50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "pixman.h"
|
|
#include "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;
|
|
}
|