include/wx/os2/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcclient.h
   3 // Purpose:     wxClientDC class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     09/12/99
   7 // RCS-ID:      $Id$
   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_