layer.c File Reference

#include "MagickCore/studio.h"
#include "MagickCore/artifact.h"
#include "MagickCore/cache.h"
#include "MagickCore/channel.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/composite.h"
#include "MagickCore/effect.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/image.h"
#include "MagickCore/layer.h"
#include "MagickCore/list.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/property.h"
#include "MagickCore/profile.h"
#include "MagickCore/resource_.h"
#include "MagickCore/resize.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/transform.h"

Macros
#define	DupDispose   ((DisposeType)9)
#define	DelDispose   ((DisposeType)8)
#define	DEBUG_OPT_FRAME   0
#define	MergeLayersTag   "Merge/Layers"

Functions
static void	ClearBounds (Image *image, RectangleInfo *bounds, ExceptionInfo *exception)
static MagickBooleanType	IsBoundsCleared (const Image *image1, const Image *image2, RectangleInfo *bounds, ExceptionInfo *exception)
MagickExport Image *	CoalesceImages (const Image *image, ExceptionInfo *exception)
MagickExport Image *	DisposeImages (const Image *images, ExceptionInfo *exception)
static MagickBooleanType	ComparePixels (const LayerMethod method, const PixelInfo *p, const PixelInfo *q)
static RectangleInfo	CompareImagesBounds (const Image *image1, const Image *image2, const LayerMethod method, ExceptionInfo *exception)
MagickExport Image *	CompareImagesLayers (const Image *image, const LayerMethod method, ExceptionInfo *exception)
static Image *	OptimizeLayerFrames (const Image *image, const LayerMethod method, ExceptionInfo *exception)
MagickExport Image *	OptimizeImageLayers (const Image *image, ExceptionInfo *exception)
MagickExport Image *	OptimizePlusImageLayers (const Image *image, ExceptionInfo *exception)
MagickExport void	OptimizeImageTransparency (const Image *image, ExceptionInfo *exception)
MagickExport void	RemoveDuplicateLayers (Image **images, ExceptionInfo *exception)
MagickExport void	RemoveZeroDelayLayers (Image **images, ExceptionInfo *exception)
static void	CompositeCanvas (Image *destination, const CompositeOperator compose, Image *source, ssize_t x_offset, ssize_t y_offset, ExceptionInfo *exception)
MagickExport void	CompositeLayers (Image *destination, const CompositeOperator compose, Image *source, const ssize_t x_offset, const ssize_t y_offset, ExceptionInfo *exception)
MagickExport Image *	MergeImageLayers (Image *image, const LayerMethod method, ExceptionInfo *exception)

Macro Definition Documentation

#define DEBUG_OPT_FRAME   0

#define DelDispose   ((DisposeType)8)

Referenced by OptimizeLayerFrames().

#define DupDispose   ((DisposeType)9)

Referenced by OptimizeLayerFrames().

#define MergeLayersTag   "Merge/Layers"

Referenced by MergeImageLayers().

Function Documentation

static void ClearBounds ( Image *  image, RectangleInfo *  bounds, ExceptionInfo *  exception  )

static

References _Image::alpha_trait, GetAuthenticPixels(), GetPixelChannels(), _RectangleInfo::height, magick_restrict, MagickFalse, OpaqueAlphaChannel, SetImageAlphaChannel(), SetPixelAlpha(), SyncAuthenticPixels(), TransparentAlpha, UndefinedPixelTrait, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by CoalesceImages(), DisposeImages(), OptimizeImageTransparency(), and OptimizeLayerFrames().

MagickExport Image* CoalesceImages	(	const Image *	image,
		ExceptionInfo *	exception
	)

