 if (wand->images == (Image *) NULL) 9488 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9489 return(SetImageDepth(wand->images,depth,wand->exception)); 9490} 9491 9492/* 9493%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9494% % 9495% % 9496% % 9497% M a g i c k S e t I m a g e D i s p o s e % 9498% % 9499% % 9500% % 9501%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9502% 9503% MagickSetImageDispose() sets the image disposal method. 9504% 9505% The format of the MagickSetImageDispose method is: 9506% 9507% MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9508% const DisposeType dispose) 9509% 9510% A description of each parameter follows: 9511% 9512% o wand: the magick wand. 9513% 9514% o dispose: the image disposeal type. 9515% 9516*/ 9517WandExport MagickBooleanType MagickSetImageDispose(MagickWand *wand, 9518 const DisposeType dispose) 9519{ 9520 assert(wand != (MagickWand *) NULL); 9521 assert(wand->signature == WandSignature); 9522 if( IfMagickTrue(wand->debug) ) 9523 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9524 9525 if (wand->images == (Image *) NULL) 9526 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9527 wand->images->dispose=dispose; 9528 return(MagickTrue); 9529} 9530 9531/* 9532%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9533% % 9534% % 9535% % 9536% M a g i c k S e t I m a g e E n d i a n % 9537% % 9538% % 9539% % 9540%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9541% 9542% MagickSetImageEndian() sets the image endian method. 9543% 9544% The format of the MagickSetImageEndian method is: 9545% 9546% MagickBooleanType MagickSetImageEndian(MagickWand *wand, 9547% const EndianType endian) 9548% 9549% A description of each parameter follows: 9550% 9551% o wand: the magick wand. 9552% 9553% o endian: the image endian type. 9554% 9555*/ 9556WandExport MagickBooleanType MagickSetImageEndian(MagickWand *wand, 9557 const EndianType endian) 9558{ 9559 assert(wand != (MagickWand *) NULL); 9560 assert(wand->signature == WandSignature); 9561 if (wand->debug != MagickFalse) 9562 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9563 if (wand->images == (Image *) NULL) 9564 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9565 wand->images->endian=endian; 9566 return(MagickTrue); 9567} 9568 9569/* 9570%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9571% % 9572% % 9573% % 9574% M a g i c k S e t I m a g e E x t e n t % 9575% % 9576% % 9577% % 9578%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9579% 9580% MagickSetImageExtent() sets the image size (i.e. columns & rows). 9581% 9582% The format of the MagickSetImageExtent method is: 9583% 9584% MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9585% const size_t columns,const unsigned rows) 9586% 9587% A description of each parameter follows: 9588% 9589% o wand: the magick wand. 9590% 9591% o columns: The image width in pixels. 9592% 9593% o rows: The image height in pixels. 9594% 9595*/ 9596WandExport MagickBooleanType MagickSetImageExtent(MagickWand *wand, 9597 const size_t columns,const size_t rows) 9598{ 9599 assert(wand != (MagickWand *) NULL); 9600 assert(wand->signature == WandSignature); 9601 if( IfMagickTrue(wand->debug) ) 9602 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9603 9604 if (wand->images == (Image *) NULL) 9605 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9606 return(SetImageExtent(wand->images,columns,rows,wand->exception)); 9607} 9608 9609/* 9610%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9611% % 9612% % 9613% % 9614% M a g i c k S e t I m a g e F i l e n a m e % 9615% % 9616% % 9617% % 9618%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9619% 9620% MagickSetImageFilename() sets the filename of a particular image in a 9621% sequence. 9622% 9623% The format of the MagickSetImageFilename method is: 9624% 9625% MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9626% const char *filename) 9627% 9628% A description of each parameter follows: 9629% 9630% o wand: the magick wand. 9631% 9632% o filename: the image filename. 9633% 9634*/ 9635WandExport MagickBooleanType MagickSetImageFilename(MagickWand *wand, 9636 const char *filename) 9637{ 9638 assert(wand != (MagickWand *) NULL); 9639 assert(wand->signature == WandSignature); 9640 if( IfMagickTrue(wand->debug) ) 9641 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9642 9643 if (wand->images == (Image *) NULL) 9644 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9645 if (filename != (const char *) NULL) 9646 (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); 9647 return(MagickTrue); 9648} 9649 9650/* 9651%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9652% % 9653% % 9654% % 9655% M a g i c k S e t I m a g e F o r m a t % 9656% % 9657% % 9658% % 9659%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9660% 9661% MagickSetImageFormat() sets the format of a particular image in a 9662% sequence. 9663% 9664% The format of the MagickSetImageFormat method is: 9665% 9666% MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9667% const char *format) 9668% 9669% A description of each parameter follows: 9670% 9671% o wand: the magick wand. 9672% 9673% o format: the image format. 9674% 9675*/ 9676WandExport MagickBooleanType MagickSetImageFormat(MagickWand *wand, 9677 const char *format) 9678{ 9679 const MagickInfo 9680 *magick_info; 9681 9682 assert(wand != (MagickWand *) NULL); 9683 assert(wand->signature == WandSignature); 9684 if( IfMagickTrue(wand->debug) ) 9685 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9686 9687 if (wand->images == (Image *) NULL) 9688 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9689 if ((format == (char *) NULL) || (*format == '\0')) 9690 { 9691 *wand->images->magick='\0'; 9692 return(MagickTrue); 9693 } 9694 magick_info=GetMagickInfo(format,wand->exception); 9695 if (magick_info == (const MagickInfo *) NULL) 9696 return(MagickFalse); 9697 ClearMagickException(wand->exception); 9698 (void) CopyMagickString(wand->images->magick,format,MaxTextExtent); 9699 return(MagickTrue); 9700} 9701 9702/* 9703%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9704% % 9705% % 9706% % 9707% M a g i c k S e t I m a g e F u z z % 9708% % 9709% % 9710% % 9711%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9712% 9713% MagickSetImageFuzz() sets the image fuzz. 9714% 9715% The format of the MagickSetImageFuzz method is: 9716% 9717% MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9718% const double fuzz) 9719% 9720% A description of each parameter follows: 9721% 9722% o wand: the magick wand. 9723% 9724% o fuzz: the image fuzz. 9725% 9726*/ 9727WandExport MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 9728 const double fuzz) 9729{ 9730 assert(wand != (MagickWand *) NULL); 9731 assert(wand->signature == WandSignature); 9732 if( IfMagickTrue(wand->debug) ) 9733 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9734 9735 if (wand->images == (Image *) NULL) 9736 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9737 wand->images->fuzz=fuzz; 9738 return(MagickTrue); 9739} 9740 9741/* 9742%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9743% % 9744% % 9745% % 9746% M a g i c k S e t I m a g e G a m m a % 9747% % 9748% % 9749% % 9750%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9751% 9752% MagickSetImageGamma() sets the image gamma. 9753% 9754% The format of the MagickSetImageGamma method is: 9755% 9756% MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9757% const double gamma) 9758% 9759% A description of each parameter follows: 9760% 9761% o wand: the magick wand. 9762% 9763% o gamma: the image gamma. 9764% 9765*/ 9766WandExport MagickBooleanType MagickSetImageGamma(MagickWand *wand, 9767 const double gamma) 9768{ 9769 assert(wand != (MagickWand *) NULL); 9770 assert(wand->signature == WandSignature); 9771 if( IfMagickTrue(wand->debug) ) 9772 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9773 9774 if (wand->images == (Image *) NULL) 9775 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9776 wand->images->gamma=gamma; 9777 return(MagickTrue); 9778} 9779 9780/* 9781%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9782% % 9783% % 9784% % 9785% M a g i c k S e t I m a g e G r a v i t y % 9786% % 9787% % 9788% % 9789%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9790% 9791% MagickSetImageGravity() sets the image gravity type. 9792% 9793% The format of the MagickSetImageGravity method is: 9794% 9795% MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9796% const GravityType gravity) 9797% 9798% A description of each parameter follows: 9799% 9800% o wand: the magick wand. 9801% 9802% o gravity: the image interlace scheme: NoInterlace, LineInterlace, 9803% PlaneInterlace, PartitionInterlace. 9804% 9805*/ 9806WandExport MagickBooleanType MagickSetImageGravity(MagickWand *wand, 9807 const GravityType gravity) 9808{ 9809 assert(wand != (MagickWand *) NULL); 9810 assert(wand->signature == WandSignature); 9811 if( IfMagickTrue(wand->debug) ) 9812 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9813 9814 if (wand->images == (Image *) NULL) 9815 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9816 wand->images->gravity=gravity; 9817 return(MagickTrue); 9818} 9819 9820/* 9821%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9822% % 9823% % 9824% % 9825% 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 % 9826% % 9827% % 9828% % 9829%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9830% 9831% MagickSetImageGreenPrimary() sets the image chromaticity green primary 9832% point. 9833% 9834% The format of the MagickSetImageGreenPrimary method is: 9835% 9836% MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9837% const double x,const double y) 9838% 9839% A description of each parameter follows: 9840% 9841% o wand: the magick wand. 9842% 9843% o x: the green primary x-point. 9844% 9845% o y: the green primary y-point. 9846% 9847% 9848*/ 9849WandExport MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 9850 const double x,const double y) 9851{ 9852 assert(wand != (MagickWand *) NULL); 9853 assert(wand->signature == WandSignature); 9854 if( IfMagickTrue(wand->debug) ) 9855 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9856 9857 if (wand->images == (Image *) NULL) 9858 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9859 wand->images->chromaticity.green_primary.x=x; 9860 wand->images->chromaticity.green_primary.y=y; 9861 return(MagickTrue); 9862} 9863 9864/* 9865%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9866% % 9867% % 9868% % 9869% 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 % 9870% % 9871% % 9872% % 9873%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9874% 9875% MagickSetImageInterlaceScheme() sets the image interlace scheme. 9876% 9877% The format of the MagickSetImageInterlaceScheme method is: 9878% 9879% MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9880% const InterlaceType interlace) 9881% 9882% A description of each parameter follows: 9883% 9884% o wand: the magick wand. 9885% 9886% o interlace: the image interlace scheme: NoInterlace, LineInterlace, 9887% PlaneInterlace, PartitionInterlace. 9888% 9889*/ 9890WandExport MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 9891 const InterlaceType interlace) 9892{ 9893 assert(wand != (MagickWand *) NULL); 9894 assert(wand->signature == WandSignature); 9895 if( IfMagickTrue(wand->debug) ) 9896 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9897 9898 if (wand->images == (Image *) NULL) 9899 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9900 wand->images->interlace=interlace; 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 I n t e r p o l a t e M e t h o d % 9910% % 9911% % 9912% % 9913%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9914% 9915% MagickSetImagePixelInterpolateMethod() sets the image interpolate pixel method. 