heyu/Public/Home/js/qrcode.js

/*from tccdn minify at 2014-6-4 14:59:43,file：/cn/c/c/qrcode.js*/
/**
 * @fileoverview
 * - Using the 'QRCode for Javascript library'
 * - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
 * - this library has no dependencies.
 * 
 * @author davidshimjs
 * @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
 * @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
 */
var QRCode;

(function () {
	//---------------------------------------------------------------------
	// QRCode for JavaScript
	//
	// Copyright (c) 2009 Kazuhiko Arase
	//
	// URL: http://www.d-project.com/
	//
	// Licensed under the MIT license:
	//   http://www.opensource.org/licenses/mit-license.php
	//
	// The word "QR Code" is registered trademark of 
	// DENSO WAVE INCORPORATED
	//   http://www.denso-wave.com/qrcode/faqpatent-e.html
	//
	//---------------------------------------------------------------------
	function QR8bitByte(data) {
		this.mode = QRMode.MODE_8BIT_BYTE;
		this.data = data;
		this.parsedData = [];

		// Added to support UTF-8 Characters
		for (var i = 0, l = this.data.length; i < l; i++) {
			var byteArray = [];
			var code = this.data.charCodeAt(i);

			if (code > 0x10000) {
				byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
				byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
				byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
				byteArray[3] = 0x80 | (code & 0x3F);
			} else if (code > 0x800) {
				byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
				byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
				byteArray[2] = 0x80 | (code & 0x3F);
			} else if (code > 0x80) {
				byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
				byteArray[1] = 0x80 | (code & 0x3F);
			} else {
				byteArray[0] = code;
			}

			this.parsedData.push(byteArray);
		}

		this.parsedData = Array.prototype.concat.apply([], this.parsedData);

		if (this.parsedData.length != this.data.length) {
			this.parsedData.unshift(191);
			this.parsedData.unshift(187);
			this.parsedData.unshift(239);
		}
	}

	QR8bitByte.prototype = {
		getLength: function (buffer) {
			return this.parsedData.length;
		},
		write: function (buffer) {
			for (var i = 0, l = this.parsedData.length; i < l; i++) {
				buffer.put(this.parsedData[i], 8);
			}
		}
	};

	function QRCodeModel(typeNumber, errorCorrectLevel) {
		this.typeNumber = typeNumber;
		this.errorCorrectLevel = errorCorrectLevel;
		this.modules = null;
		this.moduleCount = 0;
		this.dataCache = null;
		this.dataList = [];
	}

function QRPolynomial(num, shift) {
    if (num.length == undefined) throw new Error(num.length + "/" + shift);
    var offset = 0;
    while (offset < num.length && num[offset] == 0) offset++;
    this.num = new Array(num.length - offset + shift);
    for (var i = 0; i < num.length - offset; i++) this.num[i] = num[i + offset];
}

function QRRSBlock(totalCount, dataCount) {
    this.totalCount = totalCount, this.dataCount = dataCount;
}

