diff options
| author | Michael Meeks <michael.meeks@collabora.com> | 2016-02-11 17:35:20 +0000 |
|---|---|---|
| committer | Jan Holesovsky <kendy@collabora.com> | 2016-02-11 19:18:03 +0000 |
| commit | cbaeb19fa39f0d310b1cadc9a753154ee3b59268 (patch) | |
| tree | c1d558804b21038c7bd68e1989ba64f621b94454 | |
| parent | 6fb42845b82cc3b065dd788278c08cdacda1e5cc (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>
(cherry picked from commit 4d379cd842a9d27a0aec54af5b2ce94c01dfa0bd)
Reviewed-on: https://gerrit.libreoffice.org/22299
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@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 8038d76bf581..1480e2c0da74 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; |