/////////////////////////////////////////////////////////////////////////////
-// 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 and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef __DCMEMORYH__
-#define __DCMEMORYH__
-
-#ifdef __GNUG__
-#pragma interface "dcmemory.h"
-#endif
+#ifndef _WX_DCMEMORY_H_
+#define _WX_DCMEMORY_H_
#include "wx/dcclient.h"
-class WXDLLEXPORT wxMemoryDC: public wxDC
+class WXDLLEXPORT wxMemoryDC : public wxDC, public wxMemoryDCBase
{
- DECLARE_DYNAMIC_CLASS(wxMemoryDC)
+public:
+ wxMemoryDC() { CreateCompatible(NULL); Init(); }
+ wxMemoryDC(wxBitmap& bitmap) { CreateCompatible(NULL); Init(); SelectObject(bitmap); }
+ wxMemoryDC(wxDC *dc); // Create compatible DC
+
+
+protected:
+ // override some base class virtuals
+ virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
+ virtual void DoGetSize(int* width, int* height) const;
+ virtual void DoSelect(const wxBitmap& bitmap);
+
+ virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const
+ { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmapOfHDC(*subrect, GetHDC() );}
+
+ // create DC compatible with the given one or screen if dc == NULL
+ bool CreateCompatible(wxDC *dc);
- public:
- wxMemoryDC(void);
- wxMemoryDC(wxDC *dc); // Create compatible DC
+ // initialize the newly created DC
+ void Init();
- ~wxMemoryDC(void);
- virtual void SelectObject(const wxBitmap& bitmap);
- virtual void GetSize(int* width, int* height) const;
+private:
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxMemoryDC)
};
#endif
- // __DCMEMORYH__
+ // _WX_DCMEMORY_H_