void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
wxCoord *descent = (wxCoord *) NULL,
wxCoord *externalLeading = (wxCoord *) NULL,
void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
wxCoord *descent = (wxCoord *) NULL,
wxCoord *externalLeading = (wxCoord *) NULL,