9916% 9917% The format of the MagickSetImagePixelInterpolateMethod method is: 9918% 9919% MagickBooleanType MagickSetImagePixelInterpolateMethod(MagickWand *wand, 9920% const PixelInterpolateMethod method) 9921% 9922% A description of each parameter follows: 9923% 9924% o wand: the magick wand. 9925% 9926% o method: the image interpole pixel methods: choose from Undefined, 9927% Average, Bicubic, Bilinear, Filter, Integer, Mesh, NearestNeighbor. 9928% 9929*/ 9930WandExport MagickBooleanType MagickSetImagePixelInterpolateMethod(MagickWand *wand, 9931 const PixelInterpolateMethod method) 9932{ 9933 assert(wand != (MagickWand *) NULL); 9934 assert(wand->signature == WandSignature); 9935 if( IfMagickTrue(wand->debug) ) 9936 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9937 9938 if (wand->images == (Image *) NULL) 9939 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9940 wand->images->interpolate=method; 9941 return(MagickTrue); 9942} 9943 9944/* 9945%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9946% % 9947% % 9948% % 9949% M a g i c k S e t I m a g e I t e r a t i o n s % 9950% % 9951% % 9952% % 9953%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9954% 9955% MagickSetImageIterations() sets the image iterations. 9956% 9957% The format of the MagickSetImageIterations method is: 9958% 9959% MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9960% const size_t iterations) 9961% 9962% A description of each parameter follows: 9963% 9964% o wand: the magick wand. 9965% 9966% o delay: the image delay in 1/100th of a second. 9967% 9968*/ 9969WandExport MagickBooleanType MagickSetImageIterations(MagickWand *wand, 9970 const size_t iterations) 9971{ 9972 assert(wand != (MagickWand *) NULL); 9973 assert(wand->signature == WandSignature); 9974 if( IfMagickTrue(wand->debug) ) 9975 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 9976 9977 if (wand->images == (Image *) NULL) 9978 ThrowWandException(WandError,"ContainsNoImages",wand->name); 9979 wand->images->iterations=iterations; 9980 return(MagickTrue); 9981} 9982 9983/* 9984%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9985% % 9986% % 9987% % 9988% M a g i c k S e t I m a g e M a t t e % 9989% % 9990% % 9991% % 9992%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9993% 9994% MagickSetImageMatte() sets the image matte channel. 9995% 9996% The format of the MagickSetImageMatteColor method is: 9997% 9998% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 9999% const MagickBooleanType *matte) 10000% 10001% A description of each parameter follows: 10002% 10003% o wand: the magick wand. 10004% 10005% o matte: Set to MagickTrue to enable the image matte channel otherwise 10006% MagickFalse. 10007% 10008*/ 10009WandExport MagickBooleanType MagickSetImageMatte(MagickWand *wand, 10010 const MagickBooleanType matte) 10011{ 10012 assert(wand != (MagickWand *) NULL); 10013 assert(wand->signature == WandSignature); 10014 if( IfMagickTrue(wand->debug) ) 10015 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10016 10017 if (wand->images == (Image *) NULL) 10018 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10019 if( IfMagickFalse(wand->images->matte) && IsMagickTrue(matte)) 10020 (void) SetImageAlpha(wand->images,OpaqueAlpha,wand->exception); 10021 wand->images->matte=matte; 10022 return(MagickTrue); 10023} 10024 10025/* 10026%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10027% % 10028% % 10029% % 10030% M a g i c k S e t I m a g e M a t t e C o l o r % 10031% % 10032% % 10033% % 10034%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10035% 10036% MagickSetImageMatteColor() sets the image matte color. 10037% 10038% The format of the MagickSetImageMatteColor method is: 10039% 10040% MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 10041% const PixelWand *matte) 10042% 10043% A description of each parameter follows: 10044% 10045% o wand: the magick wand. 10046% 10047% o matte: the matte pixel wand. 10048% 10049*/ 10050WandExport MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 10051 const PixelWand *matte) 10052{ 10053 assert(wand != (MagickWand *) NULL); 10054 assert(wand->signature == WandSignature); 10055 if( IfMagickTrue(wand->debug) ) 10056 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10057 10058 if (wand->images == (Image *) NULL) 10059 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10060 PixelGetQuantumPacket(matte,&wand->images->matte_color); 10061 return(MagickTrue); 10062} 10063 10064/* 10065%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10066% % 10067% % 10068% % 10069% M a g i c k S e t I m a g e O p a c i t y % 10070% % 10071% % 10072% % 10073%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10074% 10075% MagickSetImageAlpha() sets the image to the specified alpha level. 10076% 10077% The format of the MagickSetImageAlpha method is: 10078% 10079% MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 10080% const double alpha) 10081% 10082% A description of each parameter follows: 10083% 10084% o wand: the magick wand. 10085% 10086% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 10087% transparent. 10088% 10089*/ 10090WandExport MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 10091 const double alpha) 10092{ 10093 MagickBooleanType 10094 status; 10095 10096 assert(wand != (MagickWand *) NULL); 10097 assert(wand->signature == WandSignature); 10098 if( IfMagickTrue(wand->debug) ) 10099 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10100 10101 if (wand->images == (Image *) NULL) 10102 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10103 status=SetImageAlpha(wand->images,ClampToQuantum(QuantumRange*alpha), 10104 wand->exception); 10105 return(status); 10106} 10107 10108/* 10109%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10110% % 10111% % 10112% % 10113% 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 % 10114% % 10115% % 10116% % 10117%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10118% 10119% MagickSetImageOrientation() sets the image orientation. 10120% 10121% The format of the MagickSetImageOrientation method is: 10122% 10123% MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 10124% const OrientationType orientation) 10125% 10126% A description of each parameter follows: 10127% 10128% o wand: the magick wand. 10129% 10130% o orientation: the image orientation type. 10131% 10132*/ 10133WandExport MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 10134 const OrientationType orientation) 10135{ 10136 assert(wand != (MagickWand *) NULL); 10137 assert(wand->signature == WandSignature); 10138 if( IfMagickTrue(wand->debug) ) 10139 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10140 10141 if (wand->images == (Image *) NULL) 10142 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10143 wand->images->orientation=orientation; 10144 return(MagickTrue); 10145} 10146 10147/* 10148%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10149% % 10150% % 10151% % 10152% M a g i c k S e t I m a g e P a g e % 10153% % 10154% % 10155% % 10156%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10157% 10158% MagickSetImagePage() sets the page geometry of the image. 10159% 10160% The format of the MagickSetImagePage method is: 10161% 10162% MagickBooleanType MagickSetImagePage(MagickWand *wand, 10163% const size_t width,const size_t height,const ssize_t x, 10164% const ssize_t y) 10165% 10166% A description of each parameter follows: 10167% 10168% o wand: the magick wand. 10169% 10170% o width: the page width. 10171% 10172% o height: the page height. 10173% 10174% o x: the page x-offset. 10175% 10176% o y: the page y-offset. 10177% 10178*/ 10179WandExport MagickBooleanType MagickSetImagePage(MagickWand *wand, 10180 const size_t width,const size_t height,const ssize_t x, 10181 const ssize_t y) 10182{ 10183 assert(wand != (MagickWand *) NULL); 10184 assert(wand->signature == WandSignature); 10185 if( IfMagickTrue(wand->debug) ) 10186 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10187 10188 if (wand->images == (Image *) NULL) 10189 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10190 wand->images->page.width=width; 10191 wand->images->page.height=height; 10192 wand->images->page.x=x; 10193 wand->images->page.y=y; 10194 return(MagickTrue); 10195} 10196 10197/* 10198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10199% % 10200% % 10201% % 10202% 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 % 10203% % 10204% % 10205% % 10206%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10207% 10208% MagickSetImageProgressMonitor() sets the wand image progress monitor to the 10209% specified method and returns the previous progress monitor if any. The 10210% progress monitor method looks like this: 10211% 10212% MagickBooleanType MagickProgressMonitor(const char *text, 10213% const MagickOffsetType offset,const MagickSizeType span, 10214% void *client_data) 10215% 10216% If the progress monitor returns MagickFalse, the current operation is 10217% interrupted. 10218% 10219% The format of the MagickSetImageProgressMonitor method is: 10220% 10221% MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand 10222% const MagickProgressMonitor progress_monitor,void *client_data) 10223% 10224% A description of each parameter follows: 10225% 10226% o wand: the magick wand. 10227% 10228% o progress_monitor: Specifies a pointer to a method to monitor progress 10229% of an image operation. 10230% 10231% o client_data: Specifies a pointer to any client data. 10232% 10233*/ 10234WandExport MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand, 10235 const MagickProgressMonitor progress_monitor,void *client_data) 10236{ 10237 MagickProgressMonitor 10238 previous_monitor; 10239 10240 assert(wand != (MagickWand *) NULL); 10241 assert(wand->signature == WandSignature); 10242 if( IfMagickTrue(wand->debug) ) 10243 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10244 10245 if (wand->images == (Image *) NULL) 10246 { 10247 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10248 "ContainsNoImages","'%s'",wand->name); 10249 return((MagickProgressMonitor) NULL); 10250 } 10251 previous_monitor=SetImageProgressMonitor(wand->images, 10252 progress_monitor,client_data); 10253 return(previous_monitor); 10254} 10255 10256/* 10257%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10258% % 10259% % 10260% % 10261% M a g i c k S e t I m a g e R e d P r i m a r y % 10262% % 10263% % 10264% % 10265%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10266% 10267% MagickSetImageRedPrimary() sets the image chromaticity red primary point. 10268% 10269% The format of the MagickSetImageRedPrimary method is: 10270% 10271% MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 10272% const double x,const double y) 10273% 10274% A description of each parameter follows: 10275% 10276% o wand: the magick wand. 10277% 10278% o x: the red primary x-point. 10279% 10280% o y: the red primary y-point. 10281% 10282*/ 10283WandExport MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 10284 const double x,const double y) 10285{ 10286 assert(wand != (MagickWand *) NULL); 10287 assert(wand->signature == WandSignature); 10288 if( IfMagickTrue(wand->debug) ) 10289 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10290 10291 if (wand->images == (Image *) NULL) 10292 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10293 wand->images->chromaticity.red_primary.x=x; 10294 wand->images->chromaticity.red_primary.y=y; 10295 return(MagickTrue); 10296} 10297 10298/* 10299%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10300% % 10301% % 10302% % 10303% 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 % 10304% % 10305% % 10306% % 10307%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10308% 10309% MagickSetImageRenderingIntent() sets the image rendering intent. 10310% 10311% The format of the MagickSetImageRenderingIntent method is: 10312% 10313% MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 10314% const RenderingIntent rendering_intent) 10315% 10316% A description of each parameter follows: 10317% 10318% o wand: the magick wand. 10319% 10320% o rendering_intent: the image rendering intent: UndefinedIntent, 10321% SaturationIntent, PerceptualIntent, AbsoluteIntent, or RelativeIntent. 