const char * CCControlButton::getTitleTTFForState(CCControlState state)
{
    CCLabelProtocol* label = dynamic_cast<CCLabelProtocol*>(this->getTitleLabelForState(state));
    CCLabelTTF* labelTTF = dynamic_cast<CCLabelTTF*>(label);
    if(labelTTF != 0)
    {
        return labelTTF->getFontName();
    }
    else
    {
        return "";
    }
}