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sdrangel/sdrgui/dsp/scopevisxy.h

73 lines
2.8 KiB
C++

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