/*
 *  mp_CERT
 *
 *  Author: Andrew Salamon
 *  Date: Thu Apr 20 2006
 *
 *  Copyright (c) 2006 Machine Perception Laboratory
 *  University of California San Diego.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *    2. Redistributions 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.
 *    3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 *
 */

#ifndef __MP_CERT_H__
#define __MP_CERT_H__

#include <complex>
#include <vector>

#include "rimage.h"
#include "mp_eyefinderWrapper.h"
#include "mp_rotateFace.h"

class MP_Gabor;

typedef struct
{
    float x;
    float y;
    float width;
    float height;
} mptSquare;

/** \brief MP_CERT is a high level wrapper.
 * It takes an RImage, searches for a face and if it finds one, aligns the face
 * then calculates AU values. This duplicates most of the functionality of CERT 1.0.
 */
class MP_CERT
{
public:
    MP_CERT( const std::string &svmWeightsDir = "SVMWeights" );
    virtual ~MP_CERT();

    std::vector<double> calcAUs( RImage<float> &rimage );

    /// Assumes a face has already been found and the RImage has been cropped and rotated.
    /// The cropping and rotating parameters can have a large effect on AU values, so standard
    /// CERT methods should be used to generate the face image.
    std::vector<double> calcAUsFromFace( RImage<float> &face );

    std::vector<float> eyes(); ///< left.x left.y right.x right.y
    void clear();

	bool didFindFace() { return foundFace; }
	RImage<float> getPatch() { return patch; }

private:
    mptSquare leftEye;
    mptSquare rightEye;
    mptSquare face;

    RImage<float> patch;
    MP_RotateFace rotator;

    MP_eyefinderWrapper eyefinder;
    MP_Gabor *gabor;

	bool foundFace;
	
    std::vector<int> auLabels;
};

#endif