diff options
Diffstat (limited to 'pixman/test/region-test.c')
-rw-r--r-- | pixman/test/region-test.c | 246 |
1 files changed, 123 insertions, 123 deletions
diff --git a/pixman/test/region-test.c b/pixman/test/region-test.c index 9d5a41eb9..a1fc4a837 100644 --- a/pixman/test/region-test.c +++ b/pixman/test/region-test.c @@ -1,123 +1,123 @@ -#include <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include "utils.h" - -int -main () -{ - pixman_region32_t r1; - pixman_region32_t r2; - pixman_region32_t r3; - pixman_box32_t boxes[] = { - { 10, 10, 20, 20 }, - { 30, 30, 30, 40 }, - { 50, 45, 60, 44 }, - }; - pixman_box32_t boxes2[] = { - { 2, 6, 7, 6 }, - { 4, 1, 6, 7 }, - }; - pixman_box32_t boxes3[] = { - { 2, 6, 7, 6 }, - { 4, 1, 6, 1 }, - }; - int i, j; - pixman_box32_t *b; - pixman_image_t *image, *fill; - pixman_color_t white = { - 0xffff, - 0xffff, - 0xffff, - 0xffff - }; - - /* This used to go into an infinite loop before pixman-region.c - * was fixed to not use explict "short" variables - */ - pixman_region32_init_rect (&r1, 0, 0, 20, 64000); - pixman_region32_init_rect (&r2, 0, 0, 20, 64000); - pixman_region32_init_rect (&r3, 0, 0, 20, 64000); - - pixman_region32_subtract (&r1, &r2, &r3); - - - /* This would produce a region containing an empty - * rectangle in it. Such regions are considered malformed, - * but using an empty rectangle for initialization should - * work. - */ - pixman_region32_init_rects (&r1, boxes, 3); - - b = pixman_region32_rectangles (&r1, &i); - - assert (i == 1); - - while (i--) - { - assert (b[i].x1 < b[i].x2); - assert (b[i].y1 < b[i].y2); - } - - /* This would produce a rectangle containing the bounding box - * of the two rectangles. The correct result is to eliminate - * the broken rectangle. - */ - pixman_region32_init_rects (&r1, boxes2, 2); - - b = pixman_region32_rectangles (&r1, &i); - - assert (i == 1); - - assert (b[0].x1 == 4); - assert (b[0].y1 == 1); - assert (b[0].x2 == 6); - assert (b[0].y2 == 7); - - /* This should produce an empty region */ - pixman_region32_init_rects (&r1, boxes3, 2); - - b = pixman_region32_rectangles (&r1, &i); - - assert (i == 0); - - fill = pixman_image_create_solid_fill (&white); - for (i = 0; i < 100; i++) - { - int image_size = 128; - - pixman_region32_init (&r1); - - /* Add some random rectangles */ - for (j = 0; j < 64; j++) - pixman_region32_union_rect (&r1, &r1, - lcg_rand_n (image_size), - lcg_rand_n (image_size), - lcg_rand_n (25), - lcg_rand_n (25)); - - /* Clip to image size */ - pixman_region32_init_rect (&r2, 0, 0, image_size, image_size); - pixman_region32_intersect (&r1, &r1, &r2); - pixman_region32_fini (&r2); - - /* render region to a1 mask */ - image = pixman_image_create_bits (PIXMAN_a1, image_size, image_size, NULL, 0); - pixman_image_set_clip_region32 (image, &r1); - pixman_image_composite32 (PIXMAN_OP_SRC, - fill, NULL, image, - 0, 0, 0, 0, 0, 0, - image_size, image_size); - pixman_region32_init_from_image (&r2, image); - - pixman_image_unref (image); - - assert (pixman_region32_equal (&r1, &r2)); - pixman_region32_fini (&r1); - pixman_region32_fini (&r2); - - } - pixman_image_unref (fill); - - return 0; -} +#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "utils.h"
