hpgspaint.h File Reference

Internals of the pixel renderer. More...

#include <hpgs.h>

Go to the source code of this file.

Data Structures
struct	hpgs_paint_device_st
	The pixel rendering vector graphics device. More...
struct	hpgs_bezier_length_st
	A structure for holding intermediate values for length calculations of a bezier spline. More...
struct	hpgs_scanline_point_st
	An intersection point of a path with a scanline. More...
struct	hpgs_paint_scanline_st
	A scanline of the pixel renderer. More...
struct	hpgs_paint_clipper_st
	A collection of scanlines for mapping paths onto images. More...
Defines
#define	HPGS_PAINT_MAX_CLIP_DEPTH   16
#define	HPGS_BEZIER_NSEGS   16
Typedefs
typedef struct hpgs_scanline_point_st	hpgs_scanline_point
typedef struct hpgs_paint_scanline_st	hpgs_paint_scanline
typedef struct hpgs_paint_clipper_st	hpgs_paint_clipper
typedef struct hpgs_bezier_length_st	hpgs_bezier_length
Functions
HPGS_INTERNAL_API int	hpgs_paint_device_fill (hpgs_paint_device *pdv, hpgs_paint_path *path, hpgs_bool winding, hpgs_bool stroke)
HPGS_INTERNAL_API int	hpgs_paint_device_clip (hpgs_paint_device *pdv, hpgs_paint_path *path, hpgs_bool winding)
HPGS_INTERNAL_API int	hpgs_paint_device_drawimage (hpgs_paint_device *pdv, const hpgs_image *img, const hpgs_point *ll, const hpgs_point *lr, const hpgs_point *ur)
HPGS_INTERNAL_API void	hpgs_bezier_length_init (hpgs_bezier_length *b, const hpgs_paint_path *path, int i)
HPGS_INTERNAL_API double	hpgs_bezier_length_param (const hpgs_bezier_length *b, double l)
HPGS_INTERNAL_API void	hpgs_bezier_minmax_comp (double c0, double c1, double c2, double c3, double *cmin, double *cmax)
HPGS_INTERNAL_API hpgs_paint_clipper *	hpgs_new_paint_clipper (const hpgs_bbox *bb, int height, int scanline_msize, int overscan)
HPGS_INTERNAL_API hpgs_paint_clipper *	hpgs_paint_clipper_clip (const hpgs_paint_clipper *orig, const hpgs_paint_clipper *clip, hpgs_bool winding)
HPGS_INTERNAL_API int	hpgs_paint_clipper_cut (hpgs_paint_clipper *c, hpgs_paint_path *path)
HPGS_INTERNAL_API int	hpgs_paint_clipper_thin_cut (hpgs_paint_clipper *c, hpgs_paint_path *path, const hpgs_gstate *gstate)
HPGS_INTERNAL_API int	hpgs_paint_clipper_emit (hpgs_image *image, const hpgs_paint_clipper *img, const hpgs_paint_clipper *clip, const hpgs_paint_color *c, hpgs_bool winding, hpgs_bool stroke)
HPGS_INTERNAL_API int	hpgs_paint_clipper_reset (hpgs_paint_clipper *c, double llx, double urx)
HPGS_INTERNAL_API void	hpgs_paint_clipper_clear (hpgs_paint_clipper *c)
HPGS_INTERNAL_API void	hpgs_paint_clipper_destroy (hpgs_paint_clipper *c)

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Detailed Description

Internals of the pixel renderer.

A header file, which declares the structures and functions internally used by hpgs_paint_device.