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c3b4d5188a
Replace old spectrum analyzer by new one with higher resolution and many new features. Resolves #2847.
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/* SaWaterfallView.h - declaration of SaWaterfallView class.
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*
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* Copyright (c) 2019 Martin Pavelek <he29/dot/HS/at/gmail/dot/com>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef SAWATERFALLVIEW_H
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#define SAWATERFALLVIEW_H
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#include <string>
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#include <utility>
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#include <vector>
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#include <QPainter>
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#include <QWidget>
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#include "SaControls.h"
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#include "SaProcessor.h"
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// Widget that displays a spectrum waterfall (spectrogram) and time labels.
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class SaWaterfallView : public QWidget
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{
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Q_OBJECT
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public:
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explicit SaWaterfallView(SaControls *controls, SaProcessor *processor, QWidget *_parent = 0);
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virtual ~SaWaterfallView() {}
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QSize sizeHint() const override {return QSize(400, 350);}
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// Check if waterfall should be displayed and adjust window size if needed.
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void updateVisibility();
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protected:
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void paintEvent(QPaintEvent *event) override;
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private slots:
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void periodicUpdate();
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private:
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const SaControls *m_controls;
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SaProcessor *m_processor;
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const EffectControlDialog *m_controlDialog;
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// Methods and data used to make time labels
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float m_oldTimePerLine;
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float timeToYPixel(float time, int height);
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std::vector<std::pair<float, std::string>> makeTimeTics();
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std::vector<std::pair<float, std::string>> m_timeTics; // 0..n (s)
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};
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#endif // SAWATERFALLVIEW_H
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