/*************************************************************************
** JFM.hpp                                                              **
**                                                                      **
** This file is part of dvisvgm -- a fast DVI to SVG converter          **
** Copyright (C) 2005-2023 Martin Gieseking <martin.gieseking@uos.de>   **
**                                                                      **
** 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 3 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 <http://www.gnu.org/licenses/>. **
*************************************************************************/

#ifndef JFM_HPP
#define JFM_HPP

#include <istream>
#include "TFM.hpp"


class JFM : public TFM {
	public:
		JFM () =default;
		void read (std::istream &is) override;
		bool verticalLayout () const  override {return _vertical;}
		bool isJFM () const override {return true;}
		uint32_t minChar () const {return _minchar;}
		uint32_t maxChar () const {return static_cast<uint32_t>(_minchar+_charTypeTable.size()-1);}

	protected:
		void readTables (StreamReader &reader, int nt, int nw, int nh, int nd, int ni);
		size_t charIndex (int c) const override;

	private:
		uint32_t _minchar=0;   ///< character code of first entry in character type table
		bool _vertical=false;  ///< true if metrics refer to vertical text layout
		std::vector<uint8_t> _charTypeTable;
};

#endif
