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			400 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			400 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////////
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| // Copyright (C) 2016 F4EXB                                                      //
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| // written by Edouard Griffiths                                                  //
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| //                                                                               //
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| // OpenGL interface modernization.                                               //
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| // See: http://doc.qt.io/qt-5/qopenglshaderprogram.html                          //
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| //                                                                               //
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| // This program is free software; you can redistribute it and/or modify          //
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| // it under the terms of the GNU General Public License as published by          //
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| // the Free Software Foundation as version 3 of the License, or                  //
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| // (at your option) any later version.                                           //
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| //                                                                               //
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| // This program is distributed in the hope that it will be useful,               //
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of                //
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
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| // GNU General Public License V3 for more details.                               //
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| //                                                                               //
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| // You should have received a copy of the GNU General Public License             //
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| // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
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| ///////////////////////////////////////////////////////////////////////////////////
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| 
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| #ifndef INCLUDE_GLSPECTRUM_H
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| #define INCLUDE_GLSPECTRUM_H
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| 
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| #include <QTimer>
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| #include <QMutex>
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| #include <QOpenGLBuffer>
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| #include <QOpenGLVertexArrayObject>
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| #include <QMatrix4x4>
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| #include <QOpenGLWidget>
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| #include "gui/scaleengine.h"
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| #include "gui/glshadersimple.h"
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| #include "gui/glshadertextured.h"
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| #include "dsp/glspectruminterface.h"
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| #include "dsp/spectrummarkers.h"
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| #include "dsp/channelmarker.h"
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| #include "dsp/spectrumsettings.h"
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| #include "export.h"
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| #include "util/incrementalarray.h"
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| #include "util/message.h"
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| 
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| class QOpenGLShaderProgram;
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| class MessageQueue;
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| class SpectrumVis;
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| 
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| class SDRGUI_API GLSpectrum : public QOpenGLWidget, public GLSpectrumInterface {
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|     Q_OBJECT
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| 
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| public:
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|     class MsgReportSampleRate : public Message {
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|         MESSAGE_CLASS_DECLARATION
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| 
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|     public:
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|         MsgReportSampleRate(quint32 sampleRate) :
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|             Message(),
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|             m_sampleRate(sampleRate)
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|         {}
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| 
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|         quint32 getSampleRate() const { return m_sampleRate; }
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| 
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|     private:
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|         quint32 m_sampleRate;
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|     };
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| 
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|     class MsgReportWaterfallShare : public Message {
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|         MESSAGE_CLASS_DECLARATION
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| 
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|     public:
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|         MsgReportWaterfallShare(Real waterfallShare) :
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|             Message(),
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|             m_waterfallShare(waterfallShare)
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|         {}
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| 
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|         Real getWaterfallShare() const { return m_waterfallShare; }
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| 
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|     private:
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|         Real m_waterfallShare;
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|     };
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| 
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|     class MsgReportFFTOverlap : public Message {
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|         MESSAGE_CLASS_DECLARATION
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| 
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|     public:
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|         MsgReportFFTOverlap(int overlap) :
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|             Message(),
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|             m_overlap(overlap)
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|         {}
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| 
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|         int getOverlap() const { return m_overlap; }
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| 
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|     private:
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|         int m_overlap;
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|     };
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| 
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|     class MsgReportPowerScale : public Message {
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|         MESSAGE_CLASS_DECLARATION
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| 
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|     public:
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|         MsgReportPowerScale(int refLevel, int range) :
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|             Message(),
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|             m_refLevel(refLevel),
