Change Widget subclasses to use a CullRect instead of an IntRect for painting.

third_party/WebKit/Source/core/paint/PaintInfo.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef PaintInfo_h
 #define PaintInfo_h
 
+#include "core/CoreExport.h"
 // TODO(jchaffraix): Once we unify PaintBehavior and PaintLayerFlags, we should move
-// PaintLayerFlags to PaintPhase and rename it. Thus removing the need for this #include.
-#include "core/CoreExport.h"
+// PaintLayerFlags to PaintPhase and rename it. Thus removing the need for this #include.#include "core/paint/PaintLayerPaintingInfo.h"
 #include "core/paint/PaintLayerPaintingInfo.h"
 #include "core/paint/PaintPhase.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/GraphicsContext.h"
+#include "platform/graphics/paint/CullRect.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/ListHashSet.h"
 
 #include <limits>
 
 namespace blink {
 
 class LayoutInline;
 class LayoutBoxModelObject;
 class LayoutObject;
 class PaintInvalidationState;
 
-class CORE_EXPORT CullRect {
-public:
-    explicit CullRect(const IntRect& rect) : m_rect(rect) { }
-    CullRect(const CullRect&, const IntPoint& offset);
-
-    bool intersectsCullRect(const AffineTransform&, const FloatRect& boundingBox) const;
-    void updateCullRect(const AffineTransform& localToParentTransform);
-    bool intersectsCullRect(const IntRect&) const;
-    bool intersectsCullRect(const LayoutRect&) const;
-    bool intersectsHorizontalRange(LayoutUnit lo, LayoutUnit hi) const;
-    bool intersectsVerticalRange(LayoutUnit lo, LayoutUnit hi) const;
-
-private:
-    IntRect m_rect;
-
-    // TODO(chrishtr): temporary while we implement CullRect everywhere.
-    friend class ReplicaPainter;
-    friend class GridPainter;
-    friend class PartPainter;
-    friend class ScrollableAreaPainter;
-    friend class SVGPaintContext;
-    friend class SVGShapePainter;
-    friend class TableSectionPainter;
-    friend class ThemePainterMac;
-    friend class SVGInlineTextBoxPainter;
-    friend class SVGRootInlineBoxPainter;
-};
-
 struct CORE_EXPORT PaintInfo {
     ALLOW_ONLY_INLINE_ALLOCATION();
     PaintInfo(GraphicsContext* newContext, const IntRect& cullRect, PaintPhase newPhase, GlobalPaintFlags globalPaintFlags, PaintLayerFlags paintFlags,
         LayoutObject* newPaintingRoot = nullptr, const LayoutBoxModelObject* newPaintContainer = nullptr)
         : context(newContext)
         , phase(newPhase)
         , paintingRoot(newPaintingRoot)
         , paintInvalidationState(nullptr)
         , m_cullRect(cullRect)
         , m_paintContainer(newPaintContainer)
@@ skipping 40 matching lines @@
     const GlobalPaintFlags m_globalPaintFlags;
 
     // TODO(chrishtr): temporary while we implement CullRect everywhere.
     friend class SVGPaintContext;
     friend class SVGShapePainter;
 };
 
 } // namespace blink
 
 #endif // PaintInfo_h