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 WX_DECLARE_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
  33
  34 // ----------------------------------------------------------------------------
  35 // DC classes
  36 // ----------------------------------------------------------------------------
  37
  38 class WXDLLEXPORT wxWindowDC : public wxDC
  39 {
  40     DECLARE_DYNAMIC_CLASS(wxWindowDC)
  41
  42 public:
  43     wxWindowDC();
  44
  45     // Create a DC corresponding to the whole window
  46     wxWindowDC(wxWindow *win);
  47
  48     virtual ~wxWindowDC();
  49 };
  50
  51 class WXDLLEXPORT wxClientDC : public wxWindowDC
  52 {
  53     DECLARE_DYNAMIC_CLASS(wxClientDC)
  54
  55 public:
  56     wxClientDC();
  57
  58     // Create a DC corresponding to the client area of the window
  59     wxClientDC(wxWindow *win);
  60
  61     virtual ~wxClientDC();
  62 };
  63
  64 class WXDLLEXPORT wxPaintDC : public wxWindowDC
  65 {
  66     DECLARE_DYNAMIC_CLASS(wxPaintDC)
  67
  68 public:
  69     wxPaintDC();
  70
  71     // Create a DC corresponding for painting the window in OnPaint()
  72     wxPaintDC(wxWindow *win);
  73
  74     virtual ~wxPaintDC();
  75
  76 protected:
  77     static wxArrayDCInfo ms_cache;
  78
  79     // find the entry for this DC in the cache (keyed by the window)
  80     wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
  81 };
  82
  83 #endif
  84     // _WX_DCCLIENT_H_