├── .gitignore
├── .gitmodules
├── README.md
├── example.html
├── gruntfile.js
├── lib
    ├── html5-qrcode.min.js
    └── jsqrcode-combined.min.js
├── package.json
└── src
    └── html5-qrcode.js


/.gitignore:
--------------------------------------------------------------------------------
1 | .DS_Store
2 | node_modules


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/.gitmodules:
--------------------------------------------------------------------------------
1 | [submodule "src/jsqrcode"]
2 | 	path = src/jsqrcode
3 | 	url = https://github.com/LazarSoft/jsqrcode.git
4 | 


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/README.md:
--------------------------------------------------------------------------------
 1 | # HTML5 QR Code Reader
 2 | 
 3 | ### Description
 4 | 
 5 | This is a cross platform jQuery library to create a QRcode reader for HTML5 compatible browser.
 6 | 
 7 | The decoder used for the QRcode reading is from LazarSoft
 8 | [https://github.com/LazarSoft/jsqrcode](https://github.com/LazarSoft/jsqrcode)
 9 | 
10 | ### Demo
11 | 
12 | See a demo here [https://dwa012.github.io/html5-qrcode/](https://dwa012.github.io/html5-qrcode/)
13 | 
14 | 
15 | ### Usage
16 | 
17 | Include:
18 | - ```jQuery```
19 | - The two supplied files in the lib directory; ```html5_qrcode.min.js```, and ```jsqrcode-combined.min.js```.
20 | 
21 | Create a basic ```<div>``` with a given width and height. 
22 | 
23 | Presently width and height attributes must be set. 
24 |  
25 | ```
26 |  <div id="reader" style="width:300px;height:250px">
27 |  </div>
28 | ```
29 | 
30 | Then call the ```html5_qrcode``` function on the ```div```. 
31 |  
32 | ```
33 |  $('#reader').html5_qrcode(function(data){
34 |  		 // do something when code is read
35 |  	},
36 |  	function(error){
37 | 		//show read errors 
38 | 	}, function(videoError){
39 | 		//the video stream could be opened
40 | 	}
41 | );
42 | ```
43 | 
44 | It takes three callbacks: a ```readSuccess```, ```readError```, and ```videoLoadError```. The readError will be called quite often, it is really only useful for debugging. 
45 | 
46 | ```videoError``` is called if the HTML5 video stream cannot be opened.
47 | 
48 | 
49 | When you're done using the camera, call `$('#reader').html5_qrcode_stop()` to stop scanning for QR codes, close the stream, and relinquish permissions granted by the user.   
50 | (This will result in the "camera on" light on their device turning off)
51 | 
52 | 
53 | ### Development
54 | 
55 | To create your own builds, you can use [Grunt](http://gruntjs.com/). 
56 | A gruntfile has been set up to create minified versions of `html5-qrcode.js` and `jsqrcode-combined.js`.
57 | You will need npm (comes with [node](https://nodejs.org/)), and [Grunt](http://gruntjs.com/) installed first.  
58 | 
59 | Once installed, clone this repo and load the submodules by running: `git submodule init` then `git submodule update`. Then run `npm install` to download the node packages for Grunt.
60 | 
61 | Now, to build the minified versions just run `grunt` from the project directory in your terminal. If you're doing continuous development, you can run `grunt watch` to continuously watch javascript files in `src\` and automatically build minified versions when they are modified.
62 | 
63 | 
64 | ### MIT LICENSE
65 | 
66 | Copyright &copy; 2013 Daniel Ward
67 | 
68 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
69 | 
70 | The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
71 | 
72 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
73 | 
74 | 


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/example.html:
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 1 | <!DOCTYPE html>
 2 | <html>
 3 |   <head>
 4 |     <meta charset='utf-8'>
 5 |     <meta http-equiv="X-UA-Compatible" content="chrome=1">
 6 |     <meta name="description" content="HTML5 QR Code Usage Example">
 7 |     <script src="lib/jsqrcode-combined.min.js"></script>
 8 |     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
 9 |     <script src="lib/html5-qrcode.min.js"></script>
10 |     <script>
11 |       $(document).ready(function(){
12 |         $('#reader').html5_qrcode(function(data){
13 |             $('#result').html(data);
14 |           },
15 |           function(error){
16 |             $('#error').html("Scanning...");
17 |           }, function(videoError){
18 |             $('#error').html("Camera error.");
19 |           }
20 |         );
21 |       });
22 |     </script>
23 |     <title>HTML5 QR code Reader</title>
24 |   </head>
25 |   <body>
26 |     <h1>HTML5 QR Code Reader Usage Example</h1>
27 |     <span id="error" style='color:darkred;' class="center"></span>
28 |     <div id="reader" style="width:300px;height:250px"></div>
29 |     <span id="result" class="center"></span>
30 |   </body>
31 | </html>
32 | 


--------------------------------------------------------------------------------
/gruntfile.js:
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 1 | module.exports = function(grunt) {
 2 | 
 3 |     // Project configuration.
 4 |     grunt.initConfig({
 5 |         pkg: grunt.file.readJSON('package.json'),
 6 | 
 7 |         uglify: {
 8 |             dist: {
 9 |                 files: {
10 |                     'lib/jsqrcode-combined.min.js': [
11 |                         "src/jsqrcode/src/grid.js",
12 |                         "src/jsqrcode/src/version.js",
13 |                         "src/jsqrcode/src/detector.js",
14 |                         "src/jsqrcode/src/formatinf.js",
15 |                         "src/jsqrcode/src/errorlevel.js",
16 |                         "src/jsqrcode/src/bitmat.js",
17 |                         "src/jsqrcode/src/datablock.js",
18 |                         "src/jsqrcode/src/bmparser.js",
19 |                         "src/jsqrcode/src/datamask.js",
20 |                         "src/jsqrcode/src/rsdecoder.js",
21 |                         "src/jsqrcode/src/gf256poly.js",
22 |                         "src/jsqrcode/src/gf256.js",
23 |                         "src/jsqrcode/src/decoder.js",
24 |                         "src/jsqrcode/src/QRCode.js",
25 |                         "src/jsqrcode/src/findpat.js",
26 |                         "src/jsqrcode/src/alignpat.js",
27 |                         "src/jsqrcode/src/databr.js",
28 |                     ],
29 |                     'lib/html5-qrcode.min.js': ['src/html5-qrcode.js']
30 |                 },
31 |                 options: {
32 |                     beautify: false,
33 |                     mangle: false,
34 |                     sourceMap: false
35 |                 }
36 |             }
37 |         },
38 |         watch: {
39 |             js: {
40 |                 files: ['src/*.js']
41 |             }
42 |         }
43 |     });
44 | 
45 |     // Load the plugin that provides the tasks.
46 |     grunt.loadNpmTasks('grunt-contrib-uglify');
47 |     grunt.loadNpmTasks('grunt-contrib-watch');
48 | 
49 |     // Default tasks.
50 |     grunt.registerTask('default', [
51 |         'uglify'
52 |     ]);
53 | };
54 | 


--------------------------------------------------------------------------------
/lib/html5-qrcode.min.js:
--------------------------------------------------------------------------------
1 | !function($){jQuery.fn.extend({html5_qrcode:function(qrcodeSuccess,qrcodeError,videoError){return this.each(function(){var currentElem=$(this),height=currentElem.height(),width=currentElem.width();null==height&&(height=250),null==width&&(width=300);var localMediaStream,vidElem=$('<video width="'+width+'px" height="'+height+'px"></video>').appendTo(currentElem),canvasElem=$('<canvas id="qr-canvas" width="'+(width-2)+'px" height="'+(height-2)+'px" style="display:none;"></canvas>').appendTo(currentElem),video=vidElem[0],canvas=canvasElem[0],context=canvas.getContext("2d"),scan=function(){if(localMediaStream){context.drawImage(video,0,0,307,250);try{qrcode.decode()}catch(e){qrcodeError(e,localMediaStream)}$.data(currentElem[0],"timeout",setTimeout(scan,500))}else $.data(currentElem[0],"timeout",setTimeout(scan,500))};window.URL=window.URL||window.webkitURL||window.mozURL||window.msURL,navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;var successCallback=function(stream){video.src=window.URL&&window.URL.createObjectURL(stream)||stream,localMediaStream=stream,$.data(currentElem[0],"stream",stream),video.play(),$.data(currentElem[0],"timeout",setTimeout(scan,1e3))};navigator.getUserMedia?navigator.getUserMedia({video:!0},successCallback,function(error){videoError(error,localMediaStream)}):console.log("Native web camera streaming (getUserMedia) not supported in this browser."),qrcode.callback=function(result){qrcodeSuccess(result,localMediaStream)}})},html5_qrcode_stop:function(){return this.each(function(){$(this).data("stream").getVideoTracks().forEach(function(videoTrack){videoTrack.stop()}),clearTimeout($(this).data("timeout"))})}})}(jQuery);


--------------------------------------------------------------------------------
/lib/jsqrcode-combined.min.js:
--------------------------------------------------------------------------------
