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25 * Author: Chris Wilson <chris@chris-wilson.co.uk>
29 * This test case aims to reproduce the misbehaviour exhibited in
30 * https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/710072
31 * i.e. out of bounds rendering with the rectangular span compositor.
34 #include "cairo-test.h"
36 static cairo_test_status_t
37 draw_aligned (cairo_t *cr, int width, int height)
39 cairo_set_source_rgb (cr, 1, 1, 1);
42 cairo_rectangle (cr, -10, -10, 20, 20);
43 cairo_rectangle (cr, 5, 5, 20, 20);
44 cairo_set_source_rgb (cr, 0, 0, 0);
45 cairo_fill_preserve (cr);
46 cairo_set_source_rgba (cr, 1, 0, 0, .5);
49 return CAIRO_TEST_SUCCESS;
52 static cairo_test_status_t
53 draw_unaligned (cairo_t *cr, int width, int height)
55 cairo_set_source_rgb (cr, 1, 1, 1);
58 cairo_rectangle (cr, -10.5, -10.5, 20, 20);
59 cairo_rectangle (cr, 5.5, 5.5, 20, 20);
60 cairo_set_source_rgb (cr, 0, 0, 0);
61 cairo_fill_preserve (cr);
62 cairo_set_source_rgba (cr, 1, 0, 0, .5);
65 return CAIRO_TEST_SUCCESS;
68 CAIRO_TEST (image_bug_710072_aligned,
69 "Tests a bug where we may compute spans greater than bounded extents",
70 "extents,fill,stroke", /* keywords */
71 NULL, /* requirements */
75 CAIRO_TEST (image_bug_710072_unaligned,
76 "Tests a bug where we may compute spans greater than bounded extents",
77 "extents,fill,stroke", /* keywords */
78 NULL, /* requirements */