Mercurial > hg > svcore
view data/model/SparseOneDimensionalModel.h @ 361:399ea254afd6
* Part of #1877436 transform fails to re-run when file loaded at different rate
author | Chris Cannam |
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date | Wed, 23 Jan 2008 18:09:50 +0000 |
parents | 700cd3350391 |
children | 7aa1de571880 |
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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. */ #ifndef _SPARSE_ONE_DIMENSIONAL_MODEL_H_ #define _SPARSE_ONE_DIMENSIONAL_MODEL_H_ #include "SparseModel.h" #include "base/PlayParameterRepository.h" #include "base/RealTime.h" struct OneDimensionalPoint { public: OneDimensionalPoint(long _frame) : frame(_frame) { } OneDimensionalPoint(long _frame, QString _label) : frame(_frame), label(_label) { } int getDimensions() const { return 1; } long frame; QString label; QString getLabel() const { return label; } void toXml(QTextStream &stream, QString indent = "", QString extraAttributes = "") const { stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n") .arg(indent).arg(frame).arg(label).arg(extraAttributes); } QString toDelimitedDataString(QString delimiter, size_t sampleRate) const { QStringList list; list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str(); if (label != "") list << label; return list.join(delimiter); } struct Comparator { bool operator()(const OneDimensionalPoint &p1, const OneDimensionalPoint &p2) const { if (p1.frame != p2.frame) return p1.frame < p2.frame; return p1.label < p2.label; } }; struct OrderComparator { bool operator()(const OneDimensionalPoint &p1, const OneDimensionalPoint &p2) const { return p1.frame < p2.frame; } }; }; class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint> { public: SparseOneDimensionalModel(size_t sampleRate, size_t resolution, bool notifyOnAdd = true) : SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd) { PlayParameterRepository::getInstance()->addModel(this); } int getIndexOf(const Point &point) { // slow int i = 0; Point::Comparator comparator; for (PointList::const_iterator j = m_points.begin(); j != m_points.end(); ++j, ++i) { if (!comparator(*j, point) && !comparator(point, *j)) return i; } return -1; } QString getTypeName() const { return tr("Sparse 1-D"); } }; #endif