Implement deep copy of wxBitmapRefData

[wxWidgets.git] / include / wx / msw / dcmemory.h

diff --git a/include/wx/msw/dcmemory.h b/include/wx/msw/dcmemory.h
index 85d83bd981d166dad853a31743fea3fd5e5a32e1..20f2005856939a734573a929f9079141eac79625 100644 (file)
--- a/include/wx/msw/dcmemory.h
+++ b/include/wx/msw/dcmemory.h
@@ -1,38 +1,41 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcmemory.h
+// Name:        wx/msw/dcmemory.h
 // Purpose:     wxMemoryDC class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_DCMEMORY_H_
 #define _WX_DCMEMORY_H_
 
-#ifdef __GNUG__
-#pragma interface "dcmemory.h"
-#endif
-
 #include "wx/dcclient.h"
 
-class WXDLLEXPORT wxMemoryDC : public wxDC
+class WXDLLEXPORT wxMemoryDC : public wxDC, public wxMemoryDCBase
 {
 public:
-    wxMemoryDC();
+    wxMemoryDC() { CreateCompatible(NULL); Init(); }
+    wxMemoryDC(wxBitmap& bitmap) { CreateCompatible(NULL); Init(); SelectObject(bitmap); }
     wxMemoryDC(wxDC *dc); // Create compatible DC
 
-    ~wxMemoryDC();
 
+protected:
+    // override some base class virtuals
     virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
-    virtual void SelectObject(const wxBitmap& bitmap);
-
     virtual void DoGetSize(int* width, int* height) const;
+    virtual void DoSelect(const wxBitmap& bitmap);
+
+    // create DC compatible with the given one or screen if dc == NULL
+    bool CreateCompatible(wxDC *dc);
+
+    // initialize the newly created DC
+    void Init();
 
 private:
-    DECLARE_DYNAMIC_CLASS(wxMemoryDC)
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxMemoryDC)
 };
 
 #endif