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Unified Diff: third_party/WebKit/Source/core/paint/BlockPainter.cpp

Issue 2144413002: Fix invalidation under scroll, and cull rect testing, of flipped-block writing mode elements. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: none Created 4 years, 5 months ago
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Index: third_party/WebKit/Source/core/paint/BlockPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/BlockPainter.cpp b/third_party/WebKit/Source/core/paint/BlockPainter.cpp
index ae250bfccabca4a2900c7f12483378e5d69586fd..6db51a6b94d7011f8b0b4138b7331af155f3495c 100644
--- a/third_party/WebKit/Source/core/paint/BlockPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/BlockPainter.cpp
@@ -227,10 +227,12 @@ bool BlockPainter::intersectsPaintRect(const PaintInfo& paintInfo, const LayoutP
overflowRect.unite(m_layoutBlock.visualOverflowRect());
if (m_layoutBlock.hasOverflowModel() && m_layoutBlock.usesCompositedScrolling()) {
- overflowRect.unite(m_layoutBlock.layoutOverflowRect());
- overflowRect.move(-m_layoutBlock.scrolledContentOffset());
+ LayoutRect layoutOverflowRect = m_layoutBlock.layoutOverflowRect();
+ m_layoutBlock.flipForWritingMode(layoutOverflowRect);
+ layoutOverflowRect.move(-m_layoutBlock.scrolledContentOffset());
+ overflowRect.unite(layoutOverflowRect);
}
- m_layoutBlock.flipForWritingMode(overflowRect);
+
overflowRect.moveBy(adjustedPaintOffset);
return paintInfo.cullRect().intersectsCullRect(overflowRect);
}

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