attribute.c File Reference

#include "MagickCore/studio.h"
#include "MagickCore/artifact.h"
#include "MagickCore/attribute.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
#include "MagickCore/cache-private.h"
#include "MagickCore/cache-view.h"
#include "MagickCore/channel.h"
#include "MagickCore/client.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colormap.h"
#include "MagickCore/colormap-private.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/composite.h"
#include "MagickCore/composite-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/draw.h"
#include "MagickCore/draw-private.h"
#include "MagickCore/effect.h"
#include "MagickCore/enhance.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/histogram.h"
#include "MagickCore/identify.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/log.h"
#include "MagickCore/memory_.h"
#include "MagickCore/magick.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/paint.h"
#include "MagickCore/pixel.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/property.h"
#include "MagickCore/quantize.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/random_.h"
#include "MagickCore/resource_.h"
#include "MagickCore/semaphore.h"
#include "MagickCore/segment.h"
#include "MagickCore/splay-tree.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/thread-private.h"
#include "MagickCore/threshold.h"
#include "MagickCore/transform.h"
#include "MagickCore/utility.h"

Include dependency graph for attribute.c:

Go to the source code of this file.

Data Structures
struct	_EdgeInfo
struct	_CaliperInfo

Typedefs
typedef struct _EdgeInfo	EdgeInfo
typedef struct _CaliperInfo	CaliperInfo

Functions
static double	GetEdgeBackgroundCensus (const Image *image, const CacheView *image_view, const GravityType gravity, const size_t width, const size_t height, const ssize_t x_offset, const ssize_t y_offset, ExceptionInfo *exception)
static double	GetMinEdgeBackgroundCensus (const EdgeInfo *edge)
static RectangleInfo	GetEdgeBoundingBox (const Image *image, ExceptionInfo *exception)
MagickExport RectangleInfo	GetImageBoundingBox (const Image *image, ExceptionInfo *exception)
static double	LexicographicalOrder (PointInfo *a, PointInfo *b, PointInfo *c)
static PixelInfo	GetEdgeBackgroundColor (const Image *image, const CacheView *image_view, ExceptionInfo *exception)
void	TraceConvexHull (PointInfo *vertices, size_t number_vertices, PointInfo ***monotone_chain, size_t *chain_length)
MagickExport PointInfo *	GetImageConvexHull (const Image *image, size_t *number_vertices, ExceptionInfo *exception)
MagickExport size_t	GetImageDepth (const Image *image, ExceptionInfo *exception)
static double	getAngle (PointInfo *p, PointInfo *q)
static double	getDistance (PointInfo *p, PointInfo *q)
static double	getProjection (PointInfo *p, PointInfo *q, PointInfo *v)
static double	getFeretDiameter (PointInfo *p, PointInfo *q, PointInfo *v)
MagickExport PointInfo *	GetImageMinimumBoundingBox (Image *image, size_t *number_vertices, ExceptionInfo *exception)
MagickExport size_t	GetImageQuantumDepth (const Image *image, const MagickBooleanType constrain)
MagickExport ImageType	GetImageType (const Image *image)
MagickExport ImageType	IdentifyImageGray (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	IdentifyImageMonochrome (const Image *image, ExceptionInfo *exception)
MagickExport ImageType	IdentifyImageType (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	IsImageGray (const Image *image)
MagickExport MagickBooleanType	IsImageMonochrome (const Image *image)
MagickExport MagickBooleanType	IsImageOpaque (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	SetImageDepth (Image *image, const size_t depth, ExceptionInfo *exception)
MagickExport MagickBooleanType	SetImageType (Image *image, const ImageType type, ExceptionInfo *exception)

Typedef Documentation

CaliperInfo

typedef struct _CaliperInfo CaliperInfo

EdgeInfo

typedef struct _EdgeInfo EdgeInfo

Function Documentation

getAngle()

static double getAngle ( PointInfo *  p, PointInfo *  q  )

inlinestatic

Definition at line 1156 of file attribute.c.

