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Bug 860253. Clear clip state on children of an nsDisplayTransform because they're in a different coordinate system, and we'll clip the nsDisplayTransform itself. r=mattwoodrow

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This commit is contained in:
Robert O'Callahan
2013-04-15 19:10:19 +12:00
parent 8dbd4de2bd
commit 01c8ad072d
1 changed files with 13 additions and 5 deletions
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8
layout/generic/nsSimplePageSequence.cpp
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@@ -807,12 +807,20 @@ nsSimplePageSequenceFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
DisplayBorderBackgroundOutline(aBuilder, aLists); DisplayBorderBackgroundOutline(aBuilder, aLists);
nsDisplayList content; nsDisplayList content;
{
// Clear clip state while we construct the children of the
// nsDisplayTransform, since they'll be in a different coordinate system.
DisplayListClipState::AutoSaveRestore clipState(aBuilder);
clipState.Clear();
nsIFrame* child = GetFirstPrincipalChild(); nsIFrame* child = GetFirstPrincipalChild();
while (child) { while (child) {
child->BuildDisplayListForStackingContext(aBuilder, child->BuildDisplayListForStackingContext(aBuilder,
child->GetVisualOverflowRectRelativeToSelf(), &content); child->GetVisualOverflowRectRelativeToSelf(), &content);
child = child->GetNextSibling(); child = child->GetNextSibling();
} }
}
content.AppendNewToTop(new (aBuilder) content.AppendNewToTop(new (aBuilder)
nsDisplayTransform(aBuilder, this, &content, ::ComputePageSequenceTransform)); nsDisplayTransform(aBuilder, this, &content, ::ComputePageSequenceTransform));