font_metrics.h

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/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 2021 Ola Rinta-Koski
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef FONT_METRICS_H_
#define FONT_METRICS_H_
 
#include <gal/gal.h>
 
namespace KIFONT
{
 
class GAL_API METRICS
{
public:
    double GetOverbarVerticalPosition( double aGlyphHeight ) const
    {
        return aGlyphHeight * m_OverbarHeight;
    }

    double GetUnderlineVerticalPosition( double aGlyphHeight ) const
    {
        return aGlyphHeight * m_UnderlineOffset;
    }
 
    double GetInterline( double aFontHeight ) const
    {
        return aFontHeight * m_InterlinePitch;
    }
 
    static const METRICS& Default();
 
public:
    double m_InterlinePitch  =  1.68;
    double m_OverbarHeight   =  1.23;
    double m_UnderlineOffset = -0.16;
};
 
} // namespace KIFONT
 
#endif // FONT_METRICS_H_