1#include "../test/utils.h"
2#include "gtk-utils.h"
3
4#define WIDTH 1024
5#define HEIGHT 640
6
7int
8main (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