Annotation of embedaddon/php/ext/gd/libgd/gdparttopng.c, revision 1.1
1.1 ! misho 1: #include <stdio.h>
! 2: #include <stdlib.h> /* For atoi */
! 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: int x, y, w, h;
! 16:
! 17: if (argc != 7)
! 18: {
! 19: fprintf (stderr, "Usage: gdparttopng filename.gd filename.png x y w h\n");
! 20: exit (1);
! 21: }
! 22: in = fopen (argv[1], "rb");
! 23: if (!in)
! 24: {
! 25: fprintf (stderr, "Input file does not exist!\n");
! 26: exit (1);
! 27: }
! 28:
! 29: x = atoi (argv[3]);
! 30: y = atoi (argv[4]);
! 31: w = atoi (argv[5]);
! 32: h = atoi (argv[6]);
! 33:
! 34: printf ("Extracting from (%d, %d), size is %dx%d\n", x, y, w, h);
! 35:
! 36: im = gdImageCreateFromGd2Part (in, x, y, w, h);
! 37: fclose (in);
! 38: if (!im)
! 39: {
! 40: fprintf (stderr, "Input is not in GD2 format!\n");
! 41: exit (1);
! 42: }
! 43: out = fopen (argv[2], "wb");
! 44: if (!out)
! 45: {
! 46: fprintf (stderr, "Output file cannot be written to!\n");
! 47: gdImageDestroy (im);
! 48: exit (1);
! 49: }
! 50: #ifdef HAVE_LIBPNG
! 51: gdImagePng (im, out);
! 52: #else
! 53: fprintf(stderr, "No PNG library support.\n");
! 54: #endif
! 55: fclose (out);
! 56: gdImageDestroy (im);
! 57:
! 58: return 0;
! 59: }
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