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Annotation of embedaddon/php/ext/gd/libgd/pngtogd.c, revision 1.1.1.1

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