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Fix opengl errors when resizing comparison view to invalid size

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Clamp to min 0.0 width
This commit is contained in:
Jacob Støren 2019-11-08 09:41:09 +01:00
parent 8eb94eaabe
commit 0f6a4c0934
1 changed files with 9 additions and 5 deletions
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14
ApplicationCode/UserInterface/RiuComparisonViewMover.cpp
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@ -65,11 +65,15 @@ bool RiuComparisonViewMover::eventFilter( QObject* watched, QEvent* event )
QPointF normMousePos = {mousePos.x() / m_viewer->width(), mousePos.y() / m_viewer->height()};
cvf::Rectf orgCompViewWindow = m_viewer->comparisonViewVisibleNormalizedRect();
m_viewer->setComparisonViewVisibleNormalizedRect(
cvf::Rectf( normMousePos.x(),
orgCompViewWindow.min().y(),
( orgCompViewWindow.min().x() + orgCompViewWindow.width() ) - normMousePos.x(),
orgCompViewWindow.height() ) );
float minx = normMousePos.x();
minx = minx > 1.0 ? 1.0 : minx;
minx = minx < 0.0 ? 0.0 : minx;
float miny = orgCompViewWindow.min().y();
float width = ( orgCompViewWindow.min().x() + orgCompViewWindow.width() ) - normMousePos.x();
width = width < 0.0f ? 0.0 : width;
float height = orgCompViewWindow.height();
m_viewer->setComparisonViewVisibleNormalizedRect( cvf::Rectf( minx, miny, width, height ) );
return true;
}