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"
20 #include "Magick++/Image.h"
21 #include "Magick++/Functions.h"
22 #include "Magick++/Pixels.h"
23 #include "Magick++/Options.h"
24 #include "Magick++/ImageRef.h"
26 #define AbsoluteValue(x) ((x) < 0 ? -(x) : (x))
27 #define DegreesToRadians(x) (MagickPI*(x)/180.0)
29 MagickPPExport const char *Magick::borderGeometryDefault = "6x6+0+0";
30 MagickPPExport const char *Magick::frameGeometryDefault = "25x25+6+6";
31 MagickPPExport const char *Magick::raiseGeometryDefault = "6x6+0+0";
33 static bool magick_initialized=false;
36 // Explicit template instantiations
40 // Friend functions to compare Image objects
43 MagickPPExport int Magick::operator == ( const Magick::Image& left_,
44 const Magick::Image& right_ )
46 // If image pixels and signature are the same, then the image is identical
47 return ( ( left_.rows() == right_.rows() ) &&
48 ( left_.columns() == right_.columns() ) &&
49 ( left_.signature() == right_.signature() )
52 MagickPPExport int Magick::operator != ( const Magick::Image& left_,
53 const Magick::Image& right_ )
55 return ( ! (left_ == right_) );
57 MagickPPExport int Magick::operator > ( const Magick::Image& left_,
58 const Magick::Image& right_ )
60 return ( !( left_ < right_ ) && ( left_ != right_ ) );
62 MagickPPExport int Magick::operator < ( const Magick::Image& left_,
63 const Magick::Image& right_ )
65 // If image pixels are less, then image is smaller
66 return ( ( left_.rows() * left_.columns() ) <
67 ( right_.rows() * right_.columns() )
70 MagickPPExport int Magick::operator >= ( const Magick::Image& left_,
71 const Magick::Image& right_ )
73 return ( ( left_ > right_ ) || ( left_ == right_ ) );
75 MagickPPExport int Magick::operator <= ( const Magick::Image& left_,
76 const Magick::Image& right_ )
78 return ( ( left_ < right_ ) || ( left_ == right_ ) );
82 // Image object implementation
85 // Construct from image file or image specification
86 Magick::Image::Image( const std::string &imageSpec_ )
87 : _imgRef(new ImageRef)
91 // Initialize, Allocate and Read images
94 catch ( const Warning & /*warning_*/ )
96 // FIXME: need a way to report warnings in constructor
98 catch ( const Error & /*error_*/ )
106 // Construct a blank image canvas of specified size and color
107 Magick::Image::Image( const Geometry &size_,
108 const Color &color_ )
109 : _imgRef(new ImageRef)
111 // xc: prefix specifies an X11 color string
112 std::string imageSpec("xc:");
120 // Initialize, Allocate and Read images
123 catch ( const Warning & /*warning_*/ )
125 // FIXME: need a way to report warnings in constructor
127 catch ( const Error & /*error_*/ )
135 // Construct Image from in-memory BLOB
136 Magick::Image::Image ( const Blob &blob_ )
137 : _imgRef(new ImageRef)
141 // Initialize, Allocate and Read images
144 catch ( const Warning & /*warning_*/ )
146 // FIXME: need a way to report warnings in constructor
148 catch ( const Error & /*error_*/ )
156 // Construct Image of specified size from in-memory BLOB
157 Magick::Image::Image ( const Blob &blob_,
158 const Geometry &size_ )
159 : _imgRef(new ImageRef)
164 read( blob_, size_ );
166 catch ( const Warning & /*warning_*/ )
168 // FIXME: need a way to report warnings in constructor
170 catch ( const Error & /*error_*/ )
178 // Construct Image of specified size and depth from in-memory BLOB
179 Magick::Image::Image ( const Blob &blob_,
180 const Geometry &size_,
181 const size_t depth_ )
182 : _imgRef(new ImageRef)
187 read( blob_, size_, depth_ );
189 catch ( const Warning & /*warning_*/ )
191 // FIXME: need a way to report warnings in constructor
193 catch ( const Error & /*error_*/ )
201 // Construct Image of specified size, depth, and format from in-memory BLOB
202 Magick::Image::Image ( const Blob &blob_,
203 const Geometry &size_,
205 const std::string &magick_ )
206 : _imgRef(new ImageRef)
211 read( blob_, size_, depth_, magick_ );
213 catch ( const Warning & /*warning_*/ )
215 // FIXME: need a way to report warnings in constructor
217 catch ( const Error & /*error_*/ )
225 // Construct Image of specified size, and format from in-memory BLOB
226 Magick::Image::Image ( const Blob &blob_,
227 const Geometry &size_,
228 const std::string &magick_ )
229 : _imgRef(new ImageRef)
234 read( blob_, size_, magick_ );
236 catch ( const Warning & /*warning_*/ )
238 // FIXME: need a way to report warnings in constructor
240 catch ( const Error & /*error_*/ )
248 // Construct an image based on an array of raw pixels, of specified
249 // type and mapping, in memory
250 Magick::Image::Image ( const size_t width_,
251 const size_t height_,
252 const std::string &map_,
253 const StorageType type_,
254 const void *pixels_ )
255 : _imgRef(new ImageRef)
259 read( width_, height_, map_.c_str(), type_, pixels_ );
261 catch ( const Warning & /*warning_*/ )
263 // FIXME: need a way to report warnings in constructor
265 catch ( const Error & /*error_*/ )
273 // Default constructor
274 Magick::Image::Image( void )
275 : _imgRef(new ImageRef)
281 Magick::Image::~Image()
283 bool doDelete = false;
285 Lock( &_imgRef->_mutexLock );
286 if ( --_imgRef->_refCount == 0 )
297 // Adaptive-blur image
298 void Magick::Image::adaptiveBlur( const double radius_, const double sigma_ )
300 ExceptionInfo exceptionInfo;
301 GetExceptionInfo( &exceptionInfo );
302 MagickCore::Image* newImage =
303 AdaptiveBlurImage( image(), radius_, sigma_, &exceptionInfo);
304 replaceImage( newImage );
305 throwException( exceptionInfo );
306 (void) DestroyExceptionInfo( &exceptionInfo );
309 // Local adaptive threshold image
310 // http://www.dai.ed.ac.uk/HIPR2/adpthrsh.htm
311 // Width x height define the size of the pixel neighborhood
312 // offset = constant to subtract from pixel neighborhood mean
313 void Magick::Image::adaptiveThreshold ( const size_t width_,
314 const size_t height_,
315 const ssize_t offset_ )
317 ExceptionInfo exceptionInfo;
318 GetExceptionInfo( &exceptionInfo );
319 MagickCore::Image* newImage =
320 AdaptiveThresholdImage( constImage(), width_, height_, offset_, &exceptionInfo );
321 replaceImage( newImage );
322 throwException( exceptionInfo );
323 (void) DestroyExceptionInfo( &exceptionInfo );
326 // Add noise to image
327 void Magick::Image::addNoise( const NoiseType noiseType_ )
329 ExceptionInfo exceptionInfo;
330 GetExceptionInfo( &exceptionInfo );
331 MagickCore::Image* newImage =
332 AddNoiseImage ( image(),
335 replaceImage( newImage );
336 throwException( exceptionInfo );
337 (void) DestroyExceptionInfo( &exceptionInfo );
340 void Magick::Image::addNoiseChannel( const ChannelType channel_,
341 const NoiseType noiseType_ )
343 ExceptionInfo exceptionInfo;
344 GetExceptionInfo( &exceptionInfo );
345 ChannelType channel_mask = SetImageChannelMask( image(), channel_);
346 MagickCore::Image* newImage =
347 AddNoiseImage ( image(),
350 (void) SetPixelChannelMask( image(), channel_mask );
351 replaceImage( newImage );
352 throwException( exceptionInfo );
353 (void) DestroyExceptionInfo( &exceptionInfo );
356 // Affine Transform image
357 void Magick::Image::affineTransform ( const DrawableAffine &affine_ )
359 ExceptionInfo exceptionInfo;
360 GetExceptionInfo( &exceptionInfo );
362 AffineMatrix _affine;
363 _affine.sx = affine_.sx();
364 _affine.sy = affine_.sy();
365 _affine.rx = affine_.rx();
366 _affine.ry = affine_.ry();
367 _affine.tx = affine_.tx();
368 _affine.ty = affine_.ty();
370 MagickCore::Image* newImage =
371 AffineTransformImage( image(), &_affine, &exceptionInfo);
372 replaceImage( newImage );
373 throwException( exceptionInfo );
374 (void) DestroyExceptionInfo( &exceptionInfo );
377 // Annotate using specified text, and placement location
378 void Magick::Image::annotate ( const std::string &text_,
379 const Geometry &location_ )
381 annotate ( text_, location_, NorthWestGravity, 0.0 );
383 // Annotate using specified text, bounding area, and placement gravity
384 void Magick::Image::annotate ( const std::string &text_,
385 const Geometry &boundingArea_,
386 const GravityType gravity_ )
388 annotate ( text_, boundingArea_, gravity_, 0.0 );
390 // Annotate with text using specified text, bounding area, placement
391 // gravity, and rotation.
392 void Magick::Image::annotate ( const std::string &text_,
393 const Geometry &boundingArea_,
394 const GravityType gravity_,
395 const double degrees_ )
400 = options()->drawInfo();
402 drawInfo->text = const_cast<char *>(text_.c_str());
404 char boundingArea[MaxTextExtent];
406 drawInfo->geometry = 0;
407 if ( boundingArea_.isValid() ){
408 if ( boundingArea_.width() == 0 || boundingArea_.height() == 0 )
410 FormatLocaleString( boundingArea, MaxTextExtent, "%+.20g%+.20g",
411 (double) boundingArea_.xOff(), (double) boundingArea_.yOff() );
415 (void) CopyMagickString( boundingArea, string(boundingArea_).c_str(),
418 drawInfo->geometry = boundingArea;
421 drawInfo->gravity = gravity_;
423 AffineMatrix oaffine = drawInfo->affine;
424 if ( degrees_ != 0.0)
434 AffineMatrix current = drawInfo->affine;
435 affine.sx=cos(DegreesToRadians(fmod(degrees_,360.0)));
436 affine.rx=sin(DegreesToRadians(fmod(degrees_,360.0)));
437 affine.ry=(-sin(DegreesToRadians(fmod(degrees_,360.0))));
438 affine.sy=cos(DegreesToRadians(fmod(degrees_,360.0)));
440 drawInfo->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
441 drawInfo->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
442 drawInfo->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
443 drawInfo->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
444 drawInfo->affine.tx=current.sx*affine.tx+current.ry*affine.ty
448 ExceptionInfo exceptionInfo;
449 GetExceptionInfo( &exceptionInfo );
450 AnnotateImage( image(), drawInfo, &exceptionInfo );
452 // Restore original values
453 drawInfo->affine = oaffine;
455 drawInfo->geometry = 0;
457 throwException( exceptionInfo );
458 (void) DestroyExceptionInfo( &exceptionInfo );
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 ExceptionInfo exceptionInfo;
474 GetExceptionInfo( &exceptionInfo );
475 AnnotateImage( image(), drawInfo, &exceptionInfo );
477 drawInfo->gravity = NorthWestGravity;
480 throwException( exceptionInfo );
481 (void) DestroyExceptionInfo( &exceptionInfo );
485 void Magick::Image::blur( const double radius_, const double sigma_ )
487 ExceptionInfo exceptionInfo;
488 GetExceptionInfo( &exceptionInfo );
489 MagickCore::Image* newImage =
490 BlurImage( image(), radius_, sigma_, &exceptionInfo);
491 replaceImage( newImage );
492 throwException( exceptionInfo );
493 (void) DestroyExceptionInfo( &exceptionInfo );
496 void Magick::Image::blurChannel( const ChannelType channel_,
497 const double radius_, const double sigma_ )
499 ExceptionInfo exceptionInfo;
500 GetExceptionInfo( &exceptionInfo );
501 ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
502 MagickCore::Image* newImage =
503 BlurImage( image(), radius_, sigma_, &exceptionInfo);
504 (void) SetPixelChannelMask( image(), channel_mask );
505 replaceImage( newImage );
506 throwException( exceptionInfo );
507 (void) DestroyExceptionInfo( &exceptionInfo );
510 // Add border to image
511 // Only uses width & height
512 void Magick::Image::border( const Geometry &geometry_ )
514 RectangleInfo borderInfo = geometry_;
515 ExceptionInfo exceptionInfo;
516 GetExceptionInfo( &exceptionInfo );
517 MagickCore::Image* newImage =
518 BorderImage( image(), &borderInfo, image()->compose, &exceptionInfo);
519 replaceImage( newImage );
520 throwException( exceptionInfo );
521 (void) DestroyExceptionInfo( &exceptionInfo );
524 // Extract channel from image
525 void Magick::Image::channel ( const ChannelType channel_ )
528 ExceptionInfo exceptionInfo;
529 GetExceptionInfo( &exceptionInfo );
530 MagickCore::Image* newImage =
531 SeparateImage( image(), channel_, &exceptionInfo);
532 replaceImage( newImage );
533 throwException( exceptionInfo );
534 (void) DestroyExceptionInfo( &exceptionInfo );
537 // Set or obtain modulus channel depth
538 void Magick::Image::channelDepth ( const size_t depth_ )
541 ExceptionInfo exceptionInfo;
542 GetExceptionInfo( &exceptionInfo );
543 SetImageDepth( image(), depth_, &exceptionInfo);
544 throwException( exceptionInfo );
545 (void) DestroyExceptionInfo( &exceptionInfo );
547 size_t Magick::Image::channelDepth ( )
549 size_t channel_depth;
551 ExceptionInfo exceptionInfo;
552 GetExceptionInfo( &exceptionInfo );
553 channel_depth=GetImageDepth( constImage(), &exceptionInfo );
554 throwException( exceptionInfo );
555 (void) DestroyExceptionInfo( &exceptionInfo );
556 return channel_depth;
560 // Charcoal-effect image
561 void Magick::Image::charcoal( const double radius_, const double sigma_ )
563 ExceptionInfo exceptionInfo;
564 GetExceptionInfo( &exceptionInfo );
565 MagickCore::Image* newImage =
566 CharcoalImage( image(), radius_, sigma_, &exceptionInfo );
567 replaceImage( newImage );
568 throwException( exceptionInfo );
569 (void) DestroyExceptionInfo( &exceptionInfo );
573 void Magick::Image::chop( const Geometry &geometry_ )
575 RectangleInfo chopInfo = geometry_;
576 ExceptionInfo exceptionInfo;
577 GetExceptionInfo( &exceptionInfo );
578 MagickCore::Image* newImage =
579 ChopImage( image(), &chopInfo, &exceptionInfo);
580 replaceImage( newImage );
581 throwException( exceptionInfo );
582 (void) DestroyExceptionInfo( &exceptionInfo );
585 // contains one or more color corrections and applies the correction to the
587 void Magick::Image::cdl ( const std::string &cdl_ )
590 ExceptionInfo exceptionInfo;
591 GetExceptionInfo( &exceptionInfo );
592 (void) ColorDecisionListImage( image(), cdl_.c_str(), &exceptionInfo );
593 throwException( exceptionInfo );
594 (void) DestroyExceptionInfo( &exceptionInfo );
598 void Magick::Image::colorize ( const unsigned int alphaRed_,
599 const unsigned int alphaGreen_,
600 const unsigned int alphaBlue_,
601 const Color &penColor_ )
603 if ( !penColor_.isValid() )
605 throwExceptionExplicit( OptionError,
606 "Pen color argument is invalid");
609 char blend[MaxTextExtent];
610 FormatLocaleString(blend,MaxTextExtent,"%u/%u/%u",alphaRed_,alphaGreen_,alphaBlue_);
612 ExceptionInfo exceptionInfo;
613 GetExceptionInfo( &exceptionInfo );
615 GetPixelInfo(image(),&target);
616 PixelInfo pixel=static_cast<PixelInfo>(penColor_);
617 target.red=pixel.red;
618 target.green=pixel.green;
619 target.blue=pixel.blue;
620 target.alpha=pixel.alpha;
621 MagickCore::Image* newImage =
622 ColorizeImage ( image(), blend, &target, &exceptionInfo );
623 replaceImage( newImage );
624 throwException( exceptionInfo );
625 (void) DestroyExceptionInfo( &exceptionInfo );
627 void Magick::Image::colorize ( const unsigned int alpha_,
628 const Color &penColor_ )
630 colorize( alpha_, alpha_, alpha_, penColor_ );
633 // Apply a color matrix to the image channels. The user supplied
634 // matrix may be of order 1 to 6 (1x1 through 6x6).
