add virtual DoGetTextExtent() to allow calling the overloaded wxWindowBase::GetTextEx...
[wxWidgets.git] / 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 // 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 #include "wx/os2/dcscreen.h"
16
17 #ifndef WX_PRECOMP
18 #include "wx/string.h"
19 #include "wx/window.h"
20 #endif
21
22 #include "wx/os2/private.h"
23
24 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxPMDCImpl)
25
26 // Create a DC representing the whole screen
27 wxScreenDCImpl::wxScreenDCImpl( wxScreenDC *owner ) :
28 wxPMDCImpl( owner )
29 {
30 m_hDC = ::WinOpenWindowDC(HWND_DESKTOP);
31 m_hPS = ::WinGetScreenPS(HWND_DESKTOP);
32 ::GpiSetBackMix(m_hPS, BM_LEAVEALONE);
33 } // end of wxScreenDC::wxScreenDC()
34
35 void wxScreenDCImpl::DoGetSize( int* pnWidth,
36 int* pnHeight ) const
37 {
38 //
39 // Skip wxWindowDC version because it doesn't work without a valid m_canvas
40 // (which we don't have)
41 //
42 wxPMDCImpl::DoGetSize( pnWidth, pnHeight );
43
44 } // end of wxScreenDC::DoGetSize