forked from sdr/sdrangelove
150 lines
4.3 KiB
C++
150 lines
4.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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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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// //
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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 <QGLWidget>
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#include <QTimer>
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#include <QMutex>
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#include "dsp/dsptypes.h"
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#include "gui/scaleengine.h"
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#include "dsp/channelmarker.h"
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#include "util/export.h"
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class SDRANGELOVE_API GLSpectrum : public QGLWidget {
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Q_OBJECT
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public:
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GLSpectrum(QWidget* parent = NULL);
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~GLSpectrum();
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void setCenterFrequency(quint64 frequency);
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void setSampleRate(qint32 sampleRate);
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void setReferenceLevel(Real referenceLevel);
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void setPowerRange(Real powerRange);
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void setDisplayWaterfall(bool display);
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void setInvertedWaterfall(bool inv);
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void setDisplayMaxHold(bool display);
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void setDisplayHistogram(bool display);
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void addChannelMarker(ChannelMarker* channelMarker);
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void removeChannelMarker(ChannelMarker* channelMarker);
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void newSpectrum(const std::vector<Real>& spectrum, int fftSize);
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private:
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struct ChannelMarkerState {
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ChannelMarker* m_channelMarker;
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QRectF m_glRect;
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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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m_glRect()
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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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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_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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quint32 m_sampleRate;
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int m_fftSize;
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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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Real m_waterfallShare;
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QPixmap m_leftMarginPixmap;
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bool m_leftMarginTextureAllocated;
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GLuint m_leftMarginTexture;
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QPixmap m_frequencyPixmap;
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bool m_frequencyTextureAllocated;
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GLuint m_frequencyTexture;
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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_glLeftScaleRect;
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QRectF m_glFrequencyScaleRect;
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QRect m_frequencyScaleRect;
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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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bool m_waterfallTextureAllocated;
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GLuint m_waterfallTexture;
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int m_waterfallTextureHeight;
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int m_waterfallTexturePos;
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QRectF m_glWaterfallRect;
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bool m_displayWaterfall;
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QRgb m_histogramPalette[240];
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QImage* m_histogramBuffer;
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quint8* m_histogram;
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quint8* m_histogramHoldoff;
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bool m_histogramTextureAllocated;
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GLuint m_histogramTexture;
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int m_histogramHoldoffBase;
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int m_histogramHoldoffCount;
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int m_histogramLateHoldoff;
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QRectF m_glHistogramRect;
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bool m_displayHistogram;
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bool m_displayChanged;
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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 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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private slots:
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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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