Mercurial > hg > svcore
view data/model/SparseValueModel.h @ 717:bcdb2a18d9bc library_integration
Revert that change -- this code is used only in Sonic Annotator
author | Chris Cannam |
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date | Tue, 18 Oct 2011 10:14:17 +0100 |
parents | 1415e35881f6 |
children | 59e7fe1b1003 |
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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_VALUE_MODEL_H_ #define _SPARSE_VALUE_MODEL_H_ #include "SparseModel.h" #include "base/UnitDatabase.h" #include "system/System.h" /** * Model containing sparse data (points with some properties) of which * one of the properties is an arbitrary float value. The other * properties depend on the point type. */ template <typename PointType> class SparseValueModel : public SparseModel<PointType> { public: SparseValueModel(size_t sampleRate, size_t resolution, bool notifyOnAdd = true) : SparseModel<PointType>(sampleRate, resolution, notifyOnAdd), m_valueMinimum(0.f), m_valueMaximum(0.f), m_haveExtents(false) { } SparseValueModel(size_t sampleRate, size_t resolution, float valueMinimum, float valueMaximum, bool notifyOnAdd = true) : SparseModel<PointType>(sampleRate, resolution, notifyOnAdd), m_valueMinimum(valueMinimum), m_valueMaximum(valueMaximum), m_haveExtents(true) { } using SparseModel<PointType>::m_points; using SparseModel<PointType>::modelChanged; using SparseModel<PointType>::getPoints; using SparseModel<PointType>::tr; QString getTypeName() const { return tr("Sparse Value"); } virtual float getValueMinimum() const { return m_valueMinimum; } virtual float getValueMaximum() const { return m_valueMaximum; } virtual QString getScaleUnits() const { return m_units; } virtual void setScaleUnits(QString units) { m_units = units; UnitDatabase::getInstance()->registerUnit(units); } virtual void addPoint(const PointType &point) { bool allChange = false; if (!ISNAN(point.value) && !ISINF(point.value)) { if (!m_haveExtents || point.value < m_valueMinimum) { m_valueMinimum = point.value; allChange = true; // std::cerr << "addPoint: value min = " << m_valueMinimum << std::endl; } if (!m_haveExtents || point.value > m_valueMaximum) { m_valueMaximum = point.value; allChange = true; // std::cerr << "addPoint: value max = " << m_valueMaximum << " (min = " << m_valueMinimum << ")" << std::endl; } m_haveExtents = true; } SparseModel<PointType>::addPoint(point); if (allChange) emit modelChanged(); } virtual void deletePoint(const PointType &point) { SparseModel<PointType>::deletePoint(point); if (point.value == m_valueMinimum || point.value == m_valueMaximum) { float formerMin = m_valueMinimum, formerMax = m_valueMaximum; for (typename SparseModel<PointType>::PointList::const_iterator i = m_points.begin(); i != m_points.end(); ++i) { if (i == m_points.begin() || i->value < m_valueMinimum) { m_valueMinimum = i->value; // std::cerr << "deletePoint: value min = " << m_valueMinimum << std::endl; } if (i == m_points.begin() || i->value > m_valueMaximum) { m_valueMaximum = i->value; // std::cerr << "deletePoint: value max = " << m_valueMaximum << std::endl; } } if (formerMin != m_valueMinimum || formerMax != m_valueMaximum) { emit modelChanged(); } } } virtual void toXml(QTextStream &stream, QString indent = "", QString extraAttributes = "") const { std::cerr << "SparseValueModel::toXml: extraAttributes = \"" << extraAttributes.toStdString() << std::endl; SparseModel<PointType>::toXml (stream, indent, QString("%1 minimum=\"%2\" maximum=\"%3\" units=\"%4\"") .arg(extraAttributes).arg(m_valueMinimum).arg(m_valueMaximum) .arg(this->encodeEntities(m_units))); } protected: float m_valueMinimum; float m_valueMaximum; bool m_haveExtents; QString m_units; }; #endif