1 // This may look like C code, but it is really -*- C++ -*-
3 // Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2003
5 // Implementation of Image
8 #define MAGICKCORE_IMPLEMENTATION 1
9 #define MAGICK_PLUSPLUS_IMPLEMENTATION 1
11 #include "Magick++/Include.h"
17 #if !defined(MAGICKCORE_WINDOWS_SUPPORT)
23 #include "Magick++/Image.h"
24 #include "Magick++/Functions.h"
25 #include "Magick++/Pixels.h"
26 #include "Magick++/Options.h"
27 #include "Magick++/ImageRef.h"
29 #define AbsoluteValue(x) ((x) < 0 ? -(x) : (x))
30 #define MagickPI 3.14159265358979323846264338327950288419716939937510
31 #define DegreesToRadians(x) (MagickPI*(x)/180.0)
33 MagickDLLDeclExtern const char *Magick::borderGeometryDefault = "6x6+0+0";
34 MagickDLLDeclExtern const char *Magick::frameGeometryDefault = "25x25+6+6";
35 MagickDLLDeclExtern const char *Magick::raiseGeometryDefault = "6x6+0+0";
37 static bool magick_initialized=false;
40 // Explicit template instantiations
44 // Friend functions to compare Image objects
47 MagickDLLDecl int Magick::operator == ( const Magick::Image& left_,
48 const Magick::Image& right_ )
50 // If image pixels and signature are the same, then the image is identical
51 return ( ( left_.rows() == right_.rows() ) &&
52 ( left_.columns() == right_.columns() ) &&
53 ( left_.signature() == right_.signature() )
56 MagickDLLDecl int Magick::operator != ( const Magick::Image& left_,
57 const Magick::Image& right_ )
59 return ( ! (left_ == right_) );
61 MagickDLLDecl int Magick::operator > ( const Magick::Image& left_,
62 const Magick::Image& right_ )
64 return ( !( left_ < right_ ) && ( left_ != right_ ) );
66 MagickDLLDecl int Magick::operator < ( const Magick::Image& left_,
67 const Magick::Image& right_ )
69 // If image pixels are less, then image is smaller
70 return ( ( left_.rows() * left_.columns() ) <
71 ( right_.rows() * right_.columns() )
74 MagickDLLDecl int Magick::operator >= ( const Magick::Image& left_,
75 const Magick::Image& right_ )
77 return ( ( left_ > right_ ) || ( left_ == right_ ) );
79 MagickDLLDecl int Magick::operator <= ( const Magick::Image& left_,
80 const Magick::Image& right_ )
82 return ( ( left_ < right_ ) || ( left_ == right_ ) );
86 // Image object implementation
89 // Construct from image file or image specification
90 Magick::Image::Image( const std::string &imageSpec_ )
91 : _imgRef(new ImageRef)
95 // Initialize, Allocate and Read images
98 catch ( const Warning & /*warning_*/ )
100 // FIXME: need a way to report warnings in constructor
102 catch ( const Error & /*error_*/ )
110 // Construct a blank image canvas of specified size and color
111 Magick::Image::Image( const Geometry &size_,
112 const Color &color_ )
113 : _imgRef(new ImageRef)
115 // xc: prefix specifies an X11 color string
116 std::string imageSpec("xc:");
124 // Initialize, Allocate and Read images
127 catch ( const Warning & /*warning_*/ )
129 // FIXME: need a way to report warnings in constructor
131 catch ( const Error & /*error_*/ )
139 // Construct Image from in-memory BLOB
140 Magick::Image::Image ( const Blob &blob_ )
141 : _imgRef(new ImageRef)
145 // Initialize, Allocate and Read images
148 catch ( const Warning & /*warning_*/ )
150 // FIXME: need a way to report warnings in constructor
152 catch ( const Error & /*error_*/ )
160 // Construct Image of specified size from in-memory BLOB
161 Magick::Image::Image ( const Blob &blob_,
162 const Geometry &size_ )
163 : _imgRef(new ImageRef)
168 read( blob_, size_ );
170 catch ( const Warning & /*warning_*/ )
172 // FIXME: need a way to report warnings in constructor
174 catch ( const Error & /*error_*/ )
182 // Construct Image of specified size and depth from in-memory BLOB
183 Magick::Image::Image ( const Blob &blob_,
184 const Geometry &size_,
185 const unsigned int depth_ )
186 : _imgRef(new ImageRef)
191 read( blob_, size_, depth_ );
193 catch ( const Warning & /*warning_*/ )
195 // FIXME: need a way to report warnings in constructor
197 catch ( const Error & /*error_*/ )
205 // Construct Image of specified size, depth, and format from in-memory BLOB
206 Magick::Image::Image ( const Blob &blob_,
207 const Geometry &size_,
208 const unsigned int depth_,
209 const std::string &magick_ )
210 : _imgRef(new ImageRef)
215 read( blob_, size_, depth_, magick_ );
217 catch ( const Warning & /*warning_*/ )
219 // FIXME: need a way to report warnings in constructor
221 catch ( const Error & /*error_*/ )
229 // Construct Image of specified size, and format from in-memory BLOB
230 Magick::Image::Image ( const Blob &blob_,
231 const Geometry &size_,
232 const std::string &magick_ )
233 : _imgRef(new ImageRef)
238 read( blob_, size_, magick_ );
240 catch ( const Warning & /*warning_*/ )
242 // FIXME: need a way to report warnings in constructor
244 catch ( const Error & /*error_*/ )
252 // Construct an image based on an array of raw pixels, of specified
253 // type and mapping, in memory
254 Magick::Image::Image ( const unsigned int width_,
255 const unsigned int height_,
256 const std::string &map_,
257 const StorageType type_,
258 const void *pixels_ )
259 : _imgRef(new ImageRef)
263 read( width_, height_, map_.c_str(), type_, pixels_ );
265 catch ( const Warning & /*warning_*/ )
267 // FIXME: need a way to report warnings in constructor
269 catch ( const Error & /*error_*/ )
277 // Default constructor
278 Magick::Image::Image( void )
279 : _imgRef(new ImageRef)
285 Magick::Image::~Image()
287 bool doDelete = false;
289 Lock( &_imgRef->_mutexLock );
290 if ( --_imgRef->_refCount == 0 )
301 // Adaptive-blur image
302 void Magick::Image::adaptiveBlur( const double radius_, const double sigma_ )
304 ExceptionInfo exceptionInfo;
305 GetExceptionInfo( &exceptionInfo );
306 MagickCore::Image* newImage =
307 AdaptiveBlurImage( image(), radius_, sigma_, &exceptionInfo);
308 replaceImage( newImage );
309 throwException( exceptionInfo );
310 (void) DestroyExceptionInfo( &exceptionInfo );
313 // Local adaptive threshold image
314 // http://www.dai.ed.ac.uk/HIPR2/adpthrsh.htm
315 // Width x height define the size of the pixel neighborhood
316 // offset = constant to subtract from pixel neighborhood mean
317 void Magick::Image::adaptiveThreshold ( const unsigned int width_,
318 const unsigned int height_,
319 const unsigned int offset_ )
321 ExceptionInfo exceptionInfo;
322 GetExceptionInfo( &exceptionInfo );
323 MagickCore::Image* newImage =
324 AdaptiveThresholdImage( constImage(), width_, height_, offset_, &exceptionInfo );
325 replaceImage( newImage );
326 throwException( exceptionInfo );
327 (void) DestroyExceptionInfo( &exceptionInfo );
330 // Add noise to image
331 void Magick::Image::addNoise( const NoiseType noiseType_ )
333 ExceptionInfo exceptionInfo;
334 GetExceptionInfo( &exceptionInfo );
335 MagickCore::Image* newImage =
336 AddNoiseImage ( image(),
339 replaceImage( newImage );
340 throwException( exceptionInfo );
341 (void) DestroyExceptionInfo( &exceptionInfo );
344 void Magick::Image::addNoiseChannel( const ChannelType channel_,
345 const NoiseType noiseType_ )
347 ExceptionInfo exceptionInfo;
348 GetExceptionInfo( &exceptionInfo );
349 MagickCore::Image* newImage =
350 AddNoiseImageChannel ( image(),
354 replaceImage( newImage );
355 throwException( exceptionInfo );
356 (void) DestroyExceptionInfo( &exceptionInfo );
359 // Affine Transform image
360 void Magick::Image::affineTransform ( const DrawableAffine &affine_ )
362 ExceptionInfo exceptionInfo;
363 GetExceptionInfo( &exceptionInfo );
365 AffineMatrix _affine;
366 _affine.sx = affine_.sx();
367 _affine.sy = affine_.sy();
368 _affine.rx = affine_.rx();
369 _affine.ry = affine_.ry();
370 _affine.tx = affine_.tx();
371 _affine.ty = affine_.ty();
373 MagickCore::Image* newImage =
374 AffineTransformImage( image(), &_affine, &exceptionInfo);
375 replaceImage( newImage );
376 throwException( exceptionInfo );
377 (void) DestroyExceptionInfo( &exceptionInfo );
380 // Annotate using specified text, and placement location
381 void Magick::Image::annotate ( const std::string &text_,
382 const Geometry &location_ )
384 annotate ( text_, location_, NorthWestGravity, 0.0 );
386 // Annotate using specified text, bounding area, and placement gravity
387 void Magick::Image::annotate ( const std::string &text_,
388 const Geometry &boundingArea_,
389 const GravityType gravity_ )
391 annotate ( text_, boundingArea_, gravity_, 0.0 );
393 // Annotate with text using specified text, bounding area, placement
394 // gravity, and rotation.
395 void Magick::Image::annotate ( const std::string &text_,
396 const Geometry &boundingArea_,
397 const GravityType gravity_,
398 const double degrees_ )
403 = options()->drawInfo();
405 drawInfo->text = const_cast<char *>(text_.c_str());
407 char boundingArea[MaxTextExtent];
409 drawInfo->geometry = 0;
410 if ( boundingArea_.isValid() ){
411 if ( boundingArea_.width() == 0 || boundingArea_.height() == 0 )
413 FormatMagickString( boundingArea, MaxTextExtent, "+%u+%u",
414 boundingArea_.xOff(), boundingArea_.yOff() );
418 (void) CopyMagickString( boundingArea, string(boundingArea_).c_str(),
421 drawInfo->geometry = boundingArea;
424 drawInfo->gravity = gravity_;
426 AffineMatrix oaffine = drawInfo->affine;
427 if ( degrees_ != 0.0)
437 AffineMatrix current = drawInfo->affine;
438 affine.sx=cos(DegreesToRadians(fmod(degrees_,360.0)));
439 affine.rx=sin(DegreesToRadians(fmod(degrees_,360.0)));
440 affine.ry=(-sin(DegreesToRadians(fmod(degrees_,360.0))));
441 affine.sy=cos(DegreesToRadians(fmod(degrees_,360.0)));
443 drawInfo->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
444 drawInfo->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
445 drawInfo->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
446 drawInfo->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
447 drawInfo->affine.tx=current.sx*affine.tx+current.ry*affine.ty
451 AnnotateImage( image(), drawInfo );
453 // Restore original values
454 drawInfo->affine = oaffine;
456 drawInfo->geometry = 0;
458 throwImageException();
460 // Annotate with text (bounding area is entire image) and placement gravity.
461 void Magick::Image::annotate ( const std::string &text_,
462 const GravityType gravity_ )
467 = options()->drawInfo();
469 drawInfo->text = const_cast<char *>(text_.c_str());
471 drawInfo->gravity = gravity_;
473 AnnotateImage( image(), drawInfo );
475 drawInfo->gravity = NorthWestGravity;
478 throwImageException();
482 void Magick::Image::blur( const double radius_, const double sigma_ )
484 ExceptionInfo exceptionInfo;
485 GetExceptionInfo( &exceptionInfo );
486 MagickCore::Image* newImage =
487 BlurImage( image(), radius_, sigma_, &exceptionInfo);
488 replaceImage( newImage );
489 throwException( exceptionInfo );
490 (void) DestroyExceptionInfo( &exceptionInfo );
493 void Magick::Image::blurChannel( const ChannelType channel_,
494 const double radius_, const double sigma_ )
496 ExceptionInfo exceptionInfo;
497 GetExceptionInfo( &exceptionInfo );
498 MagickCore::Image* newImage =
499 BlurImageChannel( image(), channel_,radius_, sigma_, &exceptionInfo);
500 replaceImage( newImage );
501 throwException( exceptionInfo );
502 (void) DestroyExceptionInfo( &exceptionInfo );
505 // Add border to image
506 // Only uses width & height
507 void Magick::Image::border( const Geometry &geometry_ )
509 RectangleInfo borderInfo = geometry_;
510 ExceptionInfo exceptionInfo;
511 GetExceptionInfo( &exceptionInfo );
512 MagickCore::Image* newImage =
513 BorderImage( image(), &borderInfo, &exceptionInfo);
514 replaceImage( newImage );
515 throwException( exceptionInfo );
516 (void) DestroyExceptionInfo( &exceptionInfo );
519 // Extract channel from image
520 void Magick::Image::channel ( const ChannelType channel_ )
523 SeparateImageChannel ( image(), channel_ );
524 throwImageException();
527 // Set or obtain modulus channel depth
528 void Magick::Image::channelDepth ( const ChannelType channel_,
529 const unsigned int depth_)
532 SetImageChannelDepth( image(), channel_, depth_);
533 throwImageException();
535 unsigned int Magick::Image::channelDepth ( const ChannelType channel_ )
537 unsigned int channel_depth;
539 ExceptionInfo exceptionInfo;
540 GetExceptionInfo( &exceptionInfo );
541 channel_depth=GetImageChannelDepth( constImage(), channel_,
543 throwException( exceptionInfo );
544 (void) DestroyExceptionInfo( &exceptionInfo );
545 return channel_depth;
549 // Charcoal-effect image
550 void Magick::Image::charcoal( const double radius_, const double sigma_ )
552 ExceptionInfo exceptionInfo;
553 GetExceptionInfo( &exceptionInfo );
554 MagickCore::Image* newImage =
555 CharcoalImage( image(), radius_, sigma_, &exceptionInfo );
556 replaceImage( newImage );
557 throwException( exceptionInfo );
558 (void) DestroyExceptionInfo( &exceptionInfo );
562 void Magick::Image::chop( const Geometry &geometry_ )
564 RectangleInfo chopInfo = geometry_;
565 ExceptionInfo exceptionInfo;
566 GetExceptionInfo( &exceptionInfo );
567 MagickCore::Image* newImage =
568 ChopImage( image(), &chopInfo, &exceptionInfo);
569 replaceImage( newImage );
570 throwException( exceptionInfo );
571 (void) DestroyExceptionInfo( &exceptionInfo );
574 // contains one or more color corrections and applies the correction to the
576 void Magick::Image::cdl ( const std::string &cdl_ )
579 (void) ColorDecisionListImage( image(), cdl_.c_str() );
580 throwImageException();
584 void Magick::Image::colorize ( const unsigned int opacityRed_,
585 const unsigned int opacityGreen_,
586 const unsigned int opacityBlue_,
587 const Color &penColor_ )
589 if ( !penColor_.isValid() )
591 throwExceptionExplicit( OptionError,
592 "Pen color argument is invalid");
595 char opacity[MaxTextExtent];
596 FormatMagickString(opacity,MaxTextExtent,"%u/%u/%u",opacityRed_,opacityGreen_,opacityBlue_);
598 ExceptionInfo exceptionInfo;
599 GetExceptionInfo( &exceptionInfo );
600 MagickCore::Image* newImage =
601 ColorizeImage ( image(), opacity,
602 penColor_, &exceptionInfo );
603 replaceImage( newImage );
604 throwException( exceptionInfo );
605 (void) DestroyExceptionInfo( &exceptionInfo );
607 void Magick::Image::colorize ( const unsigned int opacity_,
608 const Color &penColor_ )
610 colorize( opacity_, opacity_, opacity_, penColor_ );
613 // Apply a color matrix to the image channels. The user supplied
614 // matrix may be of order 1 to 6 (1x1 through 6x6).
