libgd 2.0 / giftolzw.c

#include <stdio.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;
	if (argc != 3) {
		fprintf(stderr, "Usage: giftogif filename.gif\n");
	if (!in) {
		fprintf(stderr, "Input file does not exist!\n");
	im = gdImageCreateFromGif(in);
	if (!im) {
		fprintf(stderr, "Input is not in GIF format!\n");

	if (!out) {
		fprintf(stderr, "Output file cannot be written to!\n");
	gdImageLzw(im, out);
	printf("LZW Compression Not Licenced\n");

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