src/mac/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
  16 #include "wx/mac/uma.h"
  17 #include "wx/graphics.h"
  18
  19 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  20
  21 // Create a DC representing the whole screen
  22 wxScreenDC::wxScreenDC()
  23 {
  24 #if wxMAC_USE_CORE_GRAPHICS
  25     CGRect cgbounds ;
  26     cgbounds = CGDisplayBounds(CGMainDisplayID());
  27     Rect bounds;
  28     bounds.top = (short)cgbounds.origin.y;
  29     bounds.left = (short)cgbounds.origin.x;
  30     bounds.bottom = bounds.top + (short)cgbounds.size.height;
  31     bounds.right = bounds.left  + (short)cgbounds.size.width;
  32     WindowAttributes overlayAttributes  = kWindowIgnoreClicksAttribute;
  33     CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, (WindowRef*) &m_overlayWindow );
  34     ShowWindow((WindowRef)m_overlayWindow);
  35     SetGraphicsContext( wxGraphicsContext::CreateFromNativeWindow( m_overlayWindow ) );
  36     m_width = (wxCoord)cgbounds.size.width;
  37     m_height = (wxCoord)cgbounds.size.height;
  38 #else
  39     m_macPort = CreateNewPort() ;
  40     GrafPtr port ;
  41     GetPort( &port ) ;
  42     SetPort( (GrafPtr) m_macPort ) ;
  43     Point pt = { 0,0 } ;
  44     LocalToGlobal( &pt ) ;
  45     SetPort( port ) ;
  46     m_deviceLocalOriginX = -pt.h ;
  47     m_deviceLocalOriginY = -pt.v ;
  48
  49     BitMap screenBits;
  50     GetQDGlobalsScreenBits( &screenBits );
  51     m_minX = screenBits.bounds.left ;
  52
  53     SInt16 height ;
  54     GetThemeMenuBarHeight( &height ) ;
  55     m_minY = screenBits.bounds.top + height ;
  56
  57     m_maxX = screenBits.bounds.right  ;
  58     m_maxY = screenBits.bounds.bottom ;
  59
  60     MacSetRectRgn( (RgnHandle) m_macBoundaryClipRgn , m_minX , m_minY , m_maxX , m_maxY ) ;
  61     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_deviceLocalOriginX , m_deviceLocalOriginY ) ;
  62     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
  63 #endif
  64     m_ok = true ;
  65 }
  66
  67 wxScreenDC::~wxScreenDC()
  68 {
  69 #if wxMAC_USE_CORE_GRAPHICS
  70     delete m_graphicContext;
  71     m_graphicContext = NULL;
  72     DisposeWindow((WindowRef) m_overlayWindow );
  73 #else
  74     if ( m_macPort )
  75         DisposePort( (CGrafPtr) m_macPort ) ;
  76 #endif
  77 }