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#include <stdio.h>
#include <stdlib.h> /* for atoi */
#include <time.h> /* For time */
#include "gd.h"
/* A short program which converts a .png file into a .gd file, for
your convenience in creating images on the fly from a
basis image that must be loaded quickly. The .gd format
is not intended to be a general-purpose format. */
int
main (int argc, char **argv)
{
gdImagePtr im;
FILE *in;
int x, y, w, h;
int c;
int i;
int t0;
if (argc != 7)
{
fprintf (stderr, "Usage: gd2time filename.gd count x y w h\n");
exit (1);
}
c = atoi (argv[2]);
x = atoi (argv[3]);
y = atoi (argv[4]);
w = atoi (argv[5]);
h = atoi (argv[6]);
printf ("Extracting %d times from (%d, %d), size is %dx%d\n", c, x, y, w, h);
t0 = time (0);
for (i = 0; i < c; i++)
{
in = fopen (argv[1], "rb");
if (!in)
{
fprintf (stderr, "Input file does not exist!\n");
exit (1);
}
im = gdImageCreateFromGd2Part (in, x, y, w, h);
fclose (in);
if (!im)
{
fprintf (stderr, "Error reading source file!\n");
exit (1);
}
gdImageDestroy (im);
};
t0 = time (0) - t0;
printf ("%d seconds to extract (& destroy) %d times\n", t0, c);
return 0;
}
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