ftstroke.c File Reference

#include <ft2build.h>
#include "basepic.h"

Go to the source code of this file.

Macros
#define	FT_SMALL_CONIC_THRESHOLD   ( FT_ANGLE_PI / 6 )
#define	FT_SMALL_CUBIC_THRESHOLD   ( FT_ANGLE_PI / 8 )
#define	FT_EPSILON   2
#define	FT_IS_SMALL(x)   ( (x) > -FT_EPSILON && (x) < FT_EPSILON )
#define	FT_STROKE_TAG_BEGIN_END   ( FT_STROKE_TAG_BEGIN | FT_STROKE_TAG_END )
#define	FT_ARC_CUBIC_ANGLE   ( FT_ANGLE_PI / 2 )
#define	FT_SIDE_TO_ROTATE(s)   ( FT_ANGLE_PI2 - (s) * FT_ANGLE_PI )

Typedefs
typedef enum FT_StrokeTags_	FT_StrokeTags
typedef struct FT_StrokeBorderRec_	FT_StrokeBorderRec
typedef struct FT_StrokeBorderRec_ *	FT_StrokeBorder
typedef struct FT_StrokerRec_	FT_StrokerRec

Enumerations
enum	FT_StrokeTags_ { FT_STROKE_TAG_ON = 1, FT_STROKE_TAG_CUBIC = 2, FT_STROKE_TAG_BEGIN = 4, FT_STROKE_TAG_END = 8 }

Functions
	FT_Outline_GetInsideBorder (FT_Outline *outline)
	FT_Outline_GetOutsideBorder (FT_Outline *outline)
	FT_Stroker_New (FT_Library library, FT_Stroker *astroker)
	FT_Stroker_Set (FT_Stroker stroker, FT_Fixed radius, FT_Stroker_LineCap line_cap, FT_Stroker_LineJoin line_join, FT_Fixed miter_limit)
	FT_Stroker_Rewind (FT_Stroker stroker)
	FT_Stroker_Done (FT_Stroker stroker)
	FT_Stroker_LineTo (FT_Stroker stroker, FT_Vector *to)
	FT_Stroker_ConicTo (FT_Stroker stroker, FT_Vector *control, FT_Vector *to)
	FT_Stroker_CubicTo (FT_Stroker stroker, FT_Vector *control1, FT_Vector *control2, FT_Vector *to)
	FT_Stroker_BeginSubPath (FT_Stroker stroker, FT_Vector *to, FT_Bool open)
	FT_Stroker_EndSubPath (FT_Stroker stroker)
	FT_Stroker_GetBorderCounts (FT_Stroker stroker, FT_StrokerBorder border, FT_UInt *anum_points, FT_UInt *anum_contours)
	FT_Stroker_GetCounts (FT_Stroker stroker, FT_UInt *anum_points, FT_UInt *anum_contours)
	FT_Stroker_ExportBorder (FT_Stroker stroker, FT_StrokerBorder border, FT_Outline *outline)
	FT_Stroker_Export (FT_Stroker stroker, FT_Outline *outline)
	FT_Stroker_ParseOutline (FT_Stroker stroker, FT_Outline *outline, FT_Bool opened)
	FT_Glyph_Stroke (FT_Glyph *pglyph, FT_Stroker stroker, FT_Bool destroy)
	FT_Glyph_StrokeBorder (FT_Glyph *pglyph, FT_Stroker stroker, FT_Bool inside, FT_Bool destroy)

Variables
const FT_Glyph_Class	ft_outline_glyph_class

Macro Definition Documentation

FT_ARC_CUBIC_ANGLE

#define FT_ARC_CUBIC_ANGLE   ( FT_ANGLE_PI / 2 )

Definition at line 521 of file ftstroke.c.

FT_EPSILON

#define FT_EPSILON   2

Definition at line 65 of file ftstroke.c.

FT_IS_SMALL

#define FT_IS_SMALL

(

x

)

( (x) > -FT_EPSILON && (x) < FT_EPSILON )

Definition at line 67 of file ftstroke.c.

Referenced by FT_Stroker_ConicTo(), and FT_Stroker_CubicTo().

FT_SIDE_TO_ROTATE

#define FT_SIDE_TO_ROTATE

(

s

)

( FT_ANGLE_PI2 - (s) * FT_ANGLE_PI )

Definition at line 759 of file ftstroke.c.

FT_SMALL_CONIC_THRESHOLD

#define FT_SMALL_CONIC_THRESHOLD   ( FT_ANGLE_PI / 6 )

Definition at line 62 of file ftstroke.c.

FT_SMALL_CUBIC_THRESHOLD

#define FT_SMALL_CUBIC_THRESHOLD   ( FT_ANGLE_PI / 8 )

Definition at line 63 of file ftstroke.c.

