48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include "pixman.h"
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#include "utils.h"
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int
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main (int argc, char **argv)
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{
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#define WIDTH 200
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#define HEIGHT 200
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#define d2f pixman_double_to_fixed
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uint32_t *src = malloc (WIDTH * HEIGHT * 4);
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uint32_t *mask = malloc (WIDTH * HEIGHT * 4);
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uint32_t *dest = malloc (WIDTH * HEIGHT * 4);
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pixman_fixed_t convolution[] =
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{
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d2f (3), d2f (3),
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d2f (0.5), d2f (0.5), d2f (0.5),
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d2f (0.5), d2f (0.5), d2f (0.5),
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d2f (0.5), d2f (0.5), d2f (0.5),
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};
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pixman_image_t *simg, *mimg, *dimg;
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int i;
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for (i = 0; i < WIDTH * HEIGHT; ++i)
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{
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src[i] = 0x7f007f00;
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mask[i] = (i % 256) * 0x01000000;
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dest[i] = 0;
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}
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simg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src, WIDTH * 4);
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mimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, mask, WIDTH * 4);
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dimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4);
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pixman_image_set_filter (mimg, PIXMAN_FILTER_CONVOLUTION,
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convolution, 11);
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pixman_image_composite (PIXMAN_OP_OVER, simg, mimg, dimg, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
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show_image (dimg);
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return 0;
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}
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