1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include "pixman.h"
5#include "gtk-utils.h"
6
7/* This test demonstrates that clipping is done totally different depending
8 * on whether the source is transformed or not.
9 */
10int
11main (int argc, char **argv)
12{
13#define WIDTH 200
14#define HEIGHT 200
15
16#define SMALL 25
17
18    uint32_t *sbits = malloc (SMALL * SMALL * 4);
19    uint32_t *bits = malloc (WIDTH * HEIGHT * 4);
20    pixman_transform_t trans = {
21    {
22	{ pixman_double_to_fixed (1.0), pixman_double_to_fixed (0), pixman_double_to_fixed (-0.1), },
23	{ pixman_double_to_fixed (0), pixman_double_to_fixed (1), pixman_double_to_fixed (-0.1), },
24	{ pixman_double_to_fixed (0), pixman_double_to_fixed (0), pixman_double_to_fixed (1.0) }
25    } };
26
27    pixman_image_t *src_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, SMALL, SMALL, sbits, 4 * SMALL);
28    pixman_image_t *dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, 4 * WIDTH);
29
30    memset (bits, 0xff, WIDTH * HEIGHT * 4);
31    memset (sbits, 0x00, SMALL * SMALL * 4);
32
33    pixman_image_composite (PIXMAN_OP_IN,
34			    src_img, NULL, dest_img,
35			    0, 0, 0, 0, SMALL, SMALL, 200, 200);
36
37    pixman_image_set_transform (src_img, &trans);
38
39    pixman_image_composite (PIXMAN_OP_IN,
40			    src_img, NULL, dest_img,
41			    0, 0, 0, 0, SMALL * 2, SMALL * 2, 200, 200);
42
43    show_image (dest_img);
44
45    pixman_image_unref (src_img);
46    pixman_image_unref (dest_img);
47    free (bits);
48
49    return 0;
50}
51