1 #include <math.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include "utils.h"
5
6 #define WIDTH 100
7 #define HEIGHT 100
8
9 int
main()10 main ()
11 {
12 pixman_image_t *radial;
13 pixman_image_t *dest = pixman_image_create_bits (
14 PIXMAN_a8r8g8b8, WIDTH, HEIGHT, NULL, -1);
15
16 static const pixman_transform_t xform =
17 {
18 { { 0x346f7, 0x0, 0x0 },
19 { 0x0, 0x346f7, 0x0 },
20 { 0x0, 0x0, 0x10000 }
21 },
22 };
23
24 static const pixman_gradient_stop_t stops[] =
25 {
26 { 0xde61, { 0x4481, 0x96e8, 0x1e6a, 0x29e1 } },
27 { 0xfdd5, { 0xfa10, 0xcc26, 0xbc43, 0x1eb7 } },
28 { 0xfe1e, { 0xd257, 0x5bac, 0x6fc2, 0xa33b } },
29 };
30
31 static const pixman_point_fixed_t inner = { 0x320000, 0x320000 };
32 static const pixman_point_fixed_t outer = { 0x320000, 0x3cb074 };
33
34 enable_divbyzero_exceptions ();
35 enable_invalid_exceptions ();
36
37 radial = pixman_image_create_radial_gradient (
38 &inner,
39 &outer,
40 0xab074, /* inner radius */
41 0x0, /* outer radius */
42 stops, sizeof (stops) / sizeof (stops[0]));
43
44 pixman_image_set_repeat (radial, PIXMAN_REPEAT_REFLECT);
45 pixman_image_set_transform (radial, &xform);
46
47 pixman_image_composite (
48 PIXMAN_OP_OVER,
49 radial, NULL, dest,
50 0, 0, 0, 0,
51 0, 0, WIDTH, HEIGHT);
52
53 return 0;
54 }
55