/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef GRAPHICS_SCALER_ASPECT_H
#define GRAPHICS_SCALER_ASPECT_H

#include "common/scummsys.h"
#include "graphics/scaler.h"

/**
 * TODO: explain
 */
FORCEINLINE int real2Aspect(int y) {
	return y + (y + 1) / 5;
}

/**
 * TODO: explain
 */
FORCEINLINE int aspect2Real(int y) {
	return (y * 5 + 4) / 6;
}

/**
 * TODO: explain
 */
void makeRectStretchable(int &x, int &y, int &w, int &h, bool interpolate);

/**
 * TODO: explain
 */

int stretch200To240(uint8 *buf,
					uint32 pitch,
					int width,
					int height,
					int srcX,
					int srcY,
					int origSrcY,
					bool interpolate,
					const Graphics::PixelFormat &format);

int stretch200To240Nearest(uint8 *buf, uint32 pitch, int width, int height, int srcX, int srcY, int origSrcY, const Graphics::PixelFormat &format);

#endif