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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include "gd.h"
/* A short program which converts a .png file into a .gd2 file, for
your convenience in creating images on the fly from a
basis image that must be loaded quickly. The .gd2 format
is not intended to be a general-purpose format. */
int
main (int argc, char **argv)
{
gdImagePtr im;
FILE *in, *out;
int x=0, y=0, w=0, h=0;
if ((argc != 3) && (argc != 7)) {
fprintf (stderr,
"Usage: gd2topng filename.gd2 filename.png [srcx srcy width height]\n");
fprintf (stderr,
"If the coordinates are absent, the entire image is converted.\n");
exit (1);
}
if (argc == 7) {
x = atoi (argv[3]);
y = atoi (argv[4]);
w = atoi (argv[5]);
h = atoi (argv[6]);
}
in = fopen (argv[1], "rb");
if (!in) {
fprintf(stderr, "Input file does not exist!\n");
exit (1);
}
if (argc == 7) {
im = gdImageCreateFromGd2Part (in, x, y, w, h);
} else {
im = gdImageCreateFromGd2 (in);
}
fclose (in);
if (!im) {
fprintf(stderr, "Input is not in GD2 format!\n");
exit (1);
}
out = fopen (argv[2], "wb");
if (!out) {
fprintf(stderr, "Output file cannot be written to!\n");
gdImageDestroy (im);
exit (1);
}
gdImagePng (im, out);
fclose (out);
gdImageDestroy (im);
return 0;
}
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