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
  38     BitMap screenBits;
  39     GetQDGlobalsScreenBits( &screenBits );
  40     m_minX = screenBits.bounds.left ;
  41
  42     SInt16 height ;
  43     GetThemeMenuBarHeight( &height ) ;
  44     m_minY = screenBits.bounds.top + height ;
  45
  46     m_maxX = screenBits.bounds.right  ;
  47     m_maxY = screenBits.bounds.bottom ;
  48
  49 #if wxMAC_USE_CORE_GRAPHICS
  50     m_graphicContext = new wxMacCGContext( port ) ;
  51 #else
  52     MacSetRectRgn( (RgnHandle) m_macBoundaryClipRgn , m_minX , m_minY , m_maxX , m_maxY ) ;
  53     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
  54     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
  55 #endif
  56     m_ok = TRUE ;
  57 }
  58
  59 wxScreenDC::~wxScreenDC()
  60 {
  61 #if wxMAC_USE_CORE_GRAPHICS
  62     delete m_graphicContext ;
  63     m_graphicContext = NULL ;
  64 #endif
  65
  66     if ( m_macPort )
  67         DisposePort( (CGrafPtr) m_macPort ) ;
  68 }
  69