draw.c File Reference

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

Include dependency graph for draw.c:

Go to the source code of this file.

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 MagickBooleanType	DrawStrokePolygon (Image *, const DrawInfo *, const PrimitiveInfo *, ExceptionInfo *)
static PrimitiveInfo *	TraceStrokePolygon (const DrawInfo *, const PrimitiveInfo *)
static size_t	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 size_t)
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 size_t, 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 size_t 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 size_t	DestroyEdge (PolygonInfo *polygon_info, const size_t edge)
static PolygonInfo *	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 ssize_t	MagickAbsoluteValue (const ssize_t 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, ExceptionInfo *exception)
static void	DrawBoundingRectangles (Image *image, const DrawInfo *draw_info, const PolygonInfo *polygon_info, ExceptionInfo *exception)
MagickExport MagickBooleanType	DrawClipPath (Image *image, const DrawInfo *draw_info, const char *name, ExceptionInfo *exception)
static MagickBooleanType	DrawDashPolygon (const DrawInfo *draw_info, const PrimitiveInfo *primitive_info, Image *image, ExceptionInfo *exception)
static MagickBooleanType	IsPoint (const char *point)
static void	TracePoint (PrimitiveInfo *primitive_info, const PointInfo point)
MagickExport MagickBooleanType	DrawImage (Image *image, const DrawInfo *draw_info, ExceptionInfo *exception)
static MagickRealType	GetStopColorOffset (const GradientInfo *gradient, const ssize_t x, const ssize_t y)
MagickExport MagickBooleanType	DrawGradientImage (Image *image, const DrawInfo *draw_info, ExceptionInfo *exception)
MagickExport MagickBooleanType	DrawPatternPath (Image *image, const DrawInfo *draw_info, const char *name, Image **pattern, ExceptionInfo *exception)
static PolygonInfo **	DestroyPolygonThreadSet (PolygonInfo **polygon_info)
static PolygonInfo **	AcquirePolygonThreadSet (const DrawInfo *draw_info, const PrimitiveInfo *primitive_info)
static MagickRealType	GetFillAlpha (PolygonInfo *polygon_info, const MagickRealType mid, const MagickBooleanType fill, const FillRule fill_rule, const double x, const double y, MagickRealType *stroke_alpha)
static MagickBooleanType	DrawPolygonPrimitive (Image *image, const DrawInfo *draw_info, const PrimitiveInfo *primitive_info, ExceptionInfo *exception)
static void	LogPrimitiveInfo (const PrimitiveInfo *primitive_info)
MagickExport MagickBooleanType	DrawPrimitive (Image *image, const DrawInfo *draw_info, const PrimitiveInfo *primitive_info, ExceptionInfo *exception)
static void	DrawRoundLinecap (Image *image, const DrawInfo *draw_info, const PrimitiveInfo *primitive_info, ExceptionInfo *exception)
MagickExport void	GetAffineMatrix (AffineMatrix *affine_matrix)
MagickExport void	GetDrawInfo (const ImageInfo *image_info, DrawInfo *draw_info)
static MagickRealType	Permutate (const ssize_t n, const ssize_t k)

---

Define Documentation

#define BezierQuantum   200

Definition at line 86 of file draw.c.

Referenced by DrawImage(), TraceBezier(), and TraceStrokePolygon().

#define RenderImageTag   "Render/Image"

Referenced by DrawImage().

---

Typedef Documentation

typedef struct _EdgeInfo EdgeInfo

typedef struct _ElementInfo ElementInfo

typedef struct _PathInfo PathInfo

typedef struct _PolygonInfo PolygonInfo

---

Enumeration Type Documentation

enum PathInfoCode

Enumerator:

MoveToCode
OpenCode
GhostlineCode
LineToCode
EndCode

Definition at line 134 of file draw.c.

---

Function Documentation

MagickExport DrawInfo* AcquireDrawInfo

(

void

)

Definition at line 196 of file draw.c.

References AcquireMagickMemory(), ThrowFatalException, ResourceLimitFatalError, and GetDrawInfo().

Referenced by GradientImage().

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

Definition at line 3559 of file draw.c.

References GetOpenMPMaximumThreads(), AcquireQuantumMemory(), ResetMagickMemory(), ConvertPrimitiveToPath(), DestroyPolygonThreadSet(), ConvertPathToPolygon(), and RelinquishMagickMemory().

Referenced by DrawPolygonPrimitive().

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

Definition at line 949 of file draw.c.

