draw.c File Reference

#include "magick/studio.h"
#include "magick/annotate.h"
#include "magick/artifact.h"
#include "magick/blob.h"
#include "magick/cache.h"
#include "magick/cache-view.h"
#include "magick/color.h"
#include "magick/composite.h"
#include "magick/composite-private.h"
#include "magick/constitute.h"
#include "magick/draw.h"
#include "magick/draw-private.h"
#include "magick/enhance.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/gem.h"
#include "magick/geometry.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/log.h"
#include "magick/monitor.h"
#include "magick/option.h"
#include "magick/paint.h"
#include "magick/pixel-private.h"
#include "magick/property.h"
#include "magick/resample.h"
#include "magick/string_.h"
#include "magick/token.h"
#include "magick/transform.h"
#include "magick/utility.h"

Data Structures
struct	_EdgeInfo
struct	_ElementInfo
struct	_PolygonInfo
struct	_PathInfo
Defines
#define	BezierQuantum   200
#define	RenderImageTag   "Render/Image"
Typedefs
typedef struct _EdgeInfo	EdgeInfo
typedef struct _ElementInfo	ElementInfo
typedef struct _PolygonInfo	PolygonInfo
typedef struct _PathInfo	PathInfo
Enumerations
enum	PathInfoCode {   MoveToCode, OpenCode, GhostlineCode, LineToCode,   EndCode }
Functions
static PrimitiveInfo *	TraceStrokePolygon (const DrawInfo *, const PrimitiveInfo *)
static MagickBooleanType	DrawStrokePolygon (Image *, const DrawInfo *, const PrimitiveInfo *)
static unsigned long	TracePath (PrimitiveInfo *, const char *)
static void	TraceArc (PrimitiveInfo *, const PointInfo, const PointInfo, const PointInfo)
static void	TraceArcPath (PrimitiveInfo *, const PointInfo, const PointInfo, const PointInfo, const MagickRealType, const MagickBooleanType, const MagickBooleanType)
static void	TraceBezier (PrimitiveInfo *, const unsigned long)
static void	TraceCircle (PrimitiveInfo *, const PointInfo, const PointInfo)
static void	TraceEllipse (PrimitiveInfo *, const PointInfo, const PointInfo, const PointInfo)
static void	TraceLine (PrimitiveInfo *, const PointInfo, const PointInfo)
static void	TraceRectangle (PrimitiveInfo *, const PointInfo, const PointInfo)
static void	TraceRoundRectangle (PrimitiveInfo *, const PointInfo, const PointInfo, PointInfo)
static void	TraceSquareLinecap (PrimitiveInfo *, const unsigned long, const MagickRealType)
MagickExport DrawInfo *	AcquireDrawInfo (void)
MagickExport DrawInfo *	CloneDrawInfo (const ImageInfo *image_info, const DrawInfo *draw_info)
static int	CompareEdges (const void *x, const void *y)
static void	LogPolygonInfo (const PolygonInfo *polygon_info)
static void	ReversePoints (PointInfo *points, const unsigned long number_points)
static PolygonInfo *	ConvertPathToPolygon (const DrawInfo *magick_unused(draw_info), const PathInfo *path_info)
static void	LogPathInfo (const PathInfo *path_info)
static PathInfo *	ConvertPrimitiveToPath (const DrawInfo *magick_unused(draw_info), const PrimitiveInfo *primitive_info)
MagickExport DrawInfo *	DestroyDrawInfo (DrawInfo *draw_info)
static unsigned long	DestroyEdge (PolygonInfo *polygon_info, const unsigned long edge)
static void	DestroyPolygonInfo (PolygonInfo *polygon_info)
static SegmentInfo	AffineEdge (const Image *image, const AffineMatrix *affine, const double y, const SegmentInfo *edge)
static AffineMatrix	InverseAffineMatrix (const AffineMatrix *affine)
static long	MagickAbsoluteValue (const long x)
static double	MagickMax (const double x, const double y)
static double	MagickMin (const double x, const double y)
MagickExport MagickBooleanType	DrawAffineImage (Image *image, const Image *source, const AffineMatrix *affine)
static void	DrawBoundingRectangles (Image *image, const DrawInfo *draw_info, const PolygonInfo *polygon_info)
MagickExport MagickBooleanType	DrawClipPath (Image *image, const DrawInfo *draw_info, const char *name)
static MagickBooleanType	DrawDashPolygon (const DrawInfo *draw_info, const PrimitiveInfo *primitive_info, Image *image)
static MagickBooleanType	IsPoint (const char *point)
static void	TracePoint (PrimitiveInfo *primitive_info, const PointInfo point)
MagickExport MagickBooleanType	DrawImage (Image *image, const DrawInfo *draw_info)
static MagickRealType	GetStopColorOffset (const SegmentInfo *gradient_vector, const long x, const long y)
MagickExport MagickBooleanType	DrawGradientImage (Image *image, const DrawInfo *draw_info)
MagickExport MagickBooleanType	DrawPatternPath (Image *image, const DrawInfo *draw_info, const char *name, Image **pattern)
static MagickRealType	GetPixelOpacity (PolygonInfo *polygon_info, const MagickRealType mid, const MagickBooleanType fill, const FillRule fill_rule, const long x, const long y, MagickRealType *stroke_opacity)
static MagickBooleanType	DrawPolygonPrimitive (Image *image, const DrawInfo *draw_info, const PrimitiveInfo *primitive_info)
static void	LogPrimitiveInfo (const PrimitiveInfo *primitive_info)
MagickExport MagickBooleanType	DrawPrimitive (Image *image, const DrawInfo *draw_info, const PrimitiveInfo *primitive_info)
static void	DrawRoundLinecap (Image *image, const DrawInfo *draw_info, const PrimitiveInfo *primitive_info)
MagickExport void	GetAffineMatrix (AffineMatrix *affine_matrix)
MagickExport void	GetDrawInfo (const ImageInfo *image_info, DrawInfo *draw_info)
static MagickRealType	Permutate (const long n, const long k)

