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/*
Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_RATIO_H
#define DCPOMATIC_RATIO_H
#include <dcp/util.h>
#include <boost/utility.hpp>
#include <vector>
/** @class Ratio
* @brief Description of an image ratio.
*/
class Ratio
{
public:
Ratio (float ratio, std::string id, std::string in, boost::optional<std::string> cn, std::string d)
: _ratio (ratio)
, _id (id)
, _image_nickname (in)
, _container_nickname (cn)
, _isdcf_name (d)
{}
std::string id () const {
return _id;
}
std::string image_nickname () const {
return _image_nickname;
}
std::string container_nickname () const;
bool used_for_container () const {
return static_cast<bool>(_container_nickname);
}
std::string isdcf_name () const {
return _isdcf_name;
}
float ratio () const {
return _ratio;
}
static void setup_ratios ();
static Ratio const * from_id (std::string i);
static Ratio const * from_ratio (float r);
static Ratio const * nearest_from_ratio (float r);
static std::vector<Ratio const *> all ();
static std::vector<Ratio const *> containers ();
private:
float _ratio;
/** id for use in metadata */
std::string _id;
/** nickname when used to describe an image ratio (e.g. Flat, Scope) */
std::string _image_nickname;
/** nickname when used to describe a container ratio */
boost::optional<std::string> _container_nickname;
std::string _isdcf_name;
static std::vector<Ratio> _ratios;
};
#endif
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