/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
You should have received a copy of the GNU General Public License
along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
+
/** @file src/gamma_transfer_function.h
- * @brief GammaTransferFunction class.
+ * @brief GammaTransferFunction class
*/
+
#include "transfer_function.h"
+
namespace dcp {
-/** A description of a gamma function of the f(x) = x^g where
- * g is the gamma.
+
+/** @class GammaTransferFunction
+ * @brief A description of a gamma function of the f(x) = x^g where g is the gamma
*/
class GammaTransferFunction : public TransferFunction
{
public:
- GammaTransferFunction (double gamma);
+ explicit GammaTransferFunction (double gamma);
double gamma () const {
return _gamma;
}
- bool about_equal (boost::shared_ptr<const TransferFunction> other, double epsilon) const;
+ bool about_equal (std::shared_ptr<const TransferFunction> other, double epsilon) const override;
protected:
- double * make_lut (int bit_depth, bool inverse) const;
+ double * make_lut (int bit_depth, bool inverse) const override;
private:
double _gamma;
};
+
}