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authorKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
committerKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
commitad547a6b5986815fda458221149728d9d9ab1d87 (patch)
tree16296910eb3eca724371474ea9aea3994dc69614 /Build/source/libs/gd/libgd-src/src/gdtopng.c
parent947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff)
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/gd/libgd-src/src/gdtopng.c')
-rw-r--r--Build/source/libs/gd/libgd-src/src/gdtopng.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/Build/source/libs/gd/libgd-src/src/gdtopng.c b/Build/source/libs/gd/libgd-src/src/gdtopng.c
new file mode 100644
index 00000000000..c937558eb19
--- /dev/null
+++ b/Build/source/libs/gd/libgd-src/src/gdtopng.c
@@ -0,0 +1,45 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "gd.h"
+
+/* A short program which converts a .png 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: gdtopng filename.gd filename.png\n");
+ exit (1);
+ }
+ in = fopen (argv[1], "rb");
+ if (!in) {
+ fprintf(stderr, "Input file does not exist!\n");
+ exit (1);
+ }
+ im = gdImageCreateFromGd (in);
+ fclose (in);
+ if (!im) {
+ fprintf(stderr, "Input is not in GD format!\n");
+ exit (1);
+ }
+ out = fopen (argv[2], "wb");
+ if (!out) {
+ fprintf(stderr, "Output file cannot be written to!\n");
+ gdImageDestroy (im);
+ exit (1);
+ }
+ gdImagePng (im, out);
+ fclose (out);
+ gdImageDestroy (im);
+
+ return 0;
+}