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https://github.com/ElvishArtisan/rivendell.git
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7ed04f1392
* Fixed regressions in metering code that caused visual artifacts. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
// rdsegmeter.h
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//
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// An audio meter display widget.
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//
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// (C) Copyright 2002-2021 Fred Gleason <fredg@paravelsystems.com>
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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 Library General Public License
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// version 2 as published by the Free Software Foundation.
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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
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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//
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#ifndef RDSEGMETER_H
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#define RDSEGMETER_H
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#include <QColor>
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#include <QPainter>
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#include <QPaintEvent>
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#include <QSizePolicy>
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#include <QTimer>
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#include <QWidget>
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/*
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* Default Colors
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*/
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#define DEFAULT_LOW_COLOR Qt::green
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#define DEFAULT_DARK_LOW_COLOR 0,80,0
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#define DEFAULT_HIGH_COLOR Qt::yellow
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#define DEFAULT_DARK_HIGH_COLOR 75,75,0
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#define DEFAULT_CLIP_COLOR Qt::red
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#define DEFAULT_DARK_CLIP_COLOR 85,0,0
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/*
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* Global Settings
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*/
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#define PEAK_HOLD_TIME 750
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class RDSegMeter : public QWidget
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{
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Q_OBJECT
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public:
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enum Mode {Independent=0,Peak=1};
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enum Orientation {Left=0,Right=1,Up=2,Down=3};
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RDSegMeter(RDSegMeter::Orientation o,QWidget *parent=0);
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QSize sizeHint() const;
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QSizePolicy sizePolicy() const;
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void setRange(int min,int max);
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void setDarkLowColor(QColor color);
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void setDarkHighColor(QColor color);
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void setDarkClipColor(QColor color);
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void setLowColor(QColor color);
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void setHighColor(QColor color);
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void setClipColor(QColor color);
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void setHighThreshold(int level);
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void setClipThreshold(int level);
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void setSegmentSize(int size);
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void setSegmentGap(int gap);
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RDSegMeter::Mode mode() const;
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void setMode(RDSegMeter::Mode mode);
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public slots:
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void setSolidBar(int level);
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void setFloatingBar(int level);
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void setPeakBar(int level);
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protected:
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void paintEvent(QPaintEvent *);
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private slots:
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void peakData();
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private:
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RDSegMeter::Orientation orient;
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RDSegMeter::Mode seg_mode;
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QTimer *peak_timer;
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int range_min,range_max;
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QColor dark_low_color;
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QColor dark_high_color;
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QColor dark_clip_color;
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QColor low_color;
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QColor high_color;
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QColor clip_color;
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int high_threshold,clip_threshold;
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int solid_bar,floating_bar;
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int seg_size,seg_gap;
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};
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#endif // RDSEGMETER_H
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