1#include <stdio.h>
2#include <stdlib.h>
3#include "pixman.h"
4#include "gtk-utils.h"
5
6int
7main (int argc, char **argv)
8{
9#define WIDTH 400
10#define HEIGHT 200
11
12    uint32_t *dest = malloc (WIDTH * HEIGHT * 4);
13    pixman_image_t *src_img;
14    pixman_image_t *dest_img;
15    int i;
16    pixman_gradient_stop_t stops[2] =
17	{
18	    { pixman_int_to_fixed (0), { 0x0000, 0x0000, 0xffff, 0xffff } },
19	    { pixman_int_to_fixed (1), { 0xffff, 0x1111, 0x1111, 0xffff } }
20	};
21    pixman_point_fixed_t p1 = { pixman_double_to_fixed (50), 0 };
22    pixman_point_fixed_t p2 = { pixman_double_to_fixed (200), 0 };
23#if 0
24    pixman_transform_t trans = {
25	{ { pixman_double_to_fixed (2), pixman_double_to_fixed (0.5), pixman_double_to_fixed (-100), },
26	  { pixman_double_to_fixed (0), pixman_double_to_fixed (3), pixman_double_to_fixed (0), },
27	  { pixman_double_to_fixed (0), pixman_double_to_fixed (0.000), pixman_double_to_fixed (1.0) }
28	}
29    };
30#else
31    pixman_transform_t trans = {
32	{ { pixman_fixed_1, 0, 0 },
33	  { 0, pixman_fixed_1, 0 },
34	  { 0, 0, pixman_fixed_1 } }
35    };
36#endif
37
38#if 0
39    pixman_point_fixed_t c_inner;
40    pixman_point_fixed_t c_outer;
41    pixman_fixed_t r_inner;
42    pixman_fixed_t r_outer;
43#endif
44
45    for (i = 0; i < WIDTH * HEIGHT; ++i)
46	dest[i] = 0xff00ff00;
47
48    dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
49					 WIDTH, HEIGHT,
50					 dest,
51					 WIDTH * 4);
52
53#if 0
54    c_inner.x = pixman_double_to_fixed (50.0);
55    c_inner.y = pixman_double_to_fixed (50.0);
56    c_outer.x = pixman_double_to_fixed (50.0);
57    c_outer.y = pixman_double_to_fixed (50.0);
58    r_inner = 0;
59    r_outer = pixman_double_to_fixed (50.0);
60
61    src_img = pixman_image_create_conical_gradient (&c_inner, r_inner,
62						    stops, 2);
63#endif
64#if 0
65    src_img = pixman_image_create_conical_gradient (&c_inner, r_inner,
66						    stops, 2);
67    src_img = pixman_image_create_linear_gradient (&c_inner, &c_outer,
68						   r_inner, r_outer,
69						   stops, 2);
70#endif
71
72    src_img = pixman_image_create_linear_gradient  (&p1, &p2,
73						    stops, 2);
74
75    pixman_image_set_transform (src_img, &trans);
76    pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NONE);
77
78    pixman_image_composite (PIXMAN_OP_OVER, src_img, NULL, dest_img,
79			    0, 0, 0, 0, 0, 0, 10 * WIDTH, HEIGHT);
80
81    printf ("0, 0: %x\n", dest[0]);
82    printf ("10, 10: %x\n", dest[10 * 10 + 10]);
83    printf ("w, h: %x\n", dest[(HEIGHT - 1) * 100 + (WIDTH - 1)]);
84
85    show_image (dest_img);
86
87    pixman_image_unref (src_img);
88    pixman_image_unref (dest_img);
89    free (dest);
90
91    return 0;
92}
93