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//--------------------------------------------------------------------- |
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// |
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// QR Code Generator for JavaScript |
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// |
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// Copyright (c) 2009 Kazuhiko Arase |
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// |
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// URL: http://www.d-project.com/ |
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// |
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// Licensed under the MIT license: |
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// http://www.opensource.org/licenses/mit-license.php |
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// |
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// The word 'QR Code' is registered trademark of |
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// DENSO WAVE INCORPORATED |
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// http://www.denso-wave.com/qrcode/faqpatent-e.html |
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// |
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//--------------------------------------------------------------------- |
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var qrcode = function() { |
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//--------------------------------------------------------------------- |
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// qrcode |
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//--------------------------------------------------------------------- |
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/** |
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* qrcode |
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* @param typeNumber 1 to 40 |
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* @param errorCorrectionLevel 'L','M','Q','H' |
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*/ |
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var qrcode = function(typeNumber, errorCorrectionLevel) { |
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var PAD0 = 0xEC; |
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var PAD1 = 0x11; |
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var _typeNumber = typeNumber; |
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var _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel]; |
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var _modules = null; |
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var _moduleCount = 0; |
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var _dataCache = null; |
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var _dataList = []; |
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var _this = {}; |
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var makeImpl = function(test, maskPattern) { |
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_moduleCount = _typeNumber * 4 + 17; |
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_modules = function(moduleCount) { |
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var modules = new Array(moduleCount); |
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for (var row = 0; row < moduleCount; row += 1) { |
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modules[row] = new Array(moduleCount); |
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for (var col = 0; col < moduleCount; col += 1) { |
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modules[row][col] = null; |
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} |
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} |
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return modules; |
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}(_moduleCount); |
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setupPositionProbePattern(0, 0); |
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setupPositionProbePattern(_moduleCount - 7, 0); |
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setupPositionProbePattern(0, _moduleCount - 7); |
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setupPositionAdjustPattern(); |
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setupTimingPattern(); |
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setupTypeInfo(test, maskPattern); |
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if (_typeNumber >= 7) { |
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setupTypeNumber(test); |
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} |
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if (_dataCache == null) { |
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_dataCache = createData(_typeNumber, _errorCorrectionLevel, _dataList); |
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} |
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mapData(_dataCache, maskPattern); |
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}; |
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var setupPositionProbePattern = function(row, col) { |
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for (var r = -1; r <= 7; r += 1) { |
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if (row + r <= -1 || _moduleCount <= row + r) continue; |
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for (var c = -1; c <= 7; c += 1) { |
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if (col + c <= -1 || _moduleCount <= col + c) continue; |
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if ( (0 <= r && r <= 6 && (c == 0 || c == 6) ) |
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|| (0 <= c && c <= 6 && (r == 0 || r == 6) ) |
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|| (2 <= r && r <= 4 && 2 <= c && c <= 4) ) { |
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_modules[row + r][col + c] = true; |
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} else { |
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_modules[row + r][col + c] = false; |
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} |
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} |
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} |
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}; |
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var getBestMaskPattern = function() { |
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var minLostPoint = 0; |
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var pattern = 0; |
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for (var i = 0; i < 8; i += 1) { |
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makeImpl(true, i); |
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var lostPoint = QRUtil.getLostPoint(_this); |
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if (i == 0 || minLostPoint > lostPoint) { |
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minLostPoint = lostPoint; |
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pattern = i; |
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} |
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} |
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return pattern; |
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}; |
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var setupTimingPattern = function() { |
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for (var r = 8; r < _moduleCount - 8; r += 1) { |
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if (_modules[r][6] != null) { |
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continue; |
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} |
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_modules[r][6] = (r % 2 == 0); |
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} |
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for (var c = 8; c < _moduleCount - 8; c += 1) { |
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if (_modules[6][c] != null) { |
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continue; |
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} |
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_modules[6][c] = (c % 2 == 0); |
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} |
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}; |
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var setupPositionAdjustPattern = function() { |
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var pos = QRUtil.getPatternPosition(_typeNumber); |
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for (var i = 0; i < pos.length; i += 1) { |
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for (var j = 0; j < pos.length; j += 1) { |
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var row = pos[i]; |
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var col = pos[j]; |
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if (_modules[row][col] != null) { |
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continue; |
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} |
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for (var r = -2; r <= 2; r += 1) { |
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for (var c = -2; c <= 2; c += 1) { |
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if (r == -2 || r == 2 || c == -2 || c == 2 |
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|| (r == 0 && c == 0) ) { |
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_modules[row + r][col + c] = true; |
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} else { |
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_modules[row + r][col + c] = false; |
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} |
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} |
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} |
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} |
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} |
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}; |
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var setupTypeNumber = function(test) { |
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var bits = QRUtil.getBCHTypeNumber(_typeNumber); |
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for (var i = 0; i < 18; i += 1) { |
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var mod = (!test && ( (bits >> i) & 1) == 1); |
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_modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod; |
