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/*
Copyright (C) 2013-2018 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_VIDEO_CONTENT_SCALE_H
#define DCPOMATIC_VIDEO_CONTENT_SCALE_H
#include <dcp/util.h>
#include <boost/shared_ptr.hpp>
#include <vector>
namespace cxml {
class Node;
}
namespace xmlpp {
class Node;
}
class Ratio;
class VideoContent;
class VideoContentScale
{
public:
VideoContentScale ();
explicit VideoContentScale (Ratio const *);
explicit VideoContentScale (bool);
explicit VideoContentScale (boost::shared_ptr<cxml::Node>);
dcp::Size size (boost::shared_ptr<const VideoContent>, dcp::Size display_container, dcp::Size film_container) const;
std::string id () const;
std::string name () const;
void as_xml (xmlpp::Node *) const;
Ratio const * ratio () const {
return _ratio;
}
bool scale () const {
return _scale;
}
static void setup_scales ();
static std::vector<VideoContentScale> all () {
return _scales;
}
private:
/** a ratio to stretch the content to, or 0 for no stretch */
Ratio const * _ratio;
/** true if we want to change the size of the content in any way */
bool _scale;
/* If _ratio is 0 and _scale is false there is no scale at all (i.e.
the content is used at its original size)
*/
static std::vector<VideoContentScale> _scales;
};
bool operator== (VideoContentScale const & a, VideoContentScale const & b);
bool operator!= (VideoContentScale const & a, VideoContentScale const & b);
#endif
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