615 void Magick::Image::colorMatrix (const unsigned int order_,
616 const double *color_matrix_)
621 ExceptionInfo exceptionInfo;
622 GetExceptionInfo( &exceptionInfo );
623 kernel_info=AcquireKernelInfo("1");
624 kernel_info->width=order_;
625 kernel_info->height=order_;
626 kernel_info->values=(double *) color_matrix_;
627 MagickCore::Image* newImage =
628 ColorMatrixImage( image(), kernel_info, &exceptionInfo );
629 kernel_info->values=(double *) NULL;
630 kernel_info=DestroyKernelInfo(kernel_info);
631 replaceImage( newImage );
632 throwException( exceptionInfo );
633 (void) DestroyExceptionInfo( &exceptionInfo );
636 // Compare current image with another image
637 // Sets meanErrorPerPixel, normalizedMaxError, and normalizedMeanError
638 // in the current image. False is returned if the images are identical.
639 bool Magick::Image::compare ( const Image &reference_ )
642 Image ref = reference_;
644 return static_cast<bool>(IsImagesEqual(image(), ref.image()));
647 // Composite two images
648 void Magick::Image::composite ( const Image &compositeImage_,
651 const CompositeOperator compose_ )
653 // Image supplied as compositeImage is composited with current image and
654 // results in updating current image.
657 CompositeImage( image(),
659 compositeImage_.constImage(),
662 throwImageException();
664 void Magick::Image::composite ( const Image &compositeImage_,
665 const Geometry &offset_,
666 const CompositeOperator compose_ )
670 long x = offset_.xOff();
671 long y = offset_.yOff();
672 unsigned long width = columns();
673 unsigned long height = rows();
675 ParseMetaGeometry (static_cast<std::string>(offset_).c_str(),
679 CompositeImage( image(),
681 compositeImage_.constImage(),
683 throwImageException();
685 void Magick::Image::composite ( const Image &compositeImage_,
686 const GravityType gravity_,
687 const CompositeOperator compose_ )
691 RectangleInfo geometry;
693 SetGeometry(compositeImage_.constImage(), &geometry);
694 GravityAdjustGeometry(columns(), rows(), gravity_, &geometry);
696 CompositeImage( image(),
698 compositeImage_.constImage(),
699 geometry.x, geometry.y );
700 throwImageException();
704 void Magick::Image::contrast ( const unsigned int sharpen_ )
707 ContrastImage ( image(), (MagickBooleanType) sharpen_ );
708 throwImageException();
711 // Convolve image. Applies a general image convolution kernel to the image.
712 // order_ represents the number of columns and rows in the filter kernel.
713 // kernel_ is an array of doubles representing the convolution kernel.
714 void Magick::Image::convolve ( const unsigned int order_,
715 const double *kernel_ )
717 ExceptionInfo exceptionInfo;
718 GetExceptionInfo( &exceptionInfo );
719 MagickCore::Image* newImage =
720 ConvolveImage ( image(), order_,
721 kernel_, &exceptionInfo );
722 replaceImage( newImage );
723 throwException( exceptionInfo );
724 (void) DestroyExceptionInfo( &exceptionInfo );
728 void Magick::Image::crop ( const Geometry &geometry_ )
730 RectangleInfo cropInfo = geometry_;
731 ExceptionInfo exceptionInfo;
732 GetExceptionInfo( &exceptionInfo );
733 MagickCore::Image* newImage =
737 replaceImage( newImage );
738 throwException( exceptionInfo );
739 (void) DestroyExceptionInfo( &exceptionInfo );
743 void Magick::Image::cycleColormap ( const int amount_ )
746 CycleColormapImage( image(), amount_ );
747 throwImageException();
751 void Magick::Image::despeckle ( void )
753 ExceptionInfo exceptionInfo;
754 GetExceptionInfo( &exceptionInfo );
755 MagickCore::Image* newImage =
756 DespeckleImage( image(), &exceptionInfo );
757 replaceImage( newImage );
758 throwException( exceptionInfo );
759 (void) DestroyExceptionInfo( &exceptionInfo );
763 void Magick::Image::display( void )
765 DisplayImages( imageInfo(), image() );
768 // Distort image. distorts an image using various distortion methods, by
769 // mapping color lookups of the source image to a new destination image
770 // usally of the same size as the source image, unless 'bestfit' is set to
772 void Magick::Image::distort ( const DistortImageMethod method_,
773 const unsigned long number_arguments_,
774 const double *arguments_,
775 const bool bestfit_ )
777 ExceptionInfo exceptionInfo;
778 GetExceptionInfo( &exceptionInfo );
779 MagickCore::Image* newImage = DistortImage ( image(), method_,
780 number_arguments_, arguments_, bestfit_ == true ? MagickTrue : MagickFalse,
782 replaceImage( newImage );
783 throwException( exceptionInfo );
784 (void) DestroyExceptionInfo( &exceptionInfo );
787 // Draw on image using single drawable
788 void Magick::Image::draw ( const Magick::Drawable &drawable_ )
792 DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
796 drawable_.operator()(wand);
798 if( constImage()->exception.severity == UndefinedException)
801 wand=DestroyDrawingWand(wand);
804 throwImageException();
807 // Draw on image using a drawable list
808 void Magick::Image::draw ( const std::list<Magick::Drawable> &drawable_ )
812 DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
816 for( std::list<Magick::Drawable>::const_iterator p = drawable_.begin();
817 p != drawable_.end(); p++ )
820 if( constImage()->exception.severity != UndefinedException)
824 if( constImage()->exception.severity == UndefinedException)
827 wand=DestroyDrawingWand(wand);
830 throwImageException();
833 // Hilight edges in image
834 void Magick::Image::edge ( const double radius_ )
836 ExceptionInfo exceptionInfo;
837 GetExceptionInfo( &exceptionInfo );
838 MagickCore::Image* newImage =
839 EdgeImage( image(), radius_, &exceptionInfo );
840 replaceImage( newImage );
841 throwException( exceptionInfo );
842 (void) DestroyExceptionInfo( &exceptionInfo );
845 // Emboss image (hilight edges)
846 void Magick::Image::emboss ( const double radius_, const double sigma_ )
848 ExceptionInfo exceptionInfo;
849 GetExceptionInfo( &exceptionInfo );
850 MagickCore::Image* newImage =
851 EmbossImage( image(), radius_, sigma_, &exceptionInfo );
852 replaceImage( newImage );
853 throwException( exceptionInfo );
854 (void) DestroyExceptionInfo( &exceptionInfo );
857 // Enhance image (minimize noise)
858 void Magick::Image::enhance ( void )
860 ExceptionInfo exceptionInfo;
861 GetExceptionInfo( &exceptionInfo );
862 MagickCore::Image* newImage =
863 EnhanceImage( image(), &exceptionInfo );
864 replaceImage( newImage );
865 throwException( exceptionInfo );
866 (void) DestroyExceptionInfo( &exceptionInfo );
869 // Equalize image (histogram equalization)
870 void Magick::Image::equalize ( void )
873 EqualizeImage( image() );
874 throwImageException();
877 // Erase image to current "background color"
878 void Magick::Image::erase ( void )
881 SetImageBackgroundColor( image() );
882 throwImageException();
885 // Extends image as defined by the geometry.
887 void Magick::Image::extent ( const Geometry &geometry_ )
889 RectangleInfo extentInfo = geometry_;
891 ExceptionInfo exceptionInfo;
892 GetExceptionInfo( &exceptionInfo );
893 ExtentImage ( image(), &extentInfo, &exceptionInfo );
894 throwException( exceptionInfo );
895 (void) DestroyExceptionInfo( &exceptionInfo );
897 void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_ )
899 backgroundColor ( backgroundColor_ );
900 extent ( geometry_ );
902 void Magick::Image::extent ( const Geometry &geometry_, const GravityType gravity_ )
904 image()->gravity = gravity_;
905 extent ( geometry_ );
907 void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_, const GravityType gravity_ )
909 image()->gravity = gravity_;
910 backgroundColor ( backgroundColor_ );
911 extent ( geometry_ );
914 // Flip image (reflect each scanline in the vertical direction)
915 void Magick::Image::flip ( void )
917 ExceptionInfo exceptionInfo;
918 GetExceptionInfo( &exceptionInfo );
919 MagickCore::Image* newImage =
920 FlipImage( image(), &exceptionInfo );
921 replaceImage( newImage );
922 throwException( exceptionInfo );
923 (void) DestroyExceptionInfo( &exceptionInfo );
926 // Flood-fill color across pixels that match the color of the
927 // target pixel and are neighbors of the target pixel.
928 // Uses current fuzz setting when determining color match.
929 void Magick::Image::floodFillColor( const unsigned int x_,
930 const unsigned int y_,
931 const Magick::Color &fillColor_ )
933 floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_ ) );
935 void Magick::Image::floodFillColor( const Geometry &point_,
936 const Magick::Color &fillColor_ )
938 floodFillTexture( point_, Image( Geometry( 1, 1), fillColor_) );
941 // Flood-fill color across pixels starting at target-pixel and
942 // stopping at pixels matching specified border color.
943 // Uses current fuzz setting when determining color match.
944 void Magick::Image::floodFillColor( const unsigned int x_,
945 const unsigned int y_,
946 const Magick::Color &fillColor_,
947 const Magick::Color &borderColor_ )
949 floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_),
952 void Magick::Image::floodFillColor( const Geometry &point_,
953 const Magick::Color &fillColor_,
954 const Magick::Color &borderColor_ )
956 floodFillTexture( point_, Image( Geometry( 1, 1), fillColor_),
960 // Floodfill pixels matching color (within fuzz factor) of target
961 // pixel(x,y) with replacement opacity value using method.
962 void Magick::Image::floodFillOpacity( const unsigned int x_,
963 const unsigned int y_,
964 const unsigned int opacity_,
965 const PaintMethod method_ )
968 MagickPixelPacket target;
969 GetMagickPixelPacket(image(),&target);
970 PixelPacket pixel=static_cast<PixelPacket>(pixelColor(x_,y_));
971 target.red=pixel.red;
972 target.green=pixel.green;
973 target.blue=pixel.blue;
974 target.opacity=opacity_;
975 FloodfillPaintImage ( image(),
977 options()->drawInfo(), // const DrawInfo *draw_info
979 static_cast<long>(x_), static_cast<long>(y_),
980 method_ == FloodfillMethod ? MagickFalse : MagickTrue);
981 throwImageException();
984 // Flood-fill texture across pixels that match the color of the
985 // target pixel and are neighbors of the target pixel.
986 // Uses current fuzz setting when determining color match.
987 void Magick::Image::floodFillTexture( const unsigned int x_,
988 const unsigned int y_,
989 const Magick::Image &texture_ )
993 // Set drawing pattern
994 options()->fillPattern(texture_.constImage());
997 Pixels pixels(*this);
999 PixelPacket *p = pixels.get(x_, y_, 1, 1 );
1000 MagickPixelPacket target;
1001 GetMagickPixelPacket(constImage(),&target);
1003 target.green=p->green;
1004 target.blue=p->blue;
1006 FloodfillPaintImage ( image(), // Image *image
1008 options()->drawInfo(), // const DrawInfo *draw_info
1009 &target, // const MagickPacket target
1010 static_cast<long>(x_), // const long x_offset
1011 static_cast<long>(y_), // const long y_offset
1012 MagickFalse // const PaintMethod method
1015 throwImageException();
1017 void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
1018 const Magick::Image &texture_ )
1020 floodFillTexture( point_.xOff(), point_.yOff(), texture_ );
1023 // Flood-fill texture across pixels starting at target-pixel and
1024 // stopping at pixels matching specified border color.
1025 // Uses current fuzz setting when determining color match.
1026 void Magick::Image::floodFillTexture( const unsigned int x_,
1027 const unsigned int y_,
1028 const Magick::Image &texture_,
1029 const Magick::Color &borderColor_ )
1033 // Set drawing fill pattern
1034 options()->fillPattern(texture_.constImage());
1036 MagickPixelPacket target;
1037 GetMagickPixelPacket(constImage(),&target);
1038 target.red=static_cast<PixelPacket>(borderColor_).red;
1039 target.green=static_cast<PixelPacket>(borderColor_).green;
1040 target.blue=static_cast<PixelPacket>(borderColor_).blue;
1041 FloodfillPaintImage ( image(),
1043 options()->drawInfo(),
1045 static_cast<long>(x_),
1046 static_cast<long>(y_),
1049 throwImageException();
1051 void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
1052 const Magick::Image &texture_,
1053 const Magick::Color &borderColor_ )
1055 floodFillTexture( point_.xOff(), point_.yOff(), texture_, borderColor_ );
1058 // Flop image (reflect each scanline in the horizontal direction)
1059 void Magick::Image::flop ( void )
1061 ExceptionInfo exceptionInfo;
1062 GetExceptionInfo( &exceptionInfo );
1063 MagickCore::Image* newImage =
1064 FlopImage( image(), &exceptionInfo );
1065 replaceImage( newImage );
1066 throwException( exceptionInfo );
1067 (void) DestroyExceptionInfo( &exceptionInfo );
1070 // Implements the discrete Fourier transform (DFT) of the image either as a
1071 // magnitude / phase or real / imaginary image pair.
1072 void Magick::Image::forwardFourierTransform ( void )
1074 ExceptionInfo exceptionInfo;
1075 GetExceptionInfo( &exceptionInfo );
1076 MagickCore::Image* newImage = ForwardFourierTransformImage ( image(),
1077 MagickTrue, &exceptionInfo );
1078 replaceImage( newImage );
1079 throwException( exceptionInfo );
1080 (void) DestroyExceptionInfo( &exceptionInfo );
1082 void Magick::Image::forwardFourierTransform ( const bool magnitude_ )
1084 ExceptionInfo exceptionInfo;
1085 GetExceptionInfo( &exceptionInfo );
1086 MagickCore::Image* newImage = ForwardFourierTransformImage ( image(),
1087 magnitude_ == true ? MagickTrue : MagickFalse, &exceptionInfo );
1088 replaceImage( newImage );
1089 throwException( exceptionInfo );
1090 (void) DestroyExceptionInfo( &exceptionInfo );
1094 void Magick::Image::frame ( const Geometry &geometry_ )
1098 info.x = static_cast<long>(geometry_.width());
1099 info.y = static_cast<long>(geometry_.height());
1100 info.width = columns() + ( static_cast<unsigned long>(info.x) << 1 );
1101 info.height = rows() + ( static_cast<unsigned long>(info.y) << 1 );
1102 info.outer_bevel = geometry_.xOff();
1103 info.inner_bevel = geometry_.yOff();
1105 ExceptionInfo exceptionInfo;
1106 GetExceptionInfo( &exceptionInfo );
1107 MagickCore::Image* newImage =
1108 FrameImage( image(), &info, &exceptionInfo );
1109 replaceImage( newImage );
1110 throwException( exceptionInfo );
1111 (void) DestroyExceptionInfo( &exceptionInfo );
1113 void Magick::Image::frame ( const unsigned int width_,
1114 const unsigned int height_,
1115 const int outerBevel_, const int innerBevel_ )
1118 info.x = static_cast<long>(width_);
1119 info.y = static_cast<long>(height_);
1120 info.width = columns() + ( static_cast<unsigned long>(info.x) << 1 );
1121 info.height = rows() + ( static_cast<unsigned long>(info.y) << 1 );
1122 info.outer_bevel = static_cast<long>(outerBevel_);
1123 info.inner_bevel = static_cast<long>(innerBevel_);
1125 ExceptionInfo exceptionInfo;
1126 GetExceptionInfo( &exceptionInfo );
1127 MagickCore::Image* newImage =
1128 FrameImage( image(), &info, &exceptionInfo );
1129 replaceImage( newImage );
1130 throwException( exceptionInfo );
1131 (void) DestroyExceptionInfo( &exceptionInfo );
1134 // Fx image. Applies a mathematical expression to the image.