References _SegmentInfo::x1, _SegmentInfo::y1, _SegmentInfo::x2, _SegmentInfo::y2, _AffineMatrix::ry, _AffineMatrix::tx, _AffineMatrix::sx, MagickEpsilon, _Image::columns, _AffineMatrix::sy, _AffineMatrix::ty, _AffineMatrix::rx, and _Image::rows.

Referenced by DrawAffineImage().

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

Definition at line 235 of file draw.c.

References AcquireMagickMemory(), ThrowFatalException, ResourceLimitFatalError, GetDrawInfo(), AcquireExceptionInfo(), CloneString(), _DrawInfo::primitive, _DrawInfo::geometry, _DrawInfo::viewbox, _DrawInfo::affine, _DrawInfo::gravity, _DrawInfo::fill, _DrawInfo::stroke, _DrawInfo::stroke_width, _DrawInfo::fill_pattern, CloneImage(), MagickTrue, _DrawInfo::stroke_pattern, _DrawInfo::stroke_antialias, _DrawInfo::text_antialias, _DrawInfo::fill_rule, _DrawInfo::linecap, _DrawInfo::linejoin, _DrawInfo::miterlimit, _DrawInfo::dash_offset, _DrawInfo::decorate, _DrawInfo::compose, _DrawInfo::text, _DrawInfo::font, _DrawInfo::metrics, _DrawInfo::family, _DrawInfo::style, _DrawInfo::stretch, _DrawInfo::weight, _DrawInfo::encoding, _DrawInfo::pointsize, _DrawInfo::kerning, _DrawInfo::interline_spacing, _DrawInfo::interword_spacing, _DrawInfo::direction, _DrawInfo::density, _DrawInfo::align, _DrawInfo::undercolor, _DrawInfo::border_color, _DrawInfo::server_name, _DrawInfo::dash_pattern, AcquireQuantumMemory(), CopyMagickMemory(), _DrawInfo::gradient, _GradientInfo::stops, _GradientInfo::number_stops, _DrawInfo::clip_mask, _DrawInfo::bounds, _DrawInfo::clip_units, _DrawInfo::render, _DrawInfo::alpha, _DrawInfo::element_reference, _DrawInfo::debug, IsEventLogging(), and DestroyExceptionInfo().

Referenced by AnnotateImage(), GetMultilineTypeMetrics(), GetTypeMetrics(), RenderType(), DrawBoundingRectangles(), DrawClipPath(), DrawDashPolygon(), DrawImage(), DrawPatternPath(), DrawPrimitive(), DrawStrokePolygon(), PolaroidImage(), VignetteImage(), and MontageImageList().

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

Definition at line 368 of file draw.c.

References _EdgeInfo::points, _PointInfo::y, MagickEpsilon, and _PointInfo::x.

Referenced by ConvertPathToPolygon().

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

Definition at line 443 of file draw.c.

References AcquireMagickMemory(), _PolygonInfo::edges, AcquireQuantumMemory(), MagickFalse, ResetMagickMemory(), _PathInfo::code, EndCode, MoveToCode, OpenCode, GhostlineCode, ResizeQuantumMemory(), _EdgeInfo::number_points, _EdgeInfo::scanline, _EdgeInfo::highwater, _EdgeInfo::ghostline, _EdgeInfo::direction, ReversePoints(), _EdgeInfo::points, _EdgeInfo::bounds, _SegmentInfo::y1, _PointInfo::y, _SegmentInfo::y2, MagickTrue, _PathInfo::point, _SegmentInfo::x1, _PointInfo::x, _SegmentInfo::x2, RelinquishMagickMemory(), _PolygonInfo::number_edges, CompareEdges(), IsEventLogging(), and LogPolygonInfo().

Referenced by AcquirePolygonThreadSet().

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

Definition at line 689 of file draw.c.

References _PrimitiveInfo::primitive, PointPrimitive, ColorPrimitive, MattePrimitive, TextPrimitive, ImagePrimitive, UndefinedPrimitive, AcquireQuantumMemory(), _PointInfo::x, _PointInfo::y, LineToCode, _PrimitiveInfo::point, MoveToCode, MagickEpsilon, _PathInfo::code, _PathInfo::point, OpenCode, GhostlineCode, EndCode, IsEventLogging(), MagickFalse, and LogPathInfo().

Referenced by AcquirePolygonThreadSet().

MagickExport DrawInfo* DestroyDrawInfo

(

DrawInfo *

draw_info

)

Definition at line 805 of file draw.c.

