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C/C++ Source or Header  |  2000-05-11  |  1.6 KB  |  39 lines
  1. #pragma once
  2.  
  3. //-----------------------------------------------------------------------------------//
  4. //              Windows Graphics Programming: Win32 GDI and DirectDraw               //
  5. //                             ISBN  0-13-086985-6                                   //
  6. //                                                                                   //
  7. //  Written            by  Yuan, Feng                             www.fengyuan.com   //
  8. //  Copyright (c) 2000 by  Hewlett-Packard Company                www.hp.com         //
  9. //  Published          by  Prentice Hall PTR, Prentice-Hall, Inc. www.phptr.com      //
  10. //                                                                                   //
  11. //  FileName   : canvas.h                                                             //
  12. //  Description: Simple drawing child window                                         //
  13. //  Version    : 1.00.000, May 31, 2000                                              //
  14. //-----------------------------------------------------------------------------------//
  15.  
  16. class KStatusWindow;
  17.  
  18. // main drawing window, normally a child window of a frame window
  19.  
  20. class KCanvas : public KWindow
  21. {
  22. public:
  23.     virtual LRESULT WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  24.     virtual void    OnDraw(HDC hDC, const RECT * rcPaint);
  25.     virtual BOOL    OnCommand(WPARAM wParam, LPARAM lParam);
  26.     
  27.     KStatusWindow * m_pStatus;
  28.     HINSTANCE        m_hInst;
  29.  
  30.     KCanvas();
  31.  
  32.     void SetStatus(HINSTANCE hInst, KStatusWindow * pStatus)
  33.     {
  34.         m_hInst   = hInst;
  35.         m_pStatus = pStatus;
  36.     }
  37.  
  38.     virtual ~KCanvas();
  39. };