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} |
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for (var i = 0; i < 18; i += 1) { |
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var mod = (!test && ( (bits >> i) & 1) == 1); |
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_modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod; |
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} |
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}; |
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var setupTypeInfo = function(test, maskPattern) { |
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var data = (_errorCorrectionLevel << 3) | maskPattern; |
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var bits = QRUtil.getBCHTypeInfo(data); |
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// vertical |
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for (var i = 0; i < 15; i += 1) { |
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var mod = (!test && ( (bits >> i) & 1) == 1); |
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if (i < 6) { |
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_modules[i][8] = mod; |
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} else if (i < 8) { |
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_modules[i + 1][8] = mod; |
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} else { |
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_modules[_moduleCount - 15 + i][8] = mod; |
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} |
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} |
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// horizontal |
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for (var i = 0; i < 15; i += 1) { |
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var mod = (!test && ( (bits >> i) & 1) == 1); |
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if (i < 8) { |
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_modules[8][_moduleCount - i - 1] = mod; |
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} else if (i < 9) { |
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_modules[8][15 - i - 1 + 1] = mod; |
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} else { |
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_modules[8][15 - i - 1] = mod; |
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} |
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} |
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// fixed module |
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_modules[_moduleCount - 8][8] = (!test); |
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}; |
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var mapData = function(data, maskPattern) { |
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var inc = -1; |
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var row = _moduleCount - 1; |
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var bitIndex = 7; |
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var byteIndex = 0; |
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var maskFunc = QRUtil.getMaskFunction(maskPattern); |
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for (var col = _moduleCount - 1; col > 0; col -= 2) { |
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if (col == 6) col -= 1; |
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while (true) { |
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for (var c = 0; c < 2; c += 1) { |
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if (_modules[row][col - c] == null) { |
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var dark = false; |
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if (byteIndex < data.length) { |
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dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1); |
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} |
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var mask = maskFunc(row, col - c); |
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if (mask) { |
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dark = !dark; |
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} |
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_modules[row][col - c] = dark; |
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bitIndex -= 1; |
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if (bitIndex == -1) { |
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byteIndex += 1; |
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bitIndex = 7; |
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} |
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} |
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} |
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row += inc; |
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if (row < 0 || _moduleCount <= row) { |
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row -= inc; |
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inc = -inc; |
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break; |
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} |
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} |
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} |
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}; |
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var createBytes = function(buffer, rsBlocks) { |
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var offset = 0; |
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var maxDcCount = 0; |
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var maxEcCount = 0; |
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var dcdata = new Array(rsBlocks.length); |
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var ecdata = new Array(rsBlocks.length); |
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for (var r = 0; r < rsBlocks.length; r += 1) { |
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var dcCount = rsBlocks[r].dataCount; |
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var ecCount = rsBlocks[r].totalCount - dcCount; |
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282
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maxDcCount = Math.max(maxDcCount, dcCount); |
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maxEcCount = Math.max(maxEcCount, ecCount); |
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285
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dcdata[r] = new Array(dcCount); |
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287
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for (var i = 0; i < dcdata[r].length; i += 1) { |
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dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset]; |
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} |
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offset += dcCount; |
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var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); |
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var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1); |
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var modPoly = rawPoly.mod(rsPoly); |
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ecdata[r] = new Array(rsPoly.getLength() - 1); |
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for (var i = 0; i < ecdata[r].length; i += 1) { |
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var modIndex = i + modPoly.getLength() - ecdata[r].length; |
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ecdata[r][i] = (modIndex >= 0)? modPoly.getAt(modIndex) : 0; |
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} |
301
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} |
302
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303
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var totalCodeCount = 0; |
304
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for (var i = 0; i < rsBlocks.length; i += 1) { |
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totalCodeCount += rsBlocks[i].totalCount; |
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} |
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308
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var data = new Array(totalCodeCount); |
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var index = 0; |
310
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311
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for (var i = 0; i < maxDcCount; i += 1) { |
312
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for (var r = 0; r < rsBlocks.length; r += 1) { |
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if (i < dcdata[r].length) { |
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data[index] = dcdata[r][i]; |
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index += 1; |
316
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} |
317
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} |
318
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} |
319
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320
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for (var i = 0; i < maxEcCount; i += 1) { |
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for (var r = 0; r < rsBlocks.length; r += 1) { |
322
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if (i < ecdata[r].length) { |
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data[index] = ecdata[r][i]; |
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index += 1; |
325
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} |
326
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} |
327
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} |
328
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329
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return data; |
330
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}; |
331
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332
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var createData = function(typeNumber, errorCorrectionLevel, dataList) { |
333
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334
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var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel); |
335
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336
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var buffer = qrBitBuffer(); |
337
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338
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for (var i = 0; i < dataList.length; i += 1) { |
339
