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83 lines
3.2 KiB
C++
83 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 F4EXB //
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// written by Edouard Griffiths //
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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 SDRGUI_DSP_SCOPEVISXY_H_
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#define SDRGUI_DSP_SCOPEVISXY_H_
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#include "dsp/basebandsamplesink.h"
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#include "export.h"
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#include "util/messagequeue.h"
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#include <QObject>
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#include <QColor>
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#include <vector>
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#include <complex>
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class TVScreen;
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class SDRGUI_API ScopeVisXY : public QObject, public BasebandSampleSink {
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Q_OBJECT
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public:
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ScopeVisXY(TVScreen *tvScreen);
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virtual ~ScopeVisXY();
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using BasebandSampleSink::feed;
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
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virtual void start();
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virtual void stop();
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virtual void pushMessage(Message *msg) { m_inputMessageQueue.push(msg); }
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virtual QString getSinkName() { return objectName(); }
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void setScale(float scale) { m_scale = scale; }
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void setStroke(int stroke) { m_alphaTrace = stroke; }
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void setDecay(int decay) { m_alphaReset = 255 - decay; }
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void setPixelsPerFrame(int pixelsPerFrame);
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void setPlotRGB(const QRgb& plotRGB) { m_plotRGB = plotRGB; }
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void setGridRGB(const QRgb& gridRGB) { m_gridRGB = gridRGB; }
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void addGraticulePoint(const std::complex<float>& z);
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void calculateGraticule(int rows, int cols);
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void clearGraticule();
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private:
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virtual bool handleMessage(const Message& message);
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void drawGraticule();
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TVScreen *m_tvScreen;
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float m_scale;
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int m_cols;
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int m_rows;
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int m_pixelsPerFrame;
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int m_pixelCount;
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int m_alphaTrace; //!< this is the stroke value [0:255]
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int m_alphaReset; //!< alpha channel of screen blanking (blackening) is 255 minus decay value [0:255]
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QRgb m_plotRGB;
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QRgb m_gridRGB;
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std::vector<std::complex<float> > m_graticule;
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std::vector<int> m_graticuleRows;
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std::vector<int> m_graticuleCols;
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MessageQueue m_inputMessageQueue;
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private slots:
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void handleInputMessages();
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};
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#endif /* SDRGUI_DSP_SCOPEVISXY_H_ */
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