diff --git a/src/_h5ai/client/js/inc/ext/qrcode.js b/src/_h5ai/client/js/inc/ext/qrcode.js
index a627cb2b..ca460eda 100644
--- a/src/_h5ai/client/js/inc/ext/qrcode.js
+++ b/src/_h5ai/client/js/inc/ext/qrcode.js
@@ -34,6 +34,7 @@ modulejs.define('ext/qrcode', ['_', '$', 'modernizr', 'core/settings', 'core/eve
width: settings.size,
height: settings.size,
color: '#333',
+ bgColor: '#fff',
text: 'http://' + document.domain + item.absHref
});
});
diff --git a/src/_h5ai/client/js/lib/jquery.qrcode-0.2.js b/src/_h5ai/client/js/lib/jquery.qrcode-0.4.js
similarity index 91%
rename from src/_h5ai/client/js/lib/jquery.qrcode-0.2.js
rename to src/_h5ai/client/js/lib/jquery.qrcode-0.4.js
index fd25ed6b..9619e759 100644
--- a/src/_h5ai/client/js/lib/jquery.qrcode-0.2.js
+++ b/src/_h5ai/client/js/lib/jquery.qrcode-0.4.js
@@ -1,4 +1,4 @@
-/*! jQuery.qrcode 0.2 - //larsjung.de/qrcode - MIT License */
+/*! jQuery.qrcode 0.4 - //larsjung.de/qrcode - MIT License */
// Uses [QR Code Generator](http://www.d-project.com/qrcode/index.html) (MIT), appended to the end of this file.
// Kudos to [jquery.qrcode.js](http://github.com/jeromeetienne/jquery-qrcode) (MIT).
@@ -6,10 +6,17 @@
(function ($) {
'use strict';
- // Wrapper for the original QR code generator.
- var createQr = function (typeNumber, correctLevel, text) {
+ // Check if canvas is available in the browser (as Modernizr does)
+ var canvasAvailable = (function () {
- // qrcode is the single public function that will be defined by the `QR Code Generator`
+ var elem = document.createElement('canvas');
+ return !!(elem.getContext && elem.getContext('2d'));
+ }()),
+
+ // Wrapper for the original QR code generator.
+ createQr = function (typeNumber, correctLevel, text) {
+
+ // `qrcode` is the single public function that will be defined by the `QR Code Generator`
// at the end of the file.
var qr = qrcode(typeNumber, correctLevel);
qr.addData(text);
@@ -31,63 +38,88 @@
return null;
},
- // Returns a `canvas` element representing the QR code for the given settings.
- createCanvas = function (settings) {
+ // Draws QR code to the given `canvas` and returns it.
+ drawOnCanvas = function (canvas, settings) {
- var qr = createBestQr(settings.text),
- $canvas = $('').attr('width', settings.width).attr('height', settings.height),
+ // some shortcuts to improve compression
+ var settings_text = settings.text,
+ settings_left = settings.left,
+ settings_top = settings.top,
+ settings_width = settings.width,
+ settings_height = settings.height,
+ settings_color = settings.color,
+ settings_bgColor = settings.bgColor,
+
+ qr = createBestQr(settings_text),
+ $canvas = $(canvas),
ctx = $canvas[0].getContext('2d');
- if (settings.bgColor) {
- ctx.fillStyle = settings.bgColor;
- ctx.fillRect(0, 0, settings.width, settings.height);
+ if (settings_bgColor) {
+ ctx.fillStyle = settings_bgColor;
+ ctx.fillRect(settings_left, settings_top, settings_width, settings_height);
}
if (qr) {
var moduleCount = qr.getModuleCount(),
- moduleWidth = settings.width / moduleCount,
- moduleHeight = settings.height / moduleCount,
+ moduleWidth = settings_width / moduleCount,
+ moduleHeight = settings_height / moduleCount,
row, col;
ctx.beginPath();
for (row = 0; row < moduleCount; row += 1) {
for (col = 0; col < moduleCount; col += 1) {
if (qr.isDark(row, col)) {
- ctx.rect(col * moduleWidth, row * moduleHeight, moduleWidth, moduleHeight);
+ ctx.rect(settings_left + col * moduleWidth, settings_top + row * moduleHeight, moduleWidth, moduleHeight);
}
}
}
- ctx.fillStyle = settings.color;
+ ctx.fillStyle = settings_color;
ctx.fill();
}
return $canvas;
},
+ // Returns a `canvas` element representing the QR code for the given settings.
+ createCanvas = function (settings) {
+
+ var $canvas = $('').attr('width', settings.width).attr('height', settings.height);
+
+ return drawOnCanvas($canvas, settings);
+ },
+
// Returns a `div` element representing the QR code for the given settings.
createDiv = function (settings) {
- var qr = createBestQr(settings.text),
+ // some shortcuts to improve compression
+ var settings_text = settings.text,
+ settings_width = settings.width,
+ settings_height = settings.height,
+ settings_color = settings.color,
+ settings_bgColor = settings.bgColor,
+ math_floor = Math.floor,
+
+ qr = createBestQr(settings_text),
$div = $('
').css({
position: 'relative',
left: 0,
top: 0,
padding: 0,
margin: 0,
- width: settings.width,
- height: settings.height
+ width: settings_width,
+ height: settings_height
});
- if (settings.bgColor) {
- $div.css('background-color', settings.bgColor);
+ if (settings_bgColor) {
+ $div.css('background-color', settings_bgColor);
}
if (qr) {
var moduleCount = qr.getModuleCount(),
- moduleWidth = Math.floor(settings.width / moduleCount),
- moduleHeight = Math.floor(settings.height / moduleCount),
- offsetLeft = Math.floor(0.5 * (settings.width - moduleWidth * moduleCount)),
- offsetTop = Math.floor(0.5 * (settings.height - moduleHeight * moduleCount)),
+ moduleWidth = math_floor(settings_width / moduleCount),
+ moduleHeight = math_floor(settings_height / moduleCount),
+ offsetLeft = math_floor(0.5 * (settings_width - moduleWidth * moduleCount)),
+ offsetTop = math_floor(0.5 * (settings_height - moduleHeight * moduleCount)),
row, col;
for (row = 0; row < moduleCount; row += 1) {
@@ -110,13 +142,18 @@
margin: 0,
width: moduleWidth,
height: moduleHeight,
- 'background-color': settings.color
+ 'background-color': settings_color
});
}
return $div;
},
+ createHTML = function (settings) {
+
+ return canvasAvailable && settings.render === 'canvas' ? createCanvas(settings) : createDiv(settings);
+ },
+
// Plugin
// ======
@@ -127,6 +164,10 @@
// render method: `'canvas'` or `'div'`
render: 'canvas',
+ // left and top in pixel if drawn onto existing canvas
+ left: 0,
+ top: 0,
+
// width and height in pixel
width: 256,
height: 256,
@@ -149,7 +190,11 @@
return this.each(function () {
- $(this).append(settings.render === 'canvas' ? createCanvas(settings) : createDiv(settings));
+ if (this.nodeName.toLowerCase() === 'canvas') {
+ drawOnCanvas(this, settings);
+ } else {
+ $(this).append(createHTML(settings));
+ }
});
};
@@ -157,1421 +202,1421 @@
// QR Code Generator
// =================
- //---------------------------------------------------------------------
- //
- // QR Code Generator 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
- //
- //---------------------------------------------------------------------
- var qrcode = function() {
- //---------------------------------------------------------------------
- // qrcode
- //---------------------------------------------------------------------
- /**
- * qrcode
- * @param typeNumber 1 to 10
- * @param errorCorrectLevel 'L','M','Q','H'
- */
- var qrcode = function(typeNumber, errorCorrectLevel) {
- var PAD0 = 0xEC;
- var PAD1 = 0x11;
- var _typeNumber = typeNumber;
- var _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel];
- var _modules = null;
- var _moduleCount = 0;
- var _dataCache = null;
- var _dataList = new Array();
- var _this = {};
- var makeImpl = function(test, maskPattern) {
- _moduleCount = _typeNumber * 4 + 17;
- _modules = function(moduleCount) {
- var modules = new Array(moduleCount);
- for (var row = 0; row < moduleCount; row += 1) {
- modules[row] = new Array(moduleCount);
- for (var col = 0; col < moduleCount; col += 1) {
- modules[row][col] = null;
- }
- }
- return modules;
- }(_moduleCount);
- setupPositionProbePattern(0, 0);
- setupPositionProbePattern(_moduleCount - 7, 0);
- setupPositionProbePattern(0, _moduleCount - 7);
- setupPositionAdjustPattern();
- setupTimingPattern();
- setupTypeInfo(test, maskPattern);
- if (_typeNumber >= 7) {
- setupTypeNumber(test);
- }
- if (_dataCache == null) {
- _dataCache = createData(_typeNumber, _errorCorrectLevel, _dataList);
- }
- mapData(_dataCache, maskPattern);
- };
- var setupPositionProbePattern = function(row, col) {
- for (var r = -1; r <= 7; r += 1) {
- if (row + r <= -1 || _moduleCount <= row + r) continue;
- for (var c = -1; c <= 7; c += 1) {
- if (col + c <= -1 || _moduleCount <= col + c) continue;
- if ( (0 <= r && r <= 6 && (c == 0 || c == 6) )
- || (0 <= c && c <= 6 && (r == 0 || r == 6) )
- || (2 <= r && r <= 4 && 2 <= c && c <= 4) ) {
- _modules[row + r][col + c] = true;
- } else {
- _modules[row + r][col + c] = false;
- }
- }
- }
- };
- var getBestMaskPattern = function() {
- var minLostPoint = 0;
- var pattern = 0;
- for (var i = 0; i < 8; i += 1) {
- makeImpl(true, i);
- var lostPoint = QRUtil.getLostPoint(_this);
- if (i == 0 || minLostPoint > lostPoint) {
- minLostPoint = lostPoint;
- pattern = i;
- }
- }
- return pattern;
- };
- var setupTimingPattern = function() {
- for (var r = 8; r < _moduleCount - 8; r += 1) {
- if (_modules[r][6] != null) {
- continue;
- }
- _modules[r][6] = (r % 2 == 0);
- }
- for (var c = 8; c < _moduleCount - 8; c += 1) {
- if (_modules[6][c] != null) {
- continue;
- }
- _modules[6][c] = (c % 2 == 0);
- }
- };
- var setupPositionAdjustPattern = function() {
- var pos = QRUtil.getPatternPosition(_typeNumber);
- for (var i = 0; i < pos.length; i += 1) {
- for (var j = 0; j < pos.length; j += 1) {
- var row = pos[i];
- var col = pos[j];
- if (_modules[row][col] != null) {
- continue;
- }
- for (var r = -2; r <= 2; r += 1) {
- for (var c = -2; c <= 2; c += 1) {
- if (r == -2 || r == 2 || c == -2 || c == 2
- || (r == 0 && c == 0) ) {
- _modules[row + r][col + c] = true;
- } else {
- _modules[row + r][col + c] = false;
- }
- }
- }
- }
- }
- };
- var setupTypeNumber = function(test) {
- var bits = QRUtil.getBCHTypeNumber(_typeNumber);
- for (var i = 0; i < 18; i += 1) {
- var mod = (!test && ( (bits >> i) & 1) == 1);
- _modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod;
- }
- for (var i = 0; i < 18; i += 1) {
- var mod = (!test && ( (bits >> i) & 1) == 1);
- _modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
- }
- };
- var setupTypeInfo = function(test, maskPattern) {
