33 lines
584 B
C++
33 lines
584 B
C++
#include "timelineviewrect.h"
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TimelineViewRect::TimelineViewRect(QGraphicsItem* parent) :
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QGraphicsRectItem(parent),
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scale_(1.0)
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{
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}
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void TimelineViewRect::SetTimebase(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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UpdateRect();
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}
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void TimelineViewRect::SetScale(const double &scale)
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{
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scale_ = scale;
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UpdateRect();
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}
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bool TimelineViewRect::TimebaseIsValid()
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{
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return timebase_.denominator() != 0;
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}
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double TimelineViewRect::TimeToScreenCoord(const rational &time)
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{
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return time.toDouble() / timebase_dbl_ * scale_;
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}
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