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Bug 475343. If the region to paint is too complex, just use its bounding box. Mac changes. r=joshmoz

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--HG--
extra : rebase_source : b5374a6b64d22b2284a32c0413129fd0d6e12427
This commit is contained in:
Robert O'Callahan 2009-02-16 14:06:52 +13:00
parent 9375bb735b
commit a8fb8dce34
1 changed files with 24 additions and 15 deletions
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39
widget/src/cocoa/nsChildView.mm
View File

@ -85,6 +85,10 @@
#undef DEBUG_UPDATE
#undef INVALIDATE_DEBUGGING // flash areas as they are invalidated
// Don't put more than this many rects in the dirty region, just fluff
// out to the bounding-box if there are more
#define MAX_RECTS_IN_REGION 100
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG
#endif
@ -3049,25 +3053,30 @@ static const PRInt32 sShadowInvalidationInterval = 100;
if (rgn)
rgn->Init();
const NSRect *rects;
int count, i;
[self getRectsBeingDrawn:&rects count:&count];
for (i = 0; i < count; ++i) {
const NSRect& r = rects[i];
// add to the region
if (rgn)
rgn->Union((PRInt32)r.origin.x, (PRInt32)r.origin.y, (PRInt32)r.size.width, (PRInt32)r.size.height);
// to the context for clipping
targetContext->Rectangle(gfxRect(r.origin.x, r.origin.y, r.size.width, r.size.height));
}
targetContext->Clip();
// bounding box of the dirty area
nsIntRect fullRect;
NSRectToGeckoRect(aRect, fullRect);
const NSRect *rects;
int count, i;
[self getRectsBeingDrawn:&rects count:&count];
if (count < MAX_RECTS_IN_REGION) {
for (i = 0; i < count; ++i) {
const NSRect& r = rects[i];
// add to the region
if (rgn)
rgn->Union((PRInt32)r.origin.x, (PRInt32)r.origin.y, (PRInt32)r.size.width, (PRInt32)r.size.height);
// to the context for clipping
targetContext->Rectangle(gfxRect(r.origin.x, r.origin.y, r.size.width, r.size.height));
}
} else {
rgn->Union(aRect.origin.x, aRect.origin.y, aRect.size.width, aRect.size.height);
targetContext->Rectangle(gfxRect(aRect.origin.x, aRect.origin.y, aRect.size.width, aRect.size.height));
}
targetContext->Clip();
nsPaintEvent paintEvent(PR_TRUE, NS_PAINT, mGeckoChild);
paintEvent.renderingContext = rc;
paintEvent.rect = &fullRect;