function QRBitBuffer() {
    this.buffer = [], this.length = 0;
}

	QRCodeModel.prototype = {
	    "addData": function(data) {
	        var newData = new QR8bitByte(data);
	        this.dataList.push(newData), this.dataCache = null;
	    },
	    "isDark": function(row, col) {
	        if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) throw new Error(row + "," + col);
	        return this.modules[row][col];
	    },
	    "getModuleCount": function() {
	        return this.moduleCount;
	    },
	    "make": function() {
	        this.makeImpl(!1, this.getBestMaskPattern());
	    },
	    "makeImpl": function(test, maskPattern) {
	        this.moduleCount = this.typeNumber * 4 + 17, this.modules = new Array(this.moduleCount);
	        for (var row = 0; row < this.moduleCount; row++) {
	            this.modules[row] = new Array(this.moduleCount);
	            for (var col = 0; col < this.moduleCount; col++) this.modules[row][col] = null;
	        }
	        this.setupPositionProbePattern(0, 0),
	        this.setupPositionProbePattern(this.moduleCount - 7, 0),
	        this.setupPositionProbePattern(0, this.moduleCount - 7),
	        this.setupPositionAdjustPattern(), this.setupTimingPattern(),
	        this.setupTypeInfo(test, maskPattern),
	        this.typeNumber >= 7 && this.setupTypeNumber(test),
	        this.dataCache == null && (this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList)), this.mapData(this.dataCache, maskPattern);
	    },
	    "setupPositionProbePattern": function(row, col) {
	        for (var r = -1; r <= 7; r++) {
	            if (row + r <= -1 || this.moduleCount <= row + r) continue;
	            for (var c = -1; c <= 7; c++) {
	                if (col + c <= -1 || this.moduleCount <= col + c) continue;
	                0 <= r && r <= 6 && (c == 0 || c == 6) || 0 <= c && c <= 6 && (r == 0 || r == 6) || 2 <= r && r <= 4 && 2 <= c && c <= 4 ? this.modules[row + r][col + c] = !0 : this.modules[row + r][col + c] = !1;
	            }
	        }
	    },
	    "getBestMaskPattern": function() {
	        var minLostPoint = 0, pattern = 0;
	        for (var i = 0; i < 8; i++) {
	            this.makeImpl(!0, i);
	            var lostPoint = QRUtil.getLostPoint(this);
	            if (i == 0 || minLostPoint > lostPoint) minLostPoint = lostPoint, pattern = i;
	        }
	        return pattern;
	    },
	    "createMovieClip": function(target_mc, instance_name, depth) {
	        var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth), cs = 1;
	        this.make();
	        for (var row = 0; row < this.modules.length; row++) {
	            var y = row * cs;
	            for (var col = 0; col < this.modules[row].length; col++) {
	                var x = col * cs, dark = this.modules[row][col];
	                dark && (qr_mc.beginFill(0, 100), qr_mc.moveTo(x, y), qr_mc.lineTo(x + cs, y), qr_mc.lineTo(x + cs, y + cs), qr_mc.lineTo(x, y + cs), qr_mc.endFill());
	            }
	        }
	        return qr_mc;
	    },
	    "setupTimingPattern": function() {
	        for (var r = 8; r < this.moduleCount - 8; r++) {
	            if (this.modules[r][6] != null) continue;
	            this.modules[r][6] = r % 2 == 0;
	        }
	        for (var c = 8; c < this.moduleCount - 8; c++) {
	            if (this.modules[6][c] != null) continue;
	            this.modules[6][c] = c % 2 == 0;
	        }
	    },
	    "setupPositionAdjustPattern": function() {
	        var pos = QRUtil.getPatternPosition(this.typeNumber);
	        for (var i = 0; i < pos.length; i++) for (var j = 0; j < pos.length; j++) {
	            var row = pos[i], col = pos[j];
	            if (this.modules[row][col] != null) continue;
	            for (var r = -2; r <= 2; r++) for (var c = -2; c <= 2; c++) r == -2 || r == 2 || c == -2 || c == 2 || r == 0 && c == 0 ? this.modules[row + r][col + c] = !0 : this.modules[row + r][col + c] = !1;
	        }
	    },
	    "setupTypeNumber": function(test) {
	        var bits = QRUtil.getBCHTypeNumber(this.typeNumber);
	        for (var i = 0; i < 18; i++) {
	            var mod = !test && (bits >> i & 1) == 1;
	            this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod;
	        }
	        for (var i = 0; i < 18; i++) {
	            var mod = !test && (bits >> i & 1) == 1;
	            this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
	        }
	    },
	    "setupTypeInfo": function(test, maskPattern) {
	        var data = this.errorCorrectLevel << 3 | maskPattern, bits = QRUtil.getBCHTypeInfo(data);
	        for (var i = 0; i < 15; i++) {
	            var mod = !test && (bits >> i & 1) == 1;
	            i < 6 ? this.modules[i][8] = mod : i < 8 ? this.modules[i + 1][8] = mod : this.modules[this.moduleCount - 15 + i][8] = mod;
	        }
	        for (var i = 0; i < 15; i++) {
	            var mod = !test && (bits >> i & 1) == 1;
	            i < 8 ? this.modules[8][this.moduleCount - i - 1] = mod : i < 9 ? this.modules[8][15 - i - 1 + 1] = mod : this.modules[8][15 - i - 1] = mod;
	        }
	        this.modules[this.moduleCount - 8][8] = !test;
	    },
	    "mapData": function(data, maskPattern) {
	        var inc = -1, row = this.moduleCount - 1, bitIndex = 7, byteIndex = 0;
	        for (var col = this.moduleCount - 1; col > 0; col -= 2) {
	            col == 6 && col--;
	            for (;;) {
	                for (var c = 0; c < 2; c++) if (this.modules[row][col - c] == null) {
	                    var dark = !1;
	                    byteIndex < data.length && (dark = (data[byteIndex] >>> bitIndex & 1) == 1);
	                    var mask = QRUtil.getMask(maskPattern, row, col - c);
	                    mask && (dark = !dark), this.modules[row][col - c] = dark, bitIndex--, bitIndex == -1 && (byteIndex++, bitIndex = 7);
	                }
	                row += inc;
	                if (row < 0 || this.moduleCount <= row) {
	                    row -= inc, inc = -inc;
	                    break;
	                }
	            }
	        }
	    }
	}, QRCodeModel.PAD0 = 236, QRCodeModel.PAD1 = 17, QRCodeModel.createData = function(typeNumber, errorCorrectLevel, dataList) {
	    var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel), buffer = new QRBitBuffer;
	    for (var i = 0; i < dataList.length; i++) {
	        var data = dataList[i];
	        buffer.put(data.mode, 4), buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber)), data.write(buffer);
	    }
	    var totalDataCount = 0;
	    for (var i = 0; i < rsBlocks.length; i++) totalDataCount += rsBlocks[i].dataCount;
	    if (buffer.getLengthInBits() > totalDataCount * 8) throw new Error("code length overflow. (" + buffer.getLengthInBits() + ">" + totalDataCount * 8 + ")");
	    buffer.getLengthInBits() + 4 <= totalDataCount * 8 && buffer.put(0, 4);
	    while (buffer.getLengthInBits() % 8 != 0) buffer.putBit(!1);
	    for (;;) {
	        if (buffer.getLengthInBits() >= totalDataCount * 8) break;
	        buffer.put(QRCodeModel.PAD0, 8);
	        if (buffer.getLengthInBits() >= totalDataCount * 8) break;
	        buffer.put(QRCodeModel.PAD1, 8);
	    }
	    return QRCodeModel.createBytes(buffer, rsBlocks);
	}, QRCodeModel.createBytes = function(buffer, rsBlocks) {
	    var offset = 0, maxDcCount = 0, maxEcCount = 0, dcdata = new Array(rsBlocks.length), ecdata = new Array(rsBlocks.length);
	    for (var r = 0; r < rsBlocks.length; r++) {
	        var dcCount = rsBlocks[r].dataCount, ecCount = rsBlocks[r].totalCount - dcCount;
	        maxDcCount = Math.max(maxDcCount, dcCount), maxEcCount = Math.max(maxEcCount, ecCount), dcdata[r] = new Array(dcCount);
	        for (var i = 0; i < dcdata[r].length; i++) dcdata[r][i] = 255 & buffer.buffer[i + offset];
	        offset += dcCount;
	        var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount), rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1), modPoly = rawPoly.mod(rsPoly);
	        ecdata[r] = new Array(rsPoly.getLength() - 1);
	        for (var i = 0; i < ecdata[r].length; i++) {
	            var modIndex = i + modPoly.getLength() - ecdata[r].length;
	            ecdata[r][i] = modIndex >= 0 ? modPoly.get(modIndex) : 0;
	        }
	    }
	    var totalCodeCount = 0;
	    for (var i = 0; i < rsBlocks.length; i++) totalCodeCount += rsBlocks[i].totalCount;
	    var data = new Array(totalCodeCount), index = 0;
	    for (var i = 0; i < maxDcCount; i++) for (var r = 0; r < rsBlocks.length; r++) i < dcdata[r].length && (data[index++] = dcdata[r][i]);
	    for (var i = 0; i < maxEcCount; i++) for (var r = 0; r < rsBlocks.length; r++) i < ecdata[r].length && (data[index++] = ecdata[r][i]);
	    return data;
	};

