[cairo-commit] src/cairo-surface-clipper.c

[Chris Wilson]

 src/cairo-surface-clipper.c |    3 +++
 1 file changed, 3 insertions(+)

New commits:
commit 9ef003c5fce30956fefb2f4d9a1ded85cb296b4f
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Aug 5 18:21:26 2011 +0100

    clipper: Don't emit an empty clip-path for no clip boxes
    
    If there are no clip boxes, we do not need to emit an empty clip which
    only confuses the users of the surface-clipper.
    
    Spotted by Andrea Canciani and cairo-quartz
    
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/cairo-surface-clipper.c b/src/cairo-surface-clipper.c
index bbc286b..8429db7 100644
--- a/src/cairo-surface-clipper.c
+++ b/src/cairo-surface-clipper.c
@@ -74,6 +74,9 @@ _cairo_surface_clipper_intersect_clip_boxes (cairo_surface_clipper_t *clipper,
     cairo_status_t status;
     int i;
 
+    if (clip->num_boxes == 0)
+	return CAIRO_STATUS_SUCCESS;
+
     /* Reconstruct the path for the clip boxes.
      * XXX maybe a new clipper callback?
      */