+
+int
+main ()
+{
+ pixman_region32_t r1;
+ pixman_region32_t r2;
+ pixman_region32_t r3;
+ pixman_box32_t boxes[] = {
+ { 10, 10, 20, 20 },
+ { 30, 30, 30, 40 },
+ { 50, 45, 60, 44 },
+ };
+ pixman_box32_t boxes2[] = {
+ { 2, 6, 7, 6 },
+ { 4, 1, 6, 7 },
+ };
+ pixman_box32_t boxes3[] = {
+ { 2, 6, 7, 6 },
+ { 4, 1, 6, 1 },
+ };
+ int i, j;
+ pixman_box32_t *b;
+ pixman_image_t *image, *fill;
+ pixman_color_t white = {
+ 0xffff,
+ 0xffff,
+ 0xffff,
+ 0xffff
+ };
+
+ /* This used to go into an infinite loop before pixman-region.c
+ * was fixed to not use explict "short" variables
+ */
+ pixman_region32_init_rect (&r1, 0, 0, 20, 64000);
+ pixman_region32_init_rect (&r2, 0, 0, 20, 64000);
+ pixman_region32_init_rect (&r3, 0, 0, 20, 64000);
+
+ pixman_region32_subtract (&r1, &r2, &r3);
+
+
+ /* This would produce a region containing an empty
+ * rectangle in it. Such regions are considered malformed,
+ * but using an empty rectangle for initialization should
+ * work.
+ */
+ pixman_region32_init_rects (&r1, boxes, 3);
+
+ b = pixman_region32_rectangles (&r1, &i);
+
+ assert (i == 1);
+
+ while (i--)
+ {
+ assert (b[i].x1 < b[i].x2);
+ assert (b[i].y1 < b[i].y2);
+ }
+
+ /* This would produce a rectangle containing the bounding box
+ * of the two rectangles. The correct result is to eliminate
+ * the broken rectangle.
+ */
+ pixman_region32_init_rects (&r1, boxes2, 2);
+
+ b = pixman_region32_rectangles (&r1, &i);
+
+ assert (i == 1);
+
+ assert (b[0].x1 == 4);
+ assert (b[0].y1 == 1);
+ assert (b[0].x2 == 6);
+ assert (b[0].y2 == 7);
+
+ /* This should produce an empty region */
+ pixman_region32_init_rects (&r1, boxes3, 2);
+
+ b = pixman_region32_rectangles (&r1, &i);
+
+ assert (i == 0);
+
+ fill = pixman_image_create_solid_fill (&white);
+ for (i = 0; i < 100; i++)
+ {
+ int image_size = 128;
+
+ pixman_region32_init (&r1);
+
+ /* Add some random rectangles */
+ for (j = 0; j < 64; j++)
+ pixman_region32_union_rect (&r1, &r1,
+ lcg_rand_n (image_size),
+ lcg_rand_n (image_size),
+ lcg_rand_n (25),
+ lcg_rand_n (25));
+
+ /* Clip to image size */
+ pixman_region32_init_rect (&r2, 0, 0, image_size, image_size);
+ pixman_region32_intersect (&r1, &r1, &r2);
+ pixman_region32_fini (&r2);
+
+ /* render region to a1 mask */
+ image = pixman_image_create_bits (PIXMAN_a1, image_size, image_size, NULL, 0);
+ pixman_image_set_clip_region32 (image, &r1);
+ pixman_image_composite32 (PIXMAN_OP_SRC,
+ fill, NULL, image,
+ 0, 0, 0, 0, 0, 0,
+ image_size, image_size);
+ pixman_region32_init_from_image (&r2, image);
+
+ pixman_image_unref (image);
+
+ assert (pixman_region32_equal (&r1, &r2));
+ pixman_region32_fini (&r1);
+ pixman_region32_fini (&r2);
+
+ }
+ pixman_image_unref (fill);
+
+ return 0;
+}
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