38 lines
794 B
C++
38 lines
794 B
C++
#include "timelinescaledobject.h"
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TimelineScaledObject::TimelineScaledObject() :
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scale_(1.0)
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{
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}
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const rational &TimelineScaledObject::timebase()
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{
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return timebase_;
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}
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const double &TimelineScaledObject::timebase_dbl()
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{
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return timebase_dbl_;
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}
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double TimelineScaledObject::TimeToScene(const rational &time)
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{
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return time.toDouble() * scale_;
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}
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rational TimelineScaledObject::SceneToTime(const double &x)
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{
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// Adjust screen point by scale and timebase
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qint64 scaled_x_mvmt = qRound64(x / scale_ / timebase_dbl_);
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// Return a time in the timebase
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return rational(scaled_x_mvmt * timebase_.numerator(), timebase_.denominator());
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}
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void TimelineScaledObject::SetTimebaseInternal(const rational &timebase)
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{
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timebase_ = timebase;
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timebase_dbl_ = timebase_.toDouble();
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}
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