scbc_repos/cv/include/opencv2/reg/mapaffine.hpp

/*M///////////////////////////////////////////////////////////////////////////////////////
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
// Copyright (C) 2013, Alfonso Sanchez-Beato, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//
//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//
//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/

#ifndef MAPAFFINE_H_
#define MAPAFFINE_H_

#include "map.hpp"

namespace cv {
namespace reg {

//! @addtogroup reg
//! @{

/*!
 * Defines an affine transformation
 */
class CV_EXPORTS_W MapAffine : public Map
{
public:
    /*!
     * Default constructor builds an identity map
     */
    CV_WRAP MapAffine();

    /*!
     * Constructor providing explicit values
     * \param[in] linTr Linear part of the affine transformation
     * \param[in] shift Displacement part of the affine transformation
     */
    CV_WRAP MapAffine(InputArray linTr, InputArray shift);

    /*!
     * Destructor
     */
    ~MapAffine();

    CV_WRAP void inverseWarp(InputArray img1, OutputArray img2) const;

    CV_WRAP cv::Ptr<Map> inverseMap() const;

    CV_WRAP void compose(cv::Ptr<Map> map);

    CV_WRAP void scale(double factor);

    /*!
     * Return linear part of the affine transformation
     * \return Linear part of the affine transformation
     */
     const cv::Matx<double, 2, 2>& getLinTr() const {
        return linTr_;
    }

    CV_WRAP void getLinTr(OutputArray linTr) const {
        Mat(linTr_).copyTo(linTr);
    }

    /*!
     * Return displacement part of the affine transformation
     * \return Displacement part of the affine transformation
     */
    const cv::Vec<double, 2>& getShift() const {
        return shift_;
    }

    CV_WRAP void getShift(OutputArray shift) const {
        Mat(shift_).copyTo(shift);
    }

private:
    cv::Matx<double, 2, 2> linTr_;
    cv::Vec<double, 2> shift_;
};

//! @}

}}  // namespace cv::reg

#endif  // MAPAFFINE_H_