FT_STROKE_TAG_BEGIN_END

#define FT_STROKE_TAG_BEGIN_END   ( FT_STROKE_TAG_BEGIN | FT_STROKE_TAG_END )

Definition at line 300 of file ftstroke.c.

Typedef Documentation

FT_StrokeBorder

typedef struct FT_StrokeBorderRec_ * FT_StrokeBorder

FT_StrokeBorderRec

typedef struct FT_StrokeBorderRec_ FT_StrokeBorderRec

FT_StrokerRec

typedef struct FT_StrokerRec_ FT_StrokerRec

FT_StrokeTags

typedef enum FT_StrokeTags_ FT_StrokeTags

Enumeration Type Documentation

FT_StrokeTags_

enum FT_StrokeTags_

Enumerator
FT_STROKE_TAG_ON
FT_STROKE_TAG_CUBIC
FT_STROKE_TAG_BEGIN
FT_STROKE_TAG_END

Definition at line 291 of file ftstroke.c.

Function Documentation

FT_Glyph_Stroke()

FT_Glyph_Stroke	(	FT_Glyph *	pglyph,
		FT_Stroker	stroker,
		FT_Bool	destroy
	)

Definition at line 2257 of file ftstroke.c.

References FT_GlyphRec_::clazz, error, FALSE, FT_Done_Glyph(), FT_ERR, FT_EXPORT_DEF, FT_Glyph_Copy(), FT_Outline_Done(), FT_OUTLINE_GLYPH_CLASS_GET, FT_Outline_New(), FT_Stroker_Export(), FT_Stroker_GetCounts(), FT_Stroker_ParseOutline(), FT_UNUSED, FT_GlyphRec_::library, library, FT_Outline_::n_contours, FT_Outline_::n_points, NULL, FT_OutlineGlyphRec_::outline, and void().

FT_Glyph_StrokeBorder()

FT_Glyph_StrokeBorder	(	FT_Glyph *	pglyph,
		FT_Stroker	stroker,
		FT_Bool	inside,
		FT_Bool	destroy
	)

Definition at line 2332 of file ftstroke.c.

References FT_GlyphRec_::clazz, error, FALSE, FT_Done_Glyph(), FT_ERR, FT_Glyph_Copy(), FT_Outline_Done(), FT_Outline_GetOutsideBorder(), FT_OUTLINE_GLYPH_CLASS_GET, FT_Outline_New(), FT_STROKER_BORDER_LEFT, FT_STROKER_BORDER_RIGHT, FT_Stroker_ExportBorder(), FT_Stroker_GetBorderCounts(), FT_Stroker_ParseOutline(), FT_UNUSED, FT_GlyphRec_::library, FT_Outline_::n_contours, FT_Outline_::n_points, NULL, FT_OutlineGlyphRec_::outline, and void().

FT_Outline_GetInsideBorder()

FT_Outline_GetInsideBorder

(

FT_Outline *

outline

)

Definition at line 31 of file ftstroke.c.

References FT_EXPORT_DEF, FT_ORIENTATION_TRUETYPE, FT_Outline_Get_Orientation(), FT_STROKER_BORDER_LEFT, and FT_STROKER_BORDER_RIGHT.

FT_Outline_GetOutsideBorder()

FT_Outline_GetOutsideBorder

(

FT_Outline *

outline

)

Definition at line 44 of file ftstroke.c.

References FT_ORIENTATION_TRUETYPE, FT_Outline_Get_Orientation(), FT_STROKER_BORDER_LEFT, and FT_STROKER_BORDER_RIGHT.

Referenced by FT_Glyph_StrokeBorder().

FT_Stroker_BeginSubPath()

FT_Stroker_BeginSubPath	(	FT_Stroker	stroker,
		FT_Vector *	to,
		FT_Bool	open
	)

Definition at line 1757 of file ftstroke.c.

References FT_BOOL, FT_Err_Ok, FT_STROKER_LINECAP_BUTT, FT_STROKER_LINEJOIN_ROUND, open(), and TRUE.

Referenced by FT_Stroker_ParseOutline().

FT_Stroker_ConicTo()

FT_Stroker_ConicTo	(	FT_Stroker	stroker,
		FT_Vector *	control,
		FT_Vector *	to
	)

Definition at line 1352 of file ftstroke.c.

References error, FT_Angle, FT_Bool, FT_Err_Ok, FT_IS_SMALL, TRUE, FT_Vector_::x, and FT_Vector_::y.

Referenced by FT_Stroker_ParseOutline().

FT_Stroker_CubicTo()

FT_Stroker_CubicTo	(	FT_Stroker	stroker,
		FT_Vector *	control1,
		FT_Vector *	control2,
		FT_Vector *	to
	)

Definition at line 1547 of file ftstroke.c.

