Chris@133:
Chris@133: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@133:
Chris@133: /*
Chris@133: Sonic Visualiser
Chris@133: An audio file viewer and annotation editor.
Chris@133: Centre for Digital Music, Queen Mary, University of London.
Chris@182: This file copyright 2006 QMUL.
Chris@133:
Chris@133: This program is free software; you can redistribute it and/or
Chris@133: modify it under the terms of the GNU General Public License as
Chris@133: published by the Free Software Foundation; either version 2 of the
Chris@133: License, or (at your option) any later version. See the file
Chris@133: COPYING included with this distribution for more information.
Chris@133: */
Chris@133:
Chris@133: #ifndef _SPECTRUM_LAYER_H_
Chris@133: #define _SPECTRUM_LAYER_H_
Chris@133:
Chris@193: #include "SliceLayer.h"
Chris@133:
Chris@153: #include "base/Window.h"
Chris@153:
Chris@133: #include "data/model/DenseTimeValueModel.h"
Chris@133:
Chris@133: #include <QColor>
Chris@349: #include <QMutex>
Chris@133:
Chris@133: class FFTModel;
Chris@133:
Chris@193: class SpectrumLayer : public SliceLayer
Chris@133: {
Chris@133: Q_OBJECT
Chris@133:
Chris@133: public:
Chris@133: SpectrumLayer();
Chris@133: ~SpectrumLayer();
Chris@133:
Chris@133: void setModel(DenseTimeValueModel *model);
Chris@193: virtual const Model *getModel() const { return m_originModel; }
Chris@133:
Chris@254: virtual bool getCrosshairExtents(View *, QPainter &, QPoint cursorPos,
Chris@254: std::vector<QRect> &extents) const;
Chris@254: virtual void paintCrosshairs(View *, QPainter &, QPoint) const;
Chris@254:
Chris@199: virtual QString getFeatureDescription(View *v, QPoint &) const;
Chris@199:
Chris@275: virtual void paint(View *v, QPainter &paint, QRect rect) const;
Chris@275:
Chris@277: virtual VerticalPosition getPreferredFrameCountPosition() const {
Chris@277: return PositionTop;
Chris@277: }
Chris@277:
Chris@153: virtual PropertyList getProperties() const;
Chris@153: virtual QString getPropertyLabel(const PropertyName &) const;
Chris@335: virtual QString getPropertyIconName(const PropertyName &) const;
Chris@153: virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@153: virtual QString getPropertyGroupName(const PropertyName &) const;
Chris@153: virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@216: int *min, int *max, int *deflt) const;
Chris@153: virtual QString getPropertyValueLabel(const PropertyName &,
Chris@153: int value) const;
Chris@167: virtual RangeMapper *getNewPropertyRangeMapper(const PropertyName &) const;
Chris@153: virtual void setProperty(const PropertyName &, int value);
Chris@133: virtual void setProperties(const QXmlAttributes &);
Chris@133:
Chris@133: virtual bool getValueExtents(float &min, float &max,
Chris@133: bool &logarithmic, QString &unit) const;
Chris@133:
Chris@267: virtual bool getXScaleValue(const View *v, int x,
Chris@260: float &value, QString &unit) const;
Chris@260:
Chris@274: virtual bool getYScaleValue(const View *, int y,
Chris@274: float &value, QString &unit) const;
Chris@274:
Chris@274: virtual bool getYScaleDifference(const View *, int y0, int y1,
Chris@274: float &diff, QString &unit) const;
Chris@274:
Chris@248: virtual bool isLayerScrollable(const View *) const { return false; }
Chris@133:
Chris@153: void setChannel(int);
Chris@153: int getChannel() const { return m_channel; }
Chris@153:
Chris@805: void setWindowSize(int);
Chris@805: int getWindowSize() const { return m_windowSize; }
Chris@153:
Chris@805: void setWindowHopLevel(int level);
Chris@805: int getWindowHopLevel() const { return m_windowHopLevel; }
Chris@153:
Chris@153: void setWindowType(WindowType type);
Chris@153: WindowType getWindowType() const { return m_windowType; }
Chris@153:
Chris@284: void setShowPeaks(bool);
Chris@284: bool getShowPeaks() const { return m_showPeaks; }
Chris@284:
Chris@607: virtual int getVerticalScaleWidth(View *, bool, QPainter &) const { return 0; }
Chris@607:
Chris@316: virtual void toXml(QTextStream &stream, QString indent = "",
Chris@316: QString extraAttributes = "") const;
Chris@153:
Chris@153: protected slots:
Chris@153: void preferenceChanged(PropertyContainer::PropertyName name);
Chris@133:
Chris@133: protected:
Chris@193: // make this SliceLayer method unavailable to the general public
Chris@193: // virtual void setModel(DenseThreeDimensionalModel *model) {
Chris@193: // SliceLayer::setModel(model);
Chris@193: // }
Chris@193:
Chris@193: DenseTimeValueModel *m_originModel;
Chris@153: int m_channel;
Chris@153: bool m_channelSet;
Chris@805: int m_windowSize;
Chris@153: WindowType m_windowType;
Chris@805: int m_windowHopLevel;
Chris@284: bool m_showPeaks;
Chris@275: mutable bool m_newFFTNeeded;
Chris@153:
Chris@349: mutable QMutex m_fftMutex;
Chris@349:
Chris@193: void setupFFT();
Chris@153:
Chris@254: virtual void getBiasCurve(BiasCurve &) const;
Chris@254: BiasCurve m_biasCurve;
Chris@254:
Chris@265: virtual float getXForBin(int bin, int totalBins, float w) const;
Chris@265: virtual int getBinForX(float x, int totalBins, float w) const;
Chris@265:
Chris@254: float getFrequencyForX(float x, float w) const;
Chris@254: float getXForFrequency(float freq, float w) const;
Chris@254:
Chris@805: int getWindowIncrement() const {
Chris@153: if (m_windowHopLevel == 0) return m_windowSize;
Chris@153: else if (m_windowHopLevel == 1) return (m_windowSize * 3) / 4;
Chris@153: else return m_windowSize / (1 << (m_windowHopLevel - 1));
Chris@153: }
Chris@133: };
Chris@133:
Chris@133: #endif