[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [57964] trunk/blender/source/blender/ compositor/operations/COM_WrapOperation.cpp: Fix deadlock in coordinate wrapping operation with zero dimension

[Sergey Sharybin]

Revision: 57964
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=57964
Author:   nazgul
Date:     2013-07-03 15:33:14 +0000 (Wed, 03 Jul 2013)
Log Message:
-----------
Fix deadlock in coordinate wrapping operation with zero dimension

Modified Paths:
--------------
    trunk/blender/source/blender/compositor/operations/COM_WrapOperation.cpp

Modified: trunk/blender/source/blender/compositor/operations/COM_WrapOperation.cpp
===================================================================
--- trunk/blender/source/blender/compositor/operations/COM_WrapOperation.cpp	2013-07-03 15:33:11 UTC (rev 57963)
+++ trunk/blender/source/blender/compositor/operations/COM_WrapOperation.cpp	2013-07-03 15:33:14 UTC (rev 57964)
@@ -42,12 +42,14 @@
 
 inline float WrapOperation::getWrappedOriginalXPos(float x)
 {
+	if (this->getWidth() == 0) return 0;
 	while (x < 0) x += this->m_width;
 	return fmodf(x, this->getWidth());
 }
 
 inline float WrapOperation::getWrappedOriginalYPos(float y)
 {
+	if (this->getHeight() == 0) return 0;
 	while (y < 0) y += this->m_height;
 	return fmodf(y, this->getHeight());
 }