|  | // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef UI_GFX_SCOPED_NS_GRAPHICS_CONTEXT_SAVE_GSTATE_MAC_H_ | 
|  | #define UI_GFX_SCOPED_NS_GRAPHICS_CONTEXT_SAVE_GSTATE_MAC_H_ | 
|  |  | 
|  | #include "base/basictypes.h" | 
|  | #include "ui/gfx/gfx_export.h" | 
|  |  | 
|  | #if defined(__OBJC__) | 
|  | @class NSGraphicsContext; | 
|  | #else | 
|  | class NSGraphicsContext; | 
|  | #endif | 
|  |  | 
|  | namespace gfx { | 
|  |  | 
|  | // A class to save/restore the state of the current context. | 
|  | class GFX_EXPORT ScopedNSGraphicsContextSaveGState { | 
|  | public: | 
|  | ScopedNSGraphicsContextSaveGState(); | 
|  | ~ScopedNSGraphicsContextSaveGState(); | 
|  |  | 
|  | private: | 
|  | NSGraphicsContext* context_;  // weak | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(ScopedNSGraphicsContextSaveGState); | 
|  | }; | 
|  |  | 
|  | }  // namespace gfx | 
|  |  | 
|  | #endif  // UI_GFX_SCOPED_NS_GRAPHICS_CONTEXT_SAVE_GSTATE_MAC_H_ |