src/lib/guess_crop.h


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/*
    Copyright (C) 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/>.

*/


#include "crop.h"
#include "dcpomatic_time.h"
#include <memory>


class Content;
class Film;
class Image;


Crop guess_crop_by_brightness(std::shared_ptr<const Image> image, double threshold);
Crop guess_crop_by_brightness(std::shared_ptr<const Film> film, std::shared_ptr<const Content> content, double threshold, dcpomatic::ContentTime position);
Crop guess_crop_by_alpha(std::shared_ptr<const Image> image);