| #include <stdio.h> |
| #include <stdlib.h> |
| #include "pixman.h" |
| #include "gtk-utils.h" |
| |
| int |
| main (int argc, char **argv) |
| { |
| #define WIDTH 200 |
| #define HEIGHT 200 |
| |
| #define d2f pixman_double_to_fixed |
| |
| uint32_t *src = malloc (WIDTH * HEIGHT * 4); |
| uint32_t *mask = malloc (WIDTH * HEIGHT * 4); |
| uint32_t *dest = malloc (WIDTH * HEIGHT * 4); |
| pixman_fixed_t convolution[] = |
| { |
| d2f (3), d2f (3), |
| d2f (0.5), d2f (0.5), d2f (0.5), |
| d2f (0.5), d2f (0.5), d2f (0.5), |
| d2f (0.5), d2f (0.5), d2f (0.5), |
| }; |
| pixman_image_t *simg, *mimg, *dimg; |
| |
| int i; |
| |
| for (i = 0; i < WIDTH * HEIGHT; ++i) |
| { |
| src[i] = 0x7f007f00; |
| mask[i] = (i % 256) * 0x01000000; |
| dest[i] = 0; |
| } |
| |
| simg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src, WIDTH * 4); |
| mimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, mask, WIDTH * 4); |
| dimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4); |
| |
| pixman_image_set_filter (mimg, PIXMAN_FILTER_CONVOLUTION, |
| convolution, 11); |
| |
| pixman_image_composite (PIXMAN_OP_OVER, simg, mimg, dimg, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); |
| |
| show_image (dimg); |
| |
| return 0; |
| } |