1 | function ECB(count,dataCodewords){this.count=count,this.dataCodewords=dataCodewords,this.__defineGetter__("Count",function(){return this.count}),this.__defineGetter__("DataCodewords",function(){return this.dataCodewords})}function ECBlocks(ecCodewordsPerBlock,ecBlocks1,ecBlocks2){this.ecCodewordsPerBlock=ecCodewordsPerBlock,ecBlocks2?this.ecBlocks=new Array(ecBlocks1,ecBlocks2):this.ecBlocks=new Array(ecBlocks1),this.__defineGetter__("ECCodewordsPerBlock",function(){return this.ecCodewordsPerBlock}),this.__defineGetter__("TotalECCodewords",function(){return this.ecCodewordsPerBlock*this.NumBlocks}),this.__defineGetter__("NumBlocks",function(){for(var total=0,i=0;i<this.ecBlocks.length;i++)total+=this.ecBlocks[i].length;return total}),this.getECBlocks=function(){return this.ecBlocks}}function Version(versionNumber,alignmentPatternCenters,ecBlocks1,ecBlocks2,ecBlocks3,ecBlocks4){this.versionNumber=versionNumber,this.alignmentPatternCenters=alignmentPatternCenters,this.ecBlocks=new Array(ecBlocks1,ecBlocks2,ecBlocks3,ecBlocks4);for(var total=0,ecCodewords=ecBlocks1.ECCodewordsPerBlock,ecbArray=ecBlocks1.getECBlocks(),i=0;i<ecbArray.length;i++){var ecBlock=ecbArray[i];total+=ecBlock.Count*(ecBlock.DataCodewords+ecCodewords)}this.totalCodewords=total,this.__defineGetter__("VersionNumber",function(){return this.versionNumber}),this.__defineGetter__("AlignmentPatternCenters",function(){return this.alignmentPatternCenters}),this.__defineGetter__("TotalCodewords",function(){return this.totalCodewords}),this.__defineGetter__("DimensionForVersion",function(){return 17+4*this.versionNumber}),this.buildFunctionPattern=function(){var dimension=this.DimensionForVersion,bitMatrix=new BitMatrix(dimension);bitMatrix.setRegion(0,0,9,9),bitMatrix.setRegion(dimension-8,0,8,9),bitMatrix.setRegion(0,dimension-8,9,8);for(var max=this.alignmentPatternCenters.length,x=0;max>x;x++)for(var i=this.alignmentPatternCenters[x]-2,y=0;max>y;y++)0==x&&(0==y||y==max-1)||x==max-1&&0==y||bitMatrix.setRegion(this.alignmentPatternCenters[y]-2,i,5,5);return bitMatrix.setRegion(6,9,1,dimension-17),bitMatrix.setRegion(9,6,dimension-17,1),this.versionNumber>6&&(bitMatrix.setRegion(dimension-11,0,3,6),bitMatrix.setRegion(0,dimension-11,6,3)),bitMatrix},this.getECBlocksForLevel=function(ecLevel){return this.ecBlocks[ecLevel.ordinal()]}}function buildVersions(){return new Array(new Version(1,new Array,new ECBlocks(7,new ECB(1,19)),new ECBlocks(10,new ECB(1,16)),new ECBlocks(13,new ECB(1,13)),new ECBlocks(17,new ECB(1,9))),new Version(2,new Array(6,18),new ECBlocks(10,new ECB(1,34)),new ECBlocks(16,new ECB(1,28)),new ECBlocks(22,new ECB(1,22)),new ECBlocks(28,new ECB(1,16))),new Version(3,new Array(6,22),new ECBlocks(15,new ECB(1,55)),new ECBlocks(26,new ECB(1,44)),new ECBlocks(18,new ECB(2,17)),new ECBlocks(22,new ECB(2,13))),new Version(4,new Array(6,26),new ECBlocks(20,new ECB(1,80)),new ECBlocks(18,new ECB(2,32)),new ECBlocks(26,new ECB(2,24)),new ECBlocks(16,new ECB(4,9))),new Version(5,new Array(6,30),new ECBlocks(26,new ECB(1,108)),new ECBlocks(24,new ECB(2,43)),new ECBlocks(18,new ECB(2,15),new ECB(2,16)),new ECBlocks(22,new ECB(2,11),new ECB(2,12))),new Version(6,new Array(6,34),new ECBlocks(18,new ECB(2,68)),new ECBlocks(16,new ECB(4,27)),new ECBlocks(24,new ECB(4,19)),new ECBlocks(28,new ECB(4,15))),new Version(7,new Array(6,22,38),new ECBlocks(20,new ECB(2,78)),new ECBlocks(18,new ECB(4,31)),new ECBlocks(18,new ECB(2,14),new ECB(4,15)),new ECBlocks(26,new ECB(4,13),new ECB(1,14))),new Version(8,new Array(6,24,42),new ECBlocks(24,new ECB(2,97)),new ECBlocks(22,new ECB(2,38),new ECB(2,39)),new ECBlocks(22,new ECB(4,18),new ECB(2,19)),new ECBlocks(26,new ECB(4,14),new ECB(2,15))),new Version(9,new Array(6,26,46),new ECBlocks(30,new ECB(2,116)),new ECBlocks(22,new ECB(3,36),new ECB(2,37)),new ECBlocks(20,new ECB(4,16),new ECB(4,17)),new ECBlocks(24,new ECB(4,12),new ECB(4,13))),new Version(10,new Array(6,28,50),new ECBlocks(18,new ECB(2,68),new ECB(2,69)),new ECBlocks(26,new ECB(4,43),new ECB(1,44)),new ECBlocks(24,new ECB(6,19),new ECB(2,20)),new ECBlocks(28,new ECB(6,15),new ECB(2,16))),new Version(11,new Array(6,30,54),new ECBlocks(20,new ECB(4,81)),new ECBlocks(30,new ECB(1,50),new ECB(4,51)),new ECBlocks(28,new ECB(4,22),new ECB(4,23)),new ECBlocks(24,new ECB(3,12),new ECB(8,13))),new Version(12,new Array(6,32,58),new ECBlocks(24,new ECB(2,92),new ECB(2,93)),new ECBlocks(22,new ECB(6,36),new ECB(2,37)),new ECBlocks(26,new ECB(4,20),new ECB(6,21)),new ECBlocks(28,new ECB(7,14),new ECB(4,15))),new Version(13,new Array(6,34,62),new ECBlocks(26,new ECB(4,107)),new ECBlocks(22,new ECB(8,37),new ECB(1,38)),new ECBlocks(24,new ECB(8,20),new ECB(4,21)),new ECBlocks(22,new ECB(12,11),new ECB(4,12))),new Version(14,new Array(6,26,46,66),new ECBlocks(30,new ECB(3,115),new ECB(1,116)),new ECBlocks(24,new ECB(4,40),new ECB(5,41)),new ECBlocks(20,new ECB(11,16),new ECB(5,17)),new ECBlocks(24,new ECB(11,12),new ECB(5,13))),new Version(15,new Array(6,26,48,70),new ECBlocks(22,new ECB(5,87),new ECB(1,88)),new ECBlocks(24,new ECB(5,41),new ECB(5,42)),new ECBlocks(30,new ECB(5,24),new ECB(7,25)),new ECBlocks(24,new ECB(11,12),new ECB(7,13))),new Version(16,new Array(6,26,50,74),new ECBlocks(24,new ECB(5,98),new ECB(1,99)),new ECBlocks(28,new ECB(7,45),new ECB(3,46)),new ECBlocks(24,new ECB(15,19),new ECB(2,20)),new ECBlocks(30,new ECB(3,15),new ECB(13,16))),new Version(17,new Array(6,30,54,78),new ECBlocks(28,new ECB(1,107),new ECB(5,108)),new ECBlocks(28,new ECB(10,46),new ECB(1,47)),new ECBlocks(28,new ECB(1,22),new ECB(15,23)),new ECBlocks(28,new ECB(2,14),new ECB(17,15))),new Version(18,new Array(6,30,56,82),new ECBlocks(30,new ECB(5,120),new ECB(1,121)),new ECBlocks(26,new ECB(9,43),new ECB(4,44)),new ECBlocks(28,new ECB(17,22),new ECB(1,23)),new ECBlocks(28,new ECB(2,14),new ECB(19,15))),new Version(19,new 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ECB(17,115)),new ECBlocks(28,new ECB(10,46),new ECB(23,47)),new ECBlocks(30,new ECB(10,24),new ECB(35,25)),new ECBlocks(30,new ECB(19,15),new ECB(35,16))),new Version(33,new Array(6,30,58,86,114,142),new ECBlocks(30,new ECB(17,115),new ECB(1,116)),new ECBlocks(28,new ECB(14,46),new ECB(21,47)),new ECBlocks(30,new ECB(29,24),new ECB(19,25)),new ECBlocks(30,new ECB(11,15),new ECB(46,16))),new Version(34,new Array(6,34,62,90,118,146),new ECBlocks(30,new ECB(13,115),new ECB(6,116)),new ECBlocks(28,new ECB(14,46),new ECB(23,47)),new ECBlocks(30,new ECB(44,24),new ECB(7,25)),new ECBlocks(30,new ECB(59,16),new ECB(1,17))),new Version(35,new Array(6,30,54,78,102,126,150),new ECBlocks(30,new ECB(12,121),new ECB(7,122)),new ECBlocks(28,new ECB(12,47),new ECB(26,48)),new ECBlocks(30,new ECB(39,24),new ECB(14,25)),new ECBlocks(30,new ECB(22,15),new ECB(41,16))),new Version(36,new Array(6,24,50,76,102,128,154),new ECBlocks(30,new ECB(6,121),new ECB(14,122)),new ECBlocks(28,new ECB(6,47),new ECB(34,48)),new ECBlocks(30,new ECB(46,24),new ECB(10,25)),new ECBlocks(30,new ECB(2,15),new ECB(64,16))),new Version(37,new Array(6,28,54,80,106,132,158),new ECBlocks(30,new ECB(17,122),new ECB(4,123)),new ECBlocks(28,new ECB(29,46),new ECB(14,47)),new ECBlocks(30,new ECB(49,24),new ECB(10,25)),new ECBlocks(30,new ECB(24,15),new ECB(46,16))),new Version(38,new Array(6,32,58,84,110,136,162),new ECBlocks(30,new ECB(4,122),new ECB(18,123)),new ECBlocks(28,new ECB(13,46),new ECB(32,47)),new ECBlocks(30,new ECB(48,24),new ECB(14,25)),new ECBlocks(30,new ECB(42,15),new ECB(32,16))),new Version(39,new Array(6,26,54,82,110,138,166),new ECBlocks(30,new ECB(20,117),new ECB(4,118)),new ECBlocks(28,new ECB(40,47),new ECB(7,48)),new ECBlocks(30,new ECB(43,24),new ECB(22,25)),new ECBlocks(30,new ECB(10,15),new ECB(67,16))),new Version(40,new Array(6,30,58,86,114,142,170),new ECBlocks(30,new ECB(19,118),new ECB(6,119)),new ECBlocks(28,new ECB(18,47),new ECB(31,48)),new ECBlocks(30,new ECB(34,24),new ECB(34,25)),new ECBlocks(30,new ECB(20,15),new ECB(61,16))))}function PerspectiveTransform(a11,a21,a31,a12,a22,a32,a13,a23,a33){this.a11=a11,this.a12=a12,this.a13=a13,this.a21=a21,this.a22=a22,this.a23=a23,this.a31=a31,this.a32=a32,this.a33=a33,this.transformPoints1=function(points){for(var max=points.length,a11=this.a11,a12=this.a12,a13=this.a13,a21=this.a21,a22=this.a22,a23=this.a23,a31=this.a31,a32=this.a32,a33=this.a33,i=0;max>i;i+=2){var x=points[i],y=points[i+1],denominator=a13*x+a23*y+a33;points[i]=(a11*x+a21*y+a31)/denominator,points[i+1]=(a12*x+a22*y+a32)/denominator}},this.transformPoints2=function(xValues,yValues){for(var n=xValues.length,i=0;n>i;i++){var x=xValues[i],y=yValues[i],denominator=this.a13*x+this.a23*y+this.a33;xValues[i]=(this.a11*x+this.a21*y+this.a31)/denominator,yValues[i]=(this.a12*x+this.a22*y+this.a32)/denominator}},this.buildAdjoint=function(){return new PerspectiveTransform(this.a22*this.a33-this.a23*this.a32,this.a23*this.a31-this.a21*this.a33,this.a21*this.a32-this.a22*this.a31,this.a13*this.a32-this.a12*this.a33,this.a11*this.a33-this.a13*this.a31,this.a12*this.a31-this.a11*this.a32,this.a12*this.a23-this.a13*this.a22,this.a13*this.a21-this.a11*this.a23,this.a11*this.a22-this.a12*this.a21)},this.times=function(other){return new PerspectiveTransform(this.a11*other.a11+this.a21*other.a12+this.a31*other.a13,this.a11*other.a21+this.a21*other.a22+this.a31*other.a23,this.a11*other.a31+this.a21*other.a32+this.a31*other.a33,this.a12*other.a11+this.a22*other.a12+this.a32*other.a13,this.a12*other.a21+this.a22*other.a22+this.a32*other.a23,this.a12*other.a31+this.a22*other.a32+this.a32*other.a33,this.a13*other.a11+this.a23*other.a12+this.a33*other.a13,this.a13*other.a21+this.a23*other.a22+this.a33*other.a23,this.a13*other.a31+this.a23*other.a32+this.a33*other.a33)}}function DetectorResult(bits,points){this.bits=bits,this.points=points}function Detector(image){this.image=image,this.resultPointCallback=null,this.sizeOfBlackWhiteBlackRun=function(fromX,fromY,toX,toY){var steep=Math.abs(toY-fromY)>Math.abs(toX-fromX);if(steep){var temp=fromX;fromX=fromY,fromY=temp,temp=toX,toX=toY,toY=temp}for(var dx=Math.abs(toX-fromX),dy=Math.abs(toY-fromY),error=-dx>>1,ystep=toY>fromY?1:-1,xstep=toX>fromX?1:-1,state=0,x=fromX,y=fromY;x!