Mercurial > hg > svgui
view layer/SpectrumLayer.h @ 561:aced8ec09bc8
* Complete the overhaul of CSV file import; now you can pick the purpose for
each column in the file, and SV should do the rest. The most significant
practical improvement here is that we can now handle files in which time
and duration do not necessarily appear in known columns.
author | Chris Cannam |
---|---|
date | Mon, 19 Jul 2010 17:08:56 +0000 |
parents | 369a197737c7 |
children | a13aa5320221 5b72899d692b |
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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 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 _SPECTRUM_LAYER_H_ #define _SPECTRUM_LAYER_H_ #include "SliceLayer.h" #include "base/Window.h" #include "data/model/DenseTimeValueModel.h" #include <QColor> #include <QMutex> class FFTModel; class SpectrumLayer : public SliceLayer { Q_OBJECT public: SpectrumLayer(); ~SpectrumLayer(); void setModel(DenseTimeValueModel *model); virtual const Model *getModel() const { return m_originModel; } virtual bool getCrosshairExtents(View *, QPainter &, QPoint cursorPos, std::vector<QRect> &extents) const; virtual void paintCrosshairs(View *, QPainter &, QPoint) const; virtual QString getFeatureDescription(View *v, QPoint &) const; virtual void paint(View *v, QPainter &paint, QRect rect) const; virtual VerticalPosition getPreferredFrameCountPosition() const { return PositionTop; } virtual PropertyList getProperties() const; virtual QString getPropertyLabel(const PropertyName &) const; virtual QString getPropertyIconName(const PropertyName &) const; virtual PropertyType getPropertyType(const PropertyName &) const; virtual QString getPropertyGroupName(const PropertyName &) const; virtual int getPropertyRangeAndValue(const PropertyName &, int *min, int *max, int *deflt) const; virtual QString getPropertyValueLabel(const PropertyName &, int value) const; virtual RangeMapper *getNewPropertyRangeMapper(const PropertyName &) const; virtual void setProperty(const PropertyName &, int value); virtual void setProperties(const QXmlAttributes &); virtual bool getValueExtents(float &min, float &max, bool &logarithmic, QString &unit) const; virtual bool getXScaleValue(const View *v, int x, float &value, QString &unit) const; virtual bool getYScaleValue(const View *, int y, float &value, QString &unit) const; virtual bool getYScaleDifference(const View *, int y0, int y1, float &diff, QString &unit) const; virtual bool isLayerScrollable(const View *) const { return false; } void setChannel(int); int getChannel() const { return m_channel; } void setWindowSize(size_t); size_t getWindowSize() const { return m_windowSize; } void setWindowHopLevel(size_t level); size_t getWindowHopLevel() const { return m_windowHopLevel; } void setWindowType(WindowType type); WindowType getWindowType() const { return m_windowType; } void setShowPeaks(bool); bool getShowPeaks() const { return m_showPeaks; } virtual void toXml(QTextStream &stream, QString indent = "", QString extraAttributes = "") const; protected slots: void preferenceChanged(PropertyContainer::PropertyName name); protected: // make this SliceLayer method unavailable to the general public // virtual void setModel(DenseThreeDimensionalModel *model) { // SliceLayer::setModel(model); // } DenseTimeValueModel *m_originModel; int m_channel; bool m_channelSet; size_t m_windowSize; WindowType m_windowType; size_t m_windowHopLevel; bool m_showPeaks; mutable bool m_newFFTNeeded; mutable QMutex m_fftMutex; void setupFFT(); virtual void getBiasCurve(BiasCurve &) const; BiasCurve m_biasCurve; virtual float getXForBin(int bin, int totalBins, float w) const; virtual int getBinForX(float x, int totalBins, float w) const; float getFrequencyForX(float x, float w) const; float getXForFrequency(float freq, float w) const; size_t getWindowIncrement() const { if (m_windowHopLevel == 0) return m_windowSize; else if (m_windowHopLevel == 1) return (m_windowSize * 3) / 4; else return m_windowSize / (1 << (m_windowHopLevel - 1)); } }; #endif