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cristy3ed852e2009-09-05 21:47:34 +00001// This may look like C code, but it is really -*- C++ -*-
2//
3// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2003
4//
5// Implementation of Image
6//
7
8#define MAGICKCORE_IMPLEMENTATION 1
9#define MAGICK_PLUSPLUS_IMPLEMENTATION 1
10
cristy3ed852e2009-09-05 21:47:34 +000011#include <cstdlib>
12#include <string>
13#include <string.h>
14#include <errno.h>
15#include <math.h>
cristy4c08aed2011-07-01 19:47:50 +000016#include "Magick++/Include.h"
cristy3ed852e2009-09-05 21:47:34 +000017
18using namespace std;
19
20#include "Magick++/Image.h"
21#include "Magick++/Functions.h"
22#include "Magick++/Pixels.h"
23#include "Magick++/Options.h"
24#include "Magick++/ImageRef.h"
25
26#define AbsoluteValue(x) ((x) < 0 ? -(x) : (x))
cristy3ed852e2009-09-05 21:47:34 +000027#define DegreesToRadians(x) (MagickPI*(x)/180.0)
28
cristyaf1dd252011-09-07 19:04:02 +000029MagickPPExport const char *Magick::borderGeometryDefault = "6x6+0+0";
30MagickPPExport const char *Magick::frameGeometryDefault = "25x25+6+6";
31MagickPPExport const char *Magick::raiseGeometryDefault = "6x6+0+0";
cristy3ed852e2009-09-05 21:47:34 +000032
33static bool magick_initialized=false;
34
35//
36// Explicit template instantiations
37//
38
39//
40// Friend functions to compare Image objects
41//
42
cristyaf1dd252011-09-07 19:04:02 +000043MagickPPExport int Magick::operator == ( const Magick::Image& left_,
cristy3ed852e2009-09-05 21:47:34 +000044 const Magick::Image& right_ )
45{
46 // If image pixels and signature are the same, then the image is identical
47 return ( ( left_.rows() == right_.rows() ) &&
48 ( left_.columns() == right_.columns() ) &&
49 ( left_.signature() == right_.signature() )
50 );
51}
cristyaf1dd252011-09-07 19:04:02 +000052MagickPPExport int Magick::operator != ( const Magick::Image& left_,
cristy3ed852e2009-09-05 21:47:34 +000053 const Magick::Image& right_ )
54{
55 return ( ! (left_ == right_) );
56}
cristyaf1dd252011-09-07 19:04:02 +000057MagickPPExport int Magick::operator > ( const Magick::Image& left_,
cristy3ed852e2009-09-05 21:47:34 +000058 const Magick::Image& right_ )
59{
60 return ( !( left_ < right_ ) && ( left_ != right_ ) );
61}
cristyaf1dd252011-09-07 19:04:02 +000062MagickPPExport int Magick::operator < ( const Magick::Image& left_,
cristy3ed852e2009-09-05 21:47:34 +000063 const Magick::Image& right_ )
64{
65 // If image pixels are less, then image is smaller
66 return ( ( left_.rows() * left_.columns() ) <
67 ( right_.rows() * right_.columns() )
68 );
69}
cristyaf1dd252011-09-07 19:04:02 +000070MagickPPExport int Magick::operator >= ( const Magick::Image& left_,
cristy3ed852e2009-09-05 21:47:34 +000071 const Magick::Image& right_ )
72{
73 return ( ( left_ > right_ ) || ( left_ == right_ ) );
74}
cristyaf1dd252011-09-07 19:04:02 +000075MagickPPExport int Magick::operator <= ( const Magick::Image& left_,
cristy3ed852e2009-09-05 21:47:34 +000076 const Magick::Image& right_ )
77{
78 return ( ( left_ < right_ ) || ( left_ == right_ ) );
79}
80
81//
82// Image object implementation
83//
84
85// Construct from image file or image specification
86Magick::Image::Image( const std::string &imageSpec_ )
87 : _imgRef(new ImageRef)
88{
89 try
90 {
91 // Initialize, Allocate and Read images
92 read( imageSpec_ );
93 }
94 catch ( const Warning & /*warning_*/ )
95 {
96 // FIXME: need a way to report warnings in constructor
97 }
98 catch ( const Error & /*error_*/ )
99 {
100 // Release resources
101 delete _imgRef;
102 throw;
103 }
104}
105
106// Construct a blank image canvas of specified size and color
107Magick::Image::Image( const Geometry &size_,
108 const Color &color_ )
109 : _imgRef(new ImageRef)
110{
111 // xc: prefix specifies an X11 color string
112 std::string imageSpec("xc:");
113 imageSpec += color_;
114
115 try
116 {
117 // Set image size
118 size( size_ );
119
120 // Initialize, Allocate and Read images
121 read( imageSpec );
122 }
123 catch ( const Warning & /*warning_*/ )
124 {
125 // FIXME: need a way to report warnings in constructor
126 }
127 catch ( const Error & /*error_*/ )
128 {
129 // Release resources
130 delete _imgRef;
131 throw;
132 }
133}
134
135// Construct Image from in-memory BLOB
136Magick::Image::Image ( const Blob &blob_ )
137 : _imgRef(new ImageRef)
138{
139 try
140 {
141 // Initialize, Allocate and Read images
142 read( blob_ );
143 }
144 catch ( const Warning & /*warning_*/ )
145 {
146 // FIXME: need a way to report warnings in constructor
147 }
148 catch ( const Error & /*error_*/ )
149 {
150 // Release resources
151 delete _imgRef;
152 throw;
153 }
154}
155
156// Construct Image of specified size from in-memory BLOB
157Magick::Image::Image ( const Blob &blob_,
158 const Geometry &size_ )
159 : _imgRef(new ImageRef)
160{
161 try
162 {
163 // Read from Blob
164 read( blob_, size_ );
165 }
166 catch ( const Warning & /*warning_*/ )
167 {
168 // FIXME: need a way to report warnings in constructor
169 }
170 catch ( const Error & /*error_*/ )
171 {
172 // Release resources
173 delete _imgRef;
174 throw;
175 }
176}
177
178// Construct Image of specified size and depth from in-memory BLOB
179Magick::Image::Image ( const Blob &blob_,
180 const Geometry &size_,
cristyeaedf062010-05-29 22:36:02 +0000181 const size_t depth_ )
cristy3ed852e2009-09-05 21:47:34 +0000182 : _imgRef(new ImageRef)
183{
184 try
185 {
186 // Read from Blob
187 read( blob_, size_, depth_ );
188 }
189 catch ( const Warning & /*warning_*/ )
190 {
191 // FIXME: need a way to report warnings in constructor
192 }
193 catch ( const Error & /*error_*/ )
194 {
195 // Release resources
196 delete _imgRef;
197 throw;
198 }
199}
200
201// Construct Image of specified size, depth, and format from in-memory BLOB
202Magick::Image::Image ( const Blob &blob_,
203 const Geometry &size_,
cristyeaedf062010-05-29 22:36:02 +0000204 const size_t depth_,
cristy3ed852e2009-09-05 21:47:34 +0000205 const std::string &magick_ )
206 : _imgRef(new ImageRef)
207{
208 try
209 {
210 // Read from Blob
211 read( blob_, size_, depth_, magick_ );
212 }
213 catch ( const Warning & /*warning_*/ )
214 {
215 // FIXME: need a way to report warnings in constructor
216 }
217 catch ( const Error & /*error_*/ )
218 {
219 // Release resources
220 delete _imgRef;
221 throw;
222 }
223}
224
225// Construct Image of specified size, and format from in-memory BLOB
226Magick::Image::Image ( const Blob &blob_,
227 const Geometry &size_,
228 const std::string &magick_ )
229 : _imgRef(new ImageRef)
230{
231 try
232 {
233 // Read from Blob
234 read( blob_, size_, magick_ );
235 }
236 catch ( const Warning & /*warning_*/ )
237 {
238 // FIXME: need a way to report warnings in constructor
239 }
240 catch ( const Error & /*error_*/ )
241 {
242 // Release resources
243 delete _imgRef;
244 throw;
245 }
246}
247
248// Construct an image based on an array of raw pixels, of specified
249// type and mapping, in memory
cristyeaedf062010-05-29 22:36:02 +0000250Magick::Image::Image ( const size_t width_,
251 const size_t height_,
cristy3ed852e2009-09-05 21:47:34 +0000252 const std::string &map_,
253 const StorageType type_,
254 const void *pixels_ )
255 : _imgRef(new ImageRef)
256{
257 try
258 {
259 read( width_, height_, map_.c_str(), type_, pixels_ );
260 }
261 catch ( const Warning & /*warning_*/ )
262 {
263 // FIXME: need a way to report warnings in constructor
264 }
265 catch ( const Error & /*error_*/ )
266 {
267 // Release resources
268 delete _imgRef;
269 throw;
270 }
271}
272
273// Default constructor
274Magick::Image::Image( void )
275 : _imgRef(new ImageRef)
276{
277}
278
279// Destructor
280/* virtual */
281Magick::Image::~Image()
282{
283 bool doDelete = false;
284 {
285 Lock( &_imgRef->_mutexLock );
286 if ( --_imgRef->_refCount == 0 )
287 doDelete = true;
288 }
289
290 if ( doDelete )
291 {
292 delete _imgRef;
293 }
294 _imgRef = 0;
295}
296
297// Adaptive-blur image
298void Magick::Image::adaptiveBlur( const double radius_, const double sigma_ )
299{
300 ExceptionInfo exceptionInfo;
301 GetExceptionInfo( &exceptionInfo );
302 MagickCore::Image* newImage =
cristy4c11c2b2011-09-05 20:17:07 +0000303 AdaptiveBlurImage( image(), radius_, sigma_, image()->bias, &exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +0000304 replaceImage( newImage );
305 throwException( exceptionInfo );
306 (void) DestroyExceptionInfo( &exceptionInfo );
307}
308
309// Local adaptive threshold image
310// http://www.dai.ed.ac.uk/HIPR2/adpthrsh.htm
311// Width x height define the size of the pixel neighborhood
312// offset = constant to subtract from pixel neighborhood mean
cristyeaedf062010-05-29 22:36:02 +0000313void Magick::Image::adaptiveThreshold ( const size_t width_,
314 const size_t height_,
cristy4e0eef02010-05-30 21:52:21 +0000315 const ssize_t offset_ )
cristy3ed852e2009-09-05 21:47:34 +0000316{
317 ExceptionInfo exceptionInfo;
318 GetExceptionInfo( &exceptionInfo );
319 MagickCore::Image* newImage =
320 AdaptiveThresholdImage( constImage(), width_, height_, offset_, &exceptionInfo );
321 replaceImage( newImage );
322 throwException( exceptionInfo );
323 (void) DestroyExceptionInfo( &exceptionInfo );
324}
325
326// Add noise to image
327void Magick::Image::addNoise( const NoiseType noiseType_ )
328{
329 ExceptionInfo exceptionInfo;
330 GetExceptionInfo( &exceptionInfo );
331 MagickCore::Image* newImage =
332 AddNoiseImage ( image(),
333 noiseType_,
334 &exceptionInfo );
335 replaceImage( newImage );
336 throwException( exceptionInfo );
337 (void) DestroyExceptionInfo( &exceptionInfo );
338}
339
340void Magick::Image::addNoiseChannel( const ChannelType channel_,
341 const NoiseType noiseType_ )
342{
343 ExceptionInfo exceptionInfo;
344 GetExceptionInfo( &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +0000345 ChannelType channel_mask = SetPixelChannelMask( image(), channel_);
cristy3ed852e2009-09-05 21:47:34 +0000346 MagickCore::Image* newImage =
cristy490408a2011-07-07 14:42:05 +0000347 AddNoiseImage ( image(),
cristy3ed852e2009-09-05 21:47:34 +0000348 noiseType_,
349 &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +0000350 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +0000351 replaceImage( newImage );
352 throwException( exceptionInfo );
353 (void) DestroyExceptionInfo( &exceptionInfo );
354}
355
356// Affine Transform image
357void Magick::Image::affineTransform ( const DrawableAffine &affine_ )
358{
359 ExceptionInfo exceptionInfo;
360 GetExceptionInfo( &exceptionInfo );
361
362 AffineMatrix _affine;
363 _affine.sx = affine_.sx();
364 _affine.sy = affine_.sy();
365 _affine.rx = affine_.rx();
366 _affine.ry = affine_.ry();
367 _affine.tx = affine_.tx();
368 _affine.ty = affine_.ty();
369
370 MagickCore::Image* newImage =
371 AffineTransformImage( image(), &_affine, &exceptionInfo);
372 replaceImage( newImage );
373 throwException( exceptionInfo );
374 (void) DestroyExceptionInfo( &exceptionInfo );
375}
376
377// Annotate using specified text, and placement location
378void Magick::Image::annotate ( const std::string &text_,
379 const Geometry &location_ )
380{
381 annotate ( text_, location_, NorthWestGravity, 0.0 );
382}
383// Annotate using specified text, bounding area, and placement gravity
384void Magick::Image::annotate ( const std::string &text_,
385 const Geometry &boundingArea_,
386 const GravityType gravity_ )
387{
388 annotate ( text_, boundingArea_, gravity_, 0.0 );
389}
390// Annotate with text using specified text, bounding area, placement
391// gravity, and rotation.
392void Magick::Image::annotate ( const std::string &text_,
393 const Geometry &boundingArea_,
394 const GravityType gravity_,
395 const double degrees_ )
396{
397 modifyImage();
398
399 DrawInfo *drawInfo
400 = options()->drawInfo();
401
402 drawInfo->text = const_cast<char *>(text_.c_str());
403
404 char boundingArea[MaxTextExtent];
405
406 drawInfo->geometry = 0;
407 if ( boundingArea_.isValid() ){
408 if ( boundingArea_.width() == 0 || boundingArea_.height() == 0 )
409 {
cristyb51dff52011-05-19 16:55:47 +0000410 FormatLocaleString( boundingArea, MaxTextExtent, "%+.20g%+.20g",
cristyfe0019b2010-06-07 02:23:32 +0000411 (double) boundingArea_.xOff(), (double) boundingArea_.yOff() );
cristy3ed852e2009-09-05 21:47:34 +0000412 }
413 else
414 {
415 (void) CopyMagickString( boundingArea, string(boundingArea_).c_str(),
416 MaxTextExtent);
417 }
418 drawInfo->geometry = boundingArea;
419 }
420
421 drawInfo->gravity = gravity_;
422
423 AffineMatrix oaffine = drawInfo->affine;
424 if ( degrees_ != 0.0)
425 {
426 AffineMatrix affine;
427 affine.sx=1.0;
428 affine.rx=0.0;
429 affine.ry=0.0;
430 affine.sy=1.0;
431 affine.tx=0.0;
432 affine.ty=0.0;
433
434 AffineMatrix current = drawInfo->affine;
435 affine.sx=cos(DegreesToRadians(fmod(degrees_,360.0)));
436 affine.rx=sin(DegreesToRadians(fmod(degrees_,360.0)));
437 affine.ry=(-sin(DegreesToRadians(fmod(degrees_,360.0))));
438 affine.sy=cos(DegreesToRadians(fmod(degrees_,360.0)));
439
440 drawInfo->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
441 drawInfo->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
442 drawInfo->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
443 drawInfo->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
444 drawInfo->affine.tx=current.sx*affine.tx+current.ry*affine.ty
445 +current.tx;
446 }
447
cristy5cbc0162011-08-29 00:36:28 +0000448 ExceptionInfo exceptionInfo;
449 GetExceptionInfo( &exceptionInfo );
450 AnnotateImage( image(), drawInfo, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000451
452 // Restore original values
453 drawInfo->affine = oaffine;
454 drawInfo->text = 0;
455 drawInfo->geometry = 0;
456
cristy5cbc0162011-08-29 00:36:28 +0000457 throwException( exceptionInfo );
458 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000459}
460// Annotate with text (bounding area is entire image) and placement gravity.
461void Magick::Image::annotate ( const std::string &text_,
462 const GravityType gravity_ )
463{
464 modifyImage();
465
466 DrawInfo *drawInfo
467 = options()->drawInfo();
468
469 drawInfo->text = const_cast<char *>(text_.c_str());
470
471 drawInfo->gravity = gravity_;
472
cristy5cbc0162011-08-29 00:36:28 +0000473 ExceptionInfo exceptionInfo;
474 GetExceptionInfo( &exceptionInfo );
475 AnnotateImage( image(), drawInfo, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000476
477 drawInfo->gravity = NorthWestGravity;
478 drawInfo->text = 0;
479
cristy5cbc0162011-08-29 00:36:28 +0000480 throwException( exceptionInfo );
481 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000482}
483
484// Blur image
485void Magick::Image::blur( const double radius_, const double sigma_ )
486{
487 ExceptionInfo exceptionInfo;
488 GetExceptionInfo( &exceptionInfo );
489 MagickCore::Image* newImage =
cristy05c0c9a2011-09-05 23:16:13 +0000490 BlurImage( image(), radius_, sigma_, image()->bias, &exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +0000491 replaceImage( newImage );
492 throwException( exceptionInfo );
493 (void) DestroyExceptionInfo( &exceptionInfo );
494}
495
496void Magick::Image::blurChannel( const ChannelType channel_,
497 const double radius_, const double sigma_ )
498{
499 ExceptionInfo exceptionInfo;
500 GetExceptionInfo( &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +0000501 ChannelType channel_mask = SetPixelChannelMask( image(), channel_ );
cristy3ed852e2009-09-05 21:47:34 +0000502 MagickCore::Image* newImage =
cristy05c0c9a2011-09-05 23:16:13 +0000503 BlurImage( image(), radius_, sigma_, image()->bias, &exceptionInfo);
cristybd5a96c2011-08-21 00:04:26 +0000504 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +0000505 replaceImage( newImage );
506 throwException( exceptionInfo );
507 (void) DestroyExceptionInfo( &exceptionInfo );
508}
509
510// Add border to image
511// Only uses width & height
512void Magick::Image::border( const Geometry &geometry_ )
513{
514 RectangleInfo borderInfo = geometry_;
515 ExceptionInfo exceptionInfo;
516 GetExceptionInfo( &exceptionInfo );
517 MagickCore::Image* newImage =
cristy633f0c62011-09-15 13:27:36 +0000518 BorderImage( image(), &borderInfo, image()->compose, &exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +0000519 replaceImage( newImage );
520 throwException( exceptionInfo );
521 (void) DestroyExceptionInfo( &exceptionInfo );
522}
523
524// Extract channel from image
525void Magick::Image::channel ( const ChannelType channel_ )
526{
527 modifyImage();
cristybd5a96c2011-08-21 00:04:26 +0000528 ChannelType channel_mask = SetPixelChannelMask( image(), channel_ );
cristy3139dc22011-07-08 00:11:42 +0000529 SeparateImage ( image() );
cristybd5a96c2011-08-21 00:04:26 +0000530 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +0000531 throwImageException();
532}
533
534// Set or obtain modulus channel depth
cristyfefab1b2011-07-05 00:33:22 +0000535void Magick::Image::channelDepth ( const size_t depth_ )
cristy3ed852e2009-09-05 21:47:34 +0000536{
537 modifyImage();
cristyfefab1b2011-07-05 00:33:22 +0000538 SetImageDepth( image(), depth_);
cristy3ed852e2009-09-05 21:47:34 +0000539 throwImageException();
540}
cristyfefab1b2011-07-05 00:33:22 +0000541size_t Magick::Image::channelDepth ( )
cristy3ed852e2009-09-05 21:47:34 +0000542{
cristyeaedf062010-05-29 22:36:02 +0000543 size_t channel_depth;
cristy3ed852e2009-09-05 21:47:34 +0000544
545 ExceptionInfo exceptionInfo;
546 GetExceptionInfo( &exceptionInfo );
cristyfefab1b2011-07-05 00:33:22 +0000547 channel_depth=GetImageDepth( constImage(), &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000548 throwException( exceptionInfo );
549 (void) DestroyExceptionInfo( &exceptionInfo );
550 return channel_depth;
551}
552
553
554// Charcoal-effect image
555void Magick::Image::charcoal( const double radius_, const double sigma_ )
556{
557 ExceptionInfo exceptionInfo;
558 GetExceptionInfo( &exceptionInfo );
559 MagickCore::Image* newImage =
cristy05c0c9a2011-09-05 23:16:13 +0000560 CharcoalImage( image(), radius_, sigma_, image()->bias, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000561 replaceImage( newImage );
562 throwException( exceptionInfo );
563 (void) DestroyExceptionInfo( &exceptionInfo );
564}
565
566// Chop image
567void Magick::Image::chop( const Geometry &geometry_ )
568{
569 RectangleInfo chopInfo = geometry_;
570 ExceptionInfo exceptionInfo;
571 GetExceptionInfo( &exceptionInfo );
572 MagickCore::Image* newImage =
573 ChopImage( image(), &chopInfo, &exceptionInfo);
574 replaceImage( newImage );
575 throwException( exceptionInfo );
576 (void) DestroyExceptionInfo( &exceptionInfo );
577}
578
cristyb32b90a2009-09-07 21:45:48 +0000579// contains one or more color corrections and applies the correction to the
580// image.
