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                         m_ok = TRUE ;
  72                         // SetBackground(wxBrush(*wxWHITE, wxSOLID));
  73                 }
  74                 else
  75                 {
  76             m_ok = FALSE;
  77                 }
  78   }
  79   else
  80   {
  81     m_ok = FALSE;
  82   };
  83 };
  84
  85 void wxMemoryDC::DoGetSize( int *width, int *height ) const
  86 {
  87   if (m_selected.Ok())
  88   {
  89     if (width) (*width) = m_selected.GetWidth();
  90     if (height) (*height) = m_selected.GetHeight();
  91   }
  92   else
  93   {
  94     if (width) (*width) = 0;
  95     if (height) (*height) = 0;
  96   };
  97 };
  98
  99