635 void Magick::Image::colorMatrix (const size_t order_,
636 const double *color_matrix_)
641 ExceptionInfo exceptionInfo;
642 GetExceptionInfo( &exceptionInfo );
643 kernel_info=AcquireKernelInfo((const char *) NULL);
644 kernel_info->width=order_;
645 kernel_info->height=order_;
646 kernel_info->values=(MagickRealType *) AcquireAlignedMemory(order_,
647 order_*sizeof(*kernel_info->values));
648 if (kernel_info->values != (MagickRealType *) NULL)
650 for (ssize_t i=0; i < (order_*order_); i++)
651 kernel_info->values[i]=color_matrix_[i];
652 MagickCore::Image* newImage =
653 ColorMatrixImage( image(), kernel_info, &exceptionInfo );
654 replaceImage( newImage );
656 kernel_info=DestroyKernelInfo(kernel_info);
657 throwException( exceptionInfo );
658 (void) DestroyExceptionInfo( &exceptionInfo );
661 // Compare current image with another image
662 // Sets meanErrorPerPixel, normalizedMaxError, and normalizedMeanError
663 // in the current image. False is returned if the images are identical.
664 bool Magick::Image::compare ( const Image &reference_ )
666 ExceptionInfo exceptionInfo;
667 GetExceptionInfo( &exceptionInfo );
669 Image ref = reference_;
672 static_cast<bool>(IsImagesEqual(image(), ref.image(), &exceptionInfo));
673 throwException( exceptionInfo );
674 (void) DestroyExceptionInfo( &exceptionInfo );
678 // Composite two images
679 void Magick::Image::composite ( const Image &compositeImage_,
680 const ssize_t xOffset_,
681 const ssize_t yOffset_,
682 const CompositeOperator compose_ )
684 // Image supplied as compositeImage is composited with current image and
685 // results in updating current image.
688 ExceptionInfo exceptionInfo;
689 GetExceptionInfo( &exceptionInfo );
690 CompositeImage( image(),
691 compositeImage_.constImage(),
692 compose_, MagickFalse,
694 yOffset_, &exceptionInfo );
695 throwException( exceptionInfo );
696 (void) DestroyExceptionInfo( &exceptionInfo );
698 void Magick::Image::composite ( const Image &compositeImage_,
699 const Geometry &offset_,
700 const CompositeOperator compose_ )
704 ssize_t x = offset_.xOff();
705 ssize_t y = offset_.yOff();
706 size_t width = columns();
707 size_t height = rows();
709 ParseMetaGeometry (static_cast<std::string>(offset_).c_str(),
713 ExceptionInfo exceptionInfo;
714 GetExceptionInfo( &exceptionInfo );
715 CompositeImage( image(),
716 compositeImage_.constImage(),
717 compose_, MagickFalse,
718 x, y, &exceptionInfo );
719 throwException( exceptionInfo );
720 (void) DestroyExceptionInfo( &exceptionInfo );
722 void Magick::Image::composite ( const Image &compositeImage_,
723 const GravityType gravity_,
724 const CompositeOperator compose_ )
728 RectangleInfo geometry;
730 SetGeometry(compositeImage_.constImage(), &geometry);
731 GravityAdjustGeometry(columns(), rows(), gravity_, &geometry);
733 ExceptionInfo exceptionInfo;
734 GetExceptionInfo( &exceptionInfo );
735 CompositeImage( image(),
736 compositeImage_.constImage(),
737 compose_, MagickFalse,
738 geometry.x, geometry.y, &exceptionInfo );
739 throwException( exceptionInfo );
740 (void) DestroyExceptionInfo( &exceptionInfo );
744 void Magick::Image::contrast ( const size_t sharpen_ )
747 ExceptionInfo exceptionInfo;
748 GetExceptionInfo( &exceptionInfo );
749 ContrastImage ( image(), (MagickBooleanType) sharpen_, &exceptionInfo );
750 throwException( exceptionInfo );
751 (void) DestroyExceptionInfo( &exceptionInfo );
754 // Convolve image. Applies a general image convolution kernel to the image.
755 // order_ represents the number of columns and rows in the filter kernel.
756 // kernel_ is an array of doubles representing the convolution kernel.
757 void Magick::Image::convolve ( const size_t order_,
758 const double *kernel_ )
763 ExceptionInfo exceptionInfo;
764 GetExceptionInfo( &exceptionInfo );
765 kernel_info=AcquireKernelInfo((const char *) NULL);
766 kernel_info->width=order_;
767 kernel_info->height=order_;
768 kernel_info->values=(MagickRealType *) AcquireAlignedMemory(order_,
769 order_*sizeof(*kernel_info->values));
770 if (kernel_info->values != (MagickRealType *) NULL)
772 for (ssize_t i=0; i < (order_*order_); i++)
773 kernel_info->values[i]=kernel_[i];
774 MagickCore::Image* newImage =
775 ConvolveImage ( image(), kernel_info, &exceptionInfo );
776 replaceImage( newImage );
778 kernel_info=DestroyKernelInfo(kernel_info);
779 throwException( exceptionInfo );
780 (void) DestroyExceptionInfo( &exceptionInfo );
784 void Magick::Image::crop ( const Geometry &geometry_ )
786 RectangleInfo cropInfo = geometry_;
787 ExceptionInfo exceptionInfo;
788 GetExceptionInfo( &exceptionInfo );
789 MagickCore::Image* newImage =
793 replaceImage( newImage );
794 throwException( exceptionInfo );
795 (void) DestroyExceptionInfo( &exceptionInfo );
799 void Magick::Image::cycleColormap ( const ssize_t amount_ )
801 ExceptionInfo exceptionInfo;
802 GetExceptionInfo( &exceptionInfo );
804 CycleColormapImage( image(), amount_, &exceptionInfo );
805 throwException( exceptionInfo );
806 (void) DestroyExceptionInfo( &exceptionInfo );
810 void Magick::Image::despeckle ( void )
812 ExceptionInfo exceptionInfo;
813 GetExceptionInfo( &exceptionInfo );
814 MagickCore::Image* newImage =
815 DespeckleImage( image(), &exceptionInfo );
816 replaceImage( newImage );
817 throwException( exceptionInfo );
818 (void) DestroyExceptionInfo( &exceptionInfo );
822 void Magick::Image::display( void )
824 ExceptionInfo exceptionInfo;
825 GetExceptionInfo( &exceptionInfo );
826 DisplayImages( imageInfo(), image(), &exceptionInfo );
827 throwException( exceptionInfo );
828 (void) DestroyExceptionInfo( &exceptionInfo );
831 // Distort image. distorts an image using various distortion methods, by
832 // mapping color lookups of the source image to a new destination image
833 // usally of the same size as the source image, unless 'bestfit' is set to
835 void Magick::Image::distort ( const DistortImageMethod method_,
836 const size_t number_arguments_,
837 const double *arguments_,
838 const bool bestfit_ )
840 ExceptionInfo exceptionInfo;
841 GetExceptionInfo( &exceptionInfo );
842 MagickCore::Image* newImage = DistortImage ( image(), method_,
843 number_arguments_, arguments_, bestfit_ == true ? MagickTrue : MagickFalse,
845 replaceImage( newImage );
846 throwException( exceptionInfo );
847 (void) DestroyExceptionInfo( &exceptionInfo );
850 // Draw on image using single drawable
851 void Magick::Image::draw ( const Magick::Drawable &drawable_ )
855 DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
859 drawable_.operator()(wand);
863 wand=DestroyDrawingWand(wand);
866 throwImageException();
869 // Draw on image using a drawable list
870 void Magick::Image::draw ( const std::list<Magick::Drawable> &drawable_ )
874 DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
878 for( std::list<Magick::Drawable>::const_iterator p = drawable_.begin();
879 p != drawable_.end(); p++ )
886 wand=DestroyDrawingWand(wand);
889 throwImageException();
892 // Hilight edges in image
893 void Magick::Image::edge ( const double radius_, const double sigma_ )
895 ExceptionInfo exceptionInfo;
896 GetExceptionInfo( &exceptionInfo );
897 MagickCore::Image* newImage =
898 EdgeImage( image(), radius_, sigma_, &exceptionInfo );
899 replaceImage( newImage );
900 throwException( exceptionInfo );
901 (void) DestroyExceptionInfo( &exceptionInfo );
904 // Emboss image (hilight edges)
905 void Magick::Image::emboss ( const double radius_, const double sigma_ )
907 ExceptionInfo exceptionInfo;
908 GetExceptionInfo( &exceptionInfo );
909 MagickCore::Image* newImage =
910 EmbossImage( image(), radius_, sigma_, &exceptionInfo );
911 replaceImage( newImage );
912 throwException( exceptionInfo );
913 (void) DestroyExceptionInfo( &exceptionInfo );
916 // Enhance image (minimize noise)
917 void Magick::Image::enhance ( void )
919 ExceptionInfo exceptionInfo;
920 GetExceptionInfo( &exceptionInfo );
921 MagickCore::Image* newImage =
922 EnhanceImage( image(), &exceptionInfo );
923 replaceImage( newImage );
924 throwException( exceptionInfo );
925 (void) DestroyExceptionInfo( &exceptionInfo );
928 // Equalize image (histogram equalization)
929 void Magick::Image::equalize ( void )
931 ExceptionInfo exceptionInfo;
932 GetExceptionInfo( &exceptionInfo );
934 EqualizeImage( image(), &exceptionInfo );
935 throwException( exceptionInfo );
936 (void) DestroyExceptionInfo( &exceptionInfo );
939 // Erase image to current "background color"
940 void Magick::Image::erase ( void )
943 ExceptionInfo exceptionInfo;
944 GetExceptionInfo( &exceptionInfo );
945 SetImageBackgroundColor( image(), &exceptionInfo );
946 throwException( exceptionInfo );
947 (void) DestroyExceptionInfo( &exceptionInfo );
950 // Extends image as defined by the geometry.
952 void Magick::Image::extent ( const Geometry &geometry_ )
955 ExceptionInfo exceptionInfo;
956 GetExceptionInfo( &exceptionInfo );
957 RectangleInfo extentInfo = geometry_;
958 extentInfo.x = geometry_.xOff();
959 extentInfo.y = geometry_.yOff();
960 MagickCore::Image* newImage =
961 ExtentImage ( image(), &extentInfo, &exceptionInfo );
962 replaceImage( newImage );
963 throwException( exceptionInfo );
964 (void) DestroyExceptionInfo( &exceptionInfo );
966 void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_ )
968 backgroundColor ( backgroundColor_ );
969 extent ( geometry_ );
971 void Magick::Image::extent ( const Geometry &geometry_, const GravityType gravity_ )
973 RectangleInfo geometry;
975 SetGeometry(image(), &geometry);
976 geometry.width = geometry_.width();
977 geometry.height = geometry_.height();
978 GravityAdjustGeometry(image()->columns, image()->rows, gravity_, &geometry);
981 void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_, const GravityType gravity_ )
983 backgroundColor ( backgroundColor_ );
984 extent ( geometry_, gravity_ );
987 // Flip image (reflect each scanline in the vertical direction)
988 void Magick::Image::flip ( void )
990 ExceptionInfo exceptionInfo;
991 GetExceptionInfo( &exceptionInfo );
992 MagickCore::Image* newImage =
993 FlipImage( image(), &exceptionInfo );
994 replaceImage( newImage );
995 throwException( exceptionInfo );
996 (void) DestroyExceptionInfo( &exceptionInfo );
999 // Flood-fill color across pixels that match the color of the
1000 // target pixel and are neighbors of the target pixel.
1001 // Uses current fuzz setting when determining color match.
1002 void Magick::Image::floodFillColor( const ssize_t x_,
1004 const Magick::Color &fillColor_ )
1006 floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_ ) );
1008 void Magick::Image::floodFillColor( const Geometry &point_,
1009 const Magick::Color &fillColor_ )
1011 floodFillTexture( point_, Image( Geometry( 1, 1), fillColor_) );
1014 // Flood-fill color across pixels starting at target-pixel and
1015 // stopping at pixels matching specified border color.
1016 // Uses current fuzz setting when determining color match.
1017 void Magick::Image::floodFillColor( const ssize_t x_,
1019 const Magick::Color &fillColor_,
1020 const Magick::Color &borderColor_ )
1022 floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_),
1025 void Magick::Image::floodFillColor( const Geometry &point_,
1026 const Magick::Color &fillColor_,
1027 const Magick::Color &borderColor_ )
1029 floodFillTexture( point_, Image( Geometry( 1, 1), fillColor_),
1033 // Floodfill pixels matching color (within fuzz factor) of target
1034 // pixel(x,y) with replacement alpha value using method.
1035 void Magick::Image::floodFillAlpha( const ssize_t x_,
1037 const unsigned int alpha_,
1038 const PaintMethod method_ )
1042 GetPixelInfo(image(),&target);
1043 PixelInfo pixel=static_cast<PixelInfo>(pixelColor(x_,y_));
1044 target.red=pixel.red;
1045 target.green=pixel.green;
1046 target.blue=pixel.blue;
1047 target.alpha=alpha_;
1048 ExceptionInfo exceptionInfo;
1049 GetExceptionInfo( &exceptionInfo );
1050 FloodfillPaintImage ( image(),
1051 options()->drawInfo(), // const DrawInfo *draw_info
1053 static_cast<ssize_t>(x_), static_cast<ssize_t>(y_),
1054 method_ == FloodfillMethod ? MagickFalse : MagickTrue,
1056 throwException( exceptionInfo );
1057 (void) DestroyExceptionInfo( &exceptionInfo );
1060 // Flood-fill texture across pixels that match the color of the
1061 // target pixel and are neighbors of the target pixel.
1062 // Uses current fuzz setting when determining color match.
1063 void Magick::Image::floodFillTexture( const ssize_t x_,
1065 const Magick::Image &texture_ )
1069 // Set drawing pattern
1070 options()->fillPattern(texture_.constImage());
1073 Pixels pixels(*this);
1075 Quantum *p = pixels.get(x_, y_, 1, 1 );
1077 GetPixelInfo(constImage(),&target);
1078 target.red=GetPixelRed(constImage(),p);
1079 target.green=GetPixelGreen(constImage(),p);
1080 target.blue=GetPixelBlue(constImage(),p);
1081 ExceptionInfo exceptionInfo;
1082 GetExceptionInfo( &exceptionInfo );
1084 FloodfillPaintImage ( image(), // Image *image
1085 options()->drawInfo(), // const DrawInfo *draw_info
1086 &target, // const MagickPacket target
1087 static_cast<ssize_t>(x_), // const ssize_t x_offset
1088 static_cast<ssize_t>(y_), // const ssize_t y_offset
1089 MagickFalse, // const PaintMethod method
1091 throwException( exceptionInfo );
1092 (void) DestroyExceptionInfo( &exceptionInfo );
1095 void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
1096 const Magick::Image &texture_ )
1098 floodFillTexture( point_.xOff(), point_.yOff(), texture_ );
1101 // Flood-fill texture across pixels starting at target-pixel and
1102 // stopping at pixels matching specified border color.
1103 // Uses current fuzz setting when determining color match.
1104 void Magick::Image::floodFillTexture( const ssize_t x_,
1106 const Magick::Image &texture_,
1107 const Magick::Color &borderColor_ )
1111 // Set drawing fill pattern
1112 options()->fillPattern(texture_.constImage());
1115 GetPixelInfo(constImage(),&target);
1116 target.red=static_cast<PixelInfo>(borderColor_).red;
1117 target.green=static_cast<PixelInfo>(borderColor_).green;
1118 target.blue=static_cast<PixelInfo>(borderColor_).blue;
1119 ExceptionInfo exceptionInfo;
1120 GetExceptionInfo( &exceptionInfo );
1121 FloodfillPaintImage ( image(),
1122 options()->drawInfo(),
1124 static_cast<ssize_t>(x_),
1125 static_cast<ssize_t>(y_),
1126 MagickTrue, &exceptionInfo);
1128 throwException( exceptionInfo );
1129 (void) DestroyExceptionInfo( &exceptionInfo );
1131 void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
1132 const Magick::Image &texture_,
1133 const Magick::Color &borderColor_ )
1135 floodFillTexture( point_.xOff(), point_.yOff(), texture_, borderColor_ );
1138 // Flop image (reflect each scanline in the horizontal direction)
1139 void Magick::Image::flop ( void )
1141 ExceptionInfo exceptionInfo;
1142 GetExceptionInfo( &exceptionInfo );
1143 MagickCore::Image* newImage =
1144 FlopImage( image(), &exceptionInfo );
1145 replaceImage( newImage );
1146 throwException( exceptionInfo );
1147 (void) DestroyExceptionInfo( &exceptionInfo );
1151 void Magick::Image::frame ( const Geometry &geometry_ )
1155 info.x = static_cast<ssize_t>(geometry_.width());
1156 info.y = static_cast<ssize_t>(geometry_.height());
1157 info.width = columns() + ( static_cast<size_t>(info.x) << 1 );
1158 info.height = rows() + ( static_cast<size_t>(info.y) << 1 );
1159 info.outer_bevel = geometry_.xOff();
1160 info.inner_bevel = geometry_.yOff();
1162 ExceptionInfo exceptionInfo;
1163 GetExceptionInfo( &exceptionInfo );
1164 MagickCore::Image* newImage =
1165 FrameImage( image(), &info, image()->compose, &exceptionInfo );
1166 replaceImage( newImage );
1167 throwException( exceptionInfo );
1168 (void) DestroyExceptionInfo( &exceptionInfo );
1170 void Magick::Image::frame ( const size_t width_,
1171 const size_t height_,
1172 const ssize_t outerBevel_, const ssize_t innerBevel_ )
1175 info.x = static_cast<ssize_t>(width_);
1176 info.y = static_cast<ssize_t>(height_);
1177 info.width = columns() + ( static_cast<size_t>(info.x) << 1 );
1178 info.height = rows() + ( static_cast<size_t>(info.y) << 1 );
1179 info.outer_bevel = static_cast<ssize_t>(outerBevel_);
1180 info.inner_bevel = static_cast<ssize_t>(innerBevel_);
1182 ExceptionInfo exceptionInfo;
1183 GetExceptionInfo( &exceptionInfo );
1184 MagickCore::Image* newImage =
1185 FrameImage( image(), &info, image()->compose, &exceptionInfo );
1186 replaceImage( newImage );
1187 throwException( exceptionInfo );
1188 (void) DestroyExceptionInfo( &exceptionInfo );
1191 // Fx image. Applies a mathematical expression to the image.
