Cocos2d-x中点九图(Scale9Sprite)创建图片按钮

#include "cocos-ext.h"
using namespace cocos2d::extension;

bool HelloWorld::init()
{
    if (!Layer::init())
    {
        return false;
    }

    /* 正常状态下的按钮图片 */
    Scale9Sprite* btnNormal = Scale9Sprite::create("button.png");

    /* 单击状态下的按钮图片 */
    Scale9Sprite* btnDown = Scale9Sprite::create("buttonHighlighted.png");

    /* 按钮标题 */
    Label *title = Label::create("Touch Me!", "Marker Felt", 30);

    /* 创建按钮，按钮的大小会根据标题自动调整 */
    ControlButton* controlBtn = ControlButton::create(title, btnNormal);

    /* 设置按钮按下时的图片 */
    controlBtn->setBackgroundSpriteForState(btnDown, Control::State::HIGH_LIGHTED);

    controlBtn->setPosition(Point(200, 200));
    controlBtn->setPreferredSize(CCSize(300, 50));
    this->addChild(controlBtn);

    return true;
}