include/wx/msw/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcclient.h
   3 // Purpose:     wxClientDC class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DCCLIENT_H_
  13 #define _WX_DCCLIENT_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #ifdef __GNUG__
  20     #pragma interface "dcclient.h"
  21 #endif
  22
  23 #include "wx/dc.h"
  24 #include "wx/dynarray.h"
  25
  26 // ----------------------------------------------------------------------------
  27 // array types
  28 // ----------------------------------------------------------------------------
  29
  30 // this one if used by wxPaintDC only
  31 struct WXDLLEXPORT wxPaintDCInfo;
  32
  33 WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
  34
  35 // ----------------------------------------------------------------------------
  36 // DC classes
  37 // ----------------------------------------------------------------------------
  38
  39 class WXDLLEXPORT wxWindowDC : public wxDC
  40 {
  41     DECLARE_DYNAMIC_CLASS(wxWindowDC)
  42
  43 public:
  44     wxWindowDC();
  45
  46     // Create a DC corresponding to the whole window
  47     wxWindowDC(wxWindow *win);
  48
  49     virtual ~wxWindowDC();
  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     // find the entry for this DC in the cache (keyed by the window)
  78     static WXHDC FindDCInCache(wxWindow* win);
  79
  80 protected:
  81     static wxArrayDCInfo ms_cache;
  82
  83     // find the entry for this DC in the cache (keyed by the window)
  84     wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
  85 };
  86
  87 #endif
  88     // _WX_DCCLIENT_H_