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var data = dataList[i]; |
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buffer.put(data.getMode(), 4); |
341
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buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) ); |
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data.write(buffer); |
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} |
344
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345
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// calc num max data. |
346
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var totalDataCount = 0; |
347
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for (var i = 0; i < rsBlocks.length; i += 1) { |
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totalDataCount += rsBlocks[i].dataCount; |
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} |
350
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351
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if (buffer.getLengthInBits() > totalDataCount * 8) { |
352
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throw 'code length overflow. (' |
353
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+ buffer.getLengthInBits() |
354
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+ '>' |
355
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+ totalDataCount * 8 |
356
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+ ')'; |
357
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} |
358
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359
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// end code |
360
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if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { |
361
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buffer.put(0, 4); |
362
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} |
363
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364
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// padding |
365
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while (buffer.getLengthInBits() % 8 != 0) { |
366
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buffer.putBit(false); |
367
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} |
368
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369
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// padding |
370
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while (true) { |
371
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372
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if (buffer.getLengthInBits() >= totalDataCount * 8) { |
373
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break; |
374
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} |
375
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buffer.put(PAD0, 8); |
376
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|
|
377
|
|
|
if (buffer.getLengthInBits() >= totalDataCount * 8) { |
378
|
|
|
break; |
379
|
|
|
} |
380
|
|
|
buffer.put(PAD1, 8); |
381
|
|
|
} |
382
|
|
|
|
383
|
|
|
return createBytes(buffer, rsBlocks); |
384
|
|
|
}; |
385
|
|
|
|
386
|
|
|
_this.addData = function(data, mode) { |
387
|
|
|
|
388
|
|
|
mode = mode || 'Byte'; |
389
|
|
|
|
390
|
|
|
var newData = null; |
|
|
|
|
391
|
|
|
|
392
|
|
|
switch(mode) { |
393
|
|
|
case 'Numeric' : |
394
|
|
|
newData = qrNumber(data); |
395
|
|
|
break; |
396
|
|
|
case 'Alphanumeric' : |
397
|
|
|
newData = qrAlphaNum(data); |
398
|
|
|
break; |
399
|
|
|
case 'Byte' : |
400
|
|
|
newData = qr8BitByte(data); |
401
|
|
|
break; |
402
|
|
|
case 'Kanji' : |
403
|
|
|
newData = qrKanji(data); |
404
|
|
|
break; |
405
|
|
|
default : |
406
|
|
|
throw 'mode:' + mode; |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
_dataList.push(newData); |
410
|
|
|
_dataCache = null; |
411
|
|
|
}; |
412
|
|
|
|
413
|
|
|
_this.isDark = function(row, col) { |
414
|
|
|
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) { |
415
|
|
|
throw row + ',' + col; |
416
|
|
|
} |
417
|
|
|
return _modules[row][col]; |
418
|
|
|
}; |
419
|
|
|
|
420
|
|
|
_this.getModuleCount = function() { |
421
|
|
|
return _moduleCount; |
422
|
|
|
}; |
423
|
|
|
|
424
|
|
|
_this.make = function() { |
425
|
|
|
if (_typeNumber < 1) { |
426
|
|
|
var typeNumber = 1; |
427
|
|
|
|
428
|
|
|
for (; typeNumber < 40; typeNumber++) { |
429
|
|
|
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, _errorCorrectionLevel); |
430
|
|
|
var buffer = qrBitBuffer(); |
431
|
|
|
|
432
|
|
|
for (var i = 0; i < _dataList.length; i++) { |
433
|
|
|
var data = _dataList[i]; |
434
|
|
|
buffer.put(data.getMode(), 4); |
435
|
|
|
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) ); |
436
|
|
|
data.write(buffer); |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
var totalDataCount = 0; |
440
|
|
|
for (var i = 0; i < rsBlocks.length; i++) { |
441
|
|
|
totalDataCount += rsBlocks[i].dataCount; |
442
|
|
|
} |
443
|
|
|
|
444
|
|
|
if (buffer.getLengthInBits() <= totalDataCount * 8) { |
445
|
|
|
break; |
446
|
|
|
} |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
_typeNumber = typeNumber; |
450
|
|
|
} |
451
|
|
|
|
452
|
|
|
makeImpl(false, getBestMaskPattern() ); |
453
|
|
|
}; |
454
|
|
|
|
455
|
|
|
_this.createTableTag = function(cellSize, margin) { |
456
|
|
|
|
457
|
|
|
cellSize = cellSize || 2; |
458
|
|
|
margin = (typeof margin == 'undefined')? cellSize * 4 : margin; |
459
|
|
|
|
460
|
|
|
var qrHtml = ''; |
461
|
|
|
|
462
|
|
|
qrHtml += '<table style="'; |
463
|
|
|
qrHtml += ' border-width: 0px; border-style: none;'; |
464
|
|
|
qrHtml += ' border-collapse: collapse;'; |
465
|
|
|
qrHtml += ' padding: 0px; margin: ' + margin + 'px;'; |
466
|
|
|
qrHtml += '">'; |
467
|
|
|
qrHtml += '<tbody>'; |
468
|
|
|
|
469
|
|
|
for (var r = 0; r < _this.getModuleCount(); r += 1) { |
470
|
|
|
|
471
|
|
|
qrHtml += '<tr>'; |
472
|
|
|
|
473
|
|
|
for (var c = 0; c < _this.getModuleCount(); c += 1) { |
474
|
|
|
qrHtml += '<td style="'; |
475
|
|
|
qrHtml += ' border-width: 0px; border-style: none;'; |
476
|
|
|
qrHtml += ' border-collapse: collapse;'; |
477
|
|
|
qrHtml += ' padding: 0px; margin: 0px;'; |
478
|
|
|
qrHtml += ' width: ' + cellSize + 'px;'; |
479
|
|
|
qrHtml += ' height: ' + cellSize + 'px;'; |
480
|
|
|
qrHtml += ' background-color: '; |
481
|
|
|
qrHtml += _this.isDark(r, c)? '#000000' : '#ffffff'; |
482
|
|
|
qrHtml += ';'; |
483
|
|
|
qrHtml += '"/>'; |
484
|
|
|
} |
485
|
|
|
|
486
|
|
|
qrHtml += '</tr>'; |
487
|
|
|
} |
488
|
|
|
|
489
|
|
|
qrHtml += '</tbody>'; |
490
|
|
|
qrHtml += '</table>'; |
491
|
|
|
|
492
|
|
|
return qrHtml; |
493
|
|
|
}; |
494
|
|
|
|
495
|
|
|
_this.createSvgTag = function(cellSize, margin, alt, title) { |
496
|
|
|
|
497
|
|
|
var opts = {}; |
498
|
|
|
if (typeof arguments[0] == 'object') { |
499
|
|
|
// Called by options. |
500
|
|
|
opts = arguments[0]; |
501
|
|
|
// overwrite cellSize and margin. |
502
|
|
|
cellSize = opts.cellSize; |
503
|
|
|
margin = opts.margin; |
504
|
|
|
alt = opts.alt; |
505
|
|
|
title = opts.title; |
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
cellSize = cellSize || 2; |
509
|
|
|
margin = (typeof margin == 'undefined')? cellSize * 4 : margin; |
510
|
|
|
|
511
|
|
|
// Compose alt property surrogate |
512
|
|
|
alt = (typeof alt === 'string') ? {text: alt} : alt || {}; |
513
|
|
|
alt.text = alt.text || null; |
514
|
|
|
alt.id = (alt.text) ? alt.id || 'qrcode-description' : null; |
515
|
|
|
|
516
|
|
|
// Compose title property surrogate |
517
|
|
|
title = (typeof title === 'string') ? {text: title} : title || {}; |
518
|
|
|
title.text = title.text || null; |
519
|
|
|
title.id = (title.text) ? title.id || 'qrcode-title' : null; |
520
|
|
|
|
521
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2; |
522
|
|
|
var c, mc, r, mr, qrSvg='', rect; |
523
|
|
|
|
524
|
|
|
rect = 'l' + cellSize + ',0 0,' + cellSize + |
525
|
|
|
' -' + cellSize + ',0 0,-' + cellSize + 'z '; |
526
|
|
|
|
527
|
|
|
qrSvg += '<svg version="1.1" xmlns="http://www.w3.org/2000/svg"'; |
528
|
|
|
qrSvg += !opts.scalable ? ' width="' + size + 'px" height="' + size + 'px"' : ''; |
529
|
|
|
qrSvg += ' viewBox="0 0 ' + size + ' ' + size + '" '; |
530
|
|
|
qrSvg += ' preserveAspectRatio="xMinYMin meet"'; |
531
|
|
|
qrSvg += (title.text || alt.text) ? ' role="img" aria-labelledby="' + |
532
|
|
|
escapeXml([title.id, alt.id].join(' ').trim() ) + '"' : ''; |
533
|
|
|
qrSvg += '>'; |
534
|
|
|
qrSvg += (title.text) ? '<title id="' + escapeXml(title.id) + '">' + |
535
|
|
|
escapeXml(title.text) + '</title>' : ''; |
536
|
|
|
qrSvg += (alt.text) ? '<description id="' + escapeXml(alt.id) + '">' + |
537
|
|
|
escapeXml(alt.text) + '</description>' : ''; |
538
|
|
|
qrSvg += '<rect width="100%" height="100%" fill="white" cx="0" cy="0"/>'; |
539
|
|
|
qrSvg += '<path d="'; |
540
|
|
|
|
541
|
|
|
for (r = 0; r < _this.getModuleCount(); r += 1) { |
542
|
|
|
mr = r * cellSize + margin; |
543
|
|
|
for (c = 0; c < _this.getModuleCount(); c += 1) { |
544
|
|
|
if (_this.isDark(r, c) ) { |
545
|
|
|
mc = c*cellSize+margin; |
546
|
|
|
qrSvg += 'M' + mc + ',' + mr + rect; |
547
|
|
|
} |
548
|
|
|
} |
549
|
|
|
} |
550
|
|
|
|
551
|
|
|
qrSvg += '" stroke="transparent" fill="black"/>'; |
552
|
|
|
qrSvg += '</svg>'; |
553
|
|
|
|
554
|
|
|
return qrSvg; |
555
|
|
|
}; |
556
|
|
|
|
557
|
|
|
_this.createDataURL = function(cellSize, margin) { |
558
|
|
|
|
559
|
|
|
cellSize = cellSize || 2; |
560
|
|
|
margin = (typeof margin == 'undefined')? cellSize * 4 : margin; |
561
|
|
|
|
562
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2; |
563
|
|
|
var min = margin; |
564
|
|
|
var max = size - margin; |
565
|
|
|
|
566
|
|
|
return createDataURL(size, size, function(x, y) { |
567
|
|
|
if (min <= x && x < max && min <= y && y < max) { |
568
|
|
|
var c = Math.floor( (x - min) / cellSize); |
569
|
|
|
var r = Math.floor( (y - min) / cellSize); |
570
|
|
|
return _this.isDark(r, c)? 0 : 1; |
571
|
|
|
} else { |
572
|
|
|
return 1; |
573
|
|
|
} |
574
|
|
|
} ); |
575
|
|
|
}; |
576
|
|
|
|
577
|
|
|
_this.createImgTag = function(cellSize, margin, alt) { |
578
|
|
|
|
579
|
|
|
cellSize = cellSize || 2; |
580
|
|
|
margin = (typeof margin == 'undefined')? cellSize * 4 : margin; |
581
|
|
|
|
582
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2; |
583
|
|
|
|
584
|
|
|
var img = ''; |
585
|
|
|
img += '<img'; |
586
|
|
|
img += '\u0020src="'; |
587
|
|
|
img += _this.createDataURL(cellSize, margin); |
588
|
|
|
img += '"'; |
589
|
|
|
img += '\u0020width="'; |
590
|
|
|
img += size; |
591
|
|
|
img += '"'; |
592
|
|
|
img += '\u0020height="'; |
593
|
|
|
img += size; |
594
|
|
|
