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23 * Author: Chris Wilson <chris@chris-wilson.co.uk>
26 #include "cairo-test.h"
29 * Jeff Muizelaar found a bug on Quartz with cairo-surface-clipper, which was
30 * the topmost clip path from two different contexts and finding them equally
31 * incorrectly concluding that the operation was a no-op.
37 static cairo_test_status_t
38 draw (cairo_t *cr, int width, int height)
42 /* opaque background */
43 cairo_set_source_rgb (cr, 0, 0, 0);
46 /* first create an empty, non-overlappiny clip */
47 cr2 = cairo_create (cairo_get_target (cr));
48 cairo_rectangle (cr2, 0, 0, SIZE/2-2, SIZE/2-2);
51 cairo_rectangle (cr2, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2);
54 /* and apply the clip onto the surface, empty nothing should be painted */
55 cairo_set_source_rgba (cr2, 1, 0, 0, .5);
58 /* switch back to the original, and set only the last clip */
59 cairo_rectangle (cr, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2);
62 cairo_set_source_rgba (cr, 0, 0, 1, .5);
67 return CAIRO_TEST_SUCCESS;
70 CAIRO_TEST (clip_contexts,
71 "Test clipping with 2 separate contexts",
72 "clip", /* keywords */
73 NULL, /* requirements */