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author | Michael Meeks <michael.meeks@collabora.com> | 2016-02-11 17:35:20 +0000 |
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committer | Michael Meeks <michael.meeks@collabora.com> | 2016-02-11 18:01:36 +0000 |
commit | 4d379cd842a9d27a0aec54af5b2ce94c01dfa0bd (patch) | |
tree | 0165bce467387f74e925381aef6afa45a8242994 | |
parent | 07157e644fa9666850767ff6bd54c1511167a0a2 (diff) |
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 <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>
-rw-r--r-- | vcl/opengl/gdiimpl.cxx | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx index 6676baf040cb..6828efb9b49d 100644 --- a/vcl/opengl/gdiimpl.cxx +++ b/vcl/opengl/gdiimpl.cxx @@ -1072,6 +1072,10 @@ 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; |