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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <stdlib.h>
#include "gd.h"
/* A short program which converts a .gif file into a .gd file, for
your convenience in creating images on the fly from a
basis image that must be loaded quickly. The .gd format
is not intended to be a general-purpose format. */
int main(int argc, char **argv)
{
gdImagePtr im;
FILE *in, *out;
int cs, fmt;
if (argc != 5) {
fprintf(stderr, "Usage: giftogd2 filename.gif filename.gd2 cs fmt\n");
fprintf(stderr, " where cs is the chunk size\n");
fprintf(stderr, " fmt is 1 for raw, 2 for compressed\n");
exit(1);
}
in = fopen(argv[1], "rb");
if (!in) {
fprintf(stderr, "Input file does not exist!\n");
exit(1);
}
im = gdImageCreateFromGif(in);
fclose(in);
if (!im) {
fprintf(stderr, "Input is not in GIF format!\n");
exit(1);
}
out = fopen(argv[2], "wb");
if (!out) {
fprintf(stderr, "Output file cannot be written to!\n");
gdImageDestroy(im);
exit(1);
}
cs = atoi(argv[3]);
fmt = atoi(argv[4]);
gdImageGd2(im, out, cs, fmt);
fclose(out);
gdImageDestroy(im);
return 0;
}
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