58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
#ifndef TIMELINESCALEDOBJECT_H
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#define TIMELINESCALEDOBJECT_H
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#include <QWidget>
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#include "common/rational.h"
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class TimelineScaledObject
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{
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public:
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TimelineScaledObject();
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virtual ~TimelineScaledObject() = default;
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void SetTimebase(const rational &timebase);
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const rational& timebase() const;
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const double& timebase_dbl() const;
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static rational SceneToTime(const double &x, const double& x_scale, const rational& timebase, bool round = false);
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const double& GetScale() const;
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void SetScale(const double& scale);
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protected:
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double TimeToScene(const rational& time);
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rational SceneToTime(const double &x, bool round = false);
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virtual void TimebaseChangedEvent(const rational&){}
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virtual void ScaleChangedEvent(const double&){}
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void SetMaximumScale(const double& max);
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void SetMinimumScale(const double& min);
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private:
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rational timebase_;
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double timebase_dbl_;
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double scale_;
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double min_scale_;
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double max_scale_;
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};
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class TimelineScaledWidget : public QWidget, public TimelineScaledObject
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{
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Q_OBJECT
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public:
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TimelineScaledWidget(QWidget* parent = nullptr);
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};
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#endif // TIMELINESCALEDOBJECT_H
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