Mercurial > hg > svcore
diff data/model/SparseOneDimensionalModel.h @ 147:3a13b0d4934e
* Reorganising code base. This revision will not compile.
author | Chris Cannam |
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date | Mon, 31 Jul 2006 11:44:37 +0000 |
parents | |
children | 4b2ea82fd0ed |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/data/model/SparseOneDimensionalModel.h Mon Jul 31 11:44:37 2006 +0000 @@ -0,0 +1,91 @@ +/* -*- 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 "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 toXmlString(QString indent = "", + QString extraAttributes = "") const + { + return 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(); + 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; + } +}; + +#endif + + +