References _PixelInfo::alpha, _PixelInfo::alpha_trait, _Image::alpha_trait, _Image::background_color, BackgroundDispose, BlendPixelTrait, ClearBounds(), CloneImage(), CloneImageArtifacts(), CloneImageProfiles(), CloneImageProperties(), _Image::columns, CompositeImage(), CopyCompositeOp, _Image::debug, DestroyImage(), DestroyImageList(), _Image::dispose, _Image::filename, GetFirstImageInList(), GetMagickModule, GetNextImageInList(), GetPreviousImageInList(), _RectangleInfo::height, IsBoundsCleared(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::next, NoneDispose, OverCompositeOp, _Image::page, _Image::previous, PreviousDispose, _Image::rows, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, TraceEvent, TransparentAlpha, UndefinedPixelTrait, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

static RectangleInfo CompareImagesBounds ( const Image *  image1, const Image *  image2, const LayerMethod  method, ExceptionInfo *  exception  )

static

References _Image::columns, ComparePixels(), GetPixelChannels(), GetPixelInfo(), GetPixelInfoPixel(), GetVirtualPixels(), _RectangleInfo::height, _Image::rows, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by CompareImagesLayers(), OptimizeLayerFrames(), and RemoveDuplicateLayers().

MagickExport Image* CompareImagesLayers	(	const Image *	image,
		const LayerMethod	method,
		ExceptionInfo *	exception
	)

References AcquireQuantumMemory(), _PixelInfo::alpha, _PixelInfo::alpha_trait, AppendImageToList(), _Image::background_color, BlendPixelTrait, CloneImage(), CompareAnyLayer, CompareClearLayer, CompareImagesBounds(), CompareOverlayLayer, CompositeImage(), CopyCompositeOp, CropImage(), _Image::debug, DestroyImage(), DestroyImageList(), _Image::filename, GetFirstImageInList(), GetImageListLength(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::page, RelinquishMagickMemory(), ResourceLimitError, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, ThrowImageException, TraceEvent, TransparentAlpha, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

static MagickBooleanType ComparePixels ( const LayerMethod  method, const PixelInfo *  p, const PixelInfo *  q  )

static

References _PixelInfo::alpha, _PixelInfo::alpha_trait, CompareAnyLayer, CompareClearLayer, CompareOverlayLayer, IsFuzzyEquivalencePixelInfo(), MagickFalse, OpaqueAlpha, QuantumRange, and UndefinedPixelTrait.

Referenced by CompareImagesBounds().

static void CompositeCanvas ( Image *  destination, const CompositeOperator  compose, Image *  source, ssize_t  x_offset, ssize_t  y_offset, ExceptionInfo *  exception  )

inlinestatic

References CompositeImage(), GetImageArtifact(), IsStringTrue(), MagickFalse, MagickTrue, _Image::page, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by CompositeLayers().

MagickExport void CompositeLayers	(	Image *	destination,
		const CompositeOperator	compose,
		Image *	source,
		const ssize_t	x_offset,
		const ssize_t	y_offset,
		ExceptionInfo *	exception
	)

References _PixelInfo::alpha_trait, AppendImageToList(), _Image::background_color, BlendPixelTrait, CloneImage(), CompositeCanvas(), _Image::debug, _Image::delay, DestroyImage(), _Image::filename, GetLastImageInList(), GetMagickModule, GetNextImageInList(), _Image::iterations, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::next, _ExceptionInfo::signature, _Image::signature, and TraceEvent.

MagickExport Image* DisposeImages	(	const Image *	images,
		ExceptionInfo *	exception
	)

References _PixelInfo::alpha, _PixelInfo::alpha_trait, _Image::alpha_trait, AppendImageToList(), _Image::background_color, BackgroundDispose, BlendPixelTrait, ClearBounds(), CloneImage(), CloneImageArtifacts(), CloneImageProfiles(), CloneImageProperties(), _Image::columns, CompositeImage(), CopyCompositeOp, _Image::debug, DestroyImage(), DestroyImageList(), _Image::dispose, _Image::filename, GetFirstImageInList(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, NewImageList(), NoneDispose, OverCompositeOp, _Image::page, PreviousDispose, _Image::rows, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, TraceEvent, TransparentAlpha, UndefinedPixelTrait, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

static MagickBooleanType IsBoundsCleared ( const Image *  image1, const Image *  image2, RectangleInfo *  bounds, ExceptionInfo *  exception  )

static

References GetPixelAlpha(), GetPixelChannels(), GetVirtualPixels(), _RectangleInfo::height, MagickFalse, MagickTrue, QuantumRange, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by CoalesceImages(), and OptimizeLayerFrames().

