mirror of
https://github.com/miek/inspectrum.git
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97 lines
2.8 KiB
C++
97 lines
2.8 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 <QGraphicsView>
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#include <QPaintEvent>
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#include "cursors.h"
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#include "inputsource.h"
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#include "plot.h"
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#include "samplesource.h"
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#include "spectrogramplot.h"
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#include "traceplot.h"
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class PlotView : public QGraphicsView, Subscriber
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{
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Q_OBJECT
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public:
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PlotView(InputSource *input);
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void setSampleRate(size_t rate);
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signals:
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void timeSelectionChanged(float time);
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public slots:
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void cursorsMoved();
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void enableCursors(bool enabled);
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void enableScales(bool enabled);
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void invalidateEvent();
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void repaint();
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void setCursorSegments(int segments);
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void setFFTSize(int fftSize);
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void setPowerMin(int power);
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void setPowerMax(int power);
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void zoomIn();
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void zoomOut();
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protected:
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void contextMenuEvent(QContextMenuEvent * event) override;
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void paintEvent(QPaintEvent *event);
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void resizeEvent(QResizeEvent * event);
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void scrollContentsBy(int dx, int dy);
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bool viewportEvent(QEvent *event) override;
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private:
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Cursors cursors;
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SampleSource<std::complex<float>> *mainSampleSource = nullptr;
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SpectrogramPlot *spectrogramPlot = nullptr;
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std::vector<std::unique_ptr<Plot>> plots;
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range_t<size_t> viewRange;
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range_t<size_t> selectedSamples;
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int zoomPos;
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size_t zoomSample;
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int fftSize = 1024;
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int zoomLevel = 1;
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int powerMin;
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int powerMax;
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bool cursorsEnabled;
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size_t sampleRate = 0;
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bool timeScaleEnabled;
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int scrollZoomStepsAccumulated = 0;
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void addPlot(Plot *plot);
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void emitTimeSelection();
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void extractSymbols(std::shared_ptr<AbstractSampleSource> src);
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void exportSamples(std::shared_ptr<AbstractSampleSource> src);
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template<typename SOURCETYPE> void exportSamples(std::shared_ptr<AbstractSampleSource> src);
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int plotsHeight();
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size_t samplesPerColumn();
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void setFFTAndZoom(int fftSize, int zoomLevel);
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void updateViewRange(bool reCenter);
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void updateView(bool reCenter = false);
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void paintTimeScale(QPainter &painter, QRect &rect, range_t<size_t> sampleRange);
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int sampleToColumn(size_t sample);
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size_t columnToSample(int col);
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};
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