TuioBlob.h

/*
 TUIO C++ Library
 Copyright (c) 2005-2017 Martin Kaltenbrunner <martin@tuio.org>
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 3.0 of the License, or (at your option) any later version.
 
 This library 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 Lesser General Public
 License along with this library.
*/

#ifndef INCLUDED_TUIOBLOB_H
#define INCLUDED_TUIOBLOB_H

#include "TuioContainer.h"

namespace TUIO {
    
    class LIBDECL TuioBlob: public TuioContainer {
        
    protected:
        int blob_id;
        float angle;
        float angle_sum;
        float width;
        float height;
        float area;
        float rotation_speed;
        float rotation_accel;
        
        float angleThreshold;
        OneEuroFilter *angleFilter;
        float sizeThreshold;
        OneEuroFilter *widthFilter;
        OneEuroFilter *heightFilter;
        
    public:
        using TuioContainer::update;

        TuioBlob (TuioTime ttime, long si, int bi, float xp, float yp, float a, float w, float h, float f);

        TuioBlob (long si, int bi, float xp, float yp, float a, float  w, float h, float f);
        
        TuioBlob (TuioBlob *tblb);
        
        virtual ~TuioBlob() {
            if (widthFilter) delete widthFilter;
            if (heightFilter) delete heightFilter;
            if (angleFilter) delete angleFilter;
        };

        int getBlobID() const;
        
        void setBlobID(int bi);
        
        void update (TuioTime ttime, float xp, float yp, float a, float w, float h, float f, float xs, float ys, float rs, float ma, float ra);

        void update (float xp, float yp, float a, float w, float h, float f, float xs, float ys, float rs, float ma, float ra);
        
        void update (TuioTime ttime, float xp, float yp, float a, float w, float h, float f);

        void stop (TuioTime ttime);
        
        void update (TuioBlob *tblb);
        
        float getWidth() const;

        float getHeight() const;

        int getScreenWidth(int w) const;
        
        int getScreenHeight(int h) const;
        
        float getArea() const;
        
        float getAngle() const;
        
        float getAngleSum() const;
        
        float getAngleDegrees() const;
        
        float getRotationSpeed() const;
        
        float getRotationAccel() const;

        bool isMoving() const;
        
        void addAngleThreshold(float thresh);
        
        void removeAngleThreshold();
        
        void addAngleFilter(float mcut, float beta);
        
        void removeAngleFilter();
        
        void addSizeThreshold(float thresh);
        
        void removeSizeThreshold();
        
        void addSizeFilter(float mcut, float beta);
        
        void removeSizeFilter();
    };
}
#endif