- var data = (_errorCorrectLevel << 3) | maskPattern;
- var bits = QRUtil.getBCHTypeInfo(data);
- // vertical
- for (var i = 0; i < 15; i += 1) {
- var mod = (!test && ( (bits >> i) & 1) == 1);
- if (i < 6) {
- _modules[i][8] = mod;
- } else if (i < 8) {
- _modules[i + 1][8] = mod;
- } else {
- _modules[_moduleCount - 15 + i][8] = mod;
- }
- }
- // horizontal
- for (var i = 0; i < 15; i += 1) {
- var mod = (!test && ( (bits >> i) & 1) == 1);
- if (i < 8) {
- _modules[8][_moduleCount - i - 1] = mod;
- } else if (i < 9) {
- _modules[8][15 - i - 1 + 1] = mod;
- } else {
- _modules[8][15 - i - 1] = mod;
- }
- }
- // fixed module
- _modules[_moduleCount - 8][8] = (!test);
- };
- var mapData = function(data, maskPattern) {
- var inc = -1;
- var row = _moduleCount - 1;
- var bitIndex = 7;
- var byteIndex = 0;
- var maskFunc = QRUtil.getMaskFunction(maskPattern);
- for (var col = _moduleCount - 1; col > 0; col -= 2) {
- if (col == 6) col -= 1;
- while (true) {
- for (var c = 0; c < 2; c += 1) {
- if (_modules[row][col - c] == null) {
- var dark = false;
- if (byteIndex < data.length) {
- dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1);
- }
- var mask = maskFunc(row, col - c);
- if (mask) {
- dark = !dark;
- }
- _modules[row][col - c] = dark;
- bitIndex -= 1;
- if (bitIndex == -1) {
- byteIndex += 1;
- bitIndex = 7;
- }
- }
- }
- row += inc;
- if (row < 0 || _moduleCount <= row) {
- row -= inc;
- inc = -inc;
- break;
- }
- }
- }
- };
- var createBytes = function(buffer, rsBlocks) {
- var offset = 0;
- var maxDcCount = 0;
- var maxEcCount = 0;
- var dcdata = new Array(rsBlocks.length);
- var ecdata = new Array(rsBlocks.length);
- for (var r = 0; r < rsBlocks.length; r += 1) {
- var dcCount = rsBlocks[r].dataCount;
- var 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 += 1) {
- dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset];
- }
- offset += dcCount;
- var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
- var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1);
- var modPoly = rawPoly.mod(rsPoly);
- ecdata[r] = new Array(rsPoly.getLength() - 1);
- for (var i = 0; i < ecdata[r].length; i += 1) {
- 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 += 1) {
- totalCodeCount += rsBlocks[i].totalCount;
- }
- var data = new Array(totalCodeCount);
- var index = 0;
- for (var i = 0; i < maxDcCount; i += 1) {
- for (var r = 0; r < rsBlocks.length; r += 1) {
- if (i < dcdata[r].length) {
- data[index] = dcdata[r][i];
- index += 1;
- }
- }
- }
- for (var i = 0; i < maxEcCount; i += 1) {
- for (var r = 0; r < rsBlocks.length; r += 1) {
- if (i < ecdata[r].length) {
- data[index] = ecdata[r][i];
- index += 1;
- }
- }
- }
- return data;
- };
- var createData = function(typeNumber, errorCorrectLevel, dataList) {
- var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
- var buffer = qrBitBuffer();
- for (var i = 0; i < dataList.length; i += 1) {
- var data = dataList[i];
- buffer.put(data.getMode(), 4);
- buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) );
- data.write(buffer);
- }
- // calc num max data.
- var totalDataCount = 0;
- for (var i = 0; i < rsBlocks.length; i += 1) {
- totalDataCount += rsBlocks[i].dataCount;
- }
- if (buffer.getLengthInBits() > totalDataCount * 8) {
- throw new Error('code length overflow. ('
- + buffer.getLengthInBits()
- + '>'
- + totalDataCount * 8
- + ')');
- }
- // end code
- if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
- buffer.put(0, 4);
- }
- // padding
- while (buffer.getLengthInBits() % 8 != 0) {
- buffer.putBit(false);
- }
- // padding
- while (true) {
- if (buffer.getLengthInBits() >= totalDataCount * 8) {
- break;
- }
- buffer.put(PAD0, 8);
- if (buffer.getLengthInBits() >= totalDataCount * 8) {
- break;
- }
- buffer.put(PAD1, 8);
- }
- return createBytes(buffer, rsBlocks);
- };
- _this.addData = function(data) {
- var newData = qr8BitByte(data);
- _dataList.push(newData);
- _dataCache = null;
- };
- _this.isDark = function(row, col) {
- if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
- throw new Error(row + ',' + col);
- }
- return _modules[row][col];
- };
- _this.getModuleCount = function() {
- return _moduleCount;
- };
- _this.make = function() {
- makeImpl(false, getBestMaskPattern() );
- };
- _this.createTableTag = function(cellSize, margin) {
- cellSize = cellSize || 2;
- margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
- var qrHtml = '';
- qrHtml += '';
- qrHtml += '';
- for (var r = 0; r < _this.getModuleCount(); r += 1) {
- qrHtml += '';
- for (var c = 0; c < _this.getModuleCount(); c += 1) {
- qrHtml += ' | ';
- }
- qrHtml += '
';
- }
- qrHtml += '';
- qrHtml += '
';
- return qrHtml;
- };
- _this.createImgTag = function(cellSize, margin) {
- cellSize = cellSize || 2;
- margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
- var size = _this.getModuleCount() * cellSize + margin * 2;
- var min = margin;
- var max = size - margin;
- return createImgTag(size, size, function(x, y) {
- if (min <= x && x < max && min <= y && y < max) {
- var c = Math.floor( (x - min) / cellSize);
- var r = Math.floor( (y - min) / cellSize);
- return _this.isDark(r, c)? 0 : 1;
- } else {
- return 1;
- }
- } );
- };
- return _this;
- };
- //---------------------------------------------------------------------
- // qrcode.stringToBytes
- //---------------------------------------------------------------------
- qrcode.stringToBytes = function(s) {
- var bytes = new Array();
- for (var i = 0; i < s.length; i += 1) {
- var c = s.charCodeAt(i);
- bytes.push(c & 0xff);
- }
- return bytes;
- };
- //---------------------------------------------------------------------
- // qrcode.createStringToBytes
- //---------------------------------------------------------------------
- /**
- * @param unicodeData base64 string of byte array.
- * [16bit Unicode],[16bit Bytes], ...
- * @param numChars
- */
- qrcode.createStringToBytes = function(unicodeData, numChars) {
- // create conversion map.
- var unicodeMap = function() {
- var bin = base64DecodeInputStream(unicodeData);
- var read = function() {
- var b = bin.read();
- if (b == -1) throw new Error();
- return b;
- };
- var count = 0;
- var unicodeMap = {};
- while (true) {
- var b0 = bin.read();
- if (b0 == -1) break;
- var b1 = read();
- var b2 = read();
- var b3 = read();
- var k = String.fromCharCode( (b0 << 8) | b1);
- var v = (b2 << 8) | b3;
- unicodeMap[k] = v;
- count += 1;
- }
- if (count != numChars) {
- throw new Error(count + ' != ' + numChars);
- }
- return unicodeMap;
- }();
- var unknownChar = '?'.charCodeAt(0);
- return function(s) {
- var bytes = new Array();
- for (var i = 0; i < s.length; i += 1) {
- var c = s.charCodeAt(i);
- if (c < 128) {
- bytes.push(c);
- } else {
- var b = unicodeMap[s.charAt(i)];
- if (typeof b == 'number') {
- if ( (b & 0xff) == b) {
- // 1byte
- bytes.push(b);
- } else {
- // 2bytes
- bytes.push(b >>> 8);
- bytes.push(b & 0xff);
- }
- } else {
- bytes.push(unknownChar);
- }
- }
- }
- return bytes;
- };
- };
- //---------------------------------------------------------------------
- // QRMode
- //---------------------------------------------------------------------
- var QRMode = {
- MODE_NUMBER : 1 << 0,
- MODE_ALPHA_NUM : 1 << 1,
- MODE_8BIT_BYTE : 1 << 2,
- MODE_KANJI : 1 << 3
- };
- //---------------------------------------------------------------------
- // QRErrorCorrectLevel
- //---------------------------------------------------------------------
- var QRErrorCorrectLevel = {
- L : 1,
- M : 0,
- Q : 3,
- H : 2
- };
- //---------------------------------------------------------------------
- // QRMaskPattern
- //---------------------------------------------------------------------
- var QRMaskPattern = {
- PATTERN000 : 0,
- PATTERN001 : 1,
- PATTERN010 : 2,
- PATTERN011 : 3,
- PATTERN100 : 4,
- PATTERN101 : 5,
- PATTERN110 : 6,
- PATTERN111 : 7
- };
- //---------------------------------------------------------------------
- // QRUtil
- //---------------------------------------------------------------------
- var QRUtil = function() {
- var 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]
- ];
- var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0);
- var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0);
- var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1);
- var _this = {};
- var getBCHDigit = function(data) {
- var digit = 0;
- while (data != 0) {
- digit += 1;
- data >>>= 1;
- }
- return digit;
- };
- _this.getBCHTypeInfo = function(data) {
- var d = data << 10;
- while (getBCHDigit(d) - getBCHDigit(G15) >= 0) {
- d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) );
- }
- return ( (data << 10) | d) ^ G15_MASK;
- };
- _this.getBCHTypeNumber = function(data) {
- var d = data << 12;
- while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
- d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) );
- }
- return (data << 12) | d;
- };
- _this.getPatternPosition = function(typeNumber) {
- return PATTERN_POSITION_TABLE[typeNumber - 1];
- };
- _this.getMaskFunction = function(maskPattern) {
- switch (maskPattern) {
- case QRMaskPattern.PATTERN000 :
- return function(i, j) { return (i + j) % 2 == 0; };
- case QRMaskPattern.PATTERN001 :
- return function(i, j) { return i % 2 == 0; };
- case QRMaskPattern.PATTERN010 :
- return function(i, j) { return j % 3 == 0; };
- case QRMaskPattern.PATTERN011 :
- return function(i, j) { return (i + j) % 3 == 0; };
- case QRMaskPattern.PATTERN100 :
- return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; };
- case QRMaskPattern.PATTERN101 :
- return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; };
- case QRMaskPattern.PATTERN110 :
- return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; };
- case QRMaskPattern.PATTERN111 :
- return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; };
- default :
- throw new Error('bad maskPattern:' + maskPattern);
- }
- };
- _this.getErrorCorrectPolynomial = function(errorCorrectLength) {
