Converted wxGTK's basic DC classes to new DC code

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48910 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dcmemory.h

@@ -12,8 +12,53 @@
 #ifndef _WX_DCMEMORY_H_BASE_
 #define _WX_DCMEMORY_H_BASE_
 
+#include "wx/dc.h"
 #include "wx/bitmap.h"
 
+
+#if wxUSE_NEW_DC
+
+//-----------------------------------------------------------------------------
+// wxMemoryDC
+//-----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxMemoryImplDCBase
+{
+public:
+    wxMemoryImplDCBase() { }
+
+    virtual void DoSelect(const wxBitmap& bmp) = 0;
+    
+    virtual const wxBitmap& DoGetSelectedBitmap() const = 0;
+    virtual wxBitmap& DoGetSelectedBitmap() = 0;
+};
+
+
+class WXDLLIMPEXP_CORE wxMemoryDC: public wxDC
+{
+public:
+    wxMemoryDC();
+    wxMemoryDC( wxBitmap& bitmap );
+    wxMemoryDC( wxDC *dc );
+    
+    // select the given bitmap to draw on it
+    void SelectObject(wxBitmap& bmp);
+
+    // select the given bitmap for read-only
+    void SelectObjectAsSource(const wxBitmap& bmp);
+    
+    // get selected bitmap
+    const wxBitmap& GetSelectedBitmap() const;
+    wxBitmap& GetSelectedBitmap();
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxMemoryDC)
+};
+    
+
+
+#else
+
 // NOTE: different native implementations of wxMemoryDC will derive from
 //       different wxDC classes (wxPaintDC, wxWindowDC, etc), so that
 //       we cannot derive wxMemoryDCBase from wxDC and then use it as the
@@ -48,6 +93,10 @@ protected:
     virtual void DoSelect(const wxBitmap& bmp) = 0;
 };
 
+
+#endif
+
+
 #if defined(__WXPALMOS__)
 #include "wx/palmos/dcmemory.h"
 #elif defined(__WXMSW__)