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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pixman.h"
int
main (int argc, char **argv)
{
#define WIDTH 20
#define HEIGHT 20
pixman_image_t *src_img;
pixman_image_t *mask_img;
pixman_image_t *dest_img;
pixman_trap_t trap;
pixman_color_t red = { 0xffff, 0x0000, 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_double_to_fixed (0.5);
trap.top.r = pixman_double_to_fixed (1.5);
trap.top.y = pixman_double_to_fixed (0.5);
trap.bot.l = pixman_double_to_fixed (0.5);
trap.bot.r = pixman_double_to_fixed (1.5);
trap.bot.y = pixman_double_to_fixed (1.5);
mask_img = pixman_image_create_bits (
PIXMAN_a1, WIDTH, HEIGHT, mbits, WIDTH);
src_img = pixman_image_create_solid_fill (&red);
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);
assert (bits[0] == 0xffff0000);
assert (bits[1] == 0xffffffff);
assert (bits[1 * WIDTH + 0] == 0xffffffff);
assert (bits[1 * WIDTH + 1] == 0xffffffff);
return 0;
}
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