51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "pixman.h"
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#include "utils.h"
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/* This test demonstrates that clipping is done totally different depending
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* on whether the source is transformed or not.
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*/
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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 SMALL 25
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uint32_t *sbits = malloc (SMALL * SMALL * 4);
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uint32_t *bits = malloc (WIDTH * HEIGHT * 4);
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pixman_transform_t trans = {
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{
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{ pixman_double_to_fixed (1.0), pixman_double_to_fixed (0), pixman_double_to_fixed (-0.1), },
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{ pixman_double_to_fixed (0), pixman_double_to_fixed (1), pixman_double_to_fixed (-0.1), },
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{ pixman_double_to_fixed (0), pixman_double_to_fixed (0), pixman_double_to_fixed (1.0) }
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} };
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pixman_image_t *src_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, SMALL, SMALL, sbits, 4 * SMALL);
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pixman_image_t *dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, 4 * WIDTH);
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memset (bits, 0xff, WIDTH * HEIGHT * 4);
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memset (sbits, 0x00, SMALL * SMALL * 4);
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pixman_image_composite (PIXMAN_OP_IN,
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src_img, NULL, dest_img,
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0, 0, 0, 0, SMALL, SMALL, 200, 200);
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pixman_image_set_transform (src_img, &trans);
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pixman_image_composite (PIXMAN_OP_IN,
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src_img, NULL, dest_img,
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0, 0, 0, 0, SMALL * 2, SMALL * 2, 200, 200);
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show_image (dest_img);
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pixman_image_unref (src_img);
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pixman_image_unref (dest_img);
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free (bits);
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return 0;
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}
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