view data/model/Dense3DModelPeakCache.h @ 985:f073d924a7c3

Fix #1058 clicking row in Layer Edit dialog when colour 3d plot layer active jumps to wrong frame (was using sample rate where resolution intended)
author Chris Cannam
date Tue, 16 Sep 2014 10:29:19 +0100
parents 59e7fe1b1003
children cc27f35aa75c
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/* -*- 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 2009 QMUL.
    
    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 _DENSE_3D_MODEL_PEAK_CACHE_H_
#define _DENSE_3D_MODEL_PEAK_CACHE_H_

#include "DenseThreeDimensionalModel.h"
#include "EditableDenseThreeDimensionalModel.h"
#include "base/ResizeableBitset.h"

class Dense3DModelPeakCache : public DenseThreeDimensionalModel
{
    Q_OBJECT

public:
    Dense3DModelPeakCache(DenseThreeDimensionalModel *source,
                          int columnsPerPeak);
    ~Dense3DModelPeakCache();

    virtual bool isOK() const {
        return m_source && m_source->isOK(); 
    }

    virtual int getSampleRate() const {
        return m_source->getSampleRate();
    }

    virtual int getStartFrame() const {
        return m_source->getStartFrame();
    }

    virtual int getEndFrame() const {
        return m_source->getEndFrame();
    }

    virtual Model *clone() const {
        return new Dense3DModelPeakCache(m_source, m_resolution);
    }
    
    virtual int getResolution() const {
        return m_source->getResolution() * m_resolution;
    }

    virtual int getWidth() const {
        return m_source->getWidth() / m_resolution + 1;
    }

    virtual int getHeight() const {
        return m_source->getHeight();
    }

    virtual float getMinimumLevel() const {
        return m_source->getMinimumLevel();
    }

    virtual float getMaximumLevel() const {
        return m_source->getMaximumLevel();
    }

    virtual bool isColumnAvailable(int column) const;

    virtual Column getColumn(int column) const;

    virtual float getValueAt(int column, int n) const;

    virtual QString getBinName(int n) const {
        return m_source->getBinName(n);
    }

    virtual bool shouldUseLogValueScale() const {
        return m_source->shouldUseLogValueScale();
    }

    QString getTypeName() const { return tr("Dense 3-D Peak Cache"); }

    virtual int getCompletion() const {
        return m_source->getCompletion();
    }

protected slots:
    void sourceModelChanged();
    void sourceModelAboutToBeDeleted();

private:
    DenseThreeDimensionalModel *m_source;
    mutable EditableDenseThreeDimensionalModel *m_cache;
    mutable ResizeableBitset m_coverage;
    int m_resolution;

    bool haveColumn(int column) const;
    void fillColumn(int column) const;
};


#endif