Cocos2d-x中ImageView的使用



Size size = Director::getInstance()->getVisibleSize();
 ImageView* imageView = ImageView::create("ccicon.png");
 imageView->setPosition(Vec2(size.width /2,size.height /2));
 imageView->ignoreContentAdaptWithSize(false);
 imageView->setScale9Enabled(true);
 imageView->setContentSize(Size(100,100));
 imageView->setCapInsets(Rect(20,20,20,20));//设置伸缩后的内框大小
 imageView->setTouchEnabled(true);
 imageView->addTouchEventListener([=](Ref* sender, cocos2d::ui::Widget::TouchEventType type){
  if (type == cocos2d::ui::Widget::TouchEventType::ENDED)
  {
   if (imageView->isScale9Enabled())
   {
    imageView->setScale9Enabled(false);
   }
   else
   {
    imageView->setScale9Enabled(true);
   }

  }
 });

 this->addChild(imageView);

//ImageView 嵌套

ImageView* imageView = ImageView::create("cocosui/buttonHighlighted.png");
        imageView->setScale9Enabled(true);
        imageView->setContentSize(Size(200, 80));
        imageView->setPosition(Vec2(widgetSize.width / 2.0f,
                                    widgetSize.height / 2.0f ));
      
       
        ImageView* imageViewChild = ImageView::create("cocosui/buttonHighlighted.png");
        imageViewChild->setScale9Enabled(true);
        imageViewChild->setSizeType(Widget::SizeType::PERCENT);
        imageViewChild->setPositionType(Widget::PositionType::PERCENT);
        imageViewChild->setSizePercent(Vec2::ANCHOR_MIDDLE);
        imageViewChild->setPositionPercent(Vec2::ANCHOR_MIDDLE);
        imageViewChild->setPosition(Vec2(widgetSize.width / 2.0f,
                                    widgetSize.height / 2.0f));
       
        ImageView* imageViewChild2 = ImageView::create("cocosui/buttonHighlighted.png");
        imageViewChild2->setScale9Enabled(true);
        imageViewChild2->setSizeType(Widget::SizeType::PERCENT);
        imageViewChild2->setPositionType(Widget::PositionType::PERCENT);
        imageViewChild2->setSizePercent(Vec2::ANCHOR_MIDDLE);
        imageViewChild2->setPositionPercent(Vec2::ANCHOR_MIDDLE);
        imageViewChild->addChild(imageViewChild2);
       
       
        imageView->addChild(imageViewChild);
       
        imageView->setTouchEnabled(true);
        imageView->addTouchEventListener([=](Ref* sender, Widget::TouchEventType type){
            if (type == Widget::TouchEventType::ENDED) {
                float width = CCRANDOM_0_1() * 200 + 50;
                float height = CCRANDOM_0_1() * 80 + 30;
                imageView->setContentSize(Size(width, height));
               
                imageViewChild->setPositionPercent(Vec2(CCRANDOM_0_1(), CCRANDOM_0_1()));
                status->setString(StringUtils::format("child ImageView position percent: %f, %f",
                                                      imageViewChild->getPositionPercent().x, imageViewChild->getPositionPercent().y));
            }
        });
       
        _uiLayer->addChild(imageView);