1192 void Magick::Image::fx ( const std::string expression )
1194 ExceptionInfo exceptionInfo;
1195 GetExceptionInfo( &exceptionInfo );
1196 MagickCore::Image* newImage =
1197 FxImage ( image(), expression.c_str(), &exceptionInfo );
1198 replaceImage( newImage );
1199 throwException( exceptionInfo );
1200 (void) DestroyExceptionInfo( &exceptionInfo );
1202 void Magick::Image::fx ( const std::string expression,
1203 const Magick::ChannelType channel )
1205 ExceptionInfo exceptionInfo;
1206 GetExceptionInfo( &exceptionInfo );
1207 ChannelType channel_mask = SetImageChannelMask( image(), channel );
1208 MagickCore::Image* newImage =
1209 FxImage ( image(), expression.c_str(), &exceptionInfo );
1210 (void) SetPixelChannelMask( image(), channel_mask );
1211 replaceImage( newImage );
1212 throwException( exceptionInfo );
1213 (void) DestroyExceptionInfo( &exceptionInfo );
1216 // Gamma correct image
1217 void Magick::Image::gamma ( const double gamma_ )
1219 ExceptionInfo exceptionInfo;
1220 GetExceptionInfo( &exceptionInfo );
1222 GammaImage ( image(), gamma_, &exceptionInfo );
1223 throwException( exceptionInfo );
1224 (void) DestroyExceptionInfo( &exceptionInfo );
1227 void Magick::Image::gamma ( const double gammaRed_,
1228 const double gammaGreen_,
1229 const double gammaBlue_ )
1231 char gamma[MaxTextExtent + 1];
1232 FormatLocaleString( gamma, MaxTextExtent, "%3.6f/%3.6f/%3.6f/",
1233 gammaRed_, gammaGreen_, gammaBlue_);
1235 ExceptionInfo exceptionInfo;
1236 GetExceptionInfo( &exceptionInfo );
1238 GammaImage ( image(), atof(gamma), &exceptionInfo );
1239 throwException( exceptionInfo );
1240 (void) DestroyExceptionInfo( &exceptionInfo );
1243 // Gaussian blur image
1244 // The number of neighbor pixels to be included in the convolution
1245 // mask is specified by 'width_'. The standard deviation of the
1246 // gaussian bell curve is specified by 'sigma_'.
1247 void Magick::Image::gaussianBlur ( const double width_, const double sigma_ )
1249 ExceptionInfo exceptionInfo;
1250 GetExceptionInfo( &exceptionInfo );
1251 MagickCore::Image* newImage =
1252 GaussianBlurImage( image(), width_, sigma_, &exceptionInfo );
1253 replaceImage( newImage );
1254 throwException( exceptionInfo );
1255 (void) DestroyExceptionInfo( &exceptionInfo );
1258 void Magick::Image::gaussianBlurChannel ( const ChannelType channel_,
1259 const double width_,
1260 const double sigma_ )
1262 ExceptionInfo exceptionInfo;
1263 GetExceptionInfo( &exceptionInfo );
1264 ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
1265 MagickCore::Image* newImage =
1266 GaussianBlurImage( image(), width_, sigma_, &exceptionInfo );
1267 (void) SetPixelChannelMask( image(), channel_mask );
1268 replaceImage( newImage );
1269 throwException( exceptionInfo );
1270 (void) DestroyExceptionInfo( &exceptionInfo );
1273 // Apply a color lookup table (Hald CLUT) to the image.
1274 void Magick::Image::haldClut ( const Image &clutImage_ )
1276 ExceptionInfo exceptionInfo;
1277 GetExceptionInfo( &exceptionInfo );
1279 (void) HaldClutImage( image(), clutImage_.constImage(), &exceptionInfo );
1280 throwException( exceptionInfo );
1281 (void) DestroyExceptionInfo( &exceptionInfo );
1285 void Magick::Image::implode ( const double factor_ )
1287 ExceptionInfo exceptionInfo;
1288 GetExceptionInfo( &exceptionInfo );
1289 MagickCore::Image* newImage =
1290 ImplodeImage( image(), factor_, image()->interpolate, &exceptionInfo );
1291 replaceImage( newImage );
1292 throwException( exceptionInfo );
1293 (void) DestroyExceptionInfo( &exceptionInfo );
1296 // implements the inverse discrete Fourier transform (IFT) of the image either
1297 // as a magnitude / phase or real / imaginary image pair.
1298 void Magick::Image::inverseFourierTransform ( const Image &phase_ )
1300 ExceptionInfo exceptionInfo;
1301 GetExceptionInfo( &exceptionInfo );
1302 MagickCore::Image* newImage = InverseFourierTransformImage( image(),
1303 phase_.constImage(), MagickTrue, &exceptionInfo);
1304 replaceImage( newImage );
1305 throwException( exceptionInfo );
1306 (void) DestroyExceptionInfo( &exceptionInfo );
1308 void Magick::Image::inverseFourierTransform ( const Image &phase_,
1309 const bool magnitude_ )
1311 ExceptionInfo exceptionInfo;
1312 GetExceptionInfo( &exceptionInfo );
1313 MagickCore::Image* newImage = InverseFourierTransformImage( image(),
1314 phase_.constImage(), magnitude_ == true ? MagickTrue : MagickFalse,
1316 replaceImage( newImage );
1317 throwException( exceptionInfo );
1318 (void) DestroyExceptionInfo( &exceptionInfo );
1321 // Level image. Adjust the levels of the image by scaling the colors
1322 // falling between specified white and black points to the full
1323 // available quantum range. The parameters provided represent the
1324 // black, mid (gamma), and white points. The black point specifies
1325 // the darkest color in the image. Colors darker than the black point
1326 // are set to zero. Mid point (gamma) specifies a gamma correction to
1327 // apply to the image. White point specifies the lightest color in the
1328 // image. Colors brighter than the white point are set to the maximum
1329 // quantum value. The black and white point have the valid range 0 to
1330 // QuantumRange while gamma has a useful range of 0 to ten.
1331 void Magick::Image::level ( const double black_point,
1332 const double white_point,
1333 const double gamma )
1335 ExceptionInfo exceptionInfo;
1336 GetExceptionInfo( &exceptionInfo );
1338 (void) LevelImage( image(), black_point, white_point, gamma, &exceptionInfo );
1339 throwException( exceptionInfo );
1340 (void) DestroyExceptionInfo( &exceptionInfo );
1343 // Magnify image by integral size
1344 void Magick::Image::magnify ( void )
1346 ExceptionInfo exceptionInfo;
1347 GetExceptionInfo( &exceptionInfo );
1348 MagickCore::Image* newImage =
1349 MagnifyImage( image(), &exceptionInfo );
1350 replaceImage( newImage );
1351 throwException( exceptionInfo );
1352 (void) DestroyExceptionInfo( &exceptionInfo );
1355 // Remap image colors with closest color from reference image
1356 void Magick::Image::map ( const Image &mapImage_ , const bool dither_ )
1358 ExceptionInfo exceptionInfo;
1359 GetExceptionInfo( &exceptionInfo );
1361 options()->quantizeDither( dither_ );
1362 RemapImage ( options()->quantizeInfo(), image(),
1363 mapImage_.constImage(), &exceptionInfo);
1364 throwException( exceptionInfo );
1365 (void) DestroyExceptionInfo( &exceptionInfo );
1367 // Floodfill designated area with replacement alpha value
1368 void Magick::Image::matteFloodfill ( const Color &target_ ,
1369 const unsigned int alpha_,
1370 const ssize_t x_, const ssize_t y_,
1371 const Magick::PaintMethod method_ )
1375 GetPixelInfo(constImage(),&target);
1376 target.red=static_cast<PixelInfo>(target_).red;
1377 target.green=static_cast<PixelInfo>(target_).green;
1378 target.blue=static_cast<PixelInfo>(target_).blue;
1379 target.alpha=alpha_;
1380 ChannelType channel_mask = SetImageChannelMask( image(), AlphaChannel );
1381 ExceptionInfo exceptionInfo;
1382 GetExceptionInfo( &exceptionInfo );
1383 FloodfillPaintImage ( image(), options()->drawInfo(), &target, x_, y_,
1384 method_ == FloodfillMethod ? MagickFalse : MagickTrue, &exceptionInfo);
1385 (void) SetPixelChannelMask( image(), channel_mask );
1386 throwException( exceptionInfo );
1387 (void) DestroyExceptionInfo( &exceptionInfo );
1390 // Filter image by replacing each pixel component with the median
1391 // color in a circular neighborhood
1392 void Magick::Image::medianFilter ( const double radius_ )
1394 ExceptionInfo exceptionInfo;
1395 GetExceptionInfo( &exceptionInfo );
1396 MagickCore::Image* newImage =
1397 StatisticImage ( image(), MedianStatistic, (size_t) radius_, (size_t)
1398 radius_,&exceptionInfo );
1399 replaceImage( newImage );
1400 throwException( exceptionInfo );
1401 (void) DestroyExceptionInfo( &exceptionInfo );
1405 void Magick::Image::mergeLayers( const LayerMethod layerMethod_ )
1407 ExceptionInfo exceptionInfo;
1408 GetExceptionInfo( &exceptionInfo );
1409 MagickCore::Image* newImage =
1410 MergeImageLayers ( image(),
1413 replaceImage( newImage );
1414 throwException( exceptionInfo );
1415 (void) DestroyExceptionInfo( &exceptionInfo );
1418 // Reduce image by integral size
1419 void Magick::Image::minify ( void )
1421 ExceptionInfo exceptionInfo;
1422 GetExceptionInfo( &exceptionInfo );
1423 MagickCore::Image* newImage =
1424 MinifyImage( image(), &exceptionInfo );
1425 replaceImage( newImage );
1426 throwException( exceptionInfo );
1427 (void) DestroyExceptionInfo( &exceptionInfo );
1430 // Modulate percent hue, saturation, and brightness of an image
1431 void Magick::Image::modulate ( const double brightness_,
1432 const double saturation_,
1435 char modulate[MaxTextExtent + 1];
1436 FormatLocaleString( modulate, MaxTextExtent, "%3.6f,%3.6f,%3.6f",
1437 brightness_, saturation_, hue_);
1439 ExceptionInfo exceptionInfo;
1440 GetExceptionInfo( &exceptionInfo );
1442 ModulateImage( image(), modulate, &exceptionInfo );
1443 throwException( exceptionInfo );
1444 (void) DestroyExceptionInfo( &exceptionInfo );
1447 // Motion blur image with specified blur factor
1448 // The radius_ parameter specifies the radius of the Gaussian, in
1449 // pixels, not counting the center pixel. The sigma_ parameter
1450 // specifies the standard deviation of the Laplacian, in pixels.
1451 // The angle_ parameter specifies the angle the object appears
1452 // to be comming from (zero degrees is from the right).
1453 void Magick::Image::motionBlur ( const double radius_,
1454 const double sigma_,
1455 const double angle_ )
1457 ExceptionInfo exceptionInfo;
1458 GetExceptionInfo( &exceptionInfo );
1459 MagickCore::Image* newImage =
1460 MotionBlurImage( image(), radius_, sigma_, angle_, &exceptionInfo);
1461 replaceImage( newImage );
1462 throwException( exceptionInfo );
1463 (void) DestroyExceptionInfo( &exceptionInfo );
1466 // Negate image. Set grayscale_ to true to effect grayscale values
1468 void Magick::Image::negate ( const bool grayscale_ )
1470 ExceptionInfo exceptionInfo;
1471 GetExceptionInfo( &exceptionInfo );
1473 NegateImage ( image(), grayscale_ == true ? MagickTrue : MagickFalse,
1475 throwException( exceptionInfo );
1476 (void) DestroyExceptionInfo( &exceptionInfo );
1480 void Magick::Image::normalize ( void )
1483 ExceptionInfo exceptionInfo;
1484 GetExceptionInfo( &exceptionInfo );
1485 NormalizeImage ( image(), &exceptionInfo );
1486 throwException( exceptionInfo );
1487 (void) DestroyExceptionInfo( &exceptionInfo );
1491 void Magick::Image::oilPaint ( const double radius_, const double sigma_ )
1493 ExceptionInfo exceptionInfo;
1494 GetExceptionInfo( &exceptionInfo );
1495 MagickCore::Image* newImage =
1496 OilPaintImage( image(), radius_, sigma_, &exceptionInfo );
1497 replaceImage( newImage );
1498 throwException( exceptionInfo );
1499 (void) DestroyExceptionInfo( &exceptionInfo );
1502 // Set or attenuate the alpha channel. If the image pixels are
1503 // opaque then they are set to the specified alpha value, otherwise
1504 // they are blended with the supplied alpha value. The value of
1505 // alpha_ ranges from 0 (completely opaque) to QuantumRange. The defines
1506 // OpaqueAlpha and TransparentAlpha are available to specify
1507 // completely opaque or completely transparent, respectively.
1508 void Magick::Image::alpha ( const unsigned int alpha_ )
1511 ExceptionInfo exceptionInfo;
1512 GetExceptionInfo( &exceptionInfo );
1513 SetImageAlpha( image(), alpha_, &exceptionInfo );
1514 throwException( exceptionInfo );
1515 (void) DestroyExceptionInfo( &exceptionInfo );
1518 // Change the color of an opaque pixel to the pen color.
1519 void Magick::Image::opaque ( const Color &opaqueColor_,
1520 const Color &penColor_ )
1522 if ( !opaqueColor_.isValid() )
1524 throwExceptionExplicit( OptionError,
1525 "Opaque color argument is invalid" );
1527 if ( !penColor_.isValid() )
1529 throwExceptionExplicit( OptionError,
1530 "Pen color argument is invalid" );
1534 std::string opaqueColor = opaqueColor_;
1535 std::string penColor = penColor_;
1539 ExceptionInfo exceptionInfo;
1540 GetExceptionInfo( &exceptionInfo );
1541 (void) QueryColorCompliance(std::string(opaqueColor_).c_str(),
1542 AllCompliance, &opaque, &exceptionInfo);
1543 (void) QueryColorCompliance(std::string(penColor_).c_str(),
1544 AllCompliance, &pen, &exceptionInfo);
1545 OpaquePaintImage ( image(), &opaque, &pen, MagickFalse, &exceptionInfo );
1546 throwException( exceptionInfo );
1547 (void) DestroyExceptionInfo( &exceptionInfo );
1550 // Ping is similar to read except only enough of the image is read to
1551 // determine the image columns, rows, and filesize. Access the
1552 // columns(), rows(), and fileSize() attributes after invoking ping.
1553 // The image data is not valid after calling ping.
1554 void Magick::Image::ping ( const std::string &imageSpec_ )
1556 options()->fileName( imageSpec_ );
1557 ExceptionInfo exceptionInfo;
1558 GetExceptionInfo( &exceptionInfo );
1559 MagickCore::Image* image =
1560 PingImage( imageInfo(), &exceptionInfo );
1561 replaceImage( image );
1562 throwException( exceptionInfo );
1563 (void) DestroyExceptionInfo( &exceptionInfo );
1566 // Ping is similar to read except only enough of the image is read
1567 // to determine the image columns, rows, and filesize. Access the
1568 // columns(), rows(), and fileSize() attributes after invoking
1569 // ping. The image data is not valid after calling ping.
1570 void Magick::Image::ping ( const Blob& blob_ )
1572 ExceptionInfo exceptionInfo;
1573 GetExceptionInfo( &exceptionInfo );
1574 MagickCore::Image* image =
1575 PingBlob( imageInfo(), blob_.data(), blob_.length(), &exceptionInfo );
1576 replaceImage( image );
1577 throwException( exceptionInfo );
1578 (void) DestroyExceptionInfo( &exceptionInfo );
1581 // Execute a named process module using an argc/argv syntax similar to
1582 // that accepted by a C 'main' routine. An exception is thrown if the
1583 // requested process module doesn't exist, fails to load, or fails during
1585 void Magick::Image::process( std::string name_, const ssize_t argc, const char **argv )
1589 ExceptionInfo exceptionInfo;
1590 GetExceptionInfo( &exceptionInfo );
1592 InvokeDynamicImageFilter( name_.c_str(), &image(), argc, argv,
1595 throwException( exceptionInfo );
1596 (void) DestroyExceptionInfo( &exceptionInfo );
1599 // Quantize colors in image using current quantization settings
1600 // Set measureError_ to true in order to measure quantization error
1601 void Magick::Image::quantize ( const bool measureError_ )
1606 options()->quantizeInfo()->measure_error=MagickTrue;
1608 options()->quantizeInfo()->measure_error=MagickFalse;
1610 ExceptionInfo exceptionInfo;
1611 GetExceptionInfo( &exceptionInfo );
1612 QuantizeImage( options()->quantizeInfo(), image(), &exceptionInfo );
1614 throwException( exceptionInfo );
1615 (void) DestroyExceptionInfo( &exceptionInfo );
1618 // Apply an arithmetic or bitwise operator to the image pixel quantums.
