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

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BoxClipper_h
   6 #define BoxClipper_h
   7
   8 #include "platform/geometry/LayoutPoint.h"
   9 #include "platform/graphics/paint/DisplayItem.h"
  10 #include "wtf/Allocator.h"
  11
  12 namespace blink {
  13
  14 class LayoutBox;
  15 struct PaintInfo;
  16
  17 enum ContentsClipBehavior { ForceContentsClip, SkipContentsClipIfPossible };
  18
  19 class BoxClipper {
  20     STACK_ALLOCATED();
  21 public:
  22     BoxClipper(const LayoutBox&, const PaintInfo&, const LayoutPoint& accumulatedOffset, ContentsClipBehavior);
  23     ~BoxClipper();
  24 private:
  25     const LayoutBox& m_box;
  26     const PaintInfo& m_paintInfo;
  27     DisplayItem::Type m_clipType;
  28 };
  29
  30 } // namespace blink
  31
  32 #endif // BoxClipper_h