layer.c File Reference

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

Include dependency graph for layer.c:

Go to the source code of this file.

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)
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 ImageLayerMethod method, const MagickPixelPacket *p, const MagickPixelPacket *q)
static RectangleInfo	CompareImageBounds (const Image *image1, const Image *image2, const ImageLayerMethod method, ExceptionInfo *exception)
MagickExport Image *	CompareImageLayers (const Image *image, const ImageLayerMethod method, ExceptionInfo *exception)
MagickExport Image *	DeconstructImages (const Image *images, ExceptionInfo *exception)
static Image *	OptimizeLayerFrames (const Image *image, const ImageLayerMethod 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)
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 ImageLayerMethod method, ExceptionInfo *exception)

Macro Definition Documentation

DEBUG_OPT_FRAME

#define DEBUG_OPT_FRAME   0

Definition at line 970 of file layer.c.

DelDispose

#define DelDispose   ((DisposeType)8)

Definition at line 968 of file layer.c.

DupDispose

#define DupDispose   ((DisposeType)9)

Definition at line 964 of file layer.c.

MergeLayersTag

#define MergeLayersTag   "Merge/Layers"

Function Documentation

ClearBounds()

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

static

Definition at line 98 of file layer.c.

References _Image::exception, GetAuthenticPixels(), _RectangleInfo::height, magick_restrict, MagickFalse, _Image::matte, OpaqueAlphaChannel, SetImageAlphaChannel(), SyncAuthenticPixels(), TransparentOpacity, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

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

CoalesceImages()

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

Definition at line 232 of file layer.c.

References _Image::background_color, BackgroundDispose, ClearBounds(), CloneImage(), CloneImageArtifacts(), CloneImageProfiles(), CloneImageProperties(), _Image::columns, CompositeImage(), CopyCompositeOp, DestroyImage(), DestroyImageList(), _Image::dispose, _Image::filename, GetFirstImageInList(), GetMagickModule, GetNextImageInList(), GetPreviousImageInList(), _RectangleInfo::height, IsBoundsCleared(), IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::matte, _Image::next, NoneDispose, _PixelPacket::opacity, OverCompositeOp, _Image::page, _Image::previous, PreviousDispose, _Image::rows, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, TraceEvent, TransparentOpacity, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

CompareImageBounds()

static RectangleInfo CompareImageBounds ( const Image *  image1, const Image *  image2, const ImageLayerMethod  method, ExceptionInfo *  exception  )

static

Definition at line 597 of file layer.c.

References _Image::columns, ComparePixels(), GetMagickPixelPacket(), GetVirtualIndexQueue(), GetVirtualPixels(), _RectangleInfo::height, _Image::rows, SetMagickPixelPacket(), _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

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

CompareImageLayers()

MagickExport Image * CompareImageLayers	(	const Image *	image,
		const ImageLayerMethod	method,
		ExceptionInfo *	exception
	)

Definition at line 768 of file layer.c.

References AcquireQuantumMemory(), AppendImageToList(), _Image::background_color, CloneImage(), CompareAnyLayer, CompareClearLayer, CompareImageBounds(), CompareOverlayLayer, CompositeImage(), CopyCompositeOp, CropImage(), DestroyImage(), DestroyImageList(), _Image::filename, GetFirstImageInList(), GetImageListLength(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _PixelPacket::opacity, _Image::page, RelinquishMagickMemory(), ResourceLimitError, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, ThrowImageException, TraceEvent, TransparentOpacity, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by DeconstructImages().

ComparePixels()

static MagickBooleanType ComparePixels ( const ImageLayerMethod  method, const MagickPixelPacket *  p, const MagickPixelPacket *  q  )

static

Definition at line 527 of file layer.c.

References CompareAnyLayer, CompareClearLayer, CompareOverlayLayer, GetPixelOpacity, IsMagickColorSimilar(), MagickFalse, _MagickPixelPacket::matte, _MagickPixelPacket::opacity, OpaqueOpacity, and QuantumRange.

Referenced by CompareImageBounds().

CompositeCanvas()

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

inlinestatic

Definition at line 1817 of file layer.c.

References CompositeImage(), _Image::page, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by CompositeLayers().

CompositeLayers()

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

Definition at line 1826 of file layer.c.

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

DeconstructImages()

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

Definition at line 915 of file layer.c.

References CompareAnyLayer, and CompareImageLayers().

DisposeImages()

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

Definition at line 383 of file layer.c.

References AppendImageToList(), _Image::background_color, BackgroundDispose, ClearBounds(), CloneImage(), CloneImageArtifacts(), CloneImageProfiles(), CloneImageProperties(), _Image::columns, CompositeImage(), CopyCompositeOp, DestroyImage(), DestroyImageList(), _Image::dispose, _Image::filename, GetFirstImageInList(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::matte, NewImageList(), NoneDispose, _PixelPacket::opacity, OverCompositeOp, _Image::page, PreviousDispose, _Image::rows, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, TraceEvent, TransparentOpacity, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

IsBoundsCleared()

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

static

Definition at line 166 of file layer.c.

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

Referenced by CoalesceImages(), and OptimizeLayerFrames().

MergeImageLayers()

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

Definition at line 1949 of file layer.c.

References CloneImage(), _Image::columns, _Image::compose, CompositeImage(), _Image::dispose, _Image::filename, FlattenLayer, GetImageListLength(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, IsEventLogging(), 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 FlattenImages(), MosaicImages(), and VignetteImage().

OptimizeImageLayers()

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

Definition at line 1449 of file layer.c.

References OptimizeImageLayer, and OptimizeLayerFrames().

OptimizeImageTransparency()

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

Definition at line 1519 of file layer.c.

References _Image::background_color, BackgroundDispose, ChangeMaskCompositeOp, ClearBounds(), CloneImage(), _Image::columns, CompositeImage(), CopyCompositeOp, DestroyImage(), _Image::dispose, _Image::filename, GetFirstImageInList(), GetMagickModule, GetNextImageInList(), _RectangleInfo::height, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::matte, NoneDispose, _PixelPacket::opacity, OverCompositeOp, _Image::page, PreviousDispose, _Image::rows, SetImageBackgroundColor(), _ExceptionInfo::signature, _Image::signature, TraceEvent, TransparentOpacity, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

OptimizeLayerFrames()

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

static

Definition at line 972 of file layer.c.

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

Referenced by OptimizeImageLayers(), and OptimizePlusImageLayers().

OptimizePlusImageLayers()

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

Definition at line 1482 of file layer.c.

References OptimizeLayerFrames(), and OptimizePlusLayer.

RemoveDuplicateLayers()

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

Definition at line 1644 of file layer.c.

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

RemoveZeroDelayLayers()

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

Definition at line 1727 of file layer.c.

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