1619 void Magick::Image::quantumOperator ( const ChannelType channel_,
1620 const MagickEvaluateOperator operator_,
1623 ExceptionInfo exceptionInfo;
1624 GetExceptionInfo( &exceptionInfo );
1625 ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
1626 EvaluateImage( image(), operator_, rvalue_, &exceptionInfo);
1627 (void) SetPixelChannelMask( image(), channel_mask );
1628 throwException( exceptionInfo );
1629 (void) DestroyExceptionInfo( &exceptionInfo );
1632 void Magick::Image::quantumOperator ( const ssize_t x_,const ssize_t y_,
1633 const size_t columns_,
1635 const ChannelType channel_,
1636 const MagickEvaluateOperator operator_,
1637 const double rvalue_)
1639 ExceptionInfo exceptionInfo;
1640 GetExceptionInfo( &exceptionInfo );
1641 RectangleInfo geometry;
1642 geometry.width = columns_;
1643 geometry.height = rows_;
1646 MagickCore::Image *crop_image = CropImage( image(), &geometry,
1648 ChannelType channel_mask = SetImageChannelMask( image(), channel_);
1649 EvaluateImage( crop_image, operator_, rvalue_, &exceptionInfo );
1650 (void) SetPixelChannelMask( image(), channel_mask );
1651 (void) CompositeImage( image(), crop_image, image()->alpha_trait == BlendPixelTrait ?
1652 OverCompositeOp : CopyCompositeOp, MagickFalse, geometry.x, geometry.y,
1654 crop_image = DestroyImageList(crop_image);
1655 throwException( exceptionInfo );
1656 (void) DestroyExceptionInfo( &exceptionInfo );
1659 // Raise image (lighten or darken the edges of an image to give a 3-D
1660 // raised or lowered effect)
1661 void Magick::Image::raise ( const Geometry &geometry_ ,
1662 const bool raisedFlag_ )
1664 ExceptionInfo exceptionInfo;
1665 GetExceptionInfo( &exceptionInfo );
1666 RectangleInfo raiseInfo = geometry_;
1668 RaiseImage ( image(), &raiseInfo, raisedFlag_ == true ? MagickTrue : MagickFalse, &exceptionInfo );
1669 throwException( exceptionInfo );
1670 (void) DestroyExceptionInfo( &exceptionInfo );
1674 // Random threshold image.
1676 // Changes the value of individual pixels based on the intensity
1677 // of each pixel compared to a random threshold. The result is a
1678 // low-contrast, two color image. The thresholds_ argument is a
1679 // geometry containing LOWxHIGH thresholds. If the string
1680 // contains 2x2, 3x3, or 4x4, then an ordered dither of order 2,
1681 // 3, or 4 will be performed instead. If a channel_ argument is
1682 // specified then only the specified channel is altered. This is
1683 // a very fast alternative to 'quantize' based dithering.
1684 void Magick::Image::randomThreshold( const Geometry &thresholds_ )
1686 randomThresholdChannel(thresholds_,DefaultChannels);
1688 void Magick::Image::randomThresholdChannel( const Geometry &thresholds_,
1689 const ChannelType channel_ )
1691 ExceptionInfo exceptionInfo;
1692 GetExceptionInfo( &exceptionInfo );
1694 ChannelType channel_mask = SetImageChannelMask( image(), channel_);
1695 (void) RandomThresholdImage( image(),
1696 static_cast<std::string>(thresholds_).c_str(),
1698 (void) SetPixelChannelMask( image(), channel_mask );
1699 throwImageException();
1700 (void) DestroyExceptionInfo( &exceptionInfo );
1703 // Read image into current object
1704 void Magick::Image::read ( const std::string &imageSpec_ )
1706 options()->fileName( imageSpec_ );
1708 ExceptionInfo exceptionInfo;
1709 GetExceptionInfo( &exceptionInfo );
1710 MagickCore::Image* image =
1711 ReadImage( imageInfo(), &exceptionInfo );
1713 // Ensure that multiple image frames were not read.
1714 if ( image && image->next )
1716 // Destroy any extra image frames
1717 MagickCore::Image* next = image->next;
1720 DestroyImageList( next );
1723 replaceImage( image );
1724 throwException( exceptionInfo );
1725 (void) DestroyExceptionInfo( &exceptionInfo );
1728 // Read image of specified size into current object
1729 void Magick::Image::read ( const Geometry &size_,
1730 const std::string &imageSpec_ )
1736 // Read image from in-memory BLOB
1737 void Magick::Image::read ( const Blob &blob_ )
1739 ExceptionInfo exceptionInfo;
1740 GetExceptionInfo( &exceptionInfo );
1741 MagickCore::Image* image =
1742 BlobToImage( imageInfo(),
1743 static_cast<const void *>(blob_.data()),
1744 blob_.length(), &exceptionInfo );
1745 replaceImage( image );
1746 throwException( exceptionInfo );
1747 (void) DestroyExceptionInfo( &exceptionInfo );
1750 // Read image of specified size from in-memory BLOB
1751 void Magick::Image::read ( const Blob &blob_,
1752 const Geometry &size_ )
1760 // Read image of specified size and depth from in-memory BLOB
1761 void Magick::Image::read ( const Blob &blob_,
1762 const Geometry &size_,
1763 const size_t depth_ )
1773 // Read image of specified size, depth, and format from in-memory BLOB
1774 void Magick::Image::read ( const Blob &blob_,
1775 const Geometry &size_,
1776 const size_t depth_,
1777 const std::string &magick_ )
1785 // Set explicit image format
1786 fileName( magick_ + ':');
1791 // Read image of specified size, and format from in-memory BLOB
1792 void Magick::Image::read ( const Blob &blob_,
1793 const Geometry &size_,
1794 const std::string &magick_ )
1800 // Set explicit image format
1801 fileName( magick_ + ':');
1806 // Read image based on raw pixels in memory (ConstituteImage)
1807 void Magick::Image::read ( const size_t width_,
1808 const size_t height_,
1809 const std::string &map_,
1810 const StorageType type_,
1811 const void *pixels_ )
1813 ExceptionInfo exceptionInfo;
1814 GetExceptionInfo( &exceptionInfo );
1815 MagickCore::Image* image =
1816 ConstituteImage( width_, height_, map_.c_str(), type_, pixels_,
1818 replaceImage( image );
1819 throwException( exceptionInfo );
1820 (void) DestroyExceptionInfo( &exceptionInfo );
1823 // Reduce noise in image
1824 void Magick::Image::reduceNoise ( const double order_ )
1826 ExceptionInfo exceptionInfo;
1827 GetExceptionInfo( &exceptionInfo );
1828 MagickCore::Image* newImage =
1829 StatisticImage( image(), NonpeakStatistic, (size_t) order_, (size_t) order_,
1831 replaceImage( newImage );
1832 throwException( exceptionInfo );
1833 (void) DestroyExceptionInfo( &exceptionInfo );
1837 void Magick::Image::resize( const Geometry &geometry_ )
1839 // Calculate new size. This code should be supported using binary arguments
1840 // in the ImageMagick library.
1843 size_t width = columns();
1844 size_t height = rows();
1846 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1850 ExceptionInfo exceptionInfo;
1851 GetExceptionInfo( &exceptionInfo );
1852 MagickCore::Image* newImage =
1853 ResizeImage( image(),
1858 replaceImage( newImage );
1859 throwException( exceptionInfo );
1860 (void) DestroyExceptionInfo( &exceptionInfo );
1864 void Magick::Image::roll ( const Geometry &roll_ )
1866 ssize_t xOff = roll_.xOff();
1867 if ( roll_.xNegative() )
1869 ssize_t yOff = roll_.yOff();
1870 if ( roll_.yNegative() )
1873 ExceptionInfo exceptionInfo;
1874 GetExceptionInfo( &exceptionInfo );
1875 MagickCore::Image* newImage =
1876 RollImage( image(), xOff, yOff, &exceptionInfo );
1877 replaceImage( newImage );
1878 throwException( exceptionInfo );
1879 (void) DestroyExceptionInfo( &exceptionInfo );
1881 void Magick::Image::roll ( const size_t columns_,
1882 const size_t rows_ )
1884 ExceptionInfo exceptionInfo;
1885 GetExceptionInfo( &exceptionInfo );
1886 MagickCore::Image* newImage =
1888 static_cast<ssize_t>(columns_),
1889 static_cast<ssize_t>(rows_), &exceptionInfo );
1890 replaceImage( newImage );
1891 throwException( exceptionInfo );
1892 (void) DestroyExceptionInfo( &exceptionInfo );
1896 void Magick::Image::rotate ( const double degrees_ )
1898 ExceptionInfo exceptionInfo;
1899 GetExceptionInfo( &exceptionInfo );
1900 MagickCore::Image* newImage =
1901 RotateImage( image(), degrees_, &exceptionInfo);
1902 replaceImage( newImage );
1903 throwException( exceptionInfo );
1904 (void) DestroyExceptionInfo( &exceptionInfo );
1908 void Magick::Image::sample ( const Geometry &geometry_ )
1912 size_t width = columns();
1913 size_t height = rows();
1915 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1919 ExceptionInfo exceptionInfo;
1920 GetExceptionInfo( &exceptionInfo );
1921 MagickCore::Image* newImage =
1922 SampleImage( image(), width, height, &exceptionInfo );
1923 replaceImage( newImage );
1924 throwException( exceptionInfo );
1925 (void) DestroyExceptionInfo( &exceptionInfo );
1929 void Magick::Image::scale ( const Geometry &geometry_ )
1933 size_t width = columns();
1934 size_t height = rows();
1936 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
1940 ExceptionInfo exceptionInfo;
1941 GetExceptionInfo( &exceptionInfo );
1942 MagickCore::Image* newImage =
1943 ScaleImage( image(), width, height, &exceptionInfo );
1944 replaceImage( newImage );
1945 throwException( exceptionInfo );
1946 (void) DestroyExceptionInfo( &exceptionInfo );
1949 // Segment (coalesce similar image components) by analyzing the
1950 // histograms of the color components and identifying units that are
1951 // homogeneous with the fuzzy c-means technique.
1952 void Magick::Image::segment ( const double clusterThreshold_,
1953 const double smoothingThreshold_ )
1955 ExceptionInfo exceptionInfo;
1956 GetExceptionInfo( &exceptionInfo );
1958 SegmentImage ( image(),
1959 options()->quantizeColorSpace(),
1960 (MagickBooleanType) options()->verbose(),
1962 smoothingThreshold_, &exceptionInfo );
1963 SyncImage( image(), &exceptionInfo );
1964 throwException( exceptionInfo );
1965 (void) DestroyExceptionInfo( &exceptionInfo );
1968 // Shade image using distant light source
1969 void Magick::Image::shade ( const double azimuth_,
1970 const double elevation_,
1971 const bool colorShading_ )
1973 ExceptionInfo exceptionInfo;
1974 GetExceptionInfo( &exceptionInfo );
1975 MagickCore::Image* newImage =
1976 ShadeImage( image(),
1977 colorShading_ == true ? MagickTrue : MagickFalse,
1981 replaceImage( newImage );
1982 throwException( exceptionInfo );
1983 (void) DestroyExceptionInfo( &exceptionInfo );
1986 // Simulate an image shadow
1987 void Magick::Image::shadow( const double percent_opacity_, const double sigma_,
1988 const ssize_t x_, const ssize_t y_ )
1990 ExceptionInfo exceptionInfo;
1991 GetExceptionInfo( &exceptionInfo );
1992 MagickCore::Image* newImage = ShadowImage( image(), percent_opacity_, sigma_,
1993 x_, y_, &exceptionInfo );
1994 replaceImage( newImage );
1995 throwException( exceptionInfo );
1996 (void) DestroyExceptionInfo( &exceptionInfo );
1999 // Sharpen pixels in image
2000 void Magick::Image::sharpen ( const double radius_, const double sigma_ )
2002 ExceptionInfo exceptionInfo;
2003 GetExceptionInfo( &exceptionInfo );
2004 MagickCore::Image* newImage =
2005 SharpenImage( image(),
2009 replaceImage( newImage );
2010 throwException( exceptionInfo );
2011 (void) DestroyExceptionInfo( &exceptionInfo );
2014 void Magick::Image::sharpenChannel ( const ChannelType channel_,
2015 const double radius_, const double sigma_ )
2017 ExceptionInfo exceptionInfo;
2018 GetExceptionInfo( &exceptionInfo );
2019 ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
2020 MagickCore::Image* newImage =
2021 SharpenImage( image(),
2025 (void) SetPixelChannelMask( image(), channel_mask );
2026 replaceImage( newImage );
2027 throwException( exceptionInfo );
2028 (void) DestroyExceptionInfo( &exceptionInfo );
2031 // Shave pixels from image edges.
2032 void Magick::Image::shave ( const Geometry &geometry_ )
2034 RectangleInfo shaveInfo = geometry_;
2035 ExceptionInfo exceptionInfo;
2036 GetExceptionInfo( &exceptionInfo );
2037 MagickCore::Image* newImage =
2038 ShaveImage( image(),
2041 replaceImage( newImage );
2042 throwException( exceptionInfo );
2043 (void) DestroyExceptionInfo( &exceptionInfo );
2047 void Magick::Image::shear ( const double xShearAngle_,
2048 const double yShearAngle_ )
2050 ExceptionInfo exceptionInfo;
2051 GetExceptionInfo( &exceptionInfo );
2052 MagickCore::Image* newImage =
2053 ShearImage( image(),
2057 replaceImage( newImage );
2058 throwException( exceptionInfo );
2059 (void) DestroyExceptionInfo( &exceptionInfo );
2063 void Magick::Image::sigmoidalContrast ( const size_t sharpen_, const double contrast, const double midpoint )
2065 ExceptionInfo exceptionInfo;
2066 GetExceptionInfo( &exceptionInfo );
2068 (void) SigmoidalContrastImage( image(), (MagickBooleanType) sharpen_, contrast, midpoint, &exceptionInfo );
2069 throwException( exceptionInfo );
2070 (void) DestroyExceptionInfo( &exceptionInfo );
2073 // Solarize image (similar to effect seen when exposing a photographic
2074 // film to light during the development process)
2075 void Magick::Image::solarize ( const double factor_ )
2077 ExceptionInfo exceptionInfo;
2078 GetExceptionInfo( &exceptionInfo );
2080 SolarizeImage ( image(), factor_, &exceptionInfo );
2081 throwException( exceptionInfo );
2082 (void) DestroyExceptionInfo( &exceptionInfo );
2085 // Sparse color image, given a set of coordinates, interpolates the colors
2086 // found at those coordinates, across the whole image, using various methods.
