void KReportPosition::setPointPos(const QPointF& pos, UpdatePropertyFlag update)
{
m_pointPos.setX(pos.x());
m_pointPos.setY(pos.y());
if (update == UpdateProperty)
m_property->setValue(toUnit());
}
void KReportPosition::setUnitPos(const QPointF& pos, UpdatePropertyFlag update)
{
const qreal x = m_unit.fromUserValue(pos.x());
const qreal y = m_unit.fromUserValue(pos.y());
m_pointPos.setX(x);
m_pointPos.setY(y);
if (update == UpdateProperty)
m_property->setValue(toUnit());
}
void KReportPosition::setScenePos(const QPointF& pos, UpdatePropertyFlag update)
{
QScreen *srn = QApplication::screens().at(0);
const qreal x = INCH_TO_POINT(pos.x() / srn->logicalDotsPerInchX());
const qreal y = INCH_TO_POINT(pos.y() / srn->logicalDotsPerInchY());
m_pointPos.setX(x);
m_pointPos.setY(y);
if (update == UpdateProperty)
m_property->setValue(toUnit());
}
void Quaternion2::GetAxisAngle(double &theta, double &xx, double &yy, double &zz)
{
toUnit();
theta = 2 * acos(w);
double s = sqrt(1 - w * w); // assuming Quaternion2 normalised then w is less than 1, so term always positive.
if (s < 0.001) { // test to avoid divide by zero, s is always positive due to sqrt
// if s close to zero then direction of axis not important
xx = x; // if it is important that axis is normalised then replace with x=1; y=z=0;
yy = y;
zz = z;
} else {
xx = x / s; // normalise axis
yy = y / s;
zz = z / s;
}
}
void KReportPosition::setUnit(const KReportUnit& u)
{
m_unit = u;
m_property->setValue(toUnit());
}