shear.c File Reference

#include "magick/studio.h"
#include "magick/colorspace-private.h"
#include "magick/composite.h"
#include "magick/composite-private.h"
#include "magick/decorate.h"
#include "magick/draw.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/gem.h"
#include "magick/geometry.h"
#include "magick/image.h"
#include "magick/memory_.h"
#include "magick/list.h"
#include "magick/monitor.h"
#include "magick/pixel-private.h"
#include "magick/quantum.h"
#include "magick/shear.h"
#include "magick/transform.h"

Defines
#define	TileHeight   128
#define	TileWidth   128
#define	RotateImageTag   "Rotate/Image"
#define	XShearImageTag   "XShear/Image"
#define	YShearImageTag   "YShear/Image"
Functions
MagickExport Image *	AffineTransformImage (const Image *image, const AffineMatrix *affine_matrix, ExceptionInfo *exception)
static void	CropToFitImage (Image **image, const MagickRealType x_shear, const MagickRealType y_shear, const MagickRealType width, const MagickRealType height, const MagickBooleanType rotate, ExceptionInfo *exception)
static Image *	IntegralRotateImage (const Image *image, unsigned long rotations, ExceptionInfo *exception)
static MagickRealType	Blend_ (const MagickRealType p, const MagickRealType alpha, const MagickRealType q, const MagickRealType beta)
static void	MagickCompositeBlend (const MagickPixelPacket *p, const MagickRealType alpha, const MagickPixelPacket *q, const MagickRealType beta, const MagickRealType area, MagickPixelPacket *composite)
static void	XShearImage (Image *image, const MagickRealType degrees, const unsigned long width, const unsigned long height, const long x_offset, long y_offset)
static void	YShearImage (Image *image, const MagickRealType degrees, const unsigned long width, const unsigned long height, long x_offset, const long y_offset)
MagickExport Image *	RotateImage (const Image *image, const double degrees, ExceptionInfo *exception)
MagickExport Image *	ShearImage (const Image *image, const double x_shear, const double y_shear, ExceptionInfo *exception)

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Define Documentation

#define RotateImageTag   "Rotate/Image"

#define TileHeight   128

#define TileWidth   128

#define XShearImageTag   "XShear/Image"

#define YShearImageTag   "YShear/Image"

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Function Documentation

MagickExport Image* AffineTransformImage	(	const Image *	image,
		const AffineMatrix *	affine_matrix,
		ExceptionInfo *	exception
	)

static MagickRealType Blend_	(	const MagickRealType	p,
		const MagickRealType	alpha,
		const MagickRealType	q,
		const MagickRealType	beta
	)			[inline, static]

static void CropToFitImage	(	Image **	image,
		const MagickRealType	x_shear,
		const MagickRealType	y_shear,
		const MagickRealType	width,
		const MagickRealType	height,
		const MagickBooleanType	rotate,
		ExceptionInfo *	exception
	)			[inline, static]

static Image* IntegralRotateImage	(	const Image *	image,
		unsigned long	rotations,
		ExceptionInfo *	exception
	)			[static]

static void MagickCompositeBlend	(	const MagickPixelPacket *	p,
		const MagickRealType	alpha,
		const MagickPixelPacket *	q,
		const MagickRealType	beta,
		const MagickRealType	area,
		MagickPixelPacket *	composite
	)			[inline, static]

MagickExport Image* RotateImage	(	const Image *	image,
		const double	degrees,
		ExceptionInfo *	exception
	)

MagickExport Image* ShearImage	(	const Image *	image,
		const double	x_shear,
		const double	y_shear,
		ExceptionInfo *	exception
	)

static void XShearImage	(	Image *	image,
		const MagickRealType	degrees,
		const unsigned long	width,
		const unsigned long	height,
		const long	x_offset,
		long	y_offset
	)			[static]

static void YShearImage	(	Image *	image,
		const MagickRealType	degrees,
		const unsigned long	width,
		const unsigned long	height,
		long	x_offset,
		const long	y_offset
	)			[static]

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