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#include "rectanimation.h"
#include "dummyobject.h"
static inline int interpolateInteger(int from, int to, qreal progress)
{
return from + (to - from) * progress;
}
RectAnimation::RectAnimation(DummyObject *obj) : m_object(obj), m_dura(250)
{
}
void RectAnimation::setEndValue(const QRect &rect)
{
m_end = rect;
}
void RectAnimation::setStartValue(const QRect &rect)
{
m_start = rect;
}
void RectAnimation::setDuration(int d)
{
m_dura = d;
}
int RectAnimation::duration() const
{
return m_dura;
}
void RectAnimation::updateCurrentTime(int msecs)
{
qreal progress = m_easing.valueForProgress( qreal(msecs) / qreal(m_dura) );
QRect now;
now.setCoords(interpolateInteger(m_start.left(), m_end.left(), progress),
interpolateInteger(m_start.top(), m_end.top(), progress),
interpolateInteger(m_start.right(), m_end.right(), progress),
interpolateInteger(m_start.bottom(), m_end.bottom(), progress));
bool changed = (now != m_current);
if (changed)
m_current = now;
if (state() == Stopped)
return;
if (m_object)
m_object->setRect(m_current);
}
void RectAnimation::updateState(QAbstractAnimation::State state)
{
Q_UNUSED(state);
}
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