2088 void Magick::Image::sparseColor ( const ChannelType channel,
2089 const SparseColorMethod method,
2090 const size_t number_arguments,
2091 const double *arguments )
2093 ExceptionInfo exceptionInfo;
2094 GetExceptionInfo( &exceptionInfo );
2096 ChannelType channel_mask = SetImageChannelMask( image(), channel );
2097 MagickCore::Image* newImage = SparseColorImage ( image(), method,
2098 number_arguments, arguments, &exceptionInfo );
2099 (void) SetPixelChannelMask( image(), channel_mask );
2100 replaceImage( newImage );
2101 throwException( exceptionInfo );
2102 (void) DestroyExceptionInfo( &exceptionInfo );
2105 // Spread pixels randomly within image by specified ammount
2106 void Magick::Image::spread ( const size_t amount_ )
2108 ExceptionInfo exceptionInfo;
2109 GetExceptionInfo( &exceptionInfo );
2110 MagickCore::Image* newImage =
2111 SpreadImage( image(),
2113 image()->interpolate,
2115 replaceImage( newImage );
2116 throwException( exceptionInfo );
2117 (void) DestroyExceptionInfo( &exceptionInfo );
2120 // Add a digital watermark to the image (based on second image)
2121 void Magick::Image::stegano ( const Image &watermark_ )
2123 ExceptionInfo exceptionInfo;
2124 GetExceptionInfo( &exceptionInfo );
2125 MagickCore::Image* newImage =
2126 SteganoImage( image(),
2127 watermark_.constImage(),
2129 replaceImage( newImage );
2130 throwException( exceptionInfo );
2131 (void) DestroyExceptionInfo( &exceptionInfo );
2134 // Stereo image (left image is current image)
2135 void Magick::Image::stereo ( const Image &rightImage_ )
2137 ExceptionInfo exceptionInfo;
2138 GetExceptionInfo( &exceptionInfo );
2139 MagickCore::Image* newImage =
2140 StereoImage( image(),
2141 rightImage_.constImage(),
2143 replaceImage( newImage );
2144 throwException( exceptionInfo );
2145 (void) DestroyExceptionInfo( &exceptionInfo );
2149 void Magick::Image::swirl ( const double degrees_ )
2151 ExceptionInfo exceptionInfo;
2152 GetExceptionInfo( &exceptionInfo );
2153 MagickCore::Image* newImage =
2154 SwirlImage( image(), degrees_, image()->interpolate,
2156 replaceImage( newImage );
2157 throwException( exceptionInfo );
2158 (void) DestroyExceptionInfo( &exceptionInfo );
2162 void Magick::Image::texture ( const Image &texture_ )
2165 ExceptionInfo exceptionInfo;
2166 GetExceptionInfo( &exceptionInfo );
2167 TextureImage( image(), texture_.constImage(), &exceptionInfo );
2168 throwException( exceptionInfo );
2169 (void) DestroyExceptionInfo( &exceptionInfo );
2173 void Magick::Image::threshold ( const double threshold_ )
2176 ExceptionInfo exceptionInfo;
2177 GetExceptionInfo( &exceptionInfo );
2178 BilevelImage( image(), threshold_, &exceptionInfo );
2179 throwException( exceptionInfo );
2180 (void) DestroyExceptionInfo( &exceptionInfo );
2183 // Transform image based on image geometry only
2184 void Magick::Image::transform ( const Geometry &imageGeometry_ )
2187 ExceptionInfo exceptionInfo;
2188 GetExceptionInfo( &exceptionInfo );
2189 TransformImage ( &(image()), 0,
2190 std::string(imageGeometry_).c_str(), &exceptionInfo );
2191 throwException( exceptionInfo );
2192 (void) DestroyExceptionInfo( &exceptionInfo );
2194 // Transform image based on image and crop geometries
2195 void Magick::Image::transform ( const Geometry &imageGeometry_,
2196 const Geometry &cropGeometry_ )
2199 ExceptionInfo exceptionInfo;
2200 GetExceptionInfo( &exceptionInfo );
2201 TransformImage ( &(image()), std::string(cropGeometry_).c_str(),
2202 std::string(imageGeometry_).c_str(), &exceptionInfo );
2203 throwException( exceptionInfo );
2204 (void) DestroyExceptionInfo( &exceptionInfo );
2207 // Add matte image to image, setting pixels matching color to transparent
2208 void Magick::Image::transparent ( const Color &color_ )
2210 if ( !color_.isValid() )
2212 throwExceptionExplicit( OptionError,
2213 "Color argument is invalid" );
2216 std::string color = color_;
2219 ExceptionInfo exceptionInfo;
2220 GetExceptionInfo( &exceptionInfo );
2221 (void) QueryColorCompliance(std::string(color_).c_str(),AllCompliance,
2222 &target,&exceptionInfo);
2224 TransparentPaintImage ( image(), &target, TransparentAlpha, MagickFalse,
2226 throwException( exceptionInfo );
2227 (void) DestroyExceptionInfo( &exceptionInfo );
2230 // Add matte image to image, setting pixels matching color to transparent
2231 void Magick::Image::transparentChroma(const Color &colorLow_,
2232 const Color &colorHigh_)
2234 if ( !colorLow_.isValid() || !colorHigh_.isValid() )
2236 throwExceptionExplicit( OptionError,
2237 "Color argument is invalid" );
2240 std::string colorLow = colorLow_;
2241 std::string colorHigh = colorHigh_;
2243 PixelInfo targetLow;
2244 PixelInfo targetHigh;
2245 ExceptionInfo exceptionInfo;
2246 GetExceptionInfo( &exceptionInfo );
2247 (void) QueryColorCompliance(std::string(colorLow_).c_str(),
2248 AllCompliance,&targetLow,&exceptionInfo);
2249 (void) QueryColorCompliance(std::string(colorHigh_).c_str(),
2250 AllCompliance,&targetHigh,&exceptionInfo);
2252 TransparentPaintImageChroma ( image(), &targetLow, &targetHigh,
2253 TransparentAlpha, MagickFalse, &exceptionInfo );
2254 throwException( exceptionInfo );
2255 (void) DestroyExceptionInfo( &exceptionInfo );
2259 // Trim edges that are the background color from the image
2260 void Magick::Image::trim ( void )
2262 ExceptionInfo exceptionInfo;
2263 GetExceptionInfo( &exceptionInfo );
2264 MagickCore::Image* newImage =
2265 TrimImage( image(), &exceptionInfo);
2266 replaceImage( newImage );
2267 throwException( exceptionInfo );
2268 (void) DestroyExceptionInfo( &exceptionInfo );
2271 // Replace image with a sharpened version of the original image
2272 // using the unsharp mask algorithm.
2274 // the radius of the Gaussian, in pixels, not counting the
2277 // the standard deviation of the Gaussian, in pixels.
2279 // the percentage of the difference between the original and
2280 // the blur image that is added back into the original.
2282 // the threshold in pixels needed to apply the diffence amount.
2283 void Magick::Image::unsharpmask ( const double radius_,
2284 const double sigma_,
2285 const double amount_,
2286 const double threshold_ )
2288 ExceptionInfo exceptionInfo;
2289 GetExceptionInfo( &exceptionInfo );
2290 MagickCore::Image* newImage =
2291 UnsharpMaskImage( image(),
2297 replaceImage( newImage );
2298 throwException( exceptionInfo );
2299 (void) DestroyExceptionInfo( &exceptionInfo );
2302 void Magick::Image::unsharpmaskChannel ( const ChannelType channel_,
2303 const double radius_,
2304 const double sigma_,
2305 const double amount_,
2306 const double threshold_ )
2308 ExceptionInfo exceptionInfo;
2309 GetExceptionInfo( &exceptionInfo );
2310 ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
2311 MagickCore::Image* newImage =
2312 UnsharpMaskImage( image(),
2318 (void) SetPixelChannelMask( image(), channel_mask );
2319 replaceImage( newImage );
2320 throwException( exceptionInfo );
2321 (void) DestroyExceptionInfo( &exceptionInfo );
2324 // Map image pixels to a sine wave
2325 void Magick::Image::wave ( const double amplitude_, const double wavelength_ )
2327 ExceptionInfo exceptionInfo;
2328 GetExceptionInfo( &exceptionInfo );
2329 MagickCore::Image* newImage =
2333 image()->interpolate,
2335 replaceImage( newImage );
2336 throwException( exceptionInfo );
2337 (void) DestroyExceptionInfo( &exceptionInfo );
2340 // Write image to file
2341 void Magick::Image::write( const std::string &imageSpec_ )
2343 ExceptionInfo exceptionInfo;
2344 GetExceptionInfo( &exceptionInfo );
2346 fileName( imageSpec_ );
2347 WriteImage( imageInfo(), image(), &exceptionInfo );
2348 throwException( exceptionInfo );
2349 (void) DestroyExceptionInfo( &exceptionInfo );
2352 // Write image to in-memory BLOB
2353 void Magick::Image::write ( Blob *blob_ )
2356 size_t length = 2048; // Efficient size for small images
2357 ExceptionInfo exceptionInfo;
2358 GetExceptionInfo( &exceptionInfo );
2359 void* data = ImageToBlob( imageInfo(),
2363 throwException( exceptionInfo );
2364 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2365 throwImageException();
2366 (void) DestroyExceptionInfo( &exceptionInfo );
2368 void Magick::Image::write ( Blob *blob_,
2369 const std::string &magick_ )
2373 size_t length = 2048; // Efficient size for small images
2374 ExceptionInfo exceptionInfo;
2375 GetExceptionInfo( &exceptionInfo );
2376 void* data = ImageToBlob( imageInfo(),
2380 throwException( exceptionInfo );
2381 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2382 throwImageException();
2383 (void) DestroyExceptionInfo( &exceptionInfo );
2385 void Magick::Image::write ( Blob *blob_,
2386 const std::string &magick_,
2387 const size_t depth_ )
2392 size_t length = 2048; // Efficient size for small images
2393 ExceptionInfo exceptionInfo;
2394 GetExceptionInfo( &exceptionInfo );
2395 void* data = ImageToBlob( imageInfo(),
2399 throwException( exceptionInfo );
2400 blob_->updateNoCopy( data, length, Blob::MallocAllocator );
2401 throwImageException();
2402 (void) DestroyExceptionInfo( &exceptionInfo );
2405 // Write image to an array of pixels with storage type specified
2406 // by user (ExportImagePixels), e.g.
2407 // image.write( 0, 0, 640, 1, "RGB", 0, pixels );
2408 void Magick::Image::write ( const ssize_t x_,
2410 const size_t columns_,
2412 const std::string &map_,
2413 const StorageType type_,
2416 ExceptionInfo exceptionInfo;
2417 GetExceptionInfo( &exceptionInfo );
2418 ExportImagePixels( image(), x_, y_, columns_, rows_, map_.c_str(), type_,
2421 throwException( exceptionInfo );
2422 (void) DestroyExceptionInfo( &exceptionInfo );
2426 void Magick::Image::zoom( const Geometry &geometry_ )
2428 // Calculate new size. This code should be supported using binary arguments
2429 // in the ImageMagick library.
2432 size_t width = columns();
2433 size_t height = rows();
2435 ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
2439 ExceptionInfo exceptionInfo;
2440 GetExceptionInfo( &exceptionInfo );
2441 MagickCore::Image* newImage =
2442 ResizeImage( image(),
2447 replaceImage( newImage );
2448 throwException( exceptionInfo );
2449 (void) DestroyExceptionInfo( &exceptionInfo );
2453 * Methods for setting image attributes
2457 // Join images into a single multi-image file
2458 void Magick::Image::adjoin ( const bool flag_ )
2461 options()->adjoin( flag_ );
2463 bool Magick::Image::adjoin ( void ) const
2465 return constOptions()->adjoin();
2468 // Remove pixel aliasing
2469 void Magick::Image::antiAlias( const bool flag_ )
2472 options()->antiAlias( static_cast<size_t>(flag_) );
2474 bool Magick::Image::antiAlias( void )
2476 return static_cast<bool>( options()->antiAlias( ) );
2479 // Animation inter-frame delay
2480 void Magick::Image::animationDelay ( const size_t delay_ )
2483 image()->delay = delay_;
2485 size_t Magick::Image::animationDelay ( void ) const
2487 return constImage()->delay;
2490 // Number of iterations to play animation
2491 void Magick::Image::animationIterations ( const size_t iterations_ )
2494 image()->iterations = iterations_;
2496 size_t Magick::Image::animationIterations ( void ) const
2498 return constImage()->iterations;
2501 // Access/Update a named image attribute
2502 void Magick::Image::attribute ( const std::string name_,
2503 const std::string value_ )
2506 ExceptionInfo exceptionInfo;
2507 GetExceptionInfo( &exceptionInfo );
2508 SetImageProperty( image(), name_.c_str(), value_.c_str(), &exceptionInfo );
2509 throwException( exceptionInfo );
2510 (void) DestroyExceptionInfo( &exceptionInfo );
2512 std::string Magick::Image::attribute ( const std::string name_ )
2514 ExceptionInfo exceptionInfo;
2515 GetExceptionInfo( &exceptionInfo );
2516 const char *value = GetImageProperty( constImage(), name_.c_str(),
2518 throwException( exceptionInfo );
2519 (void) DestroyExceptionInfo( &exceptionInfo );
2522 return std::string( value );
2524 return std::string(); // Intentionally no exception
2528 void Magick::Image::backgroundColor ( const Color &backgroundColor_ )
2532 if ( backgroundColor_.isValid() )
2534 image()->background_color = backgroundColor_;
2538 image()->background_color = Color();
2541 options()->backgroundColor( backgroundColor_ );
2543 Magick::Color Magick::Image::backgroundColor ( void ) const
2545 return constOptions()->backgroundColor( );
2548 // Background fill texture
2549 void Magick::Image::backgroundTexture ( const std::string &backgroundTexture_ )
2552 options()->backgroundTexture( backgroundTexture_ );
2554 std::string Magick::Image::backgroundTexture ( void ) const
2556 return constOptions()->backgroundTexture( );
2559 // Original image columns
2560 size_t Magick::Image::baseColumns ( void ) const
2562 return constImage()->magick_columns;
2565 // Original image name
2566 std::string Magick::Image::baseFilename ( void ) const
2568 return std::string(constImage()->magick_filename);
2571 // Original image rows
2572 size_t Magick::Image::baseRows ( void ) const
2574 return constImage()->magick_rows;
2578 void Magick::Image::borderColor ( const Color &borderColor_ )
2582 if ( borderColor_.isValid() )
2584 image()->border_color = borderColor_;
2588 image()->border_color = Color();
2591 options()->borderColor( borderColor_ );
2593 Magick::Color Magick::Image::borderColor ( void ) const
2595 return constOptions()->borderColor( );
2598 // Return smallest bounding box enclosing non-border pixels. The
2599 // current fuzz value is used when discriminating between pixels.
2600 // This is the crop bounding box used by crop(Geometry(0,0));
2601 Magick::Geometry Magick::Image::boundingBox ( void ) const
2603 ExceptionInfo exceptionInfo;
2604 GetExceptionInfo( &exceptionInfo );
2605 RectangleInfo bbox = GetImageBoundingBox( constImage(), &exceptionInfo);
2606 throwException( exceptionInfo );
2607 (void) DestroyExceptionInfo( &exceptionInfo );
2608 return Geometry( bbox );
2611 // Text bounding-box base color
2612 void Magick::Image::boxColor ( const Color &boxColor_ )
2615 options()->boxColor( boxColor_ );
2617 Magick::Color Magick::Image::boxColor ( void ) const
2619 return constOptions()->boxColor( );
2622 // Pixel cache threshold. Once this threshold is exceeded, all
2623 // subsequent pixels cache operations are to/from disk.
2624 // This setting is shared by all Image objects.
2626 void Magick::Image::cacheThreshold ( const size_t threshold_ )
2628 SetMagickResourceLimit( MemoryResource, threshold_ );
2631 void Magick::Image::chromaBluePrimary ( const double x_, const double y_ )
2634 image()->chromaticity.blue_primary.x = x_;
2635 image()->chromaticity.blue_primary.y = y_;
2637 void Magick::Image::chromaBluePrimary ( double *x_, double *y_ ) const
2639 *x_ = constImage()->chromaticity.blue_primary.x;
2640 *y_ = constImage()->chromaticity.blue_primary.y;
2643 void Magick::Image::chromaGreenPrimary ( const double x_, const double y_ )
2646 image()->chromaticity.green_primary.x = x_;
2647 image()->chromaticity.green_primary.y = y_;
2649 void Magick::Image::chromaGreenPrimary ( double *x_, double *y_ ) const
2651 *x_ = constImage()->chromaticity.green_primary.x;
2652 *y_ = constImage()->chromaticity.green_primary.y;
2655 void Magick::Image::chromaRedPrimary ( const double x_, const double y_ )
2658 image()->chromaticity.red_primary.x = x_;
2659 image()->chromaticity.red_primary.y = y_;
2661 void Magick::Image::chromaRedPrimary ( double *x_, double *y_ ) const
2663 *x_ = constImage()->chromaticity.red_primary.x;
2664 *y_ = constImage()->chromaticity.red_primary.y;
2667 void Magick::Image::chromaWhitePoint ( const double x_, const double y_ )
2670 image()->chromaticity.white_point.x = x_;
2671 image()->chromaticity.white_point.y = y_;
2673 void Magick::Image::chromaWhitePoint ( double *x_, double *y_ ) const
2675 *x_ = constImage()->chromaticity.white_point.x;
2676 *y_ = constImage()->chromaticity.white_point.y;
2679 // Set image storage class
2680 void Magick::Image::classType ( const ClassType class_ )
2682 if ( classType() == PseudoClass && class_ == DirectClass )
2684 // Use SyncImage to synchronize the DirectClass pixels with the
2685 // color map and then set to DirectClass type.
2687 ExceptionInfo exceptionInfo;
2688 GetExceptionInfo( &exceptionInfo );
2689 SyncImage( image(), &exceptionInfo );
2690 throwException( exceptionInfo );
2691 (void) DestroyExceptionInfo( &exceptionInfo );
2692 image()->colormap = (PixelInfo *)
2693 RelinquishMagickMemory( image()->colormap );
2694 image()->storage_class = static_cast<MagickCore::ClassType>(DirectClass);
2698 if ( classType() == DirectClass && class_ == PseudoClass )
2700 // Quantize to create PseudoClass color map
2702 quantizeColors(MaxColormapSize);
2704 image()->storage_class = static_cast<MagickCore::ClassType>(PseudoClass);
2708 // Associate a clip mask with the image. The clip mask must be the
2709 // same dimensions as the image. Pass an invalid image to unset an
2710 // existing clip mask.