- var a = qrPolynomial([1], 0);
- for (var i = 0; i < errorCorrectLength; i += 1) {
- a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) );
- }
- return a;
- };
- _this.getLengthInBits = function(mode, type) {
- if (1 <= type && type < 10) {
- // 1 - 9
- 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) {
- // 10 - 26
- 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) {
- // 27 - 40
- 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);
- }
- } else {
- throw new Error('type:' + type);
- }
- };
- _this.getLostPoint = function(qrcode) {
- var moduleCount = qrcode.getModuleCount();
- var lostPoint = 0;
- // LEVEL1
- for (var row = 0; row < moduleCount; row += 1) {
- for (var col = 0; col < moduleCount; col += 1) {
- var sameCount = 0;
- var dark = qrcode.isDark(row, col);
- for (var r = -1; r <= 1; r += 1) {
- if (row + r < 0 || moduleCount <= row + r) {
- continue;
- }
- for (var c = -1; c <= 1; c += 1) {
- if (col + c < 0 || moduleCount <= col + c) {
- continue;
- }
- if (r == 0 && c == 0) {
- continue;
- }
- if (dark == qrcode.isDark(row + r, col + c) ) {
- sameCount += 1;
- }
- }
- }
- if (sameCount > 5) {
- lostPoint += (3 + sameCount - 5);
- }
- }
- };
- // LEVEL2
- for (var row = 0; row < moduleCount - 1; row += 1) {
- for (var col = 0; col < moduleCount - 1; col += 1) {
- var count = 0;
- if (qrcode.isDark(row, col) ) count += 1;
- if (qrcode.isDark(row + 1, col) ) count += 1;
- if (qrcode.isDark(row, col + 1) ) count += 1;
- if (qrcode.isDark(row + 1, col + 1) ) count += 1;
- if (count == 0 || count == 4) {
- lostPoint += 3;
- }
- }
- }
- // LEVEL3
- for (var row = 0; row < moduleCount; row += 1) {
- for (var col = 0; col < moduleCount - 6; col += 1) {
- if (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 += 1) {
- for (var row = 0; row < moduleCount - 6; row += 1) {
- if (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;
- }
- }
- }
- // LEVEL4
- var darkCount = 0;
- for (var col = 0; col < moduleCount; col += 1) {
- for (var row = 0; row < moduleCount; row += 1) {
- if (qrcode.isDark(row, col) ) {
- darkCount += 1;
- }
- }
- }
- var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
- lostPoint += ratio * 10;
- return lostPoint;
- };
- return _this;
- }();
- //---------------------------------------------------------------------
- // QRMath
- //---------------------------------------------------------------------
- var QRMath = function() {
- var EXP_TABLE = new Array(256);
- var LOG_TABLE = new Array(256);
- // initialize tables
- for (var i = 0; i < 8; i += 1) {
- EXP_TABLE[i] = 1 << i;
- }
- for (var i = 8; i < 256; i += 1) {
- EXP_TABLE[i] = EXP_TABLE[i - 4]
- ^ EXP_TABLE[i - 5]
- ^ EXP_TABLE[i - 6]
- ^ EXP_TABLE[i - 8];
- }
- for (var i = 0; i < 255; i += 1) {
- LOG_TABLE[EXP_TABLE[i] ] = i;
- }
- var _this = {};
- _this.glog = function(n) {
- if (n < 1) {
- throw new Error('glog(' + n + ')');
- }
- return LOG_TABLE[n];
- };
- _this.gexp = function(n) {
- while (n < 0) {
- n += 255;
- }
- while (n >= 256) {
- n -= 255;
- }
- return EXP_TABLE[n];
- };
- return _this;
- }();
- //---------------------------------------------------------------------
- // qrPolynomial
- //---------------------------------------------------------------------
- function qrPolynomial(num, shift) {
- if (typeof num.length == 'undefined') {
- throw new Error(num.length + '/' + shift);
- }
- var _num = function() {
- var offset = 0;
- while (offset < num.length && num[offset] == 0) {
- offset += 1;
- }
- var _num = new Array(num.length - offset + shift);
- for (var i = 0; i < num.length - offset; i += 1) {
- _num[i] = num[i + offset];
- }
- return _num;
- }();
- var _this = {};
- _this.get = function(index) {
- return _num[index];
- };
- _this.getLength = function() {
- return _num.length;
- };
- _this.multiply = function(e) {
- var num = new Array(_this.getLength() + e.getLength() - 1);
- for (var i = 0; i < _this.getLength(); i += 1) {
- for (var j = 0; j < e.getLength(); j += 1) {
- num[i + j] ^= QRMath.gexp(QRMath.glog(_this.get(i) ) + QRMath.glog(e.get(j) ) );
- }
- }
- return qrPolynomial(num, 0);
- };
- _this.mod = function(e) {
- if (_this.getLength() - e.getLength() < 0) {
- return _this;
- }
- var ratio = QRMath.glog(_this.get(0) ) - QRMath.glog(e.get(0) );
- var num = new Array(_this.getLength() );
- for (var i = 0; i < _this.getLength(); i += 1) {
- num[i] = _this.get(i);
- }
- for (var i = 0; i < e.getLength(); i += 1) {
- num[i] ^= QRMath.gexp(QRMath.glog(e.get(i) ) + ratio);
- }
- // recursive call
- return qrPolynomial(num, 0).mod(e);
- };
- return _this;
- };
- //---------------------------------------------------------------------
- // QRRSBlock
- //---------------------------------------------------------------------
- var QRRSBlock = function() {
- var RS_BLOCK_TABLE = [
- // L
- // M
- // Q
- // H
- // 1
- [1, 26, 19],
- [1, 26, 16],
- [1, 26, 13],
- [1, 26, 9],
- // 2
- [1, 44, 34],
- [1, 44, 28],
- [1, 44, 22],
- [1, 44, 16],
- // 3
- [1, 70, 55],
- [1, 70, 44],
- [2, 35, 17],
- [2, 35, 13],
- // 4
- [1, 100, 80],
- [2, 50, 32],
- [2, 50, 24],
- [4, 25, 9],
- // 5
- [1, 134, 108],
- [2, 67, 43],
- [2, 33, 15, 2, 34, 16],
- [2, 33, 11, 2, 34, 12],
- // 6
- [2, 86, 68],
- [4, 43, 27],
- [4, 43, 19],
- [4, 43, 15],
- // 7
- [2, 98, 78],
- [4, 49, 31],
- [2, 32, 14, 4, 33, 15],
- [4, 39, 13, 1, 40, 14],
- // 8
- [2, 121, 97],
- [2, 60, 38, 2, 61, 39],
- [4, 40, 18, 2, 41, 19],
- [4, 40, 14, 2, 41, 15],
- // 9
- [2, 146, 116],
- [3, 58, 36, 2, 59, 37],
- [4, 36, 16, 4, 37, 17],
- [4, 36, 12, 4, 37, 13],
- // 10
- [2, 86, 68, 2, 87, 69],
- [4, 69, 43, 1, 70, 44],
- [6, 43, 19, 2, 44, 20],
- [6, 43, 15, 2, 44, 16],
- // 11
- [4, 101, 81],
- [1, 80, 50, 4, 81, 51],
- [4, 50, 22, 4, 51, 23],
- [3, 36, 12, 8, 37, 13],
- // 12
- [2, 116, 92, 2, 117, 93],
- [6, 58, 36, 2, 59, 37],
- [4, 46, 20, 6, 47, 21],
- [7, 42, 14, 4, 43, 15],
- // 13
- [4, 133, 107],
- [8, 59, 37, 1, 60, 38],
- [8, 44, 20, 4, 45, 21],
- [12, 33, 11, 4, 34, 12],
- // 14
- [3, 145, 115, 1, 146, 116],
- [4, 64, 40, 5, 65, 41],
- [11, 36, 16, 5, 37, 17],
- [11, 36, 12, 5, 37, 13],
- // 15
- [5, 109, 87, 1, 110, 88],
- [5, 65, 41, 5, 66, 42],
- [5, 54, 24, 7, 55, 25],
- [11, 36, 12],
- // 16
- [5, 122, 98, 1, 123, 99],
- [7, 73, 45, 3, 74, 46],
- [15, 43, 19, 2, 44, 20],
- [3, 45, 15, 13, 46, 16],
- // 17
- [1, 135, 107, 5, 136, 108],
- [10, 74, 46, 1, 75, 47],
- [1, 50, 22, 15, 51, 23],
- [2, 42, 14, 17, 43, 15],
- // 18
- [5, 150, 120, 1, 151, 121],
- [9, 69, 43, 4, 70, 44],
- [17, 50, 22, 1, 51, 23],
- [2, 42, 14, 19, 43, 15],
- // 19
- [3, 141, 113, 4, 142, 114],
- [3, 70, 44, 11, 71, 45],
- [17, 47, 21, 4, 48, 22],
- [9, 39, 13, 16, 40, 14],
- // 20
- [3, 135, 107, 5, 136, 108],
- [3, 67, 41, 13, 68, 42],
- [15, 54, 24, 5, 55, 25],
- [15, 43, 15, 10, 44, 16],
- // 21
- [4, 144, 116, 4, 145, 117],
- [17, 68, 42],
- [17, 50, 22, 6, 51, 23],
- [19, 46, 16, 6, 47, 17],
- // 22
- [2, 139, 111, 7, 140, 112],
- [17, 74, 46],
- [7, 54, 24, 16, 55, 25],
- [34, 37, 13],
- // 23
- [4, 151, 121, 5, 152, 122],
- [4, 75, 47, 14, 76, 48],
- [11, 54, 24, 14, 55, 25],
- [16, 45, 15, 14, 46, 16],
- // 24
- [6, 147, 117, 4, 148, 118],
- [6, 73, 45, 14, 74, 46],
- [11, 54, 24, 16, 55, 25],
- [30, 46, 16, 2, 47, 17],
- // 25
- [8, 132, 106, 4, 133, 107],
- [8, 75, 47, 13, 76, 48],
- [7, 54, 24, 22, 55, 25],
- [22, 45, 15, 13, 46, 16],
- // 26
- [10, 142, 114, 2, 143, 115],
- [19, 74, 46, 4, 75, 47],
- [28, 50, 22, 6, 51, 23],
- [33, 46, 16, 4, 47, 17],
- // 27
- [8, 152, 122, 4, 153, 123],
- [22, 73, 45, 3, 74, 46],
- [8, 53, 23, 26, 54, 24],
- [12, 45, 15, 28, 46, 16],
- // 28
- [3, 147, 117, 10, 148, 118],
- [3, 73, 45, 23, 74, 46],
- [4, 54, 24, 31, 55, 25],
- [11, 45, 15, 31, 46, 16],
- // 29
- [7, 146, 116, 7, 147, 117],
- [21, 73, 45, 7, 74, 46],
- [1, 53, 23, 37, 54, 24],
- [19, 45, 15, 26, 46, 16],
- // 30
- [5, 145, 115, 10, 146, 116],
- [19, 75, 47, 10, 76, 48],
- [15, 54, 24, 25, 55, 25],
- [23, 45, 15, 25, 46, 16],
- // 31
- [13, 145, 115, 3, 146, 116],
- [2, 74, 46, 29, 75, 47],
- [42, 54, 24, 1, 55, 25],
- [23, 45, 15, 28, 46, 16],
- // 32
- [17, 145, 115],
- [10, 74, 46, 23, 75, 47],
- [10, 54, 24, 35, 55, 25],
- [19, 45, 15, 35, 46, 16],
- // 33
- [17, 145, 115, 1, 146, 116],
- [14, 74, 46, 21, 75, 47],
- [29, 54, 24, 19, 55, 25],
- [11, 45, 15, 46, 46, 16],
- // 34
- [13, 145, 115, 6, 146, 116],
- [14, 74, 46, 23, 75, 47],
- [44, 54, 24, 7, 55, 25],
- [59, 46, 16, 1, 47, 17],
- // 35
- [12, 151, 121, 7, 152, 122],
- [12, 75, 47, 26, 76, 48],
- [39, 54, 24, 14, 55, 25],
- [22, 45, 15, 41, 46, 16],
- // 36
- [6, 151, 121, 14, 152, 122],
- [6, 75, 47, 34, 76, 48],
- [46, 54, 24, 10, 55, 25],
- [2, 45, 15, 64, 46, 16],
- // 37
- [17, 152, 122, 4, 153, 123],
- [29, 74, 46, 14, 75, 47],
- [49, 54, 24, 10, 55, 25],
- [24, 45, 15, 46, 46, 16],
- // 38
- [4, 152, 122, 18, 153, 123],
- [13, 74, 46, 32, 75, 47],
- [48, 54, 24, 14, 55, 25],
- [42, 45, 15, 32, 46, 16],
- // 39
- [20, 147, 117, 4, 148, 118],
- [40, 75, 47, 7, 76, 48],
- [43, 54, 24, 22, 55, 25],
- [10, 45, 15, 67, 46, 16],
- // 40
- [19, 148, 118, 6, 149, 119],
- [18, 75, 47, 31, 76, 48],
- [34, 54, 24, 34, 55, 25],
- [20, 45, 15, 61, 46, 16]
- ];
- var qrRSBlock = function(totalCount, dataCount) {
- var _this = {};
- _this.totalCount = totalCount;
- _this.dataCount = dataCount;
- return _this;
- };
- var _this = {};
- var getRsBlockTable = function(typeNumber, errorCorrectLevel) {
- switch(errorCorrectLevel) {
- case QRErrorCorrectLevel.L :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
- case QRErrorCorrectLevel.M :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
- case QRErrorCorrectLevel.Q :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
- case QRErrorCorrectLevel.H :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
- default :
- return undefined;
- }
- };
- _this.getRSBlocks = function(typeNumber, errorCorrectLevel) {
- var rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel);
- if (typeof rsBlock == 'undefined') {