=toX;x+=xstep){var realX=steep?y:x,realY=steep?x:y;if(1==state?this.image[realX+realY*qrcode.width]&&state++:this.image[realX+realY*qrcode.width]||state++,3==state){var diffX=x-fromX,diffY=y-fromY;return Math.sqrt(diffX*diffX+diffY*diffY)}if(error+=dy,error>0){if(y==toY)break;y+=ystep,error-=dx}}var diffX2=toX-fromX,diffY2=toY-fromY;return Math.sqrt(diffX2*diffX2+diffY2*diffY2)},this.sizeOfBlackWhiteBlackRunBothWays=function(fromX,fromY,toX,toY){var result=this.sizeOfBlackWhiteBlackRun(fromX,fromY,toX,toY),scale=1,otherToX=fromX-(toX-fromX);0>otherToX?(scale=fromX/(fromX-otherToX),otherToX=0):otherToX>=qrcode.width&&(scale=(qrcode.width-1-fromX)/(otherToX-fromX),otherToX=qrcode.width-1);var otherToY=Math.floor(fromY-(toY-fromY)*scale);return scale=1,0>otherToY?(scale=fromY/(fromY-otherToY),otherToY=0):otherToY>=qrcode.height&&(scale=(qrcode.height-1-fromY)/(otherToY-fromY),otherToY=qrcode.height-1),otherToX=Math.floor(fromX+(otherToX-fromX)*scale),result+=this.sizeOfBlackWhiteBlackRun(fromX,fromY,otherToX,otherToY),result-1},this.calculateModuleSizeOneWay=function(pattern,otherPattern){var moduleSizeEst1=this.sizeOfBlackWhiteBlackRunBothWays(Math.floor(pattern.X),Math.floor(pattern.Y),Math.floor(otherPattern.X),Math.floor(otherPattern.Y)),moduleSizeEst2=this.sizeOfBlackWhiteBlackRunBothWays(Math.floor(otherPattern.X),Math.floor(otherPattern.Y),Math.floor(pattern.X),Math.floor(pattern.Y));return isNaN(moduleSizeEst1)?moduleSizeEst2/7:isNaN(moduleSizeEst2)?moduleSizeEst1/7:(moduleSizeEst1+moduleSizeEst2)/14},this.calculateModuleSize=function(topLeft,topRight,bottomLeft){return(this.calculateModuleSizeOneWay(topLeft,topRight)+this.calculateModuleSizeOneWay(topLeft,bottomLeft))/2},this.distance=function(pattern1,pattern2){return xDiff=pattern1.X-pattern2.X,yDiff=pattern1.Y-pattern2.Y,Math.sqrt(xDiff*xDiff+yDiff*yDiff)},this.computeDimension=function(topLeft,topRight,bottomLeft,moduleSize){var tltrCentersDimension=Math.round(this.distance(topLeft,topRight)/moduleSize),tlblCentersDimension=Math.round(this.distance(topLeft,bottomLeft)/moduleSize),dimension=(tltrCentersDimension+tlblCentersDimension>>1)+7;switch(3&dimension){case 0:dimension++;break;case 2:dimension--;break;case 3:throw"Error"}return dimension},this.findAlignmentInRegion=function(overallEstModuleSize,estAlignmentX,estAlignmentY,allowanceFactor){var allowance=Math.floor(allowanceFactor*overallEstModuleSize),alignmentAreaLeftX=Math.max(0,estAlignmentX-allowance),alignmentAreaRightX=Math.min(qrcode.width-1,estAlignmentX+allowance);if(3*overallEstModuleSize>alignmentAreaRightX-alignmentAreaLeftX)throw"Error";var alignmentAreaTopY=Math.max(0,estAlignmentY-allowance),alignmentAreaBottomY=Math.min(qrcode.height-1,estAlignmentY+allowance),alignmentFinder=new AlignmentPatternFinder(this.image,alignmentAreaLeftX,alignmentAreaTopY,alignmentAreaRightX-alignmentAreaLeftX,alignmentAreaBottomY-alignmentAreaTopY,overallEstModuleSize,this.resultPointCallback);return alignmentFinder.find()},this.createTransform=function(topLeft,topRight,bottomLeft,alignmentPattern,dimension){var bottomRightX,bottomRightY,sourceBottomRightX,sourceBottomRightY,dimMinusThree=dimension-3.5;null!=alignmentPattern?(bottomRightX=alignmentPattern.X,bottomRightY=alignmentPattern.Y,sourceBottomRightX=sourceBottomRightY=dimMinusThree-3):(bottomRightX=topRight.X-topLeft.X+bottomLeft.X,bottomRightY=topRight.Y-topLeft.Y+bottomLeft.Y,sourceBottomRightX=sourceBottomRightY=dimMinusThree);var transform=PerspectiveTransform.quadrilateralToQuadrilateral(3.5,3.5,dimMinusThree,3.5,sourceBottomRightX,sourceBottomRightY,3.5,dimMinusThree,topLeft.X,topLeft.Y,topRight.X,topRight.Y,bottomRightX,bottomRightY,bottomLeft.X,bottomLeft.Y);return transform},this.sampleGrid=function(image,transform,dimension){var sampler=GridSampler;return sampler.sampleGrid3(image,dimension,transform)},this.processFinderPatternInfo=function(info){var topLeft=info.TopLeft,topRight=info.TopRight,bottomLeft=info.BottomLeft,moduleSize=this.calculateModuleSize(topLeft,topRight,bottomLeft);if(1>moduleSize)throw"Error";var dimension=this.computeDimension(topLeft,topRight,bottomLeft,moduleSize),provisionalVersion=Version.getProvisionalVersionForDimension(dimension),modulesBetweenFPCenters=provisionalVersion.DimensionForVersion-7,alignmentPattern=null;if(provisionalVersion.AlignmentPatternCenters.length>0)for(var bottomRightX=topRight.X-topLeft.X+bottomLeft.X,bottomRightY=topRight.Y-topLeft.Y+bottomLeft.Y,correctionToTopLeft=1-3/modulesBetweenFPCenters,estAlignmentX=Math.floor(topLeft.X+correctionToTopLeft*(bottomRightX-topLeft.X)),estAlignmentY=Math.floor(topLeft.Y+correctionToTopLeft*(bottomRightY-topLeft.Y)),i=4;16>=i;i<<=1){alignmentPattern=this.findAlignmentInRegion(moduleSize,estAlignmentX,estAlignmentY,i);break}var points,transform=this.createTransform(topLeft,topRight,bottomLeft,alignmentPattern,dimension),bits=this.sampleGrid(this.image,transform,dimension);return points=null==alignmentPattern?new Array(bottomLeft,topLeft,topRight):new Array(bottomLeft,topLeft,topRight,alignmentPattern),new DetectorResult(bits,points)},this.detect=function(){var info=(new FinderPatternFinder).findFinderPattern(this.image);return this.processFinderPatternInfo(info)}}function FormatInformation(formatInfo){this.errorCorrectionLevel=ErrorCorrectionLevel.forBits(formatInfo>>3&3),this.dataMask=7&formatInfo,this.__defineGetter__("ErrorCorrectionLevel",function(){return this.errorCorrectionLevel}),this.__defineGetter__("DataMask",function(){return this.dataMask}),this.GetHashCode=function(){return this.errorCorrectionLevel.ordinal()<<3|dataMask},this.Equals=function(o){var other=o;return this.errorCorrectionLevel==other.errorCorrectionLevel&&this.dataMask==other.dataMask}}function ErrorCorrectionLevel(ordinal,bits,name){this.ordinal_Renamed_Field=ordinal,this.bits=bits,this.name=name,this.__defineGetter__("Bits",function(){return this.bits}),this.__defineGetter__("Name",function(){return this.name}),this.ordinal=function(){return this.ordinal_Renamed_Field}}function BitMatrix(width,height){if(height||(height=width),1>width||1>height)throw"Both dimensions must be greater than 0";this.width=width,this.height=height;var rowSize=width>>5;0!=(31&width)&&rowSize++,this.rowSize=rowSize,this.bits=new Array(rowSize*height);for(var i=0;i<this.bits.length;i++)this.bits[i]=0;this.__defineGetter__("Width",function(){return this.width}),this.__defineGetter__("Height",function(){return this.height}),this.__defineGetter__("Dimension",function(){if(this.width!=this.height)throw"Can't call getDimension() on a non-square matrix";return this.width}),this.get_Renamed=function(x,y){var offset=y*this.rowSize+(x>>5);return 0!=(1&URShift(this.bits[offset],31&x))},this.set_Renamed=function(x,y){var offset=y*this.rowSize+(x>>5);this.bits[offset]|=1<<(31&x)},this.flip=function(x,y){var offset=y*this.rowSize+(x>>5);this.bits[offset]^=1<<(31&x)},this.clear=function(){for(var max=this.bits.length,i=0;max>i;i++)this.bits[i]=0},this.setRegion=function(left,top,width,height){if(0>top||0>left)throw"Left and top must be nonnegative";if(1>height||1>width)throw"Height and width must be at least 1";var right=left+width,bottom=top+height;if(bottom>this.height||right>this.width)throw"The region must fit inside the matrix";for(var y=top;bottom>y;y++)for(var offset=y*this.rowSize,x=left;right>x;x++)this.bits[offset+(x>>5)]|=1<<(31&x)}}function DataBlock(numDataCodewords,codewords){this.numDataCodewords=numDataCodewords,this.codewords=codewords,this.__defineGetter__("NumDataCodewords",function(){return this.numDataCodewords}),this.__defineGetter__("Codewords",function(){return this.codewords})}function BitMatrixParser(bitMatrix){var dimension=bitMatrix.Dimension;if(21>dimension||1!=(3&dimension))throw"Error BitMatrixParser";this.bitMatrix=bitMatrix,this.parsedVersion=null,this.parsedFormatInfo=null,this.copyBit=function(i,j,versionBits){return this.bitMatrix.get_Renamed(i,j)?versionBits<<1|1:versionBits<<1},this.readFormatInformation=function(){if(null!=this.parsedFormatInfo)return this.parsedFormatInfo;for(var formatInfoBits=0,i=0;6>i;i++)formatInfoBits=this.copyBit(i,8,formatInfoBits);formatInfoBits=this.copyBit(7,8,formatInfoBits),formatInfoBits=this.copyBit(8,8,formatInfoBits),formatInfoBits=this.copyBit(8,7,formatInfoBits);for(var j=5;j>=0;j--)formatInfoBits=this.copyBit(8,j,formatInfoBits);if(this.parsedFormatInfo=FormatInformation.decodeFormatInformation(formatInfoBits),null!=this.parsedFormatInfo)return this.parsedFormatInfo;var dimension=this.bitMatrix.Dimension;formatInfoBits=0;for(var iMin=dimension-8,i=dimension-1;i>=iMin;i--)formatInfoBits=this.copyBit(i,8,formatInfoBits);for(var j=dimension-7;dimension>j;j++)formatInfoBits=this.copyBit(8,j,formatInfoBits);if(this.parsedFormatInfo=FormatInformation.decodeFormatInformation(formatInfoBits),null!