img += '"'; |
595
|
|
|
if (alt) { |
596
|
|
|
img += '\u0020alt="'; |
597
|
|
|
img += escapeXml(alt); |
598
|
|
|
img += '"'; |
599
|
|
|
} |
600
|
|
|
img += '/>'; |
601
|
|
|
|
602
|
|
|
return img; |
603
|
|
|
}; |
604
|
|
|
|
605
|
|
|
var escapeXml = function(s) { |
606
|
|
|
var escaped = ''; |
607
|
|
|
for (var i = 0; i < s.length; i += 1) { |
608
|
|
|
var c = s.charAt(i); |
609
|
|
|
switch(c) { |
610
|
|
|
case '<': escaped += '<'; break; |
611
|
|
|
case '>': escaped += '>'; break; |
612
|
|
|
case '&': escaped += '&'; break; |
613
|
|
|
case '"': escaped += '"'; break; |
614
|
|
|
default : escaped += c; break; |
615
|
|
|
} |
616
|
|
|
} |
617
|
|
|
return escaped; |
618
|
|
|
}; |
619
|
|
|
|
620
|
|
|
var _createHalfASCII = function(margin) { |
621
|
|
|
var cellSize = 1; |
622
|
|
|
margin = (typeof margin == 'undefined')? cellSize * 2 : margin; |
623
|
|
|
|
624
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2; |
625
|
|
|
var min = margin; |
626
|
|
|
var max = size - margin; |
627
|
|
|
|
628
|
|
|
var y, x, r1, r2, p; |
629
|
|
|
|
630
|
|
|
var blocks = { |
631
|
|
|
'██': '█', |
632
|
|
|
'█ ': '▀', |
633
|
|
|
' █': '▄', |
634
|
|
|
' ': ' ' |
635
|
|
|
}; |
636
|
|
|
|
637
|
|
|
var blocksLastLineNoMargin = { |
638
|
|
|
'██': '▀', |
639
|
|
|
'█ ': '▀', |
640
|
|
|
' █': ' ', |
641
|
|
|
' ': ' ' |
642
|
|
|
}; |
643
|
|
|
|
644
|
|
|
var ascii = ''; |
645
|
|
|
for (y = 0; y < size; y += 2) { |
646
|
|
|
r1 = Math.floor((y - min) / cellSize); |
647
|
|
|
r2 = Math.floor((y + 1 - min) / cellSize); |
648
|
|
|
for (x = 0; x < size; x += 1) { |
649
|
|
|
p = '█'; |
650
|
|
|
|
651
|
|
|
if (min <= x && x < max && min <= y && y < max && _this.isDark(r1, Math.floor((x - min) / cellSize))) { |
652
|
|
|
p = ' '; |
653
|
|
|
} |
654
|
|
|
|
655
|
|
|
if (min <= x && x < max && min <= y+1 && y+1 < max && _this.isDark(r2, Math.floor((x - min) / cellSize))) { |
656
|
|
|
p += ' '; |
657
|
|
|
} |
658
|
|
|
else { |
659
|
|
|
p += '█'; |
660
|
|
|
} |
661
|
|
|
|
662
|
|
|
// Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. |
663
|
|
|
ascii += (margin < 1 && y+1 >= max) ? blocksLastLineNoMargin[p] : blocks[p]; |
664
|
|
|
} |
665
|
|
|
|
666
|
|
|
ascii += '\n'; |
667
|
|
|
} |
668
|
|
|
|
669
|
|
|
if (size % 2 && margin > 0) { |
670
|
|
|
return ascii.substring(0, ascii.length - size - 1) + Array(size+1).join('▀'); |
671
|
|
|
} |
672
|
|
|
|
673
|
|
|
return ascii.substring(0, ascii.length-1); |
674
|
|
|
}; |
675
|
|
|
|
676
|
|
|
_this.createASCII = function(cellSize, margin) { |
677
|
|
|
cellSize = cellSize || 1; |
678
|
|
|
|
679
|
|
|
if (cellSize < 2) { |
680
|
|
|
return _createHalfASCII(margin); |
681
|
|
|
} |
682
|
|
|
|
683
|
|
|
cellSize -= 1; |
684
|
|
|
margin = (typeof margin == 'undefined')? cellSize * 2 : margin; |
685
|
|
|
|
686
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2; |
687
|
|
|
var min = margin; |
688
|
|
|
var max = size - margin; |
689
|
|
|
|
690
|
|
|
var y, x, r, p; |
691
|
|
|
|
692
|
|
|
var white = Array(cellSize+1).join('██'); |
693
|
|
|
var black = Array(cellSize+1).join(' '); |
694
|
|
|
|
695
|
|
|
var ascii = ''; |
696
|
|
|
var line = ''; |
697
|
|
|
for (y = 0; y < size; y += 1) { |
698
|
|
|
r = Math.floor( (y - min) / cellSize); |
699
|
|
|
line = ''; |
700
|
|
|
for (x = 0; x < size; x += 1) { |
701
|
|
|
p = 1; |
702
|
|
|
|
703
|
|
|
if (min <= x && x < max && min <= y && y < max && _this.isDark(r, Math.floor((x - min) / cellSize))) { |
704
|
|
|
p = 0; |
705
|
|
|
} |
706
|
|
|
|
707
|
|
|
// Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. |
708
|
|
|
line += p ? white : black; |
709
|
|
|
} |
710
|
|
|
|
711
|
|
|
for (r = 0; r < cellSize; r += 1) { |
712
|
|
|
ascii += line + '\n'; |
713
|
|
|
} |
714
|
|
|
} |
715
|
|
|
|
716
|
|
|
return ascii.substring(0, ascii.length-1); |
717
|
|
|
}; |
718
|
|
|
|
719
|
|
|
_this.renderTo2dContext = function(context, cellSize) { |
720
|
|
|
cellSize = cellSize || 2; |
721
|
|
|
var length = _this.getModuleCount(); |
722
|
|
|
for (var row = 0; row < length; row++) { |
723
|
|
|
for (var col = 0; col < length; col++) { |
724
|
|
|
context.fillStyle = _this.isDark(row, col) ? 'black' : 'white'; |
725
|
|
|
context.fillRect(row * cellSize, col * cellSize, cellSize, cellSize); |
726
|
|
|
} |
727
|
|
|
} |
728
|
|
|
} |
729
|
|
|
|
730
|
|
|
return _this; |
731
|
|
|
}; |
732
|
|
|
|
733
|
|
|
//--------------------------------------------------------------------- |
734
|
|
|
// qrcode.stringToBytes |
735
|
|
|
//--------------------------------------------------------------------- |
736
|
|
|
|
737
|
|
|
qrcode.stringToBytesFuncs = { |
738
|
|
|
'default' : function(s) { |
739
|
|
|
var bytes = []; |
740
|
|
|
for (var i = 0; i < s.length; i += 1) { |
741
|
|
|
var c = s.charCodeAt(i); |
742
|
|
|
bytes.push(c & 0xff); |
743
|
|
|
} |
744
|
|
|
return bytes; |
745
|
|
|
} |
746
|
|
|
}; |
747
|
|
|
|
748
|
|
|
qrcode.stringToBytes = qrcode.stringToBytesFuncs['default']; |
749
|
|
|
|
750
|
|
|
//--------------------------------------------------------------------- |
751
|
|
|
// qrcode.createStringToBytes |
752
|
|
|
//--------------------------------------------------------------------- |
753
|
|
|
|
754
|
|
|
/** |
755
|
|
|
* @param unicodeData base64 string of byte array. |
756
|
|
|
* [16bit Unicode],[16bit Bytes], ... |
757
|
|
|
* @param numChars |
758
|
|
|
*/ |
759
|
|
|
qrcode.createStringToBytes = function(unicodeData, numChars) { |
760
|
|
|
|
761
|
|
|
// create conversion map. |
762
|
|
|
|
763
|
|
|
var unicodeMap = function() { |
764
|
|
|
|
765
|
|
|
var bin = base64DecodeInputStream(unicodeData); |
766
|
|
|
var read = function() { |
767
|
|
|
var b = bin.read(); |
768
|
|
|
if (b == -1) throw 'eof'; |
769
|
|
|
return b; |
770
|
|
|
}; |
771
|
|
|
|
772
|
|
|
var count = 0; |
773
|
|
|
var unicodeMap = {}; |
774
|
|
|
while (true) { |
775
|
|
|
var b0 = bin.read(); |
776
|
|
|
if (b0 == -1) break; |
777
|
|
|
var b1 = read(); |
778
|
|
|
var b2 = read(); |
779
|
|
|
var b3 = read(); |
780
|
|
|
var k = String.fromCharCode( (b0 << 8) | b1); |
781
|
|
|
var v = (b2 << 8) | b3; |
782
|
|
|
unicodeMap[k] = v; |
783
|
|
|
count += 1; |
784
|
|
|
} |
785
|
|
|
if (count != numChars) { |
786
|
|
|
throw count + ' != ' + numChars; |
787
|
|
|
} |
788
|
|
|
|
789
|
|
|
return unicodeMap; |
790
|
|
|
}(); |
791
|
|
|
|
792
|
|
|
var unknownChar = '?'.charCodeAt(0); |
793
|
|
|
|
794
|
|
|
return function(s) { |
795
|
|
|
var bytes = []; |
796
|
|
|
for (var i = 0; i < s.length; i += 1) { |
797
|
|
|
var c = s.charCodeAt(i); |
798
|
|
|
if (c < 128) { |
799
|
|
|
bytes.push(c); |
800
|
|
|
} else { |
801
|
|
|
var b = unicodeMap[s.charAt(i)]; |
802
|
|
|
if (typeof b == 'number') { |
803
|
|
|
if ( (b & 0xff) == b) { |
804
|
|
|
// 1byte |
805
|
|
|
bytes.push(b); |
806
|
|
|
} else { |
807
|
|
|
// 2bytes |
808
|
|
|
bytes.push(b >>> 8); |
809
|
|
|
bytes.push(b & 0xff); |
810
|
|
|
} |
811
|
|
|
} else { |
812
|
|
|
bytes.push(unknownChar); |
813
|
|
|
} |
814
|
|
|
} |
815
|
|
|
} |
816
|
|
|
return bytes; |
817
|
|
|
}; |
818
|
|
|
}; |
819
|
|
|
|
820
|
|
|
//--------------------------------------------------------------------- |
821
|
|
|
// QRMode |
822
|
|
|
//--------------------------------------------------------------------- |
823
|
|
|
|
824
|
|
|
var QRMode = { |
825
|
|
|
MODE_NUMBER : 1 << 0, |
826
|
|
|
MODE_ALPHA_NUM : 1 << 1, |
827
|
|
|
MODE_8BIT_BYTE : 1 << 2, |
828
|
|
|
MODE_KANJI : 1 << 3 |
829
|
|
|
}; |
830
|
|
|
|
831
|
|
|
//--------------------------------------------------------------------- |
832
|
|
|
// QRErrorCorrectionLevel |
833
|
|
|
//--------------------------------------------------------------------- |
834
|
|
|
|
835
|
|
|
var QRErrorCorrectionLevel = { |
836
|
|
|
L : 1, |
837
|
|
|
M : 0, |
838
|
|
|
Q : 3, |
839
|
|
|
H : 2 |
840
|
|
|
}; |
841
|
|
|
|
842
|
|
|
//--------------------------------------------------------------------- |
843
|
|
|
// QRMaskPattern |
844
|
|
|
//--------------------------------------------------------------------- |
845
|
|
|
|
846
|
|
|
var QRMaskPattern = { |
847
|
|
|
PATTERN000 : 0, |
848
|
|
|
PATTERN001 : 1, |
849
|
|
|
PATTERN010 : 2, |
850
|
|
|
PATTERN011 : 3, |
851
|
|
|
PATTERN100 : 4, |
852
|
|
|
PATTERN101 : 5, |
853
|
|
|
PATTERN110 : 6, |
854
|
|
|
PATTERN111 : 7 |
855
|
|
|
}; |
856
|
|
|
|
857
|
|
|
//--------------------------------------------------------------------- |
858
|
|
|
// QRUtil |
859
|
|
|
//--------------------------------------------------------------------- |
860
|
|
|
|
861
|
|
|
var QRUtil = function() { |
862
|
|
|
|
863
|
|
|
var PATTERN_POSITION_TABLE = [ |
864
|
|
|
[], |
865
|
|
|
[6, 18], |
866
|
|
|
[6, 22], |
867
|
|
|
[6, 26], |
868
|
|
|
[6, 30], |
869
|
|
|
[6, 34], |
870
|
|
|
[6, 22, 38], |
871
|
|
|
[6, 24, 42], |
872
|
|
|
[6, 26, 46], |
873
|
|
|
[6, 28, 50], |
874
|
|
|
[6, 30, 54], |
875
|
|
|
[6, 32, 58], |
876
|
|
|
[6, 34, 62], |
877
|
|
|
[6, 26, 46, 66], |
878
|
|
|
[6, 26, 48, 70], |
879
|
|
|
[6, 26, 50, 74], |
880
|
|
|
[6, 30, 54, 78], |
881
|
|
|
[6, 30, 56, 82], |
882
|
|
|
[6, 30, 58, 86], |
883
|
|
|
[6, 34, 62, 90], |
884
|
|
|
[6, 28, 50, 72, 94], |
885
|
|
|
[6, 26, 50, 74, 98], |
886
|
|
|
[6, 30, 54, 78, 102], |
887
|
|
|
[6, 28, 54, 80, 106], |
888
|
|
|
[6, 32, 58, 84, 110], |
889
|
|
|
[6, 30, 58, 86, 114], |
890
|
|
|
[6, 34, 62, 90, 118], |
891
|
|
|
[6, 26, 50, 74, 98, 122], |
892
|
|
|
[6, 30, 54, 78, 102, 126], |
893
|
|
|
[6, 26, 52, 78, 104, 130], |
894
|
|
|
[6, 30, 56, 82, 108, 134], |
895
|
|
|
[6, 34, 60, 86, 112, 138], |
896
|
|
|
[6, 30, 58, 86, 114, 142], |
897
|
|
|
[6, 34, 62, 90, 118, 146], |
898
|
|
|
[6, 30, 54, 78, 102, 126, 150], |
899
|
|
|
[6, 24, 50, 76, 102, 128, 154], |
900
|
|
|
[6, 28, 54, 80, 106, 132, 158], |
901
|
|
|
[6, 32, 58, 84, 110, 136, 162], |
902
|
|
|
[6, 26, 54, 82, 110, 138, 166], |
903
|
|
|
[6, 30, 58, 86, 114, 142, 170] |
904
|
|
|
]; |
905
|
|
|
var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0); |
906
|
|
|
var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0); |
907
|
|
|
var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1); |
908
|
|
|
|
909
|
|
|
var _this = {}; |
910
|
|
|
|
911
|
|
|
var getBCHDigit = function(data) { |
912
|
|
|
var digit = 0; |
913
|
|
|
while (data != 0) { |
914
|
|
|
digit += 1; |
915
|
|
|
data >>>= 1; |
916
|
|
|
} |
917
|
|
|
return digit; |
918
|
|
|
}; |
919
|
|
|
|
920
|
|
|
_this.getBCHTypeInfo = function(data) { |
921
|
|
|
var d = data << 10; |
922
|
|
|
while (getBCHDigit(d) - getBCHDigit(G15) >= 0) { |
923
|
|
|
d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) ); |
924
|
|
|
} |
925
|
|
|
return ( (data << 10) | d) ^ G15_MASK; |
