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changes to support opacity.

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This commit is contained in:
michaelp@netscape.com
1998-10-23 17:54:23 +00:00
parent ccafa4b599
commit f9fd367772
7 changed files with 24 additions and 46 deletions
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27
layout/html/base/src/nsHTMLContainerFrame.cpp
View File

@@ -440,29 +440,17 @@ nsHTMLContainerFrame::CreateViewForFrame(nsIPresContext& aPresContext,
aFrame->GetView(view);
// If we don't yet have a view; see if we need a view
if (nsnull == view) {
// We don't yet have a view; see if we need a view
// Get my nsStyleColor
const nsStyleColor* myColor = (const nsStyleColor*)
aStyleContext->GetStyleData(eStyleStruct_Color);
// See if the opacity is not the same as the geometric parent
// frames opacity.
if (!aForce) {
nsIFrame* parent;
aFrame->GetGeometricParent(parent);
if (nsnull != parent) {
// Get parent's nsStyleColor
const nsStyleColor* parentColor;
parent->GetStyleData(eStyleStruct_Color,
(const nsStyleStruct*&)parentColor);
// If the opacities are different then I need a view
if (myColor->mOpacity != parentColor->mOpacity) {
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
("nsHTMLContainerFrame::CreateViewForFrame: frame=%p opacity=%g parentOpacity=%g",
aFrame, myColor->mOpacity, parentColor->mOpacity));
aForce = PR_TRUE;
}
}
if (myColor->mOpacity != 1.0f) {
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
("nsHTMLContainerFrame::CreateViewForFrame: frame=%p opacity=%g",
aFrame, myColor->mOpacity));
aForce = PR_TRUE;
}
// See if the frame is being relatively positioned
@@ -518,6 +506,7 @@ nsHTMLContainerFrame::CreateViewForFrame(nsIPresContext& aPresContext,
if (NS_STYLE_BG_COLOR_TRANSPARENT & myColor->mBackgroundFlags) {
viewManager->SetViewContentTransparency(view, PR_TRUE);
}
viewManager->SetViewOpacity(view, myColor->mOpacity);
NS_RELEASE(viewManager);
}