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|             m_range(range)
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|         {}
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| 
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|         Real getRefLevel() const { return m_refLevel; }
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|         Real getRange() const { return m_range; }
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| 
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|     private:
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|         Real m_refLevel;
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|         Real m_range;
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|     };
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| 
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|     class MsgReportCalibrationShift : public Message {
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|         MESSAGE_CLASS_DECLARATION
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| 
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|     public:
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|         MsgReportCalibrationShift(Real calibrationShiftdB) :
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|             Message(),
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|             m_calibrationShiftdB(calibrationShiftdB)
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|         {}
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| 
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|         Real getCalibrationShiftdB() const { return m_calibrationShiftdB; }
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|     private:
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|         Real m_calibrationShiftdB;
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|     };
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| 
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|     GLSpectrum(QWidget* parent = nullptr);
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|     virtual ~GLSpectrum();
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| 
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|     void setCenterFrequency(qint64 frequency);
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|     qint64 getCenterFrequency() const { return m_centerFrequency; }
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|     float getPowerMax() const;
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|     float getTimeMax() const;
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|     void setSampleRate(qint32 sampleRate);
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|     void setTimingRate(qint32 timingRate);
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|     void setFFTOverlap(int overlap);
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|     void setReferenceLevel(Real referenceLevel);
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|     void setPowerRange(Real powerRange);
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|     void setDecay(int decay);
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|     void setDecayDivisor(int decayDivisor);
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|     void setHistoStroke(int stroke);
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|     void setDisplayWaterfall(bool display);
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|     void setSsbSpectrum(bool ssbSpectrum);
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|     void setLsbDisplay(bool lsbDisplay);
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|     void setInvertedWaterfall(bool inv);
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|     void setDisplayMaxHold(bool display);
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|     void setDisplayCurrent(bool display);
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|     void setDisplayHistogram(bool display);
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|     void setDisplayGrid(bool display);
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|     void setDisplayGridIntensity(int intensity);
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|     void setDisplayTraceIntensity(int intensity);
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|     void setLinear(bool linear);
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|     void setUseCalibration(bool useCalibration);
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|     qint32 getSampleRate() const { return m_sampleRate; }
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| 
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|     void addChannelMarker(ChannelMarker* channelMarker);
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|     void removeChannelMarker(ChannelMarker* channelMarker);
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|     void setMessageQueueToGUI(MessageQueue* messageQueue) { m_messageQueueToGUI = messageQueue; }
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| 
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|     virtual void newSpectrum(const Real* spectrum, int nbBins, int fftSize);
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|     void clearSpectrumHistogram();
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| 
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|     Real getWaterfallShare() const { return m_waterfallShare; }
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|     void setWaterfallShare(Real waterfallShare);
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|     void setFPSPeriodMs(int fpsPeriodMs);
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| 
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|     void setDisplayedStream(bool sourceOrSink, int streamIndex)
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|     {
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|         m_displaySourceOrSink = sourceOrSink;
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|         m_displayStreamIndex = streamIndex;
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|     }
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|     void setSpectrumVis(SpectrumVis *spectrumVis) { m_spectrumVis = spectrumVis; }
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|     SpectrumVis *getSpectrumVis() { return m_spectrumVis; }
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|     const QList<SpectrumHistogramMarker>& getHistogramMarkers() const { return m_histogramMarkers; }
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|     QList<SpectrumHistogramMarker>& getHistogramMarkers() { return m_histogramMarkers; }
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|     void setHistogramMarkers(const QList<SpectrumHistogramMarker>& histogramMarkers);
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|     const QList<SpectrumWaterfallMarker>& getWaterfallMarkers() const { return m_waterfallMarkers; }
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|     QList<SpectrumWaterfallMarker>& getWaterfallMarkers() { return m_waterfallMarkers; }
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|     void setWaterfallMarkers(const QList<SpectrumWaterfallMarker>& waterfallMarkers);
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|     const QList<SpectrumAnnotationMarker>& getAnnotationMarkers() const { return m_annotationMarkers; }
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|     QList<SpectrumAnnotationMarker>& getAnnotationMarkers() { return m_annotationMarkers; }
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|     void setAnnotationMarkers(const QList<SpectrumAnnotationMarker>& annotationMarkers);
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|     void updateHistogramMarkers();
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|     void updateWaterfallMarkers();
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|     void updateAnnotationMarkers();
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|     void updateMarkersDisplay();
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|     void updateCalibrationPoints();
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|     SpectrumSettings::MarkersDisplay& getMarkersDisplay() {  return m_markersDisplay; }
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| 	void setMarkersDisplay(SpectrumSettings::MarkersDisplay markersDisplay);
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|     QList<SpectrumCalibrationPoint>& getCalibrationPoints() { return m_calibrationPoints; }
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|     void setCalibrationPoints(const QList<SpectrumCalibrationPoint>& calibrationPoints);
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|     SpectrumSettings::CalibrationInterpolationMode& getCalibrationInterpMode() { return m_calibrationInterpMode; }
