1
2 #include <stdio.h>
3 #include <stdlib.h> /* for atoi */
4 #include <time.h> /* For time */
5 #include "gd.h"
6
7 /* A short program which converts a .png file into a .gd file, for
8 your convenience in creating images on the fly from a
9 basis image that must be loaded quickly. The .gd format
10 is not intended to be a general-purpose format. */
11
12 int
main(int argc,char ** argv)13 main (int argc, char **argv)
14 {
15 gdImagePtr im;
16 FILE *in;
17 int x, y, w, h;
18 int c;
19 int i;
20 int t0;
21
22 if (argc != 7)
23 {
24 fprintf (stderr, "Usage: gd2time filename.gd count x y w h\n");
25 exit (1);
26 }
27
28 c = atoi (argv[2]);
29 x = atoi (argv[3]);
30 y = atoi (argv[4]);
31 w = atoi (argv[5]);
32 h = atoi (argv[6]);
33
34 printf ("Extracting %d times from (%d, %d), size is %dx%d\n", c, x, y, w, h);
35
36 t0 = time (0);
37 for (i = 0; i < c; i++)
38 {
39 in = fopen (argv[1], "rb");
40 if (!in)
41 {
42 fprintf (stderr, "Input file does not exist!\n");
43 exit (1);
44 }
45
46 im = gdImageCreateFromGd2Part (in, x, y, w, h);
47 fclose (in);
48
49 if (!im)
50 {
51 fprintf (stderr, "Error reading source file!\n");
52 exit (1);
53 }
54 gdImageDestroy (im);
55 };
56 t0 = time (0) - t0;
57 printf ("%d seconds to extract (& destroy) %d times\n", t0, c);
58
59 return 0;
60 }
61
