[PATCH] Improve PIXREGION_NIL to return true on degenerated regions.

[Matthias Hopf]

Fixes Novell bug 568811.
---
 pixman/pixman-region.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/pixman/pixman-region.c b/pixman/pixman-region.c
index a6a4005..179241d 100644
--- a/pixman/pixman-region.c
+++ b/pixman/pixman-region.c
@@ -69,7 +69,11 @@
 #include <stdio.h>
 #include "pixman-private.h"
 
-#define PIXREGION_NIL(reg) ((reg)->data && !(reg)->data->numRects)
+#define PIXREGION_NIL(reg) (((reg)->data && !(reg)->data->numRects) ||	\
+			    (! (reg)->data &&				\
+			     (reg)->extents.x1 == (reg)->extents.x2 &&	\
+			     (reg)->extents.y1 == (reg)->extents.y2))
+
 /* not a region */
 #define PIXREGION_NAR(reg)      ((reg)->data == pixman_broken_data)
 #define PIXREGION_NUMRECTS(reg) ((reg)->data ? (reg)->data->numRects : 1)
-- 
1.6.0.2


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