926
|
|
|
}; |
927
|
|
|
|
928
|
|
|
_this.getBCHTypeNumber = function(data) { |
929
|
|
|
var d = data << 12; |
930
|
|
|
while (getBCHDigit(d) - getBCHDigit(G18) >= 0) { |
931
|
|
|
d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) ); |
932
|
|
|
} |
933
|
|
|
return (data << 12) | d; |
934
|
|
|
}; |
935
|
|
|
|
936
|
|
|
_this.getPatternPosition = function(typeNumber) { |
937
|
|
|
return PATTERN_POSITION_TABLE[typeNumber - 1]; |
938
|
|
|
}; |
939
|
|
|
|
940
|
|
|
_this.getMaskFunction = function(maskPattern) { |
941
|
|
|
|
942
|
|
|
switch (maskPattern) { |
943
|
|
|
|
944
|
|
|
case QRMaskPattern.PATTERN000 : |
945
|
|
|
return function(i, j) { return (i + j) % 2 == 0; }; |
946
|
|
|
case QRMaskPattern.PATTERN001 : |
947
|
|
|
return function(i, j) { return i % 2 == 0; }; |
948
|
|
|
case QRMaskPattern.PATTERN010 : |
949
|
|
|
return function(i, j) { return j % 3 == 0; }; |
950
|
|
|
case QRMaskPattern.PATTERN011 : |
951
|
|
|
return function(i, j) { return (i + j) % 3 == 0; }; |
952
|
|
|
case QRMaskPattern.PATTERN100 : |
953
|
|
|
return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; }; |
954
|
|
|
case QRMaskPattern.PATTERN101 : |
955
|
|
|
return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; }; |
956
|
|
|
case QRMaskPattern.PATTERN110 : |
957
|
|
|
return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; }; |
958
|
|
|
case QRMaskPattern.PATTERN111 : |
959
|
|
|
return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; }; |
960
|
|
|
|
961
|
|
|
default : |
962
|
|
|
throw 'bad maskPattern:' + maskPattern; |
963
|
|
|
} |
964
|
|
|
}; |
965
|
|
|
|
966
|
|
|
_this.getErrorCorrectPolynomial = function(errorCorrectLength) { |
967
|
|
|
var a = qrPolynomial([1], 0); |
968
|
|
|
for (var i = 0; i < errorCorrectLength; i += 1) { |
969
|
|
|
a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) ); |
970
|
|
|
} |
971
|
|
|
return a; |
972
|
|
|
}; |
973
|
|
|
|
974
|
|
|
_this.getLengthInBits = function(mode, type) { |
975
|
|
|
|
976
|
|
|
if (1 <= type && type < 10) { |
977
|
|
|
|
978
|
|
|
// 1 - 9 |
979
|
|
|
|
980
|
|
|
switch(mode) { |
981
|
|
|
case QRMode.MODE_NUMBER : return 10; |
982
|
|
|
case QRMode.MODE_ALPHA_NUM : return 9; |
983
|
|
|
case QRMode.MODE_8BIT_BYTE : return 8; |
984
|
|
|
case QRMode.MODE_KANJI : return 8; |
985
|
|
|
default : |
986
|
|
|
throw 'mode:' + mode; |
987
|
|
|
} |
988
|
|
|
|
989
|
|
|
} else if (type < 27) { |
990
|
|
|
|
991
|
|
|
// 10 - 26 |
992
|
|
|
|
993
|
|
|
switch(mode) { |
994
|
|
|
case QRMode.MODE_NUMBER : return 12; |
995
|
|
|
case QRMode.MODE_ALPHA_NUM : return 11; |
996
|
|
|
case QRMode.MODE_8BIT_BYTE : return 16; |
997
|
|
|
case QRMode.MODE_KANJI : return 10; |
998
|
|
|
default : |
999
|
|
|
throw 'mode:' + mode; |
1000
|
|
|
} |
1001
|
|
|
|
1002
|
|
|
} else if (type < 41) { |
1003
|
|
|
|
1004
|
|
|
// 27 - 40 |
1005
|
|
|
|
1006
|
|
|
switch(mode) { |
1007
|
|
|
case QRMode.MODE_NUMBER : return 14; |
1008
|
|
|
case QRMode.MODE_ALPHA_NUM : return 13; |
1009
|
|
|
case QRMode.MODE_8BIT_BYTE : return 16; |
1010
|
|
|
case QRMode.MODE_KANJI : return 12; |
1011
|
|
|
default : |
1012
|
|
|
throw 'mode:' + mode; |
1013
|
|
|
} |
1014
|
|
|
|
1015
|
|
|
} else { |
1016
|
|
|
throw 'type:' + type; |
1017
|
|
|
} |
1018
|
|
|
}; |
1019
|
|
|
|
1020
|
|
|
_this.getLostPoint = function(qrcode) { |
1021
|
|
|
|
1022
|
|
|
var moduleCount = qrcode.getModuleCount(); |
1023
|
|
|
|
1024
|
|
|
var lostPoint = 0; |
1025
|
|
|
|
1026
|
|
|
// LEVEL1 |
1027
|
|
|
|
1028
|
|
|
for (var row = 0; row < moduleCount; row += 1) { |
1029
|
|
|
for (var col = 0; col < moduleCount; col += 1) { |
1030
|
|
|
|
1031
|
|
|
var sameCount = 0; |
1032
|
|
|
var dark = qrcode.isDark(row, col); |
1033
|
|
|
|
1034
|
|
|
for (var r = -1; r <= 1; r += 1) { |
1035
|
|
|
|
1036
|
|
|
if (row + r < 0 || moduleCount <= row + r) { |
1037
|
|
|
continue; |
1038
|
|
|
} |
1039
|
|
|
|
1040
|
|
|
for (var c = -1; c <= 1; c += 1) { |
1041
|
|
|
|
1042
|
|
|
if (col + c < 0 || moduleCount <= col + c) { |
1043
|
|
|
continue; |
1044
|
|
|
} |
1045
|
|
|
|
1046
|
|
|
if (r == 0 && c == 0) { |
1047
|
|
|
continue; |
1048
|
|
|
} |
1049
|
|
|
|
1050
|
|
|
if (dark == qrcode.isDark(row + r, col + c) ) { |
1051
|
|
|
sameCount += 1; |
1052
|
|
|
} |
1053
|
|
|
} |
1054
|
|
|
} |
1055
|
|
|
|
1056
|
|
|
if (sameCount > 5) { |
1057
|
|
|
lostPoint += (3 + sameCount - 5); |
1058
|
|
|
} |
1059
|
|
|
} |
1060
|
|
|
}; |
1061
|
|
|
|
1062
|
|
|
// LEVEL2 |
1063
|
|
|
|
1064
|
|
|
for (var row = 0; row < moduleCount - 1; row += 1) { |
1065
|
|
|
for (var col = 0; col < moduleCount - 1; col += 1) { |
1066
|
|
|
var count = 0; |
1067
|
|
|
if (qrcode.isDark(row, col) ) count += 1; |
1068
|
|
|
if (qrcode.isDark(row + 1, col) ) count += 1; |
1069
|
|
|
if (qrcode.isDark(row, col + 1) ) count += 1; |
1070
|
|
|
if (qrcode.isDark(row + 1, col + 1) ) count += 1; |
1071
|
|
|
if (count == 0 || count == 4) { |
1072
|
|
|
lostPoint += 3; |
1073
|
|
|
} |
1074
|
|
|
} |
1075
|
|
|
} |
1076
|
|
|
|
1077
|
|
|
// LEVEL3 |
1078
|
|
|
|
1079
|
|
|
for (var row = 0; row < moduleCount; row += 1) { |
1080
|
|
|
for (var col = 0; col < moduleCount - 6; col += 1) { |
1081
|
|
|
if (qrcode.isDark(row, col) |
1082
|
|
|
&& !qrcode.isDark(row, col + 1) |
1083
|
|
|
&& qrcode.isDark(row, col + 2) |
1084
|
|
|
&& qrcode.isDark(row, col + 3) |
1085
|
|
|
&& qrcode.isDark(row, col + 4) |
1086
|
|
|
&& !qrcode.isDark(row, col + 5) |
1087
|
|
|
&& qrcode.isDark(row, col + 6) ) { |
1088
|
|
|
lostPoint += 40; |
1089
|
|
|
} |
1090
|
|
|
} |
1091
|
|
|
} |
1092
|
|
|
|
1093
|
|
|
for (var col = 0; col < moduleCount; col += 1) { |
1094
|
|
|
for (var row = 0; row < moduleCount - 6; row += 1) { |
1095
|
|
|
if (qrcode.isDark(row, col) |
1096
|
|
|
&& !qrcode.isDark(row + 1, col) |
1097
|
|
|
&& qrcode.isDark(row + 2, col) |
1098
|
|
|
&& qrcode.isDark(row + 3, col) |
1099
|
|
|
&& qrcode.isDark(row + 4, col) |
1100
|
|
|
&& !qrcode.isDark(row + 5, col) |
1101
|
|
|
&& qrcode.isDark(row + 6, col) ) { |
1102
|
|
|
lostPoint += 40; |
1103
|
|
|
} |
1104
|
|
|
} |
1105
|
|
|
} |
1106
|
|
|
|
1107
|
|
|
// LEVEL4 |
1108
|
|
|
|
1109
|
|
|
var darkCount = 0; |
1110
|
|
|
|
1111
|
|
|
for (var col = 0; col < moduleCount; col += 1) { |
1112
|
|
|
for (var row = 0; row < moduleCount; row += 1) { |
1113
|
|
|
if (qrcode.isDark(row, col) ) { |
1114
|
|
|
darkCount += 1; |
1115
|
|
|
} |
1116
|
|
|
} |
1117
|
|
|
} |
1118
|
|
|
|
1119
|
|
|
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; |
1120
|
|
|
lostPoint += ratio * 10; |
1121
|
|
|
|
1122
|
|
|
return lostPoint; |
1123
|
|
|
}; |
1124
|
|
|
|
1125
|
|
|
return _this; |
1126
|
|
|
}(); |
1127
|
|
|
|
1128
|
|
|
//--------------------------------------------------------------------- |
1129
|
|
|
// QRMath |
1130
|
|
|
//--------------------------------------------------------------------- |
1131
|
|
|
|
1132
|
|
|
var QRMath = function() { |
1133
|
|
|
|
1134
|
|
|
var EXP_TABLE = new Array(256); |
1135
|
|
|
var LOG_TABLE = new Array(256); |
1136
|
|
|
|
1137
|
|
|
// initialize tables |
1138
|
|
|
for (var i = 0; i < 8; i += 1) { |
1139
|
|
|
EXP_TABLE[i] = 1 << i; |
1140
|
|
|
} |
1141
|
|
|
for (var i = 8; i < 256; i += 1) { |
1142
|
|
|
EXP_TABLE[i] = EXP_TABLE[i - 4] |
1143
|
|
|
^ EXP_TABLE[i - 5] |
1144
|
|
|
^ EXP_TABLE[i - 6] |
1145
|
|
|
^ EXP_TABLE[i - 8]; |
1146
|
|
|
} |
1147
|
|
|
for (var i = 0; i < 255; i += 1) { |
1148
|
|
|
LOG_TABLE[EXP_TABLE[i] ] = i; |
1149
|
|
|
} |
1150
|
|
|
|
1151
|
|
|
var _this = {}; |
1152
|
|
|
|
1153
|
|
|
_this.glog = function(n) { |
1154
|
|
|
|
1155
|
|
|
if (n < 1) { |
1156
|
|
|
throw 'glog(' + n + ')'; |
1157
|
|
|
} |
1158
|
|
|
|
1159
|
|
|
return LOG_TABLE[n]; |
1160
|
|
|
}; |
1161
|
|
|
|
1162
|
|
|
_this.gexp = function(n) { |
1163
|
|
|
|
1164
|
|
|
while (n < 0) { |
1165
|
|
|
n += 255; |
1166
|
|
|
} |
1167
|
|
|
|
1168
|
|
|
while (n >= 256) { |
1169
|
|
|
n -= 255; |
1170
|
|
|
} |
1171
|
|
|
|
1172
|
|
|
return EXP_TABLE[n]; |
1173
|
|
|
}; |
1174
|
|
|
|
1175
|
|
|
return _this; |
1176
|
|
|
}(); |
1177
|
|
|
|
1178
|
|
|
//--------------------------------------------------------------------- |
1179
|
|
|
// qrPolynomial |
1180
|
|
|
//--------------------------------------------------------------------- |
1181
|
|
|
|
1182
|
|
|
function qrPolynomial(num, shift) { |
1183
|
|
|
|
1184
|
|
|
if (typeof num.length == 'undefined') { |
1185
|
|
|
throw num.length + '/' + shift; |
1186
|
|
|
} |
1187
|
|
|
|
1188
|
|
|
var _num = function() { |
1189
|
|
|
var offset = 0; |
1190
|
|
|
while (offset < num.length && num[offset] == 0) { |
1191
|
|
|
offset += 1; |
1192
|
|
|
} |
1193
|
|
|
var _num = new Array(num.length - offset + shift); |
1194
|
|
|
for (var i = 0; i < num.length - offset; i += 1) { |
1195
|
|
|
_num[i] = num[i + offset]; |
1196
|
|
|
} |
1197
|
|
|
return _num; |
1198
|
|
|
}(); |
1199
|
|
|
|
1200
|
|
|
var _this = {}; |
1201
|
|
|
|
1202
|
|
|
_this.getAt = function(index) { |
1203
|
|
|
return _num[index]; |
1204
|
|
|
}; |
1205
|
|
|
|
1206
|
|
|
_this.getLength = function() { |
1207
|
|
|
return _num.length; |
1208
|
|
|
}; |
1209
|
|
|
|
1210
|
|
|
_this.multiply = function(e) { |
1211
|
|
|
|
1212
|
|
|
var num = new Array(_this.getLength() + e.getLength() - 1); |
1213
|
|
|
|
1214
|
|
|
for (var i = 0; i < _this.getLength(); i += 1) { |
1215
|
|
|
for (var j = 0; j < e.getLength(); j += 1) { |
1216
|
|
|
num[i + j] ^= QRMath.gexp(QRMath.glog(_this.getAt(i) ) + QRMath.glog(e.getAt(j) ) ); |
1217
|
|
|
} |
1218
|
|
|
} |
1219
|
|
|
|
1220
|
|
|
return qrPolynomial(num, 0); |
1221
|
|
|
}; |
1222
|
|
|
|
1223
|
|
|
_this.mod = function(e) { |
1224
|
|
|
|
1225
|
|
|
if (_this.getLength() - e.getLength() < 0) { |
1226
|
|
|
return _this; |
1227
|
|
|
} |
1228
|
|
|
|
1229
|
|
|
var ratio = QRMath.glog(_this.getAt(0) ) - QRMath.glog(e.getAt(0) ); |
1230
|
|
|
|
1231
|
|
|
var num = new Array(_this.getLength() ); |
|
|
|
|
1232
|
|
|
for (var i = 0; i < _this.getLength(); i += 1) { |
1233
|
|
|
num[i] = _this.getAt(i); |
1234
|
|
|
} |
1235
|
|
|
|
1236
|
|
|
for (var i = 0; i < e.getLength(); i += 1) { |
1237
|
|
|
num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i) ) + ratio); |
1238
|
|
|
} |
1239
|
|
|
|
1240
|
|
|
// recursive call |
1241
|
|
|
return qrPolynomial(num, 0).mod(e); |
1242
|
|
|
}; |
1243
|
|
|
|
1244
|
|
|
return _this; |
1245
|
|
|
}; |
1246
|
|
|
|
1247
|
|
|
//--------------------------------------------------------------------- |
1248
|
|
|
// QRRSBlock |
1249
|
|
|
//--------------------------------------------------------------------- |
1250
|
|
|
|
1251
|
|
|
var QRRSBlock = function() { |
1252
|
|
|
|
1253
|
|
|
