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Bug 70798 Ability to have transparent background on <popup>s r+sr=roc

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git-svn-id: svn://10.0.0.236/trunk@209326 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
neil%parkwaycc.co.uk
2006-09-07 08:50:43 +00:00
parent f86c7a523f
commit 74cd7ccc2b
3 changed files with 28 additions and 17 deletions
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21
mozilla/view/src/nsViewManager.cpp
View File

@@ -786,6 +786,7 @@ void nsViewManager::RenderViews(nsView *aView, nsIRenderingContext& aRC,
const nsRegion& aRegion, nsIDrawingSurface* aRCSurface)
{
#ifndef MOZ_CAIRO_GFX
BlendingBuffers* buffers = nsnull;
nsIWidget* widget = aView->GetWidget();
PRBool translucentWindow = PR_FALSE;
if (widget) {
@@ -793,15 +794,14 @@ void nsViewManager::RenderViews(nsView *aView, nsIRenderingContext& aRC,
if (translucentWindow) {
NS_WARNING("Transparent window enabled");
NS_ASSERTION(aRCSurface, "Cannot support transparent windows with doublebuffering disabled");
// Create a buffer wrapping aRC (which is usually the double-buffering offscreen buffer).
buffers = CreateBlendingBuffers(&aRC, PR_TRUE, aRCSurface, translucentWindow, aRegion.GetBounds());
NS_ASSERTION(buffers, "Failed to create rendering buffers");
if (!buffers)
return;
}
}
// Create a buffer wrapping aRC (which is usually the double-buffering offscreen buffer).
BlendingBuffers* buffers =
CreateBlendingBuffers(&aRC, PR_TRUE, aRCSurface, translucentWindow, aRegion.GetBounds());
NS_ASSERTION(buffers, "Failed to create rendering buffers");
if (!buffers)
return;
#endif
if (mObserver) {
@@ -814,6 +814,10 @@ void nsViewManager::RenderViews(nsView *aView, nsIRenderingContext& aRC,
aRC.Translate(-offsetToRoot.x, -offsetToRoot.y);
mObserver->Paint(displayRoot, &aRC, damageRegion);
aRC.PopState();
#ifndef MOZ_CAIRO_GFX
if (translucentWindow)
mObserver->Paint(displayRoot, buffers->mWhiteCX, aRegion);
#endif
}
#ifndef MOZ_CAIRO_GFX
@@ -830,9 +834,8 @@ void nsViewManager::RenderViews(nsView *aView, nsIRenderingContext& aRC,
widget->UpdateTranslucentWindowAlpha(r, alphas);
}
delete[] alphas;
delete buffers;
}
delete buffers;
#endif
}