Mercurial > hg > svgui
view layer/SpectrumLayer.h @ 1088:c520f90bbf2e spectrogram-minor-refactor
One FFT model per spectrogram (again!) - but we do still need a magnitude range per view, as views could be showing different regions
author | Chris Cannam |
---|---|
date | Tue, 05 Jul 2016 08:58:28 +0100 |
parents | 4fe7a09be0fe |
children | 366ffdf719cd |
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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(LayerGeometryProvider *, QPainter &, QPoint cursorPos, std::vector<QRect> &extents) const; virtual void paintCrosshairs(LayerGeometryProvider *, QPainter &, QPoint) const; virtual QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const; virtual void paint(LayerGeometryProvider *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(double &min, double &max, bool &logarithmic, QString &unit) const; virtual bool getXScaleValue(const LayerGeometryProvider *v, int x, double &value, QString &unit) const; virtual bool getYScaleValue(const LayerGeometryProvider *, int y, double &value, QString &unit) const; virtual bool getYScaleDifference(const LayerGeometryProvider *, int y0, int y1, double &diff, QString &unit) const; virtual bool isLayerScrollable(const LayerGeometryProvider *) const { return false; } void setChannel(int); int getChannel() const { return m_channel; } void setWindowSize(int); int getWindowSize() const { return m_windowSize; } void setWindowHopLevel(int level); int 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 int getVerticalScaleWidth(LayerGeometryProvider *, bool, QPainter &) const { return 0; } 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; int m_windowSize; WindowType m_windowType; int m_windowHopLevel; bool m_showPeaks; mutable bool m_newFFTNeeded; mutable QMutex m_fftMutex; void setupFFT(); virtual void getBiasCurve(BiasCurve &) const; BiasCurve m_biasCurve; virtual double getXForBin(int bin, int totalBins, double w) const; virtual int getBinForX(double x, int totalBins, double w) const; double getFrequencyForX(double x, double w) const; double getXForFrequency(double freq, double w) const; int 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