- throw new Error('bad rs block @ typeNumber:' + typeNumber +
- '/errorCorrectLevel:' + errorCorrectLevel);
- }
- var length = rsBlock.length / 3;
- var list = new Array();
- for (var i = 0; i < length; i += 1) {
- var count = rsBlock[i * 3 + 0];
- var totalCount = rsBlock[i * 3 + 1];
- var dataCount = rsBlock[i * 3 + 2];
- for (var j = 0; j < count; j += 1) {
- list.push(qrRSBlock(totalCount, dataCount) );
- }
- }
- return list;
- };
- return _this;
- }();
- //---------------------------------------------------------------------
- // qrBitBuffer
- //---------------------------------------------------------------------
- var qrBitBuffer = function() {
- var _buffer = new Array();
- var _length = 0;
- var _this = {};
- _this.getBuffer = function() {
- return _buffer;
- };
- _this.get = function(index) {
- var bufIndex = Math.floor(index / 8);
- return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1;
- };
- _this.put = function(num, length) {
- for (var i = 0; i < length; i += 1) {
- _this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1);
- }
- };
- _this.getLengthInBits = function() {
- return _length;
- };
- _this.putBit = function(bit) {
- var bufIndex = Math.floor(_length / 8);
- if (_buffer.length <= bufIndex) {
- _buffer.push(0);
- }
- if (bit) {
- _buffer[bufIndex] |= (0x80 >>> (_length % 8) );
- }
- _length += 1;
- };
- return _this;
- };
- //---------------------------------------------------------------------
- // qr8BitByte
- //---------------------------------------------------------------------
- var qr8BitByte = function(data) {
- var _mode = QRMode.MODE_8BIT_BYTE;
- var _data = data;
- var _bytes = qrcode.stringToBytes(data);
- var _this = {};
- _this.getMode = function() {
- return _mode;
- };
- _this.getLength = function(buffer) {
- return _bytes.length;
- };
- _this.write = function(buffer) {
- for (var i = 0; i < _bytes.length; i += 1) {
- buffer.put(_bytes[i], 8);
- }
- };
- return _this;
- };
- //=====================================================================
- // GIF Support etc.
- //
- //---------------------------------------------------------------------
- // byteArrayOutputStream
- //---------------------------------------------------------------------
- var byteArrayOutputStream = function() {
- var _bytes = new Array();
- var _this = {};
- _this.writeByte = function(b) {
- _bytes.push(b & 0xff);
- };
- _this.writeShort = function(i) {
- _this.writeByte(i);
- _this.writeByte(i >>> 8);
- };
- _this.writeBytes = function(b, off, len) {
- off = off || 0;
- len = len || b.length;
- for (var i = 0; i < len; i += 1) {
- _this.writeByte(b[i + off]);
- }
- };
- _this.writeString = function(s) {
- for (var i = 0; i < s.length; i += 1) {
- _this.writeByte(s.charCodeAt(i) );
- }
- };
- _this.toByteArray = function() {
- return _bytes;
- };
- _this.toString = function() {
- var s = '';
- s += '[';
- for (var i = 0; i < _bytes.length; i += 1) {
- if (i > 0) {
- s += ',';
- }
- s += _bytes[i];
- }
- s += ']';
- return s;
- };
- return _this;
- };
- //---------------------------------------------------------------------
- // base64EncodeOutputStream
- //---------------------------------------------------------------------
- var base64EncodeOutputStream = function() {
- var _buffer = 0;
- var _buflen = 0;
- var _length = 0;
- var _base64 = '';
- var _this = {};
- var writeEncoded = function(b) {
- _base64 += String.fromCharCode(encode(b & 0x3f) );
- };
- var encode = function(n) {
- if (n < 0) {
- // error.
- } else if (n < 26) {
- return 0x41 + n;
- } else if (n < 52) {
- return 0x61 + (n - 26);
- } else if (n < 62) {
- return 0x30 + (n - 52);
- } else if (n == 62) {
- return 0x2b;
- } else if (n == 63) {
- return 0x2f;
- }
- throw new Error('n:' + n);
- };
- _this.writeByte = function(n) {
- _buffer = (_buffer << 8) | (n & 0xff);
- _buflen += 8;
- _length += 1;
- while (_buflen >= 6) {
- writeEncoded(_buffer >>> (_buflen - 6) );
- _buflen -= 6;
- }
- };
- _this.flush = function() {
- if (_buflen > 0) {
- writeEncoded(_buffer << (6 - _buflen) );
- _buffer = 0;
- _buflen = 0;
- }
- if (_length % 3 != 0) {
- // padding
- var padlen = 3 - _length % 3;
- for (var i = 0; i < padlen; i += 1) {
- _base64 += '=';
- }
- }
- };
- _this.toString = function() {
- return _base64;
- };
- return _this;
- };
- //---------------------------------------------------------------------
- // base64DecodeInputStream
- //---------------------------------------------------------------------
- var base64DecodeInputStream = function(str) {
- var _str = str;
- var _pos = 0;
- var _buffer = 0;
- var _buflen = 0;
- var _this = {};
- _this.read = function() {
- while (_buflen < 8) {
- if (_pos >= _str.length) {
- if (_buflen == 0) {
- return -1;
- }
- throw new Error('unexpected end of file./' + _buflen);
- }
- var c = _str.charAt(_pos);
- _pos += 1;
- if (c == '=') {
- _buflen = 0;
- return -1;
- } else if (c.match(/^\s$/) ) {
- // ignore if whitespace.
- continue;
- }
- _buffer = (_buffer << 6) | decode(c.charCodeAt(0) );
- _buflen += 6;
- }
- var n = (_buffer >>> (_buflen - 8) ) & 0xff;
- _buflen -= 8;
- return n;
- };
- var decode = function(c) {
- if (0x41 <= c && c <= 0x5a) {
- return c - 0x41;
- } else if (0x61 <= c && c <= 0x7a) {
- return c - 0x61 + 26;
- } else if (0x30 <= c && c <= 0x39) {
- return c - 0x30 + 52;
- } else if (c == 0x2b) {
- return 62;
- } else if (c == 0x2f) {
- return 63;
- } else {
- throw new Error('c:' + c);
- }
- };
- return _this;
- };
- //---------------------------------------------------------------------
- // gifImage (B/W)
- //---------------------------------------------------------------------
- var gifImage = function(width, height) {
- var _width = width;
- var _height = height;
- var _data = new Array(width * height);
- var _this = {};
- _this.setPixel = function(x, y, pixel) {
- _data[y * _width + x] = pixel;
- };
- _this.write = function(out) {
- //---------------------------------
- // GIF Signature
- out.writeString('GIF87a');
- //---------------------------------
- // Screen Descriptor
- out.writeShort(_width);
- out.writeShort(_height);
- out.writeByte(0x80); // 2bit
- out.writeByte(0);
- out.writeByte(0);
- //---------------------------------
- // Global Color Map
- // black
- out.writeByte(0x00);
- out.writeByte(0x00);
- out.writeByte(0x00);
- // white
- out.writeByte(0xff);
- out.writeByte(0xff);
- out.writeByte(0xff);
- //---------------------------------
- // Image Descriptor
- out.writeString(',');
- out.writeShort(0);
- out.writeShort(0);
- out.writeShort(_width);
- out.writeShort(_height);
- out.writeByte(0);
- //---------------------------------
- // Local Color Map
- //---------------------------------
- // Raster Data
- var lzwMinCodeSize = 2;
- var raster = getLZWRaster(lzwMinCodeSize);
- out.writeByte(lzwMinCodeSize);
- var offset = 0;
- while (raster.length - offset > 255) {
- out.writeByte(255);
- out.writeBytes(raster, offset, 255);
- offset += 255;
- }
- out.writeByte(raster.length - offset);
- out.writeBytes(raster, offset, raster.length - offset);
- out.writeByte(0x00);
- //---------------------------------
- // GIF Terminator
- out.writeString(';');
- };
- var bitOutputStream = function(out) {
- var _out = out;
- var _bitLength = 0;
- var _bitBuffer = 0;
- var _this = {};
- _this.write = function(data, length) {
- if ( (data >>> length) != 0) {
- throw new Error('length over');
- }
- while (_bitLength + length >= 8) {
- _out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) );
- length -= (8 - _bitLength);
- data >>>= (8 - _bitLength);
- _bitBuffer = 0;
- _bitLength = 0;
- }
- _bitBuffer = (data << _bitLength) | _bitBuffer;
- _bitLength = _bitLength + length;
- };
- _this.flush = function() {
- if (_bitLength > 0) {
- _out.writeByte(_bitBuffer);
- }
- };
- return _this;
- };
- var getLZWRaster = function(lzwMinCodeSize) {
- var clearCode = 1 << lzwMinCodeSize;
- var endCode = (1 << lzwMinCodeSize) + 1;
- var bitLength = lzwMinCodeSize + 1;
- // Setup LZWTable
- var table = lzwTable();
- for (var i = 0; i < clearCode; i += 1) {
- table.add(String.fromCharCode(i) );
- }
- table.add(String.fromCharCode(clearCode) );
- table.add(String.fromCharCode(endCode) );
- var byteOut = byteArrayOutputStream();
- var bitOut = bitOutputStream(byteOut);
- // clear code
- bitOut.write(clearCode, bitLength);
- var dataIndex = 0;
- var s = String.fromCharCode(_data[dataIndex]);
- dataIndex += 1;
- while (dataIndex < _data.length) {
- var c = String.fromCharCode(_data[dataIndex]);
- dataIndex += 1;
- if (table.contains(s + c) ) {
- s = s + c;
- } else {
- bitOut.write(table.indexOf(s), bitLength);
- if (table.size() < 0xfff) {
- if (table.size() == (1 << bitLength) ) {
- bitLength += 1;
- }
- table.add(s + c);
- }
- s = c;
- }
- }
- bitOut.write(table.indexOf(s), bitLength);
- // end code
- bitOut.write(endCode, bitLength);
- bitOut.flush();
- return byteOut.toByteArray();
- };
- var lzwTable = function() {
- var _map = {};
- var _size = 0;
- var _this = {};
- _this.add = function(key) {
- if (_this.contains(key) ) {
- throw new Error('dup key:' + key);
- }
- _map[key] = _size;
- _size += 1;
- };
- _this.size = function() {
- return _size;
- };
- _this.indexOf = function(key) {
- return _map[key];
- };
- _this.contains = function(key) {
- return typeof _map[key] != 'undefined';
- };
- return _this;
- };
- return _this;
- };
- var createImgTag = function(width, height, getPixel, alt) {
- var gif = gifImage(width, height);
- for (var y = 0; y < height; y += 1) {
- for (var x = 0; x < width; x += 1) {
- gif.setPixel(x, y, getPixel(x, y) );
- }
- }
- var b = byteArrayOutputStream();
- gif.write(b);
- var base64 = base64EncodeOutputStream();
- var bytes = b.toByteArray();
- for (var i = 0; i < bytes.length; i += 1) {
- base64.writeByte(bytes[i]);
- }
- base64.flush();
- var img = '';
- img += '
';
- return img;
- };
- //---------------------------------------------------------------------
- // returns qrcode function.
