#include <assert.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "utils.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; }