581void Magick::Image::cdl ( const std::string &cdl_ )
582{
583 modifyImage();
cristy1bfa9f02011-08-11 02:35:43 +0000584 ExceptionInfo exceptionInfo;
585 GetExceptionInfo( &exceptionInfo );
586 (void) ColorDecisionListImage( image(), cdl_.c_str(), &exceptionInfo );
587 throwException( exceptionInfo );
588 (void) DestroyExceptionInfo( &exceptionInfo );
cristyb32b90a2009-09-07 21:45:48 +0000589}
590
cristy3ed852e2009-09-05 21:47:34 +0000591// Colorize
cristy4c08aed2011-07-01 19:47:50 +0000592void Magick::Image::colorize ( const unsigned int alphaRed_,
593 const unsigned int alphaGreen_,
594 const unsigned int alphaBlue_,
cristy3ed852e2009-09-05 21:47:34 +0000595 const Color &penColor_ )
596{
597 if ( !penColor_.isValid() )
598 {
599 throwExceptionExplicit( OptionError,
600 "Pen color argument is invalid");
601 }
602
cristy4c08aed2011-07-01 19:47:50 +0000603 char alpha[MaxTextExtent];
604 FormatLocaleString(alpha,MaxTextExtent,"%u/%u/%u",alphaRed_,alphaGreen_,alphaBlue_);
cristy3ed852e2009-09-05 21:47:34 +0000605
606 ExceptionInfo exceptionInfo;
607 GetExceptionInfo( &exceptionInfo );
608 MagickCore::Image* newImage =
cristy4c08aed2011-07-01 19:47:50 +0000609 ColorizeImage ( image(), alpha,
cristy3ed852e2009-09-05 21:47:34 +0000610 penColor_, &exceptionInfo );
611 replaceImage( newImage );
612 throwException( exceptionInfo );
613 (void) DestroyExceptionInfo( &exceptionInfo );
614}
cristy4c08aed2011-07-01 19:47:50 +0000615void Magick::Image::colorize ( const unsigned int alpha_,
cristy3ed852e2009-09-05 21:47:34 +0000616 const Color &penColor_ )
617{
cristy4c08aed2011-07-01 19:47:50 +0000618 colorize( alpha_, alpha_, alpha_, penColor_ );
cristy3ed852e2009-09-05 21:47:34 +0000619}
620
cristy735e8942010-04-02 20:32:57 +0000621// Apply a color matrix to the image channels. The user supplied
622// matrix may be of order 1 to 6 (1x1 through 6x6).
cristyeaedf062010-05-29 22:36:02 +0000623void Magick::Image::colorMatrix (const size_t order_,
cristyc8918bb2010-04-03 01:57:27 +0000624 const double *color_matrix_)
cristy735e8942010-04-02 20:32:57 +0000625{
cristyc8918bb2010-04-03 01:57:27 +0000626 KernelInfo
627 *kernel_info;
628
cristy735e8942010-04-02 20:32:57 +0000629 ExceptionInfo exceptionInfo;
630 GetExceptionInfo( &exceptionInfo );
cristy5e6be1e2011-07-16 01:23:39 +0000631 kernel_info=AcquireKernelInfo((const char *) NULL);
cristyc8918bb2010-04-03 01:57:27 +0000632 kernel_info->width=order_;
633 kernel_info->height=order_;
cristyc8918bb2010-04-03 01:57:27 +0000634 kernel_info->values=(double *) color_matrix_;
cristy735e8942010-04-02 20:32:57 +0000635 MagickCore::Image* newImage =
cristyc8918bb2010-04-03 01:57:27 +0000636 ColorMatrixImage( image(), kernel_info, &exceptionInfo );
cristya2175d32010-04-03 02:25:17 +0000637 kernel_info->values=(double *) NULL;
cristyc8918bb2010-04-03 01:57:27 +0000638 kernel_info=DestroyKernelInfo(kernel_info);
cristy735e8942010-04-02 20:32:57 +0000639 replaceImage( newImage );
640 throwException( exceptionInfo );
641 (void) DestroyExceptionInfo( &exceptionInfo );
642}
643
cristy3ed852e2009-09-05 21:47:34 +0000644// Compare current image with another image
645// Sets meanErrorPerPixel, normalizedMaxError, and normalizedMeanError
646// in the current image. False is returned if the images are identical.
647bool Magick::Image::compare ( const Image &reference_ )
648{
cristy018f07f2011-09-04 21:15:19 +0000649 ExceptionInfo exceptionInfo;
650 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000651 modifyImage();
652 Image ref = reference_;
653 ref.modifyImage();
cristy018f07f2011-09-04 21:15:19 +0000654 bool status =
655 static_cast<bool>(IsImagesEqual(image(), ref.image(), &exceptionInfo));
656 throwException( exceptionInfo );
657 (void) DestroyExceptionInfo( &exceptionInfo );
658 return status;
cristy3ed852e2009-09-05 21:47:34 +0000659}
660
661// Composite two images
662void Magick::Image::composite ( const Image &compositeImage_,
cristyd99b0962010-05-29 23:14:26 +0000663 const ssize_t xOffset_,
664 const ssize_t yOffset_,
cristy3ed852e2009-09-05 21:47:34 +0000665 const CompositeOperator compose_ )
666{
667 // Image supplied as compositeImage is composited with current image and
668 // results in updating current image.
669 modifyImage();
670
671 CompositeImage( image(),
672 compose_,
673 compositeImage_.constImage(),
674 xOffset_,
675 yOffset_ );
676 throwImageException();
677}
678void Magick::Image::composite ( const Image &compositeImage_,
679 const Geometry &offset_,
680 const CompositeOperator compose_ )
681{
682 modifyImage();
683
cristybb503372010-05-27 20:51:26 +0000684 ssize_t x = offset_.xOff();
685 ssize_t y = offset_.yOff();
686 size_t width = columns();
687 size_t height = rows();
cristy3ed852e2009-09-05 21:47:34 +0000688
689 ParseMetaGeometry (static_cast<std::string>(offset_).c_str(),
690 &x, &y,
691 &width, &height );
692
693 CompositeImage( image(),
694 compose_,
695 compositeImage_.constImage(),
696 x, y );
697 throwImageException();
698}
699void Magick::Image::composite ( const Image &compositeImage_,
700 const GravityType gravity_,
701 const CompositeOperator compose_ )
702{
703 modifyImage();
704
705 RectangleInfo geometry;
706
707 SetGeometry(compositeImage_.constImage(), &geometry);
708 GravityAdjustGeometry(columns(), rows(), gravity_, &geometry);
709
710 CompositeImage( image(),
711 compose_,
712 compositeImage_.constImage(),
713 geometry.x, geometry.y );
714 throwImageException();
715}
716
717// Contrast image
cristyeaedf062010-05-29 22:36:02 +0000718void Magick::Image::contrast ( const size_t sharpen_ )
cristy3ed852e2009-09-05 21:47:34 +0000719{
720 modifyImage();
cristye23ec9d2011-08-16 18:15:40 +0000721 ExceptionInfo exceptionInfo;
722 GetExceptionInfo( &exceptionInfo );
723 ContrastImage ( image(), (MagickBooleanType) sharpen_, &exceptionInfo );
724 throwException( exceptionInfo );
725 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000726}
727
728// Convolve image. Applies a general image convolution kernel to the image.
729// order_ represents the number of columns and rows in the filter kernel.
730// kernel_ is an array of doubles representing the convolution kernel.
cristyeaedf062010-05-29 22:36:02 +0000731void Magick::Image::convolve ( const size_t order_,
cristy3ed852e2009-09-05 21:47:34 +0000732 const double *kernel_ )
733{
cristy5e6be1e2011-07-16 01:23:39 +0000734 KernelInfo
735 *kernel_info;
736
cristy3ed852e2009-09-05 21:47:34 +0000737 ExceptionInfo exceptionInfo;
738 GetExceptionInfo( &exceptionInfo );
cristy5e6be1e2011-07-16 01:23:39 +0000739 kernel_info=AcquireKernelInfo((const char *) NULL);
740 kernel_info->width=order_;
741 kernel_info->height=order_;
742 kernel_info->values=(double *) kernel_;
cristy0a922382011-07-16 15:30:34 +0000743 kernel_info->bias=image()->bias;
cristy3ed852e2009-09-05 21:47:34 +0000744 MagickCore::Image* newImage =
cristy5e6be1e2011-07-16 01:23:39 +0000745 ConvolveImage ( image(), kernel_info, &exceptionInfo );
746 kernel_info->values=(double *) NULL;
747 kernel_info=DestroyKernelInfo(kernel_info);
cristy3ed852e2009-09-05 21:47:34 +0000748 replaceImage( newImage );
749 throwException( exceptionInfo );
750 (void) DestroyExceptionInfo( &exceptionInfo );
751}
752
753// Crop image
754void Magick::Image::crop ( const Geometry &geometry_ )
755{
756 RectangleInfo cropInfo = geometry_;
757 ExceptionInfo exceptionInfo;
758 GetExceptionInfo( &exceptionInfo );
759 MagickCore::Image* newImage =
760 CropImage( image(),
761 &cropInfo,
762 &exceptionInfo);
763 replaceImage( newImage );
764 throwException( exceptionInfo );
765 (void) DestroyExceptionInfo( &exceptionInfo );
766}
767
768// Cycle Color Map
cristyd99b0962010-05-29 23:14:26 +0000769void Magick::Image::cycleColormap ( const ssize_t amount_ )
cristy3ed852e2009-09-05 21:47:34 +0000770{
cristy018f07f2011-09-04 21:15:19 +0000771 ExceptionInfo exceptionInfo;
772 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000773 modifyImage();
cristy018f07f2011-09-04 21:15:19 +0000774 CycleColormapImage( image(), amount_, &exceptionInfo );
775 throwException( exceptionInfo );
776 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000777}
778
779// Despeckle
780void Magick::Image::despeckle ( void )
781{
782 ExceptionInfo exceptionInfo;
783 GetExceptionInfo( &exceptionInfo );
784 MagickCore::Image* newImage =
785 DespeckleImage( image(), &exceptionInfo );
786 replaceImage( newImage );
787 throwException( exceptionInfo );
788 (void) DestroyExceptionInfo( &exceptionInfo );
789}
790
791// Display image
792void Magick::Image::display( void )
793{
cristy051718b2011-08-28 22:49:25 +0000794 ExceptionInfo exceptionInfo;
795 GetExceptionInfo( &exceptionInfo );
796 DisplayImages( imageInfo(), image(), &exceptionInfo );
797 throwException( exceptionInfo );
798 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000799}
800
801// Distort image. distorts an image using various distortion methods, by
802// mapping color lookups of the source image to a new destination image
803// usally of the same size as the source image, unless 'bestfit' is set to
804// true.
cristyb32b90a2009-09-07 21:45:48 +0000805void Magick::Image::distort ( const DistortImageMethod method_,
cristybb503372010-05-27 20:51:26 +0000806 const size_t number_arguments_,
cristyb32b90a2009-09-07 21:45:48 +0000807 const double *arguments_,
808 const bool bestfit_ )
cristy3ed852e2009-09-05 21:47:34 +0000809{
810 ExceptionInfo exceptionInfo;
811 GetExceptionInfo( &exceptionInfo );
cristyb32b90a2009-09-07 21:45:48 +0000812 MagickCore::Image* newImage = DistortImage ( image(), method_,
813 number_arguments_, arguments_, bestfit_ == true ? MagickTrue : MagickFalse,
814 &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000815 replaceImage( newImage );
816 throwException( exceptionInfo );
817 (void) DestroyExceptionInfo( &exceptionInfo );
818}
819
820// Draw on image using single drawable
821void Magick::Image::draw ( const Magick::Drawable &drawable_ )
822{
823 modifyImage();
824
825 DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
826
827 if(wand)
828 {
829 drawable_.operator()(wand);
830
831 if( constImage()->exception.severity == UndefinedException)
832 DrawRender(wand);
833
834 wand=DestroyDrawingWand(wand);
835 }
836
837 throwImageException();
838}
839
840// Draw on image using a drawable list
841void Magick::Image::draw ( const std::list<Magick::Drawable> &drawable_ )
842{
843 modifyImage();
844
845 DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
846
847 if(wand)
848 {
849 for( std::list<Magick::Drawable>::const_iterator p = drawable_.begin();
850 p != drawable_.end(); p++ )
851 {
852 p->operator()(wand);
853 if( constImage()->exception.severity != UndefinedException)
854 break;
855 }
856
857 if( constImage()->exception.severity == UndefinedException)
858 DrawRender(wand);
859
860 wand=DestroyDrawingWand(wand);
861 }
862
863 throwImageException();
864}
865
866// Hilight edges in image
cristy8ae632d2011-09-05 17:29:53 +0000867void Magick::Image::edge ( const double radius_, const double sigma_ )
868{
869 ExceptionInfo exceptionInfo;
870 GetExceptionInfo( &exceptionInfo );
871 MagickCore::Image* newImage =
872 EdgeImage( image(), radius_, sigma_, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000873 replaceImage( newImage );
874 throwException( exceptionInfo );
875 (void) DestroyExceptionInfo( &exceptionInfo );
876}
877
878// Emboss image (hilight edges)
879void Magick::Image::emboss ( const double radius_, const double sigma_ )
880{
881 ExceptionInfo exceptionInfo;
882 GetExceptionInfo( &exceptionInfo );
883 MagickCore::Image* newImage =
884 EmbossImage( image(), radius_, sigma_, &exceptionInfo );
885 replaceImage( newImage );
886 throwException( exceptionInfo );
887 (void) DestroyExceptionInfo( &exceptionInfo );
888}
889
890// Enhance image (minimize noise)
891void Magick::Image::enhance ( void )
892{
893 ExceptionInfo exceptionInfo;
894 GetExceptionInfo( &exceptionInfo );
895 MagickCore::Image* newImage =
896 EnhanceImage( image(), &exceptionInfo );
897 replaceImage( newImage );
898 throwException( exceptionInfo );
899 (void) DestroyExceptionInfo( &exceptionInfo );
900}
901
902// Equalize image (histogram equalization)
903void Magick::Image::equalize ( void )
904{
cristy6d8c3d72011-08-22 01:20:01 +0000905 ExceptionInfo exceptionInfo;
906 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000907 modifyImage();
cristy6d8c3d72011-08-22 01:20:01 +0000908 EqualizeImage( image(), &exceptionInfo );
909 throwException( exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +0000910}
911
912// Erase image to current "background color"
913void Magick::Image::erase ( void )
914{
915 modifyImage();
916 SetImageBackgroundColor( image() );
917 throwImageException();
918}
919
920// Extends image as defined by the geometry.
921//
922void Magick::Image::extent ( const Geometry &geometry_ )
923{
924 RectangleInfo extentInfo = geometry_;
925 modifyImage();
cristy8bf9e292010-02-21 17:48:01 +0000926 ExceptionInfo exceptionInfo;
927 GetExceptionInfo( &exceptionInfo );
cristy1ee42c42010-05-12 12:52:50 +0000928 MagickCore::Image* newImage =
929 ExtentImage ( image(), &extentInfo, &exceptionInfo );
930 replaceImage( newImage );
cristy8bf9e292010-02-21 17:48:01 +0000931 throwException( exceptionInfo );
932 (void) DestroyExceptionInfo( &exceptionInfo );
933}
934void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_ )
935{
936 backgroundColor ( backgroundColor_ );
937 extent ( geometry_ );
938}
cristyff024b42010-02-21 22:55:09 +0000939void Magick::Image::extent ( const Geometry &geometry_, const GravityType gravity_ )
cristy8bf9e292010-02-21 17:48:01 +0000940{
941 image()->gravity = gravity_;
942 extent ( geometry_ );
943}
944void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_, const GravityType gravity_ )
945{
946 image()->gravity = gravity_;
947 backgroundColor ( backgroundColor_ );
948 extent ( geometry_ );
cristy3ed852e2009-09-05 21:47:34 +0000949}
950
951// Flip image (reflect each scanline in the vertical direction)
952void Magick::Image::flip ( void )
953{
954 ExceptionInfo exceptionInfo;
955 GetExceptionInfo( &exceptionInfo );
956 MagickCore::Image* newImage =
957 FlipImage( image(), &exceptionInfo );
958 replaceImage( newImage );
959 throwException( exceptionInfo );
960 (void) DestroyExceptionInfo( &exceptionInfo );
961}
962
963// Flood-fill color across pixels that match the color of the
964// target pixel and are neighbors of the target pixel.
965// Uses current fuzz setting when determining color match.
cristy35ef8242010-06-03 16:24:13 +0000966void Magick::Image::floodFillColor( const ssize_t x_,
967 const ssize_t y_,
cristy3ed852e2009-09-05 21:47:34 +0000968 const Magick::Color &fillColor_ )
969{
970 floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_ ) );
971}
972void Magick::Image::floodFillColor( const Geometry &point_,
973 const Magick::Color &fillColor_ )
974{
975 floodFillTexture( point_, Image( Geometry( 1, 1), fillColor_) );
976}
977
978// Flood-fill color across pixels starting at target-pixel and
979// stopping at pixels matching specified border color.
980// Uses current fuzz setting when determining color match.
cristy35ef8242010-06-03 16:24:13 +0000981void Magick::Image::floodFillColor( const ssize_t x_,
982 const ssize_t y_,
cristy3ed852e2009-09-05 21:47:34 +0000983 const Magick::Color &fillColor_,
984 const Magick::Color &borderColor_ )
985{
986 floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_),
987 borderColor_ );
988}
989void Magick::Image::floodFillColor( const Geometry &point_,
990 const Magick::Color &fillColor_,
991 const Magick::Color &borderColor_ )
992{
993 floodFillTexture( point_, Image( Geometry( 1, 1), fillColor_),
994 borderColor_ );
995}
996
997// Floodfill pixels matching color (within fuzz factor) of target
cristy4c08aed2011-07-01 19:47:50 +0000998// pixel(x,y) with replacement alpha value using method.
cristy35ef8242010-06-03 16:24:13 +0000999void Magick::Image::floodFillOpacity( const ssize_t x_,
1000 const ssize_t y_,
cristy4c08aed2011-07-01 19:47:50 +00001001 const unsigned int alpha_,
cristy3ed852e2009-09-05 21:47:34 +00001002 const PaintMethod method_ )
1003{
1004 modifyImage();
cristy4c08aed2011-07-01 19:47:50 +00001005 PixelInfo target;
1006 GetPixelInfo(image(),&target);
cristy3ed852e2009-09-05 21:47:34 +00001007 PixelPacket pixel=static_cast<PixelPacket>(pixelColor(x_,y_));
1008 target.red=pixel.red;
1009 target.green=pixel.green;
1010 target.blue=pixel.blue;
cristy4c08aed2011-07-01 19:47:50 +00001011 target.alpha=alpha_;
cristy189e84c2011-08-27 18:08:53 +00001012 ExceptionInfo exceptionInfo;
1013 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001014 FloodfillPaintImage ( image(),
cristy3ed852e2009-09-05 21:47:34 +00001015 options()->drawInfo(), // const DrawInfo *draw_info
1016 &target,
cristybb503372010-05-27 20:51:26 +00001017 static_cast<ssize_t>(x_), static_cast<ssize_t>(y_),
cristy189e84c2011-08-27 18:08:53 +00001018 method_ == FloodfillMethod ? MagickFalse : MagickTrue,
1019 &exceptionInfo);
1020 throwException( exceptionInfo );
1021 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001022}
1023
1024// Flood-fill texture across pixels that match the color of the
1025// target pixel and are neighbors of the target pixel.
1026// Uses current fuzz setting when determining color match.
cristy35ef8242010-06-03 16:24:13 +00001027void Magick::Image::floodFillTexture( const ssize_t x_,
1028 const ssize_t y_,
cristy3ed852e2009-09-05 21:47:34 +00001029 const Magick::Image &texture_ )
1030{
1031 modifyImage();
1032
1033 // Set drawing pattern
1034 options()->fillPattern(texture_.constImage());
1035
1036 // Get pixel view
1037 Pixels pixels(*this);
1038 // Fill image
cristy4c08aed2011-07-01 19:47:50 +00001039 Quantum *p = pixels.get(x_, y_, 1, 1 );
1040 PixelInfo target;
1041 GetPixelInfo(constImage(),&target);
1042 target.red=GetPixelRed(constImage(),p);
1043 target.green=GetPixelGreen(constImage(),p);
1044 target.blue=GetPixelBlue(constImage(),p);
cristy189e84c2011-08-27 18:08:53 +00001045 ExceptionInfo exceptionInfo;
1046 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001047 if (p)
1048 FloodfillPaintImage ( image(), // Image *image
cristy3ed852e2009-09-05 21:47:34 +00001049 options()->drawInfo(), // const DrawInfo *draw_info
1050 &target, // const MagickPacket target
cristybb503372010-05-27 20:51:26 +00001051 static_cast<ssize_t>(x_), // const ssize_t x_offset
1052 static_cast<ssize_t>(y_), // const ssize_t y_offset
cristy189e84c2011-08-27 18:08:53 +00001053 MagickFalse, // const PaintMethod method
1054 &exceptionInfo );
1055 throwException( exceptionInfo );
1056 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001057
cristy3ed852e2009-09-05 21:47:34 +00001058}
1059void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
1060 const Magick::Image &texture_ )
1061{
1062 floodFillTexture( point_.xOff(), point_.yOff(), texture_ );
1063}
1064
1065// Flood-fill texture across pixels starting at target-pixel and
1066// stopping at pixels matching specified border color.