- return qrcode;
- }();
+ //---------------------------------------------------------------------
+ //
+ // QR Code Generator 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
+ //
+ //---------------------------------------------------------------------
+ var qrcode = function() {
+ //---------------------------------------------------------------------
+ // qrcode
+ //---------------------------------------------------------------------
+ /**
+ * qrcode
+ * @param typeNumber 1 to 10
+ * @param errorCorrectLevel 'L','M','Q','H'
+ */
+ var qrcode = function(typeNumber, errorCorrectLevel) {
+ var PAD0 = 0xEC;
+ var PAD1 = 0x11;
+ var _typeNumber = typeNumber;
+ var _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel];
+ var _modules = null;
+ var _moduleCount = 0;
+ var _dataCache = null;
+ var _dataList = new Array();
+ var _this = {};
+ var makeImpl = function(test, maskPattern) {
+ _moduleCount = _typeNumber * 4 + 17;
+ _modules = function(moduleCount) {
+ var modules = new Array(moduleCount);
+ for (var row = 0; row < moduleCount; row += 1) {
+ modules[row] = new Array(moduleCount);
+ for (var col = 0; col < moduleCount; col += 1) {
+ modules[row][col] = null;
+ }
+ }
+ return modules;
+ }(_moduleCount);
+ setupPositionProbePattern(0, 0);
+ setupPositionProbePattern(_moduleCount - 7, 0);
+ setupPositionProbePattern(0, _moduleCount - 7);
+ setupPositionAdjustPattern();
+ setupTimingPattern();
+ setupTypeInfo(test, maskPattern);
+ if (_typeNumber >= 7) {
+ setupTypeNumber(test);
+ }
+ if (_dataCache == null) {
+ _dataCache = createData(_typeNumber, _errorCorrectLevel, _dataList);
+ }
+ mapData(_dataCache, maskPattern);
+ };
+ var setupPositionProbePattern = function(row, col) {
+ for (var r = -1; r <= 7; r += 1) {
+ if (row + r <= -1 || _moduleCount <= row + r) continue;
+ for (var c = -1; c <= 7; c += 1) {
+ if (col + c <= -1 || _moduleCount <= col + c) continue;
+ if ( (0 <= r && r <= 6 && (c == 0 || c == 6) )
+ || (0 <= c && c <= 6 && (r == 0 || r == 6) )
+ || (2 <= r && r <= 4 && 2 <= c && c <= 4) ) {
+ _modules[row + r][col + c] = true;
+ } else {
+ _modules[row + r][col + c] = false;
+ }
+ }
+ }
+ };
+ var getBestMaskPattern = function() {
+ var minLostPoint = 0;
+ var pattern = 0;
+ for (var i = 0; i < 8; i += 1) {
+ makeImpl(true, i);
+ var lostPoint = QRUtil.getLostPoint(_this);
+ if (i == 0 || minLostPoint > lostPoint) {
+ minLostPoint = lostPoint;
+ pattern = i;
+ }
+ }
+ return pattern;
+ };
+ var setupTimingPattern = function() {
+ for (var r = 8; r < _moduleCount - 8; r += 1) {
+ if (_modules[r][6] != null) {
+ continue;
+ }
+ _modules[r][6] = (r % 2 == 0);
+ }
+ for (var c = 8; c < _moduleCount - 8; c += 1) {
+ if (_modules[6][c] != null) {
+ continue;
+ }
+ _modules[6][c] = (c % 2 == 0);
+ }
+ };
+ var setupPositionAdjustPattern = function() {
+ var pos = QRUtil.getPatternPosition(_typeNumber);
+ for (var i = 0; i < pos.length; i += 1) {
+ for (var j = 0; j < pos.length; j += 1) {
+ var row = pos[i];
+ var col = pos[j];
+ if (_modules[row][col] != null) {
+ continue;
+ }
+ for (var r = -2; r <= 2; r += 1) {
+ for (var c = -2; c <= 2; c += 1) {
+ if (r == -2 || r == 2 || c == -2 || c == 2
+ || (r == 0 && c == 0) ) {
+ _modules[row + r][col + c] = true;
+ } else {
+ _modules[row + r][col + c] = false;
+ }
+ }
+ }
+ }
+ }
+ };
+ var setupTypeNumber = function(test) {
+ var bits = QRUtil.getBCHTypeNumber(_typeNumber);
+ for (var i = 0; i < 18; i += 1) {
+ var mod = (!test && ( (bits >> i) & 1) == 1);
+ _modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod;
+ }
+ for (var i = 0; i < 18; i += 1) {
+ var mod = (!test && ( (bits >> i) & 1) == 1);
+ _modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
+ }
+ };
+ var setupTypeInfo = function(test, maskPattern) {
+ var data = (_errorCorrectLevel << 3) | maskPattern;
+ var bits = QRUtil.getBCHTypeInfo(data);
+ // vertical
+ for (var i = 0; i < 15; i += 1) {
+ var mod = (!test && ( (bits >> i) & 1) == 1);
+ if (i < 6) {
+ _modules[i][8] = mod;
+ } else if (i < 8) {
+ _modules[i + 1][8] = mod;
+ } else {
+ _modules[_moduleCount - 15 + i][8] = mod;
+ }
+ }
+ // horizontal
+ for (var i = 0; i < 15; i += 1) {
+ var mod = (!test && ( (bits >> i) & 1) == 1);
+ if (i < 8) {
+ _modules[8][_moduleCount - i - 1] = mod;
+ } else if (i < 9) {
+ _modules[8][15 - i - 1 + 1] = mod;
+ } else {
+ _modules[8][15 - i - 1] = mod;
+ }
+ }
+ // fixed module
+ _modules[_moduleCount - 8][8] = (!test);
+ };
+ var mapData = function(data, maskPattern) {
+ var inc = -1;
+ var row = _moduleCount - 1;
+ var bitIndex = 7;
+ var byteIndex = 0;
+ var maskFunc = QRUtil.getMaskFunction(maskPattern);
+ for (var col = _moduleCount - 1; col > 0; col -= 2) {
+ if (col == 6) col -= 1;
+ while (true) {
+ for (var c = 0; c < 2; c += 1) {
+ if (_modules[row][col - c] == null) {
+ var dark = false;
+ if (byteIndex < data.length) {
+ dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1);
+ }
+ var mask = maskFunc(row, col - c);
+ if (mask) {
+ dark = !dark;
+ }
+ _modules[row][col - c] = dark;
+ bitIndex -= 1;
+ if (bitIndex == -1) {
+ byteIndex += 1;
+ bitIndex = 7;
+ }
+ }
+ }
+ row += inc;
+ if (row < 0 || _moduleCount <= row) {
+ row -= inc;
+ inc = -inc;
+ break;
+ }
+ }
+ }
+ };
+ var createBytes = function(buffer, rsBlocks) {
+ var offset = 0;
+ var maxDcCount = 0;
+ var maxEcCount = 0;
+ var dcdata = new Array(rsBlocks.length);
+ var ecdata = new Array(rsBlocks.length);
+ for (var r = 0; r < rsBlocks.length; r += 1) {
+ var dcCount = rsBlocks[r].dataCount;
+ var 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 += 1) {
+ dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset];
+ }
+ offset += dcCount;
+ var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
+ var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1);
+ var modPoly = rawPoly.mod(rsPoly);
+ ecdata[r] = new Array(rsPoly.getLength() - 1);
+ for (var i = 0; i < ecdata[r].length; i += 1) {
+ 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 += 1) {
+ totalCodeCount += rsBlocks[i].totalCount;
+ }
+ var data = new Array(totalCodeCount);
+ var index = 0;
+ for (var i = 0; i < maxDcCount; i += 1) {
+ for (var r = 0; r < rsBlocks.length; r += 1) {
+ if (i < dcdata[r].length) {
+ data[index] = dcdata[r][i];
+ index += 1;
+ }
+ }
+ }
+ for (var i = 0; i < maxEcCount; i += 1) {
+ for (var r = 0; r < rsBlocks.length; r += 1) {
+ if (i < ecdata[r].length) {
+ data[index] = ecdata[r][i];
+ index += 1;
+ }
+ }
+ }
+ return data;
+ };
+ var createData = function(typeNumber, errorCorrectLevel, dataList) {
+ var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
+ var buffer = qrBitBuffer();
+ for (var i = 0; i < dataList.length; i += 1) {
+ var data = dataList[i];
+ buffer.put(data.getMode(), 4);
+ buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) );
+ data.write(buffer);
+ }
+ // calc num max data.
