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--- src/gdtest.c.orig 2013-06-25 11:58:23.000000000 +0200
+++ src/gdtest.c 2013-08-01 07:12:08.000000000 +0200
@@ -35,6 +35,8 @@
gdSink imgsnk;
int foreground;
int i;
+ gdIOCtx *ctx;
+
if (argc != 2) {
fprintf(stderr, "Usage: gdtest filename.png\n");
exit (1);
@@ -55,6 +57,35 @@
CompareImages ("Initial Versions", ref, im);
+ /* */
+ /* Send to GIF File then Ptr */
+ /* */
+ sprintf(of, "%s.gif", argv[1]);
+ out = fopen(of, "wb");
+ gdImageGif(im, out);
+ fclose(out);
+
+ in = fopen(of, "rb");
+ if (!in) {
+ fprintf(stderr, "GIF Output file does not exist!\n");
+ exit(1);
+ }
+ im2 = gdImageCreateFromGif(in);
+ fclose(in);
+
+ CompareImages("GD->GIF File->GD", ref, im2);
+
+ unlink(of);
+ gdImageDestroy(im2);
+
+ iptr = gdImageGifPtr(im,&sz);
+ ctx = gdNewDynamicCtx(sz,iptr);
+ im2 = gdImageCreateFromGifCtx(ctx);
+
+ CompareImages("GD->GIF ptr->GD", ref, im2);
+
+ gdImageDestroy(im2);
+ ctx->gd_free(ctx);
/* */
/* Send to PNG File then Ptr */
@@ -268,6 +299,10 @@
printf ("[Merged Image has %d colours]\n", im2->colorsTotal);
CompareImages ("Merged (gdtest.png, gdtest_merge.png)", im2, im3);
+ out = fopen ("test/gdtest_merge_out.png", "wb");
+ gdImagePng(im2, out);
+ fclose(out);
+
gdImageDestroy (im2);
gdImageDestroy (im3);
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