vcl/opengl/gdiimpl.cxx | 4 ++++
1 file changed, 4 insertions(+)
New commits:
commit cbaeb19fa39f0d310b1cadc9a753154ee3b59268
Author: Michael Meeks <[email protected]>
Date: Thu Feb 11 17:35:20 2016 +0000
tdf#97763 - avoid divide by zero for scaling images to tiny dimensions.
Change-Id: I27efebcc1c24d45c17da2ad2959b673153c3eead
Reviewed-on: https://gerrit.libreoffice.org/22297
Reviewed-by: Michael Meeks <[email protected]>
Tested-by: Michael Meeks <[email protected]>
(cherry picked from commit 4d379cd842a9d27a0aec54af5b2ce94c01dfa0bd)
Reviewed-on: https://gerrit.libreoffice.org/22299
Reviewed-by: Jan Holesovsky <[email protected]>
Tested-by: Jan Holesovsky <[email protected]>
diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 8038d76..1480e2c 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -1073,6 +1073,10 @@ void OpenGLSalGraphicsImpl::DrawTransformedTexture(
const long nDestWidth = basegfx::fround(basegfx::B2DVector(rX -
rNull).getLength());
const long nDestHeight = basegfx::fround(basegfx::B2DVector(rY -
rNull).getLength());
+ // Invisibly small images shouldn't divide by zero.
+ if( nDestHeight == 0 || nDestWidth == 0 )
+ return;
+
const double ixscale = rTexture.GetWidth() / nDestWidth;
const double iyscale = rTexture.GetHeight() / nDestHeight;
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