src/mac/carbon/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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/mac/uma.h"
  16
  17 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  18
  19 // Create a DC representing the whole screen
  20 wxScreenDC::wxScreenDC()
  21 {
  22     m_macPort = CreateNewPort() ;
  23     GrafPtr port ;
  24     GetPort( &port ) ;
  25     SetPort( (GrafPtr) m_macPort ) ;
  26     Point pt = { 0,0 } ;
  27     LocalToGlobal( &pt ) ;
  28     SetPort( port ) ;
  29     m_macLocalOrigin.x = -pt.h ;
  30     m_macLocalOrigin.y = -pt.v ;
  31 #if wxMAC_USE_CORE_GRAPHICS
  32     m_macLocalOriginInPort = m_macLocalOrigin ;
  33 #endif
  34     BitMap screenBits;
  35     GetQDGlobalsScreenBits( &screenBits );
  36     m_minX = screenBits.bounds.left ;
  37
  38     SInt16 height ;
  39     GetThemeMenuBarHeight( &height ) ;
  40     m_minY = screenBits.bounds.top + height ;
  41
  42     m_maxX = screenBits.bounds.right  ;
  43     m_maxY = screenBits.bounds.bottom ;
  44
  45 #if wxMAC_USE_CORE_GRAPHICS
  46     m_graphicContext = new wxMacCGContext( port ) ;
  47 #else
  48     MacSetRectRgn( (RgnHandle) m_macBoundaryClipRgn , m_minX , m_minY , m_maxX , m_maxY ) ;
  49     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
  50     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
  51 #endif
  52     m_ok = TRUE ;
  53 }
  54
  55 wxScreenDC::~wxScreenDC()
  56 {
  57 #if wxMAC_USE_CORE_GRAPHICS
  58     delete m_graphicContext ;
  59     m_graphicContext = NULL ;
  60 #endif
  61
  62     if ( m_macPort )
  63         DisposePort( (CGrafPtr) m_macPort ) ;
  64 }
  65