#include <stdio.h>

#include <stdlib.h>

#include "pixman.h"

#include "gtk-utils.h"

int

main (int argc, char **argv)

{

#define WIDTH 200

#define HEIGHT 200

#define d2f pixman_double_to_fixed

    uint32_t *src = malloc (WIDTH * HEIGHT * 4);

    uint32_t *mask = malloc (WIDTH * HEIGHT * 4);

    uint32_t *dest = malloc (WIDTH * HEIGHT * 4);

    pixman_fixed_t convolution[] =

    {

	d2f (3), d2f (3),

	d2f (0.5), d2f (0.5), d2f (0.5),

	d2f (0.5), d2f (0.5), d2f (0.5),

	d2f (0.5), d2f (0.5), d2f (0.5),

    };

    pixman_image_t *simg, *mimg, *dimg;

    int i;

    for (i = 0; i < WIDTH * HEIGHT; ++i)

    {

	src[i] = 0x7f007f00;

	mask[i] = (i % 256) * 0x01000000;

	dest[i] = 0;

    }

    simg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src, WIDTH * 4);

    mimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, mask, WIDTH * 4);

    dimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4);

    pixman_image_set_filter (mimg, PIXMAN_FILTER_CONVOLUTION,

			     convolution, 11);

    pixman_image_composite (PIXMAN_OP_OVER, simg, mimg, dimg, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);

    show_image (dimg);

    return 0;

}