1 #include "../test/utils.h"
2 #include "gtk-utils.h"
3
4 #define WIDTH 1024
5 #define HEIGHT 640
6
7 int
main(int argc,char ** argv)8 main (int argc, char **argv)
9 {
10 pixman_image_t *src_img, *dest_img;
11 pixman_gradient_stop_t stops[] = {
12 { 0x00000, { 0x0000, 0x0000, 0x4444, 0xdddd } },
13 { 0x10000, { 0xeeee, 0xeeee, 0x8888, 0xdddd } },
14 #if 0
15 /* These colors make it very obvious that dithering
16 * is useful even for 8-bit gradients
17 */
18 { 0x00000, { 0x6666, 0x3333, 0x3333, 0xffff } },
19 { 0x10000, { 0x3333, 0x6666, 0x6666, 0xffff } },
20 #endif
21 };
22 pixman_point_fixed_t p1, p2;
23
24 enable_divbyzero_exceptions ();
25
26 dest_img = pixman_image_create_bits (PIXMAN_x8r8g8b8,
27 WIDTH, HEIGHT,
28 NULL, 0);
29
30 p1.x = p1.y = 0x0000;
31 p2.x = WIDTH << 16;
32 p2.y = HEIGHT << 16;
33
34 src_img = pixman_image_create_linear_gradient (&p1, &p2, stops, ARRAY_LENGTH (stops));
35
36 pixman_image_composite32 (PIXMAN_OP_OVER,
37 src_img,
38 NULL,
39 dest_img,
40 0, 0,
41 0, 0,
42 0, 0,
43 WIDTH, HEIGHT);
44
45 show_image (dest_img);
46
47 pixman_image_unref (dest_img);
48
49 return 0;
50 }
51