26 lines
507 B
C++
26 lines
507 B
C++
#ifndef SPECTRUMWIDGET_H
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#define SPECTRUMWIDGET_H
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#include <QWidget>
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#include <QVector>
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#include <QTimer>
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class SpectrumWidget : public QWidget {
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Q_OBJECT
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public:
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explicit SpectrumWidget(int barCount = 12, QWidget* parent = nullptr);
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void updateLevels(const QVector<float>& levels);
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void reset();
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protected:
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void paintEvent(QPaintEvent* event) override;
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private:
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int _barCount;
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QVector<float> _current;
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QVector<float> _peak;
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QTimer* _decayTimer = nullptr;
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};
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#endif
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