=this.parsedFormatInfo)return this.parsedFormatInfo;throw"Error readFormatInformation"},this.readVersion=function(){if(null!=this.parsedVersion)return this.parsedVersion;var dimension=this.bitMatrix.Dimension,provisionalVersion=dimension-17>>2;if(6>=provisionalVersion)return Version.getVersionForNumber(provisionalVersion);for(var versionBits=0,ijMin=dimension-11,j=5;j>=0;j--)for(var i=dimension-9;i>=ijMin;i--)versionBits=this.copyBit(i,j,versionBits);if(this.parsedVersion=Version.decodeVersionInformation(versionBits),null!=this.parsedVersion&&this.parsedVersion.DimensionForVersion==dimension)return this.parsedVersion;versionBits=0;for(var i=5;i>=0;i--)for(var j=dimension-9;j>=ijMin;j--)versionBits=this.copyBit(i,j,versionBits);if(this.parsedVersion=Version.decodeVersionInformation(versionBits),null!=this.parsedVersion&&this.parsedVersion.DimensionForVersion==dimension)return this.parsedVersion;throw"Error readVersion"},this.readCodewords=function(){var formatInfo=this.readFormatInformation(),version=this.readVersion(),dataMask=DataMask.forReference(formatInfo.DataMask),dimension=this.bitMatrix.Dimension;dataMask.unmaskBitMatrix(this.bitMatrix,dimension);for(var functionPattern=version.buildFunctionPattern(),readingUp=!0,result=new Array(version.TotalCodewords),resultOffset=0,currentByte=0,bitsRead=0,j=dimension-1;j>0;j-=2){6==j&&j--;for(var count=0;dimension>count;count++)for(var i=readingUp?dimension-1-count:count,col=0;2>col;col++)functionPattern.get_Renamed(j-col,i)||(bitsRead++,currentByte<<=1,this.bitMatrix.get_Renamed(j-col,i)&&(currentByte|=1),8==bitsRead&&(result[resultOffset++]=currentByte,bitsRead=0,currentByte=0));readingUp^=!0}if(resultOffset!=version.TotalCodewords)throw"Error readCodewords";return result}}function DataMask000(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){return 0==(i+j&1)}}function DataMask001(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){return 0==(1&i)}}function DataMask010(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){return j%3==0}}function DataMask011(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){return(i+j)%3==0}}function DataMask100(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){return 0==(URShift(i,1)+j/3&1)}}function DataMask101(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){var temp=i*j;return(1&temp)+temp%3==0}}function DataMask110(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){var temp=i*j;return 0==((1&temp)+temp%3&1)}}function DataMask111(){this.unmaskBitMatrix=function(bits,dimension){for(var i=0;dimension>i;i++)for(var j=0;dimension>j;j++)this.isMasked(i,j)&&bits.flip(j,i)},this.isMasked=function(i,j){return 0==((i+j&1)+i*j%3&1)}}function ReedSolomonDecoder(field){this.field=field,this.decode=function(received,twoS){for(var poly=new GF256Poly(this.field,received),syndromeCoefficients=new Array(twoS),i=0;i<syndromeCoefficients.length;i++)syndromeCoefficients[i]=0;for(var dataMatrix=!1,noError=!0,i=0;twoS>i;i++){var eval=poly.evaluateAt(this.field.exp(dataMatrix?i+1:i));syndromeCoefficients[syndromeCoefficients.length-1-i]=eval,0!=eval&&(noError=!1)}if(!noError)for(var syndrome=new GF256Poly(this.field,syndromeCoefficients),sigmaOmega=this.runEuclideanAlgorithm(this.field.buildMonomial(twoS,1),syndrome,twoS),sigma=sigmaOmega[0],omega=sigmaOmega[1],errorLocations=this.findErrorLocations(sigma),errorMagnitudes=this.findErrorMagnitudes(omega,errorLocations,dataMatrix),i=0;i<errorLocations.length;i++){var position=received.length-1-this.field.log(errorLocations[i]);if(0>position)throw"ReedSolomonException Bad error location";received[position]=GF256.addOrSubtract(received[position],errorMagnitudes[i])}},this.runEuclideanAlgorithm=function(a,b,R){if(a.Degree<b.Degree){var temp=a;a=b,b=temp}for(var rLast=a,r=b,sLast=this.field.One,s=this.field.Zero,tLast=this.field.Zero,t=this.field.One;r.Degree>=Math.floor(R/2);){var rLastLast=rLast,sLastLast=sLast,tLastLast=tLast;if(rLast=r,sLast=s,tLast=t,rLast.Zero)throw"r_{i-1} was zero";r=rLastLast;for(var q=this.field.Zero,denominatorLeadingTerm=rLast.getCoefficient(rLast.Degree),dltInverse=this.field.inverse(denominatorLeadingTerm);r.Degree>=rLast.Degree&&!r.Zero;){var degreeDiff=r.Degree-rLast.Degree,scale=this.field.multiply(r.getCoefficient(r.Degree),dltInverse);q=q.addOrSubtract(this.field.buildMonomial(degreeDiff,scale)),r=r.addOrSubtract(rLast.multiplyByMonomial(degreeDiff,scale))}s=q.multiply1(sLast).addOrSubtract(sLastLast),t=q.multiply1(tLast).addOrSubtract(tLastLast)}var sigmaTildeAtZero=t.getCoefficient(0);if(0==sigmaTildeAtZero)throw"ReedSolomonException sigmaTilde(0) was zero";var inverse=this.field.inverse(sigmaTildeAtZero),sigma=t.multiply2(inverse),omega=r.multiply2(inverse);return new Array(sigma,omega)},this.findErrorLocations=function(errorLocator){var numErrors=errorLocator.Degree;if(1==numErrors)return new Array(errorLocator.getCoefficient(1));for(var result=new Array(numErrors),e=0,i=1;256>i&&numErrors>e;i++)0==errorLocator.evaluateAt(i)&&(result[e]=this.field.inverse(i),e++);if(e!=numErrors)throw"Error locator degree does not match number of roots";return result},this.findErrorMagnitudes=function(errorEvaluator,errorLocations,dataMatrix){for(var s=errorLocations.length,result=new Array(s),i=0;s>i;i++){for(var xiInverse=this.field.inverse(errorLocations[i]),denominator=1,j=0;s>j;j++)i!=j&&(denominator=this.field.multiply(denominator,GF256.addOrSubtract(1,this.field.multiply(errorLocations[j],xiInverse))));result[i]=this.field.multiply(errorEvaluator.evaluateAt(xiInverse),this.field.inverse(denominator)),dataMatrix&&(result[i]=this.field.multiply(result[i],xiInverse))}return result}}function GF256Poly(field,coefficients){if(null==coefficients||0==coefficients.length)throw"System.ArgumentException";this.field=field;var coefficientsLength=coefficients.length;if(coefficientsLength>1&&0==coefficients[0]){for(var firstNonZero=1;coefficientsLength>firstNonZero&&0==coefficients[firstNonZero];)firstNonZero++;if(firstNonZero==coefficientsLength)this.coefficients=field.Zero.coefficients;else{this.coefficients=new Array(coefficientsLength-firstNonZero);for(var i=0;i<this.coefficients.length;i++)this.coefficients[i]=0;for(var ci=0;ci<this.coefficients.length;ci++)this.coefficients[ci]=coefficients[firstNonZero+ci]}}else this.coefficients=coefficients;this.__defineGetter__("Zero",function(){return 0==this.coefficients[0]}),this.__defineGetter__("Degree",function(){return this.coefficients.length-1}),this.__defineGetter__("Coefficients",function(){return this.coefficients}),this.getCoefficient=function(degree){return this.coefficients[this.coefficients.length-1-degree]},this.evaluateAt=function(a){if(0==a)return this.getCoefficient(0);var size=this.coefficients.length;if(1==a){for(var result=0,i=0;size>i;i++)result=GF256.addOrSubtract(result,this.coefficients[i]);return result}for(var result2=this.coefficients[0],i=1;size>i;i++)result2=GF256.addOrSubtract(this.field.multiply(a,result2),this.coefficients[i]);return result2},this.addOrSubtract=function(other){if(this.field!=other.field)throw"GF256Polys do not have same GF256 field";if(this.Zero)return other;if(other.Zero)return this;var smallerCoefficients=this.coefficients,largerCoefficients=other.coefficients;if(smallerCoefficients.length>largerCoefficients.length){var temp=smallerCoefficients;smallerCoefficients=largerCoefficients,largerCoefficients=temp}for(var sumDiff=new Array(largerCoefficients.length),lengthDiff=largerCoefficients.length-smallerCoefficients.length,ci=0;lengthDiff>ci;ci++)sumDiff[ci]=largerCoefficients[ci];for(var i=lengthDiff;i<largerCoefficients.length;i++)sumDiff[i]=GF256.addOrSubtract(smallerCoefficients[i-lengthDiff],largerCoefficients[i]);return new GF256Poly(field,sumDiff)},this.multiply1=function(other){if(this.field!=other.field)throw"GF256Polys do not have same GF256 field";if(this.Zero||other.Zero)return this.field.Zero;for(var aCoefficients=this.coefficients,aLength=aCoefficients.length,bCoefficients=other.coefficients,bLength=bCoefficients.length,product=new Array(aLength+bLength-1),i=0;aLength>i;i++)for(var aCoeff=aCoefficients[i],j=0;bLength>j;j++)product[i+j]=GF256.addOrSubtract(product[i+j],this.field.multiply(aCoeff,bCoefficients[j]));return new GF256Poly(this.field,product)},this.multiply2=function(scalar){if(0==scalar)return this.field.Zero;if(1==scalar)return this;for(var size=this.coefficients.length,product=new Array(size),i=0;size>i;i++)product[i]=this.field.multiply(this.coefficients[i],scalar);return new GF256Poly(this.field,product)},this.multiplyByMonomial=function(degree,coefficient){if(0>degree)throw"System.ArgumentException";if(0==coefficient)return this.field.Zero;for(var size=this.coefficients.length,product=new Array(size+degree),i=0;i<product.length;i++)product[i]=0;for(var i=0;size>i;i++)product[i]=this.field.multiply(this.coefficients[i],coefficient);return new GF256Poly(this.field,product)},this.divide=function(other){if(this.field!=other.field)throw"GF256Polys do not have same GF256 field";if(other.Zero)throw"Divide by 0";for(var quotient=this.field.Zero,remainder=this,denominatorLeadingTerm=other.getCoefficient(other.Degree),inverseDenominatorLeadingTerm=this.field.inverse(denominatorLeadingTerm);remainder.Degree>=other.Degree&&!remainder.Zero;){