+ var totalDataCount = 0;
+ for (var i = 0; i < rsBlocks.length; i += 1) {
+ totalDataCount += rsBlocks[i].dataCount;
+ }
+ if (buffer.getLengthInBits() > totalDataCount * 8) {
+ throw new Error('code length overflow. ('
+ + buffer.getLengthInBits()
+ + '>'
+ + totalDataCount * 8
+ + ')');
+ }
+ // end code
+ if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
+ buffer.put(0, 4);
+ }
+ // padding
+ while (buffer.getLengthInBits() % 8 != 0) {
+ buffer.putBit(false);
+ }
+ // padding
+ while (true) {
+ if (buffer.getLengthInBits() >= totalDataCount * 8) {
+ break;
+ }
+ buffer.put(PAD0, 8);
+ if (buffer.getLengthInBits() >= totalDataCount * 8) {
+ break;
+ }
+ buffer.put(PAD1, 8);
+ }
+ return createBytes(buffer, rsBlocks);
+ };
+ _this.addData = function(data) {
+ var newData = qr8BitByte(data);
+ _dataList.push(newData);
+ _dataCache = null;
+ };
+ _this.isDark = function(row, col) {
+ if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
+ throw new Error(row + ',' + col);
+ }
+ return _modules[row][col];
+ };
+ _this.getModuleCount = function() {
+ return _moduleCount;
+ };
+ _this.make = function() {
+ makeImpl(false, getBestMaskPattern() );
+ };
+ _this.createTableTag = function(cellSize, margin) {
+ cellSize = cellSize || 2;
+ margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
+ var qrHtml = '';
+ qrHtml += '';
+ qrHtml += '';
+ for (var r = 0; r < _this.getModuleCount(); r += 1) {
+ qrHtml += '';
+ for (var c = 0; c < _this.getModuleCount(); c += 1) {
+ qrHtml += ' | ';
+ }
+ qrHtml += '
';
+ }
+ qrHtml += '';
+ qrHtml += '
';
+ return qrHtml;
+ };
+ _this.createImgTag = function(cellSize, margin) {
+ cellSize = cellSize || 2;
+ margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
+ var size = _this.getModuleCount() * cellSize + margin * 2;
+ var min = margin;
+ var max = size - margin;
+ return createImgTag(size, size, function(x, y) {
+ if (min <= x && x < max && min <= y && y < max) {
+ var c = Math.floor( (x - min) / cellSize);
+ var r = Math.floor( (y - min) / cellSize);
+ return _this.isDark(r, c)? 0 : 1;
+ } else {
+ return 1;
+ }
+ } );
+ };
+ return _this;
+ };
+ //---------------------------------------------------------------------
+ // qrcode.stringToBytes
+ //---------------------------------------------------------------------
+ qrcode.stringToBytes = function(s) {
+ var bytes = new Array();
+ for (var i = 0; i < s.length; i += 1) {
+ var c = s.charCodeAt(i);
+ bytes.push(c & 0xff);
+ }
+ return bytes;
+ };
+ //---------------------------------------------------------------------
+ // qrcode.createStringToBytes
+ //---------------------------------------------------------------------
+ /**
+ * @param unicodeData base64 string of byte array.
+ * [16bit Unicode],[16bit Bytes], ...
+ * @param numChars
+ */
+ qrcode.createStringToBytes = function(unicodeData, numChars) {
+ // create conversion map.
+ var unicodeMap = function() {
+ var bin = base64DecodeInputStream(unicodeData);
+ var read = function() {
+ var b = bin.read();
+ if (b == -1) throw new Error();
+ return b;
+ };
+ var count = 0;
+ var unicodeMap = {};
+ while (true) {
+ var b0 = bin.read();
+ if (b0 == -1) break;
+ var b1 = read();
+ var b2 = read();
+ var b3 = read();
+ var k = String.fromCharCode( (b0 << 8) | b1);
+ var v = (b2 << 8) | b3;
+ unicodeMap[k] = v;
+ count += 1;
+ }
+ if (count != numChars) {
+ throw new Error(count + ' != ' + numChars);
+ }
+ return unicodeMap;
+ }();
+ var unknownChar = '?'.charCodeAt(0);
+ return function(s) {
+ var bytes = new Array();
+ for (var i = 0; i < s.length; i += 1) {
+ var c = s.charCodeAt(i);
+ if (c < 128) {
+ bytes.push(c);
+ } else {
+ var b = unicodeMap[s.charAt(i)];
+ if (typeof b == 'number') {
+ if ( (b & 0xff) == b) {
+ // 1byte
+ bytes.push(b);
+ } else {
+ // 2bytes
+ bytes.push(b >>> 8);
+ bytes.push(b & 0xff);
+ }
+ } else {
+ bytes.push(unknownChar);
+ }
+ }
+ }
+ return bytes;
+ };
+ };
+ //---------------------------------------------------------------------
+ // QRMode
+ //---------------------------------------------------------------------
+ var QRMode = {
+ MODE_NUMBER : 1 << 0,
+ MODE_ALPHA_NUM : 1 << 1,
+ MODE_8BIT_BYTE : 1 << 2,
+ MODE_KANJI : 1 << 3
+ };
+ //---------------------------------------------------------------------
+ // QRErrorCorrectLevel
+ //---------------------------------------------------------------------
+ var QRErrorCorrectLevel = {
+ L : 1,
+ M : 0,
+ Q : 3,
+ H : 2
+ };
+ //---------------------------------------------------------------------
+ // QRMaskPattern
+ //---------------------------------------------------------------------
+ var QRMaskPattern = {
+ PATTERN000 : 0,
+ PATTERN001 : 1,
+ PATTERN010 : 2,
+ PATTERN011 : 3,
+ PATTERN100 : 4,
+ PATTERN101 : 5,
+ PATTERN110 : 6,
+ PATTERN111 : 7
+ };
+ //---------------------------------------------------------------------
+ // QRUtil
+ //---------------------------------------------------------------------
+ var QRUtil = function() {
+ var 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]
+ ];
+ var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0);
+ var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0);
+ var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1);
+ var _this = {};
+ var getBCHDigit = function(data) {
+ var digit = 0;
+ while (data != 0) {
+ digit += 1;
+ data >>>= 1;
+ }
+ return digit;
+ };
+ _this.getBCHTypeInfo = function(data) {
+ var d = data << 10;
+ while (getBCHDigit(d) - getBCHDigit(G15) >= 0) {
+ d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) );
+ }
+ return ( (data << 10) | d) ^ G15_MASK;
+ };
+ _this.getBCHTypeNumber = function(data) {
+ var d = data << 12;
+ while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
+ d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) );
+ }
+ return (data << 12) | d;
+ };
+ _this.getPatternPosition = function(typeNumber) {
+ return PATTERN_POSITION_TABLE[typeNumber - 1];
+ };
+ _this.getMaskFunction = function(maskPattern) {
+ switch (maskPattern) {
+ case QRMaskPattern.PATTERN000 :
+ return function(i, j) { return (i + j) % 2 == 0; };
+ case QRMaskPattern.PATTERN001 :
+ return function(i, j) { return i % 2 == 0; };
+ case QRMaskPattern.PATTERN010 :
+ return function(i, j) { return j % 3 == 0; };
+ case QRMaskPattern.PATTERN011 :
+ return function(i, j) { return (i + j) % 3 == 0; };
+ case QRMaskPattern.PATTERN100 :
+ return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; };
+ case QRMaskPattern.PATTERN101 :
+ return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; };
+ case QRMaskPattern.PATTERN110 :
+ return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; };
+ case QRMaskPattern.PATTERN111 :
+ return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; };
+ default :
+ throw new Error('bad maskPattern:' + maskPattern);
+ }
+ };
+ _this.getErrorCorrectPolynomial = function(errorCorrectLength) {
+ var a = qrPolynomial([1], 0);
+ for (var i = 0; i < errorCorrectLength; i += 1) {
+ a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) );
+ }
+ return a;
+ };
+ _this.getLengthInBits = function(mode, type) {
+ if (1 <= type && type < 10) {
+ // 1 - 9
+ 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) {
+ // 10 - 26
+ 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) {
+ // 27 - 40
+ 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);
+ }
+ } else {
+ throw new Error('type:' + type);
+ }
+ };
+ _this.getLostPoint = function(qrcode) {
+ var moduleCount = qrcode.getModuleCount();
+ var lostPoint = 0;
+ // LEVEL1
+ for (var row = 0; row < moduleCount; row += 1) {
+ for (var col = 0; col < moduleCount; col += 1) {
+ var sameCount = 0;
+ var dark = qrcode.isDark(row, col);
+ for (var r = -1; r <= 1; r += 1) {
+ if (row + r < 0 || moduleCount <= row + r) {
+ continue;
+ }
+ for (var c = -1; c <= 1; c += 1) {
+ if (col + c < 0 || moduleCount <= col + c) {
+ continue;
+ }
+ if (r == 0 && c == 0) {
+ continue;
+ }
+ if (dark == qrcode.isDark(row + r, col + c) ) {
+ sameCount += 1;
+ }
+ }
+ }
+ if (sameCount > 5) {
+ lostPoint += (3 + sameCount - 5);
+ }
+ }
+ };
+ // LEVEL2
+ for (var row = 0; row < moduleCount - 1; row += 1) {
+ for (var col = 0; col < moduleCount - 1; col += 1) {
+ var count = 0;
+ if (qrcode.isDark(row, col) ) count += 1;
+ if (qrcode.isDark(row + 1, col) ) count += 1;
+ if (qrcode.isDark(row, col + 1) ) count += 1;
+ if (qrcode.isDark(row + 1, col + 1) ) count += 1;
+ if (count == 0 || count == 4) {
+ lostPoint += 3;
+ }
+ }
+ }
+ // LEVEL3
+ for (var row = 0; row < moduleCount; row += 1) {
+ for (var col = 0; col < moduleCount - 6; col += 1) {
+ if (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 += 1) {
+ for (var row = 0; row < moduleCount - 6; row += 1) {
+ if (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;
+ }
+ }
+ }
+ // LEVEL4
+ var darkCount = 0;
+ for (var col = 0; col < moduleCount; col += 1) {
+ for (var row = 0; row < moduleCount; row += 1) {
+ if (qrcode.isDark(row, col) ) {
+ darkCount += 1;
+ }
+ }
+ }
+ var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
+ lostPoint += ratio * 10;
+ return lostPoint;
+ };
+ return _this;
+ }();
+ //---------------------------------------------------------------------
+ // QRMath
+ //---------------------------------------------------------------------
+ var QRMath = function() {
+ var EXP_TABLE = new Array(256);
+ var LOG_TABLE = new Array(256);
+ // initialize tables
+ for (var i = 0; i < 8; i += 1) {
+ EXP_TABLE[i] = 1 << i;
+ }
+ for (var i = 8; i < 256; i += 1) {
