mirror of
https://github.com/f4exb/sdrangel.git
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526 lines
19 KiB
C++
526 lines
19 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_GLSPECTRUMVIEW_H
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#define INCLUDE_GLSPECTRUMVIEW_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 <QPoint>
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#include <QOpenGLWidget>
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#include <QOpenGLDebugLogger>
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#include "gui/qtcompatibility.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 "gui/glshadercolormap.h"
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#include "dsp/glspectruminterface.h"
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#include "gui/glshaderspectrogram.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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#include "util/colormap.h"
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#include "util/peakfinder.h"
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class QOpenGLShaderProgram;
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class MessageQueue;
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class SpectrumVis;
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class QOpenGLDebugLogger;
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class SpectrumMeasurements;
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class SDRGUI_API GLSpectrumView : public QOpenGLWidget, 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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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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class MsgReportWaterfallShare : public Message {
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MESSAGE_CLASS_DECLARATION
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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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Real getWaterfallShare() const { return m_waterfallShare; }
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private:
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Real m_waterfallShare;
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};
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class MsgReportFFTOverlap : public Message {
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MESSAGE_CLASS_DECLARATION
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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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int getOverlap() const { return m_overlap; }
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private:
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int m_overlap;
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};
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class MsgReportPowerScale : public Message {
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MESSAGE_CLASS_DECLARATION
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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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Real getRefLevel() const { return m_refLevel; }
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Real getRange() const { return m_range; }
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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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class MsgReportCalibrationShift : public Message {
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MESSAGE_CLASS_DECLARATION
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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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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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class MsgReportHistogramMarkersChange : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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MsgReportHistogramMarkersChange() :
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Message()
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{}
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};
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class MsgReportWaterfallMarkersChange : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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MsgReportWaterfallMarkersChange() :
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Message()
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{}
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};
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GLSpectrumView(QWidget* parent = nullptr);
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virtual ~GLSpectrumView();
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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 setDisplay3DSpectrogram(bool display);
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void set3DSpectrogramStyle(SpectrumSettings::SpectrogramStyle style);
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void setColorMapName(const QString &colorMapName);
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void setSpectrumStyle(SpectrumSettings::SpectrumStyle style);
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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 setFreqScaleTruncationMode(bool mode);
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void setLinear(bool linear);
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void setUseCalibration(bool useCalibration);
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void setMeasurements(SpectrumMeasurements *measurements) { m_measurements = measurements; }
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void setMeasurementParams(SpectrumSettings::Measurement measurement,
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int centerFrequencyOffset, int bandwidth, int chSpacing, int adjChBandwidth,
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int harmonics, int peaks, bool highlight, int precision);
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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 Real* spectrum, int nbBins, 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 setFPSPeriodMs(int fpsPeriodMs);
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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 updateHistogramPeaks();
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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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bool& getHistogramFindPeaks() { return m_histogramFindPeaks; }
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void setHistogramFindPeaks(bool value) { m_histogramFindPeaks = value; }
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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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void setIsDeviceSpectrum(bool isDeviceSpectrum) { m_isDeviceSpectrum = isDeviceSpectrum; }
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bool isDeviceSpectrum() const { return m_isDeviceSpectrum; }
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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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QRectF 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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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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bool m_histogramFindPeaks;
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PeakFinder m_peakFinder;
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QList<SpectrumCalibrationPoint> m_calibrationPoints;
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CursorState m_cursorState;
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int m_cursorChannel;
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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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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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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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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 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_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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QString m_peakFrequencyMaxStr;
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QString m_peakPowerMaxStr;
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QString m_peakPowerUnits;
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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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QImage* m_3DSpectrogramBuffer;
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int m_3DSpectrogramBufferPos;
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int m_3DSpectrogramTextureHeight;
