Method enableUnderline

core/2d/Label.cpp:1551–1568

}

void Label::enableUnderline()
{
    if (_underlineEnabled)
    {
        return;
    }
    _underlineEnabled = true;
    _contentDirty     = true;
    if (!_lineDrawNode)
    {
        _lineDrawNode = DrawNode::create();
        _lineDrawNode->setGlobalZOrder(getGlobalZOrder());
        _lineDrawNode->setOpacity(_displayedOpacity);
        _lineDrawNode->properties.setFactor(_lineDrawNode->properties.getFactor() *
                                            2.0f);  // 2.0f: Makes the line smaller
        addChild(_lineDrawNode, 100000);
    }
}

void Label::enableStrikethrough()
{