view data/model/DenseTimeValueModel.cpp @ 1188:d9698ee93659 spectrogram-minor-refactor

Extend column logic to peak frequency display as well, and correct some scopes according to whether values are per source column or per target pixel
author Chris Cannam
date Mon, 20 Jun 2016 12:00:32 +0100
parents 4d9816ba0ebe
children 48e9f538e6e9
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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.
    
    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.
*/

#include "DenseTimeValueModel.h"
#include "base/PlayParameterRepository.h"

#include <QStringList>

DenseTimeValueModel::DenseTimeValueModel()
{
    PlayParameterRepository::getInstance()->addPlayable(this);
}

DenseTimeValueModel::~DenseTimeValueModel()
{
    PlayParameterRepository::getInstance()->removePlayable(this);
}
	
QString
DenseTimeValueModel::toDelimitedDataStringSubset(QString delimiter, sv_frame_t f0, sv_frame_t f1) const
{
    int ch = getChannelCount();

    cerr << "f0 = " << f0 << ", f1 = " << f1 << endl;

    if (f1 <= f0) return "";

    auto data = getMultiChannelData(0, ch - 1, f0, f1 - f0);

    if (data.empty() || data[0].empty()) return "";
    
    QStringList list;
    for (sv_frame_t i = 0; in_range_for(data[0], i); ++i) {
        QStringList parts;
        parts << QString("%1").arg(f0 + i);
        for (int c = 0; in_range_for(data, c); ++c) {
            parts << QString("%1").arg(data[c][i]);
        }
        list << parts.join(delimiter);
    }

    return list.join("\n");
}