resize.c File Reference

#include "magick/studio.h"
#include "magick/artifact.h"
#include "magick/blob.h"
#include "magick/cache.h"
#include "magick/cache-view.h"
#include "magick/color.h"
#include "magick/color-private.h"
#include "magick/draw.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/gem.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/memory_.h"
#include "magick/pixel-private.h"
#include "magick/property.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
#include "magick/pixel.h"
#include "magick/option.h"
#include "magick/resample.h"
#include "magick/resize.h"
#include "magick/resize-private.h"
#include "magick/string_.h"
#include "magick/thread-private.h"
#include "magick/utility.h"
#include "magick/version.h"

Include dependency graph for resize.c:

Go to the source code of this file.

Data Structures
struct	_ResizeFilter
struct	_ContributionInfo
Defines
#define	Alpha 6.5
#define	I0A (1.0/I0(Alpha))
#define	AdaptiveResizeImageTag "Resize/Image"
#define	ResampleImageTag "Resample/Image"
#define	ResizeImageTag "Resize/Image"
#define	WorkLoadFactor 0.265
#define	SampleImageTag "Sample/Image"
#define	ScaleImageTag "Scale/Image"
#define	SampleFactor 5
Typedefs
typedef struct _ContributionInfo	ContributionInfo
Functions
static MagickRealType	I0 (MagickRealType x)
static MagickRealType	BesselOrderOne (MagickRealType)
static MagickRealType	Bessel (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Blackman (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Bohman (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Box (const MagickRealType magick_unused(x), const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	CubicBC (const MagickRealType x, const ResizeFilter *resize_filter)
static MagickRealType	Gaussian (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Hanning (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Hamming (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Kaiser (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Lagrange (const MagickRealType x, const ResizeFilter *resize_filter)
static MagickRealType	Quadratic (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Sinc (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Triangle (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
static MagickRealType	Welsh (const MagickRealType x, const ResizeFilter *magick_unused(resize_filter))
MagickExport ResizeFilter *	AcquireResizeFilter (const Image image, const FilterTypes filter, const MagickRealType blur, const MagickBooleanType cylindrical, ExceptionInfo exception)
MagickExport Image *	AdaptiveResizeImage (const Image image, const unsigned long columns, const unsigned long rows, ExceptionInfo exception)
static MagickRealType	J1 (MagickRealType x)
static MagickRealType	P1 (MagickRealType x)
static MagickRealType	Q1 (MagickRealType x)
MagickExport ResizeFilter *	DestroyResizeFilter (ResizeFilter *resize_filter)
MagickExport MagickRealType	GetResizeFilterSupport (const ResizeFilter *resize_filter)
MagickExport MagickRealType	GetResizeFilterWeight (const ResizeFilter *resize_filter, const MagickRealType x)
MagickExport Image *	MagnifyImage (const Image image, ExceptionInfo exception)
MagickExport Image *	MinifyImage (const Image image, ExceptionInfo exception)
MagickExport Image *	ResampleImage (const Image image, const double x_resolution, const double y_resolution, const FilterTypes filter, const double blur, ExceptionInfo exception)
MagickExport Image *	LiquidRescaleImage (const Image image, const unsigned long magick_unused(columns), const unsigned long magick_unused(rows), const double magick_unused(delta_x), const double magick_unused(rigidity), ExceptionInfo exception)
static ContributionInfo **	DestroyContributionThreadSet (ContributionInfo **contribution)
static ContributionInfo **	AcquireContributionThreadSet (const size_t count)
static double	MagickMax (const double x, const double y)
static double	MagickMin (const double x, const double y)
static MagickBooleanType	HorizontalFilter (const ResizeFilter resize_filter, const Image image, Image resize_image, const MagickRealType x_factor, const MagickSizeType span, MagickOffsetType quantum, ExceptionInfo *exception)
static MagickBooleanType	VerticalFilter (const ResizeFilter resize_filter, const Image image, Image resize_image, const MagickRealType y_factor, const MagickSizeType span, MagickOffsetType quantum, ExceptionInfo *exception)
MagickExport Image *	ResizeImage (const Image image, const unsigned long columns, const unsigned long rows, const FilterTypes filter, const double blur, ExceptionInfo exception)
MagickExport Image *	SampleImage (const Image image, const unsigned long columns, const unsigned long rows, ExceptionInfo exception)
MagickExport Image *	ScaleImage (const Image image, const unsigned long columns, const unsigned long rows, ExceptionInfo exception)
MagickExport void	SetResizeFilterSupport (ResizeFilter *resize_filter, const MagickRealType support)
MagickExport Image *	ThumbnailImage (const Image image, const unsigned long columns, const unsigned long rows, ExceptionInfo exception)
MagickExport Image *	ZoomImage (const Image image, const unsigned long columns, const unsigned long rows, ExceptionInfo exception)

