55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "utils.h"
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#define WIDTH 100
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#define HEIGHT 100
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int
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main ()
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{
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pixman_image_t *radial;
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pixman_image_t *dest = pixman_image_create_bits (
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PIXMAN_a8r8g8b8, WIDTH, HEIGHT, NULL, -1);
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static const pixman_transform_t xform =
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{
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{ { 0x346f7, 0x0, 0x0 },
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{ 0x0, 0x346f7, 0x0 },
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{ 0x0, 0x0, 0x10000 }
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},
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};
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static const pixman_gradient_stop_t stops[] =
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{
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{ 0xde61, { 0x4481, 0x96e8, 0x1e6a, 0x29e1 } },
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{ 0xfdd5, { 0xfa10, 0xcc26, 0xbc43, 0x1eb7 } },
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{ 0xfe1e, { 0xd257, 0x5bac, 0x6fc2, 0xa33b } },
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};
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static const pixman_point_fixed_t inner = { 0x320000, 0x320000 };
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static const pixman_point_fixed_t outer = { 0x320000, 0x3cb074 };
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enable_divbyzero_exceptions ();
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enable_invalid_exceptions ();
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radial = pixman_image_create_radial_gradient (
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&inner,
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&outer,
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0xab074, /* inner radius */
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0x0, /* outer radius */
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stops, sizeof (stops) / sizeof (stops[0]));
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pixman_image_set_repeat (radial, PIXMAN_REPEAT_REFLECT);
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pixman_image_set_transform (radial, &xform);
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pixman_image_composite (
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PIXMAN_OP_OVER,
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radial, NULL, dest,
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0, 0, 0, 0,
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0, 0, WIDTH, HEIGHT);
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return 0;
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}
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