2 | var degreeDifference=remainder.Degree-other.Degree,scale=this.field.multiply(remainder.getCoefficient(remainder.Degree),inverseDenominatorLeadingTerm),term=other.multiplyByMonomial(degreeDifference,scale),iterationQuotient=this.field.buildMonomial(degreeDifference,scale);quotient=quotient.addOrSubtract(iterationQuotient),remainder=remainder.addOrSubtract(term)}return new Array(quotient,remainder)}}function GF256(primitive){this.expTable=new Array(256),this.logTable=new Array(256);for(var x=1,i=0;256>i;i++)this.expTable[i]=x,x<<=1,x>=256&&(x^=primitive);for(var i=0;255>i;i++)this.logTable[this.expTable[i]]=i;var at0=new Array(1);at0[0]=0,this.zero=new GF256Poly(this,new Array(at0));var at1=new Array(1);at1[0]=1,this.one=new GF256Poly(this,new Array(at1)),this.__defineGetter__("Zero",function(){return this.zero}),this.__defineGetter__("One",function(){return this.one}),this.buildMonomial=function(degree,coefficient){if(0>degree)throw"System.ArgumentException";if(0==coefficient)return zero;for(var coefficients=new Array(degree+1),i=0;i<coefficients.length;i++)coefficients[i]=0;return coefficients[0]=coefficient,new GF256Poly(this,coefficients)},this.exp=function(a){return this.expTable[a]},this.log=function(a){if(0==a)throw"System.ArgumentException";return this.logTable[a]},this.inverse=function(a){if(0==a)throw"System.ArithmeticException";return this.expTable[255-this.logTable[a]]},this.multiply=function(a,b){return 0==a||0==b?0:1==a?b:1==b?a:this.expTable[(this.logTable[a]+this.logTable[b])%255]}}function URShift(number,bits){return number>=0?number>>bits:(number>>bits)+(2<<~bits)}function FinderPattern(posX,posY,estimatedModuleSize){this.x=posX,this.y=posY,this.count=1,this.estimatedModuleSize=estimatedModuleSize,this.__defineGetter__("EstimatedModuleSize",function(){return this.estimatedModuleSize}),this.__defineGetter__("Count",function(){return this.count}),this.__defineGetter__("X",function(){return this.x}),this.__defineGetter__("Y",function(){return this.y}),this.incrementCount=function(){this.count++},this.aboutEquals=function(moduleSize,i,j){if(Math.abs(i-this.y)<=moduleSize&&Math.abs(j-this.x)<=moduleSize){var moduleSizeDiff=Math.abs(moduleSize-this.estimatedModuleSize);return 1>=moduleSizeDiff||moduleSizeDiff/this.estimatedModuleSize<=1}return!1}}function FinderPatternInfo(patternCenters){this.bottomLeft=patternCenters[0],this.topLeft=patternCenters[1],this.topRight=patternCenters[2],this.__defineGetter__("BottomLeft",function(){return this.bottomLeft}),this.__defineGetter__("TopLeft",function(){return this.topLeft}),this.__defineGetter__("TopRight",function(){return this.topRight})}function FinderPatternFinder(){this.image=null,this.possibleCenters=[],this.hasSkipped=!1,this.crossCheckStateCount=new Array(0,0,0,0,0),this.resultPointCallback=null,this.__defineGetter__("CrossCheckStateCount",function(){return this.crossCheckStateCount[0]=0,this.crossCheckStateCount[1]=0,this.crossCheckStateCount[2]=0,this.crossCheckStateCount[3]=0,this.crossCheckStateCount[4]=0,this.crossCheckStateCount}),this.foundPatternCross=function(stateCount){for(var totalModuleSize=0,i=0;5>i;i++){var count=stateCount[i];if(0==count)return!1;totalModuleSize+=count}if(7>totalModuleSize)return!1;var moduleSize=Math.floor((totalModuleSize<<INTEGER_MATH_SHIFT)/7),maxVariance=Math.floor(moduleSize/2);return Math.abs(moduleSize-(stateCount[0]<<INTEGER_MATH_SHIFT))<maxVariance&&Math.abs(moduleSize-(stateCount[1]<<INTEGER_MATH_SHIFT))<maxVariance&&Math.abs(3*moduleSize-(stateCount[2]<<INTEGER_MATH_SHIFT))<3*maxVariance&&Math.abs(moduleSize-(stateCount[3]<<INTEGER_MATH_SHIFT))<maxVariance&&Math.abs(moduleSize-(stateCount[4]<<INTEGER_MATH_SHIFT))<maxVariance},this.centerFromEnd=function(stateCount,end){return end-stateCount[4]-stateCount[3]-stateCount[2]/2},this.crossCheckVertical=function(startI,centerJ,maxCount,originalStateCountTotal){for(var image=this.image,maxI=qrcode.height,stateCount=this.CrossCheckStateCount,i=startI;i>=0&&image[centerJ+i*qrcode.width];)stateCount[2]++,i--;if(0>i)return NaN;for(;i>=0&&!image[centerJ+i*qrcode.width]&&stateCount[1]<=maxCount;)stateCount[1]++,i--;if(0>i||stateCount[1]>maxCount)return NaN;for(;i>=0&&image[centerJ+i*qrcode.width]&&stateCount[0]<=maxCount;)stateCount[0]++,i--;if(stateCount[0]>maxCount)return NaN;for(i=startI+1;maxI>i&&image[centerJ+i*qrcode.width];)stateCount[2]++,i++;if(i==maxI)return NaN;for(;maxI>i&&!image[centerJ+i*qrcode.width]&&stateCount[3]<maxCount;)stateCount[3]++,i++;if(i==maxI||stateCount[3]>=maxCount)return NaN;for(;maxI>i&&image[centerJ+i*qrcode.width]&&stateCount[4]<maxCount;)stateCount[4]++,i++;if(stateCount[4]>=maxCount)return NaN;var stateCountTotal=stateCount[0]+stateCount[1]+stateCount[2]+stateCount[3]+stateCount[4];return 5*Math.abs(stateCountTotal-originalStateCountTotal)>=2*originalStateCountTotal?NaN:this.foundPatternCross(stateCount)?this.centerFromEnd(stateCount,i):NaN},this.crossCheckHorizontal=function(startJ,centerI,maxCount,originalStateCountTotal){for(var image=this.image,maxJ=qrcode.width,stateCount=this.CrossCheckStateCount,j=startJ;j>=0&&image[j+centerI*qrcode.width];)stateCount[2]++,j--;if(0>j)return NaN;for(;j>=0&&!image[j+centerI*qrcode.width]&&stateCount[1]<=maxCount;)stateCount[1]++,j--;if(0>j||stateCount[1]>maxCount)return NaN;for(;j>=0&&image[j+centerI*qrcode.width]&&stateCount[0]<=maxCount;)stateCount[0]++,j--;if(stateCount[0]>maxCount)return NaN;for(j=startJ+1;maxJ>j&&image[j+centerI*qrcode.width];)stateCount[2]++,j++;if(j==maxJ)return NaN;for(;maxJ>j&&!image[j+centerI*qrcode.width]&&stateCount[3]<maxCount;)stateCount[3]++,j++;if(j==maxJ||stateCount[3]>=maxCount)return NaN;for(;maxJ>j&&image[j+centerI*qrcode.width]&&stateCount[4]<maxCount;)stateCount[4]++,j++;if(stateCount[4]>=maxCount)return NaN;var stateCountTotal=stateCount[0]+stateCount[1]+stateCount[2]+stateCount[3]+stateCount[4];return 5*Math.abs(stateCountTotal-originalStateCountTotal)>=originalStateCountTotal?NaN:this.foundPatternCross(stateCount)?this.centerFromEnd(stateCount,j):NaN},this.handlePossibleCenter=function(stateCount,i,j){var stateCountTotal=stateCount[0]+stateCount[1]+stateCount[2]+stateCount[3]+stateCount[4],centerJ=this.centerFromEnd(stateCount,j),centerI=this.crossCheckVertical(i,Math.floor(centerJ),stateCount[2],stateCountTotal);if(!isNaN(centerI)&&(centerJ=this.crossCheckHorizontal(Math.floor(centerJ),Math.floor(centerI),stateCount[2],stateCountTotal),!isNaN(centerJ))){for(var estimatedModuleSize=stateCountTotal/7,found=!1,max=this.possibleCenters.length,index=0;max>index;index++){var center=this.possibleCenters[index];if(center.aboutEquals(estimatedModuleSize,centerI,centerJ)){center.incrementCount(),found=!0;break}}if(!found){var point=new FinderPattern(centerJ,centerI,estimatedModuleSize);this.possibleCenters.push(point),null!=this.resultPointCallback&&this.resultPointCallback.foundPossibleResultPoint(point)}return!0}return!1},this.selectBestPatterns=function(){var startSize=this.possibleCenters.length;if(3>startSize)throw"Couldn't find enough finder patterns";if(startSize>3){for(var totalModuleSize=0,i=0;startSize>i;i++)totalModuleSize+=this.possibleCenters[i].EstimatedModuleSize;for(var average=totalModuleSize/startSize,i=0;i<this.possibleCenters.length&&this.possibleCenters.length>3;i++){var pattern=this.possibleCenters[i];Math.abs(pattern.EstimatedModuleSize-average)>.2*average&&(this.possibleCenters.remove(i),i--)}}return this.possibleCenters.Count>3,new Array(this.possibleCenters[0],this.possibleCenters[1],this.possibleCenters[2])},this.findRowSkip=function(){var max=this.possibleCenters.length;if(1>=max)return 0;for(var firstConfirmedCenter=null,i=0;max>i;i++){var center=this.possibleCenters[i];if(center.Count>=CENTER_QUORUM){if(null!=firstConfirmedCenter)return this.hasSkipped=!0,Math.floor((Math.abs(firstConfirmedCenter.X-center.X)-Math.abs(firstConfirmedCenter.Y-center.Y))/2);firstConfirmedCenter=center}}return 0},this.haveMultiplyConfirmedCenters=function(){for(var confirmedCount=0,totalModuleSize=0,max=this.possibleCenters.length,i=0;max>i;i++){var pattern=this.possibleCenters[i];pattern.Count>=CENTER_QUORUM&&(confirmedCount++,totalModuleSize+=pattern.EstimatedModuleSize)}if(3>confirmedCount)return!1;for(var average=totalModuleSize/max,totalDeviation=0,i=0;max>i;i++)pattern=this.possibleCenters[i],totalDeviation+=Math.abs(pattern.EstimatedModuleSize-average);return.05*totalModuleSize>=totalDeviation},this.findFinderPattern=function(image){var tryHarder=!1;this.image=image;var maxI=qrcode.height,maxJ=qrcode.width,iSkip=Math.floor(3*maxI/(4*MAX_MODULES));(MIN_SKIP>iSkip||tryHarder)&&(iSkip=MIN_SKIP);for(var done=!1,stateCount=new Array(5),i=iSkip-1;maxI>i&&!done;i+=iSkip){stateCount[0]=0,stateCount[1]=0,stateCount[2]=0,stateCount[3]=0,stateCount[4]=0;for(var currentState=0,j=0;maxJ>j;j++)if(image[j+i*qrcode.width])1==(1&currentState)&&currentState++,stateCount[currentState]++;else if(0==(1&currentState))if(4==currentState)if(this.foundPatternCross(stateCount)){var confirmed=this.handlePossibleCenter(stateCount,i,j);if(confirmed)if(iSkip=2,this.hasSkipped)done=this.haveMultiplyConfirmedCenters();else{var rowSkip=this.findRowSkip();rowSkip>stateCount[2]&&(i+=rowSkip-stateCount[2]-iSkip,j=maxJ-1)}else{do j++;while(maxJ>j&&!image[j+i*qrcode.width]);j--}currentState=0,stateCount[0]=0,stateCount[1]=0,stateCount[2]=0,stateCount[3]=0,stateCount[4]=0}else stateCount[0]=stateCount[2],stateCount[1]=stateCount[3],stateCount[2]=stateCount[4],stateCount[3]=1,stateCount[4]=0,currentState=3;else stateCount[++currentState]++;else stateCount[currentState]++;if(this.foundPatternCross(stateCount)){var confirmed=this.handlePossibleCenter(stateCount,i,maxJ);confirmed&&(iSkip=stateCount[0],this.hasSkipped&&(done=haveMultiplyConfirmedCenters()))}}var patternInfo=this.selectBestPatterns();return qrcode.orderBestPatterns(patternInfo),new FinderPatternInfo(patternInfo)}}function AlignmentPattern(posX,posY,estimatedModuleSize){this.x=posX,this.y=posY,this.count=1,this.estimatedModuleSize=estimatedModuleSize,this.