Define Documentation

#define AdaptiveResizeImageTag "Resize/Image"

Referenced by AdaptiveResizeImage().

#define Alpha 6.5

Referenced by Kaiser().

#define I0A (1.0/I0(Alpha))

Referenced by Kaiser().

#define ResampleImageTag "Resample/Image"

#define ResizeImageTag "Resize/Image"

Referenced by HorizontalFilter(), and VerticalFilter().

#define SampleFactor 5

Referenced by ThumbnailImage().

#define SampleImageTag "Sample/Image"

Referenced by SampleImage().

#define ScaleImageTag "Scale/Image"

Referenced by ScaleImage().

#define WorkLoadFactor 0.265

Referenced by ResizeImage().

Typedef Documentation

typedef struct _ContributionInfo ContributionInfo

Function Documentation

static ContributionInfo** AcquireContributionThreadSet ( const size_t count ) [static]

Definition at line 1623 of file resize.c.

References AcquireAlignedMemory(), AcquireQuantumMemory(), DestroyContributionThreadSet(), GetOpenMPMaximumThreads(), and ResetMagickMemory().

Referenced by HorizontalFilter(), and VerticalFilter().

MagickExport ResizeFilter* AcquireResizeFilter	(	const Image *	image,
		const FilterTypes	filter,
		const MagickRealType	blur,
		const MagickBooleanType	cylindrical,
		ExceptionInfo *	exception
	)

Definition at line 454 of file resize.c.

References AcquireMagickMemory(), Bessel(), BesselFilter, Blackman(), BlackmanFilter, _ResizeFilter::blur, Bohman(), BohmanFilter, Box(), BoxFilter, CatromFilter, _ResizeFilter::cubic, CubicBC(), CubicFilter, _Image::debug, _Image::filename, _ResizeFilter::filter, Gaussian(), GaussianFilter, GetImageArtifact(), GetMagickModule, GetResizeFilterSupport(), GetResizeFilterWeight(), Hamming(), HammingFilter, Hanning(), HanningFilter, HermiteFilter, Kaiser(), KaiserFilter, Lagrange(), LagrangeFilter, LanczosFilter, LogMagickEvent(), MagickEpsilon, MagickFalse, MagickFilterOptions, MagickPI, MagickSignature, MitchellFilter, ParseMagickOption(), PointFilter, Quadratic(), QuadraticFilter, ResourceLimitFatalError, _ResizeFilter::scale, SentinelFilter, _ResizeFilter::signature, _ExceptionInfo::signature, _Image::signature, Sinc(), SincFilter, _ResizeFilter::support, ThrowFatalException, TraceEvent, Triangle(), TriangleFilter, UndefinedFilter, Welsh(), WelshFilter, _ResizeFilter::window(), and _ResizeFilter::window_support.

MagickExport Image* AdaptiveResizeImage	(	const Image *	image,
		const unsigned long	columns,
		const unsigned long	rows,
		ExceptionInfo *	exception
	)

static MagickRealType Bessel	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 131 of file resize.c.

References BesselOrderOne(), and MagickPI.

Referenced by AcquireResizeFilter().

static MagickRealType BesselOrderOne ( MagickRealType x )

Definition at line 1067 of file resize.c.

References J1(), MagickPI, P1(), and Q1().

Referenced by Bessel().

static MagickRealType Blackman	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 147 of file resize.c.

References MagickPI.

Referenced by AcquireResizeFilter().

static MagickRealType Bohman	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 156 of file resize.c.

