pcsx2/3rdparty/wxwidgets3.0/include/wx/private/window.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/private/window.h
// Purpose: misc wxWindow helpers
// Author: Vaclav Slavik
// Created: 2010-01-21
// Copyright: (c) 2010 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PRIVATE_WINDOW_H_
#define _WX_PRIVATE_WINDOW_H_
#include "wx/gdicmn.h"
namespace wxPrivate
{
// Windows' computes dialog units using average character width over upper-
// and lower-case ASCII alphabet and not using the average character width
// metadata stored in the font; see
// http://support.microsoft.com/default.aspx/kb/145994 for detailed discussion.
//
// This helper function computes font dimensions in the same way. It works with
// either wxDC or wxWindow argument.
template<typename T>
inline wxSize GetAverageASCIILetterSize(const T& of_what)
{
const wxStringCharType *TEXT_TO_MEASURE =
wxS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
wxSize s = of_what.GetTextExtent(TEXT_TO_MEASURE);
s.x = (s.x / 26 + 1) / 2;
return s;
}
} // namespace wxPrivate
#endif // _WX_PRIVATE_WINDOW_H_