/////////////////////////////////////////////////////////////////////////////
// Name: dcmemory.h
// Purpose: wxMemoryDC class
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 09/09/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DCMEMORY_H_
#define _WX_DCMEMORY_H_
-#ifdef __GNUG__
-#pragma interface "dcmemory.h"
-#endif
-
-#include "wx/dcclient.h"
+#include "wx/dcmemory.h"
+#include "wx/os2/dc.h"
-class WXDLLEXPORT wxMemoryDC: public wxPaintDC
+class WXDLLEXPORT wxMemoryDCImpl: public wxPMDCImpl
{
- DECLARE_DYNAMIC_CLASS(wxMemoryDC)
-
- public:
- wxMemoryDC(void);
- wxMemoryDC( wxDC *dc ); // Create compatible DC
-
- ~wxMemoryDC(void);
- virtual void SelectObject( const wxBitmap& bitmap );
- void GetSize( int *width, int *height ) const;
-
- private:
- friend wxPaintDC;
- wxBitmap m_selected;
-};
+public:
+ wxMemoryDCImpl( wxMemoryDC *owner );
+ wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap );
+ wxMemoryDCImpl( wxMemoryDC *owner, wxDC* pDC); // Create compatible DC
+
+ // override some base class virtuals
+ virtual void DoGetSize(int* pWidth, int* pHeight) const;
+ virtual void DoSelect(const wxBitmap& bitmap);
+
+ virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const
+ { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmap(*subrect);}
+
+protected:
+ // create DC compatible with the given one or screen if dc == NULL
+ bool CreateCompatible(wxDC* pDC);
+
+ // initialize the newly created DC
+ void Init(void);
+private:
+ DECLARE_CLASS(wxMemoryDCImpl)
+ DECLARE_NO_COPY_CLASS(wxMemoryDCImpl)
+}; // end of CLASS wxMemoryDCImpl
#endif
// _WX_DCMEMORY_H_