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int m_3DSpectrogramTexturePos;
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bool m_display3DSpectrogram;
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bool m_rotate3DSpectrogram; //!< Set when mouse is pressed in 3D spectrogram area for rotation when mouse is moved
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bool m_pan3DSpectrogram;
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bool m_scaleZ3DSpectrogram;
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QPointF m_mousePrevLocalPos; //!< Position of the mouse for last event
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int m_3DSpectrogramBottom;
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QPixmap m_spectrogramTimePixmap;
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QPixmap m_spectrogramPowerPixmap;
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SpectrumSettings::SpectrogramStyle m_3DSpectrogramStyle;
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QString m_colorMapName;
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SpectrumSettings::SpectrumStyle m_spectrumStyle;
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const float *m_colorMap;
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bool m_scrollFrequency;
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qint64 m_scrollStartCenterFreq;
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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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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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GLShaderColorMap m_glShaderColorMap;
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GLShaderTextured m_glShaderTextOverlay;
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GLShaderTextured m_glShaderInfo;
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GLShaderSpectrogram m_glShaderSpectrogram;
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GLShaderTextured m_glShaderSpectrogramTimeScale;
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GLShaderTextured m_glShaderSpectrogramPowerScale;
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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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IncrementalArray<GLfloat> m_q3ColorMap;
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MessageQueue *m_messageQueueToGUI;
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QOpenGLDebugLogger *m_openGLLogger;
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bool m_isDeviceSpectrum;
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SpectrumMeasurements *m_measurements;
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SpectrumSettings::Measurement m_measurement;
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int m_measurementCenterFrequencyOffset;
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int m_measurementBandwidth;
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int m_measurementChSpacing;
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int m_measurementAdjChBandwidth;
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int m_measurementHarmonics;
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int m_measurementPeaks;
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bool m_measurementHighlight;
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int m_measurementPrecision;
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static const QVector4D m_measurementLightMarkerColor;
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static const QVector4D m_measurementDarkMarkerColor;
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void updateWaterfall(const Real *spectrum);
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void update3DSpectrogram(const Real *spectrum);
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void updateHistogram(const 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 drawPowerBandMarkers(float max, float min, const QVector4D &color);
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void drawBandwidthMarkers(int64_t centerFrequency, int bandwidth, const QVector4D &color);
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void drawPeakMarkers(int64_t startFrequency, int64_t endFrequency, const QVector4D &color);
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void drawSpectrumMarkers();
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void drawAnnotationMarkers();
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void measurePeak();
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void measurePeaks();
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void measureChannelPower();
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void measureAdjacentChannelPower();
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void measureOccupiedBandwidth();
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void measure3dBBandwidth();
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void measureSNR();
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void measureSFDR();
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float calcChannelPower(int64_t centerFrequency, int channelBandwidth) const;
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float calPower(float power) const;
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int findPeakBin(const Real *spectrum) const;
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void findPeak(float &power, float &frequency) const;
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void peakWidth(const Real *spectrum, int center, int &left, int &right, int maxLeft, int maxRight) const;
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int frequencyToBin(int64_t frequency) const;
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int64_t binToFrequency(int bin) const;
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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 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 setPowerScale(int height);
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void getFrequencyZoom(int64_t& centerFrequency, int& frequencySpan);
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bool pointInWaterfallOrSpectrogram(const QPointF &point) const;
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bool pointInHistogram(const QPointF &point) const;
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void enterEvent(EnterEventType* event);
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void leaveEvent(QEvent* event);
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static QString displayFull(int64_t value);
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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 drawTextRight(const QString &text, const QString &value, const QString &max, const QString &units);
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void drawTextsRight(const QStringList &text, const QStringList &value, const QStringList &max, const QStringList &units);
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void drawTextOverlayCentered(
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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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const QRectF& glRect);
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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,
|
|
bool leftHalf,
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|
bool topHalf,
|
|
const QRectF& glRect);
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|
void formatTextInfo(QString& info);
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|
void updateSortedAnnotationMarkers();
|
|
|
|
static bool annotationDisplayLessThan(const SpectrumAnnotationMarker *m1, const SpectrumAnnotationMarker *m2)
|
|
{
|
|
if (m1->m_bandwidth == m2->m_bandwidth) {
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|
return m1->m_startFrequency < m2->m_startFrequency;
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} else {
|
|
return m1->m_bandwidth > m2->m_bandwidth; // larger bandwidths should come first for display (lower layer)
|
|
}
|
|
}
|
|
|
|
static bool calibrationPointsLessThan(const SpectrumCalibrationPoint& m1, const SpectrumCalibrationPoint& m2)
|
|
{
|
|
return m1.m_frequency < m2.m_frequency;
|
|
}
|
|
|
|
private slots:
|
|
void cleanup();
|
|
void tick();
|
|
void channelMarkerChanged();
|
|
void channelMarkerDestroyed(QObject* object);
|
|
void openGLDebug(const QOpenGLDebugMessage &debugMessage);
|
|
bool eventFilter(QObject *object, QEvent *event);
|
|
|
|
signals:
|
|
// Emitted when user tries to scroll to frequency currently out of range
|
|
void requestCenterFrequency(qint64 frequency);
|
|
};
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|
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#endif // INCLUDE_GLSPECTRUMVIEW_H
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