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