10322% 10323*/ 10324WandExport MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 10325 const RenderingIntent rendering_intent) 10326{ 10327 assert(wand != (MagickWand *) NULL); 10328 assert(wand->signature == WandSignature); 10329 if( IfMagickTrue(wand->debug) ) 10330 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10331 10332 if (wand->images == (Image *) NULL) 10333 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10334 wand->images->rendering_intent=rendering_intent; 10335 return(MagickTrue); 10336} 10337 10338/* 10339%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10340% % 10341% % 10342% % 10343% M a g i c k S e t I m a g e R e s o l u t i o n % 10344% % 10345% % 10346% % 10347%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10348% 10349% MagickSetImageResolution() sets the image resolution. 10350% 10351% The format of the MagickSetImageResolution method is: 10352% 10353% MagickBooleanType MagickSetImageResolution(MagickWand *wand, 10354% const double x_resolution,const double y_resolution) 10355% 10356% A description of each parameter follows: 10357% 10358% o wand: the magick wand. 10359% 10360% o x_resolution: the image x resolution. 10361% 10362% o y_resolution: the image y resolution. 10363% 10364*/ 10365WandExport MagickBooleanType MagickSetImageResolution(MagickWand *wand, 10366 const double x_resolution,const double y_resolution) 10367{ 10368 assert(wand != (MagickWand *) NULL); 10369 assert(wand->signature == WandSignature); 10370 if( IfMagickTrue(wand->debug) ) 10371 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10372 10373 if (wand->images == (Image *) NULL) 10374 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10375 wand->images->resolution.x=x_resolution; 10376 wand->images->resolution.y=y_resolution; 10377 return(MagickTrue); 10378} 10379 10380/* 10381%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10382% % 10383% % 10384% % 10385% M a g i c k S e t I m a g e S c e n e % 10386% % 10387% % 10388% % 10389%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10390% 10391% MagickSetImageScene() sets the image scene. 10392% 10393% The format of the MagickSetImageScene method is: 10394% 10395% MagickBooleanType MagickSetImageScene(MagickWand *wand, 10396% const size_t scene) 10397% 10398% A description of each parameter follows: 10399% 10400% o wand: the magick wand. 10401% 10402% o delay: the image scene number. 10403% 10404*/ 10405WandExport MagickBooleanType MagickSetImageScene(MagickWand *wand, 10406 const size_t scene) 10407{ 10408 assert(wand != (MagickWand *) NULL); 10409 assert(wand->signature == WandSignature); 10410 if( IfMagickTrue(wand->debug) ) 10411 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10412 10413 if (wand->images == (Image *) NULL) 10414 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10415 wand->images->scene=scene; 10416 return(MagickTrue); 10417} 10418 10419/* 10420%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10421% % 10422% % 10423% % 10424% 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 % 10425% % 10426% % 10427% % 10428%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10429% 10430% MagickSetImageTicksPerSecond() sets the image ticks-per-second. 10431% 10432% The format of the MagickSetImageTicksPerSecond method is: 10433% 10434% MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 10435% const ssize_t ticks_per-second) 10436% 10437% A description of each parameter follows: 10438% 10439% o wand: the magick wand. 10440% 10441% o ticks_per_second: the units to use for the image delay. 10442% 10443*/ 10444WandExport MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 10445 const ssize_t ticks_per_second) 10446{ 10447 assert(wand != (MagickWand *) NULL); 10448 assert(wand->signature == WandSignature); 10449 if( IfMagickTrue(wand->debug) ) 10450 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10451 10452 if (wand->images == (Image *) NULL) 10453 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10454 wand->images->ticks_per_second=ticks_per_second; 10455 return(MagickTrue); 10456} 10457 10458/* 10459%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10460% % 10461% % 10462% % 10463% M a g i c k S e t I m a g e T y p e % 10464% % 10465% % 10466% % 10467%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10468% 10469% MagickSetImageType() sets the image type. 10470% 10471% The format of the MagickSetImageType method is: 10472% 10473% MagickBooleanType MagickSetImageType(MagickWand *wand, 10474% const ImageType image_type) 10475% 10476% A description of each parameter follows: 10477% 10478% o wand: the magick wand. 10479% 10480% o image_type: the image type: UndefinedType, BilevelType, GrayscaleType, 10481% GrayscaleMatteType, PaletteType, PaletteMatteType, TrueColorType, 10482% TrueColorMatteType, ColorSeparationType, ColorSeparationMatteType, 10483% or OptimizeType. 10484% 10485*/ 10486WandExport MagickBooleanType MagickSetImageType(MagickWand *wand, 10487 const ImageType image_type) 10488{ 10489 assert(wand != (MagickWand *) NULL); 10490 assert(wand->signature == WandSignature); 10491 if( IfMagickTrue(wand->debug) ) 10492 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10493 10494 if (wand->images == (Image *) NULL) 10495 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10496 return(SetImageType(wand->images,image_type,wand->exception)); 10497} 10498 10499/* 10500%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10501% % 10502% % 10503% % 10504% M a g i c k S e t I m a g e U n i t s % 10505% % 10506% % 10507% % 10508%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10509% 10510% MagickSetImageUnits() sets the image units of resolution. 10511% 10512% The format of the MagickSetImageUnits method is: 10513% 10514% MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10515% const ResolutionType units) 10516% 10517% A description of each parameter follows: 10518% 10519% o wand: the magick wand. 10520% 10521% o units: the image units of resolution : UndefinedResolution, 10522% PixelsPerInchResolution, or PixelsPerCentimeterResolution. 10523% 10524*/ 10525WandExport MagickBooleanType MagickSetImageUnits(MagickWand *wand, 10526 const ResolutionType units) 10527{ 10528 assert(wand != (MagickWand *) NULL); 10529 assert(wand->signature == WandSignature); 10530 if( IfMagickTrue(wand->debug) ) 10531 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10532 10533 if (wand->images == (Image *) NULL) 10534 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10535 wand->images->units=units; 10536 return(MagickTrue); 10537} 10538 10539/* 10540%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10541% % 10542% % 10543% % 10544% 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 % 10545% % 10546% % 10547% % 10548%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10549% 10550% MagickSetImageVirtualPixelMethod() sets the image virtual pixel method. 10551% 10552% The format of the MagickSetImageVirtualPixelMethod method is: 10553% 10554% VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10555% const VirtualPixelMethod method) 10556% 10557% A description of each parameter follows: 10558% 10559% o wand: the magick wand. 10560% 10561% o method: the image virtual pixel method : UndefinedVirtualPixelMethod, 10562% ConstantVirtualPixelMethod, EdgeVirtualPixelMethod, 10563% MirrorVirtualPixelMethod, or TileVirtualPixelMethod. 10564% 10565*/ 10566WandExport VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 10567 const VirtualPixelMethod method) 10568{ 10569 assert(wand != (MagickWand *) NULL); 10570 assert(wand->signature == WandSignature); 10571 if( IfMagickTrue(wand->debug) ) 10572 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10573 10574 if (wand->images == (Image *) NULL) 10575 return(UndefinedVirtualPixelMethod); 10576 return(SetImageVirtualPixelMethod(wand->images,method,wand->exception)); 10577} 10578 10579/* 10580%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10581% % 10582% % 10583% % 10584% M a g i c k S e t I m a g e W h i t e P o i n t % 10585% % 10586% % 10587% % 10588%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10589% 10590% MagickSetImageWhitePoint() sets the image chromaticity white point. 10591% 10592% The format of the MagickSetImageWhitePoint method is: 10593% 10594% MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10595% const double x,const double y) 10596% 10597% A description of each parameter follows: 10598% 10599% o wand: the magick wand. 10600% 10601% o x: the white x-point. 10602% 10603% o y: the white y-point. 10604% 10605*/ 10606WandExport MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 10607 const double x,const double y) 10608{ 10609 assert(wand != (MagickWand *) NULL); 10610 assert(wand->signature == WandSignature); 10611 if( IfMagickTrue(wand->debug) ) 10612 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10613 10614 if (wand->images == (Image *) NULL) 10615 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10616 wand->images->chromaticity.white_point.x=x; 10617 wand->images->chromaticity.white_point.y=y; 10618 return(MagickTrue); 10619} 10620 10621/* 10622%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10623% % 10624% % 10625% % 10626% M a g i c k S h a d e I m a g e C h a n n e l % 10627% % 10628% % 10629% % 10630%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10631% 10632% MagickShadeImage() shines a distant light on an image to create a 10633% three-dimensional effect. You control the positioning of the light with 10634% azimuth and elevation; azimuth is measured in degrees off the x axis 10635% and elevation is measured in pixels above the Z axis. 10636% 10637% The format of the MagickShadeImage method is: 10638% 10639% MagickBooleanType MagickShadeImage(MagickWand *wand, 10640% const MagickBooleanType gray,const double azimuth, 10641% const double elevation) 10642% 10643% A description of each parameter follows: 10644% 10645% o wand: the magick wand. 10646% 10647% o gray: A value other than zero shades the intensity of each pixel. 10648% 10649% o azimuth, elevation: Define the light source direction. 10650% 10651*/ 10652WandExport MagickBooleanType MagickShadeImage(MagickWand *wand, 10653 const MagickBooleanType gray,const double asimuth,const double elevation) 10654{ 10655 Image 10656 *shade_image; 10657 10658 assert(wand != (MagickWand *) NULL); 10659 assert(wand->signature == WandSignature); 10660 if( IfMagickTrue(wand->debug) ) 10661 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10662 10663 if (wand->images == (Image *) NULL) 10664 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10665 shade_image=ShadeImage(wand->images,gray,asimuth,elevation,wand->exception); 10666 if (shade_image == (Image *) NULL) 10667 return(MagickFalse); 10668 ReplaceImageInList(&wand->images,shade_image); 10669 return(MagickTrue); 10670} 10671 10672/* 10673%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10674% % 10675% % 10676% % 10677% M a g i c k S h a d o w I m a g e % 10678% % 10679% % 10680% % 10681%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10682% 10683% MagickShadowImage() simulates an image shadow. 10684% 10685% The format of the MagickShadowImage method is: 10686% 10687% MagickBooleanType MagickShadowImage(MagickWand *wand,const double alpha, 10688% const double sigma,const ssize_t x,const ssize_t y) 10689% 10690% A description of each parameter follows: 10691% 10692% o wand: the magick wand. 10693% 10694% o alpha: percentage transparency. 10695% 10696% o sigma: the standard deviation of the Gaussian, in pixels. 10697% 10698% o x: the shadow x-offset. 10699% 10700% o y: the shadow y-offset. 