1135 void Magick::Image::fx ( const std::string expression )
1137 ExceptionInfo exceptionInfo;
1138 GetExceptionInfo( &exceptionInfo );
1139 MagickCore::Image* newImage =
1140 FxImageChannel ( image(), DefaultChannels, expression.c_str(), &exceptionInfo );
1141 replaceImage( newImage );
1142 throwException( exceptionInfo );
1143 (void) DestroyExceptionInfo( &exceptionInfo );
1145 void Magick::Image::fx ( const std::string expression,
1146 const Magick::ChannelType channel )
1148 ExceptionInfo exceptionInfo;
1149 GetExceptionInfo( &exceptionInfo );
1150 MagickCore::Image* newImage =
1151 FxImageChannel ( image(), channel, expression.c_str(), &exceptionInfo );
1152 replaceImage( newImage );
1153 throwException( exceptionInfo );
1154 (void) DestroyExceptionInfo( &exceptionInfo );
1157 // Gamma correct image
1158 void Magick::Image::gamma ( const double gamma_ )
1160 char gamma[MaxTextExtent + 1];
1161 FormatMagickString( gamma, MaxTextExtent, "%3.6f", gamma_);
1164 GammaImage ( image(), gamma );
1167 void Magick::Image::gamma ( const double gammaRed_,
1168 const double gammaGreen_,
1169 const double gammaBlue_ )
1171 char gamma[MaxTextExtent + 1];
1172 FormatMagickString( gamma, MaxTextExtent, "%3.6f/%3.6f/%3.6f/",
1173 gammaRed_, gammaGreen_, gammaBlue_);
1176 GammaImage ( image(), gamma );
1177 throwImageException();
1180 // Gaussian blur image
1181 // The number of neighbor pixels to be included in the convolution
1182 // mask is specified by 'width_'. The standard deviation of the
1183 // gaussian bell curve is specified by 'sigma_'.
1184 void Magick::Image::gaussianBlur ( const double width_, const double sigma_ )
1186 ExceptionInfo exceptionInfo;
1187 GetExceptionInfo( &exceptionInfo );
1188 MagickCore::Image* newImage =
1189 GaussianBlurImage( image(), width_, sigma_, &exceptionInfo );
1190 replaceImage( newImage );
1191 throwException( exceptionInfo );
1192 (void) DestroyExceptionInfo( &exceptionInfo );
1195 void Magick::Image::gaussianBlurChannel ( const ChannelType channel_,
1196 const double width_,
1197 const double sigma_ )
1199 ExceptionInfo exceptionInfo;
1200 GetExceptionInfo( &exceptionInfo );
1201 MagickCore::Image* newImage =
1202 GaussianBlurImageChannel( image(), channel_, width_, sigma_, &exceptionInfo );
1203 replaceImage( newImage );
1204 throwException( exceptionInfo );
1205 (void) DestroyExceptionInfo( &exceptionInfo );
1208 // Apply a color lookup table (Hald CLUT) to the image.
1209 void Magick::Image::haldClut ( const Image &clutImage_ )
1212 (void) HaldClutImage( image(), clutImage_.constImage() );
1213 throwImageException();
1217 void Magick::Image::implode ( const double factor_ )
1219 ExceptionInfo exceptionInfo;
1220 GetExceptionInfo( &exceptionInfo );
1221 MagickCore::Image* newImage =
1222 ImplodeImage( image(), factor_, &exceptionInfo );
1223 replaceImage( newImage );
1224 throwException( exceptionInfo );
1225 (void) DestroyExceptionInfo( &exceptionInfo );
1228 // implements the inverse discrete Fourier transform (IFT) of the image either
1229 // as a magnitude / phase or real / imaginary image pair.
1230 void Magick::Image::inverseFourierTransform ( const Image &phase_ )
1232 ExceptionInfo exceptionInfo;
1233 GetExceptionInfo( &exceptionInfo );
1234 MagickCore::Image* newImage = InverseFourierTransformImage( image(),
1235 phase_.constImage(), MagickTrue, &exceptionInfo);
1236 replaceImage( newImage );
1237 throwException( exceptionInfo );
1238 (void) DestroyExceptionInfo( &exceptionInfo );
1240 void Magick::Image::inverseFourierTransform ( const Image &phase_,
1241 const bool magnitude_ )
1243 ExceptionInfo exceptionInfo;
1244 GetExceptionInfo( &exceptionInfo );
1245 MagickCore::Image* newImage = InverseFourierTransformImage( image(),
1246 phase_.constImage(), magnitude_ == true ? MagickTrue : MagickFalse,
1248 replaceImage( newImage );
1249 throwException( exceptionInfo );
1250 (void) DestroyExceptionInfo( &exceptionInfo );
1253 // Level image. Adjust the levels of the image by scaling the colors
1254 // falling between specified white and black points to the full
1255 // available quantum range. The parameters provided represent the
1256 // black, mid (gamma), and white points. The black point specifies
1257 // the darkest color in the image. Colors darker than the black point
1258 // are set to zero. Mid point (gamma) specifies a gamma correction to
1259 // apply to the image. White point specifies the lightest color in the
1260 // image. Colors brighter than the white point are set to the maximum
1261 // quantum value. The black and white point have the valid range 0 to
1262 // QuantumRange while gamma has a useful range of 0 to ten.
1263 void Magick::Image::level ( const double black_point,
1264 const double white_point,
1265 const double gamma )
1268 char levels[MaxTextExtent];
1269 FormatMagickString( levels, MaxTextExtent, "%g,%g,%g",black_point,white_point,gamma);
1270 (void) LevelImage( image(), levels );
1271 throwImageException();
1274 // Level image channel. Adjust the levels of the image channel by
1275 // scaling the values falling between specified white and black points
1276 // to the full available quantum range. The parameters provided
1277 // represent the black, mid (gamma), and white points. The black
1278 // point specifies the darkest color in the image. Colors darker than
1279 // the black point are set to zero. Mid point (gamma) specifies a
1280 // gamma correction to apply to the image. White point specifies the
1281 // lightest color in the image. Colors brighter than the white point
1282 // are set to the maximum quantum value. The black and white point
1283 // have the valid range 0 to QuantumRange while gamma has a useful range of
1285 void Magick::Image::levelChannel ( const Magick::ChannelType channel,
1286 const double black_point,
1287 const double white_point,
1288 const double gamma )
1291 (void) LevelImageChannel( image(), channel, black_point, white_point,
1293 throwImageException();
1296 // Magnify image by integral size
1297 void Magick::Image::magnify ( void )
1299 ExceptionInfo exceptionInfo;
1300 GetExceptionInfo( &exceptionInfo );
1301 MagickCore::Image* newImage =
1302 MagnifyImage( image(), &exceptionInfo );
1303 replaceImage( newImage );
1304 throwException( exceptionInfo );
1305 (void) DestroyExceptionInfo( &exceptionInfo );
1308 // Remap image colors with closest color from reference image
1309 void Magick::Image::map ( const Image &mapImage_ , const bool dither_ )
1312 options()->quantizeDither( dither_ );
1313 RemapImage ( options()->quantizeInfo(), image(),
1314 mapImage_.constImage());
1315 throwImageException();
1317 // Floodfill designated area with replacement opacity value
1318 void Magick::Image::matteFloodfill ( const Color &target_ ,
1319 const unsigned int opacity_,
1320 const int x_, const int y_,
1321 const Magick::PaintMethod method_ )
1324 MagickPixelPacket target;
1325 GetMagickPixelPacket(constImage(),&target);
1326 target.red=static_cast<PixelPacket>(target_).red;
1327 target.green=static_cast<PixelPacket>(target_).green;
1328 target.blue=static_cast<PixelPacket>(target_).blue;
1329 target.opacity=opacity_;
1330 FloodfillPaintImage ( image(), OpacityChannel, options()->drawInfo(), &target,
1331 x_, y_, method_ == FloodfillMethod ? MagickFalse : MagickTrue);
1332 throwImageException();
1335 // Filter image by replacing each pixel component with the median
1336 // color in a circular neighborhood
1337 void Magick::Image::medianFilter ( const double radius_ )
1339 ExceptionInfo exceptionInfo;
1340 GetExceptionInfo( &exceptionInfo );
1341 MagickCore::Image* newImage =
1342 MedianFilterImage ( image(), radius_, &exceptionInfo );
1343 replaceImage( newImage );
1344 throwException( exceptionInfo );
1345 (void) DestroyExceptionInfo( &exceptionInfo );
1348 // Reduce image by integral size
1349 void Magick::Image::minify ( void )
1351 ExceptionInfo exceptionInfo;
1352 GetExceptionInfo( &exceptionInfo );
1353 MagickCore::Image* newImage =
1354 MinifyImage( image(), &exceptionInfo );
1355 replaceImage( newImage );
1356 throwException( exceptionInfo );
1357 (void) DestroyExceptionInfo( &exceptionInfo );
1360 // Modulate percent hue, saturation, and brightness of an image
1361 void Magick::Image::modulate ( const double brightness_,
1362 const double saturation_,
1365 char modulate[MaxTextExtent + 1];
1366 FormatMagickString( modulate, MaxTextExtent, "%3.6f,%3.6f,%3.6f",
1367 brightness_, saturation_, hue_);
1370 ModulateImage( image(), modulate );
1371 throwImageException();
1374 // Motion blur image with specified blur factor
1375 // The radius_ parameter specifies the radius of the Gaussian, in
1376 // pixels, not counting the center pixel. The sigma_ parameter
1377 // specifies the standard deviation of the Laplacian, in pixels.
1378 // The angle_ parameter specifies the angle the object appears
1379 // to be comming from (zero degrees is from the right).
1380 void Magick::Image::motionBlur ( const double radius_,
1381 const double sigma_,
1382 const double angle_ )
1384 ExceptionInfo exceptionInfo;
1385 GetExceptionInfo( &exceptionInfo );
1386 MagickCore::Image* newImage =
1387 MotionBlurImage( image(), radius_, sigma_, angle_, &exceptionInfo);
1388 replaceImage( newImage );
1389 throwException( exceptionInfo );
1390 (void) DestroyExceptionInfo( &exceptionInfo );
1393 // Negate image. Set grayscale_ to true to effect grayscale values
1395 void Magick::Image::negate ( const bool grayscale_ )
1398 NegateImage ( image(), grayscale_ == true ? MagickTrue : MagickFalse );
1399 throwImageException();
1403 void Magick::Image::normalize ( void )
1406 NormalizeImage ( image() );
1407 throwImageException();
1411 void Magick::Image::oilPaint ( const double radius_ )
1413 ExceptionInfo exceptionInfo;
1414 GetExceptionInfo( &exceptionInfo );
1415 MagickCore::Image* newImage =
1416 OilPaintImage( image(), radius_, &exceptionInfo );
1417 replaceImage( newImage );
1418 throwException( exceptionInfo );
1419 (void) DestroyExceptionInfo( &exceptionInfo );
1422 // Set or attenuate the opacity channel. If the image pixels are
1423 // opaque then they are set to the specified opacity value, otherwise
1424 // they are blended with the supplied opacity value. The value of
1425 // opacity_ ranges from 0 (completely opaque) to QuantumRange. The defines
1426 // OpaqueOpacity and TransparentOpacity are available to specify
1427 // completely opaque or completely transparent, respectively.
1428 void Magick::Image::opacity ( const unsigned int opacity_ )
1431 SetImageOpacity( image(), opacity_ );
1434 // Change the color of an opaque pixel to the pen color.
1435 void Magick::Image::opaque ( const Color &opaqueColor_,
1436 const Color &penColor_ )
1438 if ( !opaqueColor_.isValid() )
1440 throwExceptionExplicit( OptionError,
1441 "Opaque color argument is invalid" );
1443 if ( !penColor_.isValid() )
1445 throwExceptionExplicit( OptionError,
1446 "Pen color argument is invalid" );
1450 std::string opaqueColor = opaqueColor_;
1451 std::string penColor = penColor_;
1453 MagickPixelPacket opaque;
1454 MagickPixelPacket pen;
1455 (void) QueryMagickColor(std::string(opaqueColor_).c_str(),&opaque,&image()->exception);
1456 (void) QueryMagickColor(std::string(penColor_).c_str(),&pen,&image()->exception);
1457 OpaquePaintImage ( image(), &opaque, &pen, MagickFalse );
1458 throwImageException();
1461 // Ping is similar to read except only enough of the image is read to
1462 // determine the image columns, rows, and filesize. Access the
1463 // columns(), rows(), and fileSize() attributes after invoking ping.
1464 // The image data is not valid after calling ping.
1465 void Magick::Image::ping ( const std::string &imageSpec_ )
1467 options()->fileName( imageSpec_ );
1468 ExceptionInfo exceptionInfo;
1469 GetExceptionInfo( &exceptionInfo );
1470 MagickCore::Image* image =
1471 PingImage( imageInfo(), &exceptionInfo );
1472 replaceImage( image );
1473 throwException( exceptionInfo );
1474 (void) DestroyExceptionInfo( &exceptionInfo );
1477 // Ping is similar to read except only enough of the image is read
1478 // to determine the image columns, rows, and filesize. Access the
1479 // columns(), rows(), and fileSize() attributes after invoking
1480 // ping. The image data is not valid after calling ping.
1481 void Magick::Image::ping ( const Blob& blob_ )
1483 ExceptionInfo exceptionInfo;
1484 GetExceptionInfo( &exceptionInfo );
1485 MagickCore::Image* image =
1486 PingBlob( imageInfo(), blob_.data(), blob_.length(), &exceptionInfo );
1487 replaceImage( image );
1488 throwException( exceptionInfo );
1489 (void) DestroyExceptionInfo( &exceptionInfo );
1492 // Execute a named process module using an argc/argv syntax similar to
1493 // that accepted by a C 'main' routine. An exception is thrown if the
1494 // requested process module doesn't exist, fails to load, or fails during
1496 void Magick::Image::process( std::string name_, const int argc, const char **argv )
1500 unsigned int status =
1501 InvokeDynamicImageFilter( name_.c_str(), &image(), argc, argv,
1502 &image()->exception );
1504 if (status == false)
1505 throwException( image()->exception );
1508 // Quantize colors in image using current quantization settings
1509 // Set measureError_ to true in order to measure quantization error
1510 void Magick::Image::quantize ( const bool measureError_ )
1515 options()->quantizeInfo()->measure_error=MagickTrue;
1517 options()->quantizeInfo()->measure_error=MagickFalse;
1519 QuantizeImage( options()->quantizeInfo(), image() );
1521 throwImageException();
1524 // Apply an arithmetic or bitwise operator to the image pixel quantums.
