| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "pixman.h" |
| #include "gtk-utils.h" |
| |
| int |
| main (int argc, char **argv) |
| { |
| #define WIDTH 200 |
| #define HEIGHT 200 |
| |
| pixman_image_t *src_img; |
| pixman_image_t *mask_img; |
| pixman_image_t *dest_img; |
| pixman_trap_t trap; |
| pixman_color_t white = { 0x0000, 0xffff, 0x0000, 0xffff }; |
| uint32_t *bits = malloc (WIDTH * HEIGHT * 4); |
| uint32_t *mbits = malloc (WIDTH * HEIGHT); |
| |
| memset (mbits, 0, WIDTH * HEIGHT); |
| memset (bits, 0xff, WIDTH * HEIGHT * 4); |
| |
| trap.top.l = pixman_int_to_fixed (50) + 0x8000; |
| trap.top.r = pixman_int_to_fixed (150) + 0x8000; |
| trap.top.y = pixman_int_to_fixed (30); |
| |
| trap.bot.l = pixman_int_to_fixed (50) + 0x8000; |
| trap.bot.r = pixman_int_to_fixed (150) + 0x8000; |
| trap.bot.y = pixman_int_to_fixed (150); |
| |
| mask_img = pixman_image_create_bits (PIXMAN_a8, WIDTH, HEIGHT, mbits, WIDTH); |
| src_img = pixman_image_create_solid_fill (&white); |
| dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, WIDTH * 4); |
| |
| pixman_add_traps (mask_img, 0, 0, 1, &trap); |
| |
| pixman_image_composite (PIXMAN_OP_OVER, |
| src_img, mask_img, dest_img, |
| 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); |
| |
| show_image (dest_img); |
| |
| pixman_image_unref (src_img); |
| pixman_image_unref (dest_img); |
| free (bits); |
| |
| return 0; |
| } |