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     DECLARE_DYNAMIC_CLASS(wxWindowDC)
  38
  39 public:
  40     wxWindowDC();
  41
  42     // Create a DC corresponding to the whole window
  43     wxWindowDC(wxWindow *win);
  44
  45     virtual ~wxWindowDC();
  46
  47 private:
  48     HAB                     m_hab;
  49     SIZEL                   m_PageSize;
  50 };
  51
  52 class WXDLLEXPORT wxClientDC : public wxWindowDC
  53 {
  54     DECLARE_DYNAMIC_CLASS(wxClientDC)
  55
  56 public:
  57     wxClientDC();
  58
  59     // Create a DC corresponding to the client area of the window
  60     wxClientDC(wxWindow *win);
  61
  62     virtual ~wxClientDC();
  63 };
  64
  65 class WXDLLEXPORT wxPaintDC : public wxWindowDC
  66 {
  67     DECLARE_DYNAMIC_CLASS(wxPaintDC)
  68
  69 public:
  70     wxPaintDC();
  71
  72     // Create a DC corresponding for painting the window in OnPaint()
  73     wxPaintDC(wxWindow *win);
  74
  75     virtual ~wxPaintDC();
  76
  77 protected:
  78     static wxArrayDCInfo ms_cache;
  79
  80     // find the entry for this DC in the cache (keyed by the window)
  81     wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
  82 };
  83
  84 #endif
  85     // _WX_DCCLIENT_H_