1525 void Magick::Image::quantumOperator ( const ChannelType channel_,
1526 const MagickEvaluateOperator operator_,
1529 ExceptionInfo exceptionInfo;
1530 GetExceptionInfo( &exceptionInfo );
1531 EvaluateImageChannel( image(), channel_, operator_, rvalue_, &exceptionInfo);
1532 throwException( exceptionInfo );
1533 (void) DestroyExceptionInfo( &exceptionInfo );
1536 void Magick::Image::quantumOperator ( const int x_,const int y_,
1537 const unsigned int columns_,
1538 const unsigned int rows_,
1539 const ChannelType channel_,
1540 const MagickEvaluateOperator operator_,
1541 const double rvalue_)
1543 ExceptionInfo exceptionInfo;
1544 GetExceptionInfo( &exceptionInfo );
1545 RectangleInfo geometry;
1546 geometry.width = columns_;
1547 geometry.height = rows_;
1550 MagickCore::Image *crop_image = CropImage( image(), &geometry,
1552 EvaluateImageChannel( crop_image, channel_, operator_, rvalue_,
1554 (void) CompositeImage( image(), image()->matte != MagickFalse ?
1555 OverCompositeOp : CopyCompositeOp, crop_image, geometry.x, geometry.y );
1556 crop_image = DestroyImageList(crop_image);
1557 throwException( exceptionInfo );
1558 (void) DestroyExceptionInfo( &exceptionInfo );
1561 // Raise image (lighten or darken the edges of an image to give a 3-D
1562 // raised or lowered effect)
1563 void Magick::Image::raise ( const Geometry &geometry_ ,
1564 const bool raisedFlag_ )
1566 RectangleInfo raiseInfo = geometry_;
1568 RaiseImage ( image(), &raiseInfo, raisedFlag_ == true ? MagickTrue : MagickFalse );
1569 throwImageException();
1573 // Random threshold image.
1575 // Changes the value of individual pixels based on the intensity
1576 // of each pixel compared to a random threshold. The result is a
1577 // low-contrast, two color image. The thresholds_ argument is a
1578 // geometry containing LOWxHIGH thresholds. If the string
1579 // contains 2x2, 3x3, or 4x4, then an ordered dither of order 2,
1580 // 3, or 4 will be performed instead. If a channel_ argument is
1581 // specified then only the specified channel is altered. This is
1582 // a very fast alternative to 'quantize' based dithering.
1583 void Magick::Image::randomThreshold( const Geometry &thresholds_ )
1585 randomThresholdChannel(thresholds_,DefaultChannels);
1587 void Magick::Image::randomThresholdChannel( const Geometry &thresholds_,
1588 const ChannelType channel_ )
1590 ExceptionInfo exceptionInfo;
1591 GetExceptionInfo( &exceptionInfo );
1593 (void) RandomThresholdImageChannel( image(),
1595 static_cast<std::string>(thresholds_).c_str(),
1597 throwImageException();
1598 (void) DestroyExceptionInfo( &exceptionInfo );
1601 // Read image into current object
1602 void Magick::Image::read ( const std::string &imageSpec_ )
1604 options()->fileName( imageSpec_ );
1606 ExceptionInfo exceptionInfo;
1607 GetExceptionInfo( &exceptionInfo );
1608 MagickCore::Image* image =
1609 ReadImage( imageInfo(), &exceptionInfo );
1611 // Ensure that multiple image frames were not read.
1612 if ( image && image->next )
1614 // Destroy any extra image frames
1615 MagickCore::Image* next = image->next;
1618 DestroyImageList( next );
1621 replaceImage( image );
1622 throwException( exceptionInfo );
1624 throwException( image->exception );
1625 (void) DestroyExceptionInfo( &exceptionInfo );
1628 // Read image of specified size into current object
1629 void Magick::Image::read ( const Geometry &size_,
1630 const std::string &imageSpec_ )
1636 // Read image from in-memory BLOB
1637 void Magick::Image::read ( const Blob &blob_ )
1639 ExceptionInfo exceptionInfo;
1640 GetExceptionInfo( &exceptionInfo );
1641 MagickCore::Image* image =
1642 BlobToImage( imageInfo(),
1643 static_cast<const void *>(blob_.data()),
1644 blob_.length(), &exceptionInfo );
1645 replaceImage( image );
1646 throwException( exceptionInfo );
1648 throwException( image->exception );
1649 (void) DestroyExceptionInfo( &exceptionInfo );
1652 // Read image of specified size from in-memory BLOB
1653 void Magick::Image::read ( const Blob &blob_,
1654 const Geometry &size_ )
1662 // Read image of specified size and depth from in-memory BLOB
1663 void Magick::Image::read ( const Blob &blob_,
1664 const Geometry &size_,
1665 const unsigned int depth_ )
1675 // Read image of specified size, depth, and format from in-memory BLOB
1676 void Magick::Image::read ( const Blob &blob_,
1677 const Geometry &size_,
1678 const unsigned int depth_,
1679 const std::string &magick_ )
1687 // Set explicit image format
1688 fileName( magick_ + ':');
1693 // Read image of specified size, and format from in-memory BLOB
1694 void Magick::Image::read ( const Blob &blob_,
1695 const Geometry &size_,
1696 const std::string &magick_ )
1702 // Set explicit image format
1703 fileName( magick_ + ':');
1708 // Read image based on raw pixels in memory (ConstituteImage)
1709 void Magick::Image::read ( const unsigned int width_,
1710 const unsigned int height_,
1711 const std::string &map_,
1712 const StorageType type_,
1713 const void *pixels_ )
1715 ExceptionInfo exceptionInfo;
1716 GetExceptionInfo( &exceptionInfo );
1717 MagickCore::Image* image =
1718 ConstituteImage( width_, height_, map_.c_str(), type_, pixels_,
1720 replaceImage( image );
1721 throwException( exceptionInfo );
1723 throwException( image->exception );
1724 (void) DestroyExceptionInfo( &exceptionInfo );
1727 // Reduce noise in image
1728 void Magick::Image::reduceNoise ( const double order_ )
1730 ExceptionInfo exceptionInfo;
1731 GetExceptionInfo( &exceptionInfo );
1732 MagickCore::Image* newImage =
1733 ReduceNoiseImage( image(), order_, &exceptionInfo );
1734 replaceImage( newImage );
1735 throwException( exceptionInfo );
1736 (void) DestroyExceptionInfo( &exceptionInfo );
1740 void Magick::Image::resize( const Geometry &geometry_ )
1742 // Calculate new size. This code should be supported using binary arguments
1743 // in the ImageMagick library.
1746 unsigned long width = columns();
1747 unsigned long height = rows();
1749 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1753 ExceptionInfo exceptionInfo;
1754 GetExceptionInfo( &exceptionInfo );
1755 MagickCore::Image* newImage =
1756 ResizeImage( image(),
1762 replaceImage( newImage );
1763 throwException( exceptionInfo );
1764 (void) DestroyExceptionInfo( &exceptionInfo );
1768 void Magick::Image::roll ( const Geometry &roll_ )
1770 long xOff = roll_.xOff();
1771 if ( roll_.xNegative() )
1773 long yOff = roll_.yOff();
1774 if ( roll_.yNegative() )
1777 ExceptionInfo exceptionInfo;
1778 GetExceptionInfo( &exceptionInfo );
1779 MagickCore::Image* newImage =
1780 RollImage( image(), xOff, yOff, &exceptionInfo );
1781 replaceImage( newImage );
1782 throwException( exceptionInfo );
1783 (void) DestroyExceptionInfo( &exceptionInfo );
1785 void Magick::Image::roll ( const unsigned int columns_,
1786 const unsigned int rows_ )
1788 ExceptionInfo exceptionInfo;
1789 GetExceptionInfo( &exceptionInfo );
1790 MagickCore::Image* newImage =
1792 static_cast<long>(columns_),
1793 static_cast<long>(rows_), &exceptionInfo );
1794 replaceImage( newImage );
1795 throwException( exceptionInfo );
1796 (void) DestroyExceptionInfo( &exceptionInfo );
1800 void Magick::Image::rotate ( const double degrees_ )
1802 ExceptionInfo exceptionInfo;
1803 GetExceptionInfo( &exceptionInfo );
1804 MagickCore::Image* newImage =
1805 RotateImage( image(), degrees_, &exceptionInfo);
1806 replaceImage( newImage );
1807 throwException( exceptionInfo );
1808 (void) DestroyExceptionInfo( &exceptionInfo );
1812 void Magick::Image::sample ( const Geometry &geometry_ )
1816 unsigned long width = columns();
1817 unsigned long height = rows();
1819 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1823 ExceptionInfo exceptionInfo;
1824 GetExceptionInfo( &exceptionInfo );
1825 MagickCore::Image* newImage =
1826 SampleImage( image(), width, height, &exceptionInfo );
1827 replaceImage( newImage );
1828 throwException( exceptionInfo );
1829 (void) DestroyExceptionInfo( &exceptionInfo );
1833 void Magick::Image::scale ( const Geometry &geometry_ )
1837 unsigned long width = columns();
1838 unsigned long height = rows();
1840 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1844 ExceptionInfo exceptionInfo;
1845 GetExceptionInfo( &exceptionInfo );
1846 MagickCore::Image* newImage =
1847 ScaleImage( image(), width, height, &exceptionInfo );
1848 replaceImage( newImage );
1849 throwException( exceptionInfo );
1850 (void) DestroyExceptionInfo( &exceptionInfo );
1853 // Segment (coalesce similar image components) by analyzing the
1854 // histograms of the color components and identifying units that are
1855 // homogeneous with the fuzzy c-means technique.
1856 void Magick::Image::segment ( const double clusterThreshold_,
1857 const double smoothingThreshold_ )
1860 SegmentImage ( image(),
1861 options()->quantizeColorSpace(),
1862 (MagickBooleanType) options()->verbose(),
1864 smoothingThreshold_ );
1865 throwImageException();
1866 SyncImage( image() );
1867 throwImageException();
1870 // Shade image using distant light source
1871 void Magick::Image::shade ( const double azimuth_,
1872 const double elevation_,
1873 const bool colorShading_ )
1875 ExceptionInfo exceptionInfo;
1876 GetExceptionInfo( &exceptionInfo );
1877 MagickCore::Image* newImage =
1878 ShadeImage( image(),
1879 colorShading_ == true ? MagickTrue : MagickFalse,
1883 replaceImage( newImage );
1884 throwException( exceptionInfo );
1885 (void) DestroyExceptionInfo( &exceptionInfo );
1888 // Sharpen pixels in image
1889 void Magick::Image::sharpen ( const double radius_, const double sigma_ )
1891 ExceptionInfo exceptionInfo;
1892 GetExceptionInfo( &exceptionInfo );
1893 MagickCore::Image* newImage =
1894 SharpenImage( image(),
1898 replaceImage( newImage );
1899 throwException( exceptionInfo );
1900 (void) DestroyExceptionInfo( &exceptionInfo );
1903 void Magick::Image::sharpenChannel ( const ChannelType channel_,
1904 const double radius_, const double sigma_ )
1906 ExceptionInfo exceptionInfo;
1907 GetExceptionInfo( &exceptionInfo );
1908 MagickCore::Image* newImage =
1909 SharpenImageChannel( image(),
1914 replaceImage( newImage );
1915 throwException( exceptionInfo );
1916 (void) DestroyExceptionInfo( &exceptionInfo );
1919 // Shave pixels from image edges.
1920 void Magick::Image::shave ( const Geometry &geometry_ )
1922 RectangleInfo shaveInfo = geometry_;
1923 ExceptionInfo exceptionInfo;
1924 GetExceptionInfo( &exceptionInfo );
1925 MagickCore::Image* newImage =
1926 ShaveImage( image(),
1929 replaceImage( newImage );
1930 throwException( exceptionInfo );
1931 (void) DestroyExceptionInfo( &exceptionInfo );
1935 void Magick::Image::shear ( const double xShearAngle_,
1936 const double yShearAngle_ )
1938 ExceptionInfo exceptionInfo;
1939 GetExceptionInfo( &exceptionInfo );
1940 MagickCore::Image* newImage =
1941 ShearImage( image(),
1945 replaceImage( newImage );
1946 throwException( exceptionInfo );
1947 (void) DestroyExceptionInfo( &exceptionInfo );
1951 void Magick::Image::sigmoidalContrast ( const unsigned int sharpen_, const double contrast, const double midpoint )
1954 (void) SigmoidalContrastImageChannel( image(), DefaultChannels, (MagickBooleanType) sharpen_, contrast, midpoint );
1955 throwImageException();
1958 // Solarize image (similar to effect seen when exposing a photographic
1959 // film to light during the development process)
1960 void Magick::Image::solarize ( const double factor_ )
1963 SolarizeImage ( image(), factor_ );
1964 throwImageException();
1967 // Sparse color image, given a set of coordinates, interpolates the colors
1968 // found at those coordinates, across the whole image, using various methods.
1970 void Magick::Image::sparseColor ( const ChannelType channel,
1971 const SparseColorMethod method,
1972 const unsigned long number_arguments,
1973 const double *arguments )
1975 ExceptionInfo exceptionInfo;
1976 GetExceptionInfo( &exceptionInfo );
1977 MagickCore::Image* newImage = SparseColorImage ( image(), channel, method,
1978 number_arguments, arguments, &exceptionInfo );
1979 replaceImage( newImage );
1980 throwException( exceptionInfo );
1981 (void) DestroyExceptionInfo( &exceptionInfo );
1984 // Spread pixels randomly within image by specified ammount
1985 void Magick::Image::spread ( const unsigned int amount_ )
1987 ExceptionInfo exceptionInfo;
1988 GetExceptionInfo( &exceptionInfo );
1989 MagickCore::Image* newImage =
1990 SpreadImage( image(),
1993 replaceImage( newImage );
1994 throwException( exceptionInfo );
1995 (void) DestroyExceptionInfo( &exceptionInfo );
1998 // Add a digital watermark to the image (based on second image)
1999 void Magick::Image::stegano ( const Image &watermark_ )
2001 ExceptionInfo exceptionInfo;
2002 GetExceptionInfo( &exceptionInfo );
2003 MagickCore::Image* newImage =
2004 SteganoImage( image(),
2005 watermark_.constImage(),
2007 replaceImage( newImage );
2008 throwException( exceptionInfo );
2009 (void) DestroyExceptionInfo( &exceptionInfo );
2012 // Stereo image (left image is current image)
2013 void Magick::Image::stereo ( const Image &rightImage_ )
2015 ExceptionInfo exceptionInfo;
2016 GetExceptionInfo( &exceptionInfo );
2017 MagickCore::Image* newImage =
2018 StereoImage( image(),
2019 rightImage_.constImage(),
2021 replaceImage( newImage );
2022 throwException( exceptionInfo );
2023 (void) DestroyExceptionInfo( &exceptionInfo );
2027 void Magick::Image::swirl ( const double degrees_ )
2029 ExceptionInfo exceptionInfo;
2030 GetExceptionInfo( &exceptionInfo );
2031 MagickCore::Image* newImage =
2032 SwirlImage( image(), degrees_,
2034 replaceImage( newImage );
2035 throwException( exceptionInfo );
2036 (void) DestroyExceptionInfo( &exceptionInfo );
2040 void Magick::Image::texture ( const Image &texture_ )
2043 TextureImage( image(), texture_.constImage() );
2044 throwImageException();
2048 void Magick::Image::threshold ( const double threshold_ )
2051 BilevelImage( image(), threshold_ );
2052 throwImageException();
2055 // Transform image based on image geometry only
2056 void Magick::Image::transform ( const Geometry &imageGeometry_ )
2059 TransformImage ( &(image()), 0,
2060 std::string(imageGeometry_).c_str() );
2061 throwImageException();
2063 // Transform image based on image and crop geometries
2064 void Magick::Image::transform ( const Geometry &imageGeometry_,
2065 const Geometry &cropGeometry_ )
2068 TransformImage ( &(image()), std::string(cropGeometry_).c_str(),
2069 std::string(imageGeometry_).c_str() );
2070 throwImageException();
2073 // Add matte image to image, setting pixels matching color to transparent
2074 void Magick::Image::transparent ( const Color &color_ )
2076 if ( !color_.isValid() )
2078 throwExceptionExplicit( OptionError,
2079 "Color argument is invalid" );
2082 std::string color = color_;
2084 MagickPixelPacket target;
2085 (void) QueryMagickColor(std::string(color_).c_str(),&target,&image()->exception);
2087 TransparentPaintImage ( image(), &target, TransparentOpacity, MagickFalse );
2088 throwImageException();
2091 // Add matte image to image, setting pixels matching color to transparent
2092 void Magick::Image::transparentChroma(const Color &colorLow_,
2093 const Color &colorHigh_)
2095 if ( !colorLow_.isValid() || !colorHigh_.isValid() )
2097 throwExceptionExplicit( OptionError,
2098 "Color argument is invalid" );
2101 std::string colorLow = colorLow_;
2102 std::string colorHigh = colorHigh_;
2104 MagickPixelPacket targetLow;
2105 MagickPixelPacket targetHigh;
2106 (void) QueryMagickColor(std::string(colorLow_).c_str(),&targetLow,
2107 &image()->exception);
2108 (void) QueryMagickColor(std::string(colorHigh_).c_str(),&targetHigh,
2109 &image()->exception);
2111 TransparentPaintImageChroma ( image(), &targetLow, &targetHigh,
2112 TransparentOpacity, MagickFalse );
2113 throwImageException();
2117 // Trim edges that are the background color from the image
2118 void Magick::Image::trim ( void )
2120 ExceptionInfo exceptionInfo;
2121 GetExceptionInfo( &exceptionInfo );
2122 MagickCore::Image* newImage =
2123 TrimImage( image(), &exceptionInfo);
2124 replaceImage( newImage );
2125 throwException( exceptionInfo );
2126 (void) DestroyExceptionInfo( &exceptionInfo );
2129 // Replace image with a sharpened version of the original image
2130 // using the unsharp mask algorithm.
