src/mac/carbon/dcmemory.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcmemory.cpp
   3 // Purpose:     wxMemoryDC class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dcmemory.h"
  14 #endif
  15
  16 #include "wx/dcmemory.h"
  17
  18 //-----------------------------------------------------------------------------
  19 // wxMemoryDC
  20 //-----------------------------------------------------------------------------
  21
  22 IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
  23
  24 wxMemoryDC::wxMemoryDC(void)
  25 {
  26   m_ok = TRUE;
  27     SetBackground(*wxWHITE_BRUSH);
  28     SetBrush(*wxWHITE_BRUSH);
  29     SetPen(*wxBLACK_PEN);
  30   m_ok = FALSE;
  31 };
  32
  33 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
  34 {
  35  m_ok = TRUE;
  36     SetBackground(*wxWHITE_BRUSH);
  37     SetBrush(*wxWHITE_BRUSH);
  38     SetPen(*wxBLACK_PEN);
  39   m_ok = FALSE;
  40 };
  41
  42 wxMemoryDC::~wxMemoryDC(void)
  43 {
  44         if ( m_selected.Ok() )
  45         {
  46                 wxBitmapRefData * bmap = (wxBitmapRefData*) (m_selected.GetRefData()) ;
  47                 UnlockPixels( GetGWorldPixMap(  (CGrafPtr) bmap->m_hBitmap ) ) ;
  48         }
  49 };
  50
  51 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
  52 {
  53         if ( m_selected.Ok() )
  54         {
  55                 wxBitmapRefData * bmap = (wxBitmapRefData*) (m_selected.GetRefData()) ;
  56                 UnlockPixels( GetGWorldPixMap(  (CGrafPtr) bmap->m_hBitmap ) ) ;
  57         }
  58   m_selected = bitmap;
  59   if (m_selected.Ok())
  60   {
  61                 wxBitmapRefData * bmap = (wxBitmapRefData*) (m_selected.GetRefData()) ;
  62                 if ( bmap->m_hBitmap )
  63                 {
  64                         m_macPort = (GrafPtr) bmap->m_hBitmap ;
  65                         LockPixels( GetGWorldPixMap(  (CGrafPtr)  m_macPort ) ) ;
  66                         wxMask * mask = bitmap.GetMask() ;
  67                         if ( mask )
  68                         {
  69                                 m_macMask = mask->GetMaskBitmap() ;
  70                         }
  71                         MacSetupPort() ;
  72                         m_ok = TRUE ;
  73                         // SetBackground(wxBrush(*wxWHITE, wxSOLID));
  74                 }
  75                 else
  76                 {
  77             m_ok = FALSE;
  78                 }
  79   }
  80   else
  81   {
  82     m_ok = FALSE;
  83   };
  84 };
  85
  86 void wxMemoryDC::DoGetSize( int *width, int *height ) const
  87 {
  88   if (m_selected.Ok())
  89   {
  90     if (width) (*width) = m_selected.GetWidth();
  91     if (height) (*height) = m_selected.GetHeight();
  92   }
  93   else
  94   {
  95     if (width) (*width) = 0;
  96     if (height) (*height) = 0;
  97   };
  98 };
  99
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