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