References MagickPI.

Referenced by AcquireResizeFilter().

static MagickRealType Box	(	const MagickRealType	magick_unusedx,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 165 of file resize.c.

Referenced by AcquireResizeFilter(), and GetResizeFilterWeight().

static MagickRealType CubicBC	(	const MagickRealType	x,
		const ResizeFilter *	resize_filter
	)			`[static]`

Definition at line 174 of file resize.c.

References _ResizeFilter::cubic.

Referenced by AcquireResizeFilter().

static ContributionInfo** DestroyContributionThreadSet ( ContributionInfo ** contribution ) [static]

Definition at line 1608 of file resize.c.

References GetOpenMPMaximumThreads(), RelinquishAlignedMemory(), and RelinquishMagickMemory().

Referenced by AcquireContributionThreadSet(), HorizontalFilter(), and VerticalFilter().

MagickExport ResizeFilter* DestroyResizeFilter ( ResizeFilter * resize_filter )

Definition at line 1110 of file resize.c.

References MagickSignature, RelinquishMagickMemory(), and _ResizeFilter::signature.

Referenced by ResizeImage(), and SetResampleFilter().

static MagickRealType Gaussian	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 216 of file resize.c.

References MagickPI.

Referenced by AcquireResizeFilter().

MagickExport MagickRealType GetResizeFilterSupport ( const ResizeFilter * resize_filter )

Definition at line 1142 of file resize.c.

References _ResizeFilter::blur, MagickSignature, _ResizeFilter::signature, and _ResizeFilter::support.

MagickExport MagickRealType GetResizeFilterWeight	(	const ResizeFilter *	resize_filter,
		const MagickRealType	x
	)

Definition at line 1177 of file resize.c.

References _ResizeFilter::blur, Box(), _ResizeFilter::filter, MagickEpsilon, MagickSignature, _ResizeFilter::scale, _ResizeFilter::signature, _ResizeFilter::window(), and _ResizeFilter::window_support.

Referenced by AcquireResizeFilter(), HorizontalFilter(), SetResampleFilter(), and VerticalFilter().

static MagickRealType Hamming	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 231 of file resize.c.

References MagickPI.

Referenced by AcquireResizeFilter().

static MagickRealType Hanning	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 222 of file resize.c.

References MagickPI.

Referenced by AcquireResizeFilter().

static MagickBooleanType HorizontalFilter	(	const ResizeFilter *	resize_filter,
		const Image *	image,
		Image *	resize_image,
		const MagickRealType	x_factor,
		const MagickSizeType	span,
		MagickOffsetType *	quantum,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 1664 of file resize.c.

References AcquireCacheView(), AcquireContributionThreadSet(), _MagickPixelPacket::blue, CMYKColorspace, _Image::colorspace, _Image::columns, DestroyCacheView(), DestroyContributionThreadSet(), DirectClass, _Image::exception, _Image::filename, GetCacheViewAuthenticIndexQueue(), GetCacheViewVirtualIndexQueue(), GetCacheViewVirtualPixels(), GetMagickModule, GetOpenMPThreadId(), GetResizeFilterSupport(), GetResizeFilterWeight(), _MagickPixelPacket::green, _MagickPixelPacket::index, InheritException(), MagickEpsilon, MagickFalse, MagickMax(), MagickMin(), MagickTrue, _Image::matte, _MagickPixelPacket::opacity, _ContributionInfo::pixel, _Image::progress_monitor, PseudoClass, QuantumRange, QuantumScale, QueueCacheViewAuthenticPixels(), _MagickPixelPacket::red, ResetMagickMemory(), ResizeImageTag, ResourceLimitError, RoundToQuantum(), _Image::rows, SetImageProgress(), SetImageStorageClass(), _Image::storage_class, SyncCacheViewAuthenticPixels(), and ThrowMagickException().

Referenced by ResizeImage().

static MagickRealType I0 ( MagickRealType x ) [static]

Definition at line 917 of file resize.c.

References MagickEpsilon.

Referenced by Kaiser().

static MagickRealType J1 ( MagickRealType x ) [static]

Definition at line 942 of file resize.c.

