lbajardsilogic@0: 
lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 QMUL.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _SPECTRUM_LAYER_H_
lbajardsilogic@0: #define _SPECTRUM_LAYER_H_
lbajardsilogic@0: 
lbajardsilogic@0: #include "SliceLayer.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include "base/Window.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include "data/model/DenseTimeValueModel.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include <QColor>
lbajardsilogic@0: 
lbajardsilogic@0: class FFTModel;
lbajardsilogic@0: 
lbajardsilogic@0: class SpectrumLayer : public SliceLayer
lbajardsilogic@0: {
lbajardsilogic@0:     Q_OBJECT
lbajardsilogic@0: 
lbajardsilogic@0: public:
lbajardsilogic@0:     SpectrumLayer();
lbajardsilogic@0:     ~SpectrumLayer();
lbajardsilogic@0:     
lbajardsilogic@0:     void setModel(DenseTimeValueModel *model);
lbajardsilogic@0:     virtual const Model *getModel() const { return m_originModel; }
lbajardsilogic@0: 
lbajardsilogic@0:     virtual QString getFeatureDescription(View *v, QPoint &) const;
lbajardsilogic@0: 
lbajardsilogic@0:     virtual PropertyList getProperties() const;
lbajardsilogic@0:     virtual QString getPropertyLabel(const PropertyName &) const;
lbajardsilogic@0:     virtual PropertyType getPropertyType(const PropertyName &) const;
lbajardsilogic@0:     virtual QString getPropertyGroupName(const PropertyName &) const;
lbajardsilogic@0:     virtual int getPropertyRangeAndValue(const PropertyName &,
lbajardsilogic@0:                                          int *min, int *max, int *deflt) const;
lbajardsilogic@0:     virtual QString getPropertyValueLabel(const PropertyName &,
lbajardsilogic@0: 					  int value) const;
lbajardsilogic@0:     virtual RangeMapper *getNewPropertyRangeMapper(const PropertyName &) const;
lbajardsilogic@0:     virtual void setProperty(const PropertyName &, int value);
lbajardsilogic@0:     virtual void setProperties(const QXmlAttributes &);
lbajardsilogic@0: 
lbajardsilogic@0:     virtual bool getValueExtents(float &min, float &max,
lbajardsilogic@0:                                  bool &logarithmic, QString &unit) const;
lbajardsilogic@0: 
lbajardsilogic@0:     virtual bool isLayerScrollable(const View *) const { return false; }
lbajardsilogic@0: 
lbajardsilogic@0:     void setChannel(int);
lbajardsilogic@0:     int getChannel() const { return m_channel; }
lbajardsilogic@0: 
lbajardsilogic@0:     void setWindowSize(size_t);
lbajardsilogic@0:     size_t getWindowSize() const { return m_windowSize; }
lbajardsilogic@0:     
lbajardsilogic@0:     void setWindowHopLevel(size_t level);
lbajardsilogic@0:     size_t getWindowHopLevel() const { return m_windowHopLevel; }
lbajardsilogic@0: 
lbajardsilogic@0:     void setWindowType(WindowType type);
lbajardsilogic@0:     WindowType getWindowType() const { return m_windowType; }
lbajardsilogic@0: 
lbajardsilogic@0:     virtual QString toXmlString(QString indent = "",
lbajardsilogic@0: 				QString extraAttributes = "") const;
lbajardsilogic@0: 
lbajardsilogic@0: protected slots:
lbajardsilogic@0:     void preferenceChanged(PropertyContainer::PropertyName name);
lbajardsilogic@0: 
lbajardsilogic@0: protected:
lbajardsilogic@0:     // make this SliceLayer method unavailable to the general public
lbajardsilogic@0: //    virtual void setModel(DenseThreeDimensionalModel *model) {
lbajardsilogic@0: //        SliceLayer::setModel(model);
lbajardsilogic@0: //    }
lbajardsilogic@0: 
lbajardsilogic@0:     DenseTimeValueModel    *m_originModel;
lbajardsilogic@0:     int                     m_channel;
lbajardsilogic@0:     bool                    m_channelSet;
lbajardsilogic@0:     size_t                  m_windowSize;
lbajardsilogic@0:     WindowType              m_windowType;
lbajardsilogic@0:     size_t                  m_windowHopLevel;
lbajardsilogic@0: 
lbajardsilogic@0:     void setupFFT();
lbajardsilogic@0: 
lbajardsilogic@0:     size_t getWindowIncrement() const {
lbajardsilogic@0:         if (m_windowHopLevel == 0) return m_windowSize;
lbajardsilogic@0:         else if (m_windowHopLevel == 1) return (m_windowSize * 3) / 4;
lbajardsilogic@0:         else return m_windowSize / (1 << (m_windowHopLevel - 1));
lbajardsilogic@0:     }
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif