diff options
| -rw-r--r-- | svx/source/sdr/overlay/overlaymanagerbuffered.cxx | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/svx/source/sdr/overlay/overlaymanagerbuffered.cxx b/svx/source/sdr/overlay/overlaymanagerbuffered.cxx index 309fabe4690a..ecc2c6880dfe 100644 --- a/svx/source/sdr/overlay/overlaymanagerbuffered.cxx +++ b/svx/source/sdr/overlay/overlaymanagerbuffered.cxx @@ -391,15 +391,28 @@ namespace sdr if(bTargetIsWindow) { Window& rWindow = static_cast< Window& >(rmOutputDevice); - if(rWindow.IsChildTransparentModeEnabled()) + + if(rWindow.IsChildTransparentModeEnabled() && rWindow.GetChildCount()) { - // Get VCL to invalidate it's children - more efficiently. fdo#58029 const Rectangle aRegionRectanglePixel( maBufferRememberedRangePixel.getMinX(), maBufferRememberedRangePixel.getMinY(), maBufferRememberedRangePixel.getMaxX(), maBufferRememberedRangePixel.getMaxY()); - rWindow.Invalidate(aRegionRectanglePixel, - INVALIDATE_NOTRANSPARENT|INVALIDATE_CHILDREN|INVALIDATE_UPDATE); + for(sal_uInt16 a(0); a < rWindow.GetChildCount(); a++) + { + Window* pCandidate = rWindow.GetChild(a); + + if(pCandidate && pCandidate->IsPaintTransparent()) + { + const Rectangle aCandidatePosSizePixel(pCandidate->GetPosPixel(), pCandidate->GetSizePixel()); + + if(aCandidatePosSizePixel.IsOver(aRegionRectanglePixel)) + { + pCandidate->Invalidate(INVALIDATE_NOTRANSPARENT|INVALIDATE_CHILDREN); + pCandidate->Update(); + } + } + } } } |