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| author | marha <marha@users.sourceforge.net> | 2010-08-06 10:19:28 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2010-08-06 10:19:28 +0000 |
| commit | 6849d83857b4e470a44ad8b6aa5cfb283fd64c89 (patch) | |
| tree | 40ebbd846199f362c01196efdbe681a3b2c7d7c2 /pixman/test/gradient-crash-test.c | |
| parent | 47ed6413ce8f2586b8d542dc46055e075a47022e (diff) | |
| download | vcxsrv-6849d83857b4e470a44ad8b6aa5cfb283fd64c89.tar.gz vcxsrv-6849d83857b4e470a44ad8b6aa5cfb283fd64c89.tar.bz2 vcxsrv-6849d83857b4e470a44ad8b6aa5cfb283fd64c89.zip | |
pixman git update 6/8/2010
Diffstat (limited to 'pixman/test/gradient-crash-test.c')
| -rw-r--r-- | pixman/test/gradient-crash-test.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/pixman/test/gradient-crash-test.c b/pixman/test/gradient-crash-test.c new file mode 100644 index 000000000..88424dee9 --- /dev/null +++ b/pixman/test/gradient-crash-test.c @@ -0,0 +1,117 @@ +#include <stdio.h>
+#include <stdlib.h>
+#include "pixman.h"
+
+int
+main (int argc, char **argv)
+{
+#define WIDTH 400
+#define HEIGHT 200
+
+ uint32_t *dest = malloc (WIDTH * HEIGHT * 4);
+ pixman_image_t *src_img;
+ pixman_image_t *dest_img;
+ int i, j;
+
+ pixman_gradient_stop_t onestop[1] =
+ {
+ { pixman_int_to_fixed (1), { 0xffff, 0xeeee, 0xeeee, 0xeeee } },
+ };
+
+ pixman_gradient_stop_t subsetstops[2] =
+ {
+ { pixman_int_to_fixed (1), { 0xffff, 0xeeee, 0xeeee, 0xeeee } },
+ { pixman_int_to_fixed (1), { 0xffff, 0xeeee, 0xeeee, 0xeeee } },
+ };
+
+ pixman_gradient_stop_t stops01[2] =
+ {
+ { pixman_int_to_fixed (0), { 0xffff, 0xeeee, 0xeeee, 0xeeee } },
+ { pixman_int_to_fixed (1), { 0xffff, 0x1111, 0x1111, 0x1111 } }
+ };
+
+ pixman_point_fixed_t p1 = { pixman_double_to_fixed (0), 0 };
+ pixman_point_fixed_t p2 = { pixman_double_to_fixed (WIDTH / 8.),
+ pixman_int_to_fixed (0) };
+
+#if 0
+ pixman_transform_t trans = {
+ { { pixman_double_to_fixed (2), pixman_double_to_fixed (0.5), pixman_double_to_fixed (-100), },
+ { pixman_double_to_fixed (0), pixman_double_to_fixed (3), pixman_double_to_fixed (0), },
+ { pixman_double_to_fixed (0), pixman_double_to_fixed (0.000), pixman_double_to_fixed (1.0) }
+ }
+ };
+#else
+ pixman_transform_t trans = {
+ { { pixman_fixed_1, 0, 0 },
+ { 0, pixman_fixed_1, 0 },
+ { 0, 0, pixman_fixed_1 } }
+ };
+#endif
+
+ pixman_point_fixed_t c_inner;
+ pixman_point_fixed_t c_outer;
+ pixman_fixed_t r_inner;
+ pixman_fixed_t r_outer;
+
+ for (i = 0; i < WIDTH * HEIGHT; ++i)
+ dest[i] = 0x4f00004f; /* pale blue */
+
+ dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
+ WIDTH, HEIGHT,
+ dest,
+ WIDTH * 4);
+
+ c_inner.x = pixman_double_to_fixed (50.0);
+ c_inner.y = pixman_double_to_fixed (50.0);
+ c_outer.x = pixman_double_to_fixed (50.0);
+ c_outer.y = pixman_double_to_fixed (50.0);
+ r_inner = 0;
+ r_outer = pixman_double_to_fixed (50.0);
+
+ for (i = 0; i < 3; ++i)
+ {
+ pixman_gradient_stop_t *stops;
+ int num_stops;
+ if (i == 0)
+ {
+ stops = onestop;
+ num_stops = sizeof(onestop) / sizeof(onestop[0]);
+ }
+ else if (i == 1)
+ {
+ stops = subsetstops;
+ num_stops = sizeof(subsetstops) / sizeof(subsetstops[0]);
+ }
+ else
+ {
+ stops = stops01;
+ num_stops = sizeof(stops01) / sizeof(stops01[0]);
+ }
+
+ for (j = 0; j < 3; ++j)
+ {
+ if (j == 0)
+ src_img = pixman_image_create_conical_gradient (&c_inner, r_inner,
+ stops, num_stops);
+ else if (j == 1)
+ src_img = pixman_image_create_radial_gradient (&c_inner, &c_outer,
+ r_inner, r_outer,
+ stops, num_stops);
+ else
+ src_img = pixman_image_create_linear_gradient (&p1, &p2,
+ stops, num_stops);
+ pixman_image_set_transform (src_img, &trans);
+ pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NONE);
+ pixman_image_composite (PIXMAN_OP_OVER, src_img, NULL, dest_img,
+ 0, 0, 0, 0, 0, 0, 10 * WIDTH, HEIGHT);
+
+ }
+ pixman_image_unref (src_img);
+ }
+
+ pixman_image_unref (dest_img);
+ free (dest);
+
+ return 0;
+}
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