cocos2d-qrsprite

在cocos2d-x中绘制二维码, QRSprite继承自Sprite,二维码大小自动适应文本长度和容错率，通过缩放来得到期望尺寸的二维码

example

on cocos2d v3.x

Scene* scene = Scene::create();
QRSprite* qr = QRSprite::create("hello world", 128);
scene->addChild(qr);