QRCode

PQCode/assets/Script/QRcodeUi.js

@@ -0,0 +1,44 @@
+cc.Class({
+	extends: cc.Component,
+	properties: {
+
+	},
+	// use this for initialization
+	onLoad() {
+		this.init('http://forum.cocos.com/t/topic/44304/9');
+	},
+
+	init(url){
+		var ctx = this.node.addComponent(cc.Graphics);
+		if (typeof (url) !== 'string') {
+			console.log('url is not string',url);
+			return;
+		}
+		this.QRCreate(ctx, url);
+	},
+
+	QRCreate(ctx, url) {
+		var qrcode = new QRCode(-1, QRErrorCorrectLevel.H);
+		qrcode.addData(url);
+		qrcode.make();
+
+		ctx.fillColor = cc.Color.BLACK;
+		//块宽高
+		var tileW = this.node.width / qrcode.getModuleCount();
+		var tileH = this.node.height / qrcode.getModuleCount();
+
+		// draw in the Graphics
+		for (var row = 0; row < qrcode.getModuleCount(); row++) {
+			for (var col = 0; col < qrcode.getModuleCount(); col++) {
+				if (qrcode.isDark(row, col)) {
+					// ctx.fillColor = cc.Color.BLACK;
+					var w = (Math.ceil((col + 1) * tileW) - Math.floor(col * tileW));
+					var h = (Math.ceil((row + 1) * tileW) - Math.floor(row * tileW));
+					ctx.rect(Math.round(col * tileW), Math.round(row * tileH), w, h);
+					ctx.fill();
+				}
+			}
+		}
+	},
+
+});