10701% 10702*/ 10703WandExport MagickBooleanType MagickShadowImage(MagickWand *wand, 10704 const double alpha,const double sigma,const ssize_t x,const ssize_t y) 10705{ 10706 Image 10707 *shadow_image; 10708 10709 assert(wand != (MagickWand *) NULL); 10710 assert(wand->signature == WandSignature); 10711 if( IfMagickTrue(wand->debug) ) 10712 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10713 10714 if (wand->images == (Image *) NULL) 10715 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10716 shadow_image=ShadowImage(wand->images,alpha,sigma,x,y,wand->exception); 10717 if (shadow_image == (Image *) NULL) 10718 return(MagickFalse); 10719 ReplaceImageInList(&wand->images,shadow_image); 10720 return(MagickTrue); 10721} 10722 10723/* 10724%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10725% % 10726% % 10727% % 10728% M a g i c k S h a r p e n I m a g e % 10729% % 10730% % 10731% % 10732%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10733% 10734% MagickSharpenImage() sharpens an image. We convolve the image with a 10735% Gaussian operator of the given radius and standard deviation (sigma). 10736% For reasonable results, the radius should be larger than sigma. Use a 10737% radius of 0 and MagickSharpenImage() selects a suitable radius for you. 10738% 10739% The format of the MagickSharpenImage method is: 10740% 10741% MagickBooleanType MagickSharpenImage(MagickWand *wand, 10742% const double radius,const double sigma) 10743% 10744% A description of each parameter follows: 10745% 10746% o wand: the magick wand. 10747% 10748% o radius: the radius of the Gaussian, in pixels, not counting the center 10749% pixel. 10750% 10751% o sigma: the standard deviation of the Gaussian, in pixels. 10752% 10753*/ 10754WandExport MagickBooleanType MagickSharpenImage(MagickWand *wand, 10755 const double radius,const double sigma) 10756{ 10757 Image 10758 *sharp_image; 10759 10760 assert(wand != (MagickWand *) NULL); 10761 assert(wand->signature == WandSignature); 10762 if( IfMagickTrue(wand->debug) ) 10763 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10764 10765 if (wand->images == (Image *) NULL) 10766 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10767 sharp_image=SharpenImage(wand->images,radius,sigma,wand->exception); 10768 if (sharp_image == (Image *) NULL) 10769 return(MagickFalse); 10770 ReplaceImageInList(&wand->images,sharp_image); 10771 return(MagickTrue); 10772} 10773 10774/* 10775%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10776% % 10777% % 10778% % 10779% M a g i c k S h a v e I m a g e % 10780% % 10781% % 10782% % 10783%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10784% 10785% MagickShaveImage() shaves pixels from the image edges. It allocates the 10786% memory necessary for the new Image structure and returns a pointer to the 10787% new image. 10788% 10789% The format of the MagickShaveImage method is: 10790% 10791% MagickBooleanType MagickShaveImage(MagickWand *wand, 10792% const size_t columns,const size_t rows) 10793% 10794% A description of each parameter follows: 10795% 10796% o wand: the magick wand. 10797% 10798% o columns: the number of columns in the scaled image. 10799% 10800% o rows: the number of rows in the scaled image. 10801% 10802% 10803*/ 10804WandExport MagickBooleanType MagickShaveImage(MagickWand *wand, 10805 const size_t columns,const size_t rows) 10806{ 10807 Image 10808 *shave_image; 10809 10810 RectangleInfo 10811 shave_info; 10812 10813 assert(wand != (MagickWand *) NULL); 10814 assert(wand->signature == WandSignature); 10815 if( IfMagickTrue(wand->debug) ) 10816 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10817 10818 if (wand->images == (Image *) NULL) 10819 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10820 shave_info.width=columns; 10821 shave_info.height=rows; 10822 shave_info.x=0; 10823 shave_info.y=0; 10824 shave_image=ShaveImage(wand->images,&shave_info,wand->exception); 10825 if (shave_image == (Image *) NULL) 10826 return(MagickFalse); 10827 ReplaceImageInList(&wand->images,shave_image); 10828 return(MagickTrue); 10829} 10830 10831/* 10832%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10833% % 10834% % 10835% % 10836% M a g i c k S h e a r I m a g e % 10837% % 10838% % 10839% % 10840%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10841% 10842% MagickShearImage() slides one edge of an image along the X or Y axis, 10843% creating a parallelogram. An X direction shear slides an edge along the X 10844% axis, while a Y direction shear slides an edge along the Y axis. The amount 10845% of the shear is controlled by a shear angle. For X direction shears, x_shear 10846% is measured relative to the Y axis, and similarly, for Y direction shears 10847% y_shear is measured relative to the X axis. Empty triangles left over from 10848% shearing the image are filled with the background color. 10849% 10850% The format of the MagickShearImage method is: 10851% 10852% MagickBooleanType MagickShearImage(MagickWand *wand, 10853% const PixelWand *background,const double x_shear,const double y_shear) 10854% 10855% A description of each parameter follows: 10856% 10857% o wand: the magick wand. 10858% 10859% o background: the background pixel wand. 10860% 10861% o x_shear: the number of degrees to shear the image. 10862% 10863% o y_shear: the number of degrees to shear the image. 10864% 10865*/ 10866WandExport MagickBooleanType MagickShearImage(MagickWand *wand, 10867 const PixelWand *background,const double x_shear,const double y_shear) 10868{ 10869 Image 10870 *shear_image; 10871 10872 assert(wand != (MagickWand *) NULL); 10873 assert(wand->signature == WandSignature); 10874 if( IfMagickTrue(wand->debug) ) 10875 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10876 10877 if (wand->images == (Image *) NULL) 10878 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10879 PixelGetQuantumPacket(background,&wand->images->background_color); 10880 shear_image=ShearImage(wand->images,x_shear,y_shear,wand->exception); 10881 if (shear_image == (Image *) NULL) 10882 return(MagickFalse); 10883 ReplaceImageInList(&wand->images,shear_image); 10884 return(MagickTrue); 10885} 10886 10887/* 10888%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10889% % 10890% % 10891% % 10892% 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 % 10893% % 10894% % 10895% % 10896%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10897% 10898% MagickSigmoidalContrastImage() adjusts the contrast of an image with a 10899% non-linear sigmoidal contrast algorithm. Increase the contrast of the 10900% image using a sigmoidal transfer function without saturating highlights or 10901% shadows. Contrast indicates how much to increase the contrast (0 is none; 10902% 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in 10903% the resultant image (0 is white; 50% is middle-gray; 100% is black). Set 10904% sharpen to MagickTrue to increase the image contrast otherwise the contrast 10905% is reduced. 10906% 10907% The format of the MagickSigmoidalContrastImage method is: 10908% 10909% MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, 10910% const MagickBooleanType sharpen,const double alpha,const double beta) 10911% 10912% A description of each parameter follows: 10913% 10914% o wand: the magick wand. 10915% 10916% o sharpen: Increase or decrease image contrast. 10917% 10918% o alpha: strength of the contrast, the larger the number the more 10919% 'threshold-like' it becomes. 10920% 10921% o beta: midpoint of the function as a color value 0 to QuantumRange. 10922% 10923*/ 10924WandExport MagickBooleanType MagickSigmoidalContrastImage( 10925 MagickWand *wand,const MagickBooleanType sharpen,const double alpha, 10926 const double beta) 10927{ 10928 MagickBooleanType 10929 status; 10930 10931 assert(wand != (MagickWand *) NULL); 10932 assert(wand->signature == WandSignature); 10933 if( IfMagickTrue(wand->debug) ) 10934 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10935 10936 if (wand->images == (Image *) NULL) 10937 ThrowWandException(WandError,"ContainsNoImages",wand->name); 10938 status=SigmoidalContrastImage(wand->images,sharpen,alpha,beta, 10939 wand->exception); 10940 return(status); 10941} 10942 10943/* 10944%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10945% % 10946% % 10947% % 10948% M a g i c k S i m i l a r i t y I m a g e % 10949% % 10950% % 10951% % 10952%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10953% 10954% MagickSimilarityImage() compares the reference image of the image and 10955% returns the best match offset. In addition, it returns a similarity image 10956% such that an exact match location is completely white and if none of the 10957% pixels match, black, otherwise some gray level in-between. 10958% 10959% The format of the MagickSimilarityImage method is: 10960% 10961% MagickWand *MagickSimilarityImage(MagickWand *wand, 10962% const MagickWand *reference,const MetricType metric, 10963% RectangeInfo *offset,double *similarity) 10964% 10965% A description of each parameter follows: 10966% 10967% o wand: the magick wand. 10968% 10969% o reference: the reference wand. 10970% 10971% o metric: the metric. 10972% 10973% o offset: the best match offset of the reference image within the image. 10974% 10975% o similarity: the computed similarity between the images. 10976% 10977*/ 10978WandExport MagickWand *MagickSimilarityImage(MagickWand *wand, 10979 const MagickWand *reference,const MetricType metric,RectangleInfo *offset, 10980 double *similarity) 10981{ 10982 Image 10983 *similarity_image; 10984 10985 assert(wand != (MagickWand *) NULL); 10986 assert(wand->signature == WandSignature); 10987 if( IfMagickTrue(wand->debug) ) 10988 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 10989 10990 if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) 10991 { 10992 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 10993 "ContainsNoImages","'%s'",wand->name); 10994 return((MagickWand *) NULL); 10995 } 10996 similarity_image=SimilarityImage(wand->images,reference->images,metric,offset, 10997 similarity,wand->exception); 10998 if (similarity_image == (Image *) NULL) 10999 return((MagickWand *) NULL); 11000 return(CloneMagickWandFromImages(wand,similarity_image)); 11001} 11002 11003/* 11004%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11005% % 11006% % 11007% % 11008% M a g i c k S k e t c h I m a g e % 11009% % 11010% % 11011% % 11012%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11013% 11014% MagickSketchImage() simulates a pencil sketch. We convolve the image with 11015% a Gaussian operator of the given radius and standard deviation (sigma). 11016% For reasonable results, radius should be larger than sigma. Use a 11017% radius of 0 and SketchImage() selects a suitable radius for you. 11018% Angle gives the angle of the blurring motion. 11019% 11020% The format of the MagickSketchImage method is: 11021% 11022% MagickBooleanType MagickSketchImage(MagickWand *wand, 11023% const double radius,const double sigma,const double angle) 11024% 11025% A description of each parameter follows: 11026% 11027% o wand: the magick wand. 11028% 11029% o radius: the radius of the Gaussian, in pixels, not counting 11030% the center pixel. 11031% 11032% o sigma: the standard deviation of the Gaussian, in pixels. 11033% 11034% o angle: apply the effect along this angle. 11035% 11036*/ 11037WandExport MagickBooleanType MagickSketchImage(MagickWand *wand, 11038 const double radius,const double sigma,const double angle) 11039{ 11040 Image 11041 *sketch_image; 11042 11043 assert(wand != (MagickWand *) NULL); 11044 assert(wand->signature == WandSignature); 11045 if( IfMagickTrue(wand->debug) ) 11046 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11047 11048 if (wand->images == (Image *) NULL) 11049 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11050 sketch_image=SketchImage(wand->images,radius,sigma,angle,wand->exception); 11051 if (sketch_image == (Image *) NULL) 11052 return(MagickFalse); 11053 ReplaceImageInList(&wand->images,sketch_image); 11054 return(MagickTrue); 11055} 11056 11057/* 11058%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11059% % 11060% % 11061% % 11062% M a g i c k S m u s h I m a g e s % 11063% % 11064% % 11065% % 11066%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11067% 11068% MagickSmushImages() takes all images from the current image pointer to the 11069% end of the image list and smushs them to each other top-to-bottom if the 11070% stack parameter is true, otherwise left-to-right. 