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C/C++ Source or Header  |  2002-03-05  |  3KB  |  106 lines
  1. /////////////////////////////////////////////////////////////////////////////
  2. // Name:        dcclient.h
  3. // Purpose:     wxClientDC class
  4. // Author:      David Webster
  5. // Modified by:
  6. // Created:     09/12/99
  7. // RCS-ID:      $Id: DCCLIENT.H,v 1.10 2002/03/01 19:50:08 DW Exp $
  8. // Copyright:   (c) David Webster
  9. // Licence:     wxWindows license
  10. /////////////////////////////////////////////////////////////////////////////
  11.  
  12. #ifndef _WX_DCCLIENT_H_
  13. #define _WX_DCCLIENT_H_
  14.  
  15. // ----------------------------------------------------------------------------
  16. // headers
  17. // ----------------------------------------------------------------------------
  18.  
  19. #include "wx/dc.h"
  20. #include "wx/dynarray.h"
  21.  
  22. // ----------------------------------------------------------------------------
  23. // array types
  24. // ----------------------------------------------------------------------------
  25.  
  26. // this one if used by wxPaintDC only
  27. struct WXDLLEXPORT wxPaintDCInfo;
  28.  
  29. WX_DECLARE_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
  30.  
  31. // ----------------------------------------------------------------------------
  32. // DC classes
  33. // ----------------------------------------------------------------------------
  34.  
  35. class WXDLLEXPORT wxWindowDC : public wxDC
  36. {
  37. public:
  38.     wxWindowDC();
  39.  
  40.     //
  41.     // Create a DC corresponding to the whole window
  42.     //
  43.     wxWindowDC(wxWindow* pWin);
  44.  
  45. protected:
  46.     void InitDC(void);
  47.  
  48.     //
  49.     // Override some base class virtuals
  50.     //
  51.     virtual void DoGetSize( int* pWidth
  52.                            ,int* pHeight
  53.                           ) const;
  54.  
  55. private:
  56.     SIZEL                   m_PageSize;
  57.     DECLARE_DYNAMIC_CLASS(wxWindowDC)
  58. }; // end of CLASS wxWindowDC
  59.  
  60. class WXDLLEXPORT wxClientDC : public wxWindowDC
  61. {
  62. public:
  63.     wxClientDC();
  64.     virtual ~wxClientDC();
  65.  
  66.     wxClientDC(wxWindow *win);
  67.  
  68. protected:
  69.     void InitDC(void);
  70.  
  71.     //
  72.     // Override some base class virtuals
  73.     //
  74.     virtual void DoGetSize( int* pWidth
  75.                            ,int* pHeight
  76.                           ) const;
  77.  
  78. private:
  79.     DECLARE_DYNAMIC_CLASS(wxClientDC)
  80. }; // end of CLASS wxClientDC
  81.  
  82. class WXDLLEXPORT wxPaintDC : public wxClientDC
  83. {
  84. public:
  85.     wxPaintDC();
  86.  
  87.     // Create a DC corresponding for painting the window in OnPaint()
  88.     wxPaintDC(wxWindow* pWin);
  89.  
  90.     virtual ~wxPaintDC();
  91.  
  92.     // find the entry for this DC in the cache (keyed by the window)
  93.     static WXHDC FindDCInCache(wxWindow* pWin);
  94.  
  95. protected:
  96.     static wxArrayDCInfo ms_cache;
  97.  
  98.     // find the entry for this DC in the cache (keyed by the window)
  99.     wxPaintDCInfo* FindInCache(size_t* pIndex = NULL) const;
  100. private:
  101.     DECLARE_DYNAMIC_CLASS(wxPaintDC)
  102. }; // end of wxPaintDC
  103.  
  104. #endif
  105.     // _WX_DCCLIENT_H_
  106.