2132 // the radius of the Gaussian, in pixels, not counting the
2135 // the standard deviation of the Gaussian, in pixels.
2137 // the percentage of the difference between the original and
2138 // the blur image that is added back into the original.
2140 // the threshold in pixels needed to apply the diffence amount.
2141 void Magick::Image::unsharpmask ( const double radius_,
2142 const double sigma_,
2143 const double amount_,
2144 const double threshold_ )
2146 ExceptionInfo exceptionInfo;
2147 GetExceptionInfo( &exceptionInfo );
2148 MagickCore::Image* newImage =
2149 UnsharpMaskImage( image(),
2155 replaceImage( newImage );
2156 throwException( exceptionInfo );
2157 (void) DestroyExceptionInfo( &exceptionInfo );
2160 void Magick::Image::unsharpmaskChannel ( const ChannelType channel_,
2161 const double radius_,
2162 const double sigma_,
2163 const double amount_,
2164 const double threshold_ )
2166 ExceptionInfo exceptionInfo;
2167 GetExceptionInfo( &exceptionInfo );
2168 MagickCore::Image* newImage =
2169 UnsharpMaskImageChannel( image(),
2176 replaceImage( newImage );
2177 throwException( exceptionInfo );
2178 (void) DestroyExceptionInfo( &exceptionInfo );
2181 // Map image pixels to a sine wave
2182 void Magick::Image::wave ( const double amplitude_, const double wavelength_ )
2184 ExceptionInfo exceptionInfo;
2185 GetExceptionInfo( &exceptionInfo );
2186 MagickCore::Image* newImage =
2191 replaceImage( newImage );
2192 throwException( exceptionInfo );
2193 (void) DestroyExceptionInfo( &exceptionInfo );
2196 // Write image to file
2197 void Magick::Image::write( const std::string &imageSpec_ )
2200 fileName( imageSpec_ );
2201 WriteImage( imageInfo(), image() );
2202 throwImageException();
2205 // Write image to in-memory BLOB
2206 void Magick::Image::write ( Blob *blob_ )
2209 size_t length = 2048; // Efficient size for small images
2210 ExceptionInfo exceptionInfo;
2211 GetExceptionInfo( &exceptionInfo );
2212 void* data = ImageToBlob( imageInfo(),
2216 throwException( exceptionInfo );
2217 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2218 throwImageException();
2219 (void) DestroyExceptionInfo( &exceptionInfo );
2221 void Magick::Image::write ( Blob *blob_,
2222 const std::string &magick_ )
2226 size_t length = 2048; // Efficient size for small images
2227 ExceptionInfo exceptionInfo;
2228 GetExceptionInfo( &exceptionInfo );
2229 void* data = ImageToBlob( imageInfo(),
2233 throwException( exceptionInfo );
2234 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2235 throwImageException();
2236 (void) DestroyExceptionInfo( &exceptionInfo );
2238 void Magick::Image::write ( Blob *blob_,
2239 const std::string &magick_,
2240 const unsigned int depth_ )
2245 size_t length = 2048; // Efficient size for small images
2246 ExceptionInfo exceptionInfo;
2247 GetExceptionInfo( &exceptionInfo );
2248 void* data = ImageToBlob( imageInfo(),
2252 throwException( exceptionInfo );
2253 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2254 throwImageException();
2255 (void) DestroyExceptionInfo( &exceptionInfo );
2258 // Write image to an array of pixels with storage type specified
2259 // by user (ExportImagePixels), e.g.
2260 // image.write( 0, 0, 640, 1, "RGB", 0, pixels );
2261 void Magick::Image::write ( const int x_,
2263 const unsigned int columns_,
2264 const unsigned int rows_,
2265 const std::string &map_,
2266 const StorageType type_,
2269 ExceptionInfo exceptionInfo;
2270 GetExceptionInfo( &exceptionInfo );
2271 ExportImagePixels( image(), x_, y_, columns_, rows_, map_.c_str(), type_,
2274 throwException( exceptionInfo );
2275 (void) DestroyExceptionInfo( &exceptionInfo );
2279 void Magick::Image::zoom( const Geometry &geometry_ )
2281 // Calculate new size. This code should be supported using binary arguments
2282 // in the ImageMagick library.
2285 unsigned long width = columns();
2286 unsigned long height = rows();
2288 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
2292 ExceptionInfo exceptionInfo;
2293 GetExceptionInfo( &exceptionInfo );
2294 MagickCore::Image* newImage =
2299 replaceImage( newImage );
2300 throwException( exceptionInfo );
2301 (void) DestroyExceptionInfo( &exceptionInfo );
2305 * Methods for setting image attributes
2309 // Join images into a single multi-image file
2310 void Magick::Image::adjoin ( const bool flag_ )
2313 options()->adjoin( flag_ );
2315 bool Magick::Image::adjoin ( void ) const
2317 return constOptions()->adjoin();
2320 // Remove pixel aliasing
2321 void Magick::Image::antiAlias( const bool flag_ )
2324 options()->antiAlias( static_cast<unsigned int>(flag_) );
2326 bool Magick::Image::antiAlias( void )
2328 return static_cast<bool>( options()->antiAlias( ) );
2331 // Animation inter-frame delay
2332 void Magick::Image::animationDelay ( const unsigned int delay_ )
2335 image()->delay = delay_;
2337 unsigned int Magick::Image::animationDelay ( void ) const
2339 return constImage()->delay;
2342 // Number of iterations to play animation
2343 void Magick::Image::animationIterations ( const unsigned int iterations_ )
2346 image()->iterations = iterations_;
2348 unsigned int Magick::Image::animationIterations ( void ) const
2350 return constImage()->iterations;
2353 // Access/Update a named image attribute
2354 void Magick::Image::attribute ( const std::string name_,
2355 const std::string value_ )
2358 SetImageProperty( image(), name_.c_str(), value_.c_str() );
2360 std::string Magick::Image::attribute ( const std::string name_ )
2362 const char *value = GetImageProperty( constImage(), name_.c_str() );
2365 return std::string( value );
2367 return std::string(); // Intentionally no exception
2371 void Magick::Image::backgroundColor ( const Color &color_ )
2375 if ( color_.isValid() )
2377 image()->background_color.red = color_.redQuantum();
2378 image()->background_color.green = color_.greenQuantum();
2379 image()->background_color.blue = color_.blueQuantum();
2380 image()->background_color.opacity = color_.alphaQuantum();
2384 image()->background_color.red = 0;
2385 image()->background_color.green = 0;
2386 image()->background_color.blue = 0;
2387 image()->background_color.opacity = OpaqueOpacity;
2390 options()->backgroundColor( color_ );
2392 Magick::Color Magick::Image::backgroundColor ( void ) const
2394 return constOptions()->backgroundColor( );
2397 // Background fill texture
2398 void Magick::Image::backgroundTexture ( const std::string &backgroundTexture_ )
2401 options()->backgroundTexture( backgroundTexture_ );
2403 std::string Magick::Image::backgroundTexture ( void ) const
2405 return constOptions()->backgroundTexture( );
2408 // Original image columns
2409 unsigned int Magick::Image::baseColumns ( void ) const
2411 return constImage()->magick_columns;
2414 // Original image name
2415 std::string Magick::Image::baseFilename ( void ) const
2417 return std::string(constImage()->magick_filename);
2420 // Original image rows
2421 unsigned int Magick::Image::baseRows ( void ) const
2423 return constImage()->magick_rows;
2427 void Magick::Image::borderColor ( const Color &color_ )
2431 if ( color_.isValid() )
2433 image()->border_color.red = color_.redQuantum();
2434 image()->border_color.green = color_.greenQuantum();
2435 image()->border_color.blue = color_.blueQuantum();
2436 image()->border_color.opacity = color_.alphaQuantum();
2440 image()->border_color.red = 0;
2441 image()->border_color.green = 0;
2442 image()->border_color.blue = 0;
2443 image()->border_color.opacity = OpaqueOpacity;
2446 options()->borderColor( color_ );
2448 Magick::Color Magick::Image::borderColor ( void ) const
2450 return constOptions()->borderColor( );
2453 // Return smallest bounding box enclosing non-border pixels. The
2454 // current fuzz value is used when discriminating between pixels.
2455 // This is the crop bounding box used by crop(Geometry(0,0));
2456 Magick::Geometry Magick::Image::boundingBox ( void ) const
2458 ExceptionInfo exceptionInfo;
2459 GetExceptionInfo( &exceptionInfo );
2460 RectangleInfo bbox = GetImageBoundingBox( constImage(), &exceptionInfo);
2461 throwException( exceptionInfo );
2462 (void) DestroyExceptionInfo( &exceptionInfo );
2463 return Geometry( bbox );
2466 // Text bounding-box base color
2467 void Magick::Image::boxColor ( const Color &boxColor_ )
2470 options()->boxColor( boxColor_ );
2472 Magick::Color Magick::Image::boxColor ( void ) const
2474 return constOptions()->boxColor( );
2477 // Pixel cache threshold. Once this threshold is exceeded, all
2478 // subsequent pixels cache operations are to/from disk.
2479 // This setting is shared by all Image objects.
2481 void Magick::Image::cacheThreshold ( const unsigned int threshold_ )
2483 SetMagickResourceLimit( MemoryResource, threshold_ );
2486 void Magick::Image::chromaBluePrimary ( const double x_, const double y_ )
2489 image()->chromaticity.blue_primary.x = x_;
2490 image()->chromaticity.blue_primary.y = y_;
2492 void Magick::Image::chromaBluePrimary ( double *x_, double *y_ ) const
2494 *x_ = constImage()->chromaticity.blue_primary.x;
2495 *y_ = constImage()->chromaticity.blue_primary.y;
2498 void Magick::Image::chromaGreenPrimary ( const double x_, const double y_ )
2501 image()->chromaticity.green_primary.x = x_;
2502 image()->chromaticity.green_primary.y = y_;
2504 void Magick::Image::chromaGreenPrimary ( double *x_, double *y_ ) const
2506 *x_ = constImage()->chromaticity.green_primary.x;
2507 *y_ = constImage()->chromaticity.green_primary.y;
2510 void Magick::Image::chromaRedPrimary ( const double x_, const double y_ )
2513 image()->chromaticity.red_primary.x = x_;
2514 image()->chromaticity.red_primary.y = y_;
2516 void Magick::Image::chromaRedPrimary ( double *x_, double *y_ ) const
2518 *x_ = constImage()->chromaticity.red_primary.x;
2519 *y_ = constImage()->chromaticity.red_primary.y;
2522 void Magick::Image::chromaWhitePoint ( const double x_, const double y_ )
2525 image()->chromaticity.white_point.x = x_;
2526 image()->chromaticity.white_point.y = y_;
2528 void Magick::Image::chromaWhitePoint ( double *x_, double *y_ ) const
2530 *x_ = constImage()->chromaticity.white_point.x;
2531 *y_ = constImage()->chromaticity.white_point.y;
2534 // Set image storage class
2535 void Magick::Image::classType ( const ClassType class_ )
2537 if ( classType() == PseudoClass && class_ == DirectClass )
2539 // Use SyncImage to synchronize the DirectClass pixels with the
2540 // color map and then set to DirectClass type.
2542 SyncImage( image() );
2543 image()->colormap = (PixelPacket *)
2544 RelinquishMagickMemory( image()->colormap );
2545 image()->storage_class = static_cast<MagickCore::ClassType>(DirectClass);
2549 if ( classType() == DirectClass && class_ == PseudoClass )
2551 // Quantize to create PseudoClass color map
2553 quantizeColors((unsigned long) QuantumRange + 1);
2555 image()->storage_class = static_cast<MagickCore::ClassType>(PseudoClass);
2559 // Associate a clip mask with the image. The clip mask must be the
2560 // same dimensions as the image. Pass an invalid image to unset an
2561 // existing clip mask.
