// Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/

#include <optional>

#include <libaegisub/ycbcr.h>

class AssFile;

enum class ResampleARMode {
	Stretch,
	AddBorder,
	RemoveBorder,
	Manual
};

/// Configuration parameters for a resample
struct ResampleSettings {
	int margin[4] = {};  ///< Amount to add to each margin
	int source_x = 0;    ///< Original X resolution
	int source_y = 0;    ///< Original Y resolution
	int dest_x = 0;      ///< New X resolution
	int dest_y = 0;      ///< New Y resolution
	ResampleARMode ar_mode = ResampleARMode::Stretch;   ///< What to do if the old AR and new AR don't match
	std::optional<std::pair<agi::ycbcr::header_colorspace, agi::ycbcr::header_colorspace>> matrix_conversion;
};

/// Resample the subtitles in the project
/// @param file Subtitles to resample
/// @param settings Resample configuration settings
void ResampleResolution(AssFile *file, ResampleSettings settings);
