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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-02-16 01:04:51 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-02-16 01:04:51 +0000
commiteacd1b8f5c8024296c6fa4b19b3b99bd24de91a1 (patch)
treec0350d7eba85bcb5c01342bfef2f21d34b83c8bd /Build/source/libs/gd/libgd-src/src/pngtogd2.c
parent08bed0cad41932663940d45d7fcc96986c2cca3c (diff)
libs/gd: new convention
git-svn-id: svn://tug.org/texlive/trunk@39737 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/gd/libgd-src/src/pngtogd2.c')
-rw-r--r--Build/source/libs/gd/libgd-src/src/pngtogd2.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/Build/source/libs/gd/libgd-src/src/pngtogd2.c b/Build/source/libs/gd/libgd-src/src/pngtogd2.c
new file mode 100644
index 00000000000..e474afb6612
--- /dev/null
+++ b/Build/source/libs/gd/libgd-src/src/pngtogd2.c
@@ -0,0 +1,57 @@
+
+#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 .gd2 file, for
+ your convenience in creating images on the fly from a
+ basis image that must be loaded quickly. The .gd2 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: pngtogd2 filename.png 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);
+ }
+#ifdef HAVE_LIBPNG
+ im = gdImageCreateFromPng (in);
+#else
+ im = NULL;
+ fprintf(stderr, "No PNG library support available.\n");
+#endif
+ fclose (in);
+ if (!im) {
+ fprintf(stderr, "Input is not in PNG 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;
+}