2562 void Magick::Image::clipMask ( const Magick::Image & clipMask_ )
2566 if( clipMask_.isValid() )
2569 SetImageClipMask( image(), clipMask_.constImage() );
2573 // Unset existing clip mask
2574 SetImageClipMask( image(), 0 );
2577 Magick::Image Magick::Image::clipMask ( void ) const
2579 ExceptionInfo exceptionInfo;
2580 GetExceptionInfo( &exceptionInfo );
2581 MagickCore::Image* image =
2582 GetImageClipMask( constImage(), &exceptionInfo );
2583 throwException( exceptionInfo );
2584 (void) DestroyExceptionInfo( &exceptionInfo );
2585 return Magick::Image( image );
2588 void Magick::Image::colorFuzz ( const double fuzz_ )
2591 image()->fuzz = fuzz_;
2592 options()->colorFuzz( fuzz_ );
2594 double Magick::Image::colorFuzz ( void ) const
2596 return constOptions()->colorFuzz( );
2599 // Set color in colormap at index
2600 void Magick::Image::colorMap ( const unsigned int index_,
2601 const Color &color_ )
2603 MagickCore::Image* imageptr = image();
2605 if (index_ > (MaxColormapSize-1) )
2606 throwExceptionExplicit( OptionError,
2607 "Colormap index must be less than MaxColormapSize" );
2609 if ( !color_.isValid() )
2610 throwExceptionExplicit( OptionError,
2611 "Color argument is invalid");
2614 // Ensure that colormap size is large enough
2615 if ( colorMapSize() < (index_+1) )
2616 colorMapSize( index_ + 1 );
2618 // Set color at index in colormap
2619 (imageptr->colormap)[index_] = color_;
2621 // Return color in colormap at index
2622 Magick::Color Magick::Image::colorMap ( const unsigned int index_ ) const
2624 const MagickCore::Image* imageptr = constImage();
2626 if ( !imageptr->colormap )
2627 throwExceptionExplicit( OptionError,
2628 "Image does not contain a colormap");
2630 if ( index_ > imageptr->colors-1 )
2631 throwExceptionExplicit( OptionError,
2632 "Index out of range");
2634 return Magick::Color( (imageptr->colormap)[index_] );
2637 // Colormap size (number of colormap entries)
2638 void Magick::Image::colorMapSize ( const unsigned int entries_ )
2640 if (entries_ >MaxColormapSize )
2641 throwExceptionExplicit( OptionError,
2642 "Colormap entries must not exceed MaxColormapSize" );
2646 MagickCore::Image* imageptr = image();
2648 if( !imageptr->colormap )
2650 // Allocate colormap
2651 imageptr->colormap =
2652 static_cast<PixelPacket*>(AcquireMagickMemory(entries_*sizeof(PixelPacket)));
2653 imageptr->colors = 0;
2655 else if ( entries_ > imageptr->colors )
2657 // Re-allocate colormap
2658 imageptr->colormap=(PixelPacket *)
2659 ResizeMagickMemory(imageptr->colormap,(entries_)*sizeof(PixelPacket));
2662 // Initialize any new colormap entries as all black
2664 for( unsigned int i=imageptr->colors; i<(entries_-1); i++ )
2665 (imageptr->colormap)[i] = black;
2667 imageptr->colors = entries_;
2669 unsigned int Magick::Image::colorMapSize ( void )
2671 const MagickCore::Image* imageptr = constImage();
2673 if ( !imageptr->colormap )
2674 throwExceptionExplicit( OptionError,
2675 "Image does not contain a colormap");
2677 return imageptr->colors;
2681 void Magick::Image::colorSpace( const ColorspaceType colorSpace_ )
2684 if ( image()->colorspace == colorSpace_ )
2689 if ( colorSpace_ != RGBColorspace &&
2690 colorSpace_ != TransparentColorspace &&
2691 colorSpace_ != GRAYColorspace )
2693 if (image()->colorspace != RGBColorspace &&
2694 image()->colorspace != TransparentColorspace &&
2695 image()->colorspace != GRAYColorspace)
2697 /* Transform to RGB colorspace as intermediate step */
2698 TransformRGBImage( image(), image()->colorspace );
2699 throwImageException();
2701 /* Transform to final non-RGB colorspace */
2702 RGBTransformImage( image(), colorSpace_ );
2703 throwImageException();
2707 if ( colorSpace_ == RGBColorspace ||
2708 colorSpace_ == TransparentColorspace ||
2709 colorSpace_ == GRAYColorspace )
2711 /* Transform to a RGB-type colorspace */
2712 TransformRGBImage( image(), image()->colorspace );
2713 throwImageException();
2717 Magick::ColorspaceType Magick::Image::colorSpace ( void ) const
2719 return constImage()->colorspace;
2722 // Set image colorspace type.
2723 void Magick::Image::colorspaceType( const ColorspaceType colorSpace_ )
2726 options()->colorspaceType( colorSpace_ );
2728 Magick::ColorspaceType Magick::Image::colorspaceType ( void ) const
2730 return constOptions()->colorspaceType();
2735 void Magick::Image::comment ( const std::string &comment_ )
2738 SetImageProperty( image(), "Comment", NULL );
2739 if ( comment_.length() > 0 )
2740 SetImageProperty( image(), "Comment", comment_.c_str() );
2741 throwImageException();
2743 std::string Magick::Image::comment ( void ) const
2745 const char *value = GetImageProperty( constImage(), "Comment" );
2748 return std::string( value );
2750 return std::string(); // Intentionally no exception
2753 // Composition operator to be used when composition is implicitly used
2754 // (such as for image flattening).
2755 void Magick::Image::compose (const CompositeOperator compose_)
2757 image()->compose=compose_;
2760 Magick::CompositeOperator Magick::Image::compose ( void ) const
2762 return constImage()->compose;
2765 // Compression algorithm
2766 void Magick::Image::compressType ( const CompressionType compressType_ )
2769 image()->compression = compressType_;
2770 options()->compressType( compressType_ );
2772 Magick::CompressionType Magick::Image::compressType ( void ) const
2774 return constImage()->compression;
2777 // Enable printing of debug messages from ImageMagick
2778 void Magick::Image::debug ( const bool flag_ )
2781 options()->debug( flag_ );
2783 bool Magick::Image::debug ( void ) const
2785 return constOptions()->debug();
2788 // Tagged image format define (set/access coder-specific option) The
2789 // magick_ option specifies the coder the define applies to. The key_
2790 // option provides the key specific to that coder. The value_ option
2791 // provides the value to set (if any). See the defineSet() method if the
2792 // key must be removed entirely.
2793 void Magick::Image::defineValue ( const std::string &magick_,
2794 const std::string &key_,
2795 const std::string &value_ )
2798 std::string format = magick_ + ":" + key_;
2799 std::string option = value_;
2800 (void) SetImageOption ( imageInfo(), format.c_str(), option.c_str() );
2802 std::string Magick::Image::defineValue ( const std::string &magick_,
2803 const std::string &key_ ) const
2805 std::string definition = magick_ + ":" + key_;
2806 const char *option =
2807 GetImageOption ( constImageInfo(), definition.c_str() );
2809 return std::string( option );
2810 return std::string( );
2813 // Tagged image format define. Similar to the defineValue() method
2814 // except that passing the flag_ value 'true' creates a value-less
2815 // define with that format and key. Passing the flag_ value 'false'
2816 // removes any existing matching definition. The method returns 'true'
2817 // if a matching key exists, and 'false' if no matching key exists.
2818 void Magick::Image::defineSet ( const std::string &magick_,
2819 const std::string &key_,
2823 std::string definition = magick_ + ":" + key_;
2826 (void) SetImageOption ( imageInfo(), definition.c_str(), "" );
2830 DeleteImageOption( imageInfo(), definition.c_str() );
2833 bool Magick::Image::defineSet ( const std::string &magick_,
2834 const std::string &key_ ) const
2836 std::string key = magick_ + ":" + key_;
2837 const char *option =
2838 GetImageOption ( constImageInfo(), key.c_str() );
2845 void Magick::Image::density ( const Geometry &density_ )
2848 options()->density( density_ );
2849 if ( density_.isValid() )
2851 image()->x_resolution = density_.width();
2852 if ( density_.height() != 0 )
2854 image()->y_resolution = density_.height();
2858 image()->y_resolution = density_.width();
2864 image()->x_resolution = 0;
2865 image()->y_resolution = 0;
2868 Magick::Geometry Magick::Image::density ( void ) const
2872 unsigned int x_resolution=72;
2873 unsigned int y_resolution=72;
2875 if (constImage()->x_resolution > 0.0)
2876 x_resolution=static_cast<unsigned int>(constImage()->x_resolution + 0.5);
2878 if (constImage()->y_resolution > 0.0)
2879 y_resolution=static_cast<unsigned int>(constImage()->y_resolution + 0.5);
2881 return Geometry(x_resolution,y_resolution);
2884 return constOptions()->density( );
2887 // Image depth (bits allocated to red/green/blue components)
2888 void Magick::Image::depth ( const unsigned int depth_ )
2890 unsigned int depth = depth_;
2892 if (depth > MAGICKCORE_QUANTUM_DEPTH)
2893 depth=MAGICKCORE_QUANTUM_DEPTH;
2896 image()->depth=depth;
2897 options()->depth( depth );
2899 unsigned int Magick::Image::depth ( void ) const
2901 return constImage()->depth;
2904 std::string Magick::Image::directory ( void ) const
2906 if ( constImage()->directory )
2907 return std::string( constImage()->directory );
2909 throwExceptionExplicit( CorruptImageWarning,
2910 "Image does not contain a directory");
2912 return std::string();
2915 // Endianness (little like Intel or big like SPARC) for image
2916 // formats which support endian-specific options.
2917 void Magick::Image::endian ( const Magick::EndianType endian_ )
2920 options()->endian( endian_ );
2921 image()->endian = endian_;
2923 Magick::EndianType Magick::Image::endian ( void ) const
2925 return constImage()->endian;
2928 // EXIF profile (BLOB)
2929 void Magick::Image::exifProfile( const Magick::Blob &exifProfile_ )
2932 if ( exifProfile_.data() != 0 )
2934 StringInfo * exif_profile = AcquireStringInfo( exifProfile_.length() );
2935 SetStringInfoDatum(exif_profile ,(unsigned char *) exifProfile_.data());
2936 (void) SetImageProfile( image(), "exif", exif_profile);
2937 exif_profile =DestroyStringInfo( exif_profile );
2940 Magick::Blob Magick::Image::exifProfile( void ) const
2942 const StringInfo * exif_profile = GetImageProfile( constImage(), "exif" );
2943 if ( exif_profile == (StringInfo *) NULL)
2944 return Blob( 0, 0 );
2945 return Blob(GetStringInfoDatum(exif_profile),GetStringInfoLength(exif_profile));
2949 void Magick::Image::fileName ( const std::string &fileName_ )
2953 fileName_.copy( image()->filename,
2954 sizeof(image()->filename) - 1 );
2955 image()->filename[ fileName_.length() ] = 0; // Null terminate
2957 options()->fileName( fileName_ );
2960 std::string Magick::Image::fileName ( void ) const
2962 return constOptions()->fileName( );
2966 off_t Magick::Image::fileSize ( void ) const
2968 return (off_t) GetBlobSize( constImage() );
2971 // Color to use when drawing inside an object
2972 void Magick::Image::fillColor ( const Magick::Color &fillColor_ )
2975 options()->fillColor(fillColor_);
2977 Magick::Color Magick::Image::fillColor ( void ) const
2979 return constOptions()->fillColor();
2982 // Rule to use when filling drawn objects
2983 void Magick::Image::fillRule ( const Magick::FillRule &fillRule_ )
2986 options()->fillRule(fillRule_);
2988 Magick::FillRule Magick::Image::fillRule ( void ) const
2990 return constOptions()->fillRule();
2993 // Pattern to use while filling drawn objects.
2994 void Magick::Image::fillPattern ( const Image &fillPattern_ )
2997 if(fillPattern_.isValid())
2998 options()->fillPattern( fillPattern_.constImage() );
3000 options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
3002 Magick::Image Magick::Image::fillPattern ( void ) const
3004 // FIXME: This is inordinately innefficient
3007 const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
3011 ExceptionInfo exceptionInfo;
3012 GetExceptionInfo( &exceptionInfo );
3013 MagickCore::Image* image =
3014 CloneImage( tmpTexture,
3017 MagickTrue, // orphan
3019 texture.replaceImage( image );
3020 throwException( exceptionInfo );
3021 (void) DestroyExceptionInfo( &exceptionInfo );
3026 // Filter used by zoom
3027 void Magick::Image::filterType ( const Magick::FilterTypes filterType_ )
3030 image()->filter = filterType_;
3032 Magick::FilterTypes Magick::Image::filterType ( void ) const
3034 return constImage()->filter;
3038 void Magick::Image::font ( const std::string &font_ )
3041 options()->font( font_ );
3043 std::string Magick::Image::font ( void ) const
3045 return constOptions()->font( );
3049 void Magick::Image::fontPointsize ( const double pointSize_ )
3052 options()->fontPointsize( pointSize_ );
3054 double Magick::Image::fontPointsize ( void ) const
3056 return constOptions()->fontPointsize( );
3059 // Font type metrics
3060 void Magick::Image::fontTypeMetrics( const std::string &text_,
3061 TypeMetric *metrics )
3063 DrawInfo *drawInfo = options()->drawInfo();
3064 drawInfo->text = const_cast<char *>(text_.c_str());
3065 GetTypeMetrics( image(), drawInfo, &(metrics->_typeMetric) );
3069 // Image format string
3070 std::string Magick::Image::format ( void ) const
3072 ExceptionInfo exceptionInfo;
3073 GetExceptionInfo( &exceptionInfo );
3074 const MagickInfo * magick_info
3075 = GetMagickInfo( constImage()->magick, &exceptionInfo);
3076 throwException( exceptionInfo );
3077 (void) DestroyExceptionInfo( &exceptionInfo );
3079 if (( magick_info != 0 ) &&
3080 ( *magick_info->description != '\0' ))
3081 return std::string(magick_info->description);
3083 throwExceptionExplicit( CorruptImageWarning,
3084 "Unrecognized image magick type" );
3085 return std::string();
3089 double Magick::Image::gamma ( void ) const
3091 return constImage()->gamma;
3094 Magick::Geometry Magick::Image::geometry ( void ) const
3096 if ( constImage()->geometry )
3098 return Geometry(constImage()->geometry);
3101 throwExceptionExplicit( OptionWarning,
3102 "Image does not contain a geometry");
3107 void Magick::Image::gifDisposeMethod ( const unsigned int disposeMethod_ )
3110 image()->dispose = (DisposeType) disposeMethod_;
3112 unsigned int Magick::Image::gifDisposeMethod ( void ) const
3114 // FIXME: It would be better to return an enumeration
3115 return constImage()->dispose;
3118 // ICC ICM color profile (BLOB)
3119 void Magick::Image::iccColorProfile( const Magick::Blob &colorProfile_ )
3121 profile("icm",colorProfile_);
3123 Magick::Blob Magick::Image::iccColorProfile( void ) const
3125 const StringInfo * color_profile = GetImageProfile( constImage(), "icc" );
3126 if ( color_profile == (StringInfo *) NULL)
3127 return Blob( 0, 0 );
3128 return Blob( GetStringInfoDatum(color_profile), GetStringInfoLength(color_profile) );
3131 void Magick::Image::interlaceType ( const Magick::InterlaceType interlace_ )
3134 image()->interlace = interlace_;
3135 options()->interlaceType ( interlace_ );
3137 Magick::InterlaceType Magick::Image::interlaceType ( void ) const
3139 return constImage()->interlace;
3142 // IPTC profile (BLOB)
3143 void Magick::Image::iptcProfile( const Magick::Blob &iptcProfile_ )
3146 if ( iptcProfile_.data() != 0 )
3148 StringInfo * iptc_profile = AcquireStringInfo( iptcProfile_.length() );
3149 SetStringInfoDatum(iptc_profile ,(unsigned char *) iptcProfile_.data());
3150 (void) SetImageProfile( image(), "iptc", iptc_profile);
3151 iptc_profile =DestroyStringInfo( iptc_profile );
3154 Magick::Blob Magick::Image::iptcProfile( void ) const
3156 const StringInfo * iptc_profile = GetImageProfile( constImage(), "iptc" );
3157 if ( iptc_profile == (StringInfo *) NULL)
3158 return Blob( 0, 0 );
3159 return Blob( GetStringInfoDatum(iptc_profile), GetStringInfoLength(iptc_profile));
3162 // Does object contain valid image?
3163 void Magick::Image::isValid ( const bool isValid_ )
3168 _imgRef = new ImageRef;
3170 else if ( !isValid() )
3172 // Construct with single-pixel black image to make
3173 // image valid. This is an obvious hack.
3174 size( Geometry(1,1) );
3175 read( "xc:#000000" );
3179 bool Magick::Image::isValid ( void ) const
3181 if ( rows() && columns() )
3188 void Magick::Image::label ( const std::string &label_ )
3191 SetImageProperty ( image(), "Label", NULL );
3192 if ( label_.length() > 0 )
3193 SetImageProperty ( image(), "Label", label_.c_str() );
3194 throwImageException();
3196 std::string Magick::Image::label ( void ) const
3198 const char *value = GetImageProperty( constImage(), "Label" );
3201 return std::string( value );
3203 return std::string();
3206 void Magick::Image::magick ( const std::string &magick_ )
3210 magick_.copy( image()->magick,
3211 sizeof(image()->magick) - 1 );
3212 image()->magick[ magick_.length() ] = 0;
3214 options()->magick( magick_ );
3216 std::string Magick::Image::magick ( void ) const
3218 if ( *(constImage()->magick) != '\0' )
3219 return std::string(constImage()->magick);
3221 return constOptions()->magick( );
3224 void Magick::Image::matte ( const bool matteFlag_ )
3228 // If matte channel is requested, but image doesn't already have a
3229 // matte channel, then create an opaque matte channel. Likewise, if
3230 // the image already has a matte channel but a matte channel is not
3231 // desired, then set the matte channel to opaque.
