go-cairo.h File Reference

#include <cairo.h>
#include <glib.h>
#include <math.h>

Go to the source code of this file.

Defines
#define	GO_CAIRO_CLAMP(x)   CLAMP((x),-15000,15000)
#define	GO_CAIRO_CLAMP_SNAP(x, even)   GO_CAIRO_CLAMP(even ? floor (x + .5):floor (x) + .5)
Functions
void	go_cairo_emit_svg_path (cairo_t *cr, char const *path)
	go_cairo_emit_svg_path: : a cairo context : a SVG path
gboolean	go_cairo_surface_is_vector (cairo_surface_t const *surface)
void	go_cairo_convert_data_to_pixbuf (unsigned char *dst, unsigned char const *src, int width, int height, int rowstride)
	go_cairo_convert_data_to_pixbuf: : a pointer to pixel data in cairo format : a pointer to pixel data in pixbuf format : image width : image height : data rowstride
void	go_cairo_convert_data_from_pixbuf (unsigned char *dst, unsigned char const *src, int width, int height, int rowstride)
	go_cairo_convert_data_from_pixbuf: : a pointer to pixel data in pixbuf format : a pointer to pixel data in cairo format : image width : image height : data rowstride

---

Define Documentation

#define GO_CAIRO_CLAMP

(

x

)

CLAMP((x),-15000,15000)

#define GO_CAIRO_CLAMP_SNAP	(		x,
			even
	)			GO_CAIRO_CLAMP(even ? floor (x + .5):floor (x) + .5)

---

Function Documentation

void go_cairo_convert_data_from_pixbuf	(	unsigned char *	dst,
		unsigned char const *	src,
		int	width,
		int	height,
		int	rowstride
	)

go_cairo_convert_data_from_pixbuf: : a pointer to pixel data in pixbuf format : a pointer to pixel data in cairo format : image width : image height : data rowstride

Converts the pixel data stored in in GDK_COLORSPACE_RGB pixbuf format to CAIRO_FORMAT_ARGB32 cairo format and move them to . If == , pixel are converted in place.

References MULT.

Referenced by pixbuf_to_cairo().

void go_cairo_convert_data_to_pixbuf	(	unsigned char *	dst,
		unsigned char const *	src,
		int	width,
		int	height,
		int	rowstride
	)

go_cairo_convert_data_to_pixbuf: : a pointer to pixel data in cairo format : a pointer to pixel data in pixbuf format : image width : image height : data rowstride

Converts the pixel data stored in in CAIRO_FORMAT_ARGB32 cairo format to GDK_COLORSPACE_RGB pixbuf format and move them to . If == , pixel are converted in place.

References MULT.

void go_cairo_emit_svg_path	(	cairo_t *	cr,
		char const *	path
	)

go_cairo_emit_svg_path: : a cairo context : a SVG path

Emits a path described as a SVG path string (d property of path elements) to a cairo context.

References emit_function_2(), emit_function_6(), and skip_spaces().

gboolean go_cairo_surface_is_vector

(

cairo_surface_t const *

surface

)

References type.