1 files changed, 40 insertions, 0 deletions
diff --git a/graphics/gd/files/gd2togif.c b/graphics/gd/files/gd2togif.c
new file mode 100644
index 000000000000..d5fbb8921c3a
--- /dev/null
+++ b/graphics/gd/files/gd2togif.c
@@ -0,0 +1,40 @@
+#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: gd2togif filename.gd2 filename.gif\n");
+		exit(1);
+	}
+	in = fopen(argv[1], "rb");
+	if (!in) {
+		fprintf(stderr, "Input file does not exist!\n");
+		exit(1);
+	}
+	im = gdImageCreateFromGd2(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);	
+	}
+	gdImageGif(im, out);
+	fclose(out);
+	gdImageDestroy(im);
+
+	return 0;
+}
+