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/*!
\file lib/pngdriver/write.c
\brief GRASS png display driver - write image (lower level functions)
(C) 2007-2014 by Glynn Clements 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 Glynn Clements
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <grass/config.h>
#include <grass/gis.h>
#include "pngdriver.h"
void write_image(void)
{
char *p = png.file_name + strlen(png.file_name) - 4;
if (!png.modified)
return;
if (png.mapped)
return;
if (G_strcasecmp(p, ".ppm") == 0) {
write_ppm();
if (png.has_alpha)
write_pgm();
}
else if (G_strcasecmp(p, ".bmp") == 0)
write_bmp();
#ifdef HAVE_PNG_H
else if (G_strcasecmp(p, ".png") == 0)
write_png();
#endif
else
G_fatal_error("write_image: unknown file type: %s", p);
png.modified = 0;
}
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