49 lines
1.2 KiB
C
49 lines
1.2 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 "../test/utils.h"
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#include "gtk-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 POINT(x,y) \
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{ pixman_double_to_fixed ((x)), pixman_double_to_fixed ((y)) }
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pixman_image_t *src_img, *dest_img;
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pixman_triangle_t tris[4] =
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{
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{ POINT (100, 100), POINT (10, 50), POINT (110, 10) },
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{ POINT (100, 100), POINT (150, 10), POINT (200, 50) },
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{ POINT (100, 100), POINT (10, 170), POINT (90, 175) },
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{ POINT (100, 100), POINT (170, 150), POINT (120, 190) },
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};
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pixman_color_t color = { 0x4444, 0x4444, 0xffff, 0xffff };
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uint32_t *bits = malloc (WIDTH * HEIGHT * 4);
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int i;
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for (i = 0; i < WIDTH * HEIGHT; ++i)
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bits[i] = (i / HEIGHT) * 0x01010000;
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src_img = pixman_image_create_solid_fill (&color);
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dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, WIDTH * 4);
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pixman_composite_triangles (PIXMAN_OP_ATOP_REVERSE,
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src_img,
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dest_img,
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PIXMAN_a8,
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200, 200,
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-5, 5,
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ARRAY_LENGTH (tris), tris);
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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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