References RadiansToDegrees(), _PointInfo::x, and _PointInfo::y.

Referenced by GetImageMinimumBoundingBox().

getDistance()

static double getDistance ( PointInfo *  p, PointInfo *  q  )

inlinestatic

Definition at line 1164 of file attribute.c.

References _PointInfo::x, and _PointInfo::y.

Referenced by getFeretDiameter(), and getProjection().

GetEdgeBackgroundCensus()

static double GetEdgeBackgroundCensus ( const Image *  image, const CacheView *  image_view, const GravityType  gravity, const size_t  width, const size_t  height, const ssize_t  x_offset, const ssize_t  y_offset, ExceptionInfo *  exception  )

static

Definition at line 136 of file attribute.c.

References AcquireVirtualCacheView(), AllCompliance, _Image::columns, CropImage(), DestroyCacheView(), DestroyImage(), EastGravity, GetCacheViewVirtualPixels(), GetImageArtifact(), GetPixelChannels(), GetPixelInfoPixel(), GravityAdjustGeometry(), _RectangleInfo::height, IsFuzzyEquivalencePixelInfo(), MagickFalse, NorthEastGravity, NorthGravity, NorthWestGravity, QueryColorCompliance(), _Image::rows, SouthEastGravity, SouthGravity, SouthWestGravity, WestGravity, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by GetEdgeBoundingBox().

GetEdgeBackgroundColor()

static PixelInfo GetEdgeBackgroundColor ( const Image *  image, const CacheView *  image_view, ExceptionInfo *  exception  )

static

Definition at line 599 of file attribute.c.

References AcquireVirtualCacheView(), AllCompliance, _Image::columns, CropImage(), DestroyCacheView(), DestroyImage(), EastGravity, GetCacheViewVirtualPixels(), GetImageArtifact(), GetPixelChannels(), GetPixelInfoPixel(), GravityAdjustGeometry(), _RectangleInfo::height, IsFuzzyEquivalencePixelInfo(), MagickFalse, NorthGravity, QueryColorCompliance(), _Image::rows, SouthGravity, WestGravity, and _RectangleInfo::width.

Referenced by GetImageConvexHull().

GetEdgeBoundingBox()

static RectangleInfo GetEdgeBoundingBox ( const Image *  image, ExceptionInfo *  exception  )

static

Definition at line 251 of file attribute.c.

References AcquireVirtualCacheView(), _EdgeInfo::bottom, CloneImage(), DestroyCacheView(), DestroyImage(), EastGravity, _Image::filename, GetEdgeBackgroundCensus(), GetImageArtifact(), GetMagickModule, GetMinEdgeBackgroundCensus(), _RectangleInfo::height, IsEventLogging(), _EdgeInfo::left, LogMagickEvent(), MagickCoreSignature, MagickEpsilon, MagickFalse, MagickMax, MagickMin, MagickTrue, NorthEastGravity, NorthGravity, NorthWestGravity, OptionWarning, _Image::page, ParseAbsoluteGeometry(), _EdgeInfo::right, SetGeometry(), _Image::signature, SouthGravity, SouthWestGravity, StringToDouble(), ThrowMagickException(), _EdgeInfo::top, TraceEvent, WestGravity, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by GetImageBoundingBox().

getFeretDiameter()

static double getFeretDiameter ( PointInfo *  p, PointInfo *  q, PointInfo *  v  )

inlinestatic

Definition at line 1187 of file attribute.c.

References getDistance(), INFINITY, MagickEpsilon, _PointInfo::x, and _PointInfo::y.

Referenced by GetImageMinimumBoundingBox().

GetImageBoundingBox()

MagickExport RectangleInfo GetImageBoundingBox	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 391 of file attribute.c.

