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     virtual ~wxClientDC();
  66
  67 protected:
  68     void InitDC();
  69
  70 private:
  71     DECLARE_DYNAMIC_CLASS(wxClientDC)
  72 };
  73
  74 class WXDLLEXPORT wxPaintDC : public wxClientDC
  75 {
  76 public:
  77     wxPaintDC();
  78
  79     // Create a DC corresponding for painting the window in OnPaint()
  80     wxPaintDC(wxWindow *win);
  81
  82     virtual ~wxPaintDC();
  83
  84     // find the entry for this DC in the cache (keyed by the window)
  85     static WXHDC FindDCInCache(wxWindow* win);
  86
  87 protected:
  88     static wxArrayDCInfo ms_cache;
  89
  90     // find the entry for this DC in the cache (keyed by the window)
  91     wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
  92
  93 private:
  94     DECLARE_DYNAMIC_CLASS(wxPaintDC)
  95 };
  96
  97 #endif
  98     // _WX_DCCLIENT_H_