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  1. /**************************************************************************
  2. *
  3. * Copyright (c) 2000 Microsoft Corporation
  4. *
  5. * Module Name:
  6. *
  7. * CachedBitmap class definition
  8. *
  9. * Abstract:
  10. *
  11. * CachedBitmap is a representation of an accelerated drawing
  12. * that has restrictions on what operations are allowed in order
  13. * to accelerate the drawing to the destination.
  14. *
  15. **************************************************************************/
  16. #ifndef _GDIPLUSCACHEDBITMAP_H
  17. #define _GDIPLUSCACHEDBITMAP_H
  18. /**************************************************************************
  19. *
  20. * Class Name:
  21. *
  22. * CachedBitmap
  23. *
  24. * Abstract:
  25. *
  26. * An object to store a bitmap prepared for rendering on a particular
  27. * Graphics object. The memory storage for the CachedBitmap is opaque
  28. * to the other Engine code, so the only operations supported are
  29. * initializing the data (with a bitmap) and using the graphics to
  30. * draw it on the screen with an integer offset.
  31. *
  32. * Look for the class definition in GdiplusHeaders.h
  33. *
  34. * Created:
  35. *
  36. * 04/23/2000 asecchia
  37. * Created it.
  38. *
  39. **************************************************************************/
  40. inline
  41. CachedBitmap::CachedBitmap(
  42. IN Bitmap *bitmap,
  43. IN Graphics *graphics)
  44. {
  45. nativeCachedBitmap = NULL;
  46. lastResult = DllExports::GdipCreateCachedBitmap(
  47. (GpBitmap *)bitmap->nativeImage,
  48. graphics->nativeGraphics,
  49. &nativeCachedBitmap
  50. );
  51. }
  52. inline
  53. CachedBitmap::~CachedBitmap()
  54. {
  55. DllExports::GdipDeleteCachedBitmap(nativeCachedBitmap);
  56. }
  57. inline Status
  58. CachedBitmap::GetLastStatus() const
  59. {
  60. Status lastStatus = lastResult;
  61. lastResult = Ok;
  62. return (lastStatus);
  63. }
  64. #endif