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 public:
  42     // default ctor
  43     wxWindowDC();
  44
  45     // Create a DC corresponding to the whole window
  46     wxWindowDC(wxWindow *win);
  47
  48 protected:
  49     // intiialize the newly created DC
  50     void InitDC();
  51
  52 private:
  53     DECLARE_DYNAMIC_CLASS(wxWindowDC)
  54 };
  55
  56 class WXDLLEXPORT wxClientDC : public wxWindowDC
  57 {
  58 public:
  59     // default ctor
  60     wxClientDC();
  61
  62     // Create a DC corresponding to the client area of the window
  63     wxClientDC(wxWindow *win);
  64
  65 private:
  66     DECLARE_DYNAMIC_CLASS(wxClientDC)
  67 };
  68
  69 class WXDLLEXPORT wxPaintDC : public wxWindowDC
  70 {
  71 public:
  72     wxPaintDC();
  73
  74     // Create a DC corresponding for painting the window in OnPaint()
  75     wxPaintDC(wxWindow *win);
  76
  77     virtual ~wxPaintDC();
  78
  79     // find the entry for this DC in the cache (keyed by the window)
  80     static WXHDC FindDCInCache(wxWindow* win);
  81
  82 protected:
  83     static wxArrayDCInfo ms_cache;
  84
  85     // find the entry for this DC in the cache (keyed by the window)
  86     wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
  87
  88 private:
  89     DECLARE_DYNAMIC_CLASS(wxPaintDC)
  90 };
  91
  92 #endif
  93     // _WX_DCCLIENT_H_