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https://github.com/miek/inspectrum.git
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54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
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* Copyright (C) 2015-2016, Mike Walters <mike@flomp.net>
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*
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* This file is part of inspectrum.
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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, either 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 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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#pragma once
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#include <QDockWidget>
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#include <QPaintEvent>
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#include "inputsource.h"
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class PlotView : public QDockWidget
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{
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Q_OBJECT
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public:
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PlotView();
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public slots:
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void inputSourceChanged(AbstractSampleSource *input);
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void viewChanged(off_t firstSample, off_t lastSample);
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void selectionChanged(std::pair<off_t, off_t> selectionTime, std::pair<float, float> selectionFreq);
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void selectionCleared();
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protected:
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void paintEvent(QPaintEvent *event);
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private:
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SampleSource<std::complex<float>> *mainSampleSource = nullptr;
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std::vector<std::unique_ptr<AbstractSampleSource>> sampleSources;
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off_t firstSample = 0;
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off_t lastSample = 0;
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bool selection = false;
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std::pair<off_t, off_t> selectionTime;
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std::pair<float, float> selectionFreq;
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QRgb colormap[255];
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void refreshSources();
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void plot(QPainter *painter, QRect &rect, float *samples, off_t count, int step);
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}; |