1067// Uses current fuzz setting when determining color match.
cristy35ef8242010-06-03 16:24:13 +00001068void Magick::Image::floodFillTexture( const ssize_t x_,
1069 const ssize_t y_,
cristy3ed852e2009-09-05 21:47:34 +00001070 const Magick::Image &texture_,
1071 const Magick::Color &borderColor_ )
1072{
1073 modifyImage();
1074
1075 // Set drawing fill pattern
1076 options()->fillPattern(texture_.constImage());
1077
cristy4c08aed2011-07-01 19:47:50 +00001078 PixelInfo target;
1079 GetPixelInfo(constImage(),&target);
cristy3ed852e2009-09-05 21:47:34 +00001080 target.red=static_cast<PixelPacket>(borderColor_).red;
1081 target.green=static_cast<PixelPacket>(borderColor_).green;
1082 target.blue=static_cast<PixelPacket>(borderColor_).blue;
cristy189e84c2011-08-27 18:08:53 +00001083 ExceptionInfo exceptionInfo;
1084 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001085 FloodfillPaintImage ( image(),
cristy3ed852e2009-09-05 21:47:34 +00001086 options()->drawInfo(),
1087 &target,
cristybb503372010-05-27 20:51:26 +00001088 static_cast<ssize_t>(x_),
1089 static_cast<ssize_t>(y_),
cristy189e84c2011-08-27 18:08:53 +00001090 MagickTrue, &exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +00001091
cristy189e84c2011-08-27 18:08:53 +00001092 throwException( exceptionInfo );
1093 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001094}
1095void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
1096 const Magick::Image &texture_,
1097 const Magick::Color &borderColor_ )
1098{
1099 floodFillTexture( point_.xOff(), point_.yOff(), texture_, borderColor_ );
1100}
1101
1102// Flop image (reflect each scanline in the horizontal direction)
1103void Magick::Image::flop ( void )
1104{
1105 ExceptionInfo exceptionInfo;
1106 GetExceptionInfo( &exceptionInfo );
1107 MagickCore::Image* newImage =
1108 FlopImage( image(), &exceptionInfo );
1109 replaceImage( newImage );
1110 throwException( exceptionInfo );
1111 (void) DestroyExceptionInfo( &exceptionInfo );
1112}
1113
1114// Frame image
1115void Magick::Image::frame ( const Geometry &geometry_ )
1116{
1117 FrameInfo info;
1118
cristybb503372010-05-27 20:51:26 +00001119 info.x = static_cast<ssize_t>(geometry_.width());
1120 info.y = static_cast<ssize_t>(geometry_.height());
1121 info.width = columns() + ( static_cast<size_t>(info.x) << 1 );
1122 info.height = rows() + ( static_cast<size_t>(info.y) << 1 );
cristy3ed852e2009-09-05 21:47:34 +00001123 info.outer_bevel = geometry_.xOff();
1124 info.inner_bevel = geometry_.yOff();
1125
1126 ExceptionInfo exceptionInfo;
1127 GetExceptionInfo( &exceptionInfo );
1128 MagickCore::Image* newImage =
cristy633f0c62011-09-15 13:27:36 +00001129 FrameImage( image(), &info, image()->compose, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001130 replaceImage( newImage );
1131 throwException( exceptionInfo );
1132 (void) DestroyExceptionInfo( &exceptionInfo );
1133}
cristyeaedf062010-05-29 22:36:02 +00001134void Magick::Image::frame ( const size_t width_,
1135 const size_t height_,
cristyd99b0962010-05-29 23:14:26 +00001136 const ssize_t outerBevel_, const ssize_t innerBevel_ )
cristy3ed852e2009-09-05 21:47:34 +00001137{
1138 FrameInfo info;
cristybb503372010-05-27 20:51:26 +00001139 info.x = static_cast<ssize_t>(width_);
1140 info.y = static_cast<ssize_t>(height_);
1141 info.width = columns() + ( static_cast<size_t>(info.x) << 1 );
1142 info.height = rows() + ( static_cast<size_t>(info.y) << 1 );
1143 info.outer_bevel = static_cast<ssize_t>(outerBevel_);
1144 info.inner_bevel = static_cast<ssize_t>(innerBevel_);
cristy3ed852e2009-09-05 21:47:34 +00001145
1146 ExceptionInfo exceptionInfo;
1147 GetExceptionInfo( &exceptionInfo );
1148 MagickCore::Image* newImage =
cristy633f0c62011-09-15 13:27:36 +00001149 FrameImage( image(), &info, image()->compose, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001150 replaceImage( newImage );
1151 throwException( exceptionInfo );
1152 (void) DestroyExceptionInfo( &exceptionInfo );
1153}
1154
cristyc9550792009-11-13 20:05:42 +00001155// Fx image. Applies a mathematical expression to the image.
1156void Magick::Image::fx ( const std::string expression )
1157{
1158 ExceptionInfo exceptionInfo;
1159 GetExceptionInfo( &exceptionInfo );
1160 MagickCore::Image* newImage =
cristy490408a2011-07-07 14:42:05 +00001161 FxImage ( image(), expression.c_str(), &exceptionInfo );
cristyc9550792009-11-13 20:05:42 +00001162 replaceImage( newImage );
1163 throwException( exceptionInfo );
1164 (void) DestroyExceptionInfo( &exceptionInfo );
1165}
cristy3ed852e2009-09-05 21:47:34 +00001166void Magick::Image::fx ( const std::string expression,
1167 const Magick::ChannelType channel )
1168{
1169 ExceptionInfo exceptionInfo;
1170 GetExceptionInfo( &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001171 ChannelType channel_mask = SetPixelChannelMask( image(), channel );
cristy3ed852e2009-09-05 21:47:34 +00001172 MagickCore::Image* newImage =
cristy490408a2011-07-07 14:42:05 +00001173 FxImage ( image(), expression.c_str(), &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001174 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00001175 replaceImage( newImage );
1176 throwException( exceptionInfo );
1177 (void) DestroyExceptionInfo( &exceptionInfo );
1178}
1179
1180// Gamma correct image
1181void Magick::Image::gamma ( const double gamma_ )
1182{
cristyb3e7c6c2011-07-24 01:43:55 +00001183 ExceptionInfo exceptionInfo;
1184 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001185 modifyImage();
cristyb3e7c6c2011-07-24 01:43:55 +00001186 GammaImage ( image(), gamma_, &exceptionInfo );
1187 throwException( exceptionInfo );
1188 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001189}
1190
1191void Magick::Image::gamma ( const double gammaRed_,
1192 const double gammaGreen_,
1193 const double gammaBlue_ )
1194{
1195 char gamma[MaxTextExtent + 1];
cristyb51dff52011-05-19 16:55:47 +00001196 FormatLocaleString( gamma, MaxTextExtent, "%3.6f/%3.6f/%3.6f/",
cristy3ed852e2009-09-05 21:47:34 +00001197 gammaRed_, gammaGreen_, gammaBlue_);
1198
cristyb3e7c6c2011-07-24 01:43:55 +00001199 ExceptionInfo exceptionInfo;
1200 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001201 modifyImage();
cristyb3e7c6c2011-07-24 01:43:55 +00001202 GammaImage ( image(), atof(gamma), &exceptionInfo );
1203 throwException( exceptionInfo );
1204 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001205}
1206
1207// Gaussian blur image
1208// The number of neighbor pixels to be included in the convolution
1209// mask is specified by 'width_'. The standard deviation of the
1210// gaussian bell curve is specified by 'sigma_'.
1211void Magick::Image::gaussianBlur ( const double width_, const double sigma_ )
1212{
1213 ExceptionInfo exceptionInfo;
1214 GetExceptionInfo( &exceptionInfo );
1215 MagickCore::Image* newImage =
cristy05c0c9a2011-09-05 23:16:13 +00001216 GaussianBlurImage( image(), width_, sigma_, image()->bias, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001217 replaceImage( newImage );
1218 throwException( exceptionInfo );
1219 (void) DestroyExceptionInfo( &exceptionInfo );
1220}
1221
1222void Magick::Image::gaussianBlurChannel ( const ChannelType channel_,
1223 const double width_,
1224 const double sigma_ )
1225{
1226 ExceptionInfo exceptionInfo;
1227 GetExceptionInfo( &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001228 ChannelType channel_mask = SetPixelChannelMask( image(), channel_ );
cristy3ed852e2009-09-05 21:47:34 +00001229 MagickCore::Image* newImage =
cristy05c0c9a2011-09-05 23:16:13 +00001230 GaussianBlurImage( image(), width_, sigma_, image()->bias, &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001231 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00001232 replaceImage( newImage );
1233 throwException( exceptionInfo );
1234 (void) DestroyExceptionInfo( &exceptionInfo );
1235}
1236
cristyb32b90a2009-09-07 21:45:48 +00001237// Apply a color lookup table (Hald CLUT) to the image.
1238void Magick::Image::haldClut ( const Image &clutImage_ )
1239{
cristy7c0a0a42011-08-23 17:57:25 +00001240 ExceptionInfo exceptionInfo;
1241 GetExceptionInfo( &exceptionInfo );
cristyb32b90a2009-09-07 21:45:48 +00001242 modifyImage();
cristy7c0a0a42011-08-23 17:57:25 +00001243 (void) HaldClutImage( image(), clutImage_.constImage(), &exceptionInfo );
1244 throwException( exceptionInfo );
1245 (void) DestroyExceptionInfo( &exceptionInfo );
cristyb32b90a2009-09-07 21:45:48 +00001246}
1247
cristy3ed852e2009-09-05 21:47:34 +00001248// Implode image
1249void Magick::Image::implode ( const double factor_ )
1250{
1251 ExceptionInfo exceptionInfo;
1252 GetExceptionInfo( &exceptionInfo );
1253 MagickCore::Image* newImage =
cristy76f512e2011-09-12 01:26:56 +00001254 ImplodeImage( image(), factor_, image()->interpolate, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001255 replaceImage( newImage );
1256 throwException( exceptionInfo );
1257 (void) DestroyExceptionInfo( &exceptionInfo );
1258}
1259
cristy529fcc22009-11-14 18:15:08 +00001260// implements the inverse discrete Fourier transform (IFT) of the image either
1261// as a magnitude / phase or real / imaginary image pair.
1262void Magick::Image::inverseFourierTransform ( const Image &phase_ )
1263{
1264 ExceptionInfo exceptionInfo;
1265 GetExceptionInfo( &exceptionInfo );
1266 MagickCore::Image* newImage = InverseFourierTransformImage( image(),
1267 phase_.constImage(), MagickTrue, &exceptionInfo);
1268 replaceImage( newImage );
1269 throwException( exceptionInfo );
1270 (void) DestroyExceptionInfo( &exceptionInfo );
1271}
1272void Magick::Image::inverseFourierTransform ( const Image &phase_,
1273 const bool magnitude_ )
1274{
1275 ExceptionInfo exceptionInfo;
1276 GetExceptionInfo( &exceptionInfo );
1277 MagickCore::Image* newImage = InverseFourierTransformImage( image(),
1278 phase_.constImage(), magnitude_ == true ? MagickTrue : MagickFalse,
1279 &exceptionInfo);
1280 replaceImage( newImage );
1281 throwException( exceptionInfo );
1282 (void) DestroyExceptionInfo( &exceptionInfo );
1283}
1284
cristy3ed852e2009-09-05 21:47:34 +00001285// Level image. Adjust the levels of the image by scaling the colors
1286// falling between specified white and black points to the full
1287// available quantum range. The parameters provided represent the
1288// black, mid (gamma), and white points. The black point specifies
1289// the darkest color in the image. Colors darker than the black point
1290// are set to zero. Mid point (gamma) specifies a gamma correction to
1291// apply to the image. White point specifies the lightest color in the
1292// image. Colors brighter than the white point are set to the maximum
1293// quantum value. The black and white point have the valid range 0 to
1294// QuantumRange while gamma has a useful range of 0 to ten.
1295void Magick::Image::level ( const double black_point,
1296 const double white_point,
1297 const double gamma )
1298{
cristy01e9afd2011-08-10 17:38:41 +00001299 ExceptionInfo exceptionInfo;
1300 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001301 modifyImage();
cristy01e9afd2011-08-10 17:38:41 +00001302 (void) LevelImage( image(), black_point, white_point, gamma, &exceptionInfo );
1303 throwException( exceptionInfo );
1304 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001305}
1306
1307// Magnify image by integral size
1308void Magick::Image::magnify ( void )
1309{
1310 ExceptionInfo exceptionInfo;
1311 GetExceptionInfo( &exceptionInfo );
1312 MagickCore::Image* newImage =
1313 MagnifyImage( image(), &exceptionInfo );
1314 replaceImage( newImage );
1315 throwException( exceptionInfo );
1316 (void) DestroyExceptionInfo( &exceptionInfo );
1317}
1318
1319// Remap image colors with closest color from reference image
1320void Magick::Image::map ( const Image &mapImage_ , const bool dither_ )
1321{
cristy018f07f2011-09-04 21:15:19 +00001322 ExceptionInfo exceptionInfo;
1323 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001324 modifyImage();
1325 options()->quantizeDither( dither_ );
1326 RemapImage ( options()->quantizeInfo(), image(),
cristy018f07f2011-09-04 21:15:19 +00001327 mapImage_.constImage(), &exceptionInfo);
1328 throwException( exceptionInfo );
1329 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001330}
cristy4c08aed2011-07-01 19:47:50 +00001331// Floodfill designated area with replacement alpha value
cristy3ed852e2009-09-05 21:47:34 +00001332void Magick::Image::matteFloodfill ( const Color &target_ ,
cristy4c08aed2011-07-01 19:47:50 +00001333 const unsigned int alpha_,
cristyd99b0962010-05-29 23:14:26 +00001334 const ssize_t x_, const ssize_t y_,
cristy3ed852e2009-09-05 21:47:34 +00001335 const Magick::PaintMethod method_ )
1336{
1337 modifyImage();
cristy4c08aed2011-07-01 19:47:50 +00001338 PixelInfo target;
1339 GetPixelInfo(constImage(),&target);
cristy3ed852e2009-09-05 21:47:34 +00001340 target.red=static_cast<PixelPacket>(target_).red;
1341 target.green=static_cast<PixelPacket>(target_).green;
1342 target.blue=static_cast<PixelPacket>(target_).blue;
cristy4c08aed2011-07-01 19:47:50 +00001343 target.alpha=alpha_;
cristybd5a96c2011-08-21 00:04:26 +00001344 ChannelType channel_mask = SetPixelChannelMask( image(), AlphaChannel );
cristy189e84c2011-08-27 18:08:53 +00001345 ExceptionInfo exceptionInfo;
1346 GetExceptionInfo( &exceptionInfo );
cristyd42d9952011-07-08 14:21:50 +00001347 FloodfillPaintImage ( image(), options()->drawInfo(), &target, x_, y_,
cristy189e84c2011-08-27 18:08:53 +00001348 method_ == FloodfillMethod ? MagickFalse : MagickTrue, &exceptionInfo);
cristybd5a96c2011-08-21 00:04:26 +00001349 (void) SetPixelChannelMap( image(), channel_mask );
cristy189e84c2011-08-27 18:08:53 +00001350 throwException( exceptionInfo );
1351 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001352}
1353
1354// Filter image by replacing each pixel component with the median
1355// color in a circular neighborhood
1356void Magick::Image::medianFilter ( const double radius_ )
1357{
1358 ExceptionInfo exceptionInfo;
1359 GetExceptionInfo( &exceptionInfo );
1360 MagickCore::Image* newImage =
cristy95c38342011-03-18 22:39:51 +00001361 StatisticImage ( image(), MedianStatistic, (size_t) radius_, (size_t)
1362 radius_,&exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001363 replaceImage( newImage );
1364 throwException( exceptionInfo );
1365 (void) DestroyExceptionInfo( &exceptionInfo );
1366}
1367
1368// Reduce image by integral size
1369void Magick::Image::minify ( void )
1370{
1371 ExceptionInfo exceptionInfo;
1372 GetExceptionInfo( &exceptionInfo );
1373 MagickCore::Image* newImage =
1374 MinifyImage( image(), &exceptionInfo );
1375 replaceImage( newImage );
1376 throwException( exceptionInfo );
1377 (void) DestroyExceptionInfo( &exceptionInfo );
1378}
1379
1380// Modulate percent hue, saturation, and brightness of an image
1381void Magick::Image::modulate ( const double brightness_,
1382 const double saturation_,
1383 const double hue_ )
1384{
1385 char modulate[MaxTextExtent + 1];
cristyb51dff52011-05-19 16:55:47 +00001386 FormatLocaleString( modulate, MaxTextExtent, "%3.6f,%3.6f,%3.6f",
cristy3ed852e2009-09-05 21:47:34 +00001387 brightness_, saturation_, hue_);
1388
cristy33bd5152011-08-24 01:42:24 +00001389 ExceptionInfo exceptionInfo;
1390 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001391 modifyImage();
cristy33bd5152011-08-24 01:42:24 +00001392 ModulateImage( image(), modulate, &exceptionInfo );
1393 throwException( exceptionInfo );
1394 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001395}
1396
1397// Motion blur image with specified blur factor
1398// The radius_ parameter specifies the radius of the Gaussian, in
1399// pixels, not counting the center pixel. The sigma_ parameter
1400// specifies the standard deviation of the Laplacian, in pixels.
1401// The angle_ parameter specifies the angle the object appears
1402// to be comming from (zero degrees is from the right).
1403void Magick::Image::motionBlur ( const double radius_,
1404 const double sigma_,
1405 const double angle_ )
1406{
1407 ExceptionInfo exceptionInfo;
1408 GetExceptionInfo( &exceptionInfo );
1409 MagickCore::Image* newImage =
cristyf7ef0252011-09-09 14:50:06 +00001410 MotionBlurImage( image(), radius_, sigma_, angle_, 0.0, &exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +00001411 replaceImage( newImage );
1412 throwException( exceptionInfo );
1413 (void) DestroyExceptionInfo( &exceptionInfo );
1414}
1415
1416// Negate image. Set grayscale_ to true to effect grayscale values
1417// only
1418void Magick::Image::negate ( const bool grayscale_ )
1419{
cristyb3e7c6c2011-07-24 01:43:55 +00001420 ExceptionInfo exceptionInfo;
1421 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001422 modifyImage();
cristyb3e7c6c2011-07-24 01:43:55 +00001423 NegateImage ( image(), grayscale_ == true ? MagickTrue : MagickFalse,
1424 &exceptionInfo );
1425 throwException( exceptionInfo );
1426 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001427}
1428
1429// Normalize image
1430void Magick::Image::normalize ( void )
1431{
1432 modifyImage();
cristye23ec9d2011-08-16 18:15:40 +00001433 ExceptionInfo exceptionInfo;
1434 GetExceptionInfo( &exceptionInfo );
1435 NormalizeImage ( image(), &exceptionInfo );
1436 throwException( exceptionInfo );
1437 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001438}
1439
1440// Oilpaint image
cristy14973ba2011-08-27 23:48:07 +00001441void Magick::Image::oilPaint ( const double radius_, const double sigma_ )
cristy3ed852e2009-09-05 21:47:34 +00001442{
1443 ExceptionInfo exceptionInfo;
1444 GetExceptionInfo( &exceptionInfo );
1445 MagickCore::Image* newImage =
cristy14973ba2011-08-27 23:48:07 +00001446 OilPaintImage( image(), radius_, sigma_, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001447 replaceImage( newImage );
1448 throwException( exceptionInfo );
1449 (void) DestroyExceptionInfo( &exceptionInfo );
1450}
1451
cristy4c08aed2011-07-01 19:47:50 +00001452// Set or attenuate the alpha channel. If the image pixels are
1453// opaque then they are set to the specified alpha value, otherwise
1454// they are blended with the supplied alpha value. The value of
1455// alpha_ ranges from 0 (completely opaque) to QuantumRange. The defines
1456// OpaqueAlpha and TransparentAlpha are available to specify
cristy3ed852e2009-09-05 21:47:34 +00001457// completely opaque or completely transparent, respectively.
cristy4c08aed2011-07-01 19:47:50 +00001458void Magick::Image::alpha ( const unsigned int alpha_ )
cristy3ed852e2009-09-05 21:47:34 +00001459{
1460 modifyImage();
cristy4c08aed2011-07-01 19:47:50 +00001461 SetImageOpacity( image(), alpha_ );
cristy3ed852e2009-09-05 21:47:34 +00001462}
1463
1464// Change the color of an opaque pixel to the pen color.
1465void Magick::Image::opaque ( const Color &opaqueColor_,
1466 const Color &penColor_ )
1467{
1468 if ( !opaqueColor_.isValid() )
1469 {
1470 throwExceptionExplicit( OptionError,
1471 "Opaque color argument is invalid" );
1472 }
1473 if ( !penColor_.isValid() )
1474 {
1475 throwExceptionExplicit( OptionError,
1476 "Pen color argument is invalid" );
1477 }
1478
1479 modifyImage();
1480 std::string opaqueColor = opaqueColor_;
1481 std::string penColor = penColor_;
1482
cristy4c08aed2011-07-01 19:47:50 +00001483 PixelInfo opaque;
1484 PixelInfo pen;
cristy189e84c2011-08-27 18:08:53 +00001485 ExceptionInfo exceptionInfo;
1486 GetExceptionInfo( &exceptionInfo );
1487 (void) QueryMagickColor(std::string(opaqueColor_).c_str(),&opaque, &exceptionInfo);
1488 (void) QueryMagickColor(std::string(penColor_).c_str(),&pen, &exceptionInfo);
1489 OpaquePaintImage ( image(), &opaque, &pen, MagickFalse, &exceptionInfo );
1490 throwException( exceptionInfo );
1491 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001492}
1493
1494// Ping is similar to read except only enough of the image is read to
1495// determine the image columns, rows, and filesize. Access the
1496// columns(), rows(), and fileSize() attributes after invoking ping.
1497// The image data is not valid after calling ping.
1498void Magick::Image::ping ( const std::string &imageSpec_ )
1499{
1500 options()->fileName( imageSpec_ );
1501 ExceptionInfo exceptionInfo;
1502 GetExceptionInfo( &exceptionInfo );
1503 MagickCore::Image* image =
1504 PingImage( imageInfo(), &exceptionInfo );
1505 replaceImage( image );
1506 throwException( exceptionInfo );
1507 (void) DestroyExceptionInfo( &exceptionInfo );
1508}
1509
1510// Ping is similar to read except only enough of the image is read
1511// to determine the image columns, rows, and filesize. Access the
1512// columns(), rows(), and fileSize() attributes after invoking
1513// ping. The image data is not valid after calling ping.
1514void Magick::Image::ping ( const Blob& blob_ )
1515{
1516 ExceptionInfo exceptionInfo;
1517 GetExceptionInfo( &exceptionInfo );
1518 MagickCore::Image* image =
1519 PingBlob( imageInfo(), blob_.data(), blob_.length(), &exceptionInfo );
1520 replaceImage( image );
1521 throwException( exceptionInfo );
1522 (void) DestroyExceptionInfo( &exceptionInfo );
1523}
1524
1525// Execute a named process module using an argc/argv syntax similar to
1526// that accepted by a C 'main' routine. An exception is thrown if the
1527// requested process module doesn't exist, fails to load, or fails during
1528// execution.
cristyd99b0962010-05-29 23:14:26 +00001529void Magick::Image::process( std::string name_, const ssize_t argc, const char **argv )
cristy3ed852e2009-09-05 21:47:34 +00001530{
1531 modifyImage();
1532
cristyeaedf062010-05-29 22:36:02 +00001533 size_t status =
cristy3ed852e2009-09-05 21:47:34 +00001534 InvokeDynamicImageFilter( name_.c_str(), &image(), argc, argv,
1535 &image()->exception );
1536
1537 if (status == false)
1538 throwException( image()->exception );
1539}
1540
1541// Quantize colors in image using current quantization settings
1542// Set measureError_ to true in order to measure quantization error
1543void Magick::Image::quantize ( const bool measureError_ )
1544{
1545 modifyImage();
1546
1547 if (measureError_)
1548 options()->quantizeInfo()->measure_error=MagickTrue;
1549 else
1550 options()->quantizeInfo()->measure_error=MagickFalse;
1551
cristy018f07f2011-09-04 21:15:19 +00001552 ExceptionInfo exceptionInfo;
1553 GetExceptionInfo( &exceptionInfo );
1554 QuantizeImage( options()->quantizeInfo(), image(), &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001555
cristy018f07f2011-09-04 21:15:19 +00001556 throwException( exceptionInfo );
1557 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001558}
1559
1560// Apply an arithmetic or bitwise operator to the image pixel quantums.
