Method cloneAndCheckIfChanged

Engine/Curve.cpp:345–372

}

bool
Curve::cloneAndCheckIfChanged(const Curve& other)
{
    KeyFrameSet otherKeys = other.getKeyFrames_mt_safe();
    QMutexLocker l(&_imp->_lock);
    bool hasChanged = false;

    if ( otherKeys.size() != _imp->keyFrames.size() ) {
        hasChanged = true;
    }
    if (!hasChanged) {
        assert( otherKeys.size() == _imp->keyFrames.size() );
        KeyFrameSet::iterator oit = otherKeys.begin();
        for (KeyFrameSet::iterator it = _imp->keyFrames.begin(); it != _imp->keyFrames.end(); ++it, ++oit) {
            if (*it != *oit) {
                hasChanged = true;
                break;
            }
        }
    }
    if (hasChanged) {
        _imp->keyFrames.clear();
        std::transform( otherKeys.begin(), otherKeys.end(), std::inserter( _imp->keyFrames, _imp->keyFrames.begin() ), KeyFrameCloner() );
        onCurveChanged();
    }

    return hasChanged;
}

void
Curve::clone(const Curve & other,