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work to get drawing done based on regions and not rects a=shaver r=beard

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git-svn-id: svn://10.0.0.236/trunk@49179 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
pavlov%netscape.com
1999-09-28 01:28:03 +00:00
parent 091b0a01d1
commit b5bbc1919b
3 changed files with 27 additions and 2 deletions
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26
mozilla/view/src/nsViewManager.cpp
View File

@@ -978,7 +978,7 @@ void nsViewManager :: RenderViews(nsIView *aRootView, nsIRenderingContext& aRC,
// permanently remove any painted opaque views.
mOffScreenCX->SetClipRegion(*paintedRgn, nsClipCombine_kSubtract, clipstate);
mRedCX->SetClipRegion(*paintedRgn, nsClipCombine_kSubtract, clipstate);
mRedCX->SetClipRegion(*paintedRgn, nsClipCombine_kSubtract, clipstate);
mBlueCX->SetClipRegion(*paintedRgn, nsClipCombine_kSubtract, clipstate);
} else {
aRC.PopState(clipstate);
@@ -2229,6 +2229,30 @@ nsIRenderingContext * nsViewManager :: CreateRenderingContext(nsIView &aView)
return cx;
}
void nsViewManager::AddRegionToDirtyRegion(nsIView* aView, const nsIRegion *aRegion) const
{
// Get the dirty region associated with the view
nsIRegion *dirtyRegion;
aView->GetDirtyRegion(dirtyRegion);
if (nsnull == dirtyRegion) {
// The view doesn't have a dirty region so create one
nsresult rv = nsComponentManager::CreateInstance(kRegionCID,
nsnull,
NS_GET_IID(nsIRegion),
(void **)&dirtyRegion);
if (NS_FAILED(rv)) return;
dirtyRegion->Init();
aView->SetDirtyRegion(dirtyRegion);
}
// since this is only used to buffer update requests, keep them in app units.
dirtyRegion->Union(*aRegion);
NS_RELEASE(dirtyRegion);
}
void nsViewManager::AddRectToDirtyRegion(nsIView* aView, const nsRect &aRect) const
{
// Get the dirty region associated with the view