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Provide correct GetBounds() for nsDisplayMathMLCharForeground. Bug 161155 - Integrals appear clipped sometimes. r+sr=roc

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This commit is contained in:
karlt+@karlt.net 2007-12-28 14:16:07 -08:00
parent b07dd04746
commit 7c689c0e12
1 changed files with 18 additions and 8 deletions
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26
layout/mathml/base/src/nsMathMLChar.cpp
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@ -1854,21 +1854,31 @@ public:
}
#endif
virtual nsRect GetBounds(nsDisplayListBuilder* aBuilder) {
nsRect rect;
mChar->GetRect(rect);
nsPoint offset =
aBuilder->ToReferenceFrame(mFrame) + rect.TopLeft();
nsBoundingMetrics bm;
mChar->GetBoundingMetrics(bm);
return nsRect(offset.x + bm.leftBearing, offset.y,
bm.rightBearing - bm.leftBearing, bm.ascent + bm.descent);
}
virtual void Paint(nsDisplayListBuilder* aBuilder, nsIRenderingContext* aCtx,
const nsRect& aDirtyRect);
const nsRect& aDirtyRect)
{
mChar->PaintForeground(mFrame->PresContext(), *aCtx,
aBuilder->ToReferenceFrame(mFrame), mIsSelected);
}
NS_DISPLAY_DECL_NAME("MathMLCharForeground")
private:
nsMathMLChar* mChar;
PRPackedBool mIsSelected;
};
void nsDisplayMathMLCharForeground::Paint(nsDisplayListBuilder* aBuilder,
nsIRenderingContext* aCtx, const nsRect& aDirtyRect)
{
mChar->PaintForeground(mFrame->PresContext(), *aCtx,
aBuilder->ToReferenceFrame(mFrame), mIsSelected);
}
#ifdef NS_DEBUG
class nsDisplayMathMLCharDebug : public nsDisplayItem {
public: