/*
    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>

    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, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef LIBDCP_GAMMA_LUT_H
#define LIBDCP_GAMMA_LUT_H

#include "lut_cache.h"

namespace dcp {

class GammaLUT
{
public:
	GammaLUT (int bit_depth, float gamma, bool linearised);

	~GammaLUT () {
		delete[] _lut;
	}
	
	float const * lut () const {
		return _lut;
	}

	int bit_depth () const {
		return _bit_depth;
	}

	float gamma () const {
		return _gamma;
	}

	bool linearised () const {
		return _linearised;
	}

	static LUTCache<GammaLUT> cache;
	
private:
	float* _lut;
	int _bit_depth;
	float _gamma;
	bool _linearised;
};

}

#endif