	var QRMode = {
	    "MODE_NUMBER": 1,
	    "MODE_ALPHA_NUM": 2,
	    "MODE_8BIT_BYTE": 4,
	    "MODE_KANJI": 8
	}, QRErrorCorrectLevel = {
	    "L": 1,
	    "M": 0,
	    "Q": 3,
	    "H": 2
	}, QRMaskPattern = {
	    "PATTERN000": 0,
	    "PATTERN001": 1,
	    "PATTERN010": 2,
	    "PATTERN011": 3,
	    "PATTERN100": 4,
	    "PATTERN101": 5,
	    "PATTERN110": 6,
	    "PATTERN111": 7
	}, QRUtil = {
	    "PATTERN_POSITION_TABLE": [ [], [ 6, 18 ], [ 6, 22 ], [ 6, 26 ], [ 6, 30 ], [ 6, 34 ], [ 6, 22, 38 ], [ 6, 24, 42 ], [ 6, 26, 46 ], [ 6, 28, 50 ], [ 6, 30, 54 ], [ 6, 32, 58 ], [ 6, 34, 62 ], [ 6, 26, 46, 66 ], [ 6, 26, 48, 70 ], [ 6, 26, 50, 74 ], [ 6, 30, 54, 78 ], [ 6, 30, 56, 82 ], [ 6, 30, 58, 86 ], [ 6, 34, 62, 90 ], [ 6, 28, 50, 72, 94 ], [ 6, 26, 50, 74, 98 ], [ 6, 30, 54, 78, 102 ], [ 6, 28, 54, 80, 106 ], [ 6, 32, 58, 84, 110 ], [ 6, 30, 58, 86, 114 ], [ 6, 34, 62, 90, 118 ], [ 6, 26, 50, 74, 98, 122 ], [ 6, 30, 54, 78, 102, 126 ], [ 6, 26, 52, 78, 104, 130 ], [ 6, 30, 56, 82, 108, 134 ], [ 6, 34, 60, 86, 112, 138 ], [ 6, 30, 58, 86, 114, 142 ], [ 6, 34, 62, 90, 118, 146 ], [ 6, 30, 54, 78, 102, 126, 150 ], [ 6, 24, 50, 76, 102, 128, 154 ], [ 6, 28, 54, 80, 106, 132, 158 ], [ 6, 32, 58, 84, 110, 136, 162 ], [ 6, 26, 54, 82, 110, 138, 166 ], [ 6, 30, 58, 86, 114, 142, 170 ] ],
	    "G15": 1335,
	    "G18": 7973,
	    "G15_MASK": 21522,
	    "getBCHTypeInfo": function(data) {
	        var d = data << 10;
	        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) d ^= QRUtil.G15 << QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15);
	        return (data << 10 | d) ^ QRUtil.G15_MASK;
	    },
	    "getBCHTypeNumber": function(data) {
	        var d = data << 12;
	        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) d ^= QRUtil.G18 << QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18);
	        return data << 12 | d;
	    },
	    "getBCHDigit": function(data) {
	        var digit = 0;
	        while (data != 0) digit++, data >>>= 1;
	        return digit;
	    },
	    "getPatternPosition": function(typeNumber) {
	        return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
	    },
	    "getMask": function(maskPattern, i, j) {
	        switch (maskPattern) {
	          case QRMaskPattern.PATTERN000:
	            return (i + j) % 2 == 0;
	          case QRMaskPattern.PATTERN001:
	            return i % 2 == 0;
	          case QRMaskPattern.PATTERN010:
	            return j % 3 == 0;
	          case QRMaskPattern.PATTERN011:
	            return (i + j) % 3 == 0;
	          case QRMaskPattern.PATTERN100:
	            return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
	          case QRMaskPattern.PATTERN101:
	            return i * j % 2 + i * j % 3 == 0;
	          case QRMaskPattern.PATTERN110:
	            return (i * j % 2 + i * j % 3) % 2 == 0;
	          case QRMaskPattern.PATTERN111:
	            return (i * j % 3 + (i + j) % 2) % 2 == 0;
	          default:
	            throw new Error("bad maskPattern:" + maskPattern);
	        }
	    },
	    "getErrorCorrectPolynomial": function(errorCorrectLength) {
	        var a = new QRPolynomial([ 1 ], 0);
	        for (var i = 0; i < errorCorrectLength; i++) a = a.multiply(new QRPolynomial([ 1, QRMath.gexp(i) ], 0));
	        return a;
	    },
	    "getLengthInBits": function(mode, type) {
	        if (1 <= type && type < 10) switch (mode) {
	          case QRMode.MODE_NUMBER:
	            return 10;
	          case QRMode.MODE_ALPHA_NUM:
	            return 9;
	          case QRMode.MODE_8BIT_BYTE:
	            return 8;
	          case QRMode.MODE_KANJI:
	            return 8;
	          default:
	            throw new Error("mode:" + mode);
	        } else if (type < 27) switch (mode) {
	          case QRMode.MODE_NUMBER:
	            return 12;
	          case QRMode.MODE_ALPHA_NUM:
	            return 11;
	          case QRMode.MODE_8BIT_BYTE:
	            return 16;
	          case QRMode.MODE_KANJI:
	            return 10;
	          default:
	            throw new Error("mode:" + mode);
	        } else {
	            if (!(type < 41)) throw new Error("type:" + type);
	            switch (mode) {
	              case QRMode.MODE_NUMBER:
	                return 14;
	              case QRMode.MODE_ALPHA_NUM:
	                return 13;
	              case QRMode.MODE_8BIT_BYTE:
	                return 16;
	              case QRMode.MODE_KANJI:
	                return 12;
	              default:
	                throw new Error("mode:" + mode);
	            }
	        }
	    },
	    "getLostPoint": function(qrCode) {
	        var moduleCount = qrCode.getModuleCount(), lostPoint = 0;
	        for (var row = 0; row < moduleCount; row++) for (var col = 0; col < moduleCount; col++) {
	            var sameCount = 0, dark = qrCode.isDark(row, col);
	            for (var r = -1; r <= 1; r++) {
	                if (row + r < 0 || moduleCount <= row + r) continue;
	                for (var c = -1; c <= 1; c++) {
	                    if (col + c < 0 || moduleCount <= col + c) continue;
	                    if (r == 0 && c == 0) continue;
	                    dark == qrCode.isDark(row + r, col + c) && sameCount++;
	                }
	            }
	            sameCount > 5 && (lostPoint += 3 + sameCount - 5);
	        }
	        for (var row = 0; row < moduleCount - 1; row++) for (var col = 0; col < moduleCount - 1; col++) {
	            var count = 0;
	            qrCode.isDark(row, col) && count++, qrCode.isDark(row + 1, col) && count++, qrCode.isDark(row, col + 1) && count++, qrCode.isDark(row + 1, col + 1) && count++;
	            if (count == 0 || count == 4) lostPoint += 3;
	        }
	        for (var row = 0; row < moduleCount; row++) for (var col = 0; col < moduleCount - 6; col++) qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6) && (lostPoint += 40);
	        for (var col = 0; col < moduleCount; col++) for (var row = 0; row < moduleCount - 6; row++) qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col) && (lostPoint += 40);
	        var darkCount = 0;
	        for (var col = 0; col < moduleCount; col++) for (var row = 0; row < moduleCount; row++) qrCode.isDark(row, col) && darkCount++;
	        var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
	        return lostPoint += ratio * 10, lostPoint;
	    }
	}, QRMath = {
	    "glog": function(n) {
	        if (n < 1) throw new Error("glog(" + n + ")");
	        return QRMath.LOG_TABLE[n];
	    },
	    "gexp": function(n) {
	        while (n < 0) n += 255;
	        while (n >= 256) n -= 255;
	        return QRMath.EXP_TABLE[n];
	    },
	    "EXP_TABLE": new Array(256),
	    "LOG_TABLE": new Array(256)
	};

