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