Referenced by BesselOrderOne().

static MagickRealType Kaiser	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 240 of file resize.c.

References Alpha, I0(), and I0A.

Referenced by AcquireResizeFilter().

static MagickRealType Lagrange	(	const MagickRealType	x,
		const ResizeFilter *	resize_filter
	)			`[static]`

Definition at line 254 of file resize.c.

References _ResizeFilter::support, and _ResizeFilter::window_support.

Referenced by AcquireResizeFilter().

MagickExport Image* LiquidRescaleImage	(	const Image *	image,
		const unsigned long	magick_unusedcolumns,
		const unsigned long	magick_unusedrows,
		const double	magick_unuseddelta_x,
		const double	magick_unusedrigidity,
		ExceptionInfo *	exception
	)

Definition at line 1539 of file resize.c.

References _Image::debug, _Image::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, MissingDelegateError, _ExceptionInfo::signature, _Image::signature, ThrowMagickException(), and TraceEvent.

static double MagickMax	(	const double	x,
		const double	y
	)			`[inline, static]`

Definition at line 1650 of file resize.c.

Referenced by HorizontalFilter(), and VerticalFilter().

static double MagickMin	(	const double	x,
		const double	y
	)			`[inline, static]`

Definition at line 1657 of file resize.c.

Referenced by HorizontalFilter(), and VerticalFilter().

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

Definition at line 1226 of file resize.c.

References _Image::columns, CubicFilter, _Image::debug, _Image::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, ResizeImage(), _Image::rows, _ExceptionInfo::signature, _Image::signature, and TraceEvent.

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

Definition at line 1267 of file resize.c.

References _Image::columns, CubicFilter, _Image::debug, _Image::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, ResizeImage(), _Image::rows, _ExceptionInfo::signature, _Image::signature, and TraceEvent.

static MagickRealType P1 ( MagickRealType x ) [static]

Definition at line 988 of file resize.c.

Referenced by BesselOrderOne().

static MagickRealType Q1 ( MagickRealType x ) [static]

Definition at line 1028 of file resize.c.

Referenced by BesselOrderOne().

static MagickRealType Quadratic	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 289 of file resize.c.

Referenced by AcquireResizeFilter().

MagickExport Image* ResampleImage	(	const Image *	image,
		const double	x_resolution,
		const double	y_resolution,
		const FilterTypes	filter,
		const double	blur,
		ExceptionInfo *	exception
	)

Definition at line 1317 of file resize.c.

References _Image::columns, _Image::debug, _Image::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, ResizeImage(), _Image::rows, _ExceptionInfo::signature, _Image::signature, TraceEvent, _Image::x_resolution, and _Image::y_resolution.

MagickExport Image* ResizeImage	(	const Image *	image,
		const unsigned long	columns,
		const unsigned long	rows,
		const FilterTypes	filter,
		const double	blur,
		ExceptionInfo *	exception
	)

MagickExport Image* SampleImage	(	const Image *	image,
		const unsigned long	columns,
		const unsigned long	rows,
		ExceptionInfo *	exception
	)

MagickExport Image* ScaleImage	(	const Image *	image,
		const unsigned long	columns,
		const unsigned long	rows,
		ExceptionInfo *	exception
	)

Definition at line 2435 of file resize.c.

References AcquireQuantumMemory(), _MagickPixelPacket::blue, CloneImage(), _Image::columns, _Image::debug, DestroyImage(), DirectClass, _Image::exception, _Image::filename, GetAuthenticIndexQueue(), GetMagickModule, GetMagickPixelPacket(), GetVirtualIndexQueue(), GetVirtualPixels(), _MagickPixelPacket::green, _MagickPixelPacket::index, InheritException(), LogMagickEvent(), MagickFalse, MagickSignature, MagickTrue, _Image::matte, _MagickPixelPacket::opacity, QueueAuthenticPixels(), _MagickPixelPacket::red, RelinquishMagickMemory(), ResetMagickMemory(), ResourceLimitError, RoundToQuantum(), _Image::rows, ScaleImageTag, SetImageProgress(), SetImageStorageClass(), _ExceptionInfo::signature, _Image::signature, SyncAuthenticPixels(), ThrowImageException, TraceEvent, _Image::type, _PointInfo::x, and _PointInfo::y.