3232 if ((matteFlag_ && !constImage()->matte) ||
3233 (constImage()->matte && !matteFlag_))
3234 SetImageOpacity(image(),OpaqueOpacity);
3236 image()->matte = (MagickBooleanType) matteFlag_;
3238 bool Magick::Image::matte ( void ) const
3240 if ( constImage()->matte )
3246 void Magick::Image::matteColor ( const Color &matteColor_ )
3250 if ( matteColor_.isValid() )
3252 image()->matte_color.red = matteColor_.redQuantum();
3253 image()->matte_color.green = matteColor_.greenQuantum();
3254 image()->matte_color.blue = matteColor_.blueQuantum();
3255 image()->matte_color.opacity = matteColor_.alphaQuantum();
3257 options()->matteColor( matteColor_ );
3261 // Set to default matte color
3262 Color tmpColor( "#BDBDBD" );
3263 image()->matte_color.red = tmpColor.redQuantum();
3264 image()->matte_color.green = tmpColor.greenQuantum();
3265 image()->matte_color.blue = tmpColor.blueQuantum();
3266 image()->matte_color.opacity = tmpColor.alphaQuantum();
3268 options()->matteColor( tmpColor );
3271 Magick::Color Magick::Image::matteColor ( void ) const
3273 return Color( constImage()->matte_color.red,
3274 constImage()->matte_color.green,
3275 constImage()->matte_color.blue,
3276 constImage()->matte_color.opacity );
3279 double Magick::Image::meanErrorPerPixel ( void ) const
3281 return(constImage()->error.mean_error_per_pixel);
3284 // Image modulus depth (minimum number of bits required to support
3285 // red/green/blue components without loss of accuracy)
3286 void Magick::Image::modulusDepth ( const unsigned int depth_ )
3289 SetImageDepth( image(), depth_ );
3290 options()->depth( depth_ );
3292 unsigned int Magick::Image::modulusDepth ( void ) const
3294 ExceptionInfo exceptionInfo;
3295 GetExceptionInfo( &exceptionInfo );
3296 unsigned int depth=GetImageDepth( constImage(), &exceptionInfo );
3297 throwException( exceptionInfo );
3298 (void) DestroyExceptionInfo( &exceptionInfo );
3302 void Magick::Image::monochrome ( const bool monochromeFlag_ )
3305 options()->monochrome( monochromeFlag_ );
3307 bool Magick::Image::monochrome ( void ) const
3309 return constOptions()->monochrome( );
3312 Magick::Geometry Magick::Image::montageGeometry ( void ) const
3314 if ( constImage()->montage )
3315 return Magick::Geometry(constImage()->montage);
3317 throwExceptionExplicit( CorruptImageWarning,
3318 "Image does not contain a montage" );
3320 return Magick::Geometry();
3323 double Magick::Image::normalizedMaxError ( void ) const
3325 return(constImage()->error.normalized_maximum_error);
3328 double Magick::Image::normalizedMeanError ( void ) const
3330 return constImage()->error.normalized_mean_error;
3333 // Image orientation
3334 void Magick::Image::orientation ( const Magick::OrientationType orientation_ )
3337 image()->orientation = orientation_;
3339 Magick::OrientationType Magick::Image::orientation ( void ) const
3341 return constImage()->orientation;
3344 void Magick::Image::penColor ( const Color &penColor_ )
3347 options()->fillColor(penColor_);
3348 options()->strokeColor(penColor_);
3350 Magick::Color Magick::Image::penColor ( void ) const
3352 return constOptions()->fillColor();
3355 void Magick::Image::penTexture ( const Image &penTexture_ )
3358 if(penTexture_.isValid())
3359 options()->fillPattern( penTexture_.constImage() );
3361 options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
3364 Magick::Image Magick::Image::penTexture ( void ) const
3366 // FIXME: This is inordinately innefficient
3369 const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
3373 ExceptionInfo exceptionInfo;
3374 GetExceptionInfo( &exceptionInfo );
3375 MagickCore::Image* image =
3376 CloneImage( tmpTexture,
3379 MagickTrue, // orphan
3381 texture.replaceImage( image );
3382 throwException( exceptionInfo );
3383 (void) DestroyExceptionInfo( &exceptionInfo );
3388 // Set the color of a pixel.
3389 void Magick::Image::pixelColor ( const unsigned int x_, const unsigned int y_,
3390 const Color &color_ )
3392 // Test arguments to ensure they are within the image.
3393 if ( y_ > rows() || x_ > columns() )
3394 throwExceptionExplicit( OptionError,
3395 "Access outside of image boundary" );
3399 // Set image to DirectClass
3400 classType( DirectClass );
3403 Pixels pixels(*this);
3405 *(pixels.get(x_, y_, 1, 1 )) = color_;
3406 // Tell ImageMagick that pixels have been updated
3412 // Get the color of a pixel
3413 Magick::Color Magick::Image::pixelColor ( const unsigned int x_,
3414 const unsigned int y_ ) const
3416 ClassType storage_class;
3417 storage_class = classType();
3419 const PixelPacket* pixel = getConstPixels( x_, y_, 1, 1 );
3420 if ( storage_class == DirectClass )
3423 return Color( *pixel );
3427 if ( storage_class == PseudoClass )
3429 const IndexPacket* indexes = getConstIndexes();
3431 return colorMap( (unsigned long) *indexes );
3434 return Color(); // invalid
3437 // Preferred size and location of an image canvas.
3438 void Magick::Image::page ( const Magick::Geometry &pageSize_ )
3441 options()->page( pageSize_ );
3442 image()->page = pageSize_;
3444 Magick::Geometry Magick::Image::page ( void ) const
3446 return Geometry( constImage()->page.width,
3447 constImage()->page.height,
3448 AbsoluteValue(constImage()->page.x),
3449 AbsoluteValue(constImage()->page.y),
3450 constImage()->page.x < 0 ? true : false,
3451 constImage()->page.y < 0 ? true : false);
3454 // Add a named profile to an image or remove a named profile by
3455 // passing an empty Blob (use default Blob constructor).
3457 // "*", "8BIM", "ICM", "IPTC", or a generic profile name.
3458 void Magick::Image::profile( const std::string name_,
3459 const Magick::Blob &profile_ )
3462 int result = ProfileImage( image(), name_.c_str(),
3463 (unsigned char *)profile_.data(),
3464 profile_.length(), MagickTrue);
3467 throwImageException();
3470 // Retrieve a named profile from the image.
3472 // "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC" or
3473 // an existing generic profile name.
3474 Magick::Blob Magick::Image::profile( const std::string name_ ) const
3476 const MagickCore::Image* image = constImage();
3478 const StringInfo * profile = GetImageProfile( image, name_.c_str() );
3480 if ( profile != (StringInfo *) NULL)
3481 return Blob( (void*) GetStringInfoDatum(profile), GetStringInfoLength(profile));
3484 Image temp_image = *this;
3485 temp_image.write( &blob, name_ );
3489 void Magick::Image::quality ( const unsigned int quality_ )
3492 image()->quality = quality_;
3493 options()->quality( quality_ );
3495 unsigned int Magick::Image::quality ( void ) const
3497 return constImage()->quality;
3500 void Magick::Image::quantizeColors ( const unsigned int colors_ )
3503 options()->quantizeColors( colors_ );
3505 unsigned int Magick::Image::quantizeColors ( void ) const
3507 return constOptions()->quantizeColors( );
3510 void Magick::Image::quantizeColorSpace
3511 ( const Magick::ColorspaceType colorSpace_ )
3514 options()->quantizeColorSpace( colorSpace_ );
3516 Magick::ColorspaceType Magick::Image::quantizeColorSpace ( void ) const
3518 return constOptions()->quantizeColorSpace( );
3521 void Magick::Image::quantizeDither ( const bool ditherFlag_ )
3524 options()->quantizeDither( ditherFlag_ );
3526 bool Magick::Image::quantizeDither ( void ) const
3528 return constOptions()->quantizeDither( );
3531 void Magick::Image::quantizeTreeDepth ( const unsigned int treeDepth_ )
3534 options()->quantizeTreeDepth( treeDepth_ );
3536 unsigned int Magick::Image::quantizeTreeDepth ( void ) const
3538 return constOptions()->quantizeTreeDepth( );
3541 void Magick::Image::renderingIntent
3542 ( const Magick::RenderingIntent renderingIntent_ )
3545 image()->rendering_intent = renderingIntent_;
3547 Magick::RenderingIntent Magick::Image::renderingIntent ( void ) const
3549 return static_cast<Magick::RenderingIntent>(constImage()->rendering_intent);
3552 void Magick::Image::resolutionUnits
3553 ( const Magick::ResolutionType resolutionUnits_ )
3556 image()->units = resolutionUnits_;
3557 options()->resolutionUnits( resolutionUnits_ );
3559 Magick::ResolutionType Magick::Image::resolutionUnits ( void ) const
3561 return constOptions()->resolutionUnits( );
3564 void Magick::Image::scene ( const unsigned int scene_ )
3567 image()->scene = scene_;
3569 unsigned int Magick::Image::scene ( void ) const
3571 return constImage()->scene;
3574 std::string Magick::Image::signature ( const bool force_ ) const
3576 Lock( &_imgRef->_mutexLock );
3578 // Re-calculate image signature if necessary
3580 !GetImageProperty(constImage(), "Signature") ||
3581 constImage()->taint )
3583 SignatureImage( const_cast<MagickCore::Image *>(constImage()) );
3586 const char *property = GetImageProperty(constImage(), "Signature");
3588 return std::string( property );
3591 void Magick::Image::size ( const Geometry &geometry_ )
3594 options()->size( geometry_ );
3595 image()->rows = geometry_.height();
3596 image()->columns = geometry_.width();
3598 Magick::Geometry Magick::Image::size ( void ) const
3600 return Magick::Geometry( constImage()->columns, constImage()->rows );
3604 void Magick::Image::splice( const Geometry &geometry_ )
3606 RectangleInfo spliceInfo = geometry_;
3607 ExceptionInfo exceptionInfo;
3608 GetExceptionInfo( &exceptionInfo );
3609 MagickCore::Image* newImage =
3610 SpliceImage( image(), &spliceInfo, &exceptionInfo);
3611 replaceImage( newImage );
3612 throwException( exceptionInfo );
3613 (void) DestroyExceptionInfo( &exceptionInfo );
3616 // Obtain image statistics. Statistics are normalized to the range of
3617 // 0.0 to 1.0 and are output to the specified ImageStatistics
3619 void Magick::Image::statistics ( ImageStatistics *statistics ) const
3625 ExceptionInfo exceptionInfo;
3626 GetExceptionInfo( &exceptionInfo );
3627 (void) GetImageChannelRange(constImage(),RedChannel,&minimum,&maximum,
3629 statistics->red.minimum=minimum;
3630 statistics->red.maximum=maximum;
3631 (void) GetImageChannelMean(constImage(),RedChannel,
3632 &statistics->red.mean,&statistics->red.standard_deviation,&exceptionInfo);
3633 (void) GetImageChannelKurtosis(constImage(),RedChannel,
3634 &statistics->red.kurtosis,&statistics->red.skewness,&exceptionInfo);
3635 (void) GetImageChannelRange(constImage(),GreenChannel,&minimum,&maximum,
3637 statistics->green.minimum=minimum;
3638 statistics->green.maximum=maximum;
3639 (void) GetImageChannelMean(constImage(),GreenChannel,
3640 &statistics->green.mean,&statistics->green.standard_deviation,
3642 (void) GetImageChannelKurtosis(constImage(),GreenChannel,
3643 &statistics->green.kurtosis,&statistics->green.skewness,&exceptionInfo);
3644 (void) GetImageChannelRange(constImage(),BlueChannel,&minimum,&maximum,
3646 statistics->blue.minimum=minimum;
3647 statistics->blue.maximum=maximum;
3648 (void) GetImageChannelMean(constImage(),BlueChannel,
3649 &statistics->blue.mean,&statistics->blue.standard_deviation,&exceptionInfo);
3650 (void) GetImageChannelKurtosis(constImage(),BlueChannel,
3651 &statistics->blue.kurtosis,&statistics->blue.skewness,&exceptionInfo);
3652 (void) GetImageChannelRange(constImage(),OpacityChannel,&minimum,&maximum,
3654 statistics->opacity.minimum=minimum;
3655 statistics->opacity.maximum=maximum;
3656 (void) GetImageChannelMean(constImage(),OpacityChannel,
3657 &statistics->opacity.mean,&statistics->opacity.standard_deviation,
3659 (void) GetImageChannelKurtosis(constImage(),OpacityChannel,
3660 &statistics->opacity.kurtosis,&statistics->opacity.skewness,&exceptionInfo);
3661 throwException( exceptionInfo );
3662 (void) DestroyExceptionInfo( &exceptionInfo );
3665 // enabled/disable stroke anti-aliasing
3666 void Magick::Image::strokeAntiAlias ( const bool flag_ )
3669 options()->strokeAntiAlias(flag_);
3671 bool Magick::Image::strokeAntiAlias ( void ) const
3673 return constOptions()->strokeAntiAlias();
3676 // Color to use when drawing object outlines
3677 void Magick::Image::strokeColor ( const Magick::Color &strokeColor_ )
3680 options()->strokeColor(strokeColor_);
3682 Magick::Color Magick::Image::strokeColor ( void ) const
3684 return constOptions()->strokeColor();
3687 // dash pattern for drawing vector objects (default one)
3688 void Magick::Image::strokeDashArray ( const double* strokeDashArray_ )
3691 options()->strokeDashArray( strokeDashArray_ );
3694 const double* Magick::Image::strokeDashArray ( void ) const
3696 return constOptions()->strokeDashArray( );
3699 // dash offset for drawing vector objects (default one)
3700 void Magick::Image::strokeDashOffset ( const double strokeDashOffset_ )
3703 options()->strokeDashOffset( strokeDashOffset_ );
3706 double Magick::Image::strokeDashOffset ( void ) const
3708 return constOptions()->strokeDashOffset( );
3711 // Specify the shape to be used at the end of open subpaths when they
3712 // are stroked. Values of LineCap are UndefinedCap, ButtCap, RoundCap,
3714 void Magick::Image::strokeLineCap ( const Magick::LineCap lineCap_ )
3717 options()->strokeLineCap( lineCap_ );
3719 Magick::LineCap Magick::Image::strokeLineCap ( void ) const
3721 return constOptions()->strokeLineCap( );
3724 // Specify the shape to be used at the corners of paths (or other
3725 // vector shapes) when they are stroked. Values of LineJoin are
3726 // UndefinedJoin, MiterJoin, RoundJoin, and BevelJoin.
3727 void Magick::Image::strokeLineJoin ( const Magick::LineJoin lineJoin_ )
3730 options()->strokeLineJoin( lineJoin_ );
3732 Magick::LineJoin Magick::Image::strokeLineJoin ( void ) const
3734 return constOptions()->strokeLineJoin( );
3737 // Specify miter limit. When two line segments meet at a sharp angle
3738 // and miter joins have been specified for 'lineJoin', it is possible
3739 // for the miter to extend far beyond the thickness of the line
3740 // stroking the path. The miterLimit' imposes a limit on the ratio of
3741 // the miter length to the 'lineWidth'. The default value of this
3743 void Magick::Image::strokeMiterLimit ( const unsigned int strokeMiterLimit_ )
3746 options()->strokeMiterLimit( strokeMiterLimit_ );
3748 unsigned int Magick::Image::strokeMiterLimit ( void ) const
3750 return constOptions()->strokeMiterLimit( );
3753 // Pattern to use while stroking drawn objects.
