#ifndef __SURFACE_PROJECTION_VAN_ESSEN__H_
#define __SURFACE_PROJECTION_VAN_ESSEN__H_

/*LICENSE_START*/
/*
 *  Copyright (C) 2014  Washington University School of Medicine
 *
 *  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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
/*LICENSE_END*/


#include "SurfaceProjection.h"

namespace caret {

    class SurfaceProjectionVanEssen : public SurfaceProjection {
        
    public:
        SurfaceProjectionVanEssen();
        
        virtual ~SurfaceProjectionVanEssen();
        
        SurfaceProjectionVanEssen(const SurfaceProjectionVanEssen& obj);

        SurfaceProjectionVanEssen& operator=(const SurfaceProjectionVanEssen& obj);
        
        bool unprojectToSurface(const SurfaceFile& surfaceFile,
                                float xyzOut[3],
                                const float offsetFromSurface,
                                const bool unprojectWithOffsetFromSurface) const;
        
        float getDR() const;
        
        void setDR(const float dR);
        
        float getThetaR() const;
        
        void setThetaR(const float thetaR);
        
        float getPhiR() const;
        
        void setPhiR(const float phiR);
        
        float getFracRI() const;
        
        void setFracRI(const float fracRI);
        
        float getFracRJ() const;
        
        void setFracRJ(const float fracRJ);
        
        void setTriVertices(const int32_t triVertices[2][3]);
        
        void setTriVertices(const int32_t indx1,
                            const int32_t vertices[3]);
        
        void getTriVertices(int32_t triVertices[2][3]) const;
        
        void setVertex(const int32_t vertex[2]);
        
        void setVertex(const int32_t indx1,
                       const int32_t vertex);
        
        void getVertex(int32_t vertex[2]) const;
        
        void setTriAnatomical(const float triAnatomical[2][3][3]);
        
        void setTriAnatomical(const int32_t indx1,
                              const int32_t indx2,
                              const float anatomical[3]);
        
        void getTriAnatomical(float triAnatomical[2][3][3]) const;
        
        void setVertexAnatomical(const float vertexAnatomical[2][3]);
        
        void setVertexAnatomical(const int32_t indx1,
                                 const float anatomical[3]);
        
        void getVertexAnatomical(float vertexAnatomical[2][3]) const;
        
        void getPosAnatomical(float posAnatomical[3]) const;
        
        void setPosAnatomical(const float posAnatomical[3]);
        
        void reset();
        
        bool isValid() const;
        
        void setValid(const bool valid);
        
        virtual AString toString() const;
        
        void writeAsXML(XmlWriter& xmlWriter) throw (XmlException);
        
        static  const AString XML_TAG_PROJECTION_VAN_ESSEN;
        
        static  const AString XML_TAG_DR;
        
        static  const AString XML_TAG_TRI_ANATOMICAL;
        
        static  const AString XML_TAG_THETA_R;
        
        static  const AString XML_TAG_PHI_R;
        
        static  const AString XML_TAG_TRI_VERTICES;
        
        static  const AString XML_TAG_VERTEX;
        
        static  const AString XML_TAG_VERTEX_ANATOMICAL;
        
        static  const AString XML_TAG_POS_ANATOMICAL;
        
        static  const AString XML_TAG_FRAC_RI;
        
        static  const AString XML_TAG_FRAC_RJ;
        
    private:
        void copyHelperSurfaceProjectionVanEssen(const SurfaceProjectionVanEssen& obj);
        
        void computeProjectionPoint(float projection[3]) const;
        
        void resetAllValues();
        
        float dR;
        
        float thetaR;
        
        float phiR;
        
        float fracRI;
        
        float fracRJ;
        
        int32_t triVertices[2][3];
        
        int32_t vertex[2];
        
        float triAnatomical[2][3][3];
        
        float vertexAnatomical[2][3];
        
        float posAnatomical[3];
        
        bool projectionValid;
        
    };
    
#ifdef __SURFACE_PROJECTION_VAN_ESSEN_DECLARE__
      const AString SurfaceProjectionVanEssen::XML_TAG_PROJECTION_VAN_ESSEN = "VanEssenProjection";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_DR = "DR";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_TRI_ANATOMICAL = "TriAnatomical";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_THETA_R = "ThetaR";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_PHI_R = "PhiR";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_TRI_VERTICES = "TriVertices";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_VERTEX = "Vertex";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_VERTEX_ANATOMICAL = "VertexAnatomical";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_POS_ANATOMICAL = "PosAnatomical";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_FRAC_RI = "FracRI";
    
      const AString SurfaceProjectionVanEssen::XML_TAG_FRAC_RJ = "FracRJ";
#endif // __SURFACE_PROJECTION_VAN_ESSEN_DECLARE__

} // namespace
#endif  //__SURFACE_PROJECTION_VAN_ESSEN__H_