	for (var i = 0; i < 8; i++) QRMath.EXP_TABLE[i] = 1 << i;

	for (var i = 8; i < 256; i++) QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8];

	for (var i = 0; i < 255; i++) QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;

	QRPolynomial.prototype = {
	    "get": function(index) {
	        return this.num[index];
	    },
	    "getLength": function() {
	        return this.num.length;
	    },
	    "multiply": function(e) {
	        var num = new Array(this.getLength() + e.getLength() - 1);
	        for (var i = 0; i < this.getLength(); i++) for (var j = 0; j < e.getLength(); j++) num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j)));
	        return new QRPolynomial(num, 0);
	    },
	    "mod": function(e) {
	        if (this.getLength() - e.getLength() < 0) return this;
	        var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0)), num = new Array(this.getLength());
	        for (var i = 0; i < this.getLength(); i++) num[i] = this.get(i);
	        for (var i = 0; i < e.getLength(); i++) num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio);
	        return (new QRPolynomial(num, 0)).mod(e);
	    }
	}, QRRSBlock.RS_BLOCK_TABLE = [ [ 1, 26, 19 ], [ 1, 26, 16 ], [ 1, 26, 13 ], [ 1, 26, 9 ], [ 1, 44, 34 ], [ 1, 44, 28 ], [ 1, 44, 22 ], [ 1, 44, 16 ], [ 1, 70, 55 ], [ 1, 70, 44 ], [ 2, 35, 17 ], [ 2, 35, 13 ], [ 1, 100, 80 ], [ 2, 50, 32 ], [ 2, 50, 24 ], [ 4, 25, 9 ], [ 1, 134, 108 ], [ 2, 67, 43 ], [ 2, 33, 15, 2, 34, 16 ], [ 2, 33, 11, 2, 34, 12 ], [ 2, 86, 68 ], [ 4, 43, 27 ], [ 4, 43, 19 ], [ 4, 43, 15 ], [ 2, 98, 78 ], [ 4, 49, 31 ], [ 2, 32, 14, 4, 33, 15 ], [ 4, 39, 13, 1, 40, 14 ], [ 2, 121, 97 ], [ 2, 60, 38, 2, 61, 39 ], [ 4, 40, 18, 2, 41, 19 ], [ 4, 40, 14, 2, 41, 15 ], [ 2, 146, 116 ], [ 3, 58, 36, 2, 59, 37 ], [ 4, 36, 16, 4, 37, 17 ], [ 4, 36, 12, 4, 37, 13 ], [ 2, 86, 68, 2, 87, 69 ], [ 4, 69, 43, 1, 70, 44 ], [ 6, 43, 19, 2, 44, 20 ], [ 6, 43, 15, 2, 44, 16 ], [ 4, 101, 81 ], [ 1, 80, 50, 4, 81, 51 ], [ 4, 50, 22, 4, 51, 23 ], [ 3, 36, 12, 8, 37, 13 ], [ 2, 116, 92, 2, 117, 93 ], [ 6, 58, 36, 2, 59, 37 ], [ 4, 46, 20, 6, 47, 21 ], [ 7, 42, 14, 4, 43, 15 ], [ 4, 133, 107 ], [ 8, 59, 37, 1, 60, 38 ], [ 8, 44, 20, 4, 45, 21 ], [ 12, 33, 11, 4, 34, 12 ], [ 3, 145, 115, 1, 146, 116 ], [ 4, 64, 40, 5, 65, 41 ], [ 11, 36, 16, 5, 37, 17 ], [ 11, 36, 12, 5, 37, 13 ], [ 5, 109, 87, 1, 110, 88 ], [ 5, 65, 41, 5, 66, 42 ], [ 5, 54, 24, 7, 55, 25 ], [ 11, 36, 12 ], [ 5, 122, 98, 1, 123, 99 ], [ 7, 73, 45, 3, 74, 46 ], [ 15, 43, 19, 2, 44, 20 ], [ 3, 45, 15, 13, 46, 16 ], [ 1, 135, 107, 5, 136, 108 ], [ 10, 74, 46, 1, 75, 47 ], [ 1, 50, 22, 15, 51, 23 ], [ 2, 42, 14, 17, 43, 15 ], [ 5, 150, 120, 1, 151, 121 ], [ 9, 69, 43, 4, 70, 44 ], [ 17, 50, 22, 1, 51, 23 ], [ 2, 42, 14, 19, 43, 15 ], [ 3, 141, 113, 4, 142, 114 ], [ 3, 70, 44, 11, 71, 45 ], [ 17, 47, 21, 4, 48, 22 ], [ 9, 39, 13, 16, 40, 14 ], [ 3, 135, 107, 5, 136, 108 ], [ 3, 67, 41, 13, 68, 42 ], [ 15, 54, 24, 5, 55, 25 ], [ 15, 43, 15, 10, 44, 16 ], [ 4, 144, 116, 4, 145, 117 ], [ 17, 68, 42 ], [ 17, 50, 22, 6, 51, 23 ], [ 19, 46, 16, 6, 47, 17 ], [ 2, 139, 111, 7, 140, 112 ], [ 17, 74, 46 ], [ 7, 54, 24, 16, 55, 25 ], [ 34, 37, 13 ], [ 4, 151, 121, 5, 152, 122 ], [ 4, 75, 47, 14, 76, 48 ], [ 11, 54, 24, 14, 55, 25 ], [ 16, 45, 15, 14, 46, 16 ], [ 6, 147, 117, 4, 148, 118 ], [ 6, 73, 45, 14, 74, 46 ], [ 11, 54, 24, 16, 55, 25 ], [ 30, 46, 16, 2, 47, 17 ], [ 8, 132, 106, 4, 133, 107 ], [ 8, 75, 47, 13, 76, 48 ], [ 7, 54, 24, 22, 55, 25 ], [ 22, 45, 15, 13, 46, 16 ], [ 10, 142, 114, 2, 143, 115 ], [ 19, 74, 46, 4, 75, 47 ], [ 28, 50, 22, 6, 51, 23 ], [ 33, 46, 16, 4, 47, 17 ], [ 8, 152, 122, 4, 153, 123 ], [ 22, 73, 45, 3, 74, 46 ], [ 8, 53, 23, 26, 54, 24 ], [ 12, 45, 15, 28, 46, 16 ], [ 3, 147, 117, 10, 148, 118 ], [ 3, 73, 45, 23, 74, 46 ], [ 4, 54, 24, 31, 55, 25 ], [ 