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     // Create a DC corresponding to the whole window
  41     wxWindowDC(wxWindow* pWin);
  42
  43 protected:
  44     void InitDC(void);
  45
  46 private:
  47     SIZEL                   m_PageSize;
  48     DECLARE_DYNAMIC_CLASS(wxWindowDC)
  49 }; // end of CLASS wxWindowDC
  50
  51 class WXDLLEXPORT wxClientDC : public wxWindowDC
  52 {
  53 public:
  54     wxClientDC();
  55     virtual ~wxClientDC();
  56
  57     wxClientDC(wxWindow *win);
  58
  59 protected:
  60     void InitDC(void);
  61
  62 private:
  63     DECLARE_DYNAMIC_CLASS(wxClientDC)
  64 }; // end of CLASS wxClientDC
  65
  66 class WXDLLEXPORT wxPaintDC : public wxClientDC
  67 {
  68 public:
  69     wxPaintDC();
  70
  71     // Create a DC corresponding for painting the window in OnPaint()
  72     wxPaintDC(wxWindow* pWin);
  73
  74     virtual ~wxPaintDC();
  75
  76     // find the entry for this DC in the cache (keyed by the window)
  77     static WXHDC FindDCInCache(wxWindow* pWin);
  78
  79 protected:
  80     static wxArrayDCInfo ms_cache;
  81
  82     // find the entry for this DC in the cache (keyed by the window)
  83     wxPaintDCInfo* FindInCache(size_t* pIndex = NULL) const;
  84 private:
  85     DECLARE_DYNAMIC_CLASS(wxPaintDC)
  86 }; // end of wxPaintDC
  87
  88 #endif
  89     // _WX_DCCLIENT_H_