include/wx/os2/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/os2/dcclient.h
   3 // Purpose:     wxClientDC class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     09/12/99
   7 // Copyright:   (c) David Webster
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_DCCLIENT_H_
  12 #define _WX_DCCLIENT_H_
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17
  18 #include "wx/dc.h"
  19 #include "wx/os2/dc.h"
  20 #include "wx/dcclient.h"
  21 #include "wx/dynarray.h"
  22
  23 // ----------------------------------------------------------------------------
  24 // array types
  25 // ----------------------------------------------------------------------------
  26
  27 // this one if used by wxPaintDC only
  28 struct WXDLLIMPEXP_FWD_CORE wxPaintDCInfo;
  29
  30 WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
  31
  32 // ----------------------------------------------------------------------------
  33 // DC classes
  34 // ----------------------------------------------------------------------------
  35
  36 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxPMDCImpl
  37 {
  38 public:
  39     // default ctor
  40     wxWindowDCImpl( wxDC *owner );
  41
  42     // Create a DC corresponding to the whole window
  43     wxWindowDCImpl( wxDC *owner, wxWindow *pWin );
  44
  45     virtual void DoGetSize(int *pWidth, int *pHeight) const;
  46
  47 protected:
  48     // initialize the newly created DC
  49     void InitDC(void);
  50
  51 private:
  52     SIZEL                   m_PageSize;
  53     DECLARE_CLASS(wxWindowDCImpl)
  54     wxDECLARE_NO_COPY_CLASS(wxWindowDCImpl);
  55 }; // end of CLASS wxWindowDC
  56
  57 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
  58 {
  59 public:
  60     // default ctor
  61     wxClientDCImpl( wxDC *owner );
  62
  63     // Create a DC corresponding to the client area of the window
  64     wxClientDCImpl( wxDC *owner, wxWindow *pWin );
  65
  66     virtual ~wxClientDCImpl();
  67
  68     virtual void DoGetSize(int *pWidth, int *pHeight) const;
  69
  70 protected:
  71     void InitDC(void);
  72
  73 private:
  74     DECLARE_CLASS(wxClientDCImpl)
  75     wxDECLARE_NO_COPY_CLASS(wxClientDCImpl);
  76 }; // end of CLASS wxClientDC
  77
  78 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
  79 {
  80 public:
  81     wxPaintDCImpl( wxDC *owner );
  82
  83     // Create a DC corresponding for painting the window in OnPaint()
  84     wxPaintDCImpl( wxDC *owner, wxWindow *pWin );
  85
  86     virtual ~wxPaintDCImpl();
  87
  88     // find the entry for this DC in the cache (keyed by the window)
  89     static WXHDC FindDCInCache(wxWindow* pWin);
  90
  91 protected:
  92     static wxArrayDCInfo ms_cache;
  93
  94     // find the entry for this DC in the cache (keyed by the window)
  95     wxPaintDCInfo* FindInCache(size_t* pIndex = NULL) const;
  96 private:
  97     DECLARE_CLASS(wxPaintDCImpl)
  98     wxDECLARE_NO_COPY_CLASS(wxPaintDCImpl);
  99 }; // end of wxPaintDC
 100
 101 #endif
 102     // _WX_DCCLIENT_H_