References AcquireString(), AcquireVirtualCacheView(), _Image::columns, DestroyCacheView(), DestroyString(), _Image::filename, GetCacheViewVirtualPixels(), GetEdgeBoundingBox(), GetImageArtifact(), GetMagickModule, GetPixelChannels(), GetPixelInfo(), GetPixelInfoPixel(), _RectangleInfo::height, IsEventLogging(), IsFuzzyEquivalencePixelInfo(), LocaleCompare(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, OptionWarning, _Image::rows, _Image::signature, StringToken(), ThrowMagickException(), TraceEvent, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by DeskewImage(), GetMagickProperty(), GetMagickPropertyLetter(), RenderPostscript(), and TrimImage().

GetImageConvexHull()

MagickExport PointInfo * GetImageConvexHull	(	const Image *	image,
		size_t *	number_vertices,
		ExceptionInfo *	exception
	)

Definition at line 765 of file attribute.c.

References AcquireQuantumMemory(), AcquireVirtualCacheView(), AcquireVirtualMemory(), _Image::columns, DestroyCacheView(), _Image::filename, GetCacheViewVirtualPixels(), GetEdgeBackgroundColor(), GetMagickModule, GetPixelChannels(), GetPixelInfoPixel(), GetVirtualMemoryBlob(), IsEventLogging(), IsFuzzyEquivalencePixelInfo(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, RelinquishVirtualMemory(), _Image::rows, _Image::signature, TraceConvexHull(), TraceEvent, _PointInfo::x, and _PointInfo::y.

Referenced by GetImageMinimumBoundingBox(), GetMagickProperty(), and IdentifyImage().

GetImageDepth()

MagickExport size_t GetImageDepth	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 889 of file attribute.c.

References AcquireQuantumMemory(), AcquireVirtualCacheView(), _Image::alpha_trait, _PixelInfo::blue, ClampToQuantum(), _Image::colormap, _Image::colors, _Image::columns, DestroyCacheView(), DisableMSCWarning, _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetMagickResourceLimit(), GetOpenMPThreadId(), GetPixelBlueTraits(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelGreenTraits(), GetPixelRedTraits(), GetQuantumRange(), _PixelInfo::green, IsEventLogging(), IsPixelAtDepth(), LogMagickEvent(), magick_restrict, MAGICKCORE_QUANTUM_DEPTH, MagickCoreSignature, MagickFalse, MagickTrue, MaxMap, PseudoClass, QuantumRange, _PixelInfo::red, RelinquishMagickMemory(), ResourceLimitFatalError, RestoreMSCWarning, _Image::rows, ScaleAnyToQuantum(), ScaleQuantumToAny(), _Image::signature, _Image::storage_class, ThreadResource, ThrowFatalException, TraceEvent, UndefinedPixelTrait, and UpdatePixelTrait.

Referenced by ExecuteRPN(), GetMagickProperty(), IdentifyImage(), and ImageStat().

GetImageMinimumBoundingBox()

MagickExport PointInfo * GetImageMinimumBoundingBox	(	Image *	image,
		size_t *	number_vertices,
		ExceptionInfo *	exception
	)

Definition at line 1201 of file attribute.c.

References AcquireQuantumMemory(), _CaliperInfo::area, _Image::columns, _Image::filename, FormatImageProperty(), getAngle(), getFeretDiameter(), GetImageArtifact(), GetImageConvexHull(), GetMagickModule, GetMagickPrecision(), getProjection(), _CaliperInfo::height, IsEventLogging(), LocaleCompare(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickMax, MagickMin, MagickPI, _CaliperInfo::p, PerceptibleReciprocal(), _CaliperInfo::projection, _CaliperInfo::q, RadiansToDegrees(), RelinquishMagickMemory(), _Image::rows, _Image::signature, TraceEvent, _CaliperInfo::v, _CaliperInfo::width, _PointInfo::x, and _PointInfo::y.

Referenced by GetMagickProperty(), and IdentifyImage().

