#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;

}