1561void Magick::Image::quantumOperator ( const ChannelType channel_,
1562 const MagickEvaluateOperator operator_,
1563 double rvalue_)
1564{
1565 ExceptionInfo exceptionInfo;
1566 GetExceptionInfo( &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001567 ChannelType channel_mask = SetPixelChannelMask( image(), channel_ );
cristyd42d9952011-07-08 14:21:50 +00001568 EvaluateImage( image(), operator_, rvalue_, &exceptionInfo);
cristybd5a96c2011-08-21 00:04:26 +00001569 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00001570 throwException( exceptionInfo );
1571 (void) DestroyExceptionInfo( &exceptionInfo );
1572}
1573
cristyd99b0962010-05-29 23:14:26 +00001574void Magick::Image::quantumOperator ( const ssize_t x_,const ssize_t y_,
cristyeaedf062010-05-29 22:36:02 +00001575 const size_t columns_,
1576 const size_t rows_,
cristy3ed852e2009-09-05 21:47:34 +00001577 const ChannelType channel_,
1578 const MagickEvaluateOperator operator_,
1579 const double rvalue_)
1580{
1581 ExceptionInfo exceptionInfo;
1582 GetExceptionInfo( &exceptionInfo );
1583 RectangleInfo geometry;
1584 geometry.width = columns_;
1585 geometry.height = rows_;
1586 geometry.x = x_;
1587 geometry.y = y_;
1588 MagickCore::Image *crop_image = CropImage( image(), &geometry,
1589 &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001590 ChannelType channel_mask = SetPixelChannelMask( image(), channel_);
cristyd42d9952011-07-08 14:21:50 +00001591 EvaluateImage( crop_image, operator_, rvalue_, &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001592 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00001593 (void) CompositeImage( image(), image()->matte != MagickFalse ?
1594 OverCompositeOp : CopyCompositeOp, crop_image, geometry.x, geometry.y );
1595 crop_image = DestroyImageList(crop_image);
1596 throwException( exceptionInfo );
1597 (void) DestroyExceptionInfo( &exceptionInfo );
1598}
1599
1600// Raise image (lighten or darken the edges of an image to give a 3-D
1601// raised or lowered effect)
1602void Magick::Image::raise ( const Geometry &geometry_ ,
1603 const bool raisedFlag_ )
1604{
cristy6170ac32011-08-28 14:15:37 +00001605 ExceptionInfo exceptionInfo;
1606 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001607 RectangleInfo raiseInfo = geometry_;
1608 modifyImage();
cristy6170ac32011-08-28 14:15:37 +00001609 RaiseImage ( image(), &raiseInfo, raisedFlag_ == true ? MagickTrue : MagickFalse, &exceptionInfo );
1610 throwException( exceptionInfo );
1611 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001612}
1613
1614
1615// Random threshold image.
1616//
1617// Changes the value of individual pixels based on the intensity
1618// of each pixel compared to a random threshold. The result is a
1619// low-contrast, two color image. The thresholds_ argument is a
1620// geometry containing LOWxHIGH thresholds. If the string
1621// contains 2x2, 3x3, or 4x4, then an ordered dither of order 2,
1622// 3, or 4 will be performed instead. If a channel_ argument is
1623// specified then only the specified channel is altered. This is
1624// a very fast alternative to 'quantize' based dithering.
1625void Magick::Image::randomThreshold( const Geometry &thresholds_ )
1626{
1627 randomThresholdChannel(thresholds_,DefaultChannels);
1628}
1629void Magick::Image::randomThresholdChannel( const Geometry &thresholds_,
1630 const ChannelType channel_ )
1631{
1632 ExceptionInfo exceptionInfo;
1633 GetExceptionInfo( &exceptionInfo );
1634 modifyImage();
cristybd5a96c2011-08-21 00:04:26 +00001635 ChannelType channel_mask = SetPixelChannelMask( image(), channel_);
cristyf4ad9df2011-07-08 16:49:03 +00001636 (void) RandomThresholdImage( image(),
cristy3ed852e2009-09-05 21:47:34 +00001637 static_cast<std::string>(thresholds_).c_str(),
1638 &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001639 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00001640 throwImageException();
1641 (void) DestroyExceptionInfo( &exceptionInfo );
1642}
1643
1644// Read image into current object
1645void Magick::Image::read ( const std::string &imageSpec_ )
1646{
1647 options()->fileName( imageSpec_ );
1648
1649 ExceptionInfo exceptionInfo;
1650 GetExceptionInfo( &exceptionInfo );
1651 MagickCore::Image* image =
1652 ReadImage( imageInfo(), &exceptionInfo );
1653
1654 // Ensure that multiple image frames were not read.
1655 if ( image && image->next )
1656 {
1657 // Destroy any extra image frames
1658 MagickCore::Image* next = image->next;
1659 image->next = 0;
1660 next->previous = 0;
1661 DestroyImageList( next );
1662
1663 }
1664 replaceImage( image );
1665 throwException( exceptionInfo );
1666 if ( image )
1667 throwException( image->exception );
1668 (void) DestroyExceptionInfo( &exceptionInfo );
1669}
1670
1671// Read image of specified size into current object
1672void Magick::Image::read ( const Geometry &size_,
1673 const std::string &imageSpec_ )
1674{
1675 size( size_ );
1676 read( imageSpec_ );
1677}
1678
1679// Read image from in-memory BLOB
1680void Magick::Image::read ( const Blob &blob_ )
1681{
1682 ExceptionInfo exceptionInfo;
1683 GetExceptionInfo( &exceptionInfo );
1684 MagickCore::Image* image =
1685 BlobToImage( imageInfo(),
1686 static_cast<const void *>(blob_.data()),
1687 blob_.length(), &exceptionInfo );
1688 replaceImage( image );
1689 throwException( exceptionInfo );
1690 if ( image )
1691 throwException( image->exception );
1692 (void) DestroyExceptionInfo( &exceptionInfo );
1693}
1694
1695// Read image of specified size from in-memory BLOB
1696void Magick::Image::read ( const Blob &blob_,
1697 const Geometry &size_ )
1698{
1699 // Set image size
1700 size( size_ );
1701 // Read from Blob
1702 read( blob_ );
1703}
1704
1705// Read image of specified size and depth from in-memory BLOB
1706void Magick::Image::read ( const Blob &blob_,
1707 const Geometry &size_,
cristyeaedf062010-05-29 22:36:02 +00001708 const size_t depth_ )
cristy3ed852e2009-09-05 21:47:34 +00001709{
1710 // Set image size
1711 size( size_ );
1712 // Set image depth
1713 depth( depth_ );
1714 // Read from Blob
1715 read( blob_ );
1716}
1717
1718// Read image of specified size, depth, and format from in-memory BLOB
1719void Magick::Image::read ( const Blob &blob_,
1720 const Geometry &size_,
cristyeaedf062010-05-29 22:36:02 +00001721 const size_t depth_,
cristy3ed852e2009-09-05 21:47:34 +00001722 const std::string &magick_ )
1723{
1724 // Set image size
1725 size( size_ );
1726 // Set image depth
1727 depth( depth_ );
1728 // Set image magick
1729 magick( magick_ );
1730 // Set explicit image format
1731 fileName( magick_ + ':');
1732 // Read from Blob
1733 read( blob_ );
1734}
1735
1736// Read image of specified size, and format from in-memory BLOB
1737void Magick::Image::read ( const Blob &blob_,
1738 const Geometry &size_,
1739 const std::string &magick_ )
1740{
1741 // Set image size
1742 size( size_ );
1743 // Set image magick
1744 magick( magick_ );
1745 // Set explicit image format
1746 fileName( magick_ + ':');
1747 // Read from Blob
1748 read( blob_ );
1749}
1750
1751// Read image based on raw pixels in memory (ConstituteImage)
cristyeaedf062010-05-29 22:36:02 +00001752void Magick::Image::read ( const size_t width_,
1753 const size_t height_,
cristy3ed852e2009-09-05 21:47:34 +00001754 const std::string &map_,
1755 const StorageType type_,
1756 const void *pixels_ )
1757{
1758 ExceptionInfo exceptionInfo;
1759 GetExceptionInfo( &exceptionInfo );
1760 MagickCore::Image* image =
1761 ConstituteImage( width_, height_, map_.c_str(), type_, pixels_,
1762 &exceptionInfo );
1763 replaceImage( image );
1764 throwException( exceptionInfo );
1765 if ( image )
1766 throwException( image->exception );
1767 (void) DestroyExceptionInfo( &exceptionInfo );
1768}
1769
cristy3ed852e2009-09-05 21:47:34 +00001770// Reduce noise in image
1771void Magick::Image::reduceNoise ( const double order_ )
1772{
1773 ExceptionInfo exceptionInfo;
1774 GetExceptionInfo( &exceptionInfo );
1775 MagickCore::Image* newImage =
cristy95c38342011-03-18 22:39:51 +00001776 StatisticImage( image(), NonpeakStatistic, (size_t) order_, (size_t) order_,
1777 &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001778 replaceImage( newImage );
1779 throwException( exceptionInfo );
1780 (void) DestroyExceptionInfo( &exceptionInfo );
1781}
1782
1783// Resize image
1784void Magick::Image::resize( const Geometry &geometry_ )
1785{
1786 // Calculate new size. This code should be supported using binary arguments
1787 // in the ImageMagick library.
cristybb503372010-05-27 20:51:26 +00001788 ssize_t x = 0;
1789 ssize_t y = 0;
1790 size_t width = columns();
1791 size_t height = rows();
cristy3ed852e2009-09-05 21:47:34 +00001792
1793 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1794 &x, &y,
1795 &width, &height );
1796
1797 ExceptionInfo exceptionInfo;
1798 GetExceptionInfo( &exceptionInfo );
1799 MagickCore::Image* newImage =
1800 ResizeImage( image(),
1801 width,
1802 height,
1803 image()->filter,
1804 1.0,
1805 &exceptionInfo);
1806 replaceImage( newImage );
1807 throwException( exceptionInfo );
1808 (void) DestroyExceptionInfo( &exceptionInfo );
1809}
1810
1811// Roll image
1812void Magick::Image::roll ( const Geometry &roll_ )
1813{
cristybb503372010-05-27 20:51:26 +00001814 ssize_t xOff = roll_.xOff();
cristy3ed852e2009-09-05 21:47:34 +00001815 if ( roll_.xNegative() )
1816 xOff = 0 - xOff;
cristybb503372010-05-27 20:51:26 +00001817 ssize_t yOff = roll_.yOff();
cristy3ed852e2009-09-05 21:47:34 +00001818 if ( roll_.yNegative() )
1819 yOff = 0 - yOff;
1820
1821 ExceptionInfo exceptionInfo;
1822 GetExceptionInfo( &exceptionInfo );
1823 MagickCore::Image* newImage =
1824 RollImage( image(), xOff, yOff, &exceptionInfo );
1825 replaceImage( newImage );
1826 throwException( exceptionInfo );
1827 (void) DestroyExceptionInfo( &exceptionInfo );
1828}
cristyeaedf062010-05-29 22:36:02 +00001829void Magick::Image::roll ( const size_t columns_,
1830 const size_t rows_ )
cristy3ed852e2009-09-05 21:47:34 +00001831{
1832 ExceptionInfo exceptionInfo;
1833 GetExceptionInfo( &exceptionInfo );
1834 MagickCore::Image* newImage =
1835 RollImage( image(),
cristybb503372010-05-27 20:51:26 +00001836 static_cast<ssize_t>(columns_),
1837 static_cast<ssize_t>(rows_), &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001838 replaceImage( newImage );
1839 throwException( exceptionInfo );
1840 (void) DestroyExceptionInfo( &exceptionInfo );
1841}
1842
1843// Rotate image
1844void Magick::Image::rotate ( const double degrees_ )
1845{
1846 ExceptionInfo exceptionInfo;
1847 GetExceptionInfo( &exceptionInfo );
1848 MagickCore::Image* newImage =
1849 RotateImage( image(), degrees_, &exceptionInfo);
1850 replaceImage( newImage );
1851 throwException( exceptionInfo );
1852 (void) DestroyExceptionInfo( &exceptionInfo );
1853}
1854
1855// Sample image
1856void Magick::Image::sample ( const Geometry &geometry_ )
1857{
cristybb503372010-05-27 20:51:26 +00001858 ssize_t x = 0;
1859 ssize_t y = 0;
1860 size_t width = columns();
1861 size_t height = rows();
cristy3ed852e2009-09-05 21:47:34 +00001862
1863 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1864 &x, &y,
1865 &width, &height );
1866
1867 ExceptionInfo exceptionInfo;
1868 GetExceptionInfo( &exceptionInfo );
1869 MagickCore::Image* newImage =
1870 SampleImage( image(), width, height, &exceptionInfo );
1871 replaceImage( newImage );
1872 throwException( exceptionInfo );
1873 (void) DestroyExceptionInfo( &exceptionInfo );
1874}
1875
1876// Scale image
1877void Magick::Image::scale ( const Geometry &geometry_ )
1878{
cristybb503372010-05-27 20:51:26 +00001879 ssize_t x = 0;
1880 ssize_t y = 0;
1881 size_t width = columns();
1882 size_t height = rows();
cristy3ed852e2009-09-05 21:47:34 +00001883
1884 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1885 &x, &y,
1886 &width, &height );
1887
1888 ExceptionInfo exceptionInfo;
1889 GetExceptionInfo( &exceptionInfo );
1890 MagickCore::Image* newImage =
1891 ScaleImage( image(), width, height, &exceptionInfo );
1892 replaceImage( newImage );
1893 throwException( exceptionInfo );
1894 (void) DestroyExceptionInfo( &exceptionInfo );
1895}
1896
1897// Segment (coalesce similar image components) by analyzing the
1898// histograms of the color components and identifying units that are
1899// homogeneous with the fuzzy c-means technique.
1900void Magick::Image::segment ( const double clusterThreshold_,
1901 const double smoothingThreshold_ )
1902{
cristy018f07f2011-09-04 21:15:19 +00001903 ExceptionInfo exceptionInfo;
1904 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001905 modifyImage();
1906 SegmentImage ( image(),
1907 options()->quantizeColorSpace(),
1908 (MagickBooleanType) options()->verbose(),
1909 clusterThreshold_,
cristy018f07f2011-09-04 21:15:19 +00001910 smoothingThreshold_, &exceptionInfo );
1911 throwException( exceptionInfo );
1912 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00001913 SyncImage( image() );
cristy3ed852e2009-09-05 21:47:34 +00001914}
1915
1916// Shade image using distant light source
1917void Magick::Image::shade ( const double azimuth_,
1918 const double elevation_,
1919 const bool colorShading_ )
1920{
1921 ExceptionInfo exceptionInfo;
1922 GetExceptionInfo( &exceptionInfo );
1923 MagickCore::Image* newImage =
1924 ShadeImage( image(),
1925 colorShading_ == true ? MagickTrue : MagickFalse,
1926 azimuth_,
1927 elevation_,
1928 &exceptionInfo);
1929 replaceImage( newImage );
1930 throwException( exceptionInfo );
1931 (void) DestroyExceptionInfo( &exceptionInfo );
1932}
1933
1934// Sharpen pixels in image
1935void Magick::Image::sharpen ( const double radius_, const double sigma_ )
1936{
1937 ExceptionInfo exceptionInfo;
1938 GetExceptionInfo( &exceptionInfo );
1939 MagickCore::Image* newImage =
1940 SharpenImage( image(),
1941 radius_,
1942 sigma_,
cristy05c0c9a2011-09-05 23:16:13 +00001943 image()->bias,
cristy3ed852e2009-09-05 21:47:34 +00001944 &exceptionInfo );
1945 replaceImage( newImage );
1946 throwException( exceptionInfo );
1947 (void) DestroyExceptionInfo( &exceptionInfo );
1948}
1949
1950void Magick::Image::sharpenChannel ( const ChannelType channel_,
1951 const double radius_, const double sigma_ )
1952{
1953 ExceptionInfo exceptionInfo;
1954 GetExceptionInfo( &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001955 ChannelType channel_mask = SetPixelChannelMask( image(), channel_ );
cristy3ed852e2009-09-05 21:47:34 +00001956 MagickCore::Image* newImage =
cristyf4ad9df2011-07-08 16:49:03 +00001957 SharpenImage( image(),
cristy3ed852e2009-09-05 21:47:34 +00001958 radius_,
1959 sigma_,
cristy05c0c9a2011-09-05 23:16:13 +00001960 image()->bias,
cristy3ed852e2009-09-05 21:47:34 +00001961 &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00001962 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00001963 replaceImage( newImage );
1964 throwException( exceptionInfo );
1965 (void) DestroyExceptionInfo( &exceptionInfo );
1966}
1967
1968// Shave pixels from image edges.
1969void Magick::Image::shave ( const Geometry &geometry_ )
1970{
1971 RectangleInfo shaveInfo = geometry_;
1972 ExceptionInfo exceptionInfo;
1973 GetExceptionInfo( &exceptionInfo );
1974 MagickCore::Image* newImage =
1975 ShaveImage( image(),
1976 &shaveInfo,
1977 &exceptionInfo);
1978 replaceImage( newImage );
1979 throwException( exceptionInfo );
1980 (void) DestroyExceptionInfo( &exceptionInfo );
1981}
1982
1983// Shear image
1984void Magick::Image::shear ( const double xShearAngle_,
1985 const double yShearAngle_ )
1986{
1987 ExceptionInfo exceptionInfo;
1988 GetExceptionInfo( &exceptionInfo );
1989 MagickCore::Image* newImage =
1990 ShearImage( image(),
1991 xShearAngle_,
1992 yShearAngle_,
1993 &exceptionInfo );
1994 replaceImage( newImage );
1995 throwException( exceptionInfo );
1996 (void) DestroyExceptionInfo( &exceptionInfo );
1997}
1998
1999// Contrast image
cristyeaedf062010-05-29 22:36:02 +00002000void Magick::Image::sigmoidalContrast ( const size_t sharpen_, const double contrast, const double midpoint )
cristy3ed852e2009-09-05 21:47:34 +00002001{
cristy33bd5152011-08-24 01:42:24 +00002002 ExceptionInfo exceptionInfo;
2003 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002004 modifyImage();
cristy33bd5152011-08-24 01:42:24 +00002005 (void) SigmoidalContrastImage( image(), (MagickBooleanType) sharpen_, contrast, midpoint, &exceptionInfo );
2006 throwException( exceptionInfo );
2007 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002008}
2009
2010// Solarize image (similar to effect seen when exposing a photographic
2011// film to light during the development process)
2012void Magick::Image::solarize ( const double factor_ )
2013{
cristy5cbc0162011-08-29 00:36:28 +00002014 ExceptionInfo exceptionInfo;
2015 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002016 modifyImage();
cristy5cbc0162011-08-29 00:36:28 +00002017 SolarizeImage ( image(), factor_, &exceptionInfo );
2018 throwException( exceptionInfo );
2019 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002020}
2021
2022// Sparse color image, given a set of coordinates, interpolates the colors
2023// found at those coordinates, across the whole image, using various methods.