References error, FT_Angle, FT_Bool, FT_Err_Ok, FT_IS_SMALL, TRUE, FT_Vector_::x, and FT_Vector_::y.

Referenced by FT_Stroker_ParseOutline().

FT_Stroker_Done()

FT_Stroker_Done

(

FT_Stroker

stroker

)

Definition at line 858 of file ftstroke.c.

FT_Stroker_EndSubPath()

FT_Stroker_EndSubPath

(

FT_Stroker

stroker

)

Definition at line 1856 of file ftstroke.c.

References error, and FT_Err_Ok.

Referenced by FT_Stroker_ParseOutline().

FT_Stroker_Export()

FT_Stroker_Export	(	FT_Stroker	stroker,
		FT_Outline *	outline
	)

Definition at line 2028 of file ftstroke.c.

References FT_EXPORT_DEF, FT_STROKER_BORDER_LEFT, FT_STROKER_BORDER_RIGHT, and FT_Stroker_ExportBorder().

Referenced by FT_Glyph_Stroke().

FT_Stroker_ExportBorder()

FT_Stroker_ExportBorder	(	FT_Stroker	stroker,
		FT_StrokerBorder	border,
		FT_Outline *	outline
	)

Definition at line 2009 of file ftstroke.c.

References FT_STROKER_BORDER_LEFT, and FT_STROKER_BORDER_RIGHT.

Referenced by FT_Glyph_StrokeBorder(), and FT_Stroker_Export().

FT_Stroker_GetBorderCounts()

FT_Stroker_GetBorderCounts	(	FT_Stroker	stroker,
		FT_StrokerBorder	border,
		FT_UInt *	anum_points,
		FT_UInt *	anum_contours
	)

Definition at line 1946 of file ftstroke.c.

References error, and FT_THROW().

Referenced by FT_Glyph_StrokeBorder().

FT_Stroker_GetCounts()

FT_Stroker_GetCounts	(	FT_Stroker	stroker,
		FT_UInt *	anum_points,
		FT_UInt *	anum_contours
	)

Definition at line 1977 of file ftstroke.c.

References error.

Referenced by FT_Glyph_Stroke().

FT_Stroker_LineTo()

FT_Stroker_LineTo	(	FT_Stroker	stroker,
		FT_Vector *	to
	)

Definition at line 1279 of file ftstroke.c.

References error, FT_Angle, FT_ANGLE_PI2, FT_Atan2(), FT_Err_Ok, FT_Vector_From_Polar(), FT_Vector_Length(), FT_Vector_::x, and FT_Vector_::y.

Referenced by FT_Stroker_ParseOutline().

FT_Stroker_New()

FT_Stroker_New	(	FT_Library	library,
		FT_Stroker *	astroker
	)

Definition at line 789 of file ftstroke.c.

References error, FT_NEW, FT_THROW(), library, FT_LibraryRec_::memory, and NULL.

FT_Stroker_ParseOutline()

FT_Stroker_ParseOutline	(	FT_Stroker	stroker,
		FT_Outline *	outline,
		FT_Bool	opened
	)

Definition at line 2043 of file ftstroke.c.

References FT_Outline_::contours, error, FT_CURVE_TAG, FT_CURVE_TAG_CONIC, FT_CURVE_TAG_CUBIC, FT_CURVE_TAG_ON, FT_Err_Ok, FT_EXPORT_DEF, ft_outline_glyph_class, FT_Stroker_BeginSubPath(), FT_Stroker_ConicTo(), FT_Stroker_CubicTo(), FT_Stroker_EndSubPath(), FT_Stroker_LineTo(), FT_Stroker_Rewind(), FT_THROW(), FT_Outline_::n_contours, FT_Outline_::points, FT_Outline_::tags, vec, FT_Vector_::x, and FT_Vector_::y.

Referenced by FT_Glyph_Stroke(), and FT_Glyph_StrokeBorder().

FT_Stroker_Rewind()

FT_Stroker_Rewind

(

FT_Stroker

stroker

)

Definition at line 845 of file ftstroke.c.

Referenced by FT_Stroker_ParseOutline(), and FT_Stroker_Set().

FT_Stroker_Set()

FT_Stroker_Set	(	FT_Stroker	stroker,
		FT_Fixed	radius,
		FT_Stroker_LineCap	line_cap,
		FT_Stroker_LineJoin	line_join,
		FT_Fixed	miter_limit
	)

Definition at line 819 of file ftstroke.c.

References FT_EXPORT_DEF, and FT_Stroker_Rewind().

Variable Documentation

ft_outline_glyph_class

const FT_Glyph_Class ft_outline_glyph_class

Referenced by FT_Stroker_ParseOutline().