MagickExport Image* MergeImageLayers	(	Image *	image,
		const LayerMethod	method,
		ExceptionInfo *	exception
	)

References _PixelInfo::alpha_trait, _Image::background_color, BlendPixelTrait, CloneImage(), _Image::columns, _Image::compose, CompositeImage(), _Image::debug, _Image::dispose, _Image::filename, FlattenLayer, GetImageListLength(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, MergeLayer, MergeLayersTag, MosaicLayer, _Image::page, _Image::rows, SetImageBackgroundColor(), SetImageProgress(), _ExceptionInfo::signature, _Image::signature, TraceEvent, TrimBoundsLayer, UndefinedDispose, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by VignetteImage().

MagickExport Image* OptimizeImageLayers	(	const Image *	image,
		ExceptionInfo *	exception
	)

References OptimizeImageLayer, and OptimizeLayerFrames().

MagickExport void OptimizeImageTransparency	(	const Image *	image,
		ExceptionInfo *	exception
	)

References _PixelInfo::alpha, _PixelInfo::alpha_trait, _Image::alpha_trait, _Image::background_color, BackgroundDispose, BlendPixelTrait, ChangeMaskCompositeOp, ClearBounds(), CloneImage(), _Image::columns, CompositeImage(), CopyCompositeOp, _Image::debug, DestroyImage(), _Image::dispose, _Image::filename, GetFirstImageInList(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, NoneDispose, OverCompositeOp, _Image::page, PreviousDispose, _Image::rows, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, TraceEvent, TransparentAlpha, UndefinedPixelTrait, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

static Image* OptimizeLayerFrames ( const Image *  image, const LayerMethod  method, ExceptionInfo *  exception  )

static

References AcquireExceptionInfo(), AcquireQuantumMemory(), _PixelInfo::alpha, _PixelInfo::alpha_trait, AppendImageToList(), _Image::background_color, BackgroundDispose, BlendPixelTrait, ClearBounds(), CloneImage(), _Image::columns, CommandOptionToMnemonic(), CompareAnyLayer, CompareClearLayer, CompareImagesBounds(), CompareOverlayLayer, CropImage(), _Image::debug, _Image::delay, DelDispose, DestroyExceptionInfo(), DestroyImage(), DestroyImageList(), _Image::dispose, DupDispose, _Image::filename, FormatLocaleFile(), GetFirstImageInList(), GetImageListLength(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, IsBoundsCleared(), LogMagickEvent(), MagickCoreSignature, MagickDisposeOptions, MagickFalse, MagickTrue, NewImageList(), NoneDispose, OptimizeImageLayer, OptimizeLayer, OptimizePlusLayer, OptionError, _Image::page, _Image::previous, PreviousDispose, ReferenceImage(), RelinquishMagickMemory(), ResourceLimitError, _Image::rows, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, ThrowImageException, _Image::ticks_per_second, TraceEvent, TransparentAlpha, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by OptimizeImageLayers(), and OptimizePlusImageLayers().

MagickExport Image* OptimizePlusImageLayers	(	const Image *	image,
		ExceptionInfo *	exception
	)

References OptimizeLayerFrames(), and OptimizePlusLayer.

MagickExport void RemoveDuplicateLayers	(	Image **	images,
		ExceptionInfo *	exception
	)

References _Image::columns, CompareAnyLayer, CompareImagesBounds(), _Image::delay, DeleteImageFromList(), GetFirstImageInList(), GetMagickModule, GetNextImageInList(), _Image::iterations, LogMagickEvent(), MagickCoreSignature, MagickFalse, _Image::page, PerceptibleReciprocal(), _Image::rows, _ExceptionInfo::signature, _Image::ticks_per_second, TraceEvent, _RectangleInfo::x, and _RectangleInfo::y.

MagickExport void RemoveZeroDelayLayers	(	Image **	images,
		ExceptionInfo *	exception
	)

References _Image::delay, DeleteImageFromList(), _Image::filename, GetFirstImageInList(), GetMagickModule, GetNextImageInList(), LogMagickEvent(), MagickCoreSignature, MagickFalse, OptionWarning, _ExceptionInfo::signature, ThrowMagickException(), and TraceEvent.