References _DrawInfo::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _DrawInfo::signature, MagickSignature, _DrawInfo::primitive, DestroyString(), _DrawInfo::text, _DrawInfo::geometry, _DrawInfo::fill_pattern, DestroyImage(), _DrawInfo::stroke_pattern, _DrawInfo::font, _DrawInfo::metrics, _DrawInfo::family, _DrawInfo::encoding, _DrawInfo::density, _DrawInfo::server_name, RelinquishMagickMemory(), _DrawInfo::dash_pattern, _DrawInfo::gradient, _GradientInfo::stops, and _DrawInfo::clip_mask.

Referenced by AnnotateImage(), GetMultilineTypeMetrics(), GetTypeMetrics(), RenderType(), DrawBoundingRectangles(), DrawClipPath(), DrawDashPolygon(), DrawImage(), DrawPatternPath(), DrawPrimitive(), DrawStrokePolygon(), PolaroidImage(), VignetteImage(), MontageImageList(), and GradientImage().

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

Definition at line 871 of file draw.c.

References _PolygonInfo::edges, _EdgeInfo::points, RelinquishMagickMemory(), _PolygonInfo::number_edges, and CopyMagickMemory().

Referenced by GetFillAlpha().

static PolygonInfo* DestroyPolygonInfo

(

PolygonInfo *

polygon_info

)

[static]

Definition at line 906 of file draw.c.

References _PolygonInfo::number_edges, _PolygonInfo::edges, _EdgeInfo::points, and RelinquishMagickMemory().

Referenced by DestroyPolygonThreadSet().

static PolygonInfo** DestroyPolygonThreadSet

(

PolygonInfo **

polygon_info

)

[static]

Definition at line 3546 of file draw.c.

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

Referenced by AcquirePolygonThreadSet(), and DrawPolygonPrimitive().

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

Definition at line 1076 of file draw.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, _PointInfo::x, _PointInfo::y, _Image::columns, _Image::rows, _AffineMatrix::sx, _AffineMatrix::ry, _AffineMatrix::tx, _AffineMatrix::rx, _AffineMatrix::sy, _AffineMatrix::ty, SetImageStorageClass(), DirectClass, MagickTrue, _SegmentInfo::x1, MagickMax(), _SegmentInfo::y1, _SegmentInfo::x2, MagickMin(), _SegmentInfo::y2, InverseAffineMatrix(), GetPixelInfo(), AcquireCacheView(), AffineEdge(), GetCacheViewAuthenticPixels(), InterpolatePixelInfo(), UndefinedInterpolatePixel, GetPixelInfoPixel(), CompositePixelInfoOver(), _PixelInfo::alpha, SetPixelInfoPixel(), GetPixelChannels(), SyncCacheViewAuthenticPixels(), and DestroyCacheView().

Referenced by DrawPrimitive().

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

Definition at line 1250 of file draw.c.

References CloneDrawInfo(), QueryColorCompliance(), AllCompliance, _DrawInfo::fill, _PointInfo::x, DefaultResolution, _PointInfo::y, _DrawInfo::density, ParseGeometry(), _GeometryInfo::rho, _GeometryInfo::sigma, SigmaValue, MagickFalse, ExpandAffine(), _DrawInfo::affine, _DrawInfo::stroke_width, _SegmentInfo::x1, _SegmentInfo::y1, _SegmentInfo::x2, _SegmentInfo::y2, _PolygonInfo::edges, _EdgeInfo::bounds, _PolygonInfo::number_edges, _Image::columns, _Image::rows, _EdgeInfo::direction, _DrawInfo::stroke, _PrimitiveInfo::primitive, RectanglePrimitive, TraceRectangle(), _PrimitiveInfo::method, ReplaceMethod, UndefinedPrimitive, DrawPrimitive(), and DestroyDrawInfo().

Referenced by DrawPolygonPrimitive().

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

Definition at line 1391 of file draw.c.

References MaxTextExtent, _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, FormatLocaleString(), GetImageArtifact(), CloneImage(), _Image::columns, _Image::rows, MagickTrue, QueryColorCompliance(), AllCompliance, _Image::background_color, _PixelInfo::alpha, TransparentAlpha, SetImageBackgroundColor(), DrawEvent, _DrawInfo::clip_mask, CloneDrawInfo(), CloneString(), _DrawInfo::primitive, _DrawInfo::fill, NegateImage(), SetImageMask(), DestroyImage(), DestroyDrawInfo(), and DrawImage().

Referenced by DrawImage().

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

Definition at line 1474 of file draw.c.

