extern void wxGetTextExtent(WXDisplay* display, const wxFont& font,
double scale,
const wxString& string, int* width, int* height,
int* ascent, int* descent);
extern void wxGetTextExtent(WXDisplay* display, const wxFont& font,
double scale,
const wxString& string, int* width, int* height,
int* ascent, int* descent);