text: /*
   * Copyright (C) 2009 Apple Inc. All rights reserved.
   *           (C) 2009 Brent Fulgham <bfulgham@webkit.org>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1.  Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   * 2.  Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
   *     its contributors may be used to endorse or promote products derived
   *     from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef PixelDumpSupportCairo_h
  #define PixelDumpSupportCairo_h
  
  #include <wtf/PassRefPtr.h>
  #include <wtf/RefCounted.h>
  
  #if PLATFORM(WIN)
  #include <windows.h>
  #include <cairo-win32.h>
  #endif
  
  #if PLATFORM(WIN)
  typedef HBITMAP PlatformBitmapBuffer;
  #else
  typedef void* PlatformBitmapBuffer;
  #endif
  
  class BitmapContext : public RefCounted<BitmapContext> {
  public:
      static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, cairo_t* context)
      {
          return adoptRef(new BitmapContext(buffer, context));
      }
  
      ~BitmapContext()
      {
          if (m_buffer)
  #if PLATFORM(WIN)
              DeleteObject(m_buffer);
  #else
              free(m_buffer);
  #endif
          cairo_destroy(m_context);
      }
  
      cairo_t* cairoContext() const { return m_context; }
  
  private:
  
      BitmapContext(PlatformBitmapBuffer buffer, cairo_t* context)
          : m_buffer(buffer)
      {
         if (m_context)
            cairo_destroy(m_context);
  
         m_context = context;
      }
  
      PlatformBitmapBuffer m_buffer;
      cairo_t* m_context;
  
  };
  
  #endif // PixelDumpSupportCairo_h
  