References _Image::debug, MagickFalse, LogMagickEvent(), DrawEvent, GetMagickModule, CloneDrawInfo(), _DrawInfo::miterlimit, _PrimitiveInfo::primitive, UndefinedPrimitive, AcquireQuantumMemory(), ExpandAffine(), _DrawInfo::affine, _DrawInfo::dash_pattern, _DrawInfo::dash_offset, MagickTrue, _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, _PrimitiveInfo::coordinates, DrawStrokePolygon(), MagickEpsilon, RelinquishMagickMemory(), and DestroyDrawInfo().

Referenced by DrawPrimitive().

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

Definition at line 3198 of file draw.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, _DrawInfo::gradient, _GradientInfo::gradient_vector, _PointInfo::x, _SegmentInfo::x2, _SegmentInfo::x1, _PointInfo::y, _SegmentInfo::y2, _SegmentInfo::y1, _GradientInfo::bounding_box, MagickTrue, GetPixelInfo(), AcquireCacheView(), _RectangleInfo::y, _RectangleInfo::height, GetCacheViewAuthenticPixels(), _Image::columns, GetStopColorOffset(), _GradientInfo::type, RadialGradient, _RectangleInfo::x, _RectangleInfo::width, GetPixelInfoPixel(), _GradientInfo::spread, UndefinedSpread, PadSpread, _GradientInfo::number_stops, _GradientInfo::stops, _StopInfo::color, _StopInfo::offset, CompositePixelInfoBlend(), ReflectSpread, RepeatSpread, LinearGradient, and _GradientInfo::radius.

Referenced by GradientImage().

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

Definition at line 1667 of file draw.c.

References MaxTextExtent, _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, _DrawInfo::signature, _DrawInfo::primitive, DrawEvent, AcquireString(), FileToString(), SetImageArtifact(), AcquireMagickMemory(), DestroyString(), ThrowBinaryException, ResourceLimitError, AcquireQuantumMemory(), DestroyDrawInfo(), RelinquishMagickMemory(), CloneDrawInfo(), _DrawInfo::viewbox, _Image::page, _RectangleInfo::width, _RectangleInfo::height, _Image::columns, _Image::rows, QueryColorCompliance(), AllCompliance, SetImageStorageClass(), DirectClass, MagickTrue, GetMagickToken(), UndefinedPrimitive, _DrawInfo::affine, GetAffineMatrix(), LocaleCompare(), _AffineMatrix::sx, StringToDouble(), _AffineMatrix::rx, _AffineMatrix::ry, _AffineMatrix::sy, _AffineMatrix::tx, _AffineMatrix::ty, ArcPrimitive, BezierPrimitive, CloneString(), DrawClipPath(), ParseCommandOption(), MagickFillRuleOptions, _DrawInfo::fill_rule, MagickClipPathOptions, _DrawInfo::clip_units, ObjectBoundingBox, _DrawInfo::bounds, _SegmentInfo::x2, _SegmentInfo::y2, _SegmentInfo::x1, _SegmentInfo::y1, CirclePrimitive, ColorPrimitive, MagickDecorateOptions, _DrawInfo::decorate, EllipsePrimitive, FormatLocaleString(), GetImageArtifact(), DrawPatternPath(), AcquireImageInfo(), CopyMagickString(), _ImageInfo::filename, _DrawInfo::fill_pattern, ReadImage(), CatchException(), DestroyImageInfo(), _DrawInfo::fill, _PixelInfo::alpha, QuantumRange, _DrawInfo::pointsize, MagickStretchOptions, _DrawInfo::stretch, MagickStyleOptions, _DrawInfo::style, _DrawInfo::weight, StringToUnsignedLong(), MagickGravityOptions, _DrawInfo::gravity, ImagePrimitive, MagickComposeOptions, _DrawInfo::compose, _DrawInfo::interline_spacing, _DrawInfo::interword_spacing, _DrawInfo::kerning, LinePrimitive, MattePrimitive, _DrawInfo::alpha, ClampToQuantum(), QuantumScale, _DrawInfo::stroke, PathPrimitive, PointPrimitive, PolylinePrimitive, PolygonPrimitive, ThrowMagickException(), DrawError, SetImageMask(), MagickMax(), _RectangleInfo::x, _RectangleInfo::y, ResizeQuantumMemory(), RectanglePrimitive, DegreesToRadians(), RoundRectanglePrimitive, GradientImage(), LinearGradient, ReflectSpread, _DrawInfo::stroke_pattern, _DrawInfo::stroke_antialias, StringToLong(), _DrawInfo::dash_pattern, IsPoint(), _DrawInfo::dash_offset, MagickLineCapOptions, _DrawInfo::linecap, MagickLineJoinOptions, _DrawInfo::linejoin, _DrawInfo::miterlimit, _DrawInfo::stroke_width, TextPrimitive, MagickAlignOptions, _DrawInfo::align, _DrawInfo::text_antialias, _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, _PrimitiveInfo::primitive, _PrimitiveInfo::coordinates, _PrimitiveInfo::method, FloodfillMethod, _PrimitiveInfo::text, BezierQuantum, MagickPI, TracePoint(), TraceLine(), TraceRectangle(), TraceRoundRectangle(), TraceArc(), TraceEllipse(), TraceCircle(), TraceBezier(), TracePath(), MagickMethodOptions, ThrowFatalException, ResourceLimitFatalError, _DrawInfo::clip_mask, DrawPrimitive(), SetImageProgress(), and RenderImageTag.

Referenced by AnnotateImage(), DrawClipPath(), DrawPatternPath(), and VignetteImage().

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

Definition at line 3458 of file draw.c.

References MaxTextExtent, _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, FormatLocaleString(), GetImageArtifact(), DestroyImage(), AcquireImageInfo(), _ImageInfo::size, AcquireString(), AcquireImage(), DestroyImageInfo(), QueryColorCompliance(), AllCompliance, SetImageBackgroundColor(), DrawEvent, CloneDrawInfo(), _DrawInfo::fill_pattern, NewImageList(), _DrawInfo::stroke_pattern, CloneString(), _DrawInfo::primitive, DrawImage(), and DestroyDrawInfo().

Referenced by DrawImage().

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

Definition at line 3765 of file draw.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, _DrawInfo::signature, _PrimitiveInfo::coordinates, MagickTrue, AcquirePolygonThreadSet(), DrawBoundingRectangles(), DrawEvent, _PrimitiveInfo::method, FillToBorderMethod, FloodfillMethod, ExpandAffine(), _DrawInfo::affine, _DrawInfo::stroke_width, _EdgeInfo::bounds, _SegmentInfo::x1, _SegmentInfo::y1, _SegmentInfo::x2, _SegmentInfo::y2, _Image::columns, _Image::rows, AcquireCacheView(), GetCacheViewAuthenticPixels(), GetPixelInfo(), _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, GetStrokeColor(), SetPixelInfoPixel(), GetPixelChannels(), SyncCacheViewAuthenticPixels(), DestroyCacheView(), DestroyPolygonThreadSet(), _Image::matte, SetImageAlphaChannel(), OpaqueAlphaChannel, GetOpenMPThreadId(), GetFillAlpha(), _DrawInfo::fill_rule, _DrawInfo::stroke_antialias, GetFillColor(), _PixelInfo::alpha, CompositePixelOver(), and GetPixelAlpha().

Referenced by DrawPrimitive(), DrawRoundLinecap(), and DrawStrokePolygon().

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

Definition at line 4115 of file draw.c.

References _Image::debug, MagickFalse, LogMagickEvent(), DrawEvent, GetMagickModule, _DrawInfo::affine, _AffineMatrix::sx, _AffineMatrix::rx, _AffineMatrix::ry, _AffineMatrix::sy, _AffineMatrix::tx, _AffineMatrix::ty, MagickTrue, _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, AcquireCacheView(), _PrimitiveInfo::primitive, PointPrimitive, _Image::rows, _Image::columns, GetCacheViewAuthenticPixels(), GetFillColor(), CompositePixelOver(), _PixelInfo::alpha, GetPixelAlpha(), SyncCacheViewAuthenticPixels(), ColorPrimitive, _PrimitiveInfo::method, PointMethod, GetPixelInfo(), SetPixelInfoPixel(), ReplaceMethod, CompositePixelChannel, GetOneCacheViewVirtualPixel(), _PixelInfo::red, RedPixelChannel, _PixelInfo::green, GreenPixelChannel, _PixelInfo::blue, BluePixelChannel, AlphaPixelChannel, GetPixelInfoPixel(), IsFuzzyEquivalencePixelInfo(), GetPixelChannels(), FloodfillMethod, FillToBorderMethod, GetOneVirtualPixelInfo(), TileVirtualPixelMethod, _DrawInfo::border_color, FloodfillPaintImage(), ResetMethod, MattePrimitive, _Image::matte, SetImageAlphaChannel(), OpaqueAlphaChannel, SetPixelAlpha(), ClampToQuantum(), SetPixelChannelMask(), AlphaChannel, TextPrimitive, MaxTextExtent, _PrimitiveInfo::text, CloneDrawInfo(), CloneString(), _DrawInfo::text, FormatLocaleString(), _DrawInfo::geometry, AnnotateImage(), DestroyDrawInfo(), ImagePrimitive, AcquireImageInfo(), LocaleNCompare(), ReadInlineImage(), CopyMagickString(), _ImageInfo::filename, ReadImage(), DestroyImageInfo(), SetImageProgressMonitor(), _Image::filter, TransformImage(), _DrawInfo::alpha, OpaqueAlpha, SetImageAlpha(), SetGeometry(), _Image::gravity, _DrawInfo::gravity, _RectangleInfo::x, _RectangleInfo::y, ParseGravityGeometry(), _Image::interpolate, _DrawInfo::compose, OverCompositeOp, DrawAffineImage(), CompositeImage(), DestroyImage(), IsEventLogging(), LogPrimitiveInfo(), ExpandAffine(), _DrawInfo::dash_pattern, _DrawInfo::stroke_width, MagickEpsilon, _DrawInfo::stroke, TransparentAlpha, DrawPolygonPrimitive(), DrawDashPolygon(), UndefinedPrimitive, _DrawInfo::linecap, RoundCap, _DrawInfo::linejoin, RoundJoin, DrawStrokePolygon(), and DestroyCacheView().