MagickExport void SetResizeFilterSupport	(	ResizeFilter *	resize_filter,
		const MagickRealType	support
	)

Definition at line 2820 of file resize.c.

References MagickSignature, _ResizeFilter::signature, and _ResizeFilter::support.

static MagickRealType Sinc	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 302 of file resize.c.

References MagickPI.

Referenced by AcquireResizeFilter().

MagickExport Image* ThumbnailImage	(	const Image *	image,
		const unsigned long	columns,
		const unsigned long	rows,
		ExceptionInfo *	exception
	)

Definition at line 2859 of file resize.c.

References _Image::columns, CopyMagickString(), _Image::debug, DeleteImageProfile(), DeleteImageProperty(), _Image::depth, DestroyImage(), _Image::filename, FormatMagickSize(), FormatMagickString(), GetBlobSize(), GetImageListLength(), GetMagickModule, GetMagickVersion(), GetNextImageProfile(), GetPathAttributes(), _Image::interlace, LocaleCompare(), LocaleLower(), LogMagickEvent(), _Image::magick, _Image::magick_columns, _Image::magick_filename, _Image::magick_rows, MagickFalse, MagickSignature, _Image::matte, MaxTextExtent, NoInterlace, OpaqueAlphaChannel, _Image::page, ParseAbsoluteGeometry(), ResetImageProfileIterator(), _Image::rows, SampleFactor, SampleImage(), SetImageAlphaChannel(), SetImageProperty(), _ExceptionInfo::signature, _Image::signature, stat, TraceEvent, and ZoomImage().

Referenced by MontageImageList(), PreviewImage(), and XMakeImage().

static MagickRealType Triangle	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 313 of file resize.c.

Referenced by AcquireResizeFilter().

static MagickBooleanType VerticalFilter	(	const ResizeFilter *	resize_filter,
		const Image *	image,
		Image *	resize_image,
		const MagickRealType	y_factor,
		const MagickSizeType	span,
		MagickOffsetType *	quantum,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 1907 of file resize.c.

References AcquireCacheView(), AcquireContributionThreadSet(), _MagickPixelPacket::blue, CMYKColorspace, _Image::colorspace, _Image::columns, DestroyCacheView(), DestroyContributionThreadSet(), DirectClass, _Image::exception, _Image::filename, GetCacheViewAuthenticIndexQueue(), GetCacheViewVirtualIndexQueue(), GetCacheViewVirtualPixels(), GetMagickModule, GetOpenMPThreadId(), GetResizeFilterSupport(), GetResizeFilterWeight(), _MagickPixelPacket::green, _MagickPixelPacket::index, InheritException(), MagickEpsilon, MagickFalse, MagickMax(), MagickMin(), MagickTrue, _Image::matte, _MagickPixelPacket::opacity, _ContributionInfo::pixel, _Image::progress_monitor, PseudoClass, QuantumRange, QuantumScale, QueueCacheViewAuthenticPixels(), _MagickPixelPacket::red, ResetMagickMemory(), ResizeImageTag, ResourceLimitError, RoundToQuantum(), _Image::rows, SetImageProgress(), SetImageStorageClass(), _Image::storage_class, SyncCacheViewAuthenticPixels(), and ThrowMagickException().

Referenced by ResizeImage().

static MagickRealType Welsh	(	const MagickRealType	x,
		const ResizeFilter *	magick_unusedresize_filter
	)			`[static]`

Definition at line 325 of file resize.c.

Referenced by AcquireResizeFilter().

MagickExport Image* ZoomImage	(	const Image *	image,
		const unsigned long	columns,
		const unsigned long	rows,
		ExceptionInfo *	exception
	)

Definition at line 2999 of file resize.c.

References _Image::blur, _Image::debug, _Image::filename, _Image::filter, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, ResizeImage(), _ExceptionInfo::signature, _Image::signature, and TraceEvent.

Referenced by MorphImages(), ThumbnailImage(), and TransformImage().

resize.c File Reference

Data Structures

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation