void InterpolationEffect::getActiveInterpolations(double fraction, double iterationDuration, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>& result) const
{
if (!result)
result = adoptPtrWillBeNoop(new WillBeHeapVector<RefPtrWillBeMember<Interpolation>>());
size_t existingSize = result->size();
size_t resultIndex = 0;
for (const auto& record : m_interpolations) {
if (fraction >= record->m_applyFrom && fraction < record->m_applyTo) {
RefPtrWillBeRawPtr<Interpolation> interpolation = record->m_interpolation;
double localFraction = (fraction - record->m_start) / (record->m_end - record->m_start);
if (record->m_easing)
localFraction = record->m_easing->evaluate(localFraction, accuracyForDuration(iterationDuration));
interpolation->interpolate(0, localFraction);
if (resultIndex < existingSize)
(*result)[resultIndex++] = interpolation;
else
result->append(interpolation);
}
}
if (resultIndex < existingSize)
result->shrink(resultIndex);
}
