Add wx headers and ext

wxheaders/wx/msw/dcmemory.h

@@ -0,0 +1,47 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/dcmemory.h
+// Purpose:     wxMemoryDC class
+// Author:      Julian Smart
+// Modified by:
+// Created:     01/02/97
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_DCMEMORY_H_
+#define _WX_DCMEMORY_H_
+
+#include "wx/dcmemory.h"
+#include "wx/msw/dc.h"
+
+class WXDLLIMPEXP_CORE wxMemoryDCImpl: public wxMSWDCImpl
+{
+public:
+    wxMemoryDCImpl( wxMemoryDC *owner );
+    wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap );
+    wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc ); // Create compatible DC
+
+    // override some base class virtuals
+    virtual wxSize GetPPI() const wxOVERRIDE;
+    virtual void SetFont(const wxFont& font) wxOVERRIDE;
+
+    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) wxOVERRIDE;
+    virtual void DoGetSize(int* width, int* height) const wxOVERRIDE;
+    virtual void DoSelect(const wxBitmap& bitmap) wxOVERRIDE;
+
+    virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const wxOVERRIDE
+    { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmapOfHDC(*subrect, GetHDC() );}
+
+protected:
+    // create DC compatible with the given one or screen if dc == NULL
+    bool CreateCompatible(wxDC *dc);
+
+    // initialize the newly created DC
+    void Init();
+
+    wxDECLARE_CLASS(wxMemoryDCImpl);
+    wxDECLARE_NO_COPY_CLASS(wxMemoryDCImpl);
+};
+
+#endif
+    // _WX_DCMEMORY_H_