/*!
Sets the type of the easing curve to \a type.
*/
void QtEasingCurve::setType(Type type)
{
qreal amp = -1.0;
qreal period = -1.0;
if (d_ptr->config) {
amp = d_ptr->config->_a;
period = d_ptr->config->_p;
delete d_ptr->config;
d_ptr->config = 0;
}
if (isConfigFunction(type) || (amp != -1.0) || (period != -1.0)) {
d_ptr->config = curveToFunctionObject(type);
if (amp)
d_ptr->config->_a = amp;
if (period)
d_ptr->config->_p = period;
} else {
d_ptr->func = curveToFunc(type);
if (!d_ptr->func) {
qWarning("QtEasingCurve: Invalid curve type %d", type);
return;
}
}
d_ptr->type = type;
}
void QEasingCurvePrivate::setType_helper(QEasingCurve::Type newType)
{
qreal amp = -1.0;
qreal period = -1.0;
qreal overshoot = -1.0;
if (config) {
amp = config->_a;
period = config->_p;
overshoot = config->_o;
delete config;
config = 0;
}
if (isConfigFunction(newType) || (amp != -1.0) || (period != -1.0) || (overshoot != -1.0)) {
config = curveToFunctionObject(newType);
if (amp != -1.0)
config->_a = amp;
if (period != -1.0)
config->_p = period;
if (overshoot != -1.0)
config->_o = overshoot;
func = 0;
} else if (newType != QEasingCurve::Custom) {
func = curveToFunc(newType);
}
Q_ASSERT((func == 0) == (config != 0));
type = newType;
}
/*!
Sets the period to \a period.
\sa period()
*/
void QtEasingCurve::setPeriod(qreal period)
{
if (!d_ptr->config)
d_ptr->config = curveToFunctionObject(d_ptr->type);
d_ptr->config->_p = period;
}
/*!
Sets the amplitude to \a amplitude.
\sa amplitude()
*/
void QtEasingCurve::setAmplitude(qreal amplitude)
{
if (!d_ptr->config)
d_ptr->config = curveToFunctionObject(d_ptr->type);
d_ptr->config->_a = amplitude;
}
/*!
Sets the overshoot to \a overshoot.
0 produces no overshoot, and the default value of 1.70158 produces an overshoot of 10 percent.
\sa overshoot()
*/
void QEasingCurve::setOvershoot(qreal overshoot)
{
if (!d_ptr->config)
d_ptr->config = curveToFunctionObject(d_ptr->type);
d_ptr->config->_o = overshoot;
}
