#include #include #include #include "pixman.h" #include "gtk-utils.h" int main (int argc, char **argv) { #define WIDTH 200 #define HEIGHT 200 pixman_image_t *src_img; pixman_image_t *mask_img; pixman_image_t *dest_img; pixman_trap_t trap; pixman_color_t white = { 0x0000, 0xffff, 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_int_to_fixed (50) + 0x8000; trap.top.r = pixman_int_to_fixed (150) + 0x8000; trap.top.y = pixman_int_to_fixed (30); trap.bot.l = pixman_int_to_fixed (50) + 0x8000; trap.bot.r = pixman_int_to_fixed (150) + 0x8000; trap.bot.y = pixman_int_to_fixed (150); mask_img = pixman_image_create_bits (PIXMAN_a8, WIDTH, HEIGHT, mbits, WIDTH); src_img = pixman_image_create_solid_fill (&white); 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); show_image (dest_img); pixman_image_unref (src_img); pixman_image_unref (dest_img); free (bits); return 0; }