From ba4e2aad3eaf0102e52099bda2097dfc8082c3dd Mon Sep 17 00:00:00 2001
From: Michael Meeks <michael.meeks@suse.com>
Date: Wed, 20 Mar 2013 17:43:58 +0000
Subject: avoid floating-point error with empty bitmaps.

Change-Id: I11be81b52e32c776905a6caac1582cd1a839ab24
---
 sdext/source/presenter/PresenterCanvasHelper.cxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sdext')

diff --git a/sdext/source/presenter/PresenterCanvasHelper.cxx b/sdext/source/presenter/PresenterCanvasHelper.cxx
index 899a2a70dbb0..92f3f1ac6200 100644
--- a/sdext/source/presenter/PresenterCanvasHelper.cxx
+++ b/sdext/source/presenter/PresenterCanvasHelper.cxx
@@ -153,6 +153,9 @@ void PresenterCanvasHelper::PaintTiledBitmap (
 
     // Tile the bitmap over the repaint box.
     const geometry::IntegerSize2D aBitmapSize (rxTexture->getSize());
+    if( aBitmapSize.Width < 1 || aBitmapSize.Height < 1)
+        return;
+
     const sal_Int32 nLeft = (rRepaintBox.X / aBitmapSize.Width) * aBitmapSize.Width;
     const sal_Int32 nTop = (rRepaintBox.Y / aBitmapSize.Height) * aBitmapSize.Height;
     const sal_Int32 nRight = ((rRepaintBox.X + rRepaintBox.Width - 1 + aBitmapSize.Width - 1)
-- 
cgit