2024//
2025void Magick::Image::sparseColor ( const ChannelType channel,
2026 const SparseColorMethod method,
cristybb503372010-05-27 20:51:26 +00002027 const size_t number_arguments,
cristy3ed852e2009-09-05 21:47:34 +00002028 const double *arguments )
2029{
2030 ExceptionInfo exceptionInfo;
2031 GetExceptionInfo( &exceptionInfo );
cristy3884f692011-07-08 18:00:18 +00002032
cristybd5a96c2011-08-21 00:04:26 +00002033 ChannelType channel_mask = SetPixelChannelMask( image(), channel );
cristy3884f692011-07-08 18:00:18 +00002034 MagickCore::Image* newImage = SparseColorImage ( image(), method,
cristy3ed852e2009-09-05 21:47:34 +00002035 number_arguments, arguments, &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00002036 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00002037 replaceImage( newImage );
2038 throwException( exceptionInfo );
2039 (void) DestroyExceptionInfo( &exceptionInfo );
2040}
2041
2042// Spread pixels randomly within image by specified ammount
cristyeaedf062010-05-29 22:36:02 +00002043void Magick::Image::spread ( const size_t amount_ )
cristy3ed852e2009-09-05 21:47:34 +00002044{
2045 ExceptionInfo exceptionInfo;
2046 GetExceptionInfo( &exceptionInfo );
2047 MagickCore::Image* newImage =
2048 SpreadImage( image(),
2049 amount_,
cristy5c4e2582011-09-11 19:21:03 +00002050 image()->interpolate,
cristy3ed852e2009-09-05 21:47:34 +00002051 &exceptionInfo );
2052 replaceImage( newImage );
2053 throwException( exceptionInfo );
2054 (void) DestroyExceptionInfo( &exceptionInfo );
2055}
2056
2057// Add a digital watermark to the image (based on second image)
2058void Magick::Image::stegano ( const Image &watermark_ )
2059{
2060 ExceptionInfo exceptionInfo;
2061 GetExceptionInfo( &exceptionInfo );
2062 MagickCore::Image* newImage =
2063 SteganoImage( image(),
2064 watermark_.constImage(),
2065 &exceptionInfo);
2066 replaceImage( newImage );
2067 throwException( exceptionInfo );
2068 (void) DestroyExceptionInfo( &exceptionInfo );
2069}
2070
2071// Stereo image (left image is current image)
2072void Magick::Image::stereo ( const Image &rightImage_ )
2073{
2074 ExceptionInfo exceptionInfo;
2075 GetExceptionInfo( &exceptionInfo );
2076 MagickCore::Image* newImage =
2077 StereoImage( image(),
2078 rightImage_.constImage(),
2079 &exceptionInfo);
2080 replaceImage( newImage );
2081 throwException( exceptionInfo );
2082 (void) DestroyExceptionInfo( &exceptionInfo );
2083}
2084
2085// Swirl image
2086void Magick::Image::swirl ( const double degrees_ )
2087{
2088 ExceptionInfo exceptionInfo;
2089 GetExceptionInfo( &exceptionInfo );
2090 MagickCore::Image* newImage =
cristy76f512e2011-09-12 01:26:56 +00002091 SwirlImage( image(), degrees_, image()->interpolate,
cristy3ed852e2009-09-05 21:47:34 +00002092 &exceptionInfo);
2093 replaceImage( newImage );
2094 throwException( exceptionInfo );
2095 (void) DestroyExceptionInfo( &exceptionInfo );
2096}
2097
2098// Texture image
2099void Magick::Image::texture ( const Image &texture_ )
2100{
2101 modifyImage();
2102 TextureImage( image(), texture_.constImage() );
2103 throwImageException();
2104}
2105
2106// Threshold image
2107void Magick::Image::threshold ( const double threshold_ )
2108{
2109 modifyImage();
2110 BilevelImage( image(), threshold_ );
2111 throwImageException();
2112}
2113
2114// Transform image based on image geometry only
2115void Magick::Image::transform ( const Geometry &imageGeometry_ )
2116{
2117 modifyImage();
2118 TransformImage ( &(image()), 0,
2119 std::string(imageGeometry_).c_str() );
2120 throwImageException();
2121}
2122// Transform image based on image and crop geometries
2123void Magick::Image::transform ( const Geometry &imageGeometry_,
2124 const Geometry &cropGeometry_ )
2125{
2126 modifyImage();
2127 TransformImage ( &(image()), std::string(cropGeometry_).c_str(),
2128 std::string(imageGeometry_).c_str() );
2129 throwImageException();
2130}
2131
2132// Add matte image to image, setting pixels matching color to transparent
2133void Magick::Image::transparent ( const Color &color_ )
2134{
2135 if ( !color_.isValid() )
2136 {
2137 throwExceptionExplicit( OptionError,
2138 "Color argument is invalid" );
2139 }
2140
2141 std::string color = color_;
2142
cristy4c08aed2011-07-01 19:47:50 +00002143 PixelInfo target;
cristy3ed852e2009-09-05 21:47:34 +00002144 (void) QueryMagickColor(std::string(color_).c_str(),&target,&image()->exception);
cristy189e84c2011-08-27 18:08:53 +00002145 ExceptionInfo exceptionInfo;
2146 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002147 modifyImage();
cristy189e84c2011-08-27 18:08:53 +00002148 TransparentPaintImage ( image(), &target, TransparentAlpha, MagickFalse,
2149 &exceptionInfo );
2150 throwException( exceptionInfo );
2151 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002152}
2153
2154// Add matte image to image, setting pixels matching color to transparent
2155void Magick::Image::transparentChroma(const Color &colorLow_,
2156 const Color &colorHigh_)
2157{
2158 if ( !colorLow_.isValid() || !colorHigh_.isValid() )
2159 {
2160 throwExceptionExplicit( OptionError,
2161 "Color argument is invalid" );
2162 }
2163
2164 std::string colorLow = colorLow_;
2165 std::string colorHigh = colorHigh_;
2166
cristy4c08aed2011-07-01 19:47:50 +00002167 PixelInfo targetLow;
2168 PixelInfo targetHigh;
cristy3ed852e2009-09-05 21:47:34 +00002169 (void) QueryMagickColor(std::string(colorLow_).c_str(),&targetLow,
2170 &image()->exception);
2171 (void) QueryMagickColor(std::string(colorHigh_).c_str(),&targetHigh,
2172 &image()->exception);
cristy189e84c2011-08-27 18:08:53 +00002173 ExceptionInfo exceptionInfo;
2174 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002175 modifyImage();
2176 TransparentPaintImageChroma ( image(), &targetLow, &targetHigh,
cristy189e84c2011-08-27 18:08:53 +00002177 TransparentAlpha, MagickFalse, &exceptionInfo );
2178 throwException( exceptionInfo );
2179 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002180}
2181
2182
2183// Trim edges that are the background color from the image
2184void Magick::Image::trim ( void )
2185{
2186 ExceptionInfo exceptionInfo;
2187 GetExceptionInfo( &exceptionInfo );
2188 MagickCore::Image* newImage =
2189 TrimImage( image(), &exceptionInfo);
2190 replaceImage( newImage );
2191 throwException( exceptionInfo );
2192 (void) DestroyExceptionInfo( &exceptionInfo );
2193}
2194
2195// Replace image with a sharpened version of the original image
2196// using the unsharp mask algorithm.
2197// radius_
2198// the radius of the Gaussian, in pixels, not counting the
2199// center pixel.
2200// sigma_
2201// the standard deviation of the Gaussian, in pixels.
2202// amount_
2203// the percentage of the difference between the original and
2204// the blur image that is added back into the original.
2205// threshold_
2206// the threshold in pixels needed to apply the diffence amount.
2207void Magick::Image::unsharpmask ( const double radius_,
2208 const double sigma_,
2209 const double amount_,
2210 const double threshold_ )
2211{
2212 ExceptionInfo exceptionInfo;
2213 GetExceptionInfo( &exceptionInfo );
2214 MagickCore::Image* newImage =
2215 UnsharpMaskImage( image(),
2216 radius_,
2217 sigma_,
2218 amount_,
2219 threshold_,
2220 &exceptionInfo );
2221 replaceImage( newImage );
2222 throwException( exceptionInfo );
2223 (void) DestroyExceptionInfo( &exceptionInfo );
2224}
2225
2226void Magick::Image::unsharpmaskChannel ( const ChannelType channel_,
2227 const double radius_,
2228 const double sigma_,
2229 const double amount_,
2230 const double threshold_ )
2231{
2232 ExceptionInfo exceptionInfo;
2233 GetExceptionInfo( &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00002234 ChannelType channel_mask = SetPixelChannelMask( image(), channel_ );
cristy3ed852e2009-09-05 21:47:34 +00002235 MagickCore::Image* newImage =
cristyf4ad9df2011-07-08 16:49:03 +00002236 UnsharpMaskImage( image(),
cristy3ed852e2009-09-05 21:47:34 +00002237 radius_,
2238 sigma_,
2239 amount_,
2240 threshold_,
2241 &exceptionInfo );
cristybd5a96c2011-08-21 00:04:26 +00002242 (void) SetPixelChannelMap( image(), channel_mask );
cristy3ed852e2009-09-05 21:47:34 +00002243 replaceImage( newImage );
2244 throwException( exceptionInfo );
2245 (void) DestroyExceptionInfo( &exceptionInfo );
2246}
2247
2248// Map image pixels to a sine wave
2249void Magick::Image::wave ( const double amplitude_, const double wavelength_ )
2250{
2251 ExceptionInfo exceptionInfo;
2252 GetExceptionInfo( &exceptionInfo );
2253 MagickCore::Image* newImage =
2254 WaveImage( image(),
2255 amplitude_,
2256 wavelength_,
cristy5c4e2582011-09-11 19:21:03 +00002257 image()->interpolate,
cristy3ed852e2009-09-05 21:47:34 +00002258 &exceptionInfo);
2259 replaceImage( newImage );
2260 throwException( exceptionInfo );
2261 (void) DestroyExceptionInfo( &exceptionInfo );
2262}
2263
2264// Write image to file
2265void Magick::Image::write( const std::string &imageSpec_ )
2266{
cristy6f9e0d32011-08-28 16:32:09 +00002267 ExceptionInfo exceptionInfo;
2268 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002269 modifyImage();
2270 fileName( imageSpec_ );
cristy6f9e0d32011-08-28 16:32:09 +00002271 WriteImage( imageInfo(), image(), &exceptionInfo );
2272 throwException( exceptionInfo );
2273 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002274}
2275
2276// Write image to in-memory BLOB
2277void Magick::Image::write ( Blob *blob_ )
2278{
2279 modifyImage();
2280 size_t length = 2048; // Efficient size for small images
2281 ExceptionInfo exceptionInfo;
2282 GetExceptionInfo( &exceptionInfo );
2283 void* data = ImageToBlob( imageInfo(),
2284 image(),
2285 &length,
2286 &exceptionInfo);
2287 throwException( exceptionInfo );
2288 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2289 throwImageException();
2290 (void) DestroyExceptionInfo( &exceptionInfo );
2291}
2292void Magick::Image::write ( Blob *blob_,
2293 const std::string &magick_ )
2294{
2295 modifyImage();
2296 magick(magick_);
2297 size_t length = 2048; // Efficient size for small images
2298 ExceptionInfo exceptionInfo;
2299 GetExceptionInfo( &exceptionInfo );
2300 void* data = ImageToBlob( imageInfo(),
2301 image(),
2302 &length,
2303 &exceptionInfo);
2304 throwException( exceptionInfo );
2305 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2306 throwImageException();
2307 (void) DestroyExceptionInfo( &exceptionInfo );
2308}
2309void Magick::Image::write ( Blob *blob_,
2310 const std::string &magick_,
cristyeaedf062010-05-29 22:36:02 +00002311 const size_t depth_ )
cristy3ed852e2009-09-05 21:47:34 +00002312{
2313 modifyImage();
2314 magick(magick_);
2315 depth(depth_);
2316 size_t length = 2048; // Efficient size for small images
2317 ExceptionInfo exceptionInfo;
2318 GetExceptionInfo( &exceptionInfo );
2319 void* data = ImageToBlob( imageInfo(),
2320 image(),
2321 &length,
2322 &exceptionInfo);
2323 throwException( exceptionInfo );
2324 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2325 throwImageException();
2326 (void) DestroyExceptionInfo( &exceptionInfo );
2327}
2328
2329// Write image to an array of pixels with storage type specified
2330// by user (ExportImagePixels), e.g.
2331// image.write( 0, 0, 640, 1, "RGB", 0, pixels );
cristyd99b0962010-05-29 23:14:26 +00002332void Magick::Image::write ( const ssize_t x_,
2333 const ssize_t y_,
cristyeaedf062010-05-29 22:36:02 +00002334 const size_t columns_,
2335 const size_t rows_,
cristy3ed852e2009-09-05 21:47:34 +00002336 const std::string &map_,
2337 const StorageType type_,
2338 void *pixels_ )
2339{
2340 ExceptionInfo exceptionInfo;
2341 GetExceptionInfo( &exceptionInfo );
2342 ExportImagePixels( image(), x_, y_, columns_, rows_, map_.c_str(), type_,
2343 pixels_,
2344 &exceptionInfo);
2345 throwException( exceptionInfo );
2346 (void) DestroyExceptionInfo( &exceptionInfo );
2347}
2348
2349// Zoom image
2350void Magick::Image::zoom( const Geometry &geometry_ )
2351{
2352 // Calculate new size. This code should be supported using binary arguments
2353 // in the ImageMagick library.
cristybb503372010-05-27 20:51:26 +00002354 ssize_t x = 0;
2355 ssize_t y = 0;
2356 size_t width = columns();
2357 size_t height = rows();
cristy3ed852e2009-09-05 21:47:34 +00002358
2359 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
2360 &x, &y,
2361 &width, &height );
2362
2363 ExceptionInfo exceptionInfo;
2364 GetExceptionInfo( &exceptionInfo );
2365 MagickCore::Image* newImage =
cristy391f1ce2010-09-09 17:23:28 +00002366 ResizeImage( image(),
cristy3ed852e2009-09-05 21:47:34 +00002367 width,
2368 height,
cristy391f1ce2010-09-09 17:23:28 +00002369 image()->filter,
2370 image()->blur,
cristy3ed852e2009-09-05 21:47:34 +00002371 &exceptionInfo);
2372 replaceImage( newImage );
2373 throwException( exceptionInfo );
2374 (void) DestroyExceptionInfo( &exceptionInfo );
2375}
2376
2377/*
2378 * Methods for setting image attributes
2379 *
2380 */
2381
2382// Join images into a single multi-image file
2383void Magick::Image::adjoin ( const bool flag_ )
2384{
2385 modifyImage();
2386 options()->adjoin( flag_ );
2387}
2388bool Magick::Image::adjoin ( void ) const
2389{
2390 return constOptions()->adjoin();
2391}
2392
2393// Remove pixel aliasing
2394void Magick::Image::antiAlias( const bool flag_ )
2395{
2396 modifyImage();
cristyeaedf062010-05-29 22:36:02 +00002397 options()->antiAlias( static_cast<size_t>(flag_) );
cristy3ed852e2009-09-05 21:47:34 +00002398}
2399bool Magick::Image::antiAlias( void )
2400{
2401 return static_cast<bool>( options()->antiAlias( ) );
2402}
2403
2404// Animation inter-frame delay
cristyeaedf062010-05-29 22:36:02 +00002405void Magick::Image::animationDelay ( const size_t delay_ )
cristy3ed852e2009-09-05 21:47:34 +00002406{
2407 modifyImage();
2408 image()->delay = delay_;
2409}
cristyeaedf062010-05-29 22:36:02 +00002410size_t Magick::Image::animationDelay ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00002411{
2412 return constImage()->delay;
2413}
2414
2415// Number of iterations to play animation
cristyeaedf062010-05-29 22:36:02 +00002416void Magick::Image::animationIterations ( const size_t iterations_ )
cristy3ed852e2009-09-05 21:47:34 +00002417{
2418 modifyImage();
2419 image()->iterations = iterations_;
2420}
cristyeaedf062010-05-29 22:36:02 +00002421size_t Magick::Image::animationIterations ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00002422{
2423 return constImage()->iterations;
2424}
2425
2426// Access/Update a named image attribute
2427void Magick::Image::attribute ( const std::string name_,
2428 const std::string value_ )
2429{
2430 modifyImage();
2431 SetImageProperty( image(), name_.c_str(), value_.c_str() );
2432}
2433std::string Magick::Image::attribute ( const std::string name_ )
2434{
2435 const char *value = GetImageProperty( constImage(), name_.c_str() );
2436
2437 if ( value )
2438 return std::string( value );
2439
2440 return std::string(); // Intentionally no exception
2441}
2442
2443// Background color
cristy391f1ce2010-09-09 17:23:28 +00002444void Magick::Image::backgroundColor ( const Color &backgroundColor_ )
cristy3ed852e2009-09-05 21:47:34 +00002445{
2446 modifyImage();
2447
cristy391f1ce2010-09-09 17:23:28 +00002448 if ( backgroundColor_.isValid() )
cristy3ed852e2009-09-05 21:47:34 +00002449 {
cristy391f1ce2010-09-09 17:23:28 +00002450 image()->background_color = backgroundColor_;
cristy3ed852e2009-09-05 21:47:34 +00002451 }
2452 else
2453 {
cristy391f1ce2010-09-09 17:23:28 +00002454 image()->background_color = Color();
cristy3ed852e2009-09-05 21:47:34 +00002455 }
2456
cristy391f1ce2010-09-09 17:23:28 +00002457 options()->backgroundColor( backgroundColor_ );
cristy3ed852e2009-09-05 21:47:34 +00002458}
2459Magick::Color Magick::Image::backgroundColor ( void ) const
2460{
2461 return constOptions()->backgroundColor( );
2462}
2463
2464// Background fill texture
2465void Magick::Image::backgroundTexture ( const std::string &backgroundTexture_ )
2466{
2467 modifyImage();
2468 options()->backgroundTexture( backgroundTexture_ );
2469}
2470std::string Magick::Image::backgroundTexture ( void ) const
2471{
2472 return constOptions()->backgroundTexture( );
2473}
2474
2475// Original image columns
cristyeaedf062010-05-29 22:36:02 +00002476size_t Magick::Image::baseColumns ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00002477{
2478 return constImage()->magick_columns;
2479}
2480
2481// Original image name
2482std::string Magick::Image::baseFilename ( void ) const
2483{
2484 return std::string(constImage()->magick_filename);
2485}
2486
2487// Original image rows
cristyeaedf062010-05-29 22:36:02 +00002488size_t Magick::Image::baseRows ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00002489{
2490 return constImage()->magick_rows;
2491}
2492
2493// Border color
cristy391f1ce2010-09-09 17:23:28 +00002494void Magick::Image::borderColor ( const Color &borderColor_ )
cristy3ed852e2009-09-05 21:47:34 +00002495{
2496 modifyImage();
2497
cristy391f1ce2010-09-09 17:23:28 +00002498 if ( borderColor_.isValid() )
cristy3ed852e2009-09-05 21:47:34 +00002499 {
cristy391f1ce2010-09-09 17:23:28 +00002500 image()->border_color = borderColor_;
cristy3ed852e2009-09-05 21:47:34 +00002501 }
2502 else
2503 {
cristy391f1ce2010-09-09 17:23:28 +00002504 image()->border_color = Color();
cristy3ed852e2009-09-05 21:47:34 +00002505 }
2506
cristy391f1ce2010-09-09 17:23:28 +00002507 options()->borderColor( borderColor_ );
cristy3ed852e2009-09-05 21:47:34 +00002508}
2509Magick::Color Magick::Image::borderColor ( void ) const
2510{
2511 return constOptions()->borderColor( );
2512}
2513
2514// Return smallest bounding box enclosing non-border pixels. The
2515// current fuzz value is used when discriminating between pixels.
2516// This is the crop bounding box used by crop(Geometry(0,0));
2517Magick::Geometry Magick::Image::boundingBox ( void ) const
2518{
2519 ExceptionInfo exceptionInfo;
2520 GetExceptionInfo( &exceptionInfo );
2521 RectangleInfo bbox = GetImageBoundingBox( constImage(), &exceptionInfo);
2522 throwException( exceptionInfo );
2523 (void) DestroyExceptionInfo( &exceptionInfo );
2524 return Geometry( bbox );
2525}
2526
2527// Text bounding-box base color
2528void Magick::Image::boxColor ( const Color &boxColor_ )
2529{
2530 modifyImage();
2531 options()->boxColor( boxColor_ );
2532}
2533Magick::Color Magick::Image::boxColor ( void ) const
2534{
2535 return constOptions()->boxColor( );
2536}
2537
2538// Pixel cache threshold. Once this threshold is exceeded, all
2539// subsequent pixels cache operations are to/from disk.
2540// This setting is shared by all Image objects.
2541/* static */
cristyeaedf062010-05-29 22:36:02 +00002542void Magick::Image::cacheThreshold ( const size_t threshold_ )
cristy3ed852e2009-09-05 21:47:34 +00002543{
2544 SetMagickResourceLimit( MemoryResource, threshold_ );
2545}
2546
2547void Magick::Image::chromaBluePrimary ( const double x_, const double y_ )
2548{
2549 modifyImage();
2550 image()->chromaticity.blue_primary.x = x_;
2551 image()->chromaticity.blue_primary.y = y_;
2552}
2553void Magick::Image::chromaBluePrimary ( double *x_, double *y_ ) const
2554{
2555 *x_ = constImage()->chromaticity.blue_primary.x;
2556 *y_ = constImage()->chromaticity.blue_primary.y;
2557}
2558
2559void Magick::Image::chromaGreenPrimary ( const double x_, const double y_ )
2560{
2561 modifyImage();
2562 image()->chromaticity.green_primary.x = x_;
2563 image()->chromaticity.green_primary.y = y_;
2564}
2565void Magick::Image::chromaGreenPrimary ( double *x_, double *y_ ) const
2566{
2567 *x_ = constImage()->chromaticity.green_primary.x;
2568 *y_ = constImage()->chromaticity.green_primary.y;
2569}
2570
2571void Magick::Image::chromaRedPrimary ( const double x_, const double y_ )
2572{
2573 modifyImage();
2574 image()->chromaticity.red_primary.x = x_;
2575 image()->chromaticity.red_primary.y = y_;
2576}
2577void Magick::Image::chromaRedPrimary ( double *x_, double *y_ ) const
2578{
2579 *x_ = constImage()->chromaticity.red_primary.x;
2580 *y_ = constImage()->chromaticity.red_primary.y;
2581}
2582
2583void Magick::Image::chromaWhitePoint ( const double x_, const double y_ )
2584{
2585 modifyImage();
2586 image()->chromaticity.white_point.x = x_;
2587 image()->chromaticity.white_point.y = y_;
2588}
2589void Magick::Image::chromaWhitePoint ( double *x_, double *y_ ) const
2590{
2591 *x_ = constImage()->chromaticity.white_point.x;
2592 *y_ = constImage()->chromaticity.white_point.y;
2593}
2594
2595// Set image storage class
2596void Magick::Image::classType ( const ClassType class_ )
2597{
2598 if ( classType() == PseudoClass && class_ == DirectClass )
2599 {
2600 // Use SyncImage to synchronize the DirectClass pixels with the
2601 // color map and then set to DirectClass type.
2602 modifyImage();
2603 SyncImage( image() );
2604 image()->colormap = (PixelPacket *)
2605 RelinquishMagickMemory( image()->colormap );
2606 image()->storage_class = static_cast<MagickCore::ClassType>(DirectClass);
2607 return;
2608 }
2609
2610 if ( classType() == DirectClass && class_ == PseudoClass )
2611 {
2612 // Quantize to create PseudoClass color map
2613 modifyImage();
cristye6bbc092010-05-12 17:00:47 +00002614 quantizeColors(MaxColormapSize);
cristy3ed852e2009-09-05 21:47:34 +00002615 quantize();
2616 image()->storage_class = static_cast<MagickCore::ClassType>(PseudoClass);
2617 }
2618}
2619
2620// Associate a clip mask with the image. The clip mask must be the
2621// same dimensions as the image. Pass an invalid image to unset an
2622// existing clip mask.