2711 void Magick::Image::clipMask ( const Magick::Image & clipMask_ )
2715 ExceptionInfo exceptionInfo;
2716 GetExceptionInfo( &exceptionInfo );
2717 if( clipMask_.isValid() )
2720 SetImageMask( image(), clipMask_.constImage(), &exceptionInfo );
2724 // Unset existing clip mask
2725 SetImageMask( image(), 0, &exceptionInfo );
2727 throwException( exceptionInfo );
2728 (void) DestroyExceptionInfo( &exceptionInfo );
2730 Magick::Image Magick::Image::clipMask ( void ) const
2732 ExceptionInfo exceptionInfo;
2733 GetExceptionInfo( &exceptionInfo );
2734 MagickCore::Image* image = GetImageMask( constImage(), &exceptionInfo );
2735 throwException( exceptionInfo );
2736 (void) DestroyExceptionInfo( &exceptionInfo );
2737 return Magick::Image( image );
2740 void Magick::Image::colorFuzz ( const double fuzz_ )
2743 image()->fuzz = fuzz_;
2744 options()->colorFuzz( fuzz_ );
2746 double Magick::Image::colorFuzz ( void ) const
2748 return constOptions()->colorFuzz( );
2751 // Set color in colormap at index
2752 void Magick::Image::colorMap ( const size_t index_,
2753 const Color &color_ )
2755 MagickCore::Image* imageptr = image();
2757 if (index_ > (MaxColormapSize-1) )
2758 throwExceptionExplicit( OptionError,
2759 "Colormap index must be less than MaxColormapSize" );
2761 if ( !color_.isValid() )
2762 throwExceptionExplicit( OptionError,
2763 "Color argument is invalid");
2766 // Ensure that colormap size is large enough
2767 if ( colorMapSize() < (index_+1) )
2768 colorMapSize( index_ + 1 );
2770 // Set color at index in colormap
2771 (imageptr->colormap)[index_] = color_;
2773 // Return color in colormap at index
2774 Magick::Color Magick::Image::colorMap ( const size_t index_ ) const
2776 const MagickCore::Image* imageptr = constImage();
2778 if ( !imageptr->colormap )
2779 throwExceptionExplicit( OptionError,
2780 "Image does not contain a colormap");
2782 if ( index_ > imageptr->colors-1 )
2783 throwExceptionExplicit( OptionError,
2784 "Index out of range");
2786 return Magick::Color( (imageptr->colormap)[index_] );
2789 // Colormap size (number of colormap entries)
2790 void Magick::Image::colorMapSize ( const size_t entries_ )
2792 if (entries_ >MaxColormapSize )
2793 throwExceptionExplicit( OptionError,
2794 "Colormap entries must not exceed MaxColormapSize" );
2798 MagickCore::Image* imageptr = image();
2800 if( !imageptr->colormap )
2802 // Allocate colormap
2803 imageptr->colormap =
2804 static_cast<PixelInfo*>(AcquireMagickMemory(entries_*sizeof(PixelInfo)));
2805 imageptr->colors = 0;
2807 else if ( entries_ > imageptr->colors )
2809 // Re-allocate colormap
2810 imageptr->colormap=(PixelInfo *)
2811 ResizeMagickMemory(imageptr->colormap,(entries_)*sizeof(PixelInfo));
2814 // Initialize any new colormap entries as all black
2816 for( size_t i=imageptr->colors; i<(entries_-1); i++ )
2817 (imageptr->colormap)[i] = black;
2819 imageptr->colors = entries_;
2821 size_t Magick::Image::colorMapSize ( void )
2823 const MagickCore::Image* imageptr = constImage();
2825 if ( !imageptr->colormap )
2826 throwExceptionExplicit( OptionError,
2827 "Image does not contain a colormap");
2829 return imageptr->colors;
2833 void Magick::Image::colorSpace( const ColorspaceType colorSpace_ )
2835 if ( image()->colorspace == colorSpace_ )
2839 ExceptionInfo exceptionInfo;
2840 GetExceptionInfo( &exceptionInfo );
2841 TransformImageColorspace(image(), colorSpace_, &exceptionInfo);
2842 throwException( exceptionInfo );
2843 (void) DestroyExceptionInfo( &exceptionInfo );
2845 Magick::ColorspaceType Magick::Image::colorSpace ( void ) const
2847 return constImage()->colorspace;
2850 // Set image colorspace type.
2851 void Magick::Image::colorspaceType( const ColorspaceType colorSpace_ )
2854 ExceptionInfo exceptionInfo;
2855 GetExceptionInfo( &exceptionInfo );
2856 SetImageColorspace(image(), colorSpace_, &exceptionInfo);
2857 throwException( exceptionInfo );
2858 (void) DestroyExceptionInfo( &exceptionInfo );
2859 options()->colorspaceType( colorSpace_ );
2861 Magick::ColorspaceType Magick::Image::colorspaceType ( void ) const
2863 return constOptions()->colorspaceType();
2868 void Magick::Image::comment ( const std::string &comment_ )
2871 ExceptionInfo exceptionInfo;
2872 GetExceptionInfo( &exceptionInfo );
2873 SetImageProperty( image(), "Comment", NULL, &exceptionInfo );
2874 if ( comment_.length() > 0 )
2875 SetImageProperty( image(), "Comment", comment_.c_str(), &exceptionInfo );
2876 throwException( exceptionInfo );
2877 (void) DestroyExceptionInfo( &exceptionInfo );
2879 std::string Magick::Image::comment ( void ) const
2881 ExceptionInfo exceptionInfo;
2882 GetExceptionInfo( &exceptionInfo );
2883 const char *value = GetImageProperty( constImage(), "Comment",
2885 throwException( exceptionInfo );
2886 (void) DestroyExceptionInfo( &exceptionInfo );
2889 return std::string( value );
2891 return std::string(); // Intentionally no exception
2894 // Composition operator to be used when composition is implicitly used
2895 // (such as for image flattening).
2896 void Magick::Image::compose (const CompositeOperator compose_)
2898 image()->compose=compose_;
2901 Magick::CompositeOperator Magick::Image::compose ( void ) const
2903 return constImage()->compose;
2906 // Compression algorithm
2907 void Magick::Image::compressType ( const CompressionType compressType_ )
2910 image()->compression = compressType_;
2911 options()->compressType( compressType_ );
2913 Magick::CompressionType Magick::Image::compressType ( void ) const
2915 return constImage()->compression;
2918 // Enable printing of debug messages from ImageMagick
2919 void Magick::Image::debug ( const bool flag_ )
2922 options()->debug( flag_ );
2924 bool Magick::Image::debug ( void ) const
2926 return constOptions()->debug();
2929 // Tagged image format define (set/access coder-specific option) The
2930 // magick_ option specifies the coder the define applies to. The key_
2931 // option provides the key specific to that coder. The value_ option
2932 // provides the value to set (if any). See the defineSet() method if the
2933 // key must be removed entirely.
2934 void Magick::Image::defineValue ( const std::string &magick_,
2935 const std::string &key_,
2936 const std::string &value_ )
2939 std::string format = magick_ + ":" + key_;
2940 std::string option = value_;
2941 (void) SetImageOption ( imageInfo(), format.c_str(), option.c_str() );
2943 std::string Magick::Image::defineValue ( const std::string &magick_,
2944 const std::string &key_ ) const
2946 std::string definition = magick_ + ":" + key_;
2947 const char *option =
2948 GetImageOption ( constImageInfo(), definition.c_str() );
2950 return std::string( option );
2951 return std::string( );
2954 // Tagged image format define. Similar to the defineValue() method
2955 // except that passing the flag_ value 'true' creates a value-less
2956 // define with that format and key. Passing the flag_ value 'false'
2957 // removes any existing matching definition. The method returns 'true'
2958 // if a matching key exists, and 'false' if no matching key exists.
2959 void Magick::Image::defineSet ( const std::string &magick_,
2960 const std::string &key_,
2964 std::string definition = magick_ + ":" + key_;
2967 (void) SetImageOption ( imageInfo(), definition.c_str(), "" );
2971 DeleteImageOption( imageInfo(), definition.c_str() );
2974 bool Magick::Image::defineSet ( const std::string &magick_,
2975 const std::string &key_ ) const
2977 std::string key = magick_ + ":" + key_;
2978 const char *option =
2979 GetImageOption ( constImageInfo(), key.c_str() );
2986 void Magick::Image::density ( const Geometry &density_ )
2989 options()->density( density_ );
2990 if ( density_.isValid() )
2992 image()->resolution.x = density_.width();
2993 if ( density_.height() != 0 )
2995 image()->resolution.y = density_.height();
2999 image()->resolution.y = density_.width();
3005 image()->resolution.x = 0;
3006 image()->resolution.y = 0;
3009 Magick::Geometry Magick::Image::density ( void ) const
3013 ssize_t x_resolution=72;
3014 ssize_t y_resolution=72;
3016 if (constImage()->resolution.x > 0.0)
3017 x_resolution=static_cast<ssize_t>(constImage()->resolution.x + 0.5);
3019 if (constImage()->resolution.y > 0.0)
3020 y_resolution=static_cast<ssize_t>(constImage()->resolution.y + 0.5);
3022 return Geometry(x_resolution,y_resolution);
3025 return constOptions()->density( );
3028 // Image depth (bits allocated to red/green/blue components)
3029 void Magick::Image::depth ( const size_t depth_ )
3031 size_t depth = depth_;
3033 if (depth > MAGICKCORE_QUANTUM_DEPTH)
3034 depth=MAGICKCORE_QUANTUM_DEPTH;
3037 image()->depth=depth;
3038 options()->depth( depth );
3040 size_t Magick::Image::depth ( void ) const
3042 return constImage()->depth;
3045 std::string Magick::Image::directory ( void ) const
3047 if ( constImage()->directory )
3048 return std::string( constImage()->directory );
3050 throwExceptionExplicit( CorruptImageWarning,
3051 "Image does not contain a directory");
3053 return std::string();
3056 // Endianness (little like Intel or big like SPARC) for image
3057 // formats which support endian-specific options.
3058 void Magick::Image::endian ( const Magick::EndianType endian_ )
3061 options()->endian( endian_ );
3062 image()->endian = endian_;
3064 Magick::EndianType Magick::Image::endian ( void ) const
3066 return constImage()->endian;
3069 // EXIF profile (BLOB)
3070 void Magick::Image::exifProfile( const Magick::Blob &exifProfile_ )
3073 if ( exifProfile_.data() != 0 )
3075 StringInfo * exif_profile = AcquireStringInfo( exifProfile_.length() );
3076 SetStringInfoDatum(exif_profile ,(unsigned char *) exifProfile_.data());
3077 ExceptionInfo exceptionInfo;
3078 GetExceptionInfo( &exceptionInfo );
3079 (void) SetImageProfile( image(), "exif", exif_profile, &exceptionInfo);
3080 exif_profile =DestroyStringInfo( exif_profile );
3081 throwException( exceptionInfo );
3082 (void) DestroyExceptionInfo( &exceptionInfo );
3085 Magick::Blob Magick::Image::exifProfile( void ) const
3087 const StringInfo * exif_profile = GetImageProfile( constImage(), "exif" );
3088 if ( exif_profile == (StringInfo *) NULL)
3089 return Blob( 0, 0 );
3090 return Blob(GetStringInfoDatum(exif_profile),GetStringInfoLength(exif_profile));
3094 void Magick::Image::fileName ( const std::string &fileName_ )
3098 fileName_.copy( image()->filename,
3099 sizeof(image()->filename) - 1 );
3100 image()->filename[ fileName_.length() ] = 0; // Null terminate
3102 options()->fileName( fileName_ );
3105 std::string Magick::Image::fileName ( void ) const
3107 return constOptions()->fileName( );
3111 off_t Magick::Image::fileSize ( void ) const
3113 return (off_t) GetBlobSize( constImage() );
3116 // Color to use when drawing inside an object
3117 void Magick::Image::fillColor ( const Magick::Color &fillColor_ )
3120 options()->fillColor(fillColor_);
3122 Magick::Color Magick::Image::fillColor ( void ) const
3124 return constOptions()->fillColor();
3127 // Rule to use when filling drawn objects
3128 void Magick::Image::fillRule ( const Magick::FillRule &fillRule_ )
3131 options()->fillRule(fillRule_);
3133 Magick::FillRule Magick::Image::fillRule ( void ) const
3135 return constOptions()->fillRule();
3138 // Pattern to use while filling drawn objects.
3139 void Magick::Image::fillPattern ( const Image &fillPattern_ )
3142 if(fillPattern_.isValid())
3143 options()->fillPattern( fillPattern_.constImage() );
3145 options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
3147 Magick::Image Magick::Image::fillPattern ( void ) const
3149 // FIXME: This is inordinately innefficient
3152 const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
3156 ExceptionInfo exceptionInfo;
3157 GetExceptionInfo( &exceptionInfo );
3158 MagickCore::Image* image =
3159 CloneImage( tmpTexture,
3162 MagickTrue, // orphan
3164 texture.replaceImage( image );
3165 throwException( exceptionInfo );
3166 (void) DestroyExceptionInfo( &exceptionInfo );
3171 // Filter used by zoom
3172 void Magick::Image::filterType ( const Magick::FilterTypes filterType_ )
3175 image()->filter = filterType_;
3177 Magick::FilterTypes Magick::Image::filterType ( void ) const
3179 return constImage()->filter;
3183 void Magick::Image::font ( const std::string &font_ )
3186 options()->font( font_ );
3188 std::string Magick::Image::font ( void ) const
3190 return constOptions()->font( );
3194 void Magick::Image::fontPointsize ( const double pointSize_ )
3197 options()->fontPointsize( pointSize_ );
3199 double Magick::Image::fontPointsize ( void ) const
3201 return constOptions()->fontPointsize( );
3204 // Font type metrics
3205 void Magick::Image::fontTypeMetrics( const std::string &text_,
3206 TypeMetric *metrics )
3208 DrawInfo *drawInfo = options()->drawInfo();
3209 drawInfo->text = const_cast<char *>(text_.c_str());
3210 ExceptionInfo exceptionInfo;
3211 GetExceptionInfo( &exceptionInfo );
3212 GetTypeMetrics( image(), drawInfo, &(metrics->_typeMetric), &exceptionInfo );
3214 throwException( exceptionInfo );
3215 (void) DestroyExceptionInfo( &exceptionInfo );
3218 // Image format string
3219 std::string Magick::Image::format ( void ) const
3221 ExceptionInfo exceptionInfo;
3222 GetExceptionInfo( &exceptionInfo );
3223 const MagickInfo * magick_info
3224 = GetMagickInfo( constImage()->magick, &exceptionInfo);
3225 throwException( exceptionInfo );
3226 (void) DestroyExceptionInfo( &exceptionInfo );
3228 if (( magick_info != 0 ) &&
3229 ( *magick_info->description != '\0' ))
3230 return std::string(magick_info->description);
3232 throwExceptionExplicit( CorruptImageWarning,
3233 "Unrecognized image magick type" );
3234 return std::string();
3238 double Magick::Image::gamma ( void ) const
3240 return constImage()->gamma;
3243 Magick::Geometry Magick::Image::geometry ( void ) const
3245 if ( constImage()->geometry )
3247 return Geometry(constImage()->geometry);
3250 throwExceptionExplicit( OptionWarning,
3251 "Image does not contain a geometry");
3256 void Magick::Image::gifDisposeMethod ( const size_t disposeMethod_ )
3259 image()->dispose = (DisposeType) disposeMethod_;
3261 size_t Magick::Image::gifDisposeMethod ( void ) const
3263 // FIXME: It would be better to return an enumeration
3264 return constImage()->dispose;
3267 // ICC ICM color profile (BLOB)
3268 void Magick::Image::iccColorProfile( const Magick::Blob &colorProfile_ )
3270 profile("icm",colorProfile_);
3272 Magick::Blob Magick::Image::iccColorProfile( void ) const
3274 const StringInfo * color_profile = GetImageProfile( constImage(), "icc" );
3275 if ( color_profile == (StringInfo *) NULL)
3276 return Blob( 0, 0 );
3277 return Blob( GetStringInfoDatum(color_profile), GetStringInfoLength(color_profile) );
3280 void Magick::Image::interlaceType ( const Magick::InterlaceType interlace_ )
3283 image()->interlace = interlace_;
3284 options()->interlaceType ( interlace_ );
3286 Magick::InterlaceType Magick::Image::interlaceType ( void ) const
3288 return constImage()->interlace;
3291 // IPTC profile (BLOB)
3292 void Magick::Image::iptcProfile( const Magick::Blob &iptcProfile_ )
3295 if ( iptcProfile_.data() != 0 )
3297 StringInfo * iptc_profile = AcquireStringInfo( iptcProfile_.length() );
3298 SetStringInfoDatum(iptc_profile ,(unsigned char *) iptcProfile_.data());
3299 ExceptionInfo exceptionInfo;
3300 GetExceptionInfo( &exceptionInfo );
3301 (void) SetImageProfile( image(), "iptc", iptc_profile, &exceptionInfo);
3302 iptc_profile =DestroyStringInfo( iptc_profile );
3303 throwException( exceptionInfo );
3304 (void) DestroyExceptionInfo( &exceptionInfo );
3307 Magick::Blob Magick::Image::iptcProfile( void ) const
3309 const StringInfo * iptc_profile = GetImageProfile( constImage(), "iptc" );
3310 if ( iptc_profile == (StringInfo *) NULL)
3311 return Blob( 0, 0 );
3312 return Blob( GetStringInfoDatum(iptc_profile), GetStringInfoLength(iptc_profile));
3315 // Does object contain valid image?
