moving osx files (rename will follow)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54962 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/core/dcmemory.cpp

@@ -0,0 +1,116 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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;
+    }
+}