11, 45, 15, 31, 46, 16 ], [ 7, 146, 116, 7, 147, 117 ], [ 21, 73, 45, 7, 74, 46 ], [ 1, 53, 23, 37, 54, 24 ], [ 19, 45, 15, 26, 46, 16 ], [ 5, 145, 115, 10, 146, 116 ], [ 19, 75, 47, 10, 76, 48 ], [ 15, 54, 24, 25, 55, 25 ], [ 23, 45, 15, 25, 46, 16 ], [ 13, 145, 115, 3, 146, 116 ], [ 2, 74, 46, 29, 75, 47 ], [ 42, 54, 24, 1, 55, 25 ], [ 23, 45, 15, 28, 46, 16 ], [ 17, 145, 115 ], [ 10, 74, 46, 23, 75, 47 ], [ 10, 54, 24, 35, 55, 25 ], [ 19, 45, 15, 35, 46, 16 ], [ 17, 145, 115, 1, 146, 116 ], [ 14, 74, 46, 21, 75, 47 ], [ 29, 54, 24, 19, 55, 25 ], [ 11, 45, 15, 46, 46, 16 ], [ 13, 145, 115, 6, 146, 116 ], [ 14, 74, 46, 23, 75, 47 ], [ 44, 54, 24, 7, 55, 25 ], [ 59, 46, 16, 1, 47, 17 ], [ 12, 151, 121, 7, 152, 122 ], [ 12, 75, 47, 26, 76, 48 ], [ 39, 54, 24, 14, 55, 25 ], [ 22, 45, 15, 41, 46, 16 ], [ 6, 151, 121, 14, 152, 122 ], [ 6, 75, 47, 34, 76, 48 ], [ 46, 54, 24, 10, 55, 25 ], [ 2, 45, 15, 64, 46, 16 ], [ 17, 152, 122, 4, 153, 123 ], [ 29, 74, 46, 14, 75, 47 ], [ 49, 54, 24, 10, 55, 25 ], [ 24, 45, 15, 46, 46, 16 ], [ 4, 152, 122, 18, 153, 123 ], [ 13, 74, 46, 32, 75, 47 ], [ 48, 54, 24, 14, 55, 25 ], [ 42, 45, 15, 32, 46, 16 ], [ 20, 147, 117, 4, 148, 118 ], [ 40, 75, 47, 7, 76, 48 ], [ 43, 54, 24, 22, 55, 25 ], [ 10, 45, 15, 67, 46, 16 ], [ 19, 148, 118, 6, 149, 119 ], [ 18, 75, 47, 31, 76, 48 ], [ 34, 54, 24, 34, 55, 25 ], [ 20, 45, 15, 61, 46, 16 ] ], QRRSBlock.getRSBlocks = function(typeNumber, errorCorrectLevel) {
	    var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
	    if (rsBlock == undefined) throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel);
	    var length = rsBlock.length / 3, list = [];
	    for (var i = 0; i < length; i++) {
	        var count = rsBlock[i * 3 + 0], totalCount = rsBlock[i * 3 + 1], dataCount = rsBlock[i * 3 + 2];
	        for (var j = 0; j < count; j++) list.push(new QRRSBlock(totalCount, dataCount));
	    }
	    return list;
	}, QRRSBlock.getRsBlockTable = function(typeNumber, errorCorrectLevel) {
	    switch (errorCorrectLevel) {
	      case QRErrorCorrectLevel.L:
	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
	      case QRErrorCorrectLevel.M:
	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
	      case QRErrorCorrectLevel.Q:
	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
	      case QRErrorCorrectLevel.H:
	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
	      default:
	        return undefined;
	    }
	}, QRBitBuffer.prototype = {
	    "get": function(index) {
	        var bufIndex = Math.floor(index / 8);
	        return (this.buffer[bufIndex] >>> 7 - index % 8 & 1) == 1;
	    },
	    "put": function(num, length) {
	        for (var i = 0; i < length; i++) this.putBit((num >>> length - i - 1 & 1) == 1);
	    },
	    "getLengthInBits": function() {
	        return this.length;
	    },
	    "putBit": function(bit) {
	        var bufIndex = Math.floor(this.length / 8);
	        this.buffer.length <= bufIndex && this.buffer.push(0), bit && (this.buffer[bufIndex] |= 128 >>> this.length % 8), this.length++;
	    }
	};
	var QRCodeLimitLength=[[17,14,11,7],[32,26,20,14],[53,42,32,24],[78,62,46,34],[106,84,60,44],[134,106,74,58],[154,122,86,64],[192,152,108,84],[230,180,130,98],[271,213,151,119],[321,251,177,137],[367,287,203,155],[425,331,241,177],[458,362,258,194],[520,412,292,220],[586,450,322,250],[644,504,364,280],[718,560,394,310],[792,624,442,338],[858,666,482,382],[929,711,509,403],[1003,779,565,439],[1091,857,611,461],[1171,911,661,511],[1273,997,715,535],[1367,1059,751,593],[1465,1125,805,625],[1528,1190,868,658],[1628,1264,908,698],[1732,1370,982,742],[1840,1452,1030,790],[1952,1538,1112,842],[2068,1628,1168,898],[2188,1722,1228,958],[2303,1809,1283,983],[2431,1911,1351,1051],[2563,1989,1423,1093],[2699,2099,1499,1139],[2809,2213,1579,1219],[2953,2331,1663,1273]];
	