__defineGetter__("EstimatedModuleSize",function(){return this.estimatedModuleSize}),this.__defineGetter__("Count",function(){return this.count}),this.__defineGetter__("X",function(){return Math.floor(this.x)}),this.__defineGetter__("Y",function(){return Math.floor(this.y)}),this.incrementCount=function(){this.count++},this.aboutEquals=function(moduleSize,i,j){if(Math.abs(i-this.y)<=moduleSize&&Math.abs(j-this.x)<=moduleSize){var moduleSizeDiff=Math.abs(moduleSize-this.estimatedModuleSize);return 1>=moduleSizeDiff||moduleSizeDiff/this.estimatedModuleSize<=1}return!1}}function AlignmentPatternFinder(image,startX,startY,width,height,moduleSize,resultPointCallback){this.image=image,this.possibleCenters=new Array,this.startX=startX,this.startY=startY,this.width=width,this.height=height,this.moduleSize=moduleSize,this.crossCheckStateCount=new Array(0,0,0),this.resultPointCallback=resultPointCallback,this.centerFromEnd=function(stateCount,end){return end-stateCount[2]-stateCount[1]/2},this.foundPatternCross=function(stateCount){for(var moduleSize=this.moduleSize,maxVariance=moduleSize/2,i=0;3>i;i++)if(Math.abs(moduleSize-stateCount[i])>=maxVariance)return!1;return!0},this.crossCheckVertical=function(startI,centerJ,maxCount,originalStateCountTotal){var image=this.image,maxI=qrcode.height,stateCount=this.crossCheckStateCount;stateCount[0]=0,stateCount[1]=0,stateCount[2]=0;for(var i=startI;i>=0&&image[centerJ+i*qrcode.width]&&stateCount[1]<=maxCount;)stateCount[1]++,i--;if(0>i||stateCount[1]>maxCount)return NaN;for(;i>=0&&!image[centerJ+i*qrcode.width]&&stateCount[0]<=maxCount;)stateCount[0]++,i--;if(stateCount[0]>maxCount)return NaN;for(i=startI+1;maxI>i&&image[centerJ+i*qrcode.width]&&stateCount[1]<=maxCount;)stateCount[1]++,i++;if(i==maxI||stateCount[1]>maxCount)return NaN;for(;maxI>i&&!image[centerJ+i*qrcode.width]&&stateCount[2]<=maxCount;)stateCount[2]++,i++;if(stateCount[2]>maxCount)return NaN;var stateCountTotal=stateCount[0]+stateCount[1]+stateCount[2];return 5*Math.abs(stateCountTotal-originalStateCountTotal)>=2*originalStateCountTotal?NaN:this.foundPatternCross(stateCount)?this.centerFromEnd(stateCount,i):NaN},this.handlePossibleCenter=function(stateCount,i,j){var stateCountTotal=stateCount[0]+stateCount[1]+stateCount[2],centerJ=this.centerFromEnd(stateCount,j),centerI=this.crossCheckVertical(i,Math.floor(centerJ),2*stateCount[1],stateCountTotal);if(!isNaN(centerI)){for(var estimatedModuleSize=(stateCount[0]+stateCount[1]+stateCount[2])/3,max=this.possibleCenters.length,index=0;max>index;index++){var center=this.possibleCenters[index];if(center.aboutEquals(estimatedModuleSize,centerI,centerJ))return new AlignmentPattern(centerJ,centerI,estimatedModuleSize)}var point=new AlignmentPattern(centerJ,centerI,estimatedModuleSize);this.possibleCenters.push(point),null!=this.resultPointCallback&&this.resultPointCallback.foundPossibleResultPoint(point)}return null},this.find=function(){for(var startX=this.startX,height=this.height,maxJ=startX+width,middleI=startY+(height>>1),stateCount=new Array(0,0,0),iGen=0;height>iGen;iGen++){var i=middleI+(0==(1&iGen)?iGen+1>>1:-(iGen+1>>1));stateCount[0]=0,stateCount[1]=0,stateCount[2]=0;for(var j=startX;maxJ>j&&!image[j+qrcode.width*i];)j++;for(var currentState=0;maxJ>j;){if(image[j+i*qrcode.width])if(1==currentState)stateCount[currentState]++;else if(2==currentState){if(this.foundPatternCross(stateCount)){var confirmed=this.handlePossibleCenter(stateCount,i,j);if(null!=confirmed)return confirmed}stateCount[0]=stateCount[2],stateCount[1]=1,stateCount[2]=0,currentState=1}else stateCount[++currentState]++;else 1==currentState&&currentState++,stateCount[currentState]++;j++}if(this.foundPatternCross(stateCount)){var confirmed=this.handlePossibleCenter(stateCount,i,maxJ);if(null!=confirmed)return confirmed}}if(0!=this.possibleCenters.length)return this.possibleCenters[0];throw"Couldn't find enough alignment patterns"}}function QRCodeDataBlockReader(blocks,version,numErrorCorrectionCode){this.blockPointer=0,this.bitPointer=7,this.dataLength=0,this.blocks=blocks,this.numErrorCorrectionCode=numErrorCorrectionCode,9>=version?this.dataLengthMode=0:version>=10&&26>=version?this.dataLengthMode=1:version>=27&&40>=version&&(this.dataLengthMode=2),this.getNextBits=function(numBits){var bits=0;if(numBits<this.bitPointer+1){for(var mask=0,i=0;numBits>i;i++)mask+=1<<i;return mask<<=this.bitPointer-numBits+1,bits=(this.blocks[this.blockPointer]&mask)>>this.bitPointer-numBits+1,this.bitPointer-=numBits,bits}if(numBits<this.bitPointer+1+8){for(var mask1=0,i=0;i<this.bitPointer+1;i++)mask1+=1<<i;return bits=(this.blocks[this.blockPointer]&mask1)<<numBits-(this.bitPointer+1),this.blockPointer++,bits+=this.blocks[this.blockPointer]>>8-(numBits-(this.bitPointer+1)),this.bitPointer=this.bitPointer-numBits%8,this.bitPointer<0&&(this.bitPointer=8+this.bitPointer),bits}if(numBits<this.bitPointer+1+16){for(var mask1=0,mask3=0,i=0;i<this.bitPointer+1;i++)mask1+=1<<i;var bitsFirstBlock=(this.blocks[this.blockPointer]&mask1)<<numBits-(this.bitPointer+1);this.blockPointer++;var bitsSecondBlock=this.blocks[this.blockPointer]<<numBits-(this.bitPointer+1+8);this.blockPointer++;for(var i=0;i<numBits-(this.bitPointer+1+8);i++)mask3+=1<<i;mask3<<=8-(numBits-(this.bitPointer+1+8));var bitsThirdBlock=(this.blocks[this.blockPointer]&mask3)>>8-(numBits-(this.bitPointer+1+8));return bits=bitsFirstBlock+bitsSecondBlock+bitsThirdBlock,this.bitPointer=this.bitPointer-(numBits-8)%8,this.bitPointer<0&&(this.bitPointer=8+this.bitPointer),bits}return 0},this.NextMode=function(){return this.blockPointer>this.blocks.length-this.numErrorCorrectionCode-2?0:this.getNextBits(4)},this.getDataLength=function(modeIndicator){for(var index=0;;){if(modeIndicator>>index==1)break;index++}return this.getNextBits(qrcode.sizeOfDataLengthInfo[this.dataLengthMode][index])},this.getRomanAndFigureString=function(dataLength){var length=dataLength,intData=0,strData="",tableRomanAndFigure=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"," ","$","%","*","+","-",".","/",":");do if(length>1){intData=this.getNextBits(11);var firstLetter=Math.floor(intData/45),secondLetter=intData%45;strData+=tableRomanAndFigure[firstLetter],strData+=tableRomanAndFigure[secondLetter],length-=2}else 1==length&&(intData=this.getNextBits(6),strData+=tableRomanAndFigure[intData],length-=1);while(length>0);return strData},this.getFigureString=function(dataLength){var length=dataLength,intData=0,strData="";do length>=3?(intData=this.getNextBits(10),100>intData&&(strData+="0"),10>intData&&(strData+="0"),length-=3):2==length?(intData=this.getNextBits(7),10>intData&&(strData+="0"),length-=2):1==length&&(intData=this.getNextBits(4),length-=1),strData+=intData;while(length>0);return strData},this.get8bitByteArray=function(dataLength){var length=dataLength,intData=0,output=new Array;do intData=this.getNextBits(8),output.push(intData),length--;while(length>0);return output},this.getKanjiString=function(dataLength){var length=dataLength,intData=0,unicodeString="";do{intData=getNextBits(13);var lowerByte=intData%192,higherByte=intData/192,tempWord=(higherByte<<8)+lowerByte,shiftjisWord=0;shiftjisWord=40956>=tempWord+33088?tempWord+33088:tempWord+49472,unicodeString+=String.fromCharCode(shiftjisWord),length--}while(length>0);return unicodeString},this.__defineGetter__("DataByte",function(){for(var output=new Array,MODE_NUMBER=1,MODE_ROMAN_AND_NUMBER=2,MODE_8BIT_BYTE=4,MODE_KANJI=8;;){var mode=this.NextMode();if(0==mode){if(output.length>0)break;throw"Empty data block"}if(mode!=MODE_NUMBER&&mode!=MODE_ROMAN_AND_NUMBER&&mode!=MODE_8BIT_BYTE&&mode!=MODE_KANJI)throw"Invalid mode: "+mode+" in (block:"+this.blockPointer+" bit:"+this.bitPointer+")";if(dataLength=this.getDataLength(mode),dataLength<1)throw"Invalid data length: "+dataLength;switch(mode){case MODE_NUMBER:for(var temp_str=this.getFigureString(dataLength),ta=new Array(temp_str.length),j=0;j<temp_str.length;j++)ta[j]=temp_str.charCodeAt(j);output.push(ta);break;case MODE_ROMAN_AND_NUMBER:for(var temp_str=this.getRomanAndFigureString(dataLength),ta=new Array(temp_str.length),j=0;j<temp_str.length;j++)ta[j]=temp_str.charCodeAt(j);output.push(ta);break;case MODE_8BIT_BYTE:var temp_sbyteArray3=this.get8bitByteArray(dataLength);output.push(temp_sbyteArray3);break;case MODE_KANJI:var temp_str=this.getKanjiString(dataLength);output.push(temp_str)}}return output})}GridSampler={},GridSampler.checkAndNudgePoints=function(image,points){for(var width=qrcode.width,height=qrcode.height,nudged=!0,offset=0;offset<points.Length&&nudged;offset+=2){var x=Math.floor(points[offset]),y=Math.floor(points[offset+1]);if(-1>x||x>width||-1>y||y>height)throw"Error.checkAndNudgePoints ";nudged=!1,-1==x?(points[offset]=0,nudged=!0):x==width&&(points[offset]=width-1,nudged=!0),-1==y?