DenseThreeDimensionalModel.h

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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 2006 Chris Cannam and 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 SV_DENSE_THREE_DIMENSIONAL_MODEL_H
#define SV_DENSE_THREE_DIMENSIONAL_MODEL_H

#include "Model.h"
#include "TabularModel.h"
#include "base/ColumnOp.h"
#include "base/ZoomConstraint.h"
#include "base/RealTime.h"

#include <QMutex>
#include <QVector>

class DenseThreeDimensionalModel : public Model,
                                   public TabularModel
{
    Q_OBJECT

public:
    virtual int getResolution() const = 0;

    virtual int getWidth() const = 0;

    virtual int getHeight() const = 0; 

    virtual float getMinimumLevel() const = 0;

    virtual float getMaximumLevel() const = 0;

    typedef ColumnOp::Column Column;

    virtual Column getColumn(int column) const = 0;

    virtual float getValueAt(int column, int n) const = 0;

    virtual QString getBinName(int n) const = 0;

    virtual bool hasBinValues() const { return false; }

    virtual float getBinValue(int n) const { return float(n); }

    virtual QString getBinValueUnit() const { return ""; }

    virtual bool shouldUseLogValueScale() const = 0;

    bool isLocalPeak(int x, int y) {
        float value = getValueAt(x, y);
        if (y > 0 && value < getValueAt(x, y - 1)) return false;
        if (y < getHeight() - 1 && value < getValueAt(x, y + 1)) return false;
        return true;
    }

    bool isOverThreshold(int x, int y, float threshold) {
        return getValueAt(x, y) > threshold;
    }

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

    virtual int getCompletion() const override = 0;

    /*
       TabularModel methods.
       This class is non-editable -- subclasses may be editable.
       Row and column are transposed for the tabular view (which is
       "on its side").
     */
    
    int getRowCount() const override { return getWidth(); }
    int getColumnCount() const override { return getHeight() + 2; }

    bool isEditable() const override { return false; }
    Command *getSetDataCommand(int, int, const QVariant &, int) override { return nullptr; }
    Command *getInsertRowCommand(int) override { return nullptr; }
    Command *getRemoveRowCommand(int) override { return nullptr; }
    
    QString getHeading(int column) const override
    {
        switch (column) {
        case 0: return tr("Time");
        case 1: return tr("Frame");
        default:
            QString name = getBinName(column - 2);
            if (name == "") {
                name = tr("(bin %1)").arg(column - 2);
            }
            return name;
        }
    }

    QVariant getData(int row, int column, int) const 
    override {
        switch (column) {
        case 0: {
            RealTime rt = RealTime::frame2RealTime
                (row * getResolution() + getStartFrame(), getSampleRate());
            return rt.toText().c_str();
        }
        case 1:
            return int(row * getResolution() + getStartFrame());
        default:
            return getValueAt(row, column - 2);
        }
    }

    bool isColumnTimeValue(int col) const override {
        return col < 2;
    }
    SortType getSortType(int) const override {
        return SortNumeric;
    }

    sv_frame_t getFrameForRow(int row) const override {
        return sv_frame_t(row) * getResolution() + getStartFrame();
    }
    int getRowForFrame(sv_frame_t frame) const override {
        return int((frame - getStartFrame()) / getResolution());
    }

protected:
    DenseThreeDimensionalModel() { }
};

#endif