Annotation of embedaddon/php/ext/gd/libgd/pngtogd2.c, revision 1.1.1.1
1.1 misho 1:
2: #include <stdio.h>
3: #include <stdlib.h>
4: #include "gd.h"
5:
6: /* A short program which converts a .png file into a .gd file, for
7: your convenience in creating images on the fly from a
8: basis image that must be loaded quickly. The .gd format
9: is not intended to be a general-purpose format. */
10:
11: int
12: main (int argc, char **argv)
13: {
14: gdImagePtr im;
15: FILE *in, *out;
16: int cs, fmt;
17:
18: if (argc != 5)
19: {
20: fprintf (stderr, "Usage: pngtogd2 filename.png filename.gd2 cs fmt\n");
21: fprintf (stderr, " where cs is the chunk size\n");
22: fprintf (stderr, " fmt is 1 for raw, 2 for compressed\n");
23: exit (1);
24: }
25: in = fopen (argv[1], "rb");
26: if (!in)
27: {
28: fprintf (stderr, "Input file does not exist!\n");
29: exit (1);
30: }
31: im = gdImageCreateFromPng (in);
32: fclose (in);
33: if (!im)
34: {
35: fprintf (stderr, "Input is not in PNG format!\n");
36: exit (1);
37: }
38: out = fopen (argv[2], "wb");
39: if (!out)
40: {
41: fprintf (stderr, "Output file cannot be written to!\n");
42: gdImageDestroy (im);
43: exit (1);
44: }
45: cs = atoi (argv[3]);
46: fmt = atoi (argv[4]);
47: gdImageGd2 (im, out, cs, fmt);
48: fclose (out);
49: gdImageDestroy (im);
50:
51: return 0;
52: }
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