PixelDumpSupportCairo.h 2.8 KB

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  1. /*
  2. * Copyright (C) 2009 Apple Inc. All rights reserved.
  3. * (C) 2009 Brent Fulgham <bfulgham@webkit.org>
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. *
  9. * 1. Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. * 2. Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  15. * its contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  19. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21. * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  22. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. */
  29. #ifndef PixelDumpSupportCairo_h
  30. #define PixelDumpSupportCairo_h
  31. #include <wtf/PassRefPtr.h>
  32. #include <wtf/RefCounted.h>
  33. #if PLATFORM(WIN)
  34. #include <windows.h>
  35. #include <cairo-win32.h>
  36. #elif PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(MANX)
  37. #include <cairo.h>
  38. #endif
  39. #if PLATFORM(WIN)
  40. typedef HBITMAP PlatformBitmapBuffer;
  41. #else
  42. typedef void* PlatformBitmapBuffer;
  43. #endif
  44. class BitmapContext : public RefCounted<BitmapContext> {
  45. public:
  46. static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, cairo_t* context)
  47. {
  48. return adoptRef(new BitmapContext(buffer, context));
  49. }
  50. ~BitmapContext()
  51. {
  52. if (m_buffer)
  53. #if PLATFORM(WIN)
  54. DeleteObject(m_buffer);
  55. #else
  56. free(m_buffer);
  57. #endif
  58. cairo_destroy(m_context);
  59. }
  60. cairo_t* cairoContext() const { return m_context; }
  61. private:
  62. BitmapContext(PlatformBitmapBuffer buffer, cairo_t* context)
  63. : m_buffer(buffer)
  64. , m_context(context)
  65. {
  66. }
  67. PlatformBitmapBuffer m_buffer;
  68. cairo_t* m_context;
  69. };
  70. #endif // PixelDumpSupportCairo_h