3316 void Magick::Image::isValid ( const bool isValid_ )
3321 _imgRef = new ImageRef;
3323 else if ( !isValid() )
3325 // Construct with single-pixel black image to make
3326 // image valid. This is an obvious hack.
3327 size( Geometry(1,1) );
3328 read( "xc:#000000" );
3332 bool Magick::Image::isValid ( void ) const
3334 if ( rows() && columns() )
3341 void Magick::Image::label ( const std::string &label_ )
3344 ExceptionInfo exceptionInfo;
3345 GetExceptionInfo( &exceptionInfo );
3346 SetImageProperty ( image(), "Label", NULL, &exceptionInfo );
3347 if ( label_.length() > 0 )
3348 SetImageProperty ( image(), "Label", label_.c_str(), &exceptionInfo );
3349 throwException( exceptionInfo );
3350 (void) DestroyExceptionInfo( &exceptionInfo );
3352 std::string Magick::Image::label ( void ) const
3354 ExceptionInfo exceptionInfo;
3355 GetExceptionInfo( &exceptionInfo );
3356 const char *value = GetImageProperty( constImage(), "Label", &exceptionInfo );
3357 throwException( exceptionInfo );
3358 (void) DestroyExceptionInfo( &exceptionInfo );
3361 return std::string( value );
3363 return std::string();
3366 void Magick::Image::magick ( const std::string &magick_ )
3370 magick_.copy( image()->magick,
3371 sizeof(image()->magick) - 1 );
3372 image()->magick[ magick_.length() ] = 0;
3374 options()->magick( magick_ );
3376 std::string Magick::Image::magick ( void ) const
3378 if ( *(constImage()->magick) != '\0' )
3379 return std::string(constImage()->magick);
3381 return constOptions()->magick( );
3384 void Magick::Image::matte ( const bool matteFlag_ )
3388 // If matte channel is requested, but image doesn't already have a
3389 // matte channel, then create an opaque matte channel. Likewise, if
3390 // the image already has a matte channel but a matte channel is not
3391 // desired, then set the matte channel to opaque.
3392 ExceptionInfo exceptionInfo;
3393 GetExceptionInfo( &exceptionInfo );
3394 if ((matteFlag_ && !constImage()->alpha_trait) ||
3395 (constImage()->alpha_trait && !matteFlag_))
3396 SetImageAlpha(image(),OpaqueAlpha,&exceptionInfo);
3397 throwException( exceptionInfo );
3398 (void) DestroyExceptionInfo( &exceptionInfo );
3400 image()->alpha_trait = matteFlag_ ? BlendPixelTrait : UndefinedPixelTrait;
3402 bool Magick::Image::matte ( void ) const
3404 if ( constImage()->alpha_trait == BlendPixelTrait )
3410 void Magick::Image::matteColor ( const Color &matteColor_ )
3414 if ( matteColor_.isValid() )
3416 image()->matte_color = matteColor_;
3417 options()->matteColor( matteColor_ );
3421 // Set to default matte color
3422 Color tmpColor( "#BDBDBD" );
3423 image()->matte_color = tmpColor;
3424 options()->matteColor( tmpColor );
3427 Magick::Color Magick::Image::matteColor ( void ) const
3429 return Color( ClampToQuantum( constImage()->matte_color.red ),
3430 ClampToQuantum( constImage()->matte_color.green ),
3431 ClampToQuantum( constImage()->matte_color.blue ) );
3434 double Magick::Image::meanErrorPerPixel ( void ) const
3436 return(constImage()->error.mean_error_per_pixel);
3439 // Image modulus depth (minimum number of bits required to support
3440 // red/green/blue components without loss of accuracy)
3441 void Magick::Image::modulusDepth ( const size_t depth_ )
3444 ExceptionInfo exceptionInfo;
3445 GetExceptionInfo( &exceptionInfo );
3446 SetImageDepth( image(), depth_, &exceptionInfo );
3447 throwException( exceptionInfo );
3448 (void) DestroyExceptionInfo( &exceptionInfo );
3449 options()->depth( depth_ );
3451 size_t Magick::Image::modulusDepth ( void ) const
3453 ExceptionInfo exceptionInfo;
3454 GetExceptionInfo( &exceptionInfo );
3455 size_t depth=GetImageDepth( constImage(), &exceptionInfo );
3456 throwException( exceptionInfo );
3457 (void) DestroyExceptionInfo( &exceptionInfo );
3461 void Magick::Image::monochrome ( const bool monochromeFlag_ )
3464 options()->monochrome( monochromeFlag_ );
3466 bool Magick::Image::monochrome ( void ) const
3468 return constOptions()->monochrome( );
3471 Magick::Geometry Magick::Image::montageGeometry ( void ) const
3473 if ( constImage()->montage )
3474 return Magick::Geometry(constImage()->montage);
3476 throwExceptionExplicit( CorruptImageWarning,
3477 "Image does not contain a montage" );
3479 return Magick::Geometry();
3482 double Magick::Image::normalizedMaxError ( void ) const
3484 return(constImage()->error.normalized_maximum_error);
3487 double Magick::Image::normalizedMeanError ( void ) const
3489 return constImage()->error.normalized_mean_error;
3492 // Image orientation
3493 void Magick::Image::orientation ( const Magick::OrientationType orientation_ )
3496 image()->orientation = orientation_;
3498 Magick::OrientationType Magick::Image::orientation ( void ) const
3500 return constImage()->orientation;
3503 void Magick::Image::penColor ( const Color &penColor_ )
3506 options()->fillColor(penColor_);
3507 options()->strokeColor(penColor_);
3509 Magick::Color Magick::Image::penColor ( void ) const
3511 return constOptions()->fillColor();
3514 void Magick::Image::penTexture ( const Image &penTexture_ )
3517 if(penTexture_.isValid())
3518 options()->fillPattern( penTexture_.constImage() );
3520 options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
3523 Magick::Image Magick::Image::penTexture ( void ) const
3525 // FIXME: This is inordinately innefficient
3528 const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
3532 ExceptionInfo exceptionInfo;
3533 GetExceptionInfo( &exceptionInfo );
3534 MagickCore::Image* image =
3535 CloneImage( tmpTexture,
3538 MagickTrue, // orphan
3540 texture.replaceImage( image );
3541 throwException( exceptionInfo );
3542 (void) DestroyExceptionInfo( &exceptionInfo );
3547 // Set the color of a pixel.
3548 void Magick::Image::pixelColor ( const ssize_t x_, const ssize_t y_,
3549 const Color &color_ )
3551 // Test arguments to ensure they are within the image.
3552 if ( y_ > (ssize_t) rows() || x_ > (ssize_t) columns() )
3553 throwExceptionExplicit( OptionError,
3554 "Access outside of image boundary" );
3558 // Set image to DirectClass
3559 classType( DirectClass );
3562 Pixels pixels(*this);
3564 Quantum *pixel = pixels.get(x_, y_, 1, 1 );
3565 PixelInfo packet = color_;
3566 MagickCore::SetPixelInfoPixel(constImage(),&packet,pixel);
3567 // Tell ImageMagick that pixels have been updated
3573 // Get the color of a pixel
3574 Magick::Color Magick::Image::pixelColor ( const ssize_t x_,
3575 const ssize_t y_ ) const
3577 const Quantum* pixel = getConstPixels( x_, y_, 1, 1 );
3581 MagickCore::GetPixelInfoPixel(constImage(),pixel,&packet);
3582 return Color( packet );
3585 return Color(); // invalid
3588 // Preferred size and location of an image canvas.
3589 void Magick::Image::page ( const Magick::Geometry &pageSize_ )
3592 options()->page( pageSize_ );
3593 image()->page = pageSize_;
3595 Magick::Geometry Magick::Image::page ( void ) const
3597 return Geometry( constImage()->page.width,
3598 constImage()->page.height,
3599 AbsoluteValue(constImage()->page.x),
3600 AbsoluteValue(constImage()->page.y),
3601 constImage()->page.x < 0 ? true : false,
3602 constImage()->page.y < 0 ? true : false);
3605 // Add a named profile to an image or remove a named profile by
3606 // passing an empty Blob (use default Blob constructor).
3608 // "*", "8BIM", "ICM", "IPTC", or a generic profile name.
3609 void Magick::Image::profile( const std::string name_,
3610 const Magick::Blob &profile_ )
3613 ExceptionInfo exceptionInfo;
3614 GetExceptionInfo( &exceptionInfo );
3615 ssize_t result = ProfileImage( image(), name_.c_str(),
3616 (unsigned char *)profile_.data(),
3617 profile_.length(), &exceptionInfo);
3619 throwException( exceptionInfo );
3620 (void) DestroyExceptionInfo( &exceptionInfo );
3624 // Retrieve a named profile from the image.
3626 // "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC" or
3627 // an existing generic profile name.
3628 Magick::Blob Magick::Image::profile( const std::string name_ ) const
3630 const MagickCore::Image* image = constImage();
3632 const StringInfo * profile = GetImageProfile( image, name_.c_str() );
3634 if ( profile != (StringInfo *) NULL)
3635 return Blob( (void*) GetStringInfoDatum(profile), GetStringInfoLength(profile));
3638 Image temp_image = *this;
3639 temp_image.write( &blob, name_ );
3643 void Magick::Image::quality ( const size_t quality_ )
3646 image()->quality = quality_;
3647 options()->quality( quality_ );
3649 size_t Magick::Image::quality ( void ) const
3651 return constImage()->quality;
3654 void Magick::Image::quantizeColors ( const size_t colors_ )
3657 options()->quantizeColors( colors_ );
3659 size_t Magick::Image::quantizeColors ( void ) const
3661 return constOptions()->quantizeColors( );
3664 void Magick::Image::quantizeColorSpace
3665 ( const Magick::ColorspaceType colorSpace_ )
3668 options()->quantizeColorSpace( colorSpace_ );
3670 Magick::ColorspaceType Magick::Image::quantizeColorSpace ( void ) const
3672 return constOptions()->quantizeColorSpace( );
3675 void Magick::Image::quantizeDither ( const bool ditherFlag_ )
3678 options()->quantizeDither( ditherFlag_ );
3680 bool Magick::Image::quantizeDither ( void ) const
3682 return constOptions()->quantizeDither( );
3685 void Magick::Image::quantizeTreeDepth ( const size_t treeDepth_ )
3688 options()->quantizeTreeDepth( treeDepth_ );
3690 size_t Magick::Image::quantizeTreeDepth ( void ) const
3692 return constOptions()->quantizeTreeDepth( );
3695 void Magick::Image::renderingIntent
3696 ( const Magick::RenderingIntent renderingIntent_ )
3699 image()->rendering_intent = renderingIntent_;
3701 Magick::RenderingIntent Magick::Image::renderingIntent ( void ) const
3703 return static_cast<Magick::RenderingIntent>(constImage()->rendering_intent);
3706 void Magick::Image::resolutionUnits
3707 ( const Magick::ResolutionType resolutionUnits_ )
3710 image()->units = resolutionUnits_;
3711 options()->resolutionUnits( resolutionUnits_ );
3713 Magick::ResolutionType Magick::Image::resolutionUnits ( void ) const
3715 return constOptions()->resolutionUnits( );
3718 void Magick::Image::scene ( const size_t scene_ )
3721 image()->scene = scene_;
3723 size_t Magick::Image::scene ( void ) const
3725 return constImage()->scene;
3728 std::string Magick::Image::signature ( const bool force_ ) const
3730 Lock( &_imgRef->_mutexLock );
3732 // Re-calculate image signature if necessary
3733 ExceptionInfo exceptionInfo;
3734 GetExceptionInfo( &exceptionInfo );
3736 !GetImageProperty(constImage(), "Signature", &exceptionInfo) ||
3737 constImage()->taint )
3739 SignatureImage( const_cast<MagickCore::Image *>(constImage()), &exceptionInfo );
3742 const char *property = GetImageProperty(constImage(), "Signature",
3744 throwException( exceptionInfo );
3745 (void) DestroyExceptionInfo( &exceptionInfo );
3747 return std::string( property );
3750 void Magick::Image::size ( const Geometry &geometry_ )
3753 options()->size( geometry_ );
3754 image()->rows = geometry_.height();
3755 image()->columns = geometry_.width();
3757 Magick::Geometry Magick::Image::size ( void ) const
3759 return Magick::Geometry( constImage()->columns, constImage()->rows );
3763 void Magick::Image::splice( const Geometry &geometry_ )
3765 RectangleInfo spliceInfo = geometry_;
3766 ExceptionInfo exceptionInfo;
3767 GetExceptionInfo( &exceptionInfo );
3768 MagickCore::Image* newImage =
3769 SpliceImage( image(), &spliceInfo, &exceptionInfo);
3770 replaceImage( newImage );
3771 throwException( exceptionInfo );
3772 (void) DestroyExceptionInfo( &exceptionInfo );
3775 // Obtain image statistics. Statistics are normalized to the range of
3776 // 0.0 to 1.0 and are output to the specified ImageStatistics
3778 void Magick::Image::statistics ( ImageStatistics *statistics )
3784 ExceptionInfo exceptionInfo;
3785 GetExceptionInfo( &exceptionInfo );
3787 ChannelType channel_mask = SetImageChannelMask( image(), RedChannel);
3788 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
3789 statistics->red.minimum=minimum;
3790 statistics->red.maximum=maximum;
3791 (void) GetImageMean( image(),&statistics->red.mean,
3792 &statistics->red.standard_deviation,&exceptionInfo);
3793 (void) GetImageKurtosis( image(),&statistics->red.kurtosis,
3794 &statistics->red.skewness,&exceptionInfo);
3795 (void) SetPixelChannelMask( image(), channel_mask );
3797 channel_mask = SetImageChannelMask( image(), GreenChannel);
3798 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
3799 statistics->green.minimum=minimum;
3800 statistics->green.maximum=maximum;
3801 (void) GetImageMean( image(),&statistics->green.mean,
3802 &statistics->green.standard_deviation,&exceptionInfo);
3803 (void) GetImageKurtosis( image(),&statistics->green.kurtosis,
3804 &statistics->green.skewness,&exceptionInfo);
3805 (void) SetPixelChannelMask( image(), channel_mask );
3807 channel_mask = SetImageChannelMask( image(), GreenChannel);
3808 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
3809 statistics->blue.minimum=minimum;
3810 statistics->blue.maximum=maximum;
3811 (void) GetImageMean( image(),&statistics->blue.mean,
3812 &statistics->blue.standard_deviation,&exceptionInfo);
3813 (void) GetImageKurtosis( image(),&statistics->blue.kurtosis,
3814 &statistics->blue.skewness,&exceptionInfo);
3815 (void) SetPixelChannelMask( image(), channel_mask );
3817 channel_mask = SetImageChannelMask( image(), AlphaChannel);
3818 (void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
3819 statistics->alpha.minimum=minimum;
3820 statistics->alpha.maximum=maximum;
3821 (void) GetImageMean( image(),&statistics->alpha.mean,
3822 &statistics->alpha.standard_deviation,&exceptionInfo);
3823 (void) GetImageKurtosis( image(),&statistics->alpha.kurtosis,
3824 &statistics->alpha.skewness,&exceptionInfo);
3825 (void) SetPixelChannelMask( image(), channel_mask );
3827 throwException( exceptionInfo );
3828 (void) DestroyExceptionInfo( &exceptionInfo );
3831 // Strip strips an image of all profiles and comments.
3832 void Magick::Image::strip ( void )
3835 ExceptionInfo exceptionInfo;
3836 GetExceptionInfo( &exceptionInfo );
3837 StripImage( image(), &exceptionInfo );
3838 throwException( exceptionInfo );
3839 (void) DestroyExceptionInfo( &exceptionInfo );
3842 // enabled/disable stroke anti-aliasing
3843 void Magick::Image::strokeAntiAlias ( const bool flag_ )
3846 options()->strokeAntiAlias(flag_);
3848 bool Magick::Image::strokeAntiAlias ( void ) const
3850 return constOptions()->strokeAntiAlias();
3853 // Color to use when drawing object outlines
3854 void Magick::Image::strokeColor ( const Magick::Color &strokeColor_ )
3857 options()->strokeColor(strokeColor_);
3859 Magick::Color Magick::Image::strokeColor ( void ) const
3861 return constOptions()->strokeColor();
3864 // dash pattern for drawing vector objects (default one)
3865 void Magick::Image::strokeDashArray ( const double* strokeDashArray_ )
3868 options()->strokeDashArray( strokeDashArray_ );
3871 const double* Magick::Image::strokeDashArray ( void ) const
3873 return constOptions()->strokeDashArray( );
3876 // dash offset for drawing vector objects (default one)
3877 void Magick::Image::strokeDashOffset ( const double strokeDashOffset_ )
3880 options()->strokeDashOffset( strokeDashOffset_ );
3883 double Magick::Image::strokeDashOffset ( void ) const
3885 return constOptions()->strokeDashOffset( );
3888 // Specify the shape to be used at the end of open subpaths when they
3889 // are stroked. Values of LineCap are UndefinedCap, ButtCap, RoundCap,
3891 void Magick::Image::strokeLineCap ( const Magick::LineCap lineCap_ )
3894 options()->strokeLineCap( lineCap_ );
3896 Magick::LineCap Magick::Image::strokeLineCap ( void ) const
3898 return constOptions()->strokeLineCap( );
3901 // Specify the shape to be used at the corners of paths (or other
3902 // vector shapes) when they are stroked. Values of LineJoin are
3903 // UndefinedJoin, MiterJoin, RoundJoin, and BevelJoin.