+ EXP_TABLE[i] = EXP_TABLE[i - 4]
+ ^ EXP_TABLE[i - 5]
+ ^ EXP_TABLE[i - 6]
+ ^ EXP_TABLE[i - 8];
+ }
+ for (var i = 0; i < 255; i += 1) {
+ LOG_TABLE[EXP_TABLE[i] ] = i;
+ }
+ var _this = {};
+ _this.glog = function(n) {
+ if (n < 1) {
+ throw new Error('glog(' + n + ')');
+ }
+ return LOG_TABLE[n];
+ };
+ _this.gexp = function(n) {
+ while (n < 0) {
+ n += 255;
+ }
+ while (n >= 256) {
+ n -= 255;
+ }
+ return EXP_TABLE[n];
+ };
+ return _this;
+ }();
+ //---------------------------------------------------------------------
+ // qrPolynomial
+ //---------------------------------------------------------------------
+ function qrPolynomial(num, shift) {
+ if (typeof num.length == 'undefined') {
+ throw new Error(num.length + '/' + shift);
+ }
+ var _num = function() {
+ var offset = 0;
+ while (offset < num.length && num[offset] == 0) {
+ offset += 1;
+ }
+ var _num = new Array(num.length - offset + shift);
+ for (var i = 0; i < num.length - offset; i += 1) {
+ _num[i] = num[i + offset];
+ }
+ return _num;
+ }();
+ var _this = {};
+ _this.get = function(index) {
+ return _num[index];
+ };
+ _this.getLength = function() {
+ return _num.length;
+ };
+ _this.multiply = function(e) {
+ var num = new Array(_this.getLength() + e.getLength() - 1);
+ for (var i = 0; i < _this.getLength(); i += 1) {
+ for (var j = 0; j < e.getLength(); j += 1) {
+ num[i + j] ^= QRMath.gexp(QRMath.glog(_this.get(i) ) + QRMath.glog(e.get(j) ) );
+ }
+ }
+ return qrPolynomial(num, 0);
+ };
+ _this.mod = function(e) {
+ if (_this.getLength() - e.getLength() < 0) {
+ return _this;
+ }
+ var ratio = QRMath.glog(_this.get(0) ) - QRMath.glog(e.get(0) );
+ var num = new Array(_this.getLength() );
+ for (var i = 0; i < _this.getLength(); i += 1) {
+ num[i] = _this.get(i);
+ }
+ for (var i = 0; i < e.getLength(); i += 1) {
+ num[i] ^= QRMath.gexp(QRMath.glog(e.get(i) ) + ratio);
+ }
+ // recursive call
+ return qrPolynomial(num, 0).mod(e);
+ };
+ return _this;
+ };
+ //---------------------------------------------------------------------
+ // QRRSBlock
+ //---------------------------------------------------------------------
+ var QRRSBlock = function() {
+ var RS_BLOCK_TABLE = [
+ // L
+ // M
+ // Q
+ // H
+ // 1
+ [1, 26, 19],
+ [1, 26, 16],
+ [1, 26, 13],
+ [1, 26, 9],
+ // 2
+ [1, 44, 34],
+ [1, 44, 28],
+ [1, 44, 22],
+ [1, 44, 16],
+ // 3
+ [1, 70, 55],
+ [1, 70, 44],
+ [2, 35, 17],
+ [2, 35, 13],
+ // 4
+ [1, 100, 80],
+ [2, 50, 32],
+ [2, 50, 24],
+ [4, 25, 9],
+ // 5
+ [1, 134, 108],
+ [2, 67, 43],
+ [2, 33, 15, 2, 34, 16],
+ [2, 33, 11, 2, 34, 12],
+ // 6
+ [2, 86, 68],
+ [4, 43, 27],
+ [4, 43, 19],
+ [4, 43, 15],
+ // 7
+ [2, 98, 78],
+ [4, 49, 31],
+ [2, 32, 14, 4, 33, 15],
+ [4, 39, 13, 1, 40, 14],
+ // 8
+ [2, 121, 97],
+ [2, 60, 38, 2, 61, 39],
+ [4, 40, 18, 2, 41, 19],
+ [4, 40, 14, 2, 41, 15],
+ // 9
+ [2, 146, 116],
+ [3, 58, 36, 2, 59, 37],
+ [4, 36, 16, 4, 37, 17],
+ [4, 36, 12, 4, 37, 13],
+ // 10
+ [2, 86, 68, 2, 87, 69],
+ [4, 69, 43, 1, 70, 44],
+ [6, 43, 19, 2, 44, 20],
+ [6, 43, 15, 2, 44, 16],
+ // 11
+ [4, 101, 81],
+ [1, 80, 50, 4, 81, 51],
+ [4, 50, 22, 4, 51, 23],
+ [3, 36, 12, 8, 37, 13],
+ // 12
+ [2, 116, 92, 2, 117, 93],
+ [6, 58, 36, 2, 59, 37],
+ [4, 46, 20, 6, 47, 21],
+ [7, 42, 14, 4, 43, 15],
+ // 13
+ [4, 133, 107],
+ [8, 59, 37, 1, 60, 38],
+ [8, 44, 20, 4, 45, 21],
+ [12, 33, 11, 4, 34, 12],
+ // 14
+ [3, 145, 115, 1, 146, 116],
+ [4, 64, 40, 5, 65, 41],
+ [11, 36, 16, 5, 37, 17],
+ [11, 36, 12, 5, 37, 13],
+ // 15
+ [5, 109, 87, 1, 110, 88],
+ [5, 65, 41, 5, 66, 42],
+ [5, 54, 24, 7, 55, 25],
+ [11, 36, 12],
+ // 16
+ [5, 122, 98, 1, 123, 99],
+ [7, 73, 45, 3, 74, 46],
+ [15, 43, 19, 2, 44, 20],
+ [3, 45, 15, 13, 46, 16],
+ // 17
+ [1, 135, 107, 5, 136, 108],
+ [10, 74, 46, 1, 75, 47],
+ [1, 50, 22, 15, 51, 23],
+ [2, 42, 14, 17, 43, 15],
+ // 18
+ [5, 150, 120, 1, 151, 121],
+ [9, 69, 43, 4, 70, 44],
+ [17, 50, 22, 1, 51, 23],
+ [2, 42, 14, 19, 43, 15],
+ // 19
+ [3, 141, 113, 4, 142, 114],
+ [3, 70, 44, 11, 71, 45],
+ [17, 47, 21, 4, 48, 22],
+ [9, 39, 13, 16, 40, 14],
+ // 20
+ [3, 135, 107, 5, 136, 108],
+ [3, 67, 41, 13, 68, 42],
+ [15, 54, 24, 5, 55, 25],
+ [15, 43, 15, 10, 44, 16],
+ // 21
+ [4, 144, 116, 4, 145, 117],
+ [17, 68, 42],
+ [17, 50, 22, 6, 51, 23],
+ [19, 46, 16, 6, 47, 17],
+ // 22
+ [2, 139, 111, 7, 140, 112],
+ [17, 74, 46],
+ [7, 54, 24, 16, 55, 25],
+ [34, 37, 13],
+ // 23
+ [4, 151, 121, 5, 152, 122],
+ [4, 75, 47, 14, 76, 48],
+ [11, 54, 24, 14, 55, 25],
+ [16, 45, 15, 14, 46, 16],
+ // 24
+ [6, 147, 117, 4, 148, 118],
+ [6, 73, 45, 14, 74, 46],
+ [11, 54, 24, 16, 55, 25],
+ [30, 46, 16, 2, 47, 17],
+ // 25
+ [8, 132, 106, 4, 133, 107],
+ [8, 75, 47, 13, 76, 48],
+ [7, 54, 24, 22, 55, 25],
+ [22, 45, 15, 13, 46, 16],
+ // 26
+ [10, 142, 114, 2, 143, 115],
+ [19, 74, 46, 4, 75, 47],
+ [28, 50, 22, 6, 51, 23],
+ [33, 46, 16, 4, 47, 17],
+ // 27
+ [8, 152, 122, 4, 153, 123],
+ [22, 73, 45, 3, 74, 46],
+ [8, 53, 23, 26, 54, 24],
+ [12, 45, 15, 28, 46, 16],
+ // 28
+ [3, 147, 117, 10, 148, 118],
+ [3, 73, 45, 23, 74, 46],
+ [4, 54, 24, 31, 55, 25],
+ [11, 45, 15, 31, 46, 16],
+ // 29
+ [7, 146, 116, 7, 147, 117],
+ [21, 73, 45, 7, 74, 46],
+ [1, 53, 23, 37, 54, 24],
+ [19, 45, 15, 26, 46, 16],
+ // 30
+ [5, 145, 115, 10, 146, 116],
+ [19, 75, 47, 10, 76, 48],
+ [15, 54, 24, 25, 55, 25],
+ [23, 45, 15, 25, 46, 16],
+ // 31
+ [13, 145, 115, 3, 146, 116],
+ [2, 74, 46, 29, 75, 47],
+ [42, 54, 24, 1, 55, 25],
+ [23, 45, 15, 28, 46, 16],
+ // 32
+ [17, 145, 115],
+ [10, 74, 46, 23, 75, 47],
+ [10, 54, 24, 35, 55, 25],
+ [19, 45, 15, 35, 46, 16],
+ // 33
+ [17, 145, 115, 1, 146, 116],
+ [14, 74, 46, 21, 75, 47],
+ [29, 54, 24, 19, 55, 25],
+ [11, 45, 15, 46, 46, 16],
+ // 34
+ [13, 145, 115, 6, 146, 116],
+ [14, 74, 46, 23, 75, 47],
+ [44, 54, 24, 7, 55, 25],
+ [59, 46, 16, 1, 47, 17],
+ // 35
+ [12, 151, 121, 7, 152, 122],
+ [12, 75, 47, 26, 76, 48],
+ [39, 54, 24, 14, 55, 25],
+ [22, 45, 15, 41, 46, 16],
+ // 36
+ [6, 151, 121, 14, 152, 122],
+ [6, 75, 47, 34, 76, 48],
+ [46, 54, 24, 10, 55, 25],
+ [2, 45, 15, 64, 46, 16],
+ // 37
+ [17, 152, 122, 4, 153, 123],
+ [29, 74, 46, 14, 75, 47],
+ [49, 54, 24, 10, 55, 25],
+ [24, 45, 15, 46, 46, 16],
+ // 38
+ [4, 152, 122, 18, 153, 123],
+ [13, 74, 46, 32, 75, 47],
+ [48, 54, 24, 14, 55, 25],
+ [42, 45, 15, 32, 46, 16],
+ // 39
+ [20, 147, 117, 4, 148, 118],
+ [40, 75, 47, 7, 76, 48],
+ [43, 54, 24, 22, 55, 25],
+ [10, 45, 15, 67, 46, 16],
+ // 40
+ [19, 148, 118, 6, 149, 119],
+ [18, 75, 47, 31, 76, 48],
+ [34, 54, 24, 34, 55, 25],
+ [20, 45, 15, 61, 46, 16]
+ ];
+ var qrRSBlock = function(totalCount, dataCount) {
+ var _this = {};
+ _this.totalCount = totalCount;
+ _this.dataCount = dataCount;
+ return _this;
+ };
+ var _this = {};
+ var getRsBlockTable = function(typeNumber, errorCorrectLevel) {
+ switch(errorCorrectLevel) {
+ case QRErrorCorrectLevel.L :
+ return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
+ case QRErrorCorrectLevel.M :
+ return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
+ case QRErrorCorrectLevel.Q :
+ return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
+ case QRErrorCorrectLevel.H :
+ return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
+ default :
+ return undefined;
+ }
+ };
+ _this.getRSBlocks = function(typeNumber, errorCorrectLevel) {
+ var rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel);
+ if (typeof rsBlock == 'undefined') {
+ throw new Error('bad rs block @ typeNumber:' + typeNumber +
+ '/errorCorrectLevel:' + errorCorrectLevel);
+ }
+ var length = rsBlock.length / 3;
+ var list = new Array();
+ for (var i = 0; i < length; i += 1) {
+ var count = rsBlock[i * 3 + 0];
+ var totalCount = rsBlock[i * 3 + 1];
+ var dataCount = rsBlock[i * 3 + 2];
+ for (var j = 0; j < count; j += 1) {
+ list.push(qrRSBlock(totalCount, dataCount) );
+ }
+ }
+ return list;
+ };
+ return _this;
+ }();
+ //---------------------------------------------------------------------
+ // qrBitBuffer
+ //---------------------------------------------------------------------
+ var qrBitBuffer = function() {
+ var _buffer = new Array();
+ var _length = 0;
+ var _this = {};
+ _this.getBuffer = function() {
+ return _buffer;
+ };
+ _this.get = function(index) {
+ var bufIndex = Math.floor(index / 8);
+ return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1;
+ };
+ _this.put = function(num, length) {
+ for (var i = 0; i < length; i += 1) {
+ _this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1);
+ }
+ };
+ _this.getLengthInBits = function() {
+ return _length;
+ };
+ _this.putBit = function(bit) {
+ var bufIndex = Math.floor(_length / 8);
+ if (_buffer.length <= bufIndex) {
+ _buffer.push(0);
+ }
+ if (bit) {
+ _buffer[bufIndex] |= (0x80 >>> (_length % 8) );
+ }
+ _length += 1;
+ };
+ return _this;
+ };
+ //---------------------------------------------------------------------
+ // qr8BitByte
+ //---------------------------------------------------------------------
+ var qr8BitByte = function(data) {
+ var _mode = QRMode.MODE_8BIT_BYTE;
+ var _data = data;
+ var _bytes = qrcode.stringToBytes(data);
+ var _this = {};
+ _this.getMode = function() {
+ return _mode;
+ };
+ _this.getLength = function(buffer) {
+ return _bytes.length;
+ };
+ _this.write = function(buffer) {
+ for (var i = 0; i < _bytes.length; i += 1) {
+ buffer.put(_bytes[i], 8);
+ }
+ };
+ return _this;
+ };
+ //=====================================================================
+ // GIF Support etc.
