Index: Source/core/rendering/RenderInline.cpp |
diff --git a/Source/core/rendering/RenderInline.cpp b/Source/core/rendering/RenderInline.cpp |
index c58194d2ad32ddc5d13a81f8f7bb621b227e9832..cf914767ca8da3f9409bf69533a0319f45f59e01 100644 |
--- a/Source/core/rendering/RenderInline.cpp |
+++ b/Source/core/rendering/RenderInline.cpp |
@@ -1020,6 +1020,33 @@ LayoutRect RenderInline::linesVisualOverflowBoundingBox() const |
return rect; |
} |
+LayoutRect RenderInline::absoluteClippedOverflowRect() const |
+{ |
+ if (!continuation()) |
+ return clippedOverflowRectForPaintInvalidation(view()); |
+ |
+ FloatRect floatResult; |
+ LinesBoundingBoxGeneratorContext context(floatResult); |
+ |
+ RenderInline* endContinuation = inlineElementContinuation(); |
+ while (endContinuation->inlineElementContinuation()) |
+ endContinuation = endContinuation->inlineElementContinuation(); |
+ |
+ // Note the following algorithm is N^2 (if the continuation is N renderers and the averagae |
+ // depth of those renderers is M, we'll visit N*M nodes). We can possibly do some optimizations, |
+ // such as mapping all these rects into a common ancestor's address space then mapping the |
+ // result into the view. |
+ for (RenderBlock* currBlock = containingBlock(); currBlock && currBlock->isAnonymousBlock(); currBlock = toRenderBlock(currBlock->nextSibling())) { |
+ for (RenderObject* curr = currBlock->firstChild(); curr; curr = curr->nextSibling()) { |
+ LayoutRect rect = curr->clippedOverflowRectForPaintInvalidation(view()); |
+ context(FloatRect(enclosingIntRect(rect))); |
leviw_travelin_and_unemployed
2015/01/20 20:19:24
If you're eventually taking the enclosingIntRect o
c.shu
2015/01/20 23:10:22
Done.
|
+ if (curr == endContinuation) |
+ return enclosingIntRect(floatResult); |
+ } |
+ } |
+ return LayoutRect(); |
+} |
+ |
LayoutRect RenderInline::clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const |
{ |
if ((!firstLineBoxIncludingCulling() && !continuation()) || style()->visibility() != VISIBLE) |