3904 void Magick::Image::strokeLineJoin ( const Magick::LineJoin lineJoin_ )
3907 options()->strokeLineJoin( lineJoin_ );
3909 Magick::LineJoin Magick::Image::strokeLineJoin ( void ) const
3911 return constOptions()->strokeLineJoin( );
3914 // Specify miter limit. When two line segments meet at a sharp angle
3915 // and miter joins have been specified for 'lineJoin', it is possible
3916 // for the miter to extend far beyond the thickness of the line
3917 // stroking the path. The miterLimit' imposes a limit on the ratio of
3918 // the miter length to the 'lineWidth'. The default value of this
3920 void Magick::Image::strokeMiterLimit ( const size_t strokeMiterLimit_ )
3923 options()->strokeMiterLimit( strokeMiterLimit_ );
3925 size_t Magick::Image::strokeMiterLimit ( void ) const
3927 return constOptions()->strokeMiterLimit( );
3930 // Pattern to use while stroking drawn objects.
3931 void Magick::Image::strokePattern ( const Image &strokePattern_ )
3934 if(strokePattern_.isValid())
3935 options()->strokePattern( strokePattern_.constImage() );
3937 options()->strokePattern( static_cast<MagickCore::Image*>(NULL) );
3939 Magick::Image Magick::Image::strokePattern ( void ) const
3941 // FIXME: This is inordinately innefficient
3944 const MagickCore::Image* tmpTexture = constOptions()->strokePattern( );
3948 ExceptionInfo exceptionInfo;
3949 GetExceptionInfo( &exceptionInfo );
3950 MagickCore::Image* image =
3951 CloneImage( tmpTexture,
3954 MagickTrue, // orphan
3956 throwException( exceptionInfo );
3957 (void) DestroyExceptionInfo( &exceptionInfo );
3958 texture.replaceImage( image );
3963 // Stroke width for drawing lines, circles, ellipses, etc.
3964 void Magick::Image::strokeWidth ( const double strokeWidth_ )
3967 options()->strokeWidth( strokeWidth_ );
3969 double Magick::Image::strokeWidth ( void ) const
3971 return constOptions()->strokeWidth( );
3974 void Magick::Image::subImage ( const size_t subImage_ )
3977 options()->subImage( subImage_ );
3979 size_t Magick::Image::subImage ( void ) const
3981 return constOptions()->subImage( );
3984 void Magick::Image::subRange ( const size_t subRange_ )
3987 options()->subRange( subRange_ );
3989 size_t Magick::Image::subRange ( void ) const
3991 return constOptions()->subRange( );
3994 // Annotation text encoding (e.g. "UTF-16")
3995 void Magick::Image::textEncoding ( const std::string &encoding_ )
3998 options()->textEncoding( encoding_ );
4000 std::string Magick::Image::textEncoding ( void ) const
4002 return constOptions()->textEncoding( );
4005 size_t Magick::Image::totalColors ( void )
4007 ExceptionInfo exceptionInfo;
4008 GetExceptionInfo( &exceptionInfo );
4009 size_t colors = GetNumberColors( image(), 0, &exceptionInfo);
4010 throwException( exceptionInfo );
4011 (void) DestroyExceptionInfo( &exceptionInfo );
4015 // Origin of coordinate system to use when annotating with text or drawing
4016 void Magick::Image::transformOrigin ( const double x_, const double y_ )
4019 options()->transformOrigin( x_, y_ );
4022 // Rotation to use when annotating with text or drawing
4023 void Magick::Image::transformRotation ( const double angle_ )
4026 options()->transformRotation( angle_ );
4029 // Reset transformation parameters to default
4030 void Magick::Image::transformReset ( void )
4033 options()->transformReset();
4036 // Scale to use when annotating with text or drawing
4037 void Magick::Image::transformScale ( const double sx_, const double sy_ )
4040 options()->transformScale( sx_, sy_ );
4043 // Skew to use in X axis when annotating with text or drawing
4044 void Magick::Image::transformSkewX ( const double skewx_ )
4047 options()->transformSkewX( skewx_ );
4050 // Skew to use in Y axis when annotating with text or drawing
4051 void Magick::Image::transformSkewY ( const double skewy_ )
4054 options()->transformSkewY( skewy_ );
4057 // Image representation type
4058 Magick::ImageType Magick::Image::type ( void ) const
4061 ExceptionInfo exceptionInfo;
4062 GetExceptionInfo( &exceptionInfo );
4063 ImageType image_type = constOptions()->type();
4064 if ( image_type == UndefinedType )
4065 image_type= GetImageType( constImage(), &exceptionInfo);
4066 throwException( exceptionInfo );
4067 (void) DestroyExceptionInfo( &exceptionInfo );
4070 void Magick::Image::type ( const Magick::ImageType type_)
4072 ExceptionInfo exceptionInfo;
4073 GetExceptionInfo( &exceptionInfo );
4075 options()->type( type_ );
4076 SetImageType( image(), type_, &exceptionInfo );
4077 throwException( exceptionInfo );
4078 (void) DestroyExceptionInfo( &exceptionInfo );
4081 void Magick::Image::verbose ( const bool verboseFlag_ )
4084 options()->verbose( verboseFlag_ );
4086 bool Magick::Image::verbose ( void ) const
4088 return constOptions()->verbose( );
4091 void Magick::Image::view ( const std::string &view_ )
4094 options()->view( view_ );
4096 std::string Magick::Image::view ( void ) const
4098 return constOptions()->view( );
4101 // Virtual pixel method
4102 void Magick::Image::virtualPixelMethod ( const VirtualPixelMethod virtual_pixel_method_ )
4105 ExceptionInfo exceptionInfo;
4106 GetExceptionInfo( &exceptionInfo );
4107 SetImageVirtualPixelMethod( image(), virtual_pixel_method_, &exceptionInfo );
4108 throwException( exceptionInfo );
4109 (void) DestroyExceptionInfo( &exceptionInfo );
4111 Magick::VirtualPixelMethod Magick::Image::virtualPixelMethod ( void ) const
4113 return GetImageVirtualPixelMethod( constImage() );
4116 void Magick::Image::x11Display ( const std::string &display_ )
4119 options()->x11Display( display_ );
4121 std::string Magick::Image::x11Display ( void ) const
4123 return constOptions()->x11Display( );
4126 double Magick::Image::xResolution ( void ) const
4128 return constImage()->resolution.x;
4130 double Magick::Image::yResolution ( void ) const
4132 return constImage()->resolution.y;
4136 Magick::Image::Image( const Image & image_ )
4137 : _imgRef(image_._imgRef)
4139 Lock( &_imgRef->_mutexLock );
4141 // Increase reference count
4142 ++_imgRef->_refCount;
4145 // Assignment operator
4146 Magick::Image& Magick::Image::operator=( const Magick::Image &image_ )
4148 if( this != &image_ )
4151 Lock( &image_._imgRef->_mutexLock );
4152 ++image_._imgRef->_refCount;
4155 bool doDelete = false;
4157 Lock( &_imgRef->_mutexLock );
4158 if ( --_imgRef->_refCount == 0 )
4164 // Delete old image reference with associated image and options.
4168 // Use new image reference
4169 _imgRef = image_._imgRef;
4175 //////////////////////////////////////////////////////////////////////
4177 // Low-level Pixel Access Routines
4179 // Also see the Pixels class, which provides support for multiple
4180 // cache views. The low-level pixel access routines in the Image
4181 // class are provided in order to support backward compatability.
4183 //////////////////////////////////////////////////////////////////////
4185 // Transfers read-only pixels from the image to the pixel cache as
4186 // defined by the specified region
4187 const Magick::Quantum* Magick::Image::getConstPixels
4188 ( const ssize_t x_, const ssize_t y_,
4189 const size_t columns_,
4190 const size_t rows_ ) const
4192 ExceptionInfo exceptionInfo;
4193 GetExceptionInfo( &exceptionInfo );
4194 const Quantum* p = (*GetVirtualPixels)( constImage(),
4198 throwException( exceptionInfo );
4199 (void) DestroyExceptionInfo( &exceptionInfo );
4203 // Obtain read-only pixel associated pixels channels
4204 const void* Magick::Image::getConstMetacontent ( void ) const
4206 const void* result = GetVirtualMetacontent( constImage() );
4209 throwImageException();
4214 // Obtain image pixel associated pixels channels
4215 void* Magick::Image::getMetacontent ( void )
4217 void* result = GetAuthenticMetacontent( image() );
4220 throwImageException();
4225 // Transfers pixels from the image to the pixel cache as defined
4226 // by the specified region. Modified pixels may be subsequently
4227 // transferred back to the image via syncPixels.
4228 Magick::Quantum* Magick::Image::getPixels ( const ssize_t x_, const ssize_t y_,
4229 const size_t columns_,
4230 const size_t rows_ )
4233 ExceptionInfo exceptionInfo;
4234 GetExceptionInfo( &exceptionInfo );
4235 Quantum* result = (*GetAuthenticPixels)( image(),
4237 columns_, rows_, &exceptionInfo );
4238 throwException( exceptionInfo );
4239 (void) DestroyExceptionInfo( &exceptionInfo );
4244 // Allocates a pixel cache region to store image pixels as defined
4245 // by the region rectangle. This area is subsequently transferred
4246 // from the pixel cache to the image via syncPixels.
4247 Magick::Quantum* Magick::Image::setPixels ( const ssize_t x_, const ssize_t y_,
4248 const size_t columns_,
4249 const size_t rows_ )
4252 ExceptionInfo exceptionInfo;
4253 GetExceptionInfo( &exceptionInfo );
4254 Quantum* result = (*QueueAuthenticPixels)( image(),
4256 columns_, rows_, &exceptionInfo );
4257 throwException( exceptionInfo );
4258 (void) DestroyExceptionInfo( &exceptionInfo );
4263 // Transfers the image cache pixels to the image.
4264 void Magick::Image::syncPixels ( void )
4266 ExceptionInfo exceptionInfo;
4267 GetExceptionInfo( &exceptionInfo );
4268 (*SyncAuthenticPixels)( image(), &exceptionInfo );
4269 throwException( exceptionInfo );
4270 (void) DestroyExceptionInfo( &exceptionInfo );
4273 // Transfers one or more pixel components from a buffer or file
4274 // into the image pixel cache of an image.
4275 // Used to support image decoders.
4276 void Magick::Image::readPixels ( const Magick::QuantumType quantum_,
4277 const unsigned char *source_ )
4282 quantum_info=AcquireQuantumInfo(imageInfo(),image());
4283 ExceptionInfo exceptionInfo;
4284 GetExceptionInfo( &exceptionInfo );
4285 ImportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
4286 quantum_,source_, &exceptionInfo);
4287 throwException( exceptionInfo );
4288 (void) DestroyExceptionInfo( &exceptionInfo );
4289 quantum_info=DestroyQuantumInfo(quantum_info);
4292 // Transfers one or more pixel components from the image pixel
4293 // cache to a buffer or file.
4294 // Used to support image encoders.
4295 void Magick::Image::writePixels ( const Magick::QuantumType quantum_,
4296 unsigned char *destination_ )
4301 quantum_info=AcquireQuantumInfo(imageInfo(),image());
4302 ExceptionInfo exceptionInfo;
4303 GetExceptionInfo( &exceptionInfo );
4304 ExportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
4305 quantum_,destination_, &exceptionInfo);
4306 quantum_info=DestroyQuantumInfo(quantum_info);
4307 throwException( exceptionInfo );
4308 (void) DestroyExceptionInfo( &exceptionInfo );
4311 /////////////////////////////////////////////////////////////////////
4313 // No end-user methods beyond this point
4315 /////////////////////////////////////////////////////////////////////
4319 // Construct using existing image and default options
4321 Magick::Image::Image ( MagickCore::Image* image_ )
4322 : _imgRef(new ImageRef( image_))
4326 // Get Magick::Options*
4327 Magick::Options* Magick::Image::options( void )
4329 return _imgRef->options();
4331 const Magick::Options* Magick::Image::constOptions( void ) const
4333 return _imgRef->options();
4336 // Get MagickCore::Image*
4337 MagickCore::Image*& Magick::Image::image( void )
4339 return _imgRef->image();
4341 const MagickCore::Image* Magick::Image::constImage( void ) const
4343 return _imgRef->image();
4347 MagickCore::ImageInfo* Magick::Image::imageInfo( void )
4349 return _imgRef->options()->imageInfo();
4351 const MagickCore::ImageInfo * Magick::Image::constImageInfo( void ) const
4353 return _imgRef->options()->imageInfo();
4356 // Get QuantizeInfo *
4357 MagickCore::QuantizeInfo* Magick::Image::quantizeInfo( void )
4359 return _imgRef->options()->quantizeInfo();
4361 const MagickCore::QuantizeInfo * Magick::Image::constQuantizeInfo( void ) const
4363 return _imgRef->options()->quantizeInfo();
4367 // Replace current image
4369 MagickCore::Image * Magick::Image::replaceImage
4370 ( MagickCore::Image* replacement_ )
4372 MagickCore::Image* image;
4375 image = replacement_;
4378 ExceptionInfo exceptionInfo;
4379 GetExceptionInfo( &exceptionInfo );
4380 image = AcquireImage(constImageInfo(), &exceptionInfo);
4381 throwException( exceptionInfo );
4382 (void) DestroyExceptionInfo( &exceptionInfo );
4386 Lock( &_imgRef->_mutexLock );
4388 if ( _imgRef->_refCount == 1 )
4390 // We own the image, just replace it, and de-register
4392 _imgRef->image(image);
4396 // We don't own the image, dereference and replace with copy
4397 --_imgRef->_refCount;
4398 _imgRef = new ImageRef( image, constOptions() );
4402 return _imgRef->_image;
4406 // Prepare to modify image or image options
4407 // Replace current image and options with copy if reference count > 1
4409 void Magick::Image::modifyImage( void )
4412 Lock( &_imgRef->_mutexLock );
4413 if ( _imgRef->_refCount == 1 )
4415 // De-register image and return
4421 ExceptionInfo exceptionInfo;
4422 GetExceptionInfo( &exceptionInfo );
4423 replaceImage( CloneImage( image(),
4426 MagickTrue, // orphan
4428 throwException( exceptionInfo );
4429 (void) DestroyExceptionInfo( &exceptionInfo );
4434 // Test for an ImageMagick reported error and throw exception if one
4435 // has been reported. Secretly resets image->exception back to default
4436 // state even though this method is const.
4438 void Magick::Image::throwImageException( void ) const
4440 // Throw C++ exception while resetting Image exception to default state
4443 // Register image with image registry or obtain registration id
4444 ssize_t Magick::Image::registerId( void )
4446 Lock( &_imgRef->_mutexLock );
4447 if( _imgRef->id() < 0 )
4449 char id[MaxTextExtent];
4450 ExceptionInfo exceptionInfo;
4451 GetExceptionInfo( &exceptionInfo );
4452 _imgRef->id(_imgRef->id()+1);
4453 sprintf(id,"%.20g\n",(double) _imgRef->id());
4454 SetImageRegistry(ImageRegistryType, id, image(), &exceptionInfo);
4455 throwException( exceptionInfo );
4456 (void) DestroyExceptionInfo( &exceptionInfo );
4458 return _imgRef->id();
4461 // Unregister image from image registry
4462 void Magick::Image::unregisterId( void )
4469 // Create a local wrapper around MagickCoreTerminus
4474 void MagickPlusPlusDestroyMagick(void);
4478 void Magick::MagickPlusPlusDestroyMagick(void)
4480 if (magick_initialized)
4482 magick_initialized=false;
4483 MagickCore::MagickCoreTerminus();
4487 // C library initialization routine
4488 void MagickPPExport Magick::InitializeMagick(const char *path_)
4490 MagickCore::MagickCoreGenesis(path_,MagickFalse);
4491 if (!magick_initialized)
4492 magick_initialized=true;
4496 // Cleanup class to ensure that ImageMagick singletons are destroyed
4497 // so as to avoid any resemblence to a memory leak (which seems to
4506 MagickCleanUp( void );
4507 ~MagickCleanUp( void );
4510 // The destructor for this object is invoked when the destructors for
4511 // static objects in this translation unit are invoked.
4512 static MagickCleanUp magickCleanUpGuard;
4515 Magick::MagickCleanUp::MagickCleanUp ( void )
4517 // Don't even think about invoking InitializeMagick here!
4520 Magick::MagickCleanUp::~MagickCleanUp ( void )
4522 MagickPlusPlusDestroyMagick();