[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [48995] trunk/blender/source/blender/ blenkernel/intern/mask.c: Fixed crash when rasterizing spline with only one point

[Sergey Sharybin]

Revision: 48995
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48995
Author:   nazgul
Date:     2012-07-17 10:43:57 +0000 (Tue, 17 Jul 2012)
Log Message:
-----------
Fixed crash when rasterizing spline with only one point

It was an issue in new feather self-intersection test code.

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/mask.c

Modified: trunk/blender/source/blender/blenkernel/intern/mask.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/mask.c       2012-07-17 
10:38:22 UTC (rev 48994)
+++ trunk/blender/source/blender/blenkernel/intern/mask.c       2012-07-17 
10:43:57 UTC (rev 48995)
@@ -509,6 +509,14 @@
        int i;
        float min[2], max[2];
 
+       if (tot_feather_point < 4) {
+               /* self-intersection works only for quads at least,
+                * in other cases polygon can't be self-intersecting anyway
+                */
+
+               return;
+       }
+
        /* find min/max corners of mask to build buckets in that space */
        INIT_MINMAX2(min, max);
 

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