src/osx/carbon/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/dcscreen.cpp
   3 // Purpose:     wxScreenDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/dcscreen.h"
  15 #include "wx/osx/dcscreen.h"
  16
  17 #include "wx/osx/private.h"
  18 #include "wx/graphics.h"
  19
  20 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
  21
  22 // TODO : for the Screenshot use case, which doesn't work in Quartz
  23 // we should do a GetAsBitmap using something like
  24 // http://www.cocoabuilder.com/archive/message/cocoa/2005/8/13/144256
  25
  26 // Create a DC representing the whole screen
  27 wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
  28    wxWindowDCImpl( owner )
  29 {
  30 #if wxOSX_USE_COCOA_OR_IPHONE
  31     m_graphicContext = NULL;
  32     m_ok = false ;
  33 #else
  34     CGRect cgbounds ;
  35     cgbounds = CGDisplayBounds(CGMainDisplayID());
  36     Rect bounds;
  37     bounds.top = (short)cgbounds.origin.y;
  38     bounds.left = (short)cgbounds.origin.x;
  39     bounds.bottom = bounds.top + (short)cgbounds.size.height;
  40     bounds.right = bounds.left  + (short)cgbounds.size.width;
  41     WindowAttributes overlayAttributes  = kWindowIgnoreClicksAttribute;
  42     CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, (WindowRef*) &m_overlayWindow );
  43     ShowWindow((WindowRef)m_overlayWindow);
  44     SetGraphicsContext( wxGraphicsContext::CreateFromNativeWindow( m_overlayWindow ) );
  45     m_width = (wxCoord)cgbounds.size.width;
  46     m_height = (wxCoord)cgbounds.size.height;
  47     m_ok = true ;
  48 #endif
  49 }
  50
  51 wxScreenDCImpl::~wxScreenDCImpl()
  52 {
  53     delete m_graphicContext;
  54     m_graphicContext = NULL;
  55 #if wxOSX_USE_COCOA_OR_IPHONE
  56 #else
  57     DisposeWindow((WindowRef) m_overlayWindow );
  58 #endif
  59 }