/**
 * This file is a part of Qtpfsgui package.
 * ---------------------------------------------------------------------- 
 * Copyright (C) 2006,2007 Giuseppe Rota
 * 
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * ---------------------------------------------------------------------- 
 *
 * @author Giuseppe Rota <grota@users.sourceforge.net>
 */

#include <QList>
#include <QImage>
#include "responses.h"

/**
 * @brief Create HDR image by applying response curve to given images using Debevec model, simple model, using array of weights P, not checking for under/over exposed pixel values.
 *
 * @param list reference to input Qt list containing source exposures, channels RGB
 * @param arrayofexptime array of floats containing equivalent exposure time (computed from time,f-value and ISO)
 * @param xj [out] HDR image channel 1
 * @param yj [out] HDR image channel 2
 * @param zj [out] HDR image channel 3
 * @param I1 response curve for channel 1, to be found with robertson02
 * @param I2 response curve for channel 2, to be found with robertson02
 * @param I3 response curve for channel 3, to be found with robertson02
 * @param P  width*height*#exposures array of weights
 */
int debevec_applyResponse( const float *arrayofexptime,
			pfs::Array2D* xj, const float* I1,
			pfs::Array2D* yj, const float* I2,
			pfs::Array2D* zj, const float* I3,
			const Array2DList &P, const bool ldrinput, ... );

/**
 * @brief Create HDR image by applying response curve to given images using Debevec model, checking for under/over exposed pixel values.
 *
 * @param list reference to input Qt list containing source exposures, channels RGB
 * @param arrayofexptime array of floats containing equivalent exposure time (computed from time,f-value and ISO)
 * @param xj [out] HDR image channel 1
 * @param yj [out] HDR image channel 2
 * @param zj [out] HDR image channel 3
 * @param Ir response curve for channel 1, to be found with robertson02
 * @param Ig response curve for channel 2, to be found with robertson02
 * @param Ib response curve for channel 3, to be found with robertson02
 * @param w  array of weights
 * @param M  lenght of w
 */
void debevec_applyResponse( const float * arrayofexptime,
			   pfs::Array2D* xj, pfs::Array2D* yj, pfs::Array2D* zj,
			   const float* Ir, const float* Ig, const float* Ib,
			   const float *w, int M, const bool ldrinput, ... );