+ //
+ //---------------------------------------------------------------------
+ // byteArrayOutputStream
+ //---------------------------------------------------------------------
+ var byteArrayOutputStream = function() {
+ var _bytes = new Array();
+ var _this = {};
+ _this.writeByte = function(b) {
+ _bytes.push(b & 0xff);
+ };
+ _this.writeShort = function(i) {
+ _this.writeByte(i);
+ _this.writeByte(i >>> 8);
+ };
+ _this.writeBytes = function(b, off, len) {
+ off = off || 0;
+ len = len || b.length;
+ for (var i = 0; i < len; i += 1) {
+ _this.writeByte(b[i + off]);
+ }
+ };
+ _this.writeString = function(s) {
+ for (var i = 0; i < s.length; i += 1) {
+ _this.writeByte(s.charCodeAt(i) );
+ }
+ };
+ _this.toByteArray = function() {
+ return _bytes;
+ };
+ _this.toString = function() {
+ var s = '';
+ s += '[';
+ for (var i = 0; i < _bytes.length; i += 1) {
+ if (i > 0) {
+ s += ',';
+ }
+ s += _bytes[i];
+ }
+ s += ']';
+ return s;
+ };
+ return _this;
+ };
+ //---------------------------------------------------------------------
+ // base64EncodeOutputStream
+ //---------------------------------------------------------------------
+ var base64EncodeOutputStream = function() {
+ var _buffer = 0;
+ var _buflen = 0;
+ var _length = 0;
+ var _base64 = '';
+ var _this = {};
+ var writeEncoded = function(b) {
+ _base64 += String.fromCharCode(encode(b & 0x3f) );
+ };
+ var encode = function(n) {
+ if (n < 0) {
+ // error.
+ } else if (n < 26) {
+ return 0x41 + n;
+ } else if (n < 52) {
+ return 0x61 + (n - 26);
+ } else if (n < 62) {
+ return 0x30 + (n - 52);
+ } else if (n == 62) {
+ return 0x2b;
+ } else if (n == 63) {
+ return 0x2f;
+ }
+ throw new Error('n:' + n);
+ };
+ _this.writeByte = function(n) {
+ _buffer = (_buffer << 8) | (n & 0xff);
+ _buflen += 8;
+ _length += 1;
+ while (_buflen >= 6) {
+ writeEncoded(_buffer >>> (_buflen - 6) );
+ _buflen -= 6;
+ }
+ };
+ _this.flush = function() {
+ if (_buflen > 0) {
+ writeEncoded(_buffer << (6 - _buflen) );
+ _buffer = 0;
+ _buflen = 0;
+ }
+ if (_length % 3 != 0) {
+ // padding
+ var padlen = 3 - _length % 3;
+ for (var i = 0; i < padlen; i += 1) {
+ _base64 += '=';
+ }
+ }
+ };
+ _this.toString = function() {
+ return _base64;
+ };
+ return _this;
+ };
+ //---------------------------------------------------------------------
+ // base64DecodeInputStream
+ //---------------------------------------------------------------------
+ var base64DecodeInputStream = function(str) {
+ var _str = str;
+ var _pos = 0;
+ var _buffer = 0;
+ var _buflen = 0;
+ var _this = {};
+ _this.read = function() {
+ while (_buflen < 8) {
+ if (_pos >= _str.length) {
+ if (_buflen == 0) {
+ return -1;
+ }
+ throw new Error('unexpected end of file./' + _buflen);
+ }
+ var c = _str.charAt(_pos);
+ _pos += 1;
+ if (c == '=') {
+ _buflen = 0;
+ return -1;
+ } else if (c.match(/^\s$/) ) {
+ // ignore if whitespace.
+ continue;
+ }
+ _buffer = (_buffer << 6) | decode(c.charCodeAt(0) );
+ _buflen += 6;
+ }
+ var n = (_buffer >>> (_buflen - 8) ) & 0xff;
+ _buflen -= 8;
+ return n;
+ };
+ var decode = function(c) {
+ if (0x41 <= c && c <= 0x5a) {
+ return c - 0x41;
+ } else if (0x61 <= c && c <= 0x7a) {
+ return c - 0x61 + 26;
+ } else if (0x30 <= c && c <= 0x39) {
+ return c - 0x30 + 52;
+ } else if (c == 0x2b) {
+ return 62;
+ } else if (c == 0x2f) {
+ return 63;
+ } else {
+ throw new Error('c:' + c);
+ }
+ };
+ return _this;
+ };
+ //---------------------------------------------------------------------
+ // gifImage (B/W)
+ //---------------------------------------------------------------------
+ var gifImage = function(width, height) {
+ var _width = width;
+ var _height = height;
+ var _data = new Array(width * height);
+ var _this = {};
+ _this.setPixel = function(x, y, pixel) {
+ _data[y * _width + x] = pixel;
+ };
+ _this.write = function(out) {
+ //---------------------------------
+ // GIF Signature
+ out.writeString('GIF87a');
+ //---------------------------------
+ // Screen Descriptor
+ out.writeShort(_width);
+ out.writeShort(_height);
+ out.writeByte(0x80); // 2bit
+ out.writeByte(0);
+ out.writeByte(0);
+ //---------------------------------
+ // Global Color Map
+ // black
+ out.writeByte(0x00);
+ out.writeByte(0x00);
+ out.writeByte(0x00);
+ // white
+ out.writeByte(0xff);
+ out.writeByte(0xff);
+ out.writeByte(0xff);
+ //---------------------------------
+ // Image Descriptor
+ out.writeString(',');
+ out.writeShort(0);
+ out.writeShort(0);
+ out.writeShort(_width);
+ out.writeShort(_height);
+ out.writeByte(0);
+ //---------------------------------
+ // Local Color Map
+ //---------------------------------
+ // Raster Data
+ var lzwMinCodeSize = 2;
+ var raster = getLZWRaster(lzwMinCodeSize);
+ out.writeByte(lzwMinCodeSize);
+ var offset = 0;
+ while (raster.length - offset > 255) {
+ out.writeByte(255);
+ out.writeBytes(raster, offset, 255);
+ offset += 255;
+ }
+ out.writeByte(raster.length - offset);
+ out.writeBytes(raster, offset, raster.length - offset);
+ out.writeByte(0x00);
+ //---------------------------------
+ // GIF Terminator
+ out.writeString(';');
+ };
+ var bitOutputStream = function(out) {
+ var _out = out;
+ var _bitLength = 0;
+ var _bitBuffer = 0;
+ var _this = {};
+ _this.write = function(data, length) {
+ if ( (data >>> length) != 0) {
+ throw new Error('length over');
+ }
+ while (_bitLength + length >= 8) {
+ _out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) );
+ length -= (8 - _bitLength);
+ data >>>= (8 - _bitLength);
+ _bitBuffer = 0;
+ _bitLength = 0;
+ }
+ _bitBuffer = (data << _bitLength) | _bitBuffer;
+ _bitLength = _bitLength + length;
+ };
+ _this.flush = function() {
+ if (_bitLength > 0) {
+ _out.writeByte(_bitBuffer);
+ }
+ };
+ return _this;
+ };
+ var getLZWRaster = function(lzwMinCodeSize) {
+ var clearCode = 1 << lzwMinCodeSize;
+ var endCode = (1 << lzwMinCodeSize) + 1;
+ var bitLength = lzwMinCodeSize + 1;
+ // Setup LZWTable
+ var table = lzwTable();
+ for (var i = 0; i < clearCode; i += 1) {
+ table.add(String.fromCharCode(i) );
+ }
+ table.add(String.fromCharCode(clearCode) );
+ table.add(String.fromCharCode(endCode) );
+ var byteOut = byteArrayOutputStream();
+ var bitOut = bitOutputStream(byteOut);
+ // clear code
+ bitOut.write(clearCode, bitLength);
+ var dataIndex = 0;
+ var s = String.fromCharCode(_data[dataIndex]);
+ dataIndex += 1;
+ while (dataIndex < _data.length) {
+ var c = String.fromCharCode(_data[dataIndex]);
+ dataIndex += 1;
+ if (table.contains(s + c) ) {
+ s = s + c;
+ } else {
+ bitOut.write(table.indexOf(s), bitLength);
+ if (table.size() < 0xfff) {
+ if (table.size() == (1 << bitLength) ) {
+ bitLength += 1;
+ }
+ table.add(s + c);
+ }
+ s = c;
+ }
+ }
+ bitOut.write(table.indexOf(s), bitLength);
+ // end code
+ bitOut.write(endCode, bitLength);
+ bitOut.flush();
+ return byteOut.toByteArray();
+ };
+ var lzwTable = function() {
+ var _map = {};
+ var _size = 0;
+ var _this = {};
+ _this.add = function(key) {
+ if (_this.contains(key) ) {
+ throw new Error('dup key:' + key);
+ }
+ _map[key] = _size;
+ _size += 1;
+ };
+ _this.size = function() {
+ return _size;
+ };
+ _this.indexOf = function(key) {
+ return _map[key];
+ };
+ _this.contains = function(key) {
+ return typeof _map[key] != 'undefined';
+ };
+ return _this;
+ };
+ return _this;
+ };
+ var createImgTag = function(width, height, getPixel, alt) {
+ var gif = gifImage(width, height);
+ for (var y = 0; y < height; y += 1) {
+ for (var x = 0; x < width; x += 1) {
+ gif.setPixel(x, y, getPixel(x, y) );
+ }
+ }
+ var b = byteArrayOutputStream();
+ gif.write(b);
+ var base64 = base64EncodeOutputStream();
+ var bytes = b.toByteArray();
+ for (var i = 0; i < bytes.length; i += 1) {
+ base64.writeByte(bytes[i]);
+ }
+ base64.flush();
+ var img = '';
+ img += '
';
+ return img;
+ };
+ //---------------------------------------------------------------------
+ // returns qrcode function.
+ return qrcode;
+ }();
}(jQuery));