11071% 11072% The format of the MagickSmushImages method is: 11073% 11074% MagickWand *MagickSmushImages(MagickWand *wand, 11075% const MagickBooleanType stack,const ssize_t offset) 11076% 11077% A description of each parameter follows: 11078% 11079% o wand: the magick wand. 11080% 11081% o stack: By default, images are stacked left-to-right. Set stack to 11082% MagickTrue to stack them top-to-bottom. 11083% 11084% o offset: minimum distance in pixels between images. 11085% 11086*/ 11087WandExport MagickWand *MagickSmushImages(MagickWand *wand, 11088 const MagickBooleanType stack,const ssize_t offset) 11089{ 11090 Image 11091 *smush_image; 11092 11093 assert(wand != (MagickWand *) NULL); 11094 assert(wand->signature == WandSignature); 11095 if( IfMagickTrue(wand->debug) ) 11096 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11097 11098 if (wand->images == (Image *) NULL) 11099 return((MagickWand *) NULL); 11100 smush_image=SmushImages(wand->images,stack,offset,wand->exception); 11101 if (smush_image == (Image *) NULL) 11102 return((MagickWand *) NULL); 11103 return(CloneMagickWandFromImages(wand,smush_image)); 11104} 11105 11106/* 11107%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11108% % 11109% % 11110% % 11111% M a g i c k S o l a r i z e I m a g e % 11112% % 11113% % 11114% % 11115%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11116% 11117% MagickSolarizeImage() applies a special effect to the image, similar to the 11118% effect achieved in a photo darkroom by selectively exposing areas of photo 11119% sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a 11120% measure of the extent of the solarization. 11121% 11122% The format of the MagickSolarizeImage method is: 11123% 11124% MagickBooleanType MagickSolarizeImage(MagickWand *wand, 11125% const double threshold) 11126% 11127% A description of each parameter follows: 11128% 11129% o wand: the magick wand. 11130% 11131% o threshold: Define the extent of the solarization. 11132% 11133*/ 11134WandExport MagickBooleanType MagickSolarizeImage(MagickWand *wand, 11135 const double threshold) 11136{ 11137 MagickBooleanType 11138 status; 11139 11140 assert(wand != (MagickWand *) NULL); 11141 assert(wand->signature == WandSignature); 11142 if( IfMagickTrue(wand->debug) ) 11143 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11144 11145 if (wand->images == (Image *) NULL) 11146 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11147 status=SolarizeImage(wand->images,threshold,wand->exception); 11148 return(status); 11149} 11150 11151/* 11152%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11153% % 11154% % 11155% % 11156% M a g i c k S p a r s e C o l o r I m a g e % 11157% % 11158% % 11159% % 11160%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11161% 11162% MagickSparseColorImage(), given a set of coordinates, interpolates the 11163% colors found at those coordinates, across the whole image, using various 11164% methods. 11165% 11166% The format of the MagickSparseColorImage method is: 11167% 11168% MagickBooleanType MagickSparseColorImage(MagickWand *wand, 11169% const SparseColorMethod method,const size_t number_arguments, 11170% const double *arguments) 11171% 11172% A description of each parameter follows: 11173% 11174% o image: the image to be sparseed. 11175% 11176% o method: the method of image sparseion. 11177% 11178% ArcSparseColorion will always ignore source image offset, and always 11179% 'bestfit' the destination image with the top left corner offset 11180% relative to the polar mapping center. 11181% 11182% Bilinear has no simple inverse mapping so will not allow 'bestfit' 11183% style of image sparseion. 11184% 11185% Affine, Perspective, and Bilinear, will do least squares fitting of 11186% the distrotion when more than the minimum number of control point 11187% pairs are provided. 11188% 11189% Perspective, and Bilinear, will fall back to a Affine sparseion when 11190% less than 4 control point pairs are provided. While Affine sparseions 11191% will let you use any number of control point pairs, that is Zero pairs 11192% is a No-Op (viewport only) distrotion, one pair is a translation and 11193% two pairs of control points will do a scale-rotate-translate, without 11194% any shearing. 11195% 11196% o number_arguments: the number of arguments given for this sparseion 11197% method. 11198% 11199% o arguments: the arguments for this sparseion method. 11200% 11201*/ 11202WandExport MagickBooleanType MagickSparseColorImage(MagickWand *wand, 11203 const SparseColorMethod method,const size_t number_arguments, 11204 const double *arguments) 11205{ 11206 Image 11207 *sparse_image; 11208 11209 assert(wand != (MagickWand *) NULL); 11210 assert(wand->signature == WandSignature); 11211 if( IfMagickTrue(wand->debug) ) 11212 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11213 11214 if (wand->images == (Image *) NULL) 11215 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11216 sparse_image=SparseColorImage(wand->images,method,number_arguments,arguments, 11217 wand->exception); 11218 if (sparse_image == (Image *) NULL) 11219 return(MagickFalse); 11220 ReplaceImageInList(&wand->images,sparse_image); 11221 return(MagickTrue); 11222} 11223 11224/* 11225%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11226% % 11227% % 11228% % 11229% M a g i c k S p l i c e I m a g e % 11230% % 11231% % 11232% % 11233%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11234% 11235% MagickSpliceImage() splices a solid color into the image. 11236% 11237% The format of the MagickSpliceImage method is: 11238% 11239% MagickBooleanType MagickSpliceImage(MagickWand *wand, 11240% const size_t width,const size_t height,const ssize_t x, 11241% const ssize_t y) 11242% 11243% A description of each parameter follows: 11244% 11245% o wand: the magick wand. 11246% 11247% o width: the region width. 11248% 11249% o height: the region height. 11250% 11251% o x: the region x offset. 11252% 11253% o y: the region y offset. 11254% 11255*/ 11256WandExport MagickBooleanType MagickSpliceImage(MagickWand *wand, 11257 const size_t width,const size_t height,const ssize_t x, 11258 const ssize_t y) 11259{ 11260 Image 11261 *splice_image; 11262 11263 RectangleInfo 11264 splice; 11265 11266 assert(wand != (MagickWand *) NULL); 11267 assert(wand->signature == WandSignature); 11268 if( IfMagickTrue(wand->debug) ) 11269 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11270 11271 if (wand->images == (Image *) NULL) 11272 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11273 splice.width=width; 11274 splice.height=height; 11275 splice.x=x; 11276 splice.y=y; 11277 splice_image=SpliceImage(wand->images,&splice,wand->exception); 11278 if (splice_image == (Image *) NULL) 11279 return(MagickFalse); 11280 ReplaceImageInList(&wand->images,splice_image); 11281 return(MagickTrue); 11282} 11283 11284/* 11285%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11286% % 11287% % 11288% % 11289% M a g i c k S p r e a d I m a g e % 11290% % 11291% % 11292% % 11293%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11294% 11295% MagickSpreadImage() is a special effects method that randomly displaces each 11296% pixel in a block defined by the radius parameter. 11297% 11298% The format of the MagickSpreadImage method is: 11299% 11300% MagickBooleanType MagickSpreadImage(MagickWand *wand,const double radius, 11301% const PixelInterpolateMethod method) 11302% 11303% A description of each parameter follows: 11304% 11305% o wand: the magick wand. 11306% 11307% o radius: Choose a random pixel in a neighborhood of this extent. 11308% 11309% o method: the pixel interpolation method. 11310% 11311*/ 11312WandExport MagickBooleanType MagickSpreadImage(MagickWand *wand, 11313 const double radius,const PixelInterpolateMethod method) 11314{ 11315 Image 11316 *spread_image; 11317 11318 assert(wand != (MagickWand *) NULL); 11319 assert(wand->signature == WandSignature); 11320 if( IfMagickTrue(wand->debug) ) 11321 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11322 11323 if (wand->images == (Image *) NULL) 11324 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11325 spread_image=SpreadImage(wand->images,radius,method,wand->exception); 11326 if (spread_image == (Image *) NULL) 11327 return(MagickFalse); 11328 ReplaceImageInList(&wand->images,spread_image); 11329 return(MagickTrue); 11330} 11331 11332/* 11333%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11334% % 11335% % 11336% % 11337% M a g i c k S t a t i s t i c I m a g e % 11338% % 11339% % 11340% % 11341%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11342% 11343% MagickStatisticImage() replace each pixel with corresponding statistic from 11344% the neighborhood of the specified width and height. 11345% 11346% The format of the MagickStatisticImage method is: 11347% 11348% MagickBooleanType MagickStatisticImage(MagickWand *wand, 11349% const StatisticType type,const double width,const size_t height) 11350% 11351% A description of each parameter follows: 11352% 11353% o wand: the magick wand. 11354% 11355% o type: the statistic type (e.g. median, mode, etc.). 11356% 11357% o width: the width of the pixel neighborhood. 11358% 11359% o height: the height of the pixel neighborhood. 11360% 11361*/ 11362WandExport MagickBooleanType MagickStatisticImage(MagickWand *wand, 11363 const StatisticType type,const size_t width,const size_t height) 11364{ 11365 Image 11366 *statistic_image; 11367 11368 assert(wand != (MagickWand *) NULL); 11369 assert(wand->signature == WandSignature); 11370 if( IfMagickTrue(wand->debug) ) 11371 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11372 11373 if (wand->images == (Image *) NULL) 11374 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11375 statistic_image=StatisticImage(wand->images,type,width,height, 11376 wand->exception); 11377 if (statistic_image == (Image *) NULL) 11378 return(MagickFalse); 11379 ReplaceImageInList(&wand->images,statistic_image); 11380 return(MagickTrue); 11381} 11382 11383/* 11384%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11385% % 11386% % 11387% % 11388% M a g i c k S t e g a n o I m a g e % 11389% % 11390% % 11391% % 11392%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11393% 11394% MagickSteganoImage() hides a digital watermark within the image. 11395% Recover the hidden watermark later to prove that the authenticity of 11396% an image. Offset defines the start position within the image to hide 11397% the watermark. 11398% 11399% The format of the MagickSteganoImage method is: 11400% 11401% MagickWand *MagickSteganoImage(MagickWand *wand, 11402% const MagickWand *watermark_wand,const ssize_t offset) 11403% 11404% A description of each parameter follows: 11405% 11406% o wand: the magick wand. 11407% 11408% o watermark_wand: the watermark wand. 11409% 11410% o offset: Start hiding at this offset into the image. 