--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: src/osx/core/dcmemory.cpp
+// Purpose: wxMemoryDC class
+// Author: Stefan Csomor
+// Modified by:
+// Created: 01/02/97
+// RCS-ID: $Id$
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#include "wx/wxprec.h"
+
+#include "wx/dcmemory.h"
+#include "wx/graphics.h"
+#include "wx/osx/dcmemory.h"
+
+#include "wx/osx/private.h"
+
+//-----------------------------------------------------------------------------
+// wxMemoryDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl,wxPaintDCImpl)
+
+
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner )
+ : wxPaintDCImpl( owner )
+{
+ Init();
+}
+
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap )
+ : wxPaintDCImpl( owner )
+{
+ Init();
+ DoSelect(bitmap);
+}
+
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxDC * WXUNUSED(dc) )
+ : wxPaintDCImpl( owner )
+{
+ Init();
+}
+
+void wxMemoryDCImpl::Init()
+{
+ m_ok = true;
+ SetBackground(*wxWHITE_BRUSH);
+ SetBrush(*wxWHITE_BRUSH);
+ SetPen(*wxBLACK_PEN);
+ SetFont(*wxNORMAL_FONT);
+ m_ok = false;
+}
+
+wxMemoryDCImpl::~wxMemoryDCImpl()
+{
+ if ( m_selected.Ok() )
+ {
+ m_selected.EndRawAccess() ;
+ delete m_graphicContext ;
+ m_graphicContext = NULL ;
+ }
+}
+
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
+{
+ if ( m_selected.Ok() )
+ {
+ m_selected.EndRawAccess() ;
+ delete m_graphicContext ;
+ m_graphicContext = NULL ;
+ }
+
+ m_selected = bitmap;
+ if (m_selected.Ok())
+ {
+ if ( m_selected.GetDepth() != 1 )
+ m_selected.UseAlpha() ;
+ m_selected.BeginRawAccess() ;
+ m_width = bitmap.GetWidth();
+ m_height = bitmap.GetHeight();
+ CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
+ CGContextRef bmCtx = (CGContextRef) m_selected.GetHBITMAP();
+
+ if ( bmCtx )
+ {
+ CGContextSetFillColorSpace( bmCtx, genericColorSpace );
+ CGContextSetStrokeColorSpace( bmCtx, genericColorSpace );
+ SetGraphicsContext( wxGraphicsContext::CreateFromNative( bmCtx ) );
+ }
+ m_ok = (m_graphicContext != NULL) ;
+ }
+ else
+ {
+ m_ok = false;
+ }
+}
+
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
+{
+ if (m_selected.Ok())
+ {
+ if (width)
+ (*width) = m_selected.GetWidth();
+ if (height)
+ (*height) = m_selected.GetHeight();
+ }
+ else
+ {
+ if (width)
+ (*width) = 0;
+ if (height)
+ (*height) = 0;
+ }
+}