var RS_BLOCK_TABLE = [ |
1254
|
|
|
|
1255
|
|
|
// L |
1256
|
|
|
// M |
1257
|
|
|
// Q |
1258
|
|
|
// H |
1259
|
|
|
|
1260
|
|
|
// 1 |
1261
|
|
|
[1, 26, 19], |
1262
|
|
|
[1, 26, 16], |
1263
|
|
|
[1, 26, 13], |
1264
|
|
|
[1, 26, 9], |
1265
|
|
|
|
1266
|
|
|
// 2 |
1267
|
|
|
[1, 44, 34], |
1268
|
|
|
[1, 44, 28], |
1269
|
|
|
[1, 44, 22], |
1270
|
|
|
[1, 44, 16], |
1271
|
|
|
|
1272
|
|
|
// 3 |
1273
|
|
|
[1, 70, 55], |
1274
|
|
|
[1, 70, 44], |
1275
|
|
|
[2, 35, 17], |
1276
|
|
|
[2, 35, 13], |
1277
|
|
|
|
1278
|
|
|
// 4 |
1279
|
|
|
[1, 100, 80], |
1280
|
|
|
[2, 50, 32], |
1281
|
|
|
[2, 50, 24], |
1282
|
|
|
[4, 25, 9], |
1283
|
|
|
|
1284
|
|
|
// 5 |
1285
|
|
|
[1, 134, 108], |
1286
|
|
|
[2, 67, 43], |
1287
|
|
|
[2, 33, 15, 2, 34, 16], |
1288
|
|
|
[2, 33, 11, 2, 34, 12], |
1289
|
|
|
|
1290
|
|
|
// 6 |
1291
|
|
|
[2, 86, 68], |
1292
|
|
|
[4, 43, 27], |
1293
|
|
|
[4, 43, 19], |
1294
|
|
|
[4, 43, 15], |
1295
|
|
|
|
1296
|
|
|
// 7 |
1297
|
|
|
[2, 98, 78], |
1298
|
|
|
[4, 49, 31], |
1299
|
|
|
[2, 32, 14, 4, 33, 15], |
1300
|
|
|
[4, 39, 13, 1, 40, 14], |
1301
|
|
|
|
1302
|
|
|
// 8 |
1303
|
|
|
[2, 121, 97], |
1304
|
|
|
[2, 60, 38, 2, 61, 39], |
1305
|
|
|
[4, 40, 18, 2, 41, 19], |
1306
|
|
|
[4, 40, 14, 2, 41, 15], |
1307
|
|
|
|
1308
|
|
|
// 9 |
1309
|
|
|
[2, 146, 116], |
1310
|
|
|
[3, 58, 36, 2, 59, 37], |
1311
|
|
|
[4, 36, 16, 4, 37, 17], |
1312
|
|
|
[4, 36, 12, 4, 37, 13], |
1313
|
|
|
|
1314
|
|
|
// 10 |
1315
|
|
|
[2, 86, 68, 2, 87, 69], |
1316
|
|
|
[4, 69, 43, 1, 70, 44], |
1317
|
|
|
[6, 43, 19, 2, 44, 20], |
1318
|
|
|
[6, 43, 15, 2, 44, 16], |
1319
|
|
|
|
1320
|
|
|
// 11 |
1321
|
|
|
[4, 101, 81], |
1322
|
|
|
[1, 80, 50, 4, 81, 51], |
1323
|
|
|
[4, 50, 22, 4, 51, 23], |
1324
|
|
|
[3, 36, 12, 8, 37, 13], |
1325
|
|
|
|
1326
|
|
|
// 12 |
1327
|
|
|
[2, 116, 92, 2, 117, 93], |
1328
|
|
|
[6, 58, 36, 2, 59, 37], |
1329
|
|
|
[4, 46, 20, 6, 47, 21], |
1330
|
|
|
[7, 42, 14, 4, 43, 15], |
1331
|
|
|
|
1332
|
|
|
// 13 |
1333
|
|
|
[4, 133, 107], |
1334
|
|
|
[8, 59, 37, 1, 60, 38], |
1335
|
|
|
[8, 44, 20, 4, 45, 21], |
1336
|
|
|
[12, 33, 11, 4, 34, 12], |
1337
|
|
|
|
1338
|
|
|
// 14 |
1339
|
|
|
[3, 145, 115, 1, 146, 116], |
1340
|
|
|
[4, 64, 40, 5, 65, 41], |
1341
|
|
|
[11, 36, 16, 5, 37, 17], |
1342
|
|
|
[11, 36, 12, 5, 37, 13], |
1343
|
|
|
|
1344
|
|
|
// 15 |
1345
|
|
|
[5, 109, 87, 1, 110, 88], |
1346
|
|
|
[5, 65, 41, 5, 66, 42], |
1347
|
|
|
[5, 54, 24, 7, 55, 25], |
1348
|
|
|
[11, 36, 12, 7, 37, 13], |
1349
|
|
|
|
1350
|
|
|
// 16 |
1351
|
|
|
[5, 122, 98, 1, 123, 99], |
1352
|
|
|
[7, 73, 45, 3, 74, 46], |
1353
|
|
|
[15, 43, 19, 2, 44, 20], |
1354
|
|
|
[3, 45, 15, 13, 46, 16], |
1355
|
|
|
|
1356
|
|
|
// 17 |
1357
|
|
|
[1, 135, 107, 5, 136, 108], |
1358
|
|
|
[10, 74, 46, 1, 75, 47], |
1359
|
|
|
[1, 50, 22, 15, 51, 23], |
1360
|
|
|
[2, 42, 14, 17, 43, 15], |
1361
|
|
|
|
1362
|
|
|
// 18 |
1363
|
|
|
[5, 150, 120, 1, 151, 121], |
1364
|
|
|
[9, 69, 43, 4, 70, 44], |
1365
|
|
|
[17, 50, 22, 1, 51, 23], |
1366
|
|
|
[2, 42, 14, 19, 43, 15], |
1367
|
|
|
|
1368
|
|
|
// 19 |
1369
|
|
|
[3, 141, 113, 4, 142, 114], |
1370
|
|
|
[3, 70, 44, 11, 71, 45], |
1371
|
|
|
[17, 47, 21, 4, 48, 22], |
1372
|
|
|
[9, 39, 13, 16, 40, 14], |
1373
|
|
|
|
1374
|
|
|
// 20 |
1375
|
|
|
[3, 135, 107, 5, 136, 108], |
1376
|
|
|
[3, 67, 41, 13, 68, 42], |
1377
|
|
|
[15, 54, 24, 5, 55, 25], |
1378
|
|
|
[15, 43, 15, 10, 44, 16], |
1379
|
|
|
|
1380
|
|
|
// 21 |
1381
|
|
|
[4, 144, 116, 4, 145, 117], |
1382
|
|
|
[17, 68, 42], |
1383
|
|
|
[17, 50, 22, 6, 51, 23], |
1384
|
|
|
[19, 46, 16, 6, 47, 17], |
1385
|
|
|
|
1386
|
|
|
// 22 |
1387
|
|
|
[2, 139, 111, 7, 140, 112], |
1388
|
|
|
[17, 74, 46], |
1389
|
|
|
[7, 54, 24, 16, 55, 25], |
1390
|
|
|
[34, 37, 13], |
1391
|
|
|
|
1392
|
|
|
// 23 |
1393
|
|
|
[4, 151, 121, 5, 152, 122], |
1394
|
|
|
[4, 75, 47, 14, 76, 48], |
1395
|
|
|
[11, 54, 24, 14, 55, 25], |
1396
|
|
|
[16, 45, 15, 14, 46, 16], |
1397
|
|
|
|
1398
|
|
|
// 24 |
1399
|
|
|
[6, 147, 117, 4, 148, 118], |
1400
|
|
|
[6, 73, 45, 14, 74, 46], |
1401
|
|
|
[11, 54, 24, 16, 55, 25], |
1402
|
|
|
[30, 46, 16, 2, 47, 17], |
1403
|
|
|
|
1404
|
|
|
// 25 |
1405
|
|
|
[8, 132, 106, 4, 133, 107], |
1406
|
|
|
[8, 75, 47, 13, 76, 48], |
1407
|
|
|
[7, 54, 24, 22, 55, 25], |
1408
|
|
|
[22, 45, 15, 13, 46, 16], |
1409
|
|
|
|
1410
|
|
|
// 26 |
1411
|
|
|
[10, 142, 114, 2, 143, 115], |
1412
|
|
|
[19, 74, 46, 4, 75, 47], |
1413
|
|
|
[28, 50, 22, 6, 51, 23], |
1414
|
|
|
[33, 46, 16, 4, 47, 17], |
1415
|
|
|
|
1416
|
|
|
// 27 |
1417
|
|
|
[8, 152, 122, 4, 153, 123], |
1418
|
|
|
[22, 73, 45, 3, 74, 46], |
1419
|
|
|
[8, 53, 23, 26, 54, 24], |
1420
|
|
|
[12, 45, 15, 28, 46, 16], |
1421
|
|
|
|
1422
|
|
|
// 28 |
1423
|
|
|
[3, 147, 117, 10, 148, 118], |
1424
|
|
|
[3, 73, 45, 23, 74, 46], |
1425
|
|
|
[4, 54, 24, 31, 55, 25], |
1426
|
|
|
[11, 45, 15, 31, 46, 16], |
1427
|
|
|
|
1428
|
|
|
// 29 |
1429
|
|
|
[7, 146, 116, 7, 147, 117], |
1430
|
|
|
[21, 73, 45, 7, 74, 46], |
1431
|
|
|
[1, 53, 23, 37, 54, 24], |
1432
|
|
|
[19, 45, 15, 26, 46, 16], |
1433
|
|
|
|
1434
|
|
|
// 30 |
1435
|
|
|
[5, 145, 115, 10, 146, 116], |
1436
|
|
|
[19, 75, 47, 10, 76, 48], |
1437
|
|
|
[15, 54, 24, 25, 55, 25], |
1438
|
|
|
[23, 45, 15, 25, 46, 16], |
1439
|
|
|
|
1440
|
|
|
// 31 |
1441
|
|
|
[13, 145, 115, 3, 146, 116], |
1442
|
|
|
[2, 74, 46, 29, 75, 47], |
1443
|
|
|
[42, 54, 24, 1, 55, 25], |
1444
|
|
|
[23, 45, 15, 28, 46, 16], |
1445
|
|
|
|
1446
|
|
|
// 32 |
1447
|
|
|
[17, 145, 115], |
1448
|
|
|
[10, 74, 46, 23, 75, 47], |
1449
|
|
|
[10, 54, 24, 35, 55, 25], |
1450
|
|
|
[19, 45, 15, 35, 46, 16], |
1451
|
|
|
|
1452
|
|
|
// 33 |
1453
|
|
|
[17, 145, 115, 1, 146, 116], |
1454
|
|
|
[14, 74, 46, 21, 75, 47], |
1455
|
|
|
[29, 54, 24, 19, 55, 25], |
1456
|
|
|
[11, 45, 15, 46, 46, 16], |
1457
|
|
|
|
1458
|
|
|
// 34 |
1459
|
|
|
[13, 145, 115, 6, 146, 116], |
1460
|
|
|
[14, 74, 46, 23, 75, 47], |
1461
|
|
|
[44, 54, 24, 7, 55, 25], |
1462
|
|
|
[59, 46, 16, 1, 47, 17], |
1463
|
|
|
|
1464
|
|
|
// 35 |
1465
|
|
|
[12, 151, 121, 7, 152, 122], |
1466
|
|
|
[12, 75, 47, 26, 76, 48], |
1467
|
|
|
[39, 54, 24, 14, 55, 25], |
1468
|
|
|
[22, 45, 15, 41, 46, 16], |
1469
|
|
|
|
1470
|
|
|
// 36 |
1471
|
|
|
[6, 151, 121, 14, 152, 122], |
1472
|
|
|
[6, 75, 47, 34, 76, 48], |
1473
|
|
|
[46, 54, 24, 10, 55, 25], |
1474
|
|
|
[2, 45, 15, 64, 46, 16], |
1475
|
|
|
|
1476
|
|
|
// 37 |
1477
|
|
|
[17, 152, 122, 4, 153, 123], |
1478
|
|
|
[29, 74, 46, 14, 75, 47], |
1479
|
|
|
[49, 54, 24, 10, 55, 25], |
1480
|
|
|
[24, 45, 15, 46, 46, 16], |
1481
|
|
|
|
1482
|
|
|
// 38 |
1483
|
|
|
[4, 152, 122, 18, 153, 123], |
1484
|
|
|
[13, 74, 46, 32, 75, 47], |
1485
|
|
|
[48, 54, 24, 14, 55, 25], |
1486
|
|
|
[42, 45, 15, 32, 46, 16], |
1487
|
|
|
|
1488
|
|
|
// 39 |
1489
|
|
|
[20, 147, 117, 4, 148, 118], |
1490
|
|
|
[40, 75, 47, 7, 76, 48], |
1491
|
|
|
[43, 54, 24, 22, 55, 25], |
1492
|
|
|
[10, 45, 15, 67, 46, 16], |
1493
|
|
|
|
1494
|
|
|
// 40 |
1495
|
|
|
[19, 148, 118, 6, 149, 119], |
1496
|
|
|
[18, 75, 47, 31, 76, 48], |
1497
|
|
|
[34, 54, 24, 34, 55, 25], |
1498
|
|
|
[20, 45, 15, 61, 46, 16] |
1499
|
|
|
]; |
1500
|
|
|
|
1501
|
|
|
var qrRSBlock = function(totalCount, dataCount) { |
1502
|
|
|
var _this = {}; |
1503
|
|
|
_this.totalCount = totalCount; |
1504
|
|
|
_this.dataCount = dataCount; |
1505
|
|
|
return _this; |
1506
|
|
|
}; |
1507
|
|
|
|
1508
|
|
|
var _this = {}; |
1509
|
|
|
|
1510
|
|
|
var getRsBlockTable = function(typeNumber, errorCorrectionLevel) { |
1511
|
|
|
|
1512
|
|
|
switch(errorCorrectionLevel) { |
1513
|
|
|
case QRErrorCorrectionLevel.L : |
1514
|
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]; |
1515
|
|
|
case QRErrorCorrectionLevel.M : |
1516
|
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; |
1517
|
|
|
case QRErrorCorrectionLevel.Q : |
1518
|
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; |
1519
|
|
|
case QRErrorCorrectionLevel.H : |
1520
|
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; |
1521
|
|
|
default : |
1522
|
|
|
return undefined; |
1523
|
|
|
} |
1524
|
|
|
}; |
1525
|
|
|
|
1526
|
|
|
_this.getRSBlocks = function(typeNumber, errorCorrectionLevel) { |
1527
|
|
|
|
1528
|
|
|
var rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel); |
1529
|
|
|
|
1530
|
|
|
if (typeof rsBlock == 'undefined') { |
1531
|
|
|
throw 'bad rs block @ typeNumber:' + typeNumber + |
1532
|
|
|
'/errorCorrectionLevel:' + errorCorrectionLevel; |
1533
|
|
|
} |
1534
|
|
|
|
1535
|
|
|
var length = rsBlock.length / 3; |
1536
|
|
|
|
1537
|
|
|
var list = []; |
1538
|
|
|
|
1539
|
|
|
for (var i = 0; i < length; i += 1) { |
1540
|
|
|
|
1541
|
|
|
var count = rsBlock[i * 3 + 0]; |
1542
|
|
|
var totalCount = rsBlock[i * 3 + 1]; |
1543
|
|
|
var dataCount = rsBlock[i * 3 + 2]; |
1544
|
|
|
|
1545
|
|
|
for (var j = 0; j < count; j += 1) { |
1546
|
|
|
list.push(qrRSBlock(totalCount, dataCount) ); |
1547
|
|
|
} |
1548
|
|
|
} |
1549
|
|
|
|
1550
|
|
|
return list; |
1551
|
|
|
}; |
1552
|
|
|
|
1553
|
|
|
return _this; |
1554
|
|
|
}(); |
1555
|
|
|
|
1556
|
|
|
//--------------------------------------------------------------------- |
1557
|
|
|
// qrBitBuffer |
1558
|
|
|
//--------------------------------------------------------------------- |
1559
|
|
|
|
1560
|
|
|
var qrBitBuffer = function() { |
1561
|
|
|
|
1562
|
|
|
var _buffer = []; |
1563
|
|
|
var _length = 0; |
1564
|
|
|
|
1565
|
|
|
var _this = {}; |
1566
|
|
|
|
1567
|
|
|
_this.getBuffer = function() { |
1568
|
|
|
return _buffer; |
1569
|
|
|
}; |
1570
|
|
|
|
1571
|
|
|
_this.getAt = function(index) { |
1572
|
|
|
var bufIndex = Math.floor(index / 8); |
1573
|
|
|
return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1; |
1574
|
|
|
}; |
1575
|
|
|
|
1576
|
|
|
_this.put = function(num, length) { |
1577
|
|
|
for (var i = 0; i < length; i += 1) { |
1578
|
|
|
_this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1); |
1579
|
|
|
} |
1580
|
|
|
}; |
1581
|
|
|
|
1582
|
|
|
_this.getLengthInBits = function() { |
1583
|
|
|
return _length; |
1584
|
|
|
}; |
1585
|
|
|
|
1586
|
|
|
_this.putBit = function(bit) { |
1587
|
|
|
|
1588
|
|
|
var bufIndex = Math.floor(_length / 8); |
1589
|
|
|
if (_buffer.length <= bufIndex) { |
1590
|
|
|
_buffer.push(0); |
1591
|
|
|
} |
1592
|
|
|
|
1593
|
|
|
if (bit) { |
1594
|
|
|
_buffer[bufIndex] |= (0x80 >>> (_length % 8) ); |
1595
|
|
|
} |
1596
|
|
|
|
1597
|
|
|
_length += 1; |
1598
|
|
|
}; |
1599
|
|
|
|
1600
|
|
|
return _this; |
1601
|
|
|
}; |
1602
|
|
|
|
1603
|
|
|
//--------------------------------------------------------------------- |
1604
|
|
|
// qrNumber |
1605
|
|
|
