Method valueChanged

tests/cpp-tests/Source/LabelTest/LabelTest.cpp:2852–2883

}

void LabelLayoutBaseTest::valueChanged(ax::Object* sender, ax::extension::Control::EventType controlEvent)
{
    ControlStepper* pControl = (ControlStepper*)sender;
    // Change value of label.
    auto fontSizeLabel = (Label*)this->getChildByName("fontSize");
    float fontSize     = (float)pControl->getValue();
    fontSizeLabel->setString(fmt::format("font size:{}", (int)fontSize));

    if (_labelType == 0)
    {
        auto ttfConfig     = _label->getTTFConfig();
        ttfConfig.fontSize = fontSize;
        _label->setTTFConfig(ttfConfig);
    }
    else if (_labelType == 1)
    {
        _label->setBMFontSize(fontSize);
    }
    else if (_labelType == 2)
    {
        _label->setSystemFontSize(fontSize);
    }
    this->updateDrawNodeSize(_label->getContentSize());

    // FIXME::When calling getLetter, the label Overflow feature will be invalid.
    //    auto letterSprite = _label->getLetter(1);
    //    auto moveBy = ScaleBy::create(1.0,2.0);
    //    letterSprite->stopAllActions();
    //    letterSprite->runAction(Sequence::create(moveBy, moveBy->clone()->reverse(), nullptr ));
    //
    //    AXLOGD("label line height = {}", _label->getLineHeight());
}

void LabelLayoutBaseTest::onExit()
{