2623void Magick::Image::clipMask ( const Magick::Image & clipMask_ )
2624{
2625 modifyImage();
2626
cristy018f07f2011-09-04 21:15:19 +00002627 ExceptionInfo exceptionInfo;
2628 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002629 if( clipMask_.isValid() )
2630 {
2631 // Set clip mask
cristy018f07f2011-09-04 21:15:19 +00002632 SetImageClipMask( image(), clipMask_.constImage(), &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002633 }
2634 else
2635 {
2636 // Unset existing clip mask
cristy018f07f2011-09-04 21:15:19 +00002637 SetImageClipMask( image(), 0, &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002638 }
cristy018f07f2011-09-04 21:15:19 +00002639 throwException( exceptionInfo );
2640 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00002641}
2642Magick::Image Magick::Image::clipMask ( void ) const
2643{
cristy018f07f2011-09-04 21:15:19 +00002644 ExceptionInfo exceptionInfo;
2645 GetExceptionInfo( &exceptionInfo );
2646 MagickCore::Image* image =
2647 GetImageClipMask( constImage(), &exceptionInfo );
2648 throwException( exceptionInfo );
2649 (void) DestroyExceptionInfo( &exceptionInfo );
2650 return Magick::Image( image );
cristy3ed852e2009-09-05 21:47:34 +00002651}
2652
2653void Magick::Image::colorFuzz ( const double fuzz_ )
2654{
2655 modifyImage();
2656 image()->fuzz = fuzz_;
2657 options()->colorFuzz( fuzz_ );
2658}
2659double Magick::Image::colorFuzz ( void ) const
2660{
2661 return constOptions()->colorFuzz( );
2662}
2663
2664// Set color in colormap at index
cristyeaedf062010-05-29 22:36:02 +00002665void Magick::Image::colorMap ( const size_t index_,
cristy3ed852e2009-09-05 21:47:34 +00002666 const Color &color_ )
2667{
2668 MagickCore::Image* imageptr = image();
2669
2670 if (index_ > (MaxColormapSize-1) )
2671 throwExceptionExplicit( OptionError,
2672 "Colormap index must be less than MaxColormapSize" );
2673
2674 if ( !color_.isValid() )
2675 throwExceptionExplicit( OptionError,
2676 "Color argument is invalid");
2677 modifyImage();
2678
2679 // Ensure that colormap size is large enough
2680 if ( colorMapSize() < (index_+1) )
2681 colorMapSize( index_ + 1 );
2682
2683 // Set color at index in colormap
2684 (imageptr->colormap)[index_] = color_;
2685}
2686// Return color in colormap at index
cristyeaedf062010-05-29 22:36:02 +00002687Magick::Color Magick::Image::colorMap ( const size_t index_ ) const
cristy3ed852e2009-09-05 21:47:34 +00002688{
2689 const MagickCore::Image* imageptr = constImage();
2690
2691 if ( !imageptr->colormap )
2692 throwExceptionExplicit( OptionError,
2693 "Image does not contain a colormap");
2694
2695 if ( index_ > imageptr->colors-1 )
2696 throwExceptionExplicit( OptionError,
2697 "Index out of range");
2698
2699 return Magick::Color( (imageptr->colormap)[index_] );
2700}
2701
2702// Colormap size (number of colormap entries)
cristyeaedf062010-05-29 22:36:02 +00002703void Magick::Image::colorMapSize ( const size_t entries_ )
cristy3ed852e2009-09-05 21:47:34 +00002704{
2705 if (entries_ >MaxColormapSize )
2706 throwExceptionExplicit( OptionError,
2707 "Colormap entries must not exceed MaxColormapSize" );
2708
2709 modifyImage();
2710
2711 MagickCore::Image* imageptr = image();
2712
2713 if( !imageptr->colormap )
2714 {
2715 // Allocate colormap
2716 imageptr->colormap =
2717 static_cast<PixelPacket*>(AcquireMagickMemory(entries_*sizeof(PixelPacket)));
2718 imageptr->colors = 0;
2719 }
2720 else if ( entries_ > imageptr->colors )
2721 {
2722 // Re-allocate colormap
2723 imageptr->colormap=(PixelPacket *)
2724 ResizeMagickMemory(imageptr->colormap,(entries_)*sizeof(PixelPacket));
2725 }
2726
2727 // Initialize any new colormap entries as all black
2728 Color black(0,0,0);
cristyeaedf062010-05-29 22:36:02 +00002729 for( size_t i=imageptr->colors; i<(entries_-1); i++ )
cristy3ed852e2009-09-05 21:47:34 +00002730 (imageptr->colormap)[i] = black;
2731
2732 imageptr->colors = entries_;
2733}
cristyeaedf062010-05-29 22:36:02 +00002734size_t Magick::Image::colorMapSize ( void )
cristy3ed852e2009-09-05 21:47:34 +00002735{
2736 const MagickCore::Image* imageptr = constImage();
2737
2738 if ( !imageptr->colormap )
2739 throwExceptionExplicit( OptionError,
2740 "Image does not contain a colormap");
2741
2742 return imageptr->colors;
2743}
2744
2745// Image colorspace
2746void Magick::Image::colorSpace( const ColorspaceType colorSpace_ )
2747{
2748 // Nothing to do?
2749 if ( image()->colorspace == colorSpace_ )
2750 return;
2751
2752 modifyImage();
2753
2754 if ( colorSpace_ != RGBColorspace &&
cristy510d06a2011-07-06 23:43:54 +00002755 colorSpace_ != sRGBColorspace &&
cristy3ed852e2009-09-05 21:47:34 +00002756 colorSpace_ != TransparentColorspace &&
2757 colorSpace_ != GRAYColorspace )
2758 {
2759 if (image()->colorspace != RGBColorspace &&
cristy510d06a2011-07-06 23:43:54 +00002760 image()->colorspace != sRGBColorspace &&
cristy3ed852e2009-09-05 21:47:34 +00002761 image()->colorspace != TransparentColorspace &&
2762 image()->colorspace != GRAYColorspace)
2763 {
2764 /* Transform to RGB colorspace as intermediate step */
2765 TransformRGBImage( image(), image()->colorspace );
2766 throwImageException();
2767 }
2768 /* Transform to final non-RGB colorspace */
2769 RGBTransformImage( image(), colorSpace_ );
2770 throwImageException();
2771 return;
2772 }
2773
2774 if ( colorSpace_ == RGBColorspace ||
cristy510d06a2011-07-06 23:43:54 +00002775 colorSpace_ == sRGBColorspace ||
cristy3ed852e2009-09-05 21:47:34 +00002776 colorSpace_ == TransparentColorspace ||
2777 colorSpace_ == GRAYColorspace )
2778 {
2779 /* Transform to a RGB-type colorspace */
2780 TransformRGBImage( image(), image()->colorspace );
2781 throwImageException();
2782 return;
2783 }
2784}
2785Magick::ColorspaceType Magick::Image::colorSpace ( void ) const
2786{
2787 return constImage()->colorspace;
2788}
2789
2790// Set image colorspace type.
2791void Magick::Image::colorspaceType( const ColorspaceType colorSpace_ )
2792{
2793 modifyImage();
2794 options()->colorspaceType( colorSpace_ );
2795}
2796Magick::ColorspaceType Magick::Image::colorspaceType ( void ) const
2797{
2798 return constOptions()->colorspaceType();
2799}
2800
2801
2802// Comment string
2803void Magick::Image::comment ( const std::string &comment_ )
2804{
2805 modifyImage();
2806 SetImageProperty( image(), "Comment", NULL );
2807 if ( comment_.length() > 0 )
2808 SetImageProperty( image(), "Comment", comment_.c_str() );
2809 throwImageException();
2810}
2811std::string Magick::Image::comment ( void ) const
2812{
2813 const char *value = GetImageProperty( constImage(), "Comment" );
2814
2815 if ( value )
2816 return std::string( value );
2817
2818 return std::string(); // Intentionally no exception
2819}
2820
2821// Composition operator to be used when composition is implicitly used
2822// (such as for image flattening).
2823void Magick::Image::compose (const CompositeOperator compose_)
2824{
2825 image()->compose=compose_;
2826}
2827
2828Magick::CompositeOperator Magick::Image::compose ( void ) const
2829{
2830 return constImage()->compose;
2831}
2832
2833// Compression algorithm
2834void Magick::Image::compressType ( const CompressionType compressType_ )
2835{
2836 modifyImage();
2837 image()->compression = compressType_;
2838 options()->compressType( compressType_ );
2839}
2840Magick::CompressionType Magick::Image::compressType ( void ) const
2841{
2842 return constImage()->compression;
2843}
2844
2845// Enable printing of debug messages from ImageMagick
2846void Magick::Image::debug ( const bool flag_ )
2847{
2848 modifyImage();
2849 options()->debug( flag_ );
2850}
2851bool Magick::Image::debug ( void ) const
2852{
2853 return constOptions()->debug();
2854}
2855
2856// Tagged image format define (set/access coder-specific option) The
2857// magick_ option specifies the coder the define applies to. The key_
2858// option provides the key specific to that coder. The value_ option
2859// provides the value to set (if any). See the defineSet() method if the
2860// key must be removed entirely.
2861void Magick::Image::defineValue ( const std::string &magick_,
2862 const std::string &key_,
2863 const std::string &value_ )
2864{
2865 modifyImage();
2866 std::string format = magick_ + ":" + key_;
2867 std::string option = value_;
2868 (void) SetImageOption ( imageInfo(), format.c_str(), option.c_str() );
2869}
2870std::string Magick::Image::defineValue ( const std::string &magick_,
2871 const std::string &key_ ) const
2872{
2873 std::string definition = magick_ + ":" + key_;
2874 const char *option =
2875 GetImageOption ( constImageInfo(), definition.c_str() );
2876 if (option)
2877 return std::string( option );
2878 return std::string( );
2879}
2880
2881// Tagged image format define. Similar to the defineValue() method
2882// except that passing the flag_ value 'true' creates a value-less
2883// define with that format and key. Passing the flag_ value 'false'
2884// removes any existing matching definition. The method returns 'true'
2885// if a matching key exists, and 'false' if no matching key exists.
2886void Magick::Image::defineSet ( const std::string &magick_,
2887 const std::string &key_,
2888 bool flag_ )
2889{
2890 modifyImage();
2891 std::string definition = magick_ + ":" + key_;
2892 if (flag_)
2893 {
2894 (void) SetImageOption ( imageInfo(), definition.c_str(), "" );
2895 }
2896 else
2897 {
2898 DeleteImageOption( imageInfo(), definition.c_str() );
2899 }
2900}
2901bool Magick::Image::defineSet ( const std::string &magick_,
2902 const std::string &key_ ) const
2903{
2904 std::string key = magick_ + ":" + key_;
2905 const char *option =
2906 GetImageOption ( constImageInfo(), key.c_str() );
2907 if (option)
2908 return true;
2909 return false;
2910}
2911
2912// Pixel resolution
2913void Magick::Image::density ( const Geometry &density_ )
2914{
2915 modifyImage();
2916 options()->density( density_ );
2917 if ( density_.isValid() )
2918 {
2919 image()->x_resolution = density_.width();
2920 if ( density_.height() != 0 )
2921 {
2922 image()->y_resolution = density_.height();
2923 }
2924 else
2925 {
2926 image()->y_resolution = density_.width();
2927 }
2928 }
2929 else
2930 {
2931 // Reset to default
2932 image()->x_resolution = 0;
2933 image()->y_resolution = 0;
2934 }
2935}
2936Magick::Geometry Magick::Image::density ( void ) const
2937{
2938 if (isValid())
2939 {
cristy35ef8242010-06-03 16:24:13 +00002940 ssize_t x_resolution=72;
2941 ssize_t y_resolution=72;
cristy3ed852e2009-09-05 21:47:34 +00002942
2943 if (constImage()->x_resolution > 0.0)
cristy9e7ec532010-06-03 18:40:45 +00002944 x_resolution=static_cast<ssize_t>(constImage()->x_resolution + 0.5);
cristy3ed852e2009-09-05 21:47:34 +00002945
2946 if (constImage()->y_resolution > 0.0)
cristy9e7ec532010-06-03 18:40:45 +00002947 y_resolution=static_cast<ssize_t>(constImage()->y_resolution + 0.5);
cristy3ed852e2009-09-05 21:47:34 +00002948
2949 return Geometry(x_resolution,y_resolution);
2950 }
2951
2952 return constOptions()->density( );
2953}
2954
2955// Image depth (bits allocated to red/green/blue components)
cristyeaedf062010-05-29 22:36:02 +00002956void Magick::Image::depth ( const size_t depth_ )
cristy3ed852e2009-09-05 21:47:34 +00002957{
cristyeaedf062010-05-29 22:36:02 +00002958 size_t depth = depth_;
cristy3ed852e2009-09-05 21:47:34 +00002959
2960 if (depth > MAGICKCORE_QUANTUM_DEPTH)
2961 depth=MAGICKCORE_QUANTUM_DEPTH;
2962
2963 modifyImage();
2964 image()->depth=depth;
2965 options()->depth( depth );
2966}
cristyeaedf062010-05-29 22:36:02 +00002967size_t Magick::Image::depth ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00002968{
2969 return constImage()->depth;
2970}
2971
2972std::string Magick::Image::directory ( void ) const
2973{
2974 if ( constImage()->directory )
2975 return std::string( constImage()->directory );
2976
2977 throwExceptionExplicit( CorruptImageWarning,
2978 "Image does not contain a directory");
2979
2980 return std::string();
2981}
2982
2983// Endianness (little like Intel or big like SPARC) for image
2984// formats which support endian-specific options.
2985void Magick::Image::endian ( const Magick::EndianType endian_ )
2986{
2987 modifyImage();
2988 options()->endian( endian_ );
2989 image()->endian = endian_;
2990}
2991Magick::EndianType Magick::Image::endian ( void ) const
2992{
2993 return constImage()->endian;
2994}
2995
2996// EXIF profile (BLOB)
2997void Magick::Image::exifProfile( const Magick::Blob &exifProfile_ )
2998{
2999 modifyImage();
3000 if ( exifProfile_.data() != 0 )
3001 {
3002 StringInfo * exif_profile = AcquireStringInfo( exifProfile_.length() );
3003 SetStringInfoDatum(exif_profile ,(unsigned char *) exifProfile_.data());
3004 (void) SetImageProfile( image(), "exif", exif_profile);
3005 exif_profile =DestroyStringInfo( exif_profile );
3006 }
3007}
3008Magick::Blob Magick::Image::exifProfile( void ) const
3009{
3010 const StringInfo * exif_profile = GetImageProfile( constImage(), "exif" );
3011 if ( exif_profile == (StringInfo *) NULL)
3012 return Blob( 0, 0 );
3013 return Blob(GetStringInfoDatum(exif_profile),GetStringInfoLength(exif_profile));
3014}
3015
3016// Image file name
3017void Magick::Image::fileName ( const std::string &fileName_ )
3018{
3019 modifyImage();
3020
3021 fileName_.copy( image()->filename,
3022 sizeof(image()->filename) - 1 );
3023 image()->filename[ fileName_.length() ] = 0; // Null terminate
3024
3025 options()->fileName( fileName_ );
3026
3027}
3028std::string Magick::Image::fileName ( void ) const
3029{
3030 return constOptions()->fileName( );
3031}
3032
3033// Image file size
3034off_t Magick::Image::fileSize ( void ) const
3035{
3036 return (off_t) GetBlobSize( constImage() );
3037}
3038
3039// Color to use when drawing inside an object
3040void Magick::Image::fillColor ( const Magick::Color &fillColor_ )
3041{
3042 modifyImage();
3043 options()->fillColor(fillColor_);
3044}
3045Magick::Color Magick::Image::fillColor ( void ) const
3046{
3047 return constOptions()->fillColor();
3048}
3049
3050// Rule to use when filling drawn objects
3051void Magick::Image::fillRule ( const Magick::FillRule &fillRule_ )
3052{
3053 modifyImage();
3054 options()->fillRule(fillRule_);
3055}
3056Magick::FillRule Magick::Image::fillRule ( void ) const
3057{
3058 return constOptions()->fillRule();
3059}
3060
3061// Pattern to use while filling drawn objects.
3062void Magick::Image::fillPattern ( const Image &fillPattern_ )
3063{
3064 modifyImage();
3065 if(fillPattern_.isValid())
3066 options()->fillPattern( fillPattern_.constImage() );
3067 else
3068 options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
3069}
3070Magick::Image Magick::Image::fillPattern ( void ) const
3071{
3072 // FIXME: This is inordinately innefficient
3073 Image texture;
3074
3075 const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
3076
3077 if ( tmpTexture )
3078 {
3079 ExceptionInfo exceptionInfo;
3080 GetExceptionInfo( &exceptionInfo );
3081 MagickCore::Image* image =
3082 CloneImage( tmpTexture,
3083 0, // columns
3084 0, // rows
3085 MagickTrue, // orphan
3086 &exceptionInfo);
3087 texture.replaceImage( image );
3088 throwException( exceptionInfo );
3089 (void) DestroyExceptionInfo( &exceptionInfo );
3090 }
3091 return texture;
3092}
3093
3094// Filter used by zoom
3095void Magick::Image::filterType ( const Magick::FilterTypes filterType_ )
3096{
3097 modifyImage();
3098 image()->filter = filterType_;
3099}
3100Magick::FilterTypes Magick::Image::filterType ( void ) const
3101{
3102 return constImage()->filter;
3103}
3104
3105// Font name
3106void Magick::Image::font ( const std::string &font_ )
3107{
3108 modifyImage();
3109 options()->font( font_ );
3110}
3111std::string Magick::Image::font ( void ) const
3112{
3113 return constOptions()->font( );
3114}
3115
3116// Font point size
3117void Magick::Image::fontPointsize ( const double pointSize_ )
3118{
3119 modifyImage();
3120 options()->fontPointsize( pointSize_ );
3121}
3122double Magick::Image::fontPointsize ( void ) const
3123{
3124 return constOptions()->fontPointsize( );
3125}
3126
3127// Font type metrics
3128void Magick::Image::fontTypeMetrics( const std::string &text_,
3129 TypeMetric *metrics )
3130{
3131 DrawInfo *drawInfo = options()->drawInfo();
3132 drawInfo->text = const_cast<char *>(text_.c_str());
cristy5cbc0162011-08-29 00:36:28 +00003133 ExceptionInfo exceptionInfo;
3134 GetExceptionInfo( &exceptionInfo );
3135 GetTypeMetrics( image(), drawInfo, &(metrics->_typeMetric), &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003136 drawInfo->text = 0;
cristy5cbc0162011-08-29 00:36:28 +00003137 throwException( exceptionInfo );
3138 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003139}
3140
3141// Image format string
3142std::string Magick::Image::format ( void ) const
3143{
3144 ExceptionInfo exceptionInfo;
3145 GetExceptionInfo( &exceptionInfo );
3146 const MagickInfo * magick_info
3147 = GetMagickInfo( constImage()->magick, &exceptionInfo);
3148 throwException( exceptionInfo );
3149 (void) DestroyExceptionInfo( &exceptionInfo );
3150
3151 if (( magick_info != 0 ) &&
3152 ( *magick_info->description != '\0' ))
3153 return std::string(magick_info->description);
3154
3155 throwExceptionExplicit( CorruptImageWarning,
3156 "Unrecognized image magick type" );
3157 return std::string();
3158}
3159
3160// Gamma adjustment
3161double Magick::Image::gamma ( void ) const
3162{
3163 return constImage()->gamma;
3164}
3165
3166Magick::Geometry Magick::Image::geometry ( void ) const
3167{
3168 if ( constImage()->geometry )
3169 {
3170 return Geometry(constImage()->geometry);
3171 }
3172
3173 throwExceptionExplicit( OptionWarning,
3174 "Image does not contain a geometry");
3175
3176 return Geometry();
3177}
3178
cristyeaedf062010-05-29 22:36:02 +00003179void Magick::Image::gifDisposeMethod ( const size_t disposeMethod_ )
cristy3ed852e2009-09-05 21:47:34 +00003180{
3181 modifyImage();
3182 image()->dispose = (DisposeType) disposeMethod_;
3183}
cristyeaedf062010-05-29 22:36:02 +00003184size_t Magick::Image::gifDisposeMethod ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003185{
3186 // FIXME: It would be better to return an enumeration
3187 return constImage()->dispose;
3188}
3189
3190// ICC ICM color profile (BLOB)
3191void Magick::Image::iccColorProfile( const Magick::Blob &colorProfile_ )
3192{
3193 profile("icm",colorProfile_);
3194}
3195Magick::Blob Magick::Image::iccColorProfile( void ) const
3196{
3197 const StringInfo * color_profile = GetImageProfile( constImage(), "icc" );
3198 if ( color_profile == (StringInfo *) NULL)
3199 return Blob( 0, 0 );
3200 return Blob( GetStringInfoDatum(color_profile), GetStringInfoLength(color_profile) );
3201}
3202
3203void Magick::Image::interlaceType ( const Magick::InterlaceType interlace_ )
3204{
3205 modifyImage();
3206 image()->interlace = interlace_;
3207 options()->interlaceType ( interlace_ );
3208}
3209Magick::InterlaceType Magick::Image::interlaceType ( void ) const
3210{
3211 return constImage()->interlace;
3212}
3213
3214// IPTC profile (BLOB)
3215void Magick::Image::iptcProfile( const Magick::Blob &iptcProfile_ )
3216{
3217 modifyImage();
3218 if ( iptcProfile_.data() != 0 )
3219 {
3220 StringInfo * iptc_profile = AcquireStringInfo( iptcProfile_.length() );
3221 SetStringInfoDatum(iptc_profile ,(unsigned char *) iptcProfile_.data());
3222 (void) SetImageProfile( image(), "iptc", iptc_profile);
3223 iptc_profile =DestroyStringInfo( iptc_profile );
3224 }
3225}
3226Magick::Blob Magick::Image::iptcProfile( void ) const
3227{
3228 const StringInfo * iptc_profile = GetImageProfile( constImage(), "iptc" );
3229 if ( iptc_profile == (StringInfo *) NULL)
3230 return Blob( 0, 0 );
3231 return Blob( GetStringInfoDatum(iptc_profile), GetStringInfoLength(iptc_profile));
3232}
3233
3234// Does object contain valid image?
3235void Magick::Image::isValid ( const bool isValid_ )
3236{
3237 if ( !isValid_ )
3238 {
3239 delete _imgRef;
3240 _imgRef = new ImageRef;
3241 }
3242 else if ( !isValid() )
3243 {
3244 // Construct with single-pixel black image to make
3245 // image valid. This is an obvious hack.
