svx/source/svdraw/svdpagv.cxx | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
New commits: commit 5200d19a541b59141d15e3780f5197569b6b135e Author: Michael Stahl <[email protected]> Date: Mon Feb 3 11:26:59 2014 +0100 fdo#63433 fdo#74435: SdrPageView::DrawLayer(): avoid spuriously visible images In the TestBook2.odt of fdo#73300 it happens that at some particular points when scrolling down, the ViewObjectContactOfPageHierarchy::getPrimitive2DSequenceHierarchy() will determine that > 200 images are visible; most likely this is due to an empty ObjectContactOfPageView::maViewInformation2D::getViewport(). Loading this many images may need more RAM than is available on 32bit platforms. That appears to happen only (but not always) if somehow (not sure how exactly) the rectangle passed to SdrPageView::DrawLayer() and the existing GetRedrawRegion() do not overlap at all. (regression from commit 8af09bf33291df2fb2bfbbd6e42f9bf074fcc4fc) (cherry picked from commit 66f8b54931f193bdc844c6bca388d9bde98779cd) Change-Id: Iafc595241df05204bccec1f2336014fc471b6602 Reviewed-on: https://gerrit.libreoffice.org/7813 Reviewed-by: Caolán McNamara <[email protected]> Tested-by: Caolán McNamara <[email protected]> diff --git a/svx/source/svdraw/svdpagv.cxx b/svx/source/svdraw/svdpagv.cxx index cd13358..bbd94bf 100644 --- a/svx/source/svdraw/svdpagv.cxx +++ b/svx/source/svdraw/svdpagv.cxx @@ -350,7 +350,16 @@ void SdrPageView::DrawLayer(SdrLayerID nID, OutputDevice* pGivenTarget, sdr::con // Copy existing paint region to use the same as prepared in BeginDrawLayer SdrPaintWindow& rExistingPaintWindow = pPreparedTarget->GetPaintWindow(); const Region& rExistingRegion = rExistingPaintWindow.GetRedrawRegion(); - if ( rRect.IsEmpty() ) + bool bUseRect(false); + if (!rRect.IsEmpty()) + { + Region r(rExistingRegion); + r.Intersect(rRect); + // fdo#74435: FIXME: visibility check broken if empty + if (!r.IsEmpty()) + bUseRect = true; + } + if (!bUseRect) aTemporaryPaintWindow.SetRedrawRegion(rExistingRegion); else aTemporaryPaintWindow.SetRedrawRegion(Region(rRect));
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