//--------------------------------------------------------------------- |
1606
|
|
|
|
1607
|
|
|
var qrNumber = function(data) { |
1608
|
|
|
|
1609
|
|
|
var _mode = QRMode.MODE_NUMBER; |
1610
|
|
|
var _data = data; |
1611
|
|
|
|
1612
|
|
|
var _this = {}; |
1613
|
|
|
|
1614
|
|
|
_this.getMode = function() { |
1615
|
|
|
return _mode; |
1616
|
|
|
}; |
1617
|
|
|
|
1618
|
|
|
_this.getLength = function(buffer) { |
1619
|
|
|
return _data.length; |
1620
|
|
|
}; |
1621
|
|
|
|
1622
|
|
|
_this.write = function(buffer) { |
1623
|
|
|
|
1624
|
|
|
var data = _data; |
1625
|
|
|
|
1626
|
|
|
var i = 0; |
1627
|
|
|
|
1628
|
|
|
while (i + 2 < data.length) { |
1629
|
|
|
buffer.put(strToNum(data.substring(i, i + 3) ), 10); |
1630
|
|
|
i += 3; |
1631
|
|
|
} |
1632
|
|
|
|
1633
|
|
|
if (i < data.length) { |
1634
|
|
|
if (data.length - i == 1) { |
1635
|
|
|
buffer.put(strToNum(data.substring(i, i + 1) ), 4); |
1636
|
|
|
} else if (data.length - i == 2) { |
1637
|
|
|
buffer.put(strToNum(data.substring(i, i + 2) ), 7); |
1638
|
|
|
} |
1639
|
|
|
} |
1640
|
|
|
}; |
1641
|
|
|
|
1642
|
|
|
var strToNum = function(s) { |
1643
|
|
|
var num = 0; |
1644
|
|
|
for (var i = 0; i < s.length; i += 1) { |
1645
|
|
|
num = num * 10 + chatToNum(s.charAt(i) ); |
1646
|
|
|
} |
1647
|
|
|
return num; |
1648
|
|
|
}; |
1649
|
|
|
|
1650
|
|
|
var chatToNum = function(c) { |
1651
|
|
|
if ('0' <= c && c <= '9') { |
1652
|
|
|
return c.charCodeAt(0) - '0'.charCodeAt(0); |
1653
|
|
|
} |
1654
|
|
|
throw 'illegal char :' + c; |
1655
|
|
|
}; |
1656
|
|
|
|
1657
|
|
|
return _this; |
1658
|
|
|
}; |
1659
|
|
|
|
1660
|
|
|
//--------------------------------------------------------------------- |
1661
|
|
|
// qrAlphaNum |
1662
|
|
|
//--------------------------------------------------------------------- |
1663
|
|
|
|
1664
|
|
|
var qrAlphaNum = function(data) { |
1665
|
|
|
|
1666
|
|
|
var _mode = QRMode.MODE_ALPHA_NUM; |
1667
|
|
|
var _data = data; |
1668
|
|
|
|
1669
|
|
|
var _this = {}; |
1670
|
|
|
|
1671
|
|
|
_this.getMode = function() { |
1672
|
|
|
return _mode; |
1673
|
|
|
}; |
1674
|
|
|
|
1675
|
|
|
_this.getLength = function(buffer) { |
1676
|
|
|
return _data.length; |
1677
|
|
|
}; |
1678
|
|
|
|
1679
|
|
|
_this.write = function(buffer) { |
1680
|
|
|
|
1681
|
|
|
var s = _data; |
1682
|
|
|
|
1683
|
|
|
var i = 0; |
1684
|
|
|
|
1685
|
|
|
while (i + 1 < s.length) { |
1686
|
|
|
buffer.put( |
1687
|
|
|
getCode(s.charAt(i) ) * 45 + |
1688
|
|
|
getCode(s.charAt(i + 1) ), 11); |
1689
|
|
|
i += 2; |
1690
|
|
|
} |
1691
|
|
|
|
1692
|
|
|
if (i < s.length) { |
1693
|
|
|
buffer.put(getCode(s.charAt(i) ), 6); |
1694
|
|
|
} |
1695
|
|
|
}; |
1696
|
|
|
|
1697
|
|
|
var getCode = function(c) { |
1698
|
|
|
|
1699
|
|
|
if ('0' <= c && c <= '9') { |
1700
|
|
|
return c.charCodeAt(0) - '0'.charCodeAt(0); |
1701
|
|
|
} else if ('A' <= c && c <= 'Z') { |
1702
|
|
|
return c.charCodeAt(0) - 'A'.charCodeAt(0) + 10; |
1703
|
|
|
} else { |
1704
|
|
|
switch (c) { |
1705
|
|
|
case ' ' : return 36; |
1706
|
|
|
case '$' : return 37; |
1707
|
|
|
case '%' : return 38; |
1708
|
|
|
case '*' : return 39; |
1709
|
|
|
case '+' : return 40; |
1710
|
|
|
case '-' : return 41; |
1711
|
|
|
case '.' : return 42; |
1712
|
|
|
case '/' : return 43; |
1713
|
|
|
case ':' : return 44; |
1714
|
|
|
default : |
1715
|
|
|
throw 'illegal char :' + c; |
1716
|
|
|
} |
1717
|
|
|
} |
1718
|
|
|
}; |
1719
|
|
|
|
1720
|
|
|
return _this; |
1721
|
|
|
}; |
1722
|
|
|
|
1723
|
|
|
//--------------------------------------------------------------------- |
1724
|
|
|
// qr8BitByte |
1725
|
|
|
//--------------------------------------------------------------------- |
1726
|
|
|
|
1727
|
|
|
var qr8BitByte = function(data) { |
1728
|
|
|
|
1729
|
|
|
var _mode = QRMode.MODE_8BIT_BYTE; |
1730
|
|
|
var _data = data; |
|
|
|
|
1731
|
|
|
var _bytes = qrcode.stringToBytes(data); |
1732
|
|
|
|
1733
|
|
|
var _this = {}; |
1734
|
|
|
|
1735
|
|
|
_this.getMode = function() { |
1736
|
|
|
return _mode; |
1737
|
|
|
}; |
1738
|
|
|
|
1739
|
|
|
_this.getLength = function(buffer) { |
1740
|
|
|
return _bytes.length; |
1741
|
|
|
}; |
1742
|
|
|
|
1743
|
|
|
_this.write = function(buffer) { |
1744
|
|
|
for (var i = 0; i < _bytes.length; i += 1) { |
1745
|
|
|
buffer.put(_bytes[i], 8); |
1746
|
|
|
} |
1747
|
|
|
}; |
1748
|
|
|
|
1749
|
|
|
return _this; |
1750
|
|
|
}; |
1751
|
|
|
|
1752
|
|
|
//--------------------------------------------------------------------- |
1753
|
|
|
// qrKanji |
1754
|
|
|
//--------------------------------------------------------------------- |
1755
|
|
|
|
1756
|
|
|
var qrKanji = function(data) { |
1757
|
|
|
|
1758
|
|
|
var _mode = QRMode.MODE_KANJI; |
1759
|
|
|
var _data = data; |
|
|
|
|
1760
|
|
|
|
1761
|
|
|
var stringToBytes = qrcode.stringToBytesFuncs['SJIS']; |
1762
|
|
|
if (!stringToBytes) { |
1763
|
|
|
throw 'sjis not supported.'; |
1764
|
|
|
} |
1765
|
|
|
!function(c, code) { |
1766
|
|
|
// self test for sjis support. |
1767
|
|
|
var test = stringToBytes(c); |
1768
|
|
|
if (test.length != 2 || ( (test[0] << 8) | test[1]) != code) { |
1769
|
|
|
throw 'sjis not supported.'; |
1770
|
|
|
} |
1771
|
|
|
}('\u53cb', 0x9746); |
1772
|
|
|
|
1773
|
|
|
var _bytes = stringToBytes(data); |
1774
|
|
|
|
1775
|
|
|
var _this = {}; |
1776
|
|
|
|
1777
|
|
|
_this.getMode = function() { |
1778
|
|
|
return _mode; |
1779
|
|
|
}; |
1780
|
|
|
|
1781
|
|
|
_this.getLength = function(buffer) { |
1782
|
|
|
return ~~(_bytes.length / 2); |
1783
|
|
|
}; |
1784
|
|
|
|
1785
|
|
|
_this.write = function(buffer) { |
1786
|
|
|
|
1787
|
|
|
var data = _bytes; |
1788
|
|
|
|
1789
|
|
|
var i = 0; |
1790
|
|
|
|
1791
|
|
|
while (i + 1 < data.length) { |
1792
|
|
|
|
1793
|
|
|
var c = ( (0xff & data[i]) << 8) | (0xff & data[i + 1]); |
1794
|
|
|
|
1795
|
|
|
if (0x8140 <= c && c <= 0x9FFC) { |
1796
|
|
|
c -= 0x8140; |
1797
|
|
|
} else if (0xE040 <= c && c <= 0xEBBF) { |
1798
|
|
|
c -= 0xC140; |
1799
|
|
|
} else { |
1800
|
|
|
throw 'illegal char at ' + (i + 1) + '/' + c; |
1801
|
|
|
} |
1802
|
|
|
|
1803
|
|
|
c = ( (c >>> 8) & 0xff) * 0xC0 + (c & 0xff); |
1804
|
|
|
|
1805
|
|
|
buffer.put(c, 13); |
1806
|
|
|
|
1807
|
|
|
i += 2; |
1808
|
|
|
} |
1809
|
|
|
|
1810
|
|
|
if (i < data.length) { |
1811
|
|
|
throw 'illegal char at ' + (i + 1); |
1812
|
|
|
} |
1813
|
|
|
}; |
1814
|
|
|
|
1815
|
|
|
return _this; |
1816
|
|
|
}; |
1817
|
|
|
|
1818
|
|
|
//===================================================================== |
1819
|
|
|
// GIF Support etc. |
1820
|
|
|
// |
1821
|
|
|
|
1822
|
|
|
//--------------------------------------------------------------------- |
1823
|
|
|
// byteArrayOutputStream |
1824
|
|
|
//--------------------------------------------------------------------- |
1825
|
|
|
|
1826
|
|
|
var byteArrayOutputStream = function() { |
1827
|
|
|
|
1828
|
|
|
var _bytes = []; |
1829
|
|
|
|
1830
|
|
|
var _this = {}; |
1831
|
|
|
|
1832
|
|
|
_this.writeByte = function(b) { |
1833
|
|
|
_bytes.push(b & 0xff); |
1834
|
|
|
}; |
1835
|
|
|
|
1836
|
|
|
_this.writeShort = function(i) { |
1837
|
|
|
_this.writeByte(i); |
1838
|
|
|
_this.writeByte(i >>> 8); |
1839
|
|
|
}; |
1840
|
|
|
|
1841
|
|
|
_this.writeBytes = function(b, off, len) { |
1842
|
|
|
off = off || 0; |
1843
|
|
|
len = len || b.length; |
1844
|
|
|
for (var i = 0; i < len; i += 1) { |
1845
|
|
|
_this.writeByte(b[i + off]); |
1846
|
|
|
} |
1847
|
|
|
}; |
1848
|
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|
1849
|
|
|
_this.writeString = function(s) { |
1850
|
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|
for (var i = 0; i < s.length; i += 1) { |
1851
|
|
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_this.writeByte(s.charCodeAt(i) ); |
1852
|
|
|
} |
1853
|
|
|
}; |
1854
|
|
|
|
1855
|
|
|
_this.toByteArray = function() { |
1856
|
|
|
return _bytes; |
1857
|
|
|
}; |
1858
|
|
|
|
1859
|
|
|
_this.toString = function() { |
1860
|
|
|
var s = ''; |
1861
|
|
|
s += '['; |
1862
|
|
|
for (var i = 0; i < _bytes.length; i += 1) { |
1863
|
|
|
if (i > 0) { |
1864
|
|
|
s += ','; |
1865
|
|
|
} |
1866
|
|
|
s += _bytes[i]; |
1867
|
|
|
} |
1868
|
|
|
s += ']'; |
1869
|
|
|
return s; |
1870
|
|
|
}; |
1871
|
|
|
|
1872
|
|
|
return _this; |
1873
|
|
|
}; |
1874
|
|
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|
1875
|
|
|
//--------------------------------------------------------------------- |
1876
|
|
|
// base64EncodeOutputStream |
1877
|
|
|
//--------------------------------------------------------------------- |
1878
|
|
|
|
1879
|
|
|
var base64EncodeOutputStream = function() { |
1880
|
|
|
|
1881
|
|
|
var _buffer = 0; |
1882
|
|
|
var _buflen = 0; |
1883
|
|
|
var _length = 0; |
1884
|
|
|
var _base64 = ''; |
1885
|
|
|
|
1886
|
|
|
var _this = {}; |
1887
|
|
|
|
1888
|
|
|
var writeEncoded = function(b) { |
1889
|
|
|
_base64 += String.fromCharCode(encode(b & 0x3f) ); |
1890
|
|
|
}; |
1891
|
|
|
|
1892
|
|
|
var encode = function(n) { |
1893
|
|
|
if (n < 0) { |
|
|
|
|
1894
|
|
|
// error. |
1895
|
|
|
} else if (n < 26) { |
1896
|
|
|
return 0x41 + n; |
1897
|
|
|
} else if (n < 52) { |
1898
|
|
|
return 0x61 + (n - 26); |
1899
|
|
|
} else if (n < 62) { |
1900
|
|
|
return 0x30 + (n - 52); |
1901
|
|
|
} else if (n == 62) { |
1902
|
|
|
return 0x2b; |
1903
|
|
|
} else if (n == 63) { |
1904
|
|
|
return 0x2f; |
1905
|
|
|
} |
1906
|
|
|
throw 'n:' + n; |
1907
|
|
|
}; |
1908
|
|
|
|
1909
|
|
|
_this.writeByte = function(n) { |
1910
|
|
|
|
1911
|
|
|
_buffer = (_buffer << 8) | (n & 0xff); |
1912
|
|
|
_buflen += 8; |
1913
|
|
|
_length += 1; |
1914
|
|
|
|
1915
|
|
|
while (_buflen >= 6) { |
|
|
|
|
1916
|
|
|
writeEncoded(_buffer >>> (_buflen - 6) ); |
1917
|
|
|
_buflen -= 6; |
1918
|
|
|
} |
1919
|
|
|
}; |
1920
|
|
|
|
1921
|
|
|
_this.flush = function() { |
1922
|
|
|
|
1923
|
|
|
if (_buflen > 0) { |
1924
|
|
|
writeEncoded(_buffer << (6 - _buflen) ); |
1925
|
|
|
_buffer = 0; |
1926
|
|
|
_buflen = 0; |
1927
|
|
|
} |
1928
|
|
|
|
1929
|
|
|
if (_length % 3 != 0) { |
1930
|
|
|
// padding |
1931
|
|
|
var padlen = 3 - _length % 3; |
1932
|
|
|
for (var i = 0; i < padlen; i += 1) { |
1933
|
|
|
_base64 += '='; |
|
|
|
|
1934
|
|
|
} |
1935
|
|
|
} |
1936
|
|
|
}; |
1937
|
|
|
|
1938
|
|
|
_this.toString = function() { |
1939
|
|
|
return _base64; |
1940
|
|
|
}; |
1941
|
|
|
|
1942
|
|
|
return _this; |
1943
|
|
|
}; |
1944
|
|
|
|
1945
|
|
|
//--------------------------------------------------------------------- |
1946
|
|
|
// base64DecodeInputStream |
1947
|
|
|
//--------------------------------------------------------------------- |
1948
|
|
|
|
1949
|
|
|
var base64DecodeInputStream = function(str) { |