---

Define Documentation

#define BezierQuantum   200

#define RenderImageTag   "Render/Image"

---

Typedef Documentation

typedef struct _EdgeInfo EdgeInfo

typedef struct _ElementInfo ElementInfo

typedef struct _PathInfo PathInfo

typedef struct _PolygonInfo PolygonInfo

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Enumeration Type Documentation

enum PathInfoCode

Enumerator:

MoveToCode
OpenCode
GhostlineCode
LineToCode
EndCode

---

Function Documentation

MagickExport DrawInfo* AcquireDrawInfo

(

void

)

static SegmentInfo AffineEdge	(	const Image *	image,
		const AffineMatrix *	affine,
		const double	y,
		const SegmentInfo *	edge
	)			[static]

MagickExport DrawInfo* CloneDrawInfo	(	const ImageInfo *	image_info,
		const DrawInfo *	draw_info
	)

static int CompareEdges	(	const void *	x,
		const void *	y
	)			[static]

static PolygonInfo* ConvertPathToPolygon	(	const DrawInfo *	magick_unused(draw_info),
		const PathInfo *	path_info
	)			[static]

static PathInfo* ConvertPrimitiveToPath	(	const DrawInfo *	magick_unused(draw_info),
		const PrimitiveInfo *	primitive_info
	)			[static]

MagickExport DrawInfo* DestroyDrawInfo

(

DrawInfo *

draw_info

)

static unsigned long DestroyEdge	(	PolygonInfo *	polygon_info,
		const unsigned long	edge
	)			[static]

static void DestroyPolygonInfo

(

PolygonInfo *

polygon_info

)

[static]

MagickExport MagickBooleanType DrawAffineImage	(	Image *	image,
		const Image *	source,
		const AffineMatrix *	affine
	)

static void DrawBoundingRectangles	(	Image *	image,
		const DrawInfo *	draw_info,
		const PolygonInfo *	polygon_info
	)			[static]

MagickExport MagickBooleanType DrawClipPath	(	Image *	image,
		const DrawInfo *	draw_info,
		const char *	name
	)

static MagickBooleanType DrawDashPolygon	(	const DrawInfo *	draw_info,
		const PrimitiveInfo *	primitive_info,
		Image *	image
	)			[static]

MagickExport MagickBooleanType DrawGradientImage	(	Image *	image,
		const DrawInfo *	draw_info
	)

