- wxMemoryDC();
- wxMemoryDC( wxDC *dc ); // Create compatible DC
- ~wxMemoryDC();
- virtual void SelectObject( const wxBitmap& bitmap );
- void DoGetSize( int *width, int *height ) const;
-
- // implementation
-
- wxBitmap m_selected;
+ wxMemoryDCImpl( wxMemoryDC *owner );
+ wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap );
+ wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc );
+
+ virtual ~wxMemoryDCImpl();
+
+ // these get reimplemented for mono-bitmaps to behave
+ // more like their Win32 couterparts. They now interpret
+ // wxWHITE, wxWHITE_BRUSH and wxWHITE_PEN as drawing 0
+ // and everything else as drawing 1.
+ virtual void SetPen( const wxPen &pen );
+ virtual void SetBrush( const wxBrush &brush );
+ virtual void SetBackground( const wxBrush &brush );
+ virtual void SetTextForeground( const wxColour &col );
+ virtual void SetTextBackground( const wxColour &col );
+
+ // overridden from wxDCImpl
+ virtual void DoGetSize( int *width, int *height ) const;
+ virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const;
+
+ // overridden for wxMemoryDC Impl
+ virtual void DoSelect(const wxBitmap& bitmap);
+
+ virtual const wxBitmap& GetSelectedBitmap() const;
+ virtual wxBitmap& GetSelectedBitmap();
+
+private:
+ wxBitmap m_selected;
+
+ void Init();
+
+ DECLARE_ABSTRACT_CLASS(wxMemoryDCImpl)