GetImageQuantumDepth()

MagickExport size_t GetImageQuantumDepth	(	const Image *	image,
		const MagickBooleanType	constrain
	)

Definition at line 1459 of file attribute.c.

References _Image::depth, MAGICKCORE_QUANTUM_DEPTH, MagickFalse, and MagickMin.

GetImageType()

MagickExport ImageType GetImageType

(

const Image *

image

)

Definition at line 1508 of file attribute.c.

References _Image::alpha_trait, BilevelType, CMYKColorspace, ColorSeparationAlphaType, ColorSeparationType, _Image::colorspace, GrayscaleAlphaType, GrayscaleType, IsImageGray(), IsImageMonochrome(), IsPaletteImage(), MagickCoreSignature, MagickFalse, PaletteAlphaType, PaletteType, _Image::signature, TrueColorAlphaType, TrueColorType, and UndefinedPixelTrait.

GetMinEdgeBackgroundCensus()

static double GetMinEdgeBackgroundCensus ( const EdgeInfo *  edge )

inlinestatic

Definition at line 241 of file attribute.c.

References _EdgeInfo::bottom, _EdgeInfo::left, MagickMin, _EdgeInfo::right, and _EdgeInfo::top.

Referenced by GetEdgeBoundingBox().

getProjection()

static double getProjection ( PointInfo *  p, PointInfo *  q, PointInfo *  v  )

inlinestatic

Definition at line 1173 of file attribute.c.

References getDistance(), INFINITY, MagickEpsilon, _PointInfo::x, and _PointInfo::y.

Referenced by GetImageMinimumBoundingBox().

IdentifyImageGray()

MagickExport ImageType IdentifyImageGray	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 1563 of file attribute.c.

References AcquireVirtualCacheView(), _Image::alpha_trait, BilevelType, _Image::colorspace, _Image::columns, DestroyCacheView(), _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelChannels(), GrayscaleAlphaType, GrayscaleType, IsEventLogging(), IsImageGray(), IsPixelGray(), IsPixelMonochrome(), IssRGBCompatibleColorspace(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _Image::rows, _Image::signature, TraceEvent, _Image::type, UndefinedPixelTrait, and UndefinedType.

Referenced by IdentifyImageType(), QuantizeImage(), and SetImageGray().

IdentifyImageMonochrome()

MagickExport MagickBooleanType IdentifyImageMonochrome	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 1644 of file attribute.c.

References AcquireVirtualCacheView(), BilevelType, _Image::colorspace, _Image::columns, DestroyCacheView(), _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelChannels(), IsEventLogging(), IsPixelMonochrome(), IssRGBCompatibleColorspace(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::rows, _Image::signature, TraceEvent, and _Image::type.

Referenced by SetImageMonochrome().

IdentifyImageType()

MagickExport ImageType IdentifyImageType	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 1725 of file attribute.c.

References _Image::alpha_trait, CMYKColorspace, ColorSeparationAlphaType, ColorSeparationType, _Image::colorspace, _Image::filename, GetMagickModule, IdentifyImageGray(), IdentifyPaletteImage(), IsEventLogging(), IsGrayImageType(), LogMagickEvent(), MagickCoreSignature, MagickFalse, PaletteAlphaType, PaletteType, _Image::signature, TraceEvent, TrueColorAlphaType, TrueColorType, and UndefinedPixelTrait.

Referenced by ContrastStretchImage(), GetImageColorspaceType(), GetMagickProperty(), and IdentifyImage().

IsImageGray()

MagickExport MagickBooleanType IsImageGray

(

const Image *

image

)

Definition at line 1778 of file attribute.c.

References IsGrayImageType(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::signature, and _Image::type.

Referenced by ForwardFourierTransformImage(), GetImageType(), IdentifyImageGray(), InverseFourierTransformImage(), and SetImageGray().

IsImageMonochrome()

MagickExport MagickBooleanType IsImageMonochrome

(

const Image *

image

)

Definition at line 1809 of file attribute.c.