(points[offset+1]=0,nudged=!0):y==height&&(points[offset+1]=height-1,nudged=!0)}nudged=!0;for(var offset=points.Length-2;offset>=0&&nudged;offset-=2){var x=Math.floor(points[offset]),y=Math.floor(points[offset+1]);if(-1>x||x>width||-1>y||y>height)throw"Error.checkAndNudgePoints ";nudged=!1,-1==x?(points[offset]=0,nudged=!0):x==width&&(points[offset]=width-1,nudged=!0),-1==y?(points[offset+1]=0,nudged=!0):y==height&&(points[offset+1]=height-1,nudged=!0)}},GridSampler.sampleGrid3=function(image,dimension,transform){for(var bits=new BitMatrix(dimension),points=new Array(dimension<<1),y=0;dimension>y;y++){for(var max=points.length,iValue=y+.5,x=0;max>x;x+=2)points[x]=(x>>1)+.5,points[x+1]=iValue;transform.transformPoints1(points),GridSampler.checkAndNudgePoints(image,points);try{for(var x=0;max>x;x+=2){var xpoint=4*Math.floor(points[x])+Math.floor(points[x+1])*qrcode.width*4,bit=image[Math.floor(points[x])+qrcode.width*Math.floor(points[x+1])];qrcode.imagedata.data[xpoint]=bit?255:0,qrcode.imagedata.data[xpoint+1]=bit?255:0,qrcode.imagedata.data[xpoint+2]=0,qrcode.imagedata.data[xpoint+3]=255,bit&&bits.set_Renamed(x>>1,y)}}catch(aioobe){throw"Error.checkAndNudgePoints"}}return bits},GridSampler.sampleGridx=function(image,dimension,p1ToX,p1ToY,p2ToX,p2ToY,p3ToX,p3ToY,p4ToX,p4ToY,p1FromX,p1FromY,p2FromX,p2FromY,p3FromX,p3FromY,p4FromX,p4FromY){var transform=PerspectiveTransform.quadrilateralToQuadrilateral(p1ToX,p1ToY,p2ToX,p2ToY,p3ToX,p3ToY,p4ToX,p4ToY,p1FromX,p1FromY,p2FromX,p2FromY,p3FromX,p3FromY,p4FromX,p4FromY);return GridSampler.sampleGrid3(image,dimension,transform)},Version.VERSION_DECODE_INFO=new Array(31892,34236,39577,42195,48118,51042,55367,58893,63784,68472,70749,76311,79154,84390,87683,92361,96236,102084,102881,110507,110734,117786,119615,126325,127568,133589,136944,141498,145311,150283,152622,158308,161089,167017),Version.VERSIONS=buildVersions(),Version.getVersionForNumber=function(versionNumber){if(1>versionNumber||versionNumber>40)throw"ArgumentException";return Version.VERSIONS[versionNumber-1]},Version.getProvisionalVersionForDimension=function(dimension){if(dimension%4!=1)throw"Error getProvisionalVersionForDimension";try{return Version.getVersionForNumber(dimension-17>>2)}catch(iae){throw"Error getVersionForNumber"}},Version.decodeVersionInformation=function(versionBits){for(var bestDifference=4294967295,bestVersion=0,i=0;i<Version.VERSION_DECODE_INFO.length;i++){var targetVersion=Version.VERSION_DECODE_INFO[i];if(targetVersion==versionBits)return this.getVersionForNumber(i+7);var bitsDifference=FormatInformation.numBitsDiffering(versionBits,targetVersion);bestDifference>bitsDifference&&(bestVersion=i+7,bestDifference=bitsDifference)}return 3>=bestDifference?this.getVersionForNumber(bestVersion):null},PerspectiveTransform.quadrilateralToQuadrilateral=function(x0,y0,x1,y1,x2,y2,x3,y3,x0p,y0p,x1p,y1p,x2p,y2p,x3p,y3p){var qToS=this.quadrilateralToSquare(x0,y0,x1,y1,x2,y2,x3,y3),sToQ=this.squareToQuadrilateral(x0p,y0p,x1p,y1p,x2p,y2p,x3p,y3p);return sToQ.times(qToS)},PerspectiveTransform.squareToQuadrilateral=function(x0,y0,x1,y1,x2,y2,x3,y3){return dy2=y3-y2,dy3=y0-y1+y2-y3,0==dy2&&0==dy3?new PerspectiveTransform(x1-x0,x2-x1,x0,y1-y0,y2-y1,y0,0,0,1):(dx1=x1-x2,dx2=x3-x2,dx3=x0-x1+x2-x3,dy1=y1-y2,denominator=dx1*dy2-dx2*dy1,a13=(dx3*dy2-dx2*dy3)/denominator,a23=(dx1*dy3-dx3*dy1)/denominator,new PerspectiveTransform(x1-x0+a13*x1,x3-x0+a23*x3,x0,y1-y0+a13*y1,y3-y0+a23*y3,y0,a13,a23,1))},PerspectiveTransform.quadrilateralToSquare=function(x0,y0,x1,y1,x2,y2,x3,y3){return this.squareToQuadrilateral(x0,y0,x1,y1,x2,y2,x3,y3).buildAdjoint()};var FORMAT_INFO_MASK_QR=21522,FORMAT_INFO_DECODE_LOOKUP=new Array(new Array(21522,0),new Array(20773,1),new Array(24188,2),new Array(23371,3),new Array(17913,4),new Array(16590,5),new Array(20375,6),new Array(19104,7),new Array(30660,8),new Array(29427,9),new Array(32170,10),new Array(30877,11),new Array(26159,12),new Array(25368,13),new Array(27713,14),new Array(26998,15),new Array(5769,16),new Array(5054,17),new Array(7399,18),new Array(6608,19),new Array(1890,20),new Array(597,21),new Array(3340,22),new Array(2107,23),new Array(13663,24),new Array(12392,25),new Array(16177,26),new Array(14854,27),new Array(9396,28),new Array(8579,29),new Array(11994,30),new Array(11245,31)),BITS_SET_IN_HALF_BYTE=new Array(0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4);FormatInformation.numBitsDiffering=function(a,b){return a^=b,BITS_SET_IN_HALF_BYTE[15&a]+BITS_SET_IN_HALF_BYTE[15&URShift(a,4)]+BITS_SET_IN_HALF_BYTE[15&URShift(a,8)]+BITS_SET_IN_HALF_BYTE[15&URShift(a,12)]+BITS_SET_IN_HALF_BYTE[15&URShift(a,16)]+BITS_SET_IN_HALF_BYTE[15&URShift(a,20)]+BITS_SET_IN_HALF_BYTE[15&URShift(a,24)]+BITS_SET_IN_HALF_BYTE[15&URShift(a,28)]},FormatInformation.decodeFormatInformation=function(maskedFormatInfo){var formatInfo=FormatInformation.doDecodeFormatInformation(maskedFormatInfo);return null!=formatInfo?formatInfo:FormatInformation.doDecodeFormatInformation(maskedFormatInfo^FORMAT_INFO_MASK_QR)},FormatInformation.doDecodeFormatInformation=function(maskedFormatInfo){for(var bestDifference=4294967295,bestFormatInfo=0,i=0;i<FORMAT_INFO_DECODE_LOOKUP.length;i++){var decodeInfo=FORMAT_INFO_DECODE_LOOKUP[i],targetInfo=decodeInfo[0];if(targetInfo==maskedFormatInfo)return new FormatInformation(decodeInfo[1]);var bitsDifference=this.numBitsDiffering(maskedFormatInfo,targetInfo);bestDifference>bitsDifference&&(bestFormatInfo=decodeInfo[1],bestDifference=bitsDifference)}return 3>=bestDifference?new FormatInformation(bestFormatInfo):null},ErrorCorrectionLevel.forBits=function(bits){if(0>bits||bits>=FOR_BITS.Length)throw"ArgumentException";return FOR_BITS[bits]};var L=new ErrorCorrectionLevel(0,1,"L"),M=new ErrorCorrectionLevel(1,0,"M"),Q=new ErrorCorrectionLevel(2,3,"Q"),H=new ErrorCorrectionLevel(3,2,"H"),FOR_BITS=new Array(M,L,H,Q);DataBlock.getDataBlocks=function(rawCodewords,version,ecLevel){if(rawCodewords.length!=version.TotalCodewords)throw"ArgumentException";for(var ecBlocks=version.getECBlocksForLevel(ecLevel),totalBlocks=0,ecBlockArray=ecBlocks.getECBlocks(),i=0;i<ecBlockArray.length;i++)totalBlocks+=ecBlockArray[i].Count;for(var result=new Array(totalBlocks),numResultBlocks=0,j=0;j<ecBlockArray.length;j++)for(var ecBlock=ecBlockArray[j],i=0;i<ecBlock.Count;i++){var numDataCodewords=ecBlock.DataCodewords,numBlockCodewords=ecBlocks.ECCodewordsPerBlock+numDataCodewords;result[numResultBlocks++]=new DataBlock(numDataCodewords,new Array(numBlockCodewords))}for(var shorterBlocksTotalCodewords=result[0].codewords.length,longerBlocksStartAt=result.length-1;longerBlocksStartAt>=0;){var numCodewords=result[longerBlocksStartAt].codewords.length;if(numCodewords==shorterBlocksTotalCodewords)break;longerBlocksStartAt--}longerBlocksStartAt++;for(var shorterBlocksNumDataCodewords=shorterBlocksTotalCodewords-ecBlocks.ECCodewordsPerBlock,rawCodewordsOffset=0,i=0;shorterBlocksNumDataCodewords>i;i++)for(var j=0;numResultBlocks>j;j++)result[j].codewords[i]=rawCodewords[rawCodewordsOffset++];for(var j=longerBlocksStartAt;numResultBlocks>j;j++)result[j].codewords[shorterBlocksNumDataCodewords]=rawCodewords[rawCodewordsOffset++];for(var max=result[0].codewords.length,i=shorterBlocksNumDataCodewords;max>i;i++)for(var j=0;numResultBlocks>j;j++){var iOffset=longerBlocksStartAt>j?i:i+1;result[j].codewords[iOffset]=rawCodewords[rawCodewordsOffset++]}return result},DataMask={},DataMask.forReference=function(reference){if(0>reference||reference>7)throw"System.ArgumentException";return DataMask.DATA_MASKS[reference]},DataMask.DATA_MASKS=new Array(new DataMask000,new DataMask001,new DataMask010,new DataMask011,new DataMask100,new DataMask101,new DataMask110,new DataMask111),GF256.QR_CODE_FIELD=new GF256(285),GF256.DATA_MATRIX_FIELD=new GF256(301),GF256.addOrSubtract=function(a,b){return a^b},Decoder={},Decoder.rsDecoder=new ReedSolomonDecoder(GF256.QR_CODE_FIELD),Decoder.correctErrors=function(codewordBytes,numDataCodewords){for(var numCodewords=codewordBytes.length,codewordsInts=new Array(numCodewords),i=0;numCodewords>i;i++)codewordsInts[i]=255&codewordBytes[i];var numECCodewords=codewordBytes.length-numDataCodewords;try{Decoder.rsDecoder.decode(codewordsInts,numECCodewords)}catch(rse){throw rse}for(var i=0;numDataCodewords>i;i++)codewordBytes[i]=codewordsInts[i]},Decoder.decode=function(bits){for(var parser=new BitMatrixParser(bits),version=parser.readVersion(),ecLevel=parser.readFormatInformation().ErrorCorrectionLevel,codewords=parser.readCodewords(),dataBlocks=DataBlock.getDataBlocks(codewords,version,ecLevel),totalBytes=0,i=0;i<dataBlocks.Length;i++)totalBytes+=dataBlocks[i].NumDataCodewords;for(var resultBytes=new Array(totalBytes),resultOffset=0,j=0;j<dataBlocks.length;j++){var dataBlock=dataBlocks[j],codewordBytes=dataBlock.Codewords,numDataCodewords=dataBlock.NumDataCodewords;Decoder.correctErrors(codewordBytes,numDataCodewords);for(var i=0;numDataCodewords>i;i++)resultBytes[resultOffset++]=codewordBytes[i]}var reader=new QRCodeDataBlockReader(resultBytes,version.VersionNumber,ecLevel.Bits);return reader},qrcode={},qrcode.imagedata=null,qrcode.width=0,qrcode.height=0,qrcode.qrCodeSymbol=null,qrcode.debug=!1,qrcode.sizeOfDataLengthInfo=[[10,9,8,8],[12,11,16,10],[14,13,16,12]],qrcode.callback=null,qrcode.decode=function(src){if(0==arguments.length){var canvas_qr=document.getElementById("qr-canvas"),context=canvas_qr.getContext("2d");return qrcode.width=canvas_qr.width,qrcode.height=canvas_qr.height,qrcode.imagedata=context.getImageData(0,0,qrcode.width,qrcode.height),qrcode.result=qrcode.process(context),null!