MagickExport MagickBooleanType DrawImage	(	Image *	image,
		const DrawInfo *	draw_info
	)

MagickExport MagickBooleanType DrawPatternPath	(	Image *	image,
		const DrawInfo *	draw_info,
		const char *	name,
		Image **	pattern
	)

static MagickBooleanType DrawPolygonPrimitive	(	Image *	image,
		const DrawInfo *	draw_info,
		const PrimitiveInfo *	primitive_info
	)			[static]

MagickExport MagickBooleanType DrawPrimitive	(	Image *	image,
		const DrawInfo *	draw_info,
		const PrimitiveInfo *	primitive_info
	)

static void DrawRoundLinecap	(	Image *	image,
		const DrawInfo *	draw_info,
		const PrimitiveInfo *	primitive_info
	)			[static]

static MagickBooleanType DrawStrokePolygon	(	Image *	image,
		const DrawInfo *	draw_info,
		const PrimitiveInfo *	primitive_info
	)			[static]

MagickExport void GetAffineMatrix

(

AffineMatrix *

affine_matrix

)

MagickExport void GetDrawInfo	(	const ImageInfo *	image_info,
		DrawInfo *	draw_info
	)

static MagickRealType GetPixelOpacity	(	PolygonInfo *	polygon_info,
		const MagickRealType	mid,
		const MagickBooleanType	fill,
		const FillRule	fill_rule,
		const long	x,
		const long	y,
		MagickRealType *	stroke_opacity
	)			[static]

static MagickRealType GetStopColorOffset	(	const SegmentInfo *	gradient_vector,
		const long	x,
		const long	y
	)			[inline, static]

static AffineMatrix InverseAffineMatrix

(

const AffineMatrix *

affine

)

[static]

static MagickBooleanType IsPoint

(

const char *

point

)

[inline, static]

static void LogPathInfo

(

const PathInfo *

path_info

)

[static]

static void LogPolygonInfo

(

const PolygonInfo *

polygon_info

)

[static]

static void LogPrimitiveInfo

(

const PrimitiveInfo *

primitive_info

)

[static]

static long MagickAbsoluteValue

(

const long

x

)

[inline, static]

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

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

static MagickRealType Permutate	(	const long	n,
		const long	k
	)			[inline, static]

static void ReversePoints	(	PointInfo *	points,
		const unsigned long	number_points
	)			[static]

static void TraceArc	(	PrimitiveInfo *	primitive_info,
		const	PointInfo,
		const	PointInfo,
		const	PointInfo
	)			[static]

static void TraceArcPath	(	PrimitiveInfo *	primitive_info,
		const	PointInfo,
		const	PointInfo,
		const	PointInfo,
		const	MagickRealType,
		const	MagickBooleanType,
		const	MagickBooleanType
	)

static void TraceBezier	(	PrimitiveInfo *	primitive_info,
		const unsigned long	number_coordinates
	)

static void TraceCircle	(	PrimitiveInfo *	primitive_info,
		const	PointInfo,
		const	PointInfo
	)

static void TraceEllipse	(	PrimitiveInfo *	primitive_info,
		const	PointInfo,
		const	PointInfo,
		const	PointInfo
	)

static void TraceLine	(	PrimitiveInfo *	primitive_info,
		const	PointInfo,
		const	PointInfo
	)

static unsigned long TracePath	(	PrimitiveInfo *	primitive_info,
		const char *	path
	)			[static]

static void TracePoint	(	PrimitiveInfo *	primitive_info,
		const PointInfo	point
	)			[inline, static]

static void TraceRectangle	(	PrimitiveInfo *	primitive_info,
		const	PointInfo,
		const	PointInfo
	)

static void TraceRoundRectangle	(	PrimitiveInfo *	primitive_info,
		const	PointInfo,
		const	PointInfo,
		PointInfo	arc
	)

static void TraceSquareLinecap	(	PrimitiveInfo *	primitive_info,
		const unsigned long	number_vertices,
		const	MagickRealType
	)

static PrimitiveInfo * TraceStrokePolygon	(	const DrawInfo *	draw_info,
		const PrimitiveInfo *	primitive_info
	)			[static]

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