Referenced by DrawBoundingRectangles(), and DrawImage().

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

Definition at line 4622 of file draw.c.

References _PrimitiveInfo::coordinates, _PrimitiveInfo::point, _PointInfo::x, MagickEpsilon, _PointInfo::y, _PrimitiveInfo::primitive, UndefinedPrimitive, and DrawPolygonPrimitive().

Referenced by DrawStrokePolygon().

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

Definition at line 4642 of file draw.c.

References _Image::debug, MagickFalse, LogMagickEvent(), DrawEvent, GetMagickModule, CloneDrawInfo(), _DrawInfo::fill, _DrawInfo::stroke, _DrawInfo::fill_pattern, DestroyImage(), _DrawInfo::stroke_pattern, CloneImage(), MagickTrue, _PixelInfo::alpha, TransparentAlpha, _DrawInfo::stroke_width, _DrawInfo::fill_rule, NonZeroRule, _PrimitiveInfo::primitive, UndefinedPrimitive, _PrimitiveInfo::coordinates, TraceStrokePolygon(), DrawPolygonPrimitive(), RelinquishMagickMemory(), _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, _DrawInfo::linecap, RoundCap, DrawRoundLinecap(), and DestroyDrawInfo().

Referenced by DrawDashPolygon(), and DrawPrimitive().

MagickExport void GetAffineMatrix

(

AffineMatrix *

affine_matrix

)

Definition at line 4721 of file draw.c.

References LogMagickEvent(), TraceEvent, GetMagickModule, ResetMagickMemory(), _AffineMatrix::sx, and _AffineMatrix::sy.

Referenced by DrawImage(), GetDrawInfo(), and ParseAffineGeometry().

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

Definition at line 4754 of file draw.c.

References LogMagickEvent(), TraceEvent, GetMagickModule, ResetMagickMemory(), GetAffineMatrix(), _DrawInfo::affine, AcquireExceptionInfo(), QueryColorCompliance(), AllCompliance, _DrawInfo::fill, _DrawInfo::stroke, _DrawInfo::stroke_width, _DrawInfo::alpha, OpaqueAlpha, _DrawInfo::fill_rule, EvenOddRule, _DrawInfo::linecap, ButtCap, _DrawInfo::linejoin, MiterJoin, _DrawInfo::miterlimit, _DrawInfo::decorate, NoDecoration, _DrawInfo::pointsize, _DrawInfo::undercolor, _PixelInfo::alpha, TransparentAlpha, _DrawInfo::compose, OverCompositeOp, _DrawInfo::render, MagickTrue, _DrawInfo::debug, IsEventLogging(), _DrawInfo::stroke_antialias, _ImageInfo::antialias, _ImageInfo::font, _DrawInfo::font, AcquireString(), _ImageInfo::density, _DrawInfo::density, _DrawInfo::text_antialias, _ImageInfo::pointsize, _DrawInfo::border_color, _ImageInfo::border_color, _ImageInfo::server_name, _DrawInfo::server_name, GetImageOption(), CloneString(), _DrawInfo::encoding, _DrawInfo::kerning, StringToDouble(), _DrawInfo::interline_spacing, _DrawInfo::interword_spacing, _DrawInfo::direction, ParseCommandOption(), MagickDirectionOptions, MagickFalse, UndefinedDirection, _DrawInfo::gravity, MagickGravityOptions, DestroyExceptionInfo(), _DrawInfo::signature, and MagickSignature.

