src/msw/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/dcscreen.cpp
   3 // Purpose:     wxScreenDC 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 licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dcscreen.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24    #include "wx/string.h"
  25    #include "wx/window.h"
  26 #endif
  27
  28 #include "wx/msw/private.h"
  29
  30 #include "wx/dcscreen.h"
  31
  32 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  33
  34 // Create a DC representing the whole screen
  35 wxScreenDC::wxScreenDC()
  36 {
  37     m_hDC = (WXHDC) ::GetDC((HWND) NULL);
  38
  39     // the background mode is only used for text background and is set in
  40     // DrawText() to OPAQUE as required, otherwise always TRANSPARENT
  41     ::SetBkMode( GetHdc(), TRANSPARENT );
  42 }
  43
  44 void wxScreenDC::DoGetSize(int *width, int *height) const
  45 {
  46     // skip wxWindowDC version because it doesn't work without a valid m_canvas
  47     // (which we don't have)
  48     wxDC::DoGetSize(width, height);
  49 }
  50