3246 size( Geometry(1,1) );
3247 read( "xc:#000000" );
3248 }
3249}
3250
3251bool Magick::Image::isValid ( void ) const
3252{
3253 if ( rows() && columns() )
3254 return true;
3255
3256 return false;
3257}
3258
3259// Label image
3260void Magick::Image::label ( const std::string &label_ )
3261{
3262 modifyImage();
3263 SetImageProperty ( image(), "Label", NULL );
3264 if ( label_.length() > 0 )
3265 SetImageProperty ( image(), "Label", label_.c_str() );
3266 throwImageException();
3267}
3268std::string Magick::Image::label ( void ) const
3269{
3270 const char *value = GetImageProperty( constImage(), "Label" );
3271
3272 if ( value )
3273 return std::string( value );
3274
3275 return std::string();
3276}
3277
3278void Magick::Image::magick ( const std::string &magick_ )
3279{
3280 modifyImage();
3281
3282 magick_.copy( image()->magick,
3283 sizeof(image()->magick) - 1 );
3284 image()->magick[ magick_.length() ] = 0;
3285
3286 options()->magick( magick_ );
3287}
3288std::string Magick::Image::magick ( void ) const
3289{
3290 if ( *(constImage()->magick) != '\0' )
3291 return std::string(constImage()->magick);
3292
3293 return constOptions()->magick( );
3294}
3295
3296void Magick::Image::matte ( const bool matteFlag_ )
3297{
3298 modifyImage();
3299
3300 // If matte channel is requested, but image doesn't already have a
3301 // matte channel, then create an opaque matte channel. Likewise, if
3302 // the image already has a matte channel but a matte channel is not
3303 // desired, then set the matte channel to opaque.
3304 if ((matteFlag_ && !constImage()->matte) ||
3305 (constImage()->matte && !matteFlag_))
cristy4c08aed2011-07-01 19:47:50 +00003306 SetImageOpacity(image(),OpaqueAlpha);
cristy3ed852e2009-09-05 21:47:34 +00003307
3308 image()->matte = (MagickBooleanType) matteFlag_;
3309}
3310bool Magick::Image::matte ( void ) const
3311{
3312 if ( constImage()->matte )
3313 return true;
3314 else
3315 return false;
3316}
3317
3318void Magick::Image::matteColor ( const Color &matteColor_ )
3319{
3320 modifyImage();
3321
3322 if ( matteColor_.isValid() )
3323 {
cristy391f1ce2010-09-09 17:23:28 +00003324 image()->matte_color = matteColor_;
3325 options()->matteColor( matteColor_ );
cristy3ed852e2009-09-05 21:47:34 +00003326 }
3327 else
3328 {
3329 // Set to default matte color
3330 Color tmpColor( "#BDBDBD" );
cristy391f1ce2010-09-09 17:23:28 +00003331 image()->matte_color = tmpColor;
cristy3ed852e2009-09-05 21:47:34 +00003332 options()->matteColor( tmpColor );
3333 }
3334}
3335Magick::Color Magick::Image::matteColor ( void ) const
3336{
3337 return Color( constImage()->matte_color.red,
3338 constImage()->matte_color.green,
cristy391f1ce2010-09-09 17:23:28 +00003339 constImage()->matte_color.blue );
cristy3ed852e2009-09-05 21:47:34 +00003340}
3341
3342double Magick::Image::meanErrorPerPixel ( void ) const
3343{
3344 return(constImage()->error.mean_error_per_pixel);
3345}
3346
3347// Image modulus depth (minimum number of bits required to support
3348// red/green/blue components without loss of accuracy)
cristyeaedf062010-05-29 22:36:02 +00003349void Magick::Image::modulusDepth ( const size_t depth_ )
cristy3ed852e2009-09-05 21:47:34 +00003350{
3351 modifyImage();
3352 SetImageDepth( image(), depth_ );
3353 options()->depth( depth_ );
3354}
cristyeaedf062010-05-29 22:36:02 +00003355size_t Magick::Image::modulusDepth ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003356{
3357 ExceptionInfo exceptionInfo;
3358 GetExceptionInfo( &exceptionInfo );
cristyeaedf062010-05-29 22:36:02 +00003359 size_t depth=GetImageDepth( constImage(), &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003360 throwException( exceptionInfo );
3361 (void) DestroyExceptionInfo( &exceptionInfo );
3362 return depth;
3363}
3364
3365void Magick::Image::monochrome ( const bool monochromeFlag_ )
3366{
3367 modifyImage();
3368 options()->monochrome( monochromeFlag_ );
3369}
3370bool Magick::Image::monochrome ( void ) const
3371{
3372 return constOptions()->monochrome( );
3373}
3374
3375Magick::Geometry Magick::Image::montageGeometry ( void ) const
3376{
3377 if ( constImage()->montage )
3378 return Magick::Geometry(constImage()->montage);
3379
3380 throwExceptionExplicit( CorruptImageWarning,
3381 "Image does not contain a montage" );
3382
3383 return Magick::Geometry();
3384}
3385
3386double Magick::Image::normalizedMaxError ( void ) const
3387{
3388 return(constImage()->error.normalized_maximum_error);
3389}
3390
3391double Magick::Image::normalizedMeanError ( void ) const
3392{
3393 return constImage()->error.normalized_mean_error;
3394}
3395
3396// Image orientation
3397void Magick::Image::orientation ( const Magick::OrientationType orientation_ )
3398{
3399 modifyImage();
3400 image()->orientation = orientation_;
3401}
3402Magick::OrientationType Magick::Image::orientation ( void ) const
3403{
3404 return constImage()->orientation;
3405}
3406
3407void Magick::Image::penColor ( const Color &penColor_ )
3408{
3409 modifyImage();
3410 options()->fillColor(penColor_);
3411 options()->strokeColor(penColor_);
3412}
3413Magick::Color Magick::Image::penColor ( void ) const
3414{
3415 return constOptions()->fillColor();
3416}
3417
3418void Magick::Image::penTexture ( const Image &penTexture_ )
3419{
3420 modifyImage();
3421 if(penTexture_.isValid())
3422 options()->fillPattern( penTexture_.constImage() );
3423 else
3424 options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
3425}
3426
3427Magick::Image Magick::Image::penTexture ( void ) const
3428{
3429 // FIXME: This is inordinately innefficient
3430 Image texture;
3431
3432 const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
3433
3434 if ( tmpTexture )
3435 {
3436 ExceptionInfo exceptionInfo;
3437 GetExceptionInfo( &exceptionInfo );
3438 MagickCore::Image* image =
3439 CloneImage( tmpTexture,
3440 0, // columns
3441 0, // rows
3442 MagickTrue, // orphan
3443 &exceptionInfo);
3444 texture.replaceImage( image );
3445 throwException( exceptionInfo );
3446 (void) DestroyExceptionInfo( &exceptionInfo );
3447 }
3448 return texture;
3449}
3450
3451// Set the color of a pixel.
cristy35ef8242010-06-03 16:24:13 +00003452void Magick::Image::pixelColor ( const ssize_t x_, const ssize_t y_,
cristy3ed852e2009-09-05 21:47:34 +00003453 const Color &color_ )
3454{
3455 // Test arguments to ensure they are within the image.
cristy07fb9182010-06-06 23:37:14 +00003456 if ( y_ > (ssize_t) rows() || x_ > (ssize_t) columns() )
cristy3ed852e2009-09-05 21:47:34 +00003457 throwExceptionExplicit( OptionError,
3458 "Access outside of image boundary" );
3459
3460 modifyImage();
3461
3462 // Set image to DirectClass
3463 classType( DirectClass );
3464
3465 // Get pixel view
3466 Pixels pixels(*this);
3467 // Set pixel value
cristy4c08aed2011-07-01 19:47:50 +00003468 Quantum *pixel = pixels.get(x_, y_, 1, 1 );
3469 PixelPacket packet = color_;
3470 MagickCore::SetPixelPacket(constImage(),&packet,pixel);
cristy3ed852e2009-09-05 21:47:34 +00003471 // Tell ImageMagick that pixels have been updated
3472 pixels.sync();
3473
3474 return;
3475}
3476
3477// Get the color of a pixel
cristy35ef8242010-06-03 16:24:13 +00003478Magick::Color Magick::Image::pixelColor ( const ssize_t x_,
3479 const ssize_t y_ ) const
cristy3ed852e2009-09-05 21:47:34 +00003480{
3481 ClassType storage_class;
3482 storage_class = classType();
3483 // DirectClass
cristy4c08aed2011-07-01 19:47:50 +00003484 const Quantum* pixel = getConstPixels( x_, y_, 1, 1 );
3485 if ( pixel )
cristy3ed852e2009-09-05 21:47:34 +00003486 {
cristy4c08aed2011-07-01 19:47:50 +00003487 PixelPacket packet;
3488 MagickCore::GetPixelPacket(constImage(),pixel,&packet);
3489 return Color( packet );
cristy3ed852e2009-09-05 21:47:34 +00003490 }
3491
3492 return Color(); // invalid
3493}
3494
3495// Preferred size and location of an image canvas.
3496void Magick::Image::page ( const Magick::Geometry &pageSize_ )
3497{
3498 modifyImage();
3499 options()->page( pageSize_ );
3500 image()->page = pageSize_;
3501}
3502Magick::Geometry Magick::Image::page ( void ) const
3503{
3504 return Geometry( constImage()->page.width,
3505 constImage()->page.height,
3506 AbsoluteValue(constImage()->page.x),
3507 AbsoluteValue(constImage()->page.y),
3508 constImage()->page.x < 0 ? true : false,
3509 constImage()->page.y < 0 ? true : false);
3510}
3511
3512// Add a named profile to an image or remove a named profile by
3513// passing an empty Blob (use default Blob constructor).
3514// Valid names are:
3515// "*", "8BIM", "ICM", "IPTC", or a generic profile name.
3516void Magick::Image::profile( const std::string name_,
3517 const Magick::Blob &profile_ )
3518{
3519 modifyImage();
cristyd99b0962010-05-29 23:14:26 +00003520 ssize_t result = ProfileImage( image(), name_.c_str(),
cristy3ed852e2009-09-05 21:47:34 +00003521 (unsigned char *)profile_.data(),
3522 profile_.length(), MagickTrue);
3523
3524 if( !result )
3525 throwImageException();
3526}
3527
3528// Retrieve a named profile from the image.
3529// Valid names are:
3530// "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC" or
3531// an existing generic profile name.
3532Magick::Blob Magick::Image::profile( const std::string name_ ) const
3533{
3534 const MagickCore::Image* image = constImage();
3535
3536 const StringInfo * profile = GetImageProfile( image, name_.c_str() );
3537
3538 if ( profile != (StringInfo *) NULL)
3539 return Blob( (void*) GetStringInfoDatum(profile), GetStringInfoLength(profile));
3540
3541 Blob blob;
3542 Image temp_image = *this;
3543 temp_image.write( &blob, name_ );
3544 return blob;
3545}
3546
cristyeaedf062010-05-29 22:36:02 +00003547void Magick::Image::quality ( const size_t quality_ )
cristy3ed852e2009-09-05 21:47:34 +00003548{
3549 modifyImage();
3550 image()->quality = quality_;
3551 options()->quality( quality_ );
3552}
cristyeaedf062010-05-29 22:36:02 +00003553size_t Magick::Image::quality ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003554{
3555 return constImage()->quality;
3556}
3557
cristyeaedf062010-05-29 22:36:02 +00003558void Magick::Image::quantizeColors ( const size_t colors_ )
cristy3ed852e2009-09-05 21:47:34 +00003559{
3560 modifyImage();
3561 options()->quantizeColors( colors_ );
3562}
cristyeaedf062010-05-29 22:36:02 +00003563size_t Magick::Image::quantizeColors ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003564{
3565 return constOptions()->quantizeColors( );
3566}
3567
3568void Magick::Image::quantizeColorSpace
3569 ( const Magick::ColorspaceType colorSpace_ )
3570{
3571 modifyImage();
3572 options()->quantizeColorSpace( colorSpace_ );
3573}
3574Magick::ColorspaceType Magick::Image::quantizeColorSpace ( void ) const
3575{
3576 return constOptions()->quantizeColorSpace( );
3577}
3578
3579void Magick::Image::quantizeDither ( const bool ditherFlag_ )
3580{
3581 modifyImage();
3582 options()->quantizeDither( ditherFlag_ );
3583}
3584bool Magick::Image::quantizeDither ( void ) const
3585{
3586 return constOptions()->quantizeDither( );
3587}
3588
cristyeaedf062010-05-29 22:36:02 +00003589void Magick::Image::quantizeTreeDepth ( const size_t treeDepth_ )
cristy3ed852e2009-09-05 21:47:34 +00003590{
3591 modifyImage();
3592 options()->quantizeTreeDepth( treeDepth_ );
3593}
cristyeaedf062010-05-29 22:36:02 +00003594size_t Magick::Image::quantizeTreeDepth ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003595{
3596 return constOptions()->quantizeTreeDepth( );
3597}
3598
3599void Magick::Image::renderingIntent
3600 ( const Magick::RenderingIntent renderingIntent_ )
3601{
3602 modifyImage();
3603 image()->rendering_intent = renderingIntent_;
3604}
3605Magick::RenderingIntent Magick::Image::renderingIntent ( void ) const
3606{
3607 return static_cast<Magick::RenderingIntent>(constImage()->rendering_intent);
3608}
3609
3610void Magick::Image::resolutionUnits
3611 ( const Magick::ResolutionType resolutionUnits_ )
3612{
3613 modifyImage();
3614 image()->units = resolutionUnits_;
3615 options()->resolutionUnits( resolutionUnits_ );
3616}
3617Magick::ResolutionType Magick::Image::resolutionUnits ( void ) const
3618{
3619 return constOptions()->resolutionUnits( );
3620}
3621
cristyeaedf062010-05-29 22:36:02 +00003622void Magick::Image::scene ( const size_t scene_ )
cristy3ed852e2009-09-05 21:47:34 +00003623{
3624 modifyImage();
3625 image()->scene = scene_;
3626}
cristyeaedf062010-05-29 22:36:02 +00003627size_t Magick::Image::scene ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003628{
3629 return constImage()->scene;
3630}
3631
3632std::string Magick::Image::signature ( const bool force_ ) const
3633{
3634 Lock( &_imgRef->_mutexLock );
3635
3636 // Re-calculate image signature if necessary
cristy018f07f2011-09-04 21:15:19 +00003637 ExceptionInfo exceptionInfo;
3638 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003639 if ( force_ ||
3640 !GetImageProperty(constImage(), "Signature") ||
3641 constImage()->taint )
3642 {
cristy018f07f2011-09-04 21:15:19 +00003643 SignatureImage( const_cast<MagickCore::Image *>(constImage()), &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003644 }
3645
cristy018f07f2011-09-04 21:15:19 +00003646 throwException( exceptionInfo );
3647 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003648 const char *property = GetImageProperty(constImage(), "Signature");
3649
3650 return std::string( property );
3651}
3652
3653void Magick::Image::size ( const Geometry &geometry_ )
3654{
3655 modifyImage();
3656 options()->size( geometry_ );
3657 image()->rows = geometry_.height();
3658 image()->columns = geometry_.width();
3659}
3660Magick::Geometry Magick::Image::size ( void ) const
3661{
3662 return Magick::Geometry( constImage()->columns, constImage()->rows );
3663}
3664
cristy8198a752009-09-28 23:59:24 +00003665// Splice image
3666void Magick::Image::splice( const Geometry &geometry_ )
3667{
3668 RectangleInfo spliceInfo = geometry_;
3669 ExceptionInfo exceptionInfo;
3670 GetExceptionInfo( &exceptionInfo );
3671 MagickCore::Image* newImage =
3672 SpliceImage( image(), &spliceInfo, &exceptionInfo);
3673 replaceImage( newImage );
3674 throwException( exceptionInfo );
3675 (void) DestroyExceptionInfo( &exceptionInfo );
3676}
3677
cristy3ed852e2009-09-05 21:47:34 +00003678// Obtain image statistics. Statistics are normalized to the range of
3679// 0.0 to 1.0 and are output to the specified ImageStatistics
3680// structure.
cristyd42d9952011-07-08 14:21:50 +00003681void Magick::Image::statistics ( ImageStatistics *statistics )
cristy3ed852e2009-09-05 21:47:34 +00003682{
3683 double
3684 maximum,
3685 minimum;
3686
3687 ExceptionInfo exceptionInfo;
3688 GetExceptionInfo( &exceptionInfo );
cristyd42d9952011-07-08 14:21:50 +00003689
cristybd5a96c2011-08-21 00:04:26 +00003690 ChannelType channel_mask = SetPixelChannelMask( image(), RedChannel);
cristyd42d9952011-07-08 14:21:50 +00003691 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +00003692 statistics->red.minimum=minimum;
cristyd42d9952011-07-08 14:21:50 +00003693 statistics->red.maximum=maximum;
3694 (void) GetImageMean( image(),&statistics->red.mean,
3695 &statistics->red.standard_deviation,&exceptionInfo);
3696 (void) GetImageKurtosis( image(),&statistics->red.kurtosis,
3697 &statistics->red.skewness,&exceptionInfo);
cristybd5a96c2011-08-21 00:04:26 +00003698 (void) SetPixelChannelMap( image(), channel_mask );
cristyd42d9952011-07-08 14:21:50 +00003699
cristybd5a96c2011-08-21 00:04:26 +00003700 channel_mask = SetPixelChannelMask( image(), GreenChannel);
cristyd42d9952011-07-08 14:21:50 +00003701 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +00003702 statistics->green.minimum=minimum;
cristyd42d9952011-07-08 14:21:50 +00003703 statistics->green.maximum=maximum;
3704 (void) GetImageMean( image(),&statistics->green.mean,
3705 &statistics->green.standard_deviation,&exceptionInfo);
3706 (void) GetImageKurtosis( image(),&statistics->green.kurtosis,
3707 &statistics->green.skewness,&exceptionInfo);
cristybd5a96c2011-08-21 00:04:26 +00003708 (void) SetPixelChannelMap( image(), channel_mask );
cristyd42d9952011-07-08 14:21:50 +00003709
cristybd5a96c2011-08-21 00:04:26 +00003710 channel_mask = SetPixelChannelMask( image(), GreenChannel);
cristyd42d9952011-07-08 14:21:50 +00003711 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +00003712 statistics->blue.minimum=minimum;
cristyd42d9952011-07-08 14:21:50 +00003713 statistics->blue.maximum=maximum;
3714 (void) GetImageMean( image(),&statistics->blue.mean,
3715 &statistics->blue.standard_deviation,&exceptionInfo);
3716 (void) GetImageKurtosis( image(),&statistics->blue.kurtosis,
3717 &statistics->blue.skewness,&exceptionInfo);
cristybd5a96c2011-08-21 00:04:26 +00003718 (void) SetPixelChannelMap( image(), channel_mask );
cristyd42d9952011-07-08 14:21:50 +00003719
cristybd5a96c2011-08-21 00:04:26 +00003720 channel_mask = SetPixelChannelMask( image(), AlphaChannel);
cristyd42d9952011-07-08 14:21:50 +00003721 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
cristy4c08aed2011-07-01 19:47:50 +00003722 statistics->alpha.minimum=minimum;
3723 statistics->alpha.maximum=maximum;
cristyd42d9952011-07-08 14:21:50 +00003724 (void) GetImageMean( image(),&statistics->alpha.mean,
3725 &statistics->alpha.standard_deviation,&exceptionInfo);
3726 (void) GetImageKurtosis( image(),&statistics->alpha.kurtosis,
3727 &statistics->alpha.skewness,&exceptionInfo);
cristybd5a96c2011-08-21 00:04:26 +00003728 (void) SetPixelChannelMap( image(), channel_mask );
cristyd42d9952011-07-08 14:21:50 +00003729
cristy3ed852e2009-09-05 21:47:34 +00003730 throwException( exceptionInfo );
3731 (void) DestroyExceptionInfo( &exceptionInfo );
3732}
3733
cristy9f89a3f2011-02-12 17:02:35 +00003734// Strip strips an image of all profiles and comments.
3735void Magick::Image::strip ( void )
3736{
3737 modifyImage();
3738 StripImage( image() );
3739 throwImageException();
3740}
3741
cristy3ed852e2009-09-05 21:47:34 +00003742// enabled/disable stroke anti-aliasing
3743void Magick::Image::strokeAntiAlias ( const bool flag_ )
3744{
3745 modifyImage();
3746 options()->strokeAntiAlias(flag_);
3747}
3748bool Magick::Image::strokeAntiAlias ( void ) const
3749{
3750 return constOptions()->strokeAntiAlias();
3751}
3752
3753// Color to use when drawing object outlines
3754void Magick::Image::strokeColor ( const Magick::Color &strokeColor_ )
3755{
3756 modifyImage();
3757 options()->strokeColor(strokeColor_);
3758}
3759Magick::Color Magick::Image::strokeColor ( void ) const
3760{
3761 return constOptions()->strokeColor();
3762}
3763
3764// dash pattern for drawing vector objects (default one)
3765void Magick::Image::strokeDashArray ( const double* strokeDashArray_ )
3766{
3767 modifyImage();
3768 options()->strokeDashArray( strokeDashArray_ );
3769}
3770
3771const double* Magick::Image::strokeDashArray ( void ) const
3772{
3773 return constOptions()->strokeDashArray( );
3774}
3775
3776// dash offset for drawing vector objects (default one)
3777void Magick::Image::strokeDashOffset ( const double strokeDashOffset_ )
3778{
3779 modifyImage();
3780 options()->strokeDashOffset( strokeDashOffset_ );
3781}
3782
3783double Magick::Image::strokeDashOffset ( void ) const
3784{
3785 return constOptions()->strokeDashOffset( );
3786}
3787
3788// Specify the shape to be used at the end of open subpaths when they
3789// are stroked. Values of LineCap are UndefinedCap, ButtCap, RoundCap,
3790// and SquareCap.
3791void Magick::Image::strokeLineCap ( const Magick::LineCap lineCap_ )
3792{
3793 modifyImage();
3794 options()->strokeLineCap( lineCap_ );
3795}
3796Magick::LineCap Magick::Image::strokeLineCap ( void ) const
3797{
3798 return constOptions()->strokeLineCap( );
3799}
3800
3801// Specify the shape to be used at the corners of paths (or other
3802// vector shapes) when they are stroked. Values of LineJoin are
3803// UndefinedJoin, MiterJoin, RoundJoin, and BevelJoin.
