src/os2/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcscreen.cpp
   3 // Purpose:     wxScreenDC class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/14/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #define INCL_DEV
  16 #define INCL_GPI
  17 #define INCL_PM
  18 #include<os2.h>
  19
  20 #ifndef WX_PRECOMP
  21    #include "wx/string.h"
  22    #include "wx/window.h"
  23 #endif
  24
  25 #include "wx/os2/private.h"
  26
  27 #include "wx/dcscreen.h"
  28
  29 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  30
  31 // Create a DC representing the whole screen
  32 wxScreenDC::wxScreenDC()
  33 {
  34     m_hDC = ::WinOpenWindowDC(HWND_DESKTOP);
  35     m_hPS = ::WinGetScreenPS(HWND_DESKTOP);
  36     ::GpiSetBackMix(m_hPS, BM_LEAVEALONE);
  37 } // end of wxScreenDC::wxScreenDC()
  38
  39 void wxScreenDC::DoGetSize(
  40   int*                              pnWidth
  41 , int*                              pnHeight
  42 ) const
  43 {
  44     //
  45     // Skip wxWindowDC version because it doesn't work without a valid m_canvas
  46     // (which we don't have)
  47     //
  48     wxDC::DoGetSize( pnWidth
  49                     ,pnHeight
  50                    );
  51 } // end of wxScreenDC::DoGetSize
  52