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cairodriver/write.c
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/*!
\file lib/cairodriver/write.c
\brief GRASS cairo display driver - write image (lower level functions)
(C) 2007-2008 by Lars Ahlzen and the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.
\author Lars Ahlzen <lars ahlzen.com> (original contributor)
\author Glynn Clements
*/
#include "cairodriver.h"
void cairo_write_image(void)
{
G_debug(1, "write_image");
if (!ca.modified)
return;
if (ca.mapped)
return;
if (!cairo || !surface)
return;
if (ca.file_type == FTYPE_PPM) {
G_debug(1, "Writing image to %s", ca.file_name);
cairo_write_ppm();
}
else if (ca.file_type == FTYPE_BMP) {
G_debug(1, "Writing image to %s", ca.file_name);
cairo_write_bmp();
}
#if CAIRO_HAS_PNG_FUNCTIONS
else if (ca.file_type == FTYPE_PNG) {
G_debug(1, "Writing image to %s", ca.file_name);
cairo_surface_write_to_png(surface, ca.file_name);
}
#endif
#if CAIRO_HAS_XLIB_XRENDER_SURFACE
else if (ca.file_type == FTYPE_X11) {
G_debug(1, "Writing XID to %s", ca.file_name);
cairo_write_xid();
}
#endif
/* vector format files are written directly to file */
ca.modified = 0;
}
cairo_write_image
void cairo_write_image(void)
Definition cairodriver/write.c:17
cairodriver.h
GRASS cairo display driver - header file.
cairo_write_ppm
void cairo_write_ppm(void)
Definition cairodriver/write_ppm.c:19
cairo_write_bmp
void cairo_write_bmp(void)
Definition cairodriver/write_bmp.c:65
FTYPE_PPM
#define FTYPE_PPM
Definition cairodriver.h:54
FTYPE_X11
#define FTYPE_X11
Definition cairodriver.h:60
surface
cairo_surface_t * surface
Definition cairodriver/graph.c:45
ca
struct cairo_state ca
Definition cairodriver/graph.c:42
FTYPE_PNG
#define FTYPE_PNG
Definition cairodriver.h:56
cairo_write_xid
void cairo_write_xid(void)
Definition write_xid.c:5
FTYPE_BMP
#define FTYPE_BMP
Definition cairodriver.h:55
cairo
cairo_t * cairo
Definition cairodriver/graph.c:46
G_debug
int G_debug(int level, const char *msg,...)
Print debugging message.
Definition debug.c:66