3804void Magick::Image::strokeLineJoin ( const Magick::LineJoin lineJoin_ )
3805{
3806 modifyImage();
3807 options()->strokeLineJoin( lineJoin_ );
3808}
3809Magick::LineJoin Magick::Image::strokeLineJoin ( void ) const
3810{
3811 return constOptions()->strokeLineJoin( );
3812}
3813
3814// Specify miter limit. When two line segments meet at a sharp angle
3815// and miter joins have been specified for 'lineJoin', it is possible
3816// for the miter to extend far beyond the thickness of the line
3817// stroking the path. The miterLimit' imposes a limit on the ratio of
3818// the miter length to the 'lineWidth'. The default value of this
3819// parameter is 4.
cristyeaedf062010-05-29 22:36:02 +00003820void Magick::Image::strokeMiterLimit ( const size_t strokeMiterLimit_ )
cristy3ed852e2009-09-05 21:47:34 +00003821{
3822 modifyImage();
3823 options()->strokeMiterLimit( strokeMiterLimit_ );
3824}
cristyeaedf062010-05-29 22:36:02 +00003825size_t Magick::Image::strokeMiterLimit ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003826{
3827 return constOptions()->strokeMiterLimit( );
3828}
3829
3830// Pattern to use while stroking drawn objects.
3831void Magick::Image::strokePattern ( const Image &strokePattern_ )
3832{
3833 modifyImage();
3834 if(strokePattern_.isValid())
3835 options()->strokePattern( strokePattern_.constImage() );
3836 else
3837 options()->strokePattern( static_cast<MagickCore::Image*>(NULL) );
3838}
3839Magick::Image Magick::Image::strokePattern ( void ) const
3840{
3841 // FIXME: This is inordinately innefficient
3842 Image texture;
3843
3844 const MagickCore::Image* tmpTexture = constOptions()->strokePattern( );
3845
3846 if ( tmpTexture )
3847 {
3848 ExceptionInfo exceptionInfo;
3849 GetExceptionInfo( &exceptionInfo );
3850 MagickCore::Image* image =
3851 CloneImage( tmpTexture,
3852 0, // columns
3853 0, // rows
3854 MagickTrue, // orphan
3855 &exceptionInfo);
3856 throwException( exceptionInfo );
3857 (void) DestroyExceptionInfo( &exceptionInfo );
3858 texture.replaceImage( image );
3859 }
3860 return texture;
3861}
3862
3863// Stroke width for drawing lines, circles, ellipses, etc.
3864void Magick::Image::strokeWidth ( const double strokeWidth_ )
3865{
3866 modifyImage();
3867 options()->strokeWidth( strokeWidth_ );
3868}
3869double Magick::Image::strokeWidth ( void ) const
3870{
3871 return constOptions()->strokeWidth( );
3872}
3873
cristyeaedf062010-05-29 22:36:02 +00003874void Magick::Image::subImage ( const size_t subImage_ )
cristy3ed852e2009-09-05 21:47:34 +00003875{
3876 modifyImage();
3877 options()->subImage( subImage_ );
3878}
cristyeaedf062010-05-29 22:36:02 +00003879size_t Magick::Image::subImage ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003880{
3881 return constOptions()->subImage( );
3882}
3883
cristyeaedf062010-05-29 22:36:02 +00003884void Magick::Image::subRange ( const size_t subRange_ )
cristy3ed852e2009-09-05 21:47:34 +00003885{
3886 modifyImage();
3887 options()->subRange( subRange_ );
3888}
cristyeaedf062010-05-29 22:36:02 +00003889size_t Magick::Image::subRange ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00003890{
3891 return constOptions()->subRange( );
3892}
3893
3894// Annotation text encoding (e.g. "UTF-16")
3895void Magick::Image::textEncoding ( const std::string &encoding_ )
3896{
3897 modifyImage();
3898 options()->textEncoding( encoding_ );
3899}
3900std::string Magick::Image::textEncoding ( void ) const
3901{
3902 return constOptions()->textEncoding( );
3903}
3904
cristybb503372010-05-27 20:51:26 +00003905size_t Magick::Image::totalColors ( void )
cristy3ed852e2009-09-05 21:47:34 +00003906{
3907 ExceptionInfo exceptionInfo;
3908 GetExceptionInfo( &exceptionInfo );
cristybb503372010-05-27 20:51:26 +00003909 size_t colors = GetNumberColors( image(), 0, &exceptionInfo);
cristy3ed852e2009-09-05 21:47:34 +00003910 throwException( exceptionInfo );
3911 (void) DestroyExceptionInfo( &exceptionInfo );
3912 return colors;
3913}
3914
3915// Origin of coordinate system to use when annotating with text or drawing
3916void Magick::Image::transformOrigin ( const double x_, const double y_ )
3917{
3918 modifyImage();
3919 options()->transformOrigin( x_, y_ );
3920}
3921
3922// Rotation to use when annotating with text or drawing
3923void Magick::Image::transformRotation ( const double angle_ )
3924{
3925 modifyImage();
3926 options()->transformRotation( angle_ );
3927}
3928
3929// Reset transformation parameters to default
3930void Magick::Image::transformReset ( void )
3931{
3932 modifyImage();
3933 options()->transformReset();
3934}
3935
3936// Scale to use when annotating with text or drawing
3937void Magick::Image::transformScale ( const double sx_, const double sy_ )
3938{
3939 modifyImage();
3940 options()->transformScale( sx_, sy_ );
3941}
3942
3943// Skew to use in X axis when annotating with text or drawing
3944void Magick::Image::transformSkewX ( const double skewx_ )
3945{
3946 modifyImage();
3947 options()->transformSkewX( skewx_ );
3948}
3949
3950// Skew to use in Y axis when annotating with text or drawing
3951void Magick::Image::transformSkewY ( const double skewy_ )
3952{
3953 modifyImage();
3954 options()->transformSkewY( skewy_ );
3955}
3956
3957// Image representation type
3958Magick::ImageType Magick::Image::type ( void ) const
3959{
3960
3961 ExceptionInfo exceptionInfo;
3962 GetExceptionInfo( &exceptionInfo );
3963 ImageType image_type = constOptions()->type();
3964 if ( image_type == UndefinedType )
3965 image_type= GetImageType( constImage(), &exceptionInfo);
3966 throwException( exceptionInfo );
3967 (void) DestroyExceptionInfo( &exceptionInfo );
3968 return image_type;
3969}
3970void Magick::Image::type ( const Magick::ImageType type_)
3971{
cristy018f07f2011-09-04 21:15:19 +00003972 ExceptionInfo exceptionInfo;
3973 GetExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003974 modifyImage();
3975 options()->type( type_ );
cristy018f07f2011-09-04 21:15:19 +00003976 SetImageType( image(), type_, &exceptionInfo );
3977 throwException( exceptionInfo );
3978 (void) DestroyExceptionInfo( &exceptionInfo );
cristy3ed852e2009-09-05 21:47:34 +00003979}
3980
3981void Magick::Image::verbose ( const bool verboseFlag_ )
3982{
3983 modifyImage();
3984 options()->verbose( verboseFlag_ );
3985}
3986bool Magick::Image::verbose ( void ) const
3987{
3988 return constOptions()->verbose( );
3989}
3990
3991void Magick::Image::view ( const std::string &view_ )
3992{
3993 modifyImage();
3994 options()->view( view_ );
3995}
3996std::string Magick::Image::view ( void ) const
3997{
3998 return constOptions()->view( );
3999}
4000
4001// Virtual pixel method
4002void Magick::Image::virtualPixelMethod ( const VirtualPixelMethod virtual_pixel_method_ )
4003{
4004 modifyImage();
4005 SetImageVirtualPixelMethod( image(), virtual_pixel_method_ );
4006 options()->virtualPixelMethod( virtual_pixel_method_ );
4007}
4008Magick::VirtualPixelMethod Magick::Image::virtualPixelMethod ( void ) const
4009{
4010 return GetImageVirtualPixelMethod( constImage() );
4011}
4012
4013void Magick::Image::x11Display ( const std::string &display_ )
4014{
4015 modifyImage();
4016 options()->x11Display( display_ );
4017}
4018std::string Magick::Image::x11Display ( void ) const
4019{
4020 return constOptions()->x11Display( );
4021}
4022
4023double Magick::Image::xResolution ( void ) const
4024{
4025 return constImage()->x_resolution;
4026}
4027double Magick::Image::yResolution ( void ) const
4028{
4029 return constImage()->y_resolution;
4030}
4031
4032// Copy Constructor
4033Magick::Image::Image( const Image & image_ )
4034 : _imgRef(image_._imgRef)
4035{
4036 Lock( &_imgRef->_mutexLock );
4037
4038 // Increase reference count
4039 ++_imgRef->_refCount;
4040}
4041
4042// Assignment operator
4043Magick::Image& Magick::Image::operator=( const Magick::Image &image_ )
4044{
4045 if( this != &image_ )
4046 {
4047 {
4048 Lock( &image_._imgRef->_mutexLock );
4049 ++image_._imgRef->_refCount;
4050 }
4051
4052 bool doDelete = false;
4053 {
4054 Lock( &_imgRef->_mutexLock );
4055 if ( --_imgRef->_refCount == 0 )
4056 doDelete = true;
4057 }
4058
4059 if ( doDelete )
4060 {
4061 // Delete old image reference with associated image and options.
4062 delete _imgRef;
4063 _imgRef = 0;
4064 }
4065 // Use new image reference
4066 _imgRef = image_._imgRef;
4067 }
4068
4069 return *this;
4070}
4071
4072//////////////////////////////////////////////////////////////////////
4073//
4074// Low-level Pixel Access Routines
4075//
4076// Also see the Pixels class, which provides support for multiple
4077// cache views. The low-level pixel access routines in the Image
4078// class are provided in order to support backward compatability.
4079//
4080//////////////////////////////////////////////////////////////////////
4081
4082// Transfers read-only pixels from the image to the pixel cache as
4083// defined by the specified region
cristy4c08aed2011-07-01 19:47:50 +00004084const Magick::Quantum* Magick::Image::getConstPixels
cristyd99b0962010-05-29 23:14:26 +00004085 ( const ssize_t x_, const ssize_t y_,
cristyeaedf062010-05-29 22:36:02 +00004086 const size_t columns_,
4087 const size_t rows_ ) const
cristy3ed852e2009-09-05 21:47:34 +00004088{
4089 ExceptionInfo exceptionInfo;
4090 GetExceptionInfo( &exceptionInfo );
cristy4c08aed2011-07-01 19:47:50 +00004091 const Quantum* p = (*GetVirtualPixels)( constImage(),
cristy3ed852e2009-09-05 21:47:34 +00004092 x_, y_,
4093 columns_, rows_,
4094 &exceptionInfo );
4095 throwException( exceptionInfo );
4096 (void) DestroyExceptionInfo( &exceptionInfo );
4097 return p;
4098}
4099
cristy4c08aed2011-07-01 19:47:50 +00004100// Obtain read-only pixel associated pixels channels
4101const void* Magick::Image::getConstMetacontent ( void ) const
cristy3ed852e2009-09-05 21:47:34 +00004102{
cristy4c08aed2011-07-01 19:47:50 +00004103 const void* result = GetVirtualMetacontent( constImage() );
cristy3ed852e2009-09-05 21:47:34 +00004104
4105 if( !result )
4106 throwImageException();
4107
4108 return result;
4109}
4110
cristy4c08aed2011-07-01 19:47:50 +00004111// Obtain image pixel associated pixels channels
4112void* Magick::Image::getMetacontent ( void )
cristy3ed852e2009-09-05 21:47:34 +00004113{
cristy4c08aed2011-07-01 19:47:50 +00004114 void* result = GetAuthenticMetacontent( image() );
cristy3ed852e2009-09-05 21:47:34 +00004115
4116 if( !result )
4117 throwImageException();
4118
4119 return ( result );
4120}
4121
4122// Transfers pixels from the image to the pixel cache as defined
4123// by the specified region. Modified pixels may be subsequently
4124// transferred back to the image via syncPixels.
cristy4c08aed2011-07-01 19:47:50 +00004125Magick::Quantum* Magick::Image::getPixels ( const ssize_t x_, const ssize_t y_,
cristyeaedf062010-05-29 22:36:02 +00004126 const size_t columns_,
4127 const size_t rows_ )
cristy3ed852e2009-09-05 21:47:34 +00004128{
4129 modifyImage();
4130 ExceptionInfo exceptionInfo;
4131 GetExceptionInfo( &exceptionInfo );
cristy4c08aed2011-07-01 19:47:50 +00004132 Quantum* result = (*GetAuthenticPixels)( image(),
cristy3ed852e2009-09-05 21:47:34 +00004133 x_, y_,
4134 columns_, rows_, &exceptionInfo );
4135 throwException( exceptionInfo );
4136 (void) DestroyExceptionInfo( &exceptionInfo );
4137
4138 return result;
4139}
4140
4141// Allocates a pixel cache region to store image pixels as defined
4142// by the region rectangle. This area is subsequently transferred
4143// from the pixel cache to the image via syncPixels.
cristy4c08aed2011-07-01 19:47:50 +00004144Magick::Quantum* Magick::Image::setPixels ( const ssize_t x_, const ssize_t y_,
cristyeaedf062010-05-29 22:36:02 +00004145 const size_t columns_,
4146 const size_t rows_ )
cristy3ed852e2009-09-05 21:47:34 +00004147{
4148 modifyImage();
4149 ExceptionInfo exceptionInfo;
4150 GetExceptionInfo( &exceptionInfo );
cristy4c08aed2011-07-01 19:47:50 +00004151 Quantum* result = (*QueueAuthenticPixels)( image(),
cristy3ed852e2009-09-05 21:47:34 +00004152 x_, y_,
4153 columns_, rows_, &exceptionInfo );
4154 throwException( exceptionInfo );
4155 (void) DestroyExceptionInfo( &exceptionInfo );
4156
4157 return result;
4158}
4159
4160// Transfers the image cache pixels to the image.
4161void Magick::Image::syncPixels ( void )
4162{
4163 ExceptionInfo exceptionInfo;
4164 GetExceptionInfo( &exceptionInfo );
4165 (*SyncAuthenticPixels)( image(), &exceptionInfo );
4166 throwException( exceptionInfo );
4167 (void) DestroyExceptionInfo( &exceptionInfo );
4168}
4169
4170// Transfers one or more pixel components from a buffer or file
4171// into the image pixel cache of an image.
4172// Used to support image decoders.
4173void Magick::Image::readPixels ( const Magick::QuantumType quantum_,
4174 const unsigned char *source_ )
4175{
4176 QuantumInfo
4177 *quantum_info;
4178
4179 quantum_info=AcquireQuantumInfo(imageInfo(),image());
4180 ExceptionInfo exceptionInfo;
4181 GetExceptionInfo( &exceptionInfo );
4182 ImportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
4183 quantum_,source_, &exceptionInfo);
4184 throwException( exceptionInfo );
4185 (void) DestroyExceptionInfo( &exceptionInfo );
4186 quantum_info=DestroyQuantumInfo(quantum_info);
4187}
4188
4189// Transfers one or more pixel components from the image pixel
4190// cache to a buffer or file.
4191// Used to support image encoders.
4192void Magick::Image::writePixels ( const Magick::QuantumType quantum_,
4193 unsigned char *destination_ )
4194{
4195 QuantumInfo
4196 *quantum_info;
4197
4198 quantum_info=AcquireQuantumInfo(imageInfo(),image());
4199 ExceptionInfo exceptionInfo;
4200 GetExceptionInfo( &exceptionInfo );
4201 ExportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
4202 quantum_,destination_, &exceptionInfo);
4203 quantum_info=DestroyQuantumInfo(quantum_info);
4204 throwException( exceptionInfo );
4205 (void) DestroyExceptionInfo( &exceptionInfo );
4206}
4207
4208/////////////////////////////////////////////////////////////////////
4209//
4210// No end-user methods beyond this point
4211//
4212/////////////////////////////////////////////////////////////////////
4213
4214
4215//
4216// Construct using existing image and default options
4217//
4218Magick::Image::Image ( MagickCore::Image* image_ )
4219 : _imgRef(new ImageRef( image_))
4220{
4221}
4222
4223// Get Magick::Options*
4224Magick::Options* Magick::Image::options( void )
4225{
4226 return _imgRef->options();
4227}
4228const Magick::Options* Magick::Image::constOptions( void ) const
4229{
4230 return _imgRef->options();
4231}
4232
4233// Get MagickCore::Image*
4234MagickCore::Image*& Magick::Image::image( void )
4235{
4236 return _imgRef->image();
4237}
4238const MagickCore::Image* Magick::Image::constImage( void ) const
4239{
4240 return _imgRef->image();
4241}
4242
4243// Get ImageInfo *
4244MagickCore::ImageInfo* Magick::Image::imageInfo( void )
4245{
4246 return _imgRef->options()->imageInfo();
4247}
4248const MagickCore::ImageInfo * Magick::Image::constImageInfo( void ) const
4249{
4250 return _imgRef->options()->imageInfo();
4251}
4252
4253// Get QuantizeInfo *
4254MagickCore::QuantizeInfo* Magick::Image::quantizeInfo( void )
4255{
4256 return _imgRef->options()->quantizeInfo();
4257}
4258const MagickCore::QuantizeInfo * Magick::Image::constQuantizeInfo( void ) const
4259{
4260 return _imgRef->options()->quantizeInfo();
4261}
4262
4263//
4264// Replace current image
4265//
4266MagickCore::Image * Magick::Image::replaceImage
4267 ( MagickCore::Image* replacement_ )
4268{
4269 MagickCore::Image* image;
4270
4271 if( replacement_ )
4272 image = replacement_;
4273 else
4274 image = AcquireImage(constImageInfo());
4275
4276 {
4277 Lock( &_imgRef->_mutexLock );
4278
4279 if ( _imgRef->_refCount == 1 )
4280 {
4281 // We own the image, just replace it, and de-register
4282 _imgRef->id( -1 );
4283 _imgRef->image(image);
4284 }
4285 else
4286 {
4287 // We don't own the image, dereference and replace with copy
4288 --_imgRef->_refCount;
4289 _imgRef = new ImageRef( image, constOptions() );
4290 }
4291 }
4292
4293 return _imgRef->_image;
4294}
4295
4296//
4297// Prepare to modify image or image options
4298// Replace current image and options with copy if reference count > 1
4299//
4300void Magick::Image::modifyImage( void )
4301{
4302 {
4303 Lock( &_imgRef->_mutexLock );
4304 if ( _imgRef->_refCount == 1 )
4305 {
4306 // De-register image and return
4307 _imgRef->id( -1 );
4308 return;
4309 }
4310 }
4311
4312 ExceptionInfo exceptionInfo;
4313 GetExceptionInfo( &exceptionInfo );
4314 replaceImage( CloneImage( image(),
4315 0, // columns
4316 0, // rows
4317 MagickTrue, // orphan
4318 &exceptionInfo) );
4319 throwException( exceptionInfo );
4320 (void) DestroyExceptionInfo( &exceptionInfo );
4321 return;
4322}
4323
4324//
4325// Test for an ImageMagick reported error and throw exception if one
4326// has been reported. Secretly resets image->exception back to default
4327// state even though this method is const.
4328//
4329void Magick::Image::throwImageException( void ) const
4330{
4331 // Throw C++ exception while resetting Image exception to default state
4332 throwException( const_cast<MagickCore::Image*>(constImage())->exception );
4333}
4334
4335// Register image with image registry or obtain registration id
cristybb503372010-05-27 20:51:26 +00004336ssize_t Magick::Image::registerId( void )
cristy3ed852e2009-09-05 21:47:34 +00004337{
4338 Lock( &_imgRef->_mutexLock );
4339 if( _imgRef->id() < 0 )
4340 {
4341 char id[MaxTextExtent];
4342 ExceptionInfo exceptionInfo;
4343 GetExceptionInfo( &exceptionInfo );
4344 _imgRef->id(_imgRef->id()+1);
cristye8c25f92010-06-03 00:53:06 +00004345 sprintf(id,"%.20g\n",(double) _imgRef->id());
cristy3ed852e2009-09-05 21:47:34 +00004346 SetImageRegistry(ImageRegistryType, id, image(), &exceptionInfo);
4347 throwException( exceptionInfo );
4348 (void) DestroyExceptionInfo( &exceptionInfo );
4349 }
4350 return _imgRef->id();
4351}
4352
4353// Unregister image from image registry
4354void Magick::Image::unregisterId( void )
4355{
4356 modifyImage();
4357 _imgRef->id( -1 );
4358}
4359
4360//
4361// Create a local wrapper around MagickCoreTerminus
4362//
4363namespace Magick
4364{
4365 extern "C" {
4366 void MagickPlusPlusDestroyMagick(void);
4367 }
4368}
4369
4370void Magick::MagickPlusPlusDestroyMagick(void)
4371{
4372 if (magick_initialized)
4373 {
4374 magick_initialized=false;
4375 MagickCore::MagickCoreTerminus();
4376 }
4377}
4378
4379// C library initialization routine
cristyaf1dd252011-09-07 19:04:02 +00004380void MagickPPExport Magick::InitializeMagick(const char *path_)
cristy3ed852e2009-09-05 21:47:34 +00004381{
4382 MagickCore::MagickCoreGenesis(path_,MagickFalse);
4383 if (!magick_initialized)
4384 magick_initialized=true;
4385}
4386
4387//
4388// Cleanup class to ensure that ImageMagick singletons are destroyed
4389// so as to avoid any resemblence to a memory leak (which seems to
4390// confuse users)
4391//
4392namespace Magick
4393{
4394
4395 class MagickCleanUp
4396 {
4397 public:
4398 MagickCleanUp( void );
4399 ~MagickCleanUp( void );
4400 };
4401
4402 // The destructor for this object is invoked when the destructors for
4403 // static objects in this translation unit are invoked.
4404 static MagickCleanUp magickCleanUpGuard;
4405}
4406
4407Magick::MagickCleanUp::MagickCleanUp ( void )
4408{
4409 // Don't even think about invoking InitializeMagick here!
4410}
4411
4412Magick::MagickCleanUp::~MagickCleanUp ( void )
4413{
4414 MagickPlusPlusDestroyMagick();
4415}