=qrcode.callback&&qrcode.callback(qrcode.result),qrcode.result}var image=new Image;image.onload=function(){var canvas_qr=document.createElement("canvas"),context=canvas_qr.getContext("2d"),canvas_out=document.getElementById("out-canvas");if(null!=canvas_out){var outctx=canvas_out.getContext("2d");outctx.clearRect(0,0,320,240),outctx.drawImage(image,0,0,320,240)}canvas_qr.width=image.width,canvas_qr.height=image.height,context.drawImage(image,0,0),qrcode.width=image.width,qrcode.height=image.height;try{qrcode.imagedata=context.getImageData(0,0,image.width,image.height)}catch(e){return qrcode.result="Cross domain image reading not supported in your browser! Save it to your computer then drag and drop the file!",void(null!=qrcode.callback&&qrcode.callback(qrcode.result))}try{qrcode.result=qrcode.process(context)}catch(e){console.log(e),qrcode.result="error decoding QR Code"}null!=qrcode.callback&&qrcode.callback(qrcode.result)},image.src=src},qrcode.decode_utf8=function(s){return decodeURIComponent(escape(s))},qrcode.process=function(ctx){var start=(new Date).getTime(),image=qrcode.grayScaleToBitmap(qrcode.grayscale());if(qrcode.debug){for(var y=0;y<qrcode.height;y++)for(var x=0;x<qrcode.width;x++){var point=4*x+y*qrcode.width*4;qrcode.imagedata.data[point]=(image[x+y*qrcode.width],0),qrcode.imagedata.data[point+1]=(image[x+y*qrcode.width],0),qrcode.imagedata.data[point+2]=image[x+y*qrcode.width]?255:0}ctx.putImageData(qrcode.imagedata,0,0)}var detector=new Detector(image),qRCodeMatrix=detector.detect();qrcode.debug&&ctx.putImageData(qrcode.imagedata,0,0);for(var reader=Decoder.decode(qRCodeMatrix.bits),data=reader.DataByte,str="",i=0;i<data.length;i++)for(var j=0;j<data[i].length;j++)str+=String.fromCharCode(data[i][j]);var end=(new Date).getTime(),time=end-start;return console.log(time),qrcode.decode_utf8(str)},qrcode.getPixel=function(x,y){if(qrcode.width<x)throw"point error";if(qrcode.height<y)throw"point error";return point=4*x+y*qrcode.width*4,p=(33*qrcode.imagedata.data[point]+34*qrcode.imagedata.data[point+1]+33*qrcode.imagedata.data[point+2])/100,p},qrcode.binarize=function(th){for(var ret=new Array(qrcode.width*qrcode.height),y=0;y<qrcode.height;y++)for(var x=0;x<qrcode.width;x++){var gray=qrcode.getPixel(x,y);ret[x+y*qrcode.width]=th>=gray?!0:!1}return ret},qrcode.getMiddleBrightnessPerArea=function(image){for(var numSqrtArea=4,areaWidth=Math.floor(qrcode.width/numSqrtArea),areaHeight=Math.floor(qrcode.height/numSqrtArea),minmax=new Array(numSqrtArea),i=0;numSqrtArea>i;i++){minmax[i]=new Array(numSqrtArea);for(var i2=0;numSqrtArea>i2;i2++)minmax[i][i2]=new Array(0,0)}for(var ay=0;numSqrtArea>ay;ay++)for(var ax=0;numSqrtArea>ax;ax++){minmax[ax][ay][0]=255;for(var dy=0;areaHeight>dy;dy++)for(var dx=0;areaWidth>dx;dx++){var target=image[areaWidth*ax+dx+(areaHeight*ay+dy)*qrcode.width];target<minmax[ax][ay][0]&&(minmax[ax][ay][0]=target),target>minmax[ax][ay][1]&&(minmax[ax][ay][1]=target)}}for(var middle=new Array(numSqrtArea),i3=0;numSqrtArea>i3;i3++)middle[i3]=new Array(numSqrtArea);for(var ay=0;numSqrtArea>ay;ay++)for(var ax=0;numSqrtArea>ax;ax++)middle[ax][ay]=Math.floor((minmax[ax][ay][0]+minmax[ax][ay][1])/2);return middle},qrcode.grayScaleToBitmap=function(grayScale){for(var middle=qrcode.getMiddleBrightnessPerArea(grayScale),sqrtNumArea=middle.length,areaWidth=Math.floor(qrcode.width/sqrtNumArea),areaHeight=Math.floor(qrcode.height/sqrtNumArea),bitmap=new Array(qrcode.height*qrcode.width),ay=0;sqrtNumArea>ay;ay++)for(var ax=0;sqrtNumArea>ax;ax++)for(var dy=0;areaHeight>dy;dy++)for(var dx=0;areaWidth>dx;dx++)bitmap[areaWidth*ax+dx+(areaHeight*ay+dy)*qrcode.width]=grayScale[areaWidth*ax+dx+(areaHeight*ay+dy)*qrcode.width]<middle[ax][ay]?!0:!1;
3 | return bitmap},qrcode.grayscale=function(){for(var ret=new Array(qrcode.width*qrcode.height),y=0;y<qrcode.height;y++)for(var x=0;x<qrcode.width;x++){var gray=qrcode.getPixel(x,y);ret[x+y*qrcode.width]=gray}return ret},Array.prototype.remove=function(from,to){var rest=this.slice((to||from)+1||this.length);return this.length=0>from?this.length+from:from,this.push.apply(this,rest)};var MIN_SKIP=3,MAX_MODULES=57,INTEGER_MATH_SHIFT=8,CENTER_QUORUM=2;qrcode.orderBestPatterns=function(patterns){function distance(pattern1,pattern2){return xDiff=pattern1.X-pattern2.X,yDiff=pattern1.Y-pattern2.Y,Math.sqrt(xDiff*xDiff+yDiff*yDiff)}function crossProductZ(pointA,pointB,pointC){var bX=pointB.x,bY=pointB.y;return(pointC.x-bX)*(pointA.y-bY)-(pointC.y-bY)*(pointA.x-bX)}var pointA,pointB,pointC,zeroOneDistance=distance(patterns[0],patterns[1]),oneTwoDistance=distance(patterns[1],patterns[2]),zeroTwoDistance=distance(patterns[0],patterns[2]);if(oneTwoDistance>=zeroOneDistance&&oneTwoDistance>=zeroTwoDistance?(pointB=patterns[0],pointA=patterns[1],pointC=patterns[2]):zeroTwoDistance>=oneTwoDistance&&zeroTwoDistance>=zeroOneDistance?(pointB=patterns[1],pointA=patterns[0],pointC=patterns[2]):(pointB=patterns[2],pointA=patterns[0],pointC=patterns[1]),crossProductZ(pointA,pointB,pointC)<0){var temp=pointA;pointA=pointC,pointC=temp}patterns[0]=pointA,patterns[1]=pointB,patterns[2]=pointC};


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "html5-qrcode1",
 3 |   "version": "1.0.0",
 4 |   "description": "",
 5 |   "main": "index.js",
 6 |   "devDependencies": {
 7 |     "grunt": "~0.4.5",
 8 |     "grunt-contrib-jshint": "~0.6.3",
 9 |     "grunt-contrib-uglify": "~0.9.1",
10 |     "grunt-contrib-watch": "~0.6.1"
11 |   },
12 |   "scripts": {
13 |     "test": "echo \"Error: no test specified\" && exit 1"
14 |   },
15 |   "repository": {
16 |     "type": "git",
17 |     "url": "https://github.com/dwa012/html5-qrcode.git"
18 |   },
19 |   "author": " ",
20 |   "license": "ISC",
21 |   "bugs": {
22 |     "url": "https://github.com/dwa012/html5-qrcode/issues"
23 |   },
24 |   "homepage": "https://github.com/dwa012/html5-qrcode1"
25 | }
26 | 


--------------------------------------------------------------------------------
/src/html5-qrcode.js:
--------------------------------------------------------------------------------
 1 | (function($) {
 2 |     jQuery.fn.extend({
 3 |         html5_qrcode: function(qrcodeSuccess, qrcodeError, videoError) {
 4 |             return this.each(function() {
 5 |                 var currentElem = $(this);
 6 | 
 7 |                 var height = currentElem.height();
 8 |                 var width = currentElem.width();
 9 | 
10 |                 if (height == null) {
11 |                     height = 250;
12 |                 }
13 | 
14 |                 if (width == null) {
15 |                     width = 300;
16 |                 }
17 | 
18 |                 var vidElem = $('<video width="' + width + 'px" height="' + height + 'px" autoplay playsinline></video>').appendTo(currentElem);
19 |                 var canvasElem = $('<canvas id="qr-canvas" width="' + (width - 2) + 'px" height="' + (height - 2) + 'px" style="display:none;"></canvas>').appendTo(currentElem);
20 | 
21 |                 var video = vidElem[0];
22 |                 var canvas = canvasElem[0];
23 |                 var context = canvas.getContext('2d');
24 |                 var localMediaStream;
25 | 
26 |                 var scan = function() {
27 |                     if (localMediaStream) {
28 |                         context.drawImage(video, 0, 0, 307, 250);
29 | 
30 |                         try {
31 |                             qrcode.decode();
32 |                         } catch (e) {
33 |                             qrcodeError(e, localMediaStream);
34 |                         }
35 | 
36 |                         $.data(currentElem[0], "timeout", setTimeout(scan, 500));
37 | 
38 |                     } else {
39 |                         $.data(currentElem[0], "timeout", setTimeout(scan, 500));
40 |                     }
41 |                 };//end snapshot function
42 | 
43 |                 window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
44 | 
45 | 
46 |                 navigator.mediaDevices.getUserMedia({video: { facingMode: "environment" }}).then(function successCallback(stream) {
47 |                     video.srcObject = stream;
48 |                     localMediaStream = stream;
49 |                     $.data(currentElem[0], "stream", stream);
50 | 
51 |                     video.play();
52 |                     $.data(currentElem[0], "timeout", setTimeout(scan, 1000));
53 |                 }).then(function(error) {
54 |                     videoError(error, localMediaStream);
55 |                 });
56 | 
57 |                 qrcode.callback = function (result) {
58 |                     qrcodeSuccess(result, localMediaStream);
59 |                 };
60 |             }); // end of html5_qrcode
61 |         },
62 |         html5_qrcode_stop: function() {
63 |             return this.each(function() {
64 |                 //stop the stream and cancel timeouts
65 |                 $(this).data('stream').getVideoTracks().forEach(function(videoTrack) {
66 |                     videoTrack.stop();
67 |                 });
68 | 
69 |                 clearTimeout($(this).data('timeout'));
70 |             });
71 |         }
72 |     });
73 | })(jQuery);
74 | 


--------------------------------------------------------------------------------