3754 void Magick::Image::strokePattern ( const Image &strokePattern_ )
3757 if(strokePattern_.isValid())
3758 options()->strokePattern( strokePattern_.constImage() );
3760 options()->strokePattern( static_cast<MagickCore::Image*>(NULL) );
3762 Magick::Image Magick::Image::strokePattern ( void ) const
3764 // FIXME: This is inordinately innefficient
3767 const MagickCore::Image* tmpTexture = constOptions()->strokePattern( );
3771 ExceptionInfo exceptionInfo;
3772 GetExceptionInfo( &exceptionInfo );
3773 MagickCore::Image* image =
3774 CloneImage( tmpTexture,
3777 MagickTrue, // orphan
3779 throwException( exceptionInfo );
3780 (void) DestroyExceptionInfo( &exceptionInfo );
3781 texture.replaceImage( image );
3786 // Stroke width for drawing lines, circles, ellipses, etc.
3787 void Magick::Image::strokeWidth ( const double strokeWidth_ )
3790 options()->strokeWidth( strokeWidth_ );
3792 double Magick::Image::strokeWidth ( void ) const
3794 return constOptions()->strokeWidth( );
3797 void Magick::Image::subImage ( const unsigned int subImage_ )
3800 options()->subImage( subImage_ );
3802 unsigned int Magick::Image::subImage ( void ) const
3804 return constOptions()->subImage( );
3807 void Magick::Image::subRange ( const unsigned int subRange_ )
3810 options()->subRange( subRange_ );
3812 unsigned int Magick::Image::subRange ( void ) const
3814 return constOptions()->subRange( );
3817 // Annotation text encoding (e.g. "UTF-16")
3818 void Magick::Image::textEncoding ( const std::string &encoding_ )
3821 options()->textEncoding( encoding_ );
3823 std::string Magick::Image::textEncoding ( void ) const
3825 return constOptions()->textEncoding( );
3828 void Magick::Image::tileName ( const std::string &tileName_ )
3831 options()->tileName( tileName_ );
3833 std::string Magick::Image::tileName ( void ) const
3835 return constOptions()->tileName( );
3838 unsigned long Magick::Image::totalColors ( void )
3840 ExceptionInfo exceptionInfo;
3841 GetExceptionInfo( &exceptionInfo );
3842 unsigned long colors = GetNumberColors( image(), 0, &exceptionInfo);
3843 throwException( exceptionInfo );
3844 (void) DestroyExceptionInfo( &exceptionInfo );
3848 // Origin of coordinate system to use when annotating with text or drawing
3849 void Magick::Image::transformOrigin ( const double x_, const double y_ )
3852 options()->transformOrigin( x_, y_ );
3855 // Rotation to use when annotating with text or drawing
3856 void Magick::Image::transformRotation ( const double angle_ )
3859 options()->transformRotation( angle_ );
3862 // Reset transformation parameters to default
3863 void Magick::Image::transformReset ( void )
3866 options()->transformReset();
3869 // Scale to use when annotating with text or drawing
3870 void Magick::Image::transformScale ( const double sx_, const double sy_ )
3873 options()->transformScale( sx_, sy_ );
3876 // Skew to use in X axis when annotating with text or drawing
3877 void Magick::Image::transformSkewX ( const double skewx_ )
3880 options()->transformSkewX( skewx_ );
3883 // Skew to use in Y axis when annotating with text or drawing
3884 void Magick::Image::transformSkewY ( const double skewy_ )
3887 options()->transformSkewY( skewy_ );
3890 // Image representation type
3891 Magick::ImageType Magick::Image::type ( void ) const
3894 ExceptionInfo exceptionInfo;
3895 GetExceptionInfo( &exceptionInfo );
3896 ImageType image_type = constOptions()->type();
3897 if ( image_type == UndefinedType )
3898 image_type= GetImageType( constImage(), &exceptionInfo);
3899 throwException( exceptionInfo );
3900 (void) DestroyExceptionInfo( &exceptionInfo );
3903 void Magick::Image::type ( const Magick::ImageType type_)
3906 options()->type( type_ );
3907 SetImageType( image(), type_ );
3910 void Magick::Image::verbose ( const bool verboseFlag_ )
3913 options()->verbose( verboseFlag_ );
3915 bool Magick::Image::verbose ( void ) const
3917 return constOptions()->verbose( );
3920 void Magick::Image::view ( const std::string &view_ )
3923 options()->view( view_ );
3925 std::string Magick::Image::view ( void ) const
3927 return constOptions()->view( );
3930 // Virtual pixel method
3931 void Magick::Image::virtualPixelMethod ( const VirtualPixelMethod virtual_pixel_method_ )
3934 SetImageVirtualPixelMethod( image(), virtual_pixel_method_ );
3935 options()->virtualPixelMethod( virtual_pixel_method_ );
3937 Magick::VirtualPixelMethod Magick::Image::virtualPixelMethod ( void ) const
3939 return GetImageVirtualPixelMethod( constImage() );
3942 void Magick::Image::x11Display ( const std::string &display_ )
3945 options()->x11Display( display_ );
3947 std::string Magick::Image::x11Display ( void ) const
3949 return constOptions()->x11Display( );
3952 double Magick::Image::xResolution ( void ) const
3954 return constImage()->x_resolution;
3956 double Magick::Image::yResolution ( void ) const
3958 return constImage()->y_resolution;
3962 Magick::Image::Image( const Image & image_ )
3963 : _imgRef(image_._imgRef)
3965 Lock( &_imgRef->_mutexLock );
3967 // Increase reference count
3968 ++_imgRef->_refCount;
3971 // Assignment operator
3972 Magick::Image& Magick::Image::operator=( const Magick::Image &image_ )
3974 if( this != &image_ )
3977 Lock( &image_._imgRef->_mutexLock );
3978 ++image_._imgRef->_refCount;
3981 bool doDelete = false;
3983 Lock( &_imgRef->_mutexLock );
3984 if ( --_imgRef->_refCount == 0 )
3990 // Delete old image reference with associated image and options.
3994 // Use new image reference
3995 _imgRef = image_._imgRef;
4001 //////////////////////////////////////////////////////////////////////
4003 // Low-level Pixel Access Routines
4005 // Also see the Pixels class, which provides support for multiple
4006 // cache views. The low-level pixel access routines in the Image
4007 // class are provided in order to support backward compatability.
4009 //////////////////////////////////////////////////////////////////////
4011 // Transfers read-only pixels from the image to the pixel cache as
4012 // defined by the specified region
4013 const Magick::PixelPacket* Magick::Image::getConstPixels
4014 ( const int x_, const int y_,
4015 const unsigned int columns_,
4016 const unsigned int rows_ ) const
4018 ExceptionInfo exceptionInfo;
4019 GetExceptionInfo( &exceptionInfo );
4020 const PixelPacket* p = (*GetVirtualPixels)( constImage(),
4024 throwException( exceptionInfo );
4025 (void) DestroyExceptionInfo( &exceptionInfo );
4029 // Obtain read-only pixel indexes (valid for PseudoClass images)
4030 const Magick::IndexPacket* Magick::Image::getConstIndexes ( void ) const
4032 const Magick::IndexPacket* result = GetVirtualIndexQueue( constImage() );
4035 throwImageException();
4040 // Obtain image pixel indexes (valid for PseudoClass images)
4041 Magick::IndexPacket* Magick::Image::getIndexes ( void )
4043 Magick::IndexPacket* result = GetAuthenticIndexQueue( image() );
4046 throwImageException();
4051 // Transfers pixels from the image to the pixel cache as defined
4052 // by the specified region. Modified pixels may be subsequently
4053 // transferred back to the image via syncPixels.
4054 Magick::PixelPacket* Magick::Image::getPixels ( const int x_, const int y_,
4055 const unsigned int columns_,
4056 const unsigned int rows_ )
4059 ExceptionInfo exceptionInfo;
4060 GetExceptionInfo( &exceptionInfo );
4061 PixelPacket* result = (*GetAuthenticPixels)( image(),
4063 columns_, rows_, &exceptionInfo );
4064 throwException( exceptionInfo );
4065 (void) DestroyExceptionInfo( &exceptionInfo );
4070 // Allocates a pixel cache region to store image pixels as defined
4071 // by the region rectangle. This area is subsequently transferred
4072 // from the pixel cache to the image via syncPixels.
4073 Magick::PixelPacket* Magick::Image::setPixels ( const int x_, const int y_,
4074 const unsigned int columns_,
4075 const unsigned int rows_ )
4078 ExceptionInfo exceptionInfo;
4079 GetExceptionInfo( &exceptionInfo );
4080 PixelPacket* result = (*QueueAuthenticPixels)( image(),
4082 columns_, rows_, &exceptionInfo );
4083 throwException( exceptionInfo );
4084 (void) DestroyExceptionInfo( &exceptionInfo );
4089 // Transfers the image cache pixels to the image.
4090 void Magick::Image::syncPixels ( void )
4092 ExceptionInfo exceptionInfo;
4093 GetExceptionInfo( &exceptionInfo );
4094 (*SyncAuthenticPixels)( image(), &exceptionInfo );
4095 throwException( exceptionInfo );
4096 (void) DestroyExceptionInfo( &exceptionInfo );
4099 // Transfers one or more pixel components from a buffer or file
4100 // into the image pixel cache of an image.
4101 // Used to support image decoders.
4102 void Magick::Image::readPixels ( const Magick::QuantumType quantum_,
4103 const unsigned char *source_ )
4108 quantum_info=AcquireQuantumInfo(imageInfo(),image());
4109 ExceptionInfo exceptionInfo;
4110 GetExceptionInfo( &exceptionInfo );
4111 ImportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
4112 quantum_,source_, &exceptionInfo);
4113 throwException( exceptionInfo );
4114 (void) DestroyExceptionInfo( &exceptionInfo );
4115 quantum_info=DestroyQuantumInfo(quantum_info);
4118 // Transfers one or more pixel components from the image pixel
4119 // cache to a buffer or file.
4120 // Used to support image encoders.
4121 void Magick::Image::writePixels ( const Magick::QuantumType quantum_,
4122 unsigned char *destination_ )
4127 quantum_info=AcquireQuantumInfo(imageInfo(),image());
4128 ExceptionInfo exceptionInfo;
4129 GetExceptionInfo( &exceptionInfo );
4130 ExportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
4131 quantum_,destination_, &exceptionInfo);
4132 quantum_info=DestroyQuantumInfo(quantum_info);
4133 throwException( exceptionInfo );
4134 (void) DestroyExceptionInfo( &exceptionInfo );
4137 /////////////////////////////////////////////////////////////////////
4139 // No end-user methods beyond this point
4141 /////////////////////////////////////////////////////////////////////
4145 // Construct using existing image and default options
4147 Magick::Image::Image ( MagickCore::Image* image_ )
4148 : _imgRef(new ImageRef( image_))
4152 // Get Magick::Options*
4153 Magick::Options* Magick::Image::options( void )
4155 return _imgRef->options();
4157 const Magick::Options* Magick::Image::constOptions( void ) const
4159 return _imgRef->options();
4162 // Get MagickCore::Image*
4163 MagickCore::Image*& Magick::Image::image( void )
4165 return _imgRef->image();
4167 const MagickCore::Image* Magick::Image::constImage( void ) const
4169 return _imgRef->image();
4173 MagickCore::ImageInfo* Magick::Image::imageInfo( void )
4175 return _imgRef->options()->imageInfo();
4177 const MagickCore::ImageInfo * Magick::Image::constImageInfo( void ) const
4179 return _imgRef->options()->imageInfo();
4182 // Get QuantizeInfo *
4183 MagickCore::QuantizeInfo* Magick::Image::quantizeInfo( void )
4185 return _imgRef->options()->quantizeInfo();
4187 const MagickCore::QuantizeInfo * Magick::Image::constQuantizeInfo( void ) const
4189 return _imgRef->options()->quantizeInfo();
4193 // Replace current image
4195 MagickCore::Image * Magick::Image::replaceImage
4196 ( MagickCore::Image* replacement_ )
4198 MagickCore::Image* image;
4201 image = replacement_;
4203 image = AcquireImage(constImageInfo());
4206 Lock( &_imgRef->_mutexLock );
4208 if ( _imgRef->_refCount == 1 )
4210 // We own the image, just replace it, and de-register
4212 _imgRef->image(image);
4216 // We don't own the image, dereference and replace with copy
4217 --_imgRef->_refCount;
4218 _imgRef = new ImageRef( image, constOptions() );
4222 return _imgRef->_image;
4226 // Prepare to modify image or image options
4227 // Replace current image and options with copy if reference count > 1
4229 void Magick::Image::modifyImage( void )
4232 Lock( &_imgRef->_mutexLock );
4233 if ( _imgRef->_refCount == 1 )
4235 // De-register image and return
4241 ExceptionInfo exceptionInfo;
4242 GetExceptionInfo( &exceptionInfo );
4243 replaceImage( CloneImage( image(),
4246 MagickTrue, // orphan
4248 throwException( exceptionInfo );
4249 (void) DestroyExceptionInfo( &exceptionInfo );
4254 // Test for an ImageMagick reported error and throw exception if one
4255 // has been reported. Secretly resets image->exception back to default
4256 // state even though this method is const.
4258 void Magick::Image::throwImageException( void ) const
4260 // Throw C++ exception while resetting Image exception to default state
4261 throwException( const_cast<MagickCore::Image*>(constImage())->exception );
4264 // Register image with image registry or obtain registration id
4265 long Magick::Image::registerId( void )
4267 Lock( &_imgRef->_mutexLock );
4268 if( _imgRef->id() < 0 )
4270 char id[MaxTextExtent];
4271 ExceptionInfo exceptionInfo;
4272 GetExceptionInfo( &exceptionInfo );
4273 _imgRef->id(_imgRef->id()+1);
4274 sprintf(id,"%ld\n",_imgRef->id());
4275 SetImageRegistry(ImageRegistryType, id, image(), &exceptionInfo);
4276 throwException( exceptionInfo );
4277 (void) DestroyExceptionInfo( &exceptionInfo );
4279 return _imgRef->id();
4282 // Unregister image from image registry
4283 void Magick::Image::unregisterId( void )
4290 // Create a local wrapper around MagickCoreTerminus
4295 void MagickPlusPlusDestroyMagick(void);
4299 void Magick::MagickPlusPlusDestroyMagick(void)
4301 if (magick_initialized)
4303 magick_initialized=false;
4304 MagickCore::MagickCoreTerminus();
4308 // C library initialization routine
4309 void MagickDLLDecl Magick::InitializeMagick(const char *path_)
4311 MagickCore::MagickCoreGenesis(path_,MagickFalse);
4312 if (!magick_initialized)
4313 magick_initialized=true;
4317 // Cleanup class to ensure that ImageMagick singletons are destroyed
4318 // so as to avoid any resemblence to a memory leak (which seems to
4327 MagickCleanUp( void );
4328 ~MagickCleanUp( void );
4331 // The destructor for this object is invoked when the destructors for
4332 // static objects in this translation unit are invoked.
4333 static MagickCleanUp magickCleanUpGuard;
4336 Magick::MagickCleanUp::MagickCleanUp ( void )
4338 // Don't even think about invoking InitializeMagick here!
4341 Magick::MagickCleanUp::~MagickCleanUp ( void )
4343 MagickPlusPlusDestroyMagick();