Referenced by AcquireDrawInfo(), and CloneDrawInfo().

static MagickRealType GetFillAlpha	(	PolygonInfo *	polygon_info,
		const MagickRealType	mid,
		const MagickBooleanType	fill,
		const FillRule	fill_rule,
		const double	x,
		const double	y,
		MagickRealType *	stroke_alpha
	)		[static]

Definition at line 3594 of file draw.c.

References _PolygonInfo::edges, _PolygonInfo::number_edges, _EdgeInfo::bounds, _SegmentInfo::y1, _SegmentInfo::y2, DestroyEdge(), _SegmentInfo::x1, _SegmentInfo::x2, MagickMax(), _EdgeInfo::highwater, _EdgeInfo::number_points, _EdgeInfo::points, _PointInfo::y, _EdgeInfo::scanline, _PointInfo::x, _EdgeInfo::ghostline, MagickFalse, _EdgeInfo::direction, NonZeroRule, and MagickAbsoluteValue().

Referenced by DrawPolygonPrimitive().

static MagickRealType GetStopColorOffset	(	const GradientInfo *	gradient,
		const ssize_t	x,
		const ssize_t	y
	)		[inline, static]

Definition at line 3144 of file draw.c.

References _GradientInfo::type, UndefinedGradient, LinearGradient, _GradientInfo::gradient_vector, _PointInfo::x, _SegmentInfo::x2, _SegmentInfo::x1, _PointInfo::y, _SegmentInfo::y2, _SegmentInfo::y1, MagickEpsilon, RadialGradient, _GradientInfo::center, _GradientInfo::spread, RepeatSpread, and _GradientInfo::radius.

Referenced by DrawGradientImage().

static AffineMatrix InverseAffineMatrix

(

const AffineMatrix *

affine

)

[static]

Definition at line 1035 of file draw.c.

References _AffineMatrix::sx, _AffineMatrix::sy, _AffineMatrix::rx, _AffineMatrix::ry, _AffineMatrix::tx, and _AffineMatrix::ty.

Referenced by DrawAffineImage().

static MagickBooleanType IsPoint

(

const char *

point

)

[inline, static]

Definition at line 1648 of file draw.c.

References StringToDouble(), MagickFalse, and MagickTrue.

Referenced by DrawImage(), and TracePath().

static void LogPathInfo

(

const PathInfo *

path_info

)

[static]

Definition at line 674 of file draw.c.

References LogMagickEvent(), DrawEvent, GetMagickModule, _PathInfo::code, EndCode, _PathInfo::point, _PointInfo::x, _PointInfo::y, GhostlineCode, OpenCode, MoveToCode, and LineToCode.

Referenced by ConvertPrimitiveToPath().

static void LogPolygonInfo

(

const PolygonInfo *

polygon_info

)

[static]

Definition at line 397 of file draw.c.

References LogMagickEvent(), DrawEvent, GetMagickModule, _PolygonInfo::edges, _PolygonInfo::number_edges, _EdgeInfo::direction, MagickFalse, _EdgeInfo::ghostline, _EdgeInfo::bounds, _SegmentInfo::x1, _SegmentInfo::y1, _SegmentInfo::x2, _SegmentInfo::y2, _EdgeInfo::number_points, _EdgeInfo::points, _PointInfo::x, and _PointInfo::y.

Referenced by ConvertPathToPolygon().

static void LogPrimitiveInfo

(

const PrimitiveInfo *

primitive_info

)

[static]

Definition at line 4013 of file draw.c.

References _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, _PrimitiveInfo::primitive, PointPrimitive, LogMagickEvent(), DrawEvent, GetMagickModule, _PrimitiveInfo::method, ColorPrimitive, MattePrimitive, TextPrimitive, ImagePrimitive, UndefinedPrimitive, and MagickEpsilon.

Referenced by DrawPrimitive().

static ssize_t MagickAbsoluteValue

(

const ssize_t

x

)

[inline, static]

Definition at line 1055 of file draw.c.

Referenced by GetFillAlpha().

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

Definition at line 1062 of file draw.c.

Referenced by DrawAffineImage(), DrawImage(), GetFillAlpha(), and TraceEllipse().

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

Definition at line 1069 of file draw.c.

Referenced by DrawAffineImage(), and TraceBezier().

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

Definition at line 4866 of file draw.c.

Referenced by TraceBezier().

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

Definition at line 427 of file draw.c.

Referenced by ConvertPathToPolygon().

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

Definition at line 4898 of file draw.c.

