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Bug 317514. Add nsRegion::SimpleSubtract, Contains(aRect) and Intersects(aRect). r=dainis_jonitis, sr=bzbarsky

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git-svn-id: svn://10.0.0.236/trunk@185240 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
roc+%cs.cmu.edu 2005-11-24 01:11:12 +00:00
parent fa01502373
commit 980a0062fd
1 changed files with 3 additions and 1 deletions
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4
mozilla/gfx/src/nsRegion.cpp
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@ -1289,11 +1289,13 @@ void nsRegion::SimpleSubtract (const nsRect& aRect)
if (aRect.IsEmpty())
return;
// protect against aRect being one of our own rectangles
nsRect param = aRect;
RgnRect* r = mRectListHead.next;
while (r != &mRectListHead)
{
RgnRect* next = r->next;
if (aRect.Contains(*r)) {
if (param.Contains(*r)) {
delete Remove(r);
}
r = next;