FontMetrics.hpp

Go to the documentation of this file.

/* 
 * FontMetrics.hpp 
 *
 * This file is part of the Chemical Data Processing Toolkit
 *
 * Copyright (C) 2003 Thomas Seidel <thomas.seidel@univie.ac.at>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef CDPL_VIS_FONTMETRICS_HPP
#define CDPL_VIS_FONTMETRICS_HPP
 
#include <string>
 
#include "CDPL/Vis/APIPrefix.hpp"
 
 
namespace CDPL
{
 
    namespace Vis
    {
 
        class Font;
        class Rectangle2D;
 
        class CDPL_VIS_API FontMetrics
        {
 
          public:
            virtual ~FontMetrics() {}
 
            virtual void setFont(const Font& font) = 0;
 
            virtual double getAscent() const = 0;
 
            virtual double getDescent() const = 0;
 
            virtual double getHeight() const = 0;
 
            virtual double getLeading() const = 0;
 
            virtual double getWidth(const std::string& str) const = 0;
 
            virtual double getWidth(char ch) const = 0;
 
            virtual void getBounds(const std::string& str, Rectangle2D& bounds) const = 0;
 
            virtual void getBounds(char ch, Rectangle2D& bounds) const = 0;
        };
    } // namespace Vis
} // namespace CDPL
 
#endif // CDPL_VIS_FONTMETRICS_HPP