	function _isSupportCanvas() {
		return typeof CanvasRenderingContext2D != "undefined";
	}
	
	// android 2.x doesn't support Data-URI spec
	function _getAndroid() {
		var android = false;
		var sAgent = navigator.userAgent;
		
		if (/android/i.test(sAgent)) { // android
			android = true;
			aMat = sAgent.toString().match(/android ([0-9]\.[0-9])/i);
			
			if (aMat && aMat[1]) {
				android = parseFloat(aMat[1]);
			}
		}
		
		return android;
	}
	
	var svgDrawer = (function() {

		var Drawing = function (el, htOption) {
			this._el = el;
			this._htOption = htOption;
		};

		Drawing.prototype.draw = function (oQRCode) {
			var _htOption = this._htOption;
			var _el = this._el;
			var nCount = oQRCode.getModuleCount();
			var nWidth = Math.floor(_htOption.width / nCount);
			var nHeight = Math.floor(_htOption.height / nCount);

			this.clear();

			function makeSVG(tag, attrs) {
				var el = document.createElementNS('http://www.w3.org/2000/svg', tag);
				for (var k in attrs)
					if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]);
				return el;
			}

			var svg = makeSVG("svg" , {'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight});
			svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
			_el.appendChild(svg);

			svg.appendChild(makeSVG("rect", {"fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template"}));

			for (var row = 0; row < nCount; row++) {
				for (var col = 0; col < nCount; col++) {
					if (oQRCode.isDark(row, col)) {
						var child = makeSVG("use", {"x": String(row), "y": String(col)});
						child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template")
						svg.appendChild(child);
					}
				}
			}
		};
		Drawing.prototype.clear = function () {
			while (this._el.hasChildNodes())
				this._el.removeChild(this._el.lastChild);
		};
		return Drawing;
	})();

	var useSVG = document.documentElement.tagName.toLowerCase() === "svg";

