---
I'm not sure whether these values are self-explanatory to everyone else, but I
found these comments somewhat helpful when studying the Drawable tree code
recently.
common/region.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/common/region.h b/common/region.h
index 4619406..9f92b32 100644
--- a/common/region.h
+++ b/common/region.h
@@ -29,8 +29,11 @@ SPICE_BEGIN_DECLS
typedef pixman_region32_t QRegion;
+/* the left region is not contained entirely within the right region */
#define REGION_TEST_LEFT_EXCLUSIVE (1 << 0)
+/* the right region is not contained entirely within the left region */
#define REGION_TEST_RIGHT_EXCLUSIVE (1 << 1)
+/* the regions overlap */
#define REGION_TEST_SHARED (1 << 2)
#define REGION_TEST_ALL \
(REGION_TEST_LEFT_EXCLUSIVE | REGION_TEST_RIGHT_EXCLUSIVE | REGION_TEST_SHARED)
--
2.9.3
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