1950
|
|
|
|
1951
|
|
|
var _str = str; |
1952
|
|
|
var _pos = 0; |
1953
|
|
|
var _buffer = 0; |
1954
|
|
|
var _buflen = 0; |
1955
|
|
|
|
1956
|
|
|
var _this = {}; |
1957
|
|
|
|
1958
|
|
|
_this.read = function() { |
1959
|
|
|
|
1960
|
|
|
while (_buflen < 8) { |
|
|
|
|
1961
|
|
|
|
1962
|
|
|
if (_pos >= _str.length) { |
|
|
|
|
1963
|
|
|
if (_buflen == 0) { |
1964
|
|
|
return -1; |
1965
|
|
|
} |
1966
|
|
|
throw 'unexpected end of file./' + _buflen; |
1967
|
|
|
} |
1968
|
|
|
|
1969
|
|
|
var c = _str.charAt(_pos); |
1970
|
|
|
_pos += 1; |
1971
|
|
|
|
1972
|
|
|
if (c == '=') { |
1973
|
|
|
_buflen = 0; |
1974
|
|
|
return -1; |
1975
|
|
|
} else if (c.match(/^\s$/) ) { |
1976
|
|
|
// ignore if whitespace. |
1977
|
|
|
continue; |
1978
|
|
|
} |
1979
|
|
|
|
1980
|
|
|
_buffer = (_buffer << 6) | decode(c.charCodeAt(0) ); |
|
|
|
|
1981
|
|
|
_buflen += 6; |
1982
|
|
|
} |
1983
|
|
|
|
1984
|
|
|
var n = (_buffer >>> (_buflen - 8) ) & 0xff; |
1985
|
|
|
_buflen -= 8; |
1986
|
|
|
return n; |
1987
|
|
|
}; |
1988
|
|
|
|
1989
|
|
|
var decode = function(c) { |
1990
|
|
|
if (0x41 <= c && c <= 0x5a) { |
1991
|
|
|
return c - 0x41; |
1992
|
|
|
} else if (0x61 <= c && c <= 0x7a) { |
1993
|
|
|
return c - 0x61 + 26; |
1994
|
|
|
} else if (0x30 <= c && c <= 0x39) { |
1995
|
|
|
return c - 0x30 + 52; |
1996
|
|
|
} else if (c == 0x2b) { |
1997
|
|
|
return 62; |
1998
|
|
|
} else if (c == 0x2f) { |
1999
|
|
|
return 63; |
2000
|
|
|
} else { |
2001
|
|
|
throw 'c:' + c; |
2002
|
|
|
} |
2003
|
|
|
}; |
2004
|
|
|
|
2005
|
|
|
return _this; |
2006
|
|
|
}; |
2007
|
|
|
|
2008
|
|
|
//--------------------------------------------------------------------- |
2009
|
|
|
// gifImage (B/W) |
2010
|
|
|
//--------------------------------------------------------------------- |
2011
|
|
|
|
2012
|
|
|
var gifImage = function(width, height) { |
2013
|
|
|
|
2014
|
|
|
var _width = width; |
2015
|
|
|
var _height = height; |
2016
|
|
|
var _data = new Array(width * height); |
2017
|
|
|
|
2018
|
|
|
var _this = {}; |
2019
|
|
|
|
2020
|
|
|
_this.setPixel = function(x, y, pixel) { |
2021
|
|
|
_data[y * _width + x] = pixel; |
2022
|
|
|
}; |
2023
|
|
|
|
2024
|
|
|
_this.write = function(out) { |
2025
|
|
|
|
2026
|
|
|
//--------------------------------- |
2027
|
|
|
// GIF Signature |
2028
|
|
|
|
2029
|
|
|
out.writeString('GIF87a'); |
2030
|
|
|
|
2031
|
|
|
//--------------------------------- |
2032
|
|
|
// Screen Descriptor |
2033
|
|
|
|
2034
|
|
|
out.writeShort(_width); |
2035
|
|
|
out.writeShort(_height); |
2036
|
|
|
|
2037
|
|
|
out.writeByte(0x80); // 2bit |
2038
|
|
|
out.writeByte(0); |
2039
|
|
|
out.writeByte(0); |
2040
|
|
|
|
2041
|
|
|
//--------------------------------- |
2042
|
|
|
// Global Color Map |
2043
|
|
|
|
2044
|
|
|
// black |
2045
|
|
|
out.writeByte(0x00); |
2046
|
|
|
out.writeByte(0x00); |
2047
|
|
|
out.writeByte(0x00); |
2048
|
|
|
|
2049
|
|
|
// white |
2050
|
|
|
out.writeByte(0xff); |
2051
|
|
|
out.writeByte(0xff); |
2052
|
|
|
out.writeByte(0xff); |
2053
|
|
|
|
2054
|
|
|
//--------------------------------- |
2055
|
|
|
// Image Descriptor |
2056
|
|
|
|
2057
|
|
|
out.writeString(','); |
2058
|
|
|
out.writeShort(0); |
2059
|
|
|
out.writeShort(0); |
2060
|
|
|
out.writeShort(_width); |
2061
|
|
|
out.writeShort(_height); |
2062
|
|
|
out.writeByte(0); |
2063
|
|
|
|
2064
|
|
|
//--------------------------------- |
2065
|
|
|
// Local Color Map |
2066
|
|
|
|
2067
|
|
|
//--------------------------------- |
2068
|
|
|
// Raster Data |
2069
|
|
|
|
2070
|
|
|
var lzwMinCodeSize = 2; |
2071
|
|
|
var raster = getLZWRaster(lzwMinCodeSize); |
2072
|
|
|
|
2073
|
|
|
out.writeByte(lzwMinCodeSize); |
2074
|
|
|
|
2075
|
|
|
var offset = 0; |
2076
|
|
|
|
2077
|
|
|
while (raster.length - offset > 255) { |
2078
|
|
|
out.writeByte(255); |
2079
|
|
|
out.writeBytes(raster, offset, 255); |
2080
|
|
|
offset += 255; |
2081
|
|
|
} |
2082
|
|
|
|
2083
|
|
|
out.writeByte(raster.length - offset); |
2084
|
|
|
out.writeBytes(raster, offset, raster.length - offset); |
2085
|
|
|
out.writeByte(0x00); |
2086
|
|
|
|
2087
|
|
|
//--------------------------------- |
2088
|
|
|
// GIF Terminator |
2089
|
|
|
out.writeString(';'); |
2090
|
|
|
}; |
2091
|
|
|
|
2092
|
|
|
var bitOutputStream = function(out) { |
2093
|
|
|
|
2094
|
|
|
var _out = out; |
2095
|
|
|
var _bitLength = 0; |
2096
|
|
|
var _bitBuffer = 0; |
2097
|
|
|
|
2098
|
|
|
var _this = {}; |
2099
|
|
|
|
2100
|
|
|
_this.write = function(data, length) { |
2101
|
|
|
|
2102
|
|
|
if ( (data >>> length) != 0) { |
2103
|
|
|
throw 'length over'; |
2104
|
|
|
} |
2105
|
|
|
|
2106
|
|
|
while (_bitLength + length >= 8) { |
|
|
|
|
2107
|
|
|
_out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) ); |
|
|
|
|
2108
|
|
|
length -= (8 - _bitLength); |
2109
|
|
|
data >>>= (8 - _bitLength); |
2110
|
|
|
_bitBuffer = 0; |
2111
|
|
|
_bitLength = 0; |
2112
|
|
|
} |
2113
|
|
|
|
2114
|
|
|
_bitBuffer = (data << _bitLength) | _bitBuffer; |
2115
|
|
|
_bitLength = _bitLength + length; |
2116
|
|
|
}; |
2117
|
|
|
|
2118
|
|
|
_this.flush = function() { |
2119
|
|
|
if (_bitLength > 0) { |
2120
|
|
|
_out.writeByte(_bitBuffer); |
2121
|
|
|
} |
2122
|
|
|
}; |
2123
|
|
|
|
2124
|
|
|
return _this; |
2125
|
|
|
}; |
2126
|
|
|
|
2127
|
|
|
var getLZWRaster = function(lzwMinCodeSize) { |
2128
|
|
|
|
2129
|
|
|
var clearCode = 1 << lzwMinCodeSize; |
2130
|
|
|
var endCode = (1 << lzwMinCodeSize) + 1; |
2131
|
|
|
var bitLength = lzwMinCodeSize + 1; |
2132
|
|
|
|
2133
|
|
|
// Setup LZWTable |
2134
|
|
|
var table = lzwTable(); |
2135
|
|
|
|
2136
|
|
|
for (var i = 0; i < clearCode; i += 1) { |
2137
|
|
|
table.add(String.fromCharCode(i) ); |
2138
|
|
|
} |
2139
|
|
|
table.add(String.fromCharCode(clearCode) ); |
2140
|
|
|
table.add(String.fromCharCode(endCode) ); |
2141
|
|
|
|
2142
|
|
|
var byteOut = byteArrayOutputStream(); |
2143
|
|
|
var bitOut = bitOutputStream(byteOut); |
2144
|
|
|
|
2145
|
|
|
// clear code |
2146
|
|
|
bitOut.write(clearCode, bitLength); |
2147
|
|
|
|
2148
|
|
|
var dataIndex = 0; |
2149
|
|
|
|
2150
|
|
|
var s = String.fromCharCode(_data[dataIndex]); |
2151
|
|
|
dataIndex += 1; |
2152
|
|
|
|
2153
|
|
|
while (dataIndex < _data.length) { |
2154
|
|
|
|
2155
|
|
|
var c = String.fromCharCode(_data[dataIndex]); |
2156
|
|
|
dataIndex += 1; |
2157
|
|
|
|
2158
|
|
|
if (table.contains(s + c) ) { |
2159
|
|
|
|
2160
|
|
|
s = s + c; |
2161
|
|
|
|
2162
|
|
|
} else { |
2163
|
|
|
|
2164
|
|
|
bitOut.write(table.indexOf(s), bitLength); |
2165
|
|
|
|
2166
|
|
|
if (table.size() < 0xfff) { |
2167
|
|
|
|
2168
|
|
|
if (table.size() == (1 << bitLength) ) { |
2169
|
|
|
bitLength += 1; |
2170
|
|
|
} |
2171
|
|
|
|
2172
|
|
|
table.add(s + c); |
2173
|
|
|
} |
2174
|
|
|
|
2175
|
|
|
s = c; |
2176
|
|
|
} |
2177
|
|
|
} |
2178
|
|
|
|
2179
|
|
|
bitOut.write(table.indexOf(s), bitLength); |
2180
|
|
|
|
2181
|
|
|
// end code |
2182
|
|
|
bitOut.write(endCode, bitLength); |
2183
|
|
|
|
2184
|
|
|
bitOut.flush(); |
2185
|
|
|
|
2186
|
|
|
return byteOut.toByteArray(); |
2187
|
|
|
}; |
2188
|
|
|
|
2189
|
|
|
var lzwTable = function() { |
2190
|
|
|
|
2191
|
|
|
var _map = {}; |
2192
|
|
|
var _size = 0; |
2193
|
|
|
|
2194
|
|
|
var _this = {}; |
2195
|
|
|
|
2196
|
|
|
_this.add = function(key) { |
2197
|
|
|
if (_this.contains(key) ) { |
2198
|
|
|
throw 'dup key:' + key; |
2199
|
|
|
} |
2200
|
|
|
_map[key] = _size; |
2201
|
|
|
_size += 1; |
2202
|
|
|
}; |
2203
|
|
|
|
2204
|
|
|
_this.size = function() { |
2205
|
|
|
return _size; |
2206
|
|
|
}; |
2207
|
|
|
|
2208
|
|
|
_this.indexOf = function(key) { |
2209
|
|
|
return _map[key]; |
2210
|
|
|
}; |
2211
|
|
|
|
2212
|
|
|
_this.contains = function(key) { |
2213
|
|
|
return typeof _map[key] != 'undefined'; |
2214
|
|
|
}; |
2215
|
|
|
|
2216
|
|
|
return _this; |
2217
|
|
|
}; |
2218
|
|
|
|
2219
|
|
|
return _this; |
2220
|
|
|
}; |
2221
|
|
|
|
2222
|
|
|
var createDataURL = function(width, height, getPixel) { |
2223
|
|
|
var gif = gifImage(width, height); |
2224
|
|
|
for (var y = 0; y < height; y += 1) { |
2225
|
|
|
for (var x = 0; x < width; x += 1) { |
2226
|
|
|
gif.setPixel(x, y, getPixel(x, y) ); |
2227
|
|
|
} |
2228
|
|
|
} |
2229
|
|
|
|
2230
|
|
|
var b = byteArrayOutputStream(); |
2231
|
|
|
gif.write(b); |
2232
|
|
|
|
2233
|
|
|
var base64 = base64EncodeOutputStream(); |
2234
|
|
|
var bytes = b.toByteArray(); |
2235
|
|
|
for (var i = 0; i < bytes.length; i += 1) { |
2236
|
|
|
base64.writeByte(bytes[i]); |
2237
|
|
|
} |
2238
|
|
|
base64.flush(); |
2239
|
|
|
|
2240
|
|
|
return 'data:image/gif;base64,' + base64; |
2241
|
|
|
}; |
2242
|
|
|
|
2243
|
|
|
//--------------------------------------------------------------------- |
2244
|
|
|
// returns qrcode function. |
2245
|
|
|
|
2246
|
|
|
return qrcode; |
2247
|
|
|
}(); |
2248
|
|
|
|
2249
|
|
|
// multibyte support |
2250
|
|
|
!function() { |
2251
|
|
|
|
2252
|
|
|
qrcode.stringToBytesFuncs['UTF-8'] = function(s) { |
2253
|
|
|
// http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array |
2254
|
|
|
function toUTF8Array(str) { |
2255
|
|
|
var utf8 = []; |
2256
|
|
|
for (var i=0; i < str.length; i++) { |
2257
|
|
|
var charcode = str.charCodeAt(i); |
2258
|
|
|
if (charcode < 0x80) utf8.push(charcode); |
2259
|
|
|
else if (charcode < 0x800) { |
2260
|
|
|
utf8.push(0xc0 | (charcode >> 6), |
2261
|
|
|
0x80 | (charcode & 0x3f)); |
2262
|
|
|
} |
2263
|
|
|
else if (charcode < 0xd800 || charcode >= 0xe000) { |
2264
|
|
|
utf8.push(0xe0 | (charcode >> 12), |
2265
|
|
|
0x80 | ((charcode>>6) & 0x3f), |
2266
|
|
|
0x80 | (charcode & 0x3f)); |
2267
|
|
|
} |
2268
|
|
|
// surrogate pair |
2269
|
|
|
else { |
2270
|
|
|
i++; |
|
|
|
|
2271
|
|
|
// UTF-16 encodes 0x10000-0x10FFFF by |
2272
|
|
|
// subtracting 0x10000 and splitting the |
2273
|
|
|
// 20 bits of 0x0-0xFFFFF into two halves |
2274
|
|
|
charcode = 0x10000 + (((charcode & 0x3ff)<<10) |
2275
|
|
|
| (str.charCodeAt(i) & 0x3ff)); |
2276
|
|
|
utf8.push(0xf0 | (charcode >>18), |
2277
|
|
|
0x80 | ((charcode>>12) & 0x3f), |
2278
|
|
|
0x80 | ((charcode>>6) & 0x3f), |
2279
|
|
|
0x80 | (charcode & 0x3f)); |
2280
|
|
|
} |
2281
|
|
|
} |
2282
|
|
|
return utf8; |
2283
|
|
|
} |
2284
|
|
|
return toUTF8Array(s); |
2285
|
|
|
}; |
2286
|
|
|
|
2287
|
|
|
}(); |
2288
|
|
|
|
2289
|
|
|
(function (factory) { |
2290
|
|
|
if (typeof define === 'function' && define.amd) { |
2291
|
|
|
define([], factory); |
2292
|
|
|
} else if (typeof exports === 'object') { |
2293
|
|
|
module.exports = factory(); |
2294
|
|
|
} |
2295
|
|
|
}(function () { |
2296
|
|
|
return qrcode; |
2297
|
|
|
})); |
2298
|
|
|
|