view data/fileio/FFTFuzzyAdapter.h @ 631:3a5ee4b6c9ad

* Complete the overhaul of CSV file import; now you can pick the purpose for
  each column in the file, and SV should do the rest.  The most significant
  practical improvement here is that we can now handle files in which time
  and duration do not necessarily appear in known columns.

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _FFT_FUZZY_ADAPTER_H_
#define _FFT_FUZZY_ADAPTER_H_

#include "FFTDataServer.h"

class FFTFuzzyAdapter
{
public:
    FFTFuzzyAdapter(const DenseTimeValueModel *model,
                    int channel,
                    WindowType windowType,
                    size_t windowSize,
                    size_t windowIncrement,
                    size_t fftSize,
                    bool polar,
                    size_t fillFromColumn = 0);
    ~FFTFuzzyAdapter();

    size_t getWidth() const {
        return m_server->getWidth() >> m_xshift;
    }
    size_t getHeight() const {
        return m_server->getHeight() >> m_yshift;
    }
    float getMagnitudeAt(size_t x, size_t y) {
        return m_server->getMagnitudeAt(x << m_xshift, y << m_yshift);
    }
    float getNormalizedMagnitudeAt(size_t x, size_t y) {
        return m_server->getNormalizedMagnitudeAt(x << m_xshift, y << m_yshift);
    }
    float getMaximumMagnitudeAt(size_t x) {
        return m_server->getMaximumMagnitudeAt(x << m_xshift);
    }
    float getPhaseAt(size_t x, size_t y) {
        return m_server->getPhaseAt(x << m_xshift, y << m_yshift);
    }
    void getValuesAt(size_t x, size_t y, float &real, float &imaginary) {
        m_server->getValuesAt(x << m_xshift, y << m_yshift, real, imaginary);
    }
    bool isColumnReady(size_t x) {
        return m_server->isColumnReady(x << m_xshift);
    }
    bool isLocalPeak(size_t x, size_t y) {
        float mag = getMagnitudeAt(x, y);
        if (y > 0 && mag < getMagnitudeAt(x, y - 1)) return false;
        if (y < getHeight() - 1 && mag < getMagnitudeAt(x, y + 1)) return false;
        return true;
    }
    bool isOverThreshold(size_t x, size_t y, float threshold) {
        return getMagnitudeAt(x, y) > threshold;
    }

    size_t getFillCompletion() const { return m_server->getFillCompletion(); }
    size_t getFillExtent() const { return m_server->getFillExtent(); }

private:
    FFTFuzzyAdapter(const FFTFuzzyAdapter &); // not implemented
    FFTFuzzyAdapter &operator=(const FFTFuzzyAdapter &); // not implemented

    FFTDataServer *m_server;
    int m_xshift;
    int m_yshift;
};

#endif