References BilevelType, MagickCoreSignature, MagickFalse, MagickTrue, _Image::signature, and _Image::type.

Referenced by GetImageType(), and SetImageMonochrome().

IsImageOpaque()

MagickExport MagickBooleanType IsImageOpaque	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 1846 of file attribute.c.

References AcquireVirtualCacheView(), _Image::alpha_trait, _Image::columns, DestroyCacheView(), _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelAlpha(), GetPixelChannels(), IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, OpaqueAlpha, _Image::rows, _Image::signature, TraceEvent, and UndefinedPixelTrait.

Referenced by GetMagickProperty().

LexicographicalOrder()

static double LexicographicalOrder ( PointInfo *  a, PointInfo *  b, PointInfo *  c  )

static

Definition at line 591 of file attribute.c.

References _PointInfo::x, and _PointInfo::y.

Referenced by TraceConvexHull().

SetImageDepth()

MagickExport MagickBooleanType SetImageDepth	(	Image *	image,
		const size_t	depth,
		ExceptionInfo *	exception
	)

Definition at line 1918 of file attribute.c.

References AcquireAuthenticCacheView(), AcquireQuantumMemory(), _PixelInfo::alpha, _PixelInfo::blue, ClampPixel(), _Image::colormap, _Image::colors, _Image::columns, _Image::depth, DestroyCacheView(), DisableMSCWarning, GetCacheViewAuthenticPixels(), GetMagickModule, GetPixelAlphaTraits(), GetPixelBlueTraits(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelGreenTraits(), GetPixelRedTraits(), GetQuantumRange(), _PixelInfo::green, IsEventLogging(), LogMagickEvent(), magick_restrict, MAGICKCORE_QUANTUM_DEPTH, MagickCoreSignature, MagickFalse, MagickTrue, MaxMap, PseudoClass, QuantumRange, _PixelInfo::red, RelinquishMagickMemory(), ResourceLimitFatalError, RestoreMSCWarning, _Image::rows, ScaleAnyToQuantum(), ScaleQuantumToAny(), _Image::signature, _Image::storage_class, SyncCacheViewAuthenticPixels(), ThrowFatalException, TraceEvent, and UpdatePixelTrait.

SetImageType()

MagickExport MagickBooleanType SetImageType	(	Image *	image,
		const ImageType	type,
		ExceptionInfo *	exception
	)

Definition at line 2134 of file attribute.c.

References AcquireImageInfo(), AcquireQuantizeInfo(), _Image::alpha_trait, AlphaChannel, BilevelImage(), BilevelType, CMYKColorspace, _Image::colors, ColorSeparationAlphaType, ColorSeparationType, _QuantizeInfo::colorspace, DestroyImageInfo(), DestroyQuantizeInfo(), DirectClass, _Image::dither, _ImageInfo::dither, GetImageArtifact(), GetMagickModule, GRAYColorspace, GrayscaleAlphaType, GrayscaleType, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, NormalizeImage(), _QuantizeInfo::number_colors, OpaqueAlphaChannel, OptimizeType, PaletteAlphaType, PaletteBilevelAlphaType, PaletteType, QuantizeImage(), QuantumRange, SetImageAlphaChannel(), SetImageChannelMask(), SetImageOption(), SetImageStorageClass(), _Image::signature, sRGBColorspace, _Image::storage_class, TraceEvent, TransformImageColorspace(), TransparentColorspace, TrueColorAlphaType, TrueColorType, _Image::type, UndefinedPixelTrait, and UndefinedType.

Referenced by CycleColormapImage(), and HuffmanEncodeImage().

TraceConvexHull()

void TraceConvexHull	(	PointInfo *	vertices,
		size_t	number_vertices,
		PointInfo ***	monotone_chain,
		size_t *	chain_length
	)

Definition at line 729 of file attribute.c.

References LexicographicalOrder().

Referenced by GetImageConvexHull().