implemented wxDC::DoGetSize() correctly for metafile DC classes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36566 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/enhmeta.h

@@ -87,6 +87,12 @@ public:
     wxEnhMetaFile *Close();
 
 private:
+    virtual void DoGetSize(int *width, int *height) const;
+
+    // size passed to ctor and returned by DoGetSize()
+    int m_width,
+        m_height;
+
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxEnhMetaFileDC)
 };
 

include/wx/msw/metafile.h

@@ -107,6 +107,8 @@ public:
     void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; }
 
 protected:
+    virtual void DoGetSize(int *width, int *height) const;
+
     int           m_windowsMappingMode;
     wxMetafile*   m_metaFile;