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/*
Copyright (C) 2012 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_LUT_H
#define LIBDCP_LUT_H
#include <cmath>
namespace libdcp {
template<typename T>
class LUT
{
public:
LUT(int bit_depth, float gamma)
: _lut(0)
, _bit_depth (bit_depth)
, _gamma (gamma)
{
_lut = new T[int(std::pow(2.0f, _bit_depth))];
}
virtual ~LUT() {
delete[] _lut;
}
T const * lut() const {
return _lut;
}
int bit_depth () const {
return _bit_depth;
}
float gamma () const {
return _gamma;
}
protected:
T* _lut;
int _bit_depth;
float _gamma;
};
}
#endif
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