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|     void setCalibrationInterpMode(SpectrumSettings::CalibrationInterpolationMode mode);
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| 
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| private:
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|     struct ChannelMarkerState {
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|         ChannelMarker* m_channelMarker;
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|         QMatrix4x4 m_glMatrixWaterfall;
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|         QMatrix4x4 m_glMatrixDsbWaterfall;
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|         QMatrix4x4 m_glMatrixFreqScale;
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|         QMatrix4x4 m_glMatrixDsbFreqScale;
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|         QMatrix4x4 m_glMatrixHistogram;
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|         QMatrix4x4 m_glMatrixDsbHistogram;
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|         QRect m_rect;
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| 
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|         ChannelMarkerState(ChannelMarker* channelMarker) :
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|             m_channelMarker(channelMarker)
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|         { }
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|     };
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|     QList<ChannelMarkerState*> m_channelMarkerStates;
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| 
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|     enum CursorState {
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|         CSNormal,
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|         CSSplitter,
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|         CSSplitterMoving,
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|         CSChannel,
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|         CSChannelMoving
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|     };
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| 
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|     QList<SpectrumHistogramMarker> m_histogramMarkers;
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|     QList<SpectrumWaterfallMarker> m_waterfallMarkers;
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|     QList<SpectrumAnnotationMarker> m_annotationMarkers;
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|     QList<SpectrumAnnotationMarker*> m_sortedAnnotationMarkers;
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|     QList<SpectrumAnnotationMarker*> m_visibleAnnotationMarkers;
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|     SpectrumSettings::MarkersDisplay m_markersDisplay;
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|     QList<SpectrumCalibrationPoint> m_calibrationPoints;
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| 
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|     CursorState m_cursorState;
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|     int m_cursorChannel;
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| 
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|     SpectrumVis* m_spectrumVis;
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|     QTimer m_timer;
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|     int m_fpsPeriodMs;
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|     QMutex m_mutex;
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|     bool m_mouseInside;
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|     bool m_changesPending;
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| 
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|     qint64 m_centerFrequency;
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|     Real m_referenceLevel;
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|     Real m_powerRange;
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|     bool m_linear;
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|     int m_decay;
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|     quint32 m_sampleRate;
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|     quint32 m_timingRate;
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|     int m_fftOverlap;
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| 
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|     int m_fftSize; //!< FFT size in number of bins
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|     int m_nbBins;  //!< Number of visible FFT bins (zoom support)
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| 
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|     bool m_displayGrid;
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|     int m_displayGridIntensity;
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|     int m_displayTraceIntensity;
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|     bool m_invertedWaterfall;
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| 
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|     std::vector<Real> m_maxHold;
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|     bool m_displayMaxHold;
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|     const Real *m_currentSpectrum;
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|     bool m_displayCurrent;
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| 
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|     Real m_waterfallShare;
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| 
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|     int m_leftMargin;
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|     int m_rightMargin;
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|     int m_topMargin;
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|     int m_frequencyScaleHeight;
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|     int m_infoHeight;
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|     int m_histogramHeight;
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|     int m_waterfallHeight;
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|     int m_bottomMargin;
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|     QFont m_textOverlayFont;
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|     QPixmap m_leftMarginPixmap;
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|     QPixmap m_frequencyPixmap;
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|     QPixmap m_infoPixmap;
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|     ScaleEngine m_timeScale;
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|     ScaleEngine m_powerScale;
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|     ScaleEngine m_frequencyScale;
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|     QRectF m_histogramRect;
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|     QRect m_frequencyScaleRect;
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|     QRectF m_waterfallRect;
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|     QRect m_infoRect;
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|     QMatrix4x4 m_glFrequencyScaleBoxMatrix;
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|     QMatrix4x4 m_glLeftScaleBoxMatrix;
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|     QMatrix4x4 m_glInfoBoxMatrix;
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| 
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|     QRgb m_waterfallPalette[240];
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|     QImage* m_waterfallBuffer;
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|     int m_waterfallBufferPos;
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|     int m_waterfallTextureHeight;
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|     int m_waterfallTexturePos;
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|     QMatrix4x4 m_glWaterfallBoxMatrix;
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|     bool m_displayWaterfall;
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|     bool m_ssbSpectrum;
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|     bool m_lsbDisplay;
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| 
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|     QRgb m_histogramPalette[240];
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|     QImage* m_histogramBuffer;
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|     quint8* m_histogram; //!< Spectrum phosphor matrix of FFT width and PSD height scaled to 100. values [0..239]
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|     int m_decayDivisor;
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|     int m_decayDivisorCount;
