xenocara/lib/pixman/demos/screen-test.c
matthieu 0def8ce1ff Update to pixman 0.22.2.
0.22.0 was tested by many. 0.22.2 only add a few bug fixes.
Note that on amd64 a recent ld.so is needed to avoid random bus errors.
2011-07-24 13:05:47 +00:00

45 lines
1.4 KiB
C

#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;
}