mirror of
https://github.com/f4exb/sdrangel.git
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350 lines
11 KiB
C++
350 lines
11 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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#ifndef INCLUDE_GLSPECTRUM_H
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#define INCLUDE_GLSPECTRUM_H
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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 <QGLWidget>
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#include "dsp/glspectruminterface.h"
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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/channelmarker.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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class QOpenGLShaderProgram;
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class MessageQueue;
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class SDRGUI_API GLSpectrum : public QGLWidget, public GLSpectrumInterface {
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Q_OBJECT
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public:
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class MsgReportSampleRate : public Message {
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MESSAGE_CLASS_DECLARATION
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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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m_sampleRate = sampleRate;
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}
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quint32 getSampleRate() const { return m_sampleRate; }
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private:
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quint32 m_sampleRate;
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};
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GLSpectrum(QWidget* parent = nullptr);
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virtual ~GLSpectrum();
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void setCenterFrequency(qint64 frequency);
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void setSampleRate(qint32 sampleRate);
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void setTimingRate(qint32 timingRate);
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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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qint32 getSampleRate() const { return m_sampleRate; }
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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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virtual void newSpectrum(const std::vector<Real>& spectrum, int fftSize);
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void clearSpectrumHistogram();
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Real getWaterfallShare() const { return m_waterfallShare; }
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void setWaterfallShare(Real waterfallShare);
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void connectTimer(const QTimer& timer);
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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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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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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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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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struct HistogramMarker {
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QPointF m_point;
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float m_frequency;
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float m_power;
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QString m_frequencyStr;
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QString m_powerStr;
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QString m_deltaFrequencyStr;
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QString m_deltaPowerStr;
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HistogramMarker() :
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m_point(0, 0),
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m_frequency(0),
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m_power(0),
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m_frequencyStr(),
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m_powerStr(),
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m_deltaFrequencyStr(),
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m_deltaPowerStr()
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{}
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HistogramMarker(
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const QPointF& point,
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float frequency,
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float power,
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const QString& frequencyStr,
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const QString& powerStr,
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const QString& deltaFrequencyStr,
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const QString& deltaPowerStr
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) :
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m_point(point),
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m_frequency(frequency),
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m_power(power),
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m_frequencyStr(frequencyStr),
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m_powerStr(powerStr),
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m_deltaFrequencyStr(deltaFrequencyStr),
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m_deltaPowerStr(deltaPowerStr)
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{}
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HistogramMarker(const HistogramMarker& other) :
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m_point(other.m_point),
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m_frequency(other.m_frequency),
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m_power(other.m_power),
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m_frequencyStr(other.m_frequencyStr),
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m_powerStr(other.m_powerStr),
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m_deltaFrequencyStr(other.m_deltaFrequencyStr),
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m_deltaPowerStr(other.m_deltaPowerStr)
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{}
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};
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QList<HistogramMarker> m_histogramMarkers;
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struct WaterfallMarker {
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QPointF m_point;
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float m_frequency;
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float m_time;
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QString m_frequencyStr;
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QString m_timeStr;
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QString m_deltaFrequencyStr;
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QString m_deltaTimeStr;
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WaterfallMarker() :
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m_point(0, 0),
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m_frequency(0),
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m_time(0),
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m_frequencyStr(),
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m_timeStr(),
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m_deltaFrequencyStr(),
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m_deltaTimeStr()
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{}
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WaterfallMarker(
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const QPointF& point,
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float frequency,
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float time,
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const QString& frequencyStr,
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const QString& timeStr,
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const QString& deltaFrequencyStr,
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const QString& deltaTimeStr
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) :
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m_point(point),
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m_frequency(frequency),
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m_time(time),
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m_frequencyStr(frequencyStr),
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m_timeStr(timeStr),
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m_deltaFrequencyStr(deltaFrequencyStr),
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m_deltaTimeStr(deltaTimeStr)
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{}
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WaterfallMarker(const WaterfallMarker& other) :
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m_point(other.m_point),
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m_frequency(other.m_frequency),
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m_time(other.m_time),
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m_frequencyStr(other.m_frequencyStr),
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m_timeStr(other.m_timeStr),
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m_deltaFrequencyStr(other.m_deltaFrequencyStr),
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m_deltaTimeStr(other.m_deltaTimeStr)
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{}
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};
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QList<WaterfallMarker> m_waterfallMarkers;
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CursorState m_cursorState;
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int m_cursorChannel;
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QTimer m_timer;
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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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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_fftSize;
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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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std::vector<Real> m_maxHold;
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bool m_displayMaxHold;
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const std::vector<Real> *m_currentSpectrum;
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bool m_displayCurrent;
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Real m_waterfallShare;
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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_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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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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QMatrix4x4 m_glFrequencyScaleBoxMatrix;
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QMatrix4x4 m_glLeftScaleBoxMatrix;
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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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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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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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int m_matrixLoc;
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int m_colorLoc;
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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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MessageQueue *m_messageQueueToGUI;
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static const int m_waterfallBufferHeight = 256;
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void updateWaterfall(const std::vector<Real>& spectrum);
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void updateHistogram(const std::vector<Real>& spectrum);
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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 drawMarkers();
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void stopDrag();
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void applyChanges();
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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 enterEvent(QEvent* event);
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void leaveEvent(QEvent* event);
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QString displayScaled(int64_t value, char type, int precision, bool showMult);
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QString displayScaledF(float value, char type, int precision, bool showMult);
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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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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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#endif // INCLUDE_GLSPECTRUM_H
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