highlowratio.h

/*
 * This file is part of Copiste.
 *
 * Copiste 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 3 of the License, or
 * (at your option) any later version.
 *
 *  Copiste 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 Copiste.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef INCLUDED_HIGHLOWRATIOH
#define INCLUDED_HIGHLOWRATIOH

#include "filters/filter.h"

const int DEFAULT_HIGH_LOW_WINDOW_SIZE = 100;

class HighLowRatioFilter : public Filter
{
    public:
        HighLowRatioFilter() : mBound(1),
                               mHigh(true),
                               mWindowSize(DEFAULT_HIGH_LOW_WINDOW_SIZE),
                               mCurrentIndex(0)
                               { ; }

        ~HighLowRatioFilter();

        void transform(vector<float> data);

        float value(int index = 0) { return mResults[index] / mWindowSize; }

        void setFloat(string key, float value);
        void setInt(string key, int value);
        float getFloat(string key);
        virtual int getInt(string key);

        int size() { return mResults.size(); }
        float min() { return 0; }
        float max() { return 1; }

    private:
        void reallocate(unsigned int newSize);

        float mBound;
        bool mHigh;
        int mWindowSize;
        vector<float> mResults;
        vector<float> mAverage;
        vector<float*> mMemory;
        unsigned int mCurrentIndex;
};

#endif