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

Referenced by DrawImage().

static void TraceArcPath	(	PrimitiveInfo *	primitive_info,
		const PointInfo	start,
		const PointInfo	end,
		const PointInfo	arc,
		const MagickRealType	angle,
		const MagickBooleanType	large_arc,
		const MagickBooleanType	sweep
	)

Definition at line 4912 of file draw.c.

References _PointInfo::x, _PointInfo::y, TracePoint(), TraceLine(), DegreesToRadians(), MagickEpsilon, MagickFalse, MagickPI, _PrimitiveInfo::point, TraceBezier(), _PrimitiveInfo::coordinates, and _PrimitiveInfo::primitive.

Referenced by TracePath().

static void TraceBezier	(	PrimitiveInfo *	primitive_info,
		const size_t	number_coordinates
	)

Definition at line 5044 of file draw.c.

References _PointInfo::x, _PrimitiveInfo::point, _PointInfo::y, MagickMin(), BezierQuantum, AcquireQuantumMemory(), ThrowFatalException, ResourceLimitFatalError, Permutate(), TracePoint(), _PrimitiveInfo::coordinates, _PrimitiveInfo::primitive, and RelinquishMagickMemory().

Referenced by DrawImage(), TraceArcPath(), and TracePath().

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

Definition at line 5138 of file draw.c.

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

Referenced by DrawImage().

static void TraceEllipse	(	PrimitiveInfo *	primitive_info,
		const PointInfo	start,
		const PointInfo	stop,
		const PointInfo	degrees
	)

Definition at line 5160 of file draw.c.

References _PointInfo::x, _PointInfo::y, TracePoint(), MagickMax(), MagickPI, DegreesToRadians(), MagickEpsilon, _PrimitiveInfo::coordinates, and _PrimitiveInfo::primitive.

Referenced by DrawImage(), TraceArc(), TraceCircle(), and TraceRoundRectangle().

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

Definition at line 5214 of file draw.c.

References TracePoint(), _PointInfo::x, MagickEpsilon, _PointInfo::y, _PrimitiveInfo::primitive, PointPrimitive, and _PrimitiveInfo::coordinates.

Referenced by DrawImage(), and TraceArcPath().

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

Definition at line 5230 of file draw.c.

References MaxTextExtent, _PointInfo::x, _PointInfo::y, _PrimitiveInfo::primitive, GetMagickToken(), StringToDouble(), StringToLong(), MagickTrue, MagickFalse, TraceArcPath(), _PrimitiveInfo::coordinates, IsPoint(), TraceBezier(), TracePoint(), FormatLocaleFile(), _PrimitiveInfo::method, and FillToBorderMethod.

Referenced by DrawImage().

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

Definition at line 1660 of file draw.c.

References _PrimitiveInfo::coordinates, and _PrimitiveInfo::point.

Referenced by DrawImage(), TraceArcPath(), TraceBezier(), TraceEllipse(), TraceLine(), TracePath(), TraceRectangle(), and TraceRoundRectangle().

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

Definition at line 5603 of file draw.c.

References TracePoint(), _PrimitiveInfo::coordinates, _PointInfo::x, _PointInfo::y, and _PrimitiveInfo::primitive.

Referenced by DrawBoundingRectangles(), and DrawImage().

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

Definition at line 5638 of file draw.c.

References _PointInfo::x, _PointInfo::y, TraceEllipse(), _PrimitiveInfo::coordinates, TracePoint(), _PrimitiveInfo::point, and _PrimitiveInfo::primitive.

Referenced by DrawImage().

static void TraceSquareLinecap	(	PrimitiveInfo *	primitive_info,
		const size_t	number_vertices,
		const MagickRealType	offset
	)

Definition at line 5693 of file draw.c.

References _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, and MagickEpsilon.

Referenced by TraceStrokePolygon().

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

Definition at line 5741 of file draw.c.

References _PrimitiveInfo::coordinates, BezierQuantum, AcquireQuantumMemory(), CopyMagickMemory(), _PrimitiveInfo::point, _PointInfo::x, _PointInfo::y, MagickTrue, MagickFalse, _DrawInfo::linejoin, RoundJoin, MiterJoin, _PrimitiveInfo::primitive, UndefinedPrimitive, MagickEpsilon, ExpandAffine(), _DrawInfo::affine, _DrawInfo::stroke_width, _DrawInfo::miterlimit, _DrawInfo::linecap, SquareCap, TraceSquareLinecap(), ResizeQuantumMemory(), RelinquishMagickMemory(), BevelJoin, MagickPI, and DegreesToRadians().

Referenced by DrawStrokePolygon().