11411% 11412*/ 11413WandExport MagickWand *MagickSteganoImage(MagickWand *wand, 11414 const MagickWand *watermark_wand,const ssize_t offset) 11415{ 11416 Image 11417 *stegano_image; 11418 11419 assert(wand != (MagickWand *) NULL); 11420 assert(wand->signature == WandSignature); 11421 if( IfMagickTrue(wand->debug) ) 11422 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11423 11424 if ((wand->images == (Image *) NULL) || 11425 (watermark_wand->images == (Image *) NULL)) 11426 { 11427 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11428 "ContainsNoImages","'%s'",wand->name); 11429 return((MagickWand *) NULL); 11430 } 11431 wand->images->offset=offset; 11432 stegano_image=SteganoImage(wand->images,watermark_wand->images, 11433 wand->exception); 11434 if (stegano_image == (Image *) NULL) 11435 return((MagickWand *) NULL); 11436 return(CloneMagickWandFromImages(wand,stegano_image)); 11437} 11438 11439/* 11440%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11441% % 11442% % 11443% % 11444% M a g i c k S t e r e o I m a g e % 11445% % 11446% % 11447% % 11448%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11449% 11450% MagickStereoImage() composites two images and produces a single image that 11451% is the composite of a left and right image of a stereo pair 11452% 11453% The format of the MagickStereoImage method is: 11454% 11455% MagickWand *MagickStereoImage(MagickWand *wand, 11456% const MagickWand *offset_wand) 11457% 11458% A description of each parameter follows: 11459% 11460% o wand: the magick wand. 11461% 11462% o offset_wand: Another image wand. 11463% 11464*/ 11465WandExport MagickWand *MagickStereoImage(MagickWand *wand, 11466 const MagickWand *offset_wand) 11467{ 11468 Image 11469 *stereo_image; 11470 11471 assert(wand != (MagickWand *) NULL); 11472 assert(wand->signature == WandSignature); 11473 if( IfMagickTrue(wand->debug) ) 11474 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11475 11476 if ((wand->images == (Image *) NULL) || 11477 (offset_wand->images == (Image *) NULL)) 11478 { 11479 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11480 "ContainsNoImages","'%s'",wand->name); 11481 return((MagickWand *) NULL); 11482 } 11483 stereo_image=StereoImage(wand->images,offset_wand->images,wand->exception); 11484 if (stereo_image == (Image *) NULL) 11485 return((MagickWand *) NULL); 11486 return(CloneMagickWandFromImages(wand,stereo_image)); 11487} 11488 11489/* 11490%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11491% % 11492% % 11493% % 11494% M a g i c k S t r i p I m a g e % 11495% % 11496% % 11497% % 11498%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11499% 11500% MagickStripImage() strips an image of all profiles and comments. 11501% 11502% The format of the MagickStripImage method is: 11503% 11504% MagickBooleanType MagickStripImage(MagickWand *wand) 11505% 11506% A description of each parameter follows: 11507% 11508% o wand: the magick wand. 11509% 11510*/ 11511WandExport MagickBooleanType MagickStripImage(MagickWand *wand) 11512{ 11513 assert(wand != (MagickWand *) NULL); 11514 assert(wand->signature == WandSignature); 11515 if( IfMagickTrue(wand->debug) ) 11516 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11517 11518 if (wand->images == (Image *) NULL) 11519 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11520 return(StripImage(wand->images,wand->exception)); 11521} 11522 11523/* 11524%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11525% % 11526% % 11527% % 11528% M a g i c k S w i r l I m a g e % 11529% % 11530% % 11531% % 11532%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11533% 11534% MagickSwirlImage() swirls the pixels about the center of the image, where 11535% degrees indicates the sweep of the arc through which each pixel is moved. 11536% You get a more dramatic effect as the degrees move from 1 to 360. 11537% 11538% The format of the MagickSwirlImage method is: 11539% 11540% MagickBooleanType MagickSwirlImage(MagickWand *wand,const double degrees, 11541% const PixelInterpolateMethod method) 11542% 11543% A description of each parameter follows: 11544% 11545% o wand: the magick wand. 11546% 11547% o degrees: Define the tightness of the swirling effect. 11548% 11549% o method: the pixel interpolation method. 11550% 11551*/ 11552WandExport MagickBooleanType MagickSwirlImage(MagickWand *wand, 11553 const double degrees,const PixelInterpolateMethod method) 11554{ 11555 Image 11556 *swirl_image; 11557 11558 assert(wand != (MagickWand *) NULL); 11559 assert(wand->signature == WandSignature); 11560 if( IfMagickTrue(wand->debug) ) 11561 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11562 11563 if (wand->images == (Image *) NULL) 11564 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11565 swirl_image=SwirlImage(wand->images,degrees,method,wand->exception); 11566 if (swirl_image == (Image *) NULL) 11567 return(MagickFalse); 11568 ReplaceImageInList(&wand->images,swirl_image); 11569 return(MagickTrue); 11570} 11571 11572/* 11573%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11574% % 11575% % 11576% % 11577% M a g i c k T e x t u r e I m a g e % 11578% % 11579% % 11580% % 11581%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11582% 11583% MagickTextureImage() repeatedly tiles the texture image across and down the 11584% image canvas. 11585% 11586% The format of the MagickTextureImage method is: 11587% 11588% MagickWand *MagickTextureImage(MagickWand *wand, 11589% const MagickWand *texture_wand) 11590% 11591% A description of each parameter follows: 11592% 11593% o wand: the magick wand. 11594% 11595% o texture_wand: the texture wand 11596% 11597*/ 11598WandExport MagickWand *MagickTextureImage(MagickWand *wand, 11599 const MagickWand *texture_wand) 11600{ 11601 Image 11602 *texture_image; 11603 11604 MagickBooleanType 11605 status; 11606 11607 assert(wand != (MagickWand *) NULL); 11608 assert(wand->signature == WandSignature); 11609 if( IfMagickTrue(wand->debug) ) 11610 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11611 11612 if ((wand->images == (Image *) NULL) || 11613 (texture_wand->images == (Image *) NULL)) 11614 { 11615 (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, 11616 "ContainsNoImages","'%s'",wand->name); 11617 return((MagickWand *) NULL); 11618 } 11619 texture_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11620 if (texture_image == (Image *) NULL) 11621 return((MagickWand *) NULL); 11622 status=TextureImage(texture_image,texture_wand->images,wand->exception); 11623 if( IfMagickFalse(status) ) 11624 { 11625 texture_image=DestroyImage(texture_image); 11626 return((MagickWand *) NULL); 11627 } 11628 return(CloneMagickWandFromImages(wand,texture_image)); 11629} 11630 11631/* 11632%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11633% % 11634% % 11635% % 11636% M a g i c k T h r e s h o l d I m a g e % 11637% % 11638% % 11639% % 11640%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11641% 11642% MagickThresholdImage() changes the value of individual pixels based on 11643% the intensity of each pixel compared to threshold. The result is a 11644% high-contrast, two color image. 11645% 11646% The format of the MagickThresholdImage method is: 11647% 11648% MagickBooleanType MagickThresholdImage(MagickWand *wand, 11649% const double threshold) 11650% MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11651% const ChannelType channel,const double threshold) 11652% 11653% A description of each parameter follows: 11654% 11655% o wand: the magick wand. 11656% 11657% o channel: the image channel(s). 11658% 11659% o threshold: Define the threshold value. 11660% 11661*/ 11662WandExport MagickBooleanType MagickThresholdImage(MagickWand *wand, 11663 const double threshold) 11664{ 11665 MagickBooleanType 11666 status; 11667 11668 status=MagickThresholdImageChannel(wand,DefaultChannels,threshold); 11669 return(status); 11670} 11671 11672WandExport MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 11673 const ChannelType channel,const double threshold) 11674{ 11675 MagickBooleanType 11676 status; 11677 11678 assert(wand != (MagickWand *) NULL); 11679 assert(wand->signature == WandSignature); 11680 if( IfMagickTrue(wand->debug) ) 11681 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11682 11683 if (wand->images == (Image *) NULL) 11684 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11685 status=BilevelImage(wand->images,threshold,wand->exception); 11686 return(status); 11687} 11688 11689/* 11690%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11691% % 11692% % 11693% % 11694% M a g i c k T h u m b n a i l I m a g e % 11695% % 11696% % 11697% % 11698%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11699% 11700% MagickThumbnailImage() changes the size of an image to the given dimensions 11701% and removes any associated profiles. The goal is to produce small low cost 11702% thumbnail images suited for display on the Web. 11703% 11704% The format of the MagickThumbnailImage method is: 11705% 11706% MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11707% const size_t columns,const size_t rows) 11708% 11709% A description of each parameter follows: 11710% 11711% o wand: the magick wand. 11712% 11713% o columns: the number of columns in the scaled image. 11714% 11715% o rows: the number of rows in the scaled image. 11716% 11717*/ 11718WandExport MagickBooleanType MagickThumbnailImage(MagickWand *wand, 11719 const size_t columns,const size_t rows) 11720{ 11721 Image 11722 *thumbnail_image; 11723 11724 assert(wand != (MagickWand *) NULL); 11725 assert(wand->signature == WandSignature); 11726 if( IfMagickTrue(wand->debug) ) 11727 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11728 11729 if (wand->images == (Image *) NULL) 11730 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11731 thumbnail_image=ThumbnailImage(wand->images,columns,rows,wand->exception); 11732 if (thumbnail_image == (Image *) NULL) 11733 return(MagickFalse); 11734 ReplaceImageInList(&wand->images,thumbnail_image); 11735 return(MagickTrue); 11736} 11737 11738/* 11739%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11740% % 11741% % 11742% % 11743% M a g i c k T i n t I m a g e % 11744% % 11745% % 11746% % 11747%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11748% 11749% MagickTintImage() applies a color vector to each pixel in the image. The 11750% length of the vector is 0 for black and white and at its maximum for the 11751% midtones. The vector weighting function is 11752% f(x)=(1-(4.0*((x-0.5)*(x-0.5)))). 11753% 11754% The format of the MagickTintImage method is: 11755% 11756% MagickBooleanType MagickTintImage(MagickWand *wand, 11757% const PixelWand *tint,const PixelWand *blend) 11758% 11759% A description of each parameter follows: 11760% 11761% o wand: the magick wand. 11762% 11763% o tint: the tint pixel wand. 11764% 11765% o alpha: the alpha pixel wand. 11766% 11767*/ 11768WandExport MagickBooleanType MagickTintImage(MagickWand *wand, 11769 const PixelWand *tint,const PixelWand *blend) 11770{ 11771 char 11772 percent_blend[MaxTextExtent]; 11773 11774 Image 11775 *tint_image; 11776 11777 PixelInfo 11778 target; 11779 11780 assert(wand != (MagickWand *) NULL); 11781 assert(wand->signature == WandSignature); 11782 if( IfMagickTrue(wand->debug) ) 11783 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11784 11785 if (wand->images == (Image *) NULL) 11786 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11787 if (wand->images->colorspace != CMYKColorspace) 11788 (void) FormatLocaleString(percent_blend,MaxTextExtent, 11789 "%g,%g,%g,%g",(double) (100.0*QuantumScale* 11790 PixelGetRedQuantum(blend)),(double) (100.0*QuantumScale* 11791 PixelGetGreenQuantum(blend)),(double) (100.0*QuantumScale* 11792 PixelGetBlueQuantum(blend)),(double) (100.0*QuantumScale* 11793 PixelGetAlphaQuantum(blend))); 11794 else 11795 (void) FormatLocaleString(percent_blend,MaxTextExtent, 11796 "%g,%g,%g,%g,%g",(double) (100.0*QuantumScale* 11797 PixelGetCyanQuantum(blend)),(double) (100.0*QuantumScale* 11798 PixelGetMagentaQuantum(blend)),(double) (100.0*QuantumScale* 11799 PixelGetYellowQuantum(blend)),(double) (100.0*QuantumScale* 11800 PixelGetBlackQuantum(blend)),(double) (100.0*QuantumScale* 11801 PixelGetAlphaQuantum(blend))); 11802 target=PixelGetPixel(tint); 11803 tint_image=TintImage(wand->images,percent_blend,&target,wand->exception); 11804 if (tint_image == (Image *) NULL) 11805 return(MagickFalse); 11806 ReplaceImageInList(&wand->images,tint_image); 11807 return(MagickTrue); 11808} 11809 11810/* 11811%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11812% % 11813% % 11814% % 11815% M a g i c k T r a n s f o r m I m a g e % 11816% % 11817% % 11818% % 11819%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11820% 11821% MagickTransformImage() is a convenience method that behaves like 11822% MagickResizeImage() or MagickCropImage() but accepts scaling and/or cropping 11823% information as a region geometry specification. If the operation fails, 11824% a NULL image handle is returned. 