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/*
Copyright (C) 2018-2021 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp 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.
libdcp 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 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/subtitle_image.h
* @brief SubtitleImage class
*/
#ifndef LIBDCP_SUBTITLE_IMAGE_H
#define LIBDCP_SUBTITLE_IMAGE_H
#include "array_data.h"
#include "types.h"
#include "subtitle.h"
#include "dcp_time.h"
#include <boost/optional.hpp>
#include <string>
namespace dcp {
/** @class SubtitleImage
* @brief A bitmap subtitle with all the associated attributes
*/
class SubtitleImage : public Subtitle
{
public:
SubtitleImage (
ArrayData png_image,
Time in,
Time out,
float h_position,
HAlign h_align,
float v_position,
VAlign v_align,
float z_position,
Time fade_up_time,
Time fade_down_time
);
SubtitleImage (
ArrayData png_image,
std::string id,
Time in,
Time out,
float h_position,
HAlign h_align,
float v_position,
VAlign v_align,
float z_position,
Time fade_up_time,
Time fade_down_time
);
ArrayData png_image () const {
return _png_image;
}
void set_png_image (ArrayData png) {
_png_image = png;
}
void read_png_file (boost::filesystem::path file);
void write_png_file (boost::filesystem::path file) const;
std::string id () const {
return _id;
}
/** @return the most recent disk file used to read or write this asset, if there is one */
boost::optional<boost::filesystem::path> file () const {
return _file;
}
bool equals(std::shared_ptr<const dcp::Subtitle> other_sub, EqualityOptions options, NoteHandler note) const override;
private:
ArrayData _png_image;
std::string _id;
mutable boost::optional<boost::filesystem::path> _file;
};
bool operator== (SubtitleImage const & a, SubtitleImage const & b);
bool operator!= (SubtitleImage const & a, SubtitleImage const & b);
std::ostream& operator<< (std::ostream& s, SubtitleImage const & sub);
}
#endif
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