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|     int m_histogramStroke;
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|     QMatrix4x4 m_glHistogramSpectrumMatrix;
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|     QMatrix4x4 m_glHistogramBoxMatrix;
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|     bool m_displayHistogram;
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|     bool m_displayChanged;
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|     bool m_displaySourceOrSink;
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|     int m_displayStreamIndex;
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|     float m_frequencyZoomFactor;
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|     float m_frequencyZoomPos;
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|     static const float m_maxFrequencyZoom;
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|     static const float m_annotationMarkerHeight;
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| 
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|     GLShaderSimple m_glShaderSimple;
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|     GLShaderTextured m_glShaderLeftScale;
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|     GLShaderTextured m_glShaderFrequencyScale;
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|     GLShaderTextured m_glShaderWaterfall;
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|     GLShaderTextured m_glShaderHistogram;
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|     GLShaderTextured m_glShaderTextOverlay;
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|     GLShaderTextured m_glShaderInfo;
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|     int m_matrixLoc;
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|     int m_colorLoc;
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|     bool m_useCalibration;
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|     Real m_calibrationGain;
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|     Real m_calibrationShiftdB;
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|     SpectrumSettings::CalibrationInterpolationMode m_calibrationInterpMode;
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|     IncrementalArray<GLfloat> m_q3TickTime;
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|     IncrementalArray<GLfloat> m_q3TickFrequency;
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|     IncrementalArray<GLfloat> m_q3TickPower;
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|     IncrementalArray<GLfloat> m_q3FFT;
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| 
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|     MessageQueue *m_messageQueueToGUI;
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| 
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|     void updateWaterfall(const Real *spectrum);
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|     void updateHistogram(const Real *spectrum);
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| 
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|     void initializeGL();
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|     void resizeGL(int width, int height);
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|     void paintGL();
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|     void drawSpectrumMarkers();
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|     void drawAnnotationMarkers();
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| 
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|     void stopDrag();
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|     void applyChanges();
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| 
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|     void mouseMoveEvent(QMouseEvent* event);
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|     void mousePressEvent(QMouseEvent* event);
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|     void mouseReleaseEvent(QMouseEvent* event);
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|     void wheelEvent(QWheelEvent*);
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|     void channelMarkerMove(QWheelEvent*, int mul);
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|     void zoom(QWheelEvent*);
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|     void frequencyZoom(float pw);
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|     void frequencyPan(QMouseEvent*);
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|     void timeZoom(bool zoomInElseOut);
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|     void powerZoom(float pw, bool zoomInElseOut);
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|     void resetFrequencyZoom();
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|     void updateFFTLimits();
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|     void setFrequencyScale();
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|     void getFrequencyZoom(int64_t& centerFrequency, int& frequencySpan);
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| 
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|     void enterEvent(QEvent* event);
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|     void leaveEvent(QEvent* event);
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| 
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|     static QString displayScaled(int64_t value, char type, int precision, bool showMult);
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|     static QString displayScaledF(float value, char type, int precision, bool showMult);
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|     static QString displayPower(float value, char type, int precision);
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|     int getPrecision(int value);
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|     void drawTextOverlay(      //!< Draws a text overlay
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|             const QString& text,
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|             const QColor& color,
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|             const QFont& font,
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|             float shiftX,
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|             float shiftY,
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|             bool leftHalf,
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|             bool topHalf,
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|             const QRectF& glRect);
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|     void formatTextInfo(QString& info);
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|     void updateSortedAnnotationMarkers();
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| 
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|     static bool annotationDisplayLessThan(const SpectrumAnnotationMarker *m1, const SpectrumAnnotationMarker *m2)
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|     {
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|         if (m1->m_bandwidth == m2->m_bandwidth) {
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|             return m1->m_startFrequency < m2->m_startFrequency;
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|         } else {
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|             return m1->m_bandwidth > m2->m_bandwidth; // larger bandwidths should come first for display (lower layer)
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|         }
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|     }
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| 
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|     static bool calibrationPointsLessThan(const SpectrumCalibrationPoint& m1, const SpectrumCalibrationPoint& m2)
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|     {
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|         return m1.m_frequency < m2.m_frequency;
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|     }
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| 
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| private slots:
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|     void cleanup();
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|     void tick();
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|     void channelMarkerChanged();
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|     void channelMarkerDestroyed(QObject* object);
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| };
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| 
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| #endif // INCLUDE_GLSPECTRUM_H
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