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sdrangel/include-gpl/gui/glspectrum.h

164 lines
4.6 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// //
// 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 //
// //
// 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 <QGLWidget>
#include <QTimer>
#include <QMutex>
#include "dsp/dsptypes.h"
#include "gui/scaleengine.h"
#include "dsp/channelmarker.h"
#include "util/export.h"
class SDRANGELOVE_API GLSpectrum : public QGLWidget {
Q_OBJECT
public:
GLSpectrum(QWidget* parent = NULL);
~GLSpectrum();
void setCenterFrequency(quint64 frequency);
void setSampleRate(qint32 sampleRate);
void setReferenceLevel(Real referenceLevel);
void setPowerRange(Real powerRange);
void setDecay(int decay);
void setDisplayWaterfall(bool display);
void setSsbSpectrum(bool ssbSpectrum);
void setInvertedWaterfall(bool inv);
void setDisplayMaxHold(bool display);
void setDisplayHistogram(bool display);
void setDisplayGrid(bool display);
void setDisplayGridIntensity(int intensity);
void addChannelMarker(ChannelMarker* channelMarker);
void removeChannelMarker(ChannelMarker* channelMarker);
void newSpectrum(const std::vector<Real>& spectrum, int fftSize);
private:
struct ChannelMarkerState {
ChannelMarker* m_channelMarker;
QRectF m_glRect;
QRectF m_glRectDsb;
QRect m_rect;
ChannelMarkerState(ChannelMarker* channelMarker) :
m_channelMarker(channelMarker),
m_glRect(),
m_glRectDsb()
{ }
};
QList<ChannelMarkerState*> m_channelMarkerStates;
enum CursorState {
CSNormal,
CSSplitter,
CSSplitterMoving,
CSChannel,
CSChannelMoving
};
CursorState m_cursorState;
int m_cursorChannel;
QTimer m_timer;
QMutex m_mutex;
bool m_mouseInside;
bool m_changesPending;
qint64 m_centerFrequency;
Real m_referenceLevel;
Real m_powerRange;
int m_decay;
quint32 m_sampleRate;
int m_fftSize;
bool m_displayGrid;
int m_displayGridIntensity;
bool m_invertedWaterfall;
std::vector<Real> m_maxHold;
bool m_displayMaxHold;
Real m_waterfallShare;
QPixmap m_leftMarginPixmap;
bool m_leftMarginTextureAllocated;
GLuint m_leftMarginTexture;
QPixmap m_frequencyPixmap;
bool m_frequencyTextureAllocated;
GLuint m_frequencyTexture;
ScaleEngine m_timeScale;
ScaleEngine m_powerScale;
ScaleEngine m_frequencyScale;
QRectF m_glLeftScaleRect;
QRectF m_glFrequencyScaleRect;
QRect m_frequencyScaleRect;
QRgb m_waterfallPalette[240];
QImage* m_waterfallBuffer;
int m_waterfallBufferPos;
bool m_waterfallTextureAllocated;
GLuint m_waterfallTexture;
int m_waterfallTextureHeight;
int m_waterfallTexturePos;
QRectF m_glWaterfallRect;
bool m_displayWaterfall;
bool m_ssbSpectrum;
QRgb m_histogramPalette[240];
QImage* m_histogramBuffer;
quint8* m_histogram;
quint8* m_histogramHoldoff;
bool m_histogramTextureAllocated;
GLuint m_histogramTexture;
int m_histogramHoldoffBase;
int m_histogramHoldoffCount;
int m_histogramLateHoldoff;
QRectF m_glHistogramRect;
bool m_displayHistogram;
bool m_displayChanged;
void updateWaterfall(const std::vector<Real>& spectrum);
void updateHistogram(const std::vector<Real>& spectrum);
void initializeGL();
void resizeGL(int width, int height);
void paintGL();
void stopDrag();
void applyChanges();
void mouseMoveEvent(QMouseEvent* event);
void mousePressEvent(QMouseEvent* event);
void mouseReleaseEvent(QMouseEvent* event);
void enterEvent(QEvent* event);
void leaveEvent(QEvent* event);
private slots:
void tick();
void channelMarkerChanged();
void channelMarkerDestroyed(QObject* object);
};
#endif // INCLUDE_GLSPECTRUM_H