51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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#include "../test/utils.h"
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#include "gtk-utils.h"
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#define WIDTH 1024
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#define HEIGHT 640
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int
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main (int argc, char **argv)
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{
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pixman_image_t *src_img, *dest_img;
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pixman_gradient_stop_t stops[] = {
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{ 0x00000, { 0x0000, 0x0000, 0x4444, 0xdddd } },
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{ 0x10000, { 0xeeee, 0xeeee, 0x8888, 0xdddd } },
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#if 0
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/* These colors make it very obvious that dithering
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* is useful even for 8-bit gradients
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*/
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{ 0x00000, { 0x6666, 0x3333, 0x3333, 0xffff } },
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{ 0x10000, { 0x3333, 0x6666, 0x6666, 0xffff } },
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#endif
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};
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pixman_point_fixed_t p1, p2;
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enable_divbyzero_exceptions ();
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dest_img = pixman_image_create_bits (PIXMAN_x8r8g8b8,
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WIDTH, HEIGHT,
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NULL, 0);
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p1.x = p1.y = 0x0000;
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p2.x = WIDTH << 16;
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p2.y = HEIGHT << 16;
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src_img = pixman_image_create_linear_gradient (&p1, &p2, stops, ARRAY_LENGTH (stops));
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pixman_image_composite32 (PIXMAN_OP_OVER,
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src_img,
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NULL,
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dest_img,
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0, 0,
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0, 0,
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0, 0,
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WIDTH, HEIGHT);
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show_image (dest_img);
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pixman_image_unref (dest_img);
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return 0;
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}
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