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sdrangel/sdrgui/gui/glspectrum.h

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