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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "dcscreen.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/dcscreen.h"
  19 #include "wx/mac/uma.h"
  20
  21 #if !USE_SHARED_LIBRARY
  22 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  23 #endif
  24
  25 // Create a DC representing the whole screen
  26 wxScreenDC::wxScreenDC()
  27 {
  28     m_macPort = CreateNewPort() ;
  29     GrafPtr port ;
  30     GetPort( &port ) ;
  31     SetPort( (GrafPtr) m_macPort ) ;
  32     Point pt = { 0,0 } ;
  33     LocalToGlobal( &pt ) ;
  34     SetPort( port ) ;
  35     m_macLocalOrigin.x = -pt.h ;
  36     m_macLocalOrigin.y = -pt.v ;
  37     m_macLocalOriginInPort = m_macLocalOrigin ;
  38
  39     BitMap screenBits;
  40     GetQDGlobalsScreenBits( &screenBits );
  41     m_minX = screenBits.bounds.left ;
  42
  43     SInt16 height ;
  44     GetThemeMenuBarHeight( &height ) ;
  45     m_minY = screenBits.bounds.top + height ;
  46
  47     m_maxX = screenBits.bounds.right  ;
  48     m_maxY = screenBits.bounds.bottom ;
  49
  50 #if wxMAC_USE_CORE_GRAPHICS
  51     m_graphicContext = new wxMacCGContext( port ) ;
  52 #else
  53     MacSetRectRgn( (RgnHandle) m_macBoundaryClipRgn , m_minX , m_minY , m_maxX , m_maxY ) ;
  54     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
  55     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
  56 #endif
  57     m_ok = TRUE ;
  58 }
  59
  60 wxScreenDC::~wxScreenDC()
  61 {
  62 #if wxMAC_USE_CORE_GRAPHICS
  63     delete m_graphicContext ;
  64     m_graphicContext = NULL ;
  65 #endif
  66
  67     if ( m_macPort )
  68         DisposePort( (CGrafPtr) m_macPort ) ;
  69 }
  70