	// Drawing in DOM by using Table tag
	var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () {
		var Drawing = function (el, htOption) {
			this._el = el;
			this._htOption = htOption;
		};
			
		/**
		 * Draw the QRCode
		 * 
		 * @param {QRCode} oQRCode
		 */
		Drawing.prototype.draw = function (oQRCode) {
            var _htOption = this._htOption;
            var _el = this._el;
			var nCount = oQRCode.getModuleCount();
			var nWidth = Math.floor(_htOption.width / nCount);
			var nHeight = Math.floor(_htOption.height / nCount);
			var aHTML = ['<table style="border:0;border-collapse:collapse;">'];
			
			for (var row = 0; row < nCount; row++) {
				aHTML.push('<tr>');
				
				for (var col = 0; col < nCount; col++) {
					aHTML.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;width:' + nWidth + 'px;height:' + nHeight + 'px;background-color:' + (oQRCode.isDark(row, col) ? _htOption.colorDark : _htOption.colorLight) + ';"></td>');
				}
				
				aHTML.push('</tr>');
			}
			
			aHTML.push('</table>');
			_el.innerHTML = aHTML.join('');
			
			// Fix the margin values as real size.
			var elTable = _el.childNodes[0];
			var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2;
			var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2;
			if (nLeftMarginTable > 0 && nTopMarginTable > 0) {
				elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px";	
			}
		};
		
		/**
		 * Clear the QRCode
		 */
		Drawing.prototype.clear = function () {
			this._el.innerHTML = '';
		};
		
		return Drawing;
	})() : (function () { // Drawing in Canvas
		function _onMakeImage() {
			this._elImage.src = this._elCanvas.toDataURL("image/png");
			this._elImage.style.display = "block";
			this._elCanvas.style.display = "none";			
		}
		
		// Android 2.1 bug workaround
		// http://code.google.com/p/android/issues/detail?id=5141
		if (this._android && this._android <= 2.1) {
	    	var factor = 1 / window.devicePixelRatio;
	        var drawImage = CanvasRenderingContext2D.prototype.drawImage; 
	    	CanvasRenderingContext2D.prototype.drawImage = function (image, sx, sy, sw, sh, dx, dy, dw, dh) {
	    		if (("nodeName" in image) && /img/i.test(image.nodeName)) {
		        	for (var i = arguments.length - 1; i >= 1; i--) {
		            	arguments[i] = arguments[i] * factor;
		        	}
	    		} else if (typeof dw == "undefined") {
	    			arguments[1] *= factor;
	    			arguments[2] *= factor;
	    			arguments[3] *= factor;
	    			arguments[4] *= factor;
	    		}
	    		
	        	drawImage.apply(this, arguments); 
	    	};
		}
		
		/**
		 * Check whether the user's browser supports Data URI or not
		 * 
		 * @private
		 * @param {Function} fSuccess Occurs if it supports Data URI
		 * @param {Function} fFail Occurs if it doesn't support Data URI
		 */
		function _safeSetDataURI(fSuccess, fFail) {
            var self = this;
            self._fFail = fFail;
            self._fSuccess = fSuccess;

            // Check it just once
            if (self._bSupportDataURI === null) {
                var el = document.createElement("img");
                var fOnError = function() {
                    self._bSupportDataURI = false;

                    if (self._fFail) {
                        _fFail.call(self);
                    }
                };
                var fOnSuccess = function() {
                    self._bSupportDataURI = true;

                    if (self._fSuccess) {
                        self._fSuccess.call(self);
                    }
                };

                el.onabort = fOnError;
                el.onerror = fOnError;
                el.onload = fOnSuccess;
                el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data.
                return;
            } else if (self._bSupportDataURI === true && self._fSuccess) {
                self._fSuccess.call(self);
            } else if (self._bSupportDataURI === false && self._fFail) {
                self._fFail.call(self);
            }
		};
		
		/**
		 * Drawing QRCode by using canvas
		 * 
		 * @constructor
		 * @param {HTMLElement} el
		 * @param {Object} htOption QRCode Options 
		 */
		var Drawing = function (el, htOption) {
    		this._bIsPainted = false;
    		this._android = _getAndroid();
		
			this._htOption = htOption;
			this._elCanvas = document.createElement("canvas");
			this._elCanvas.width = htOption.width;
			this._elCanvas.height = htOption.height;
			el.appendChild(this._elCanvas);
			this._el = el;
			this._oContext = this._elCanvas.getContext("2d");
			this._bIsPainted = false;
			this._elImage = document.createElement("img");
			this._elImage.alt = "Scan me!";
            this._elImage.dataset.qrcode = "has some data";
            this._elImage.style.display = "none";
			this._el.appendChild(this._elImage);
			this._bSupportDataURI = null;
		};
			
		/**
		 * Draw the QRCode
		 * 
		 * @param {QRCode} oQRCode 
		 */
		Drawing.prototype.draw = function (oQRCode) {
            var _elImage = this._elImage;
            var _oContext = this._oContext;
            var _htOption = this._htOption;
            
			var nCount = oQRCode.getModuleCount();
			var nWidth = _htOption.width / nCount;
			var nHeight = _htOption.height / nCount;
			var nRoundedWidth = Math.round(nWidth);
			var nRoundedHeight = Math.round(nHeight);

