ui/gfx/scoped_cg_context_save_gstate_mac.h

   1 // Copyright (c) 2011 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 UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_
   6 #define UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_
   7
   8 #import <QuartzCore/QuartzCore.h>
   9
  10 namespace gfx {
  11
  12 class ScopedCGContextSaveGState {
  13  public:
  14   explicit ScopedCGContextSaveGState(CGContextRef context) : context_(context) {
  15     CGContextSaveGState(context_);
  16   }
  17
  18   ~ScopedCGContextSaveGState() {
  19     CGContextRestoreGState(context_);
  20   }
  21
  22  private:
  23   CGContextRef context_;
  24
  25   DISALLOW_COPY_AND_ASSIGN(ScopedCGContextSaveGState);
  26 };
  27
  28 }  // namespace gfx
  29
  30 #endif  // UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_