view data/model/PathModel.h @ 1394:9ef1cc26024c

Add Range01 normalisation method to ColumnOp. This is the normalisation that is actually used in the Colour 3D Plot layer historically when column normalisation is enabled (not Max1 after all).

/* -*- 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 2007 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 _PATH_MODEL_H_
#define _PATH_MODEL_H_

#include "Model.h"
#include "SparseModel.h"
#include "base/RealTime.h"
#include "base/BaseTypes.h"

#include <QStringList>


struct PathPoint
{
    PathPoint(sv_frame_t _frame) : frame(_frame), mapframe(_frame) { }
    PathPoint(sv_frame_t _frame, sv_frame_t _mapframe) :
        frame(_frame), mapframe(_mapframe) { }

    int getDimensions() const { return 2; }

    sv_frame_t frame;
    sv_frame_t mapframe;

    QString getLabel() const { return ""; }

    void toXml(QTextStream &stream, QString indent = "",
               QString extraAttributes = "") const {
        stream << QString("%1<point frame=\"%2\" mapframe=\"%3\" %4/>\n")
            .arg(indent).arg(frame).arg(mapframe).arg(extraAttributes);
    }
        
    QString toDelimitedDataString(QString delimiter, DataExportOptions,
                                  sv_samplerate_t sampleRate) const {
        QStringList list;
        list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
        list << QString("%1").arg(mapframe);
        return list.join(delimiter);
    }

    struct Comparator {
        bool operator()(const PathPoint &p1, const PathPoint &p2) const {
            if (p1.frame != p2.frame) return p1.frame < p2.frame;
            return p1.mapframe < p2.mapframe;
        }
    };
    
    struct OrderComparator {
        bool operator()(const PathPoint &p1, const PathPoint &p2) const {
            return p1.frame < p2.frame;
        }
    };
};

class PathModel : public SparseModel<PathPoint>
{
public:
    PathModel(sv_samplerate_t sampleRate, int resolution, bool notify = true) :
        SparseModel<PathPoint>(sampleRate, resolution, notify) { }

    virtual void toXml(QTextStream &out,
                       QString indent = "",
                       QString extraAttributes = "") const
    {
        SparseModel<PathPoint>::toXml
            (out, 
             indent,
             QString("%1 subtype=\"path\"")
             .arg(extraAttributes));
    }

    /**
     * TabularModel is inherited via SparseModel, but we don't need it here.
     */
    virtual QString getHeading(int) const { return ""; }
    virtual bool isColumnTimeValue(int) const { return false; }
    virtual SortType getSortType(int) const { return SortNumeric; }

};


#endif