			_elImage.style.display = "none";
			this.clear();
			
			for (var row = 0; row < nCount; row++) {
				for (var col = 0; col < nCount; col++) {
					var bIsDark = oQRCode.isDark(row, col);
					var nLeft = col * nWidth;
					var nTop = row * nHeight;
					_oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
					_oContext.lineWidth = 1;
					_oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;					
					_oContext.fillRect(nLeft, nTop, nWidth, nHeight);
					
					// 안티 앨리어싱 방지 처리
					_oContext.strokeRect(
						Math.floor(nLeft) + 0.5,
						Math.floor(nTop) + 0.5,
						nRoundedWidth,
						nRoundedHeight
					);
					
					_oContext.strokeRect(
						Math.ceil(nLeft) - 0.5,
						Math.ceil(nTop) - 0.5,
						nRoundedWidth,
						nRoundedHeight
					);
				}
			}
			
			this._bIsPainted = true;
		};
			
		/**
		 * Make the image from Canvas if the browser supports Data URI.
		 */
		Drawing.prototype.makeImage = function () {
			if (this._bIsPainted) {
				_safeSetDataURI.call(this, _onMakeImage);
			}
		};
			
		/**
		 * Return whether the QRCode is painted or not
		 * 
		 * @return {Boolean}
		 */
		Drawing.prototype.isPainted = function () {
			return this._bIsPainted;
		};
		
		/**
		 * Clear the QRCode
		 */
		Drawing.prototype.clear = function () {
			this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height);
			this._bIsPainted = false;
		};
		
		/**
		 * @private
		 * @param {Number} nNumber
		 */
		Drawing.prototype.round = function (nNumber) {
			if (!nNumber) {
				return nNumber;
			}
			
			return Math.floor(nNumber * 1000) / 1000;
		};
		
		return Drawing;
	})();
	
	/**
	 * Get the type by string length
	 * 
	 * @private
	 * @param {String} sText
	 * @param {Number} nCorrectLevel
	 * @return {Number} type
	 */
	function _getTypeNumber(sText, nCorrectLevel) {			
		var nType = 1;
		var length = _getUTF8Length(sText);
		
		for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
			var nLimit = 0;
			
			switch (nCorrectLevel) {
				case QRErrorCorrectLevel.L :
					nLimit = QRCodeLimitLength[i][0];
					break;
				case QRErrorCorrectLevel.M :
					nLimit = QRCodeLimitLength[i][1];
					break;
				case QRErrorCorrectLevel.Q :
					nLimit = QRCodeLimitLength[i][2];
					break;
				case QRErrorCorrectLevel.H :
					nLimit = QRCodeLimitLength[i][3];
					break;
			}
			
			if (length <= nLimit) {
				break;
			} else {
				nType++;
			}
		}
		
		if (nType > QRCodeLimitLength.length) {
			throw new Error("Too long data");
		}
		
		return nType;
	}

	function _getUTF8Length(sText) {
		var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
		return replacedText.length + (replacedText.length != sText ? 3 : 0);
	}
	
	/**
	 * @class QRCode
	 * @constructor
	 * @example 
	 * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie");
	 *
	 * @example
	 * var oQRCode = new QRCode("test", {
	 *    text : "http://naver.com",
	 *    width : 128,
	 *    height : 128
	 * });
	 * 
	 * oQRCode.clear(); // Clear the QRCode.
	 * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode.
	 *
	 * @param {HTMLElement|String} el target element or 'id' attribute of element.
	 * @param {Object|String} vOption
	 * @param {String} vOption.text QRCode link data
	 * @param {Number} [vOption.width=256]
	 * @param {Number} [vOption.height=256]
	 * @param {String} [vOption.colorDark="#000000"]
	 * @param {String} [vOption.colorLight="#ffffff"]
	 * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H] 
	 */
	QRCode = function (el, vOption) {
		this._htOption = {
			width : 100,
			height : 100,
			typeNumber : 4,
			colorDark : "#000000",
			colorLight : "#ffffff",
			correctLevel : QRErrorCorrectLevel.H
		};
		
		if (typeof vOption === 'string') {
			vOption	= {
				text : vOption
			};
		}
		
		// Overwrites options
		if (vOption) {
			for (var i in vOption) {
				this._htOption[i] = vOption[i];
			}
		}
		
		if (typeof el == "string") {
			el = document.getElementById(el);
		}
		
		this._android = _getAndroid();
		this._el = el;
		this._oQRCode = null;
		this._oDrawing = new Drawing(this._el, this._htOption);
		
		if (this._htOption.text) {
			this.makeCode(this._htOption.text);	
		}
	};
	
	/**
	 * Make the QRCode
	 * 
	 * @param {String} sText link data
	 */
	QRCode.prototype.makeCode = function (sText) {
		this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel);
		this._oQRCode.addData(sText);
		this._oQRCode.make();
		this._el.title = sText;
		this._oDrawing.draw(this._oQRCode);			
		this.makeImage();
	};
	
	/**
	 * Make the Image from Canvas element
	 * - It occurs automatically
	 * - Android below 3 doesn't support Data-URI spec.
	 * 
	 * @private
	 */
	QRCode.prototype.makeImage = function () {
		if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) {
			this._oDrawing.makeImage();
		}
	};
	
	/**
	 * Clear the QRCode
	 */
	QRCode.prototype.clear = function () {
		this._oDrawing.clear();
	};
	
	/**
	 * @name QRCode.CorrectLevel
	 */
	QRCode.CorrectLevel = QRErrorCorrectLevel;
})();