/*
    Copyright (C) 2026 Carl Hetherington <cth@carlh.net>

    This file is part of libttf.

    libttf 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.

    libttf 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 libttf.  If not, see <http://www.gnu.org/licenses/>.

*/


#pragma once

#include "table.h"
#include <boost/filesystem.hpp>
#include <fmt/format.h>


namespace ttf {


class NameTable;


class InvalidScalerType : public std::runtime_error
{
public:
	InvalidScalerType(uint32_t scalar_type) : std::runtime_error(fmt::format("Invalid scaler type 0x{0:x}", scalar_type)) {}
};


class Font
{
public:
	/** Read and parse a TTF font from a file */
	Font(boost::filesystem::path const& ttf_file);
	/** Read and parse a TTF font from a block of memory */
	Font(uint8_t const* data, int size);
	Font(Source& source);

	/** Write the font to a file */
	void write(boost::filesystem::path const& ttf_file) const;

	std::shared_ptr<NameTable> name_table();

private:
	void read_source(Source& source);

	uint32_t _scalar_type = 0;
	uint16_t _num_tables = 0;
	/* Tables in the order that their data appears in the file
	 * (not necessarily the same order as the headers)
	 */
	std::vector<std::shared_ptr<Table>> _tables;
};


}