// -*- c-basic-offset: 4 -*-
/** @file StraightenPanorama.h
 *
 *  @author Pablo d'Angelo <pablo.dangelo@web.de>
 *
 *  $Id$
 *
 * !! from Panorama.h 1947 
 *
 *  This 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 software 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this software. If not, see
 *  <http://www.gnu.org/licenses/>.
 *
 */

#ifndef _BASICALGORITHMS_STRAIGHTENPANORAMA_H
#define _BASICALGORITHMS_STRAIGHTENPANORAMA_H

#include <hugin_shared.h>
#include <algorithms/basic/RotatePanorama.h>


namespace HuginBase {


class IMPEX StraightenPanorama : public RotatePanorama
{

    public:
        ///
        explicit StraightenPanorama(PanoramaData& panorama)
         : RotatePanorama(panorama, Matrix3())
        {};
        
        ///
        virtual ~StraightenPanorama() {};
          
        
    public:
        ///
        static Matrix3 calcStraighteningRotation(const PanoramaData& panorama);       
        
    public:
        ///
        virtual bool runAlgorithm()
        {
            for(unsigned int i=0;i<o_panorama.getNrOfImages();i++)
            {
                const SrcPanoImage & img=o_panorama.getImage(i);
                //if translation parameters are non-zero, straighten does not work in current form
                //TODO: fix straighten with non-zero translation parameters
                if(img.getX()!=0 || img.getY()!=0 || img.getZ()!=0)
                    return true;
            };
            o_transformMat = calcStraighteningRotation(o_panorama);
            RotatePanorama::runAlgorithm();
            
            return true; // let's hope so.
        }
};


}
#endif //_H
