src/os2/dcscreen.cpp

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