diff options
Diffstat (limited to 'libs/pixman-0.40.0/demos/screen-test.c')
-rw-r--r-- | libs/pixman-0.40.0/demos/screen-test.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libs/pixman-0.40.0/demos/screen-test.c b/libs/pixman-0.40.0/demos/screen-test.c new file mode 100644 index 0000000..e69dba3 --- /dev/null +++ b/libs/pixman-0.40.0/demos/screen-test.c @@ -0,0 +1,44 @@ +#include <stdio.h> +#include <stdlib.h> +#include "pixman.h" +#include "gtk-utils.h" + +int +main (int argc, char **argv) +{ +#define WIDTH 40 +#define HEIGHT 40 + + uint32_t *src1 = malloc (WIDTH * HEIGHT * 4); + uint32_t *src2 = malloc (WIDTH * HEIGHT * 4); + uint32_t *src3 = malloc (WIDTH * HEIGHT * 4); + uint32_t *dest = malloc (3 * WIDTH * 2 * HEIGHT * 4); + pixman_image_t *simg1, *simg2, *simg3, *dimg; + + int i; + + for (i = 0; i < WIDTH * HEIGHT; ++i) + { + src1[i] = 0x7ff00000; + src2[i] = 0x7f00ff00; + src3[i] = 0x7f0000ff; + } + + for (i = 0; i < 3 * WIDTH * 2 * HEIGHT; ++i) + { + dest[i] = 0x0; + } + + simg1 = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src1, WIDTH * 4); + simg2 = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src2, WIDTH * 4); + simg3 = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src3, WIDTH * 4); + dimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, 3 * WIDTH, 2 * HEIGHT, dest, 3 * WIDTH * 4); + + pixman_image_composite (PIXMAN_OP_SCREEN, simg1, NULL, dimg, 0, 0, 0, 0, WIDTH, HEIGHT / 4, WIDTH, HEIGHT); + pixman_image_composite (PIXMAN_OP_SCREEN, simg2, NULL, dimg, 0, 0, 0, 0, (WIDTH/2), HEIGHT / 4 + HEIGHT / 2, WIDTH, HEIGHT); + pixman_image_composite (PIXMAN_OP_SCREEN, simg3, NULL, dimg, 0, 0, 0, 0, (4 * WIDTH) / 3, HEIGHT, WIDTH, HEIGHT); + + show_image (dimg); + + return 0; +} |