11825% 11826% The format of the MagickTransformImage method is: 11827% 11828% MagickWand *MagickTransformImage(MagickWand *wand,const char *crop, 11829% const char *geometry) 11830% 11831% A description of each parameter follows: 11832% 11833% o wand: the magick wand. 11834% 11835% o crop: A crop geometry string. This geometry defines a subregion of the 11836% image to crop. 11837% 11838% o geometry: An image geometry string. This geometry defines the final 11839% size of the image. 11840% 11841*/ 11842WandExport MagickWand *MagickTransformImage(MagickWand *wand, 11843 const char *crop,const char *geometry) 11844{ 11845 Image 11846 *transform_image; 11847 11848 MagickBooleanType 11849 status; 11850 11851 assert(wand != (MagickWand *) NULL); 11852 assert(wand->signature == WandSignature); 11853 if( IfMagickTrue(wand->debug) ) 11854 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11855 11856 11857 if (wand->images == (Image *) NULL) 11858 return((MagickWand *) NULL); 11859 transform_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 11860 if (transform_image == (Image *) NULL) 11861 return((MagickWand *) NULL); 11862 status=TransformImage(&transform_image,crop,geometry,wand->exception); 11863 if( IfMagickFalse(status) ) 11864 { 11865 transform_image=DestroyImage(transform_image); 11866 return((MagickWand *) NULL); 11867 } 11868 return(CloneMagickWandFromImages(wand,transform_image)); 11869} 11870 11871/* 11872%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11873% % 11874% % 11875% % 11876% 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 % 11877% % 11878% % 11879% % 11880%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11881% 11882% MagickTransformImageColorspace() transform the image colorspace, setting 11883% the images colorspace while transforming the images data to that 11884% colorspace. 11885% 11886% The format of the MagickTransformImageColorspace method is: 11887% 11888% MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11889% const ColorspaceType colorspace) 11890% 11891% A description of each parameter follows: 11892% 11893% o wand: the magick wand. 11894% 11895% o colorspace: the image colorspace: UndefinedColorspace, 11896% sRGBColorspace, RGBColorspace, GRAYColorspace, 11897% OHTAColorspace, XYZColorspace, YCbCrColorspace, 11898% YCCColorspace, YIQColorspace, YPbPrColorspace, 11899% YPbPrColorspace, YUVColorspace, CMYKColorspace, 11900% HSLColorspace, HWBColorspace. 11901% 11902*/ 11903WandExport MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 11904 const ColorspaceType colorspace) 11905{ 11906 assert(wand != (MagickWand *) NULL); 11907 assert(wand->signature == WandSignature); 11908 if( IfMagickTrue(wand->debug) ) 11909 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11910 11911 11912 if (wand->images == (Image *) NULL) 11913 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11914 return(TransformImageColorspace(wand->images,colorspace,wand->exception)); 11915} 11916 11917/* 11918%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11919% % 11920% % 11921% % 11922% 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 % 11923% % 11924% % 11925% % 11926%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11927% 11928% MagickTransparentPaintImage() changes any pixel that matches color with the 11929% color defined by fill. 11930% 11931% The format of the MagickTransparentPaintImage method is: 11932% 11933% MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11934% const PixelWand *target,const double alpha,const double fuzz, 11935% const MagickBooleanType invert) 11936% 11937% A description of each parameter follows: 11938% 11939% o wand: the magick wand. 11940% 11941% o target: Change this target color to specified alpha value within 11942% the image. 11943% 11944% o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully 11945% transparent. 11946% 11947% o fuzz: By default target must match a particular pixel color 11948% exactly. However, in many cases two colors may differ by a small amount. 11949% The fuzz member of image defines how much tolerance is acceptable to 11950% consider two colors as the same. For example, set fuzz to 10 and the 11951% color red at intensities of 100 and 102 respectively are now interpreted 11952% as the same color for the purposes of the floodfill. 11953% 11954% o invert: paint any pixel that does not match the target color. 11955% 11956*/ 11957WandExport MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 11958 const PixelWand *target,const double alpha,const double fuzz, 11959 const MagickBooleanType invert) 11960{ 11961 MagickBooleanType 11962 status; 11963 11964 PixelInfo 11965 target_pixel; 11966 11967 assert(wand != (MagickWand *) NULL); 11968 assert(wand->signature == WandSignature); 11969 if( IfMagickTrue(wand->debug) ) 11970 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 11971 11972 11973 if (wand->images == (Image *) NULL) 11974 ThrowWandException(WandError,"ContainsNoImages",wand->name); 11975 PixelGetMagickColor(target,&target_pixel); 11976 wand->images->fuzz=fuzz; 11977 status=TransparentPaintImage(wand->images,&target_pixel,ClampToQuantum( 11978 QuantumRange*alpha),invert,wand->exception); 11979 return(status); 11980} 11981 11982/* 11983%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11984% % 11985% % 11986% % 11987% M a g i c k T r a n s p o s e I m a g e % 11988% % 11989% % 11990% % 11991%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11992% 11993% MagickTransposeImage() creates a vertical mirror image by reflecting the 11994% pixels around the central x-axis while rotating them 90-degrees. 11995% 11996% The format of the MagickTransposeImage method is: 11997% 11998% MagickBooleanType MagickTransposeImage(MagickWand *wand) 11999% 12000% A description of each parameter follows: 12001% 12002% o wand: the magick wand. 12003% 12004*/ 12005WandExport MagickBooleanType MagickTransposeImage(MagickWand *wand) 12006{ 12007 Image 12008 *transpose_image; 12009 12010 assert(wand != (MagickWand *) NULL); 12011 assert(wand->signature == WandSignature); 12012 if( IfMagickTrue(wand->debug) ) 12013 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12014 12015 if (wand->images == (Image *) NULL) 12016 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12017 transpose_image=TransposeImage(wand->images,wand->exception); 12018 if (transpose_image == (Image *) NULL) 12019 return(MagickFalse); 12020 ReplaceImageInList(&wand->images,transpose_image); 12021 return(MagickTrue); 12022} 12023 12024/* 12025%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12026% % 12027% % 12028% % 12029% M a g i c k T r a n s v e r s e I m a g e % 12030% % 12031% % 12032% % 12033%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12034% 12035% MagickTransverseImage() creates a horizontal mirror image by reflecting the 12036% pixels around the central y-axis while rotating them 270-degrees. 12037% 12038% The format of the MagickTransverseImage method is: 12039% 12040% MagickBooleanType MagickTransverseImage(MagickWand *wand) 12041% 12042% A description of each parameter follows: 12043% 12044% o wand: the magick wand. 12045% 12046*/ 12047WandExport MagickBooleanType MagickTransverseImage(MagickWand *wand) 12048{ 12049 Image 12050 *transverse_image; 12051 12052 assert(wand != (MagickWand *) NULL); 12053 assert(wand->signature == WandSignature); 12054 if( IfMagickTrue(wand->debug) ) 12055 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12056 12057 if (wand->images == (Image *) NULL) 12058 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12059 transverse_image=TransverseImage(wand->images,wand->exception); 12060 if (transverse_image == (Image *) NULL) 12061 return(MagickFalse); 12062 ReplaceImageInList(&wand->images,transverse_image); 12063 return(MagickTrue); 12064} 12065 12066/* 12067%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12068% % 12069% % 12070% % 12071% M a g i c k T r i m I m a g e % 12072% % 12073% % 12074% % 12075%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12076% 12077% MagickTrimImage() remove edges that are the background color from the image. 12078% 12079% The format of the MagickTrimImage method is: 12080% 12081% MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 12082% 12083% A description of each parameter follows: 12084% 12085% o wand: the magick wand. 12086% 12087% o fuzz: By default target must match a particular pixel color 12088% exactly. However, in many cases two colors may differ by a small amount. 12089% The fuzz member of image defines how much tolerance is acceptable to 12090% consider two colors as the same. For example, set fuzz to 10 and the 12091% color red at intensities of 100 and 102 respectively are now interpreted 12092% as the same color for the purposes of the floodfill. 12093% 12094*/ 12095WandExport MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 12096{ 12097 Image 12098 *trim_image; 12099 12100 assert(wand != (MagickWand *) NULL); 12101 assert(wand->signature == WandSignature); 12102 if( IfMagickTrue(wand->debug) ) 12103 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12104 12105 if (wand->images == (Image *) NULL) 12106 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12107 wand->images->fuzz=fuzz; 12108 trim_image=TrimImage(wand->images,wand->exception); 12109 if (trim_image == (Image *) NULL) 12110 return(MagickFalse); 12111 ReplaceImageInList(&wand->images,trim_image); 12112 return(MagickTrue); 12113} 12114 12115/* 12116%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12117% % 12118% % 12119% % 12120% M a g i c k U n i q u e I m a g e C o l o r s % 12121% % 12122% % 12123% % 12124%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12125% 12126% MagickUniqueImageColors() discards all but one of any pixel color. 12127% 12128% The format of the MagickUniqueImageColors method is: 12129% 12130% MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 12131% 12132% A description of each parameter follows: 12133% 12134% o wand: the magick wand. 12135% 12136*/ 12137WandExport MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 12138{ 12139 Image 12140 *unique_image; 12141 12142 assert(wand != (MagickWand *) NULL); 12143 assert(wand->signature == WandSignature); 12144 if( IfMagickTrue(wand->debug) ) 12145 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12146 12147 if (wand->images == (Image *) NULL) 12148 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12149 unique_image=UniqueImageColors(wand->images,wand->exception); 12150 if (unique_image == (Image *) NULL) 12151 return(MagickFalse); 12152 ReplaceImageInList(&wand->images,unique_image); 12153 return(MagickTrue); 12154} 12155 12156/* 12157%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12158% % 12159% % 12160% % 12161% M a g i c k U n s h a r p M a s k I m a g e % 12162% % 12163% % 12164% % 12165%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12166% 12167% MagickUnsharpMaskImage() sharpens an image. We convolve the image with a 12168% Gaussian operator of the given radius and standard deviation (sigma). 12169% For reasonable results, radius should be larger than sigma. Use a radius 12170% of 0 and UnsharpMaskImage() selects a suitable radius for you. 12171% 12172% The format of the MagickUnsharpMaskImage method is: 12173% 12174% MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 12175% const double radius,const double sigma,const double amount, 12176% const double threshold) 12177% 12178% A description of each parameter follows: 12179% 12180% o wand: the magick wand. 12181% 12182% o radius: the radius of the Gaussian, in pixels, not counting the center 12183% pixel. 