third_party/WebKit/Source/core/paint/ClipScope.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 ClipScope_h
   6 #define ClipScope_h
   7
   8 #include "platform/graphics/GraphicsContext.h"
   9 #include "wtf/Allocator.h"
  10
  11 namespace blink {
  12
  13 class ClipScope {
  14     ALLOW_ONLY_INLINE_ALLOCATION();
  15     WTF_MAKE_NONCOPYABLE(ClipScope);
  16 public:
  17     ClipScope(GraphicsContext* context)
  18         : m_context(context)
  19         , m_clipCount(0) { }
  20     ~ClipScope();
  21
  22     void clip(const LayoutRect& clipRect, SkRegion::Op operation);
  23
  24 private:
  25     GraphicsContext* m_context;
  26     int m_clipCount;
  27 };
  28
  29 } // namespace blink
  30
  31 #endif // ClipScope_h