1、清理仓库
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var beiMiCommon = require("BeiMiCommon");
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cc.Class({
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extends: beiMiCommon,
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properties: {
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qrgraphics:{
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default : null ,
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type : cc.Node
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},
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roomid:{
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default : null ,
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type : cc.Label
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}
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},
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// use this for initialization
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onLoad: function() {
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},
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init:function(data){
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if(data!=null && data != ""){
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this.roomid.string = "让好友扫描加入房间,房间号:"+data ;
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}
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var qrcode = new QRCode(6, QRErrorCorrectLevel.H);
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qrcode.addData(data);
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qrcode.make();
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let size = this.qrgraphics.width;
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let num = qrcode.getModuleCount();
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var ctx = this.qrgraphics.getComponent(cc.Graphics);
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ctx.clear();
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ctx.fillColor = cc.Color.BLACK;
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// compute tileW/tileH based on node width and height
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var tileW = size / num;
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var tileH = size / num;
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// draw in the Graphics
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for (var row = 0; row < num; row++) {
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for (var col = 0; col < num; col++) {
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if (qrcode.isDark(row, col)) {
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// cc.log(row, col)
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// ctx.fillColor = cc.Color.BLACK;
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var w = (Math.ceil((col + 1) * tileW) - Math.floor(col * tileW));
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var h = (Math.ceil((row + 1) * tileW) - Math.floor(row * tileW));
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ctx.rect(Math.round(col * tileW), size - tileH - Math.round(row * tileH), w, h);
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ctx.fill();
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} else {
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// ctx.fillColor = cc.Color.WHITE;
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}
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// var w = (Math.ceil((col + 1) * tileW) - Math.floor(col * tileW));
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// var h = (Math.ceil((row + 1) * tileW) - Math.floor(row * tileW));
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// ctx.rect(Math.round(col * tileW), Math.round(row * tileH), w, h);
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// ctx.fill();
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}
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}
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}
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});
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