12184% 12185% o sigma: the standard deviation of the Gaussian, in pixels. 12186% 12187% o amount: the percentage of the difference between the original and the 12188% blur image that is added back into the original. 12189% 12190% o threshold: the threshold in pixels needed to apply the diffence amount. 12191% 12192*/ 12193WandExport MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 12194 const double radius,const double sigma,const double amount, 12195 const double threshold) 12196{ 12197 Image 12198 *unsharp_image; 12199 12200 assert(wand != (MagickWand *) NULL); 12201 assert(wand->signature == WandSignature); 12202 if( IfMagickTrue(wand->debug) ) 12203 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12204 12205 if (wand->images == (Image *) NULL) 12206 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12207 unsharp_image=UnsharpMaskImage(wand->images,radius,sigma,amount,threshold, 12208 wand->exception); 12209 if (unsharp_image == (Image *) NULL) 12210 return(MagickFalse); 12211 ReplaceImageInList(&wand->images,unsharp_image); 12212 return(MagickTrue); 12213} 12214 12215/* 12216%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12217% % 12218% % 12219% % 12220% M a g i c k V i g n e t t e I m a g e % 12221% % 12222% % 12223% % 12224%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12225% 12226% MagickVignetteImage() softens the edges of the image in vignette style. 12227% 12228% The format of the MagickVignetteImage method is: 12229% 12230% MagickBooleanType MagickVignetteImage(MagickWand *wand, 12231% const double radius,const double sigma,const ssize_t x, 12232% const ssize_t y) 12233% 12234% A description of each parameter follows: 12235% 12236% o wand: the magick wand. 12237% 12238% o radius: the radius. 12239% 12240% o sigma: the sigma. 12241% 12242% o x, y: Define the x and y ellipse offset. 12243% 12244*/ 12245WandExport MagickBooleanType MagickVignetteImage(MagickWand *wand, 12246 const double radius,const double sigma,const ssize_t x,const ssize_t y) 12247{ 12248 Image 12249 *vignette_image; 12250 12251 assert(wand != (MagickWand *) NULL); 12252 assert(wand->signature == WandSignature); 12253 if( IfMagickTrue(wand->debug) ) 12254 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12255 12256 if (wand->images == (Image *) NULL) 12257 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12258 vignette_image=VignetteImage(wand->images,radius,sigma,x,y,wand->exception); 12259 if (vignette_image == (Image *) NULL) 12260 return(MagickFalse); 12261 ReplaceImageInList(&wand->images,vignette_image); 12262 return(MagickTrue); 12263} 12264 12265/* 12266%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12267% % 12268% % 12269% % 12270% M a g i c k W a v e I m a g e % 12271% % 12272% % 12273% % 12274%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12275% 12276% MagickWaveImage() creates a "ripple" effect in the image by shifting 12277% the pixels vertically along a sine wave whose amplitude and wavelength 12278% is specified by the given parameters. 12279% 12280% The format of the MagickWaveImage method is: 12281% 12282% MagickBooleanType MagickWaveImage(MagickWand *wand, 12283% const double amplitude,const double wave_length, 12284% const PixelInterpolateMethod method) 12285% 12286% A description of each parameter follows: 12287% 12288% o wand: the magick wand. 12289% 12290% o amplitude, wave_length: Define the amplitude and wave length of the 12291% sine wave. 12292% 12293% o method: the pixel interpolation method. 12294% 12295*/ 12296WandExport MagickBooleanType MagickWaveImage(MagickWand *wand, 12297 const double amplitude,const double wave_length, 12298 const PixelInterpolateMethod method) 12299{ 12300 Image 12301 *wave_image; 12302 12303 assert(wand != (MagickWand *) NULL); 12304 assert(wand->signature == WandSignature); 12305 if( IfMagickTrue(wand->debug) ) 12306 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12307 12308 if (wand->images == (Image *) NULL) 12309 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12310 wave_image=WaveImage(wand->images,amplitude,wave_length,method, 12311 wand->exception); 12312 if (wave_image == (Image *) NULL) 12313 return(MagickFalse); 12314 ReplaceImageInList(&wand->images,wave_image); 12315 return(MagickTrue); 12316} 12317 12318/* 12319%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12320% % 12321% % 12322% % 12323% 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 % 12324% % 12325% % 12326% % 12327%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12328% 12329% MagickWhiteThresholdImage() is like ThresholdImage() but force all pixels 12330% above the threshold into white while leaving all pixels below the threshold 12331% unchanged. 12332% 12333% The format of the MagickWhiteThresholdImage method is: 12334% 12335% MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 12336% const PixelWand *threshold) 12337% 12338% A description of each parameter follows: 12339% 12340% o wand: the magick wand. 12341% 12342% o threshold: the pixel wand. 12343% 12344*/ 12345WandExport MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 12346 const PixelWand *threshold) 12347{ 12348 char 12349 thresholds[MaxTextExtent]; 12350 12351 assert(wand != (MagickWand *) NULL); 12352 assert(wand->signature == WandSignature); 12353 if( IfMagickTrue(wand->debug) ) 12354 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12355 12356 if (wand->images == (Image *) NULL) 12357 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12358 (void) FormatLocaleString(thresholds,MaxTextExtent, 12359 QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, 12360 PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), 12361 PixelGetBlueQuantum(threshold),PixelGetAlphaQuantum(threshold)); 12362 return(WhiteThresholdImage(wand->images,thresholds,wand->exception)); 12363} 12364 12365/* 12366%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12367% % 12368% % 12369% % 12370% M a g i c k W r i t e I m a g e % 12371% % 12372% % 12373% % 12374%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12375% 12376% MagickWriteImage() writes an image to the specified filename. If the 12377% filename parameter is NULL, the image is written to the filename set 12378% by MagickReadImage() or MagickSetImageFilename(). 12379% 12380% The format of the MagickWriteImage method is: 12381% 12382% MagickBooleanType MagickWriteImage(MagickWand *wand, 12383% const char *filename) 12384% 12385% A description of each parameter follows: 12386% 12387% o wand: the magick wand. 12388% 12389% o filename: the image filename. 12390% 12391% 12392*/ 12393WandExport MagickBooleanType MagickWriteImage(MagickWand *wand, 12394 const char *filename) 12395{ 12396 Image 12397 *image; 12398 12399 ImageInfo 12400 *write_info; 12401 12402 MagickBooleanType 12403 status; 12404 12405 assert(wand != (MagickWand *) NULL); 12406 assert(wand->signature == WandSignature); 12407 if( IfMagickTrue(wand->debug) ) 12408 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12409 12410 if (wand->images == (Image *) NULL) 12411 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12412 if (filename != (const char *) NULL) 12413 (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); 12414 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 12415 if (image == (Image *) NULL) 12416 return(MagickFalse); 12417 write_info=CloneImageInfo(wand->image_info); 12418 write_info->adjoin=MagickTrue; 12419 status=WriteImage(write_info,image,wand->exception); 12420 image=DestroyImage(image); 12421 write_info=DestroyImageInfo(write_info); 12422 return(status); 12423} 12424 12425/* 12426%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12427% % 12428% % 12429% % 12430% M a g i c k W r i t e I m a g e F i l e % 12431% % 12432% % 12433% % 12434%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12435% 12436% MagickWriteImageFile() writes an image to an open file descriptor. 12437% 12438% The format of the MagickWriteImageFile method is: 12439% 12440% MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 12441% 12442% A description of each parameter follows: 12443% 12444% o wand: the magick wand. 12445% 12446% o file: the file descriptor. 12447% 12448*/ 12449WandExport MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 12450{ 12451 Image 12452 *image; 12453 12454 ImageInfo 12455 *write_info; 12456 12457 MagickBooleanType 12458 status; 12459 12460 assert(wand != (MagickWand *) NULL); 12461 assert(wand->signature == WandSignature); 12462 assert(file != (FILE *) NULL); 12463 if( IfMagickTrue(wand->debug) ) 12464 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12465 12466 if (wand->images == (Image *) NULL) 12467 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12468 image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); 12469 if (image == (Image *) NULL) 12470 return(MagickFalse); 12471 write_info=CloneImageInfo(wand->image_info); 12472 SetImageInfoFile(write_info,file); 12473 write_info->adjoin=MagickTrue; 12474 status=WriteImage(write_info,image,wand->exception); 12475 write_info=DestroyImageInfo(write_info); 12476 image=DestroyImage(image); 12477 return(status); 12478} 12479 12480/* 12481%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12482% % 12483% % 12484% % 12485% M a g i c k W r i t e I m a g e s % 12486% % 12487% % 12488% % 12489%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12490% 12491% MagickWriteImages() writes an image or image sequence. 12492% 12493% The format of the MagickWriteImages method is: 12494% 12495% MagickBooleanType MagickWriteImages(MagickWand *wand, 12496% const char *filename,const MagickBooleanType adjoin) 12497% 12498% A description of each parameter follows: 12499% 12500% o wand: the magick wand. 12501% 12502% o filename: the image filename. 12503% 12504% o adjoin: join images into a single multi-image file. 12505% 12506*/ 12507WandExport MagickBooleanType MagickWriteImages(MagickWand *wand, 12508 const char *filename,const MagickBooleanType adjoin) 12509{ 12510 ImageInfo 12511 *write_info; 12512 12513 MagickBooleanType 12514 status; 12515 12516 assert(wand != (MagickWand *) NULL); 12517 assert(wand->signature == WandSignature); 12518 if( IfMagickTrue(wand->debug) ) 12519 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12520 12521 if (wand->images == (Image *) NULL) 12522 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12523 write_info=CloneImageInfo(wand->image_info); 12524 write_info->adjoin=adjoin; 12525 status=WriteImages(write_info,wand->images,filename,wand->exception); 12526 write_info=DestroyImageInfo(write_info); 12527 return(status); 12528} 12529 12530/* 12531%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12532% % 12533% % 12534% % 12535% M a g i c k W r i t e I m a g e s F i l e % 12536% % 12537% % 12538% % 12539%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12540% 12541% MagickWriteImagesFile() writes an image sequence to an open file descriptor. 12542% 12543% The format of the MagickWriteImagesFile method is: 12544% 12545% MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12546% 12547% A description of each parameter follows: 12548% 12549% o wand: the magick wand. 12550% 12551% o file: the file descriptor. 12552% 12553*/ 12554WandExport MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 12555{ 12556 ImageInfo 12557 *write_info; 12558 12559 MagickBooleanType 12560 status; 12561 12562 assert(wand != (MagickWand *) NULL); 12563 assert(wand->signature == WandSignature); 12564 if( IfMagickTrue(wand->debug) ) 12565 (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); 12566 12567 if (wand->images == (Image *) NULL) 12568 ThrowWandException(WandError,"ContainsNoImages",wand->name); 12569 write_info=CloneImageInfo(wand->image_info); 12570 SetImageInfoFile(write_info,file); 12571 write_info->adjoin=MagickTrue; 12572 status=WriteImages(write_info,wand->images,(const char *) NULL, 12573 wand->exception); 12574 write_info=DestroyImageInfo(write_info); 12575 return(status); 12576} 12577