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/* jQuery.qrcode 0.11.0 - http://larsjung.de/jquery-qrcode/ - uses //github.com/kazuhikoarase/qrcode-generator (MIT) */ |
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(function () { |
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'use strict'; |
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|
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var $ = jQuery; |
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|
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// Wrapper for the original QR code generator. |
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function QRCode(text, level, version, quiet) { |
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|
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// `qrcode` is the single public function that will be defined by the `QR Code Generator` |
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// at the end of the file. |
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var qr = qrcode(version, level); |
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qr.addData(text); |
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qr.make(); |
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|
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quiet = quiet || 0; |
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|
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var qrModuleCount = qr.getModuleCount(); |
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var quietModuleCount = qr.getModuleCount() + 2*quiet; |
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|
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function isDark(row, col) { |
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|
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row -= quiet; |
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col -= quiet; |
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|
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if (row < 0 || row >= qrModuleCount || col < 0 || col >= qrModuleCount) { |
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return false; |
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} |
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|
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return qr.isDark(row, col); |
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} |
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|
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var addBlank = function (l, t, r, b) { |
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|
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var prevIsDark = this.isDark; |
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var moduleSize = 1 / quietModuleCount; |
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|
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this.isDark = function (row, col) { |
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|
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var ml = col * moduleSize; |
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var mt = row * moduleSize; |
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var mr = ml + moduleSize; |
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var mb = mt + moduleSize; |
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|
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return prevIsDark(row, col) && (l > mr || ml > r || t > mb || mt > b); |
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}; |
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}; |
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|
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this.text = text; |
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this.level = level; |
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this.version = version; |
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this.moduleCount = quietModuleCount; |
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this.isDark = isDark; |
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this.addBlank = addBlank; |
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} |
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|
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// Check if canvas is available in the browser (as Modernizr does) |
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var hasCanvas = (function () { |
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|
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var elem = document.createElement('canvas'); |
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return !!(elem.getContext && elem.getContext('2d')); |
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}()); |
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var hasArcTo = Object.prototype.toString.call(window.opera) !== '[object Opera]'; |
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|
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// Returns a minimal QR code for the given text starting with version `minVersion`. |
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// Returns `undefined` if `text` is too long to be encoded in `maxVersion`. |
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function createQRCode(text, level, minVersion, maxVersion, quiet) { |
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|
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minVersion = Math.max(1, minVersion || 1); |
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maxVersion = Math.min(40, maxVersion || 40); |
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for (var version = minVersion; version <= maxVersion; version += 1) { |
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try { |
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return new QRCode(text, level, version, quiet); |
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} catch (err) {} |
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} |
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} |
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|
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function drawBackgroundLabel(qr, context, settings) { |
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|
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var size = settings.size; |
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var font = "bold " + (settings.mSize * size) + "px " + settings.fontname; |
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var ctx = $('<canvas/>')[0].getContext("2d"); |
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|
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ctx.font = font; |
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|
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var w = ctx.measureText(settings.label).width; |
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var sh = settings.mSize; |
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var sw = w / size; |
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var sl = (1 - sw) * settings.mPosX; |
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var st = (1 - sh) * settings.mPosY; |
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var sr = sl + sw; |
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var sb = st + sh; |
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var pad = 0.01; |
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|
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if (settings.mode === 1) { |
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// Strip |
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qr.addBlank(0, st - pad, size, sb + pad); |
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} else { |
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// Box |
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qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad); |
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} |
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|
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context.fillStyle = settings.fontcolor; |
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context.font = font; |
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context.fillText(settings.label, sl*size, st*size + 0.75 * settings.mSize * size); |
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} |
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|
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function drawBackgroundImage(qr, context, settings) { |
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|
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var size = settings.size; |
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var w = settings.image.naturalWidth || 1; |
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var h = settings.image.naturalHeight || 1; |
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var sh = settings.mSize; |
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var sw = sh * w / h; |
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var sl = (1 - sw) * settings.mPosX; |
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var st = (1 - sh) * settings.mPosY; |
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var sr = sl + sw; |
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var sb = st + sh; |
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var pad = 0.01; |
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|
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if (settings.mode === 3) { |
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// Strip |
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qr.addBlank(0, st - pad, size, sb + pad); |
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} else { |
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// Box |
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qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad); |
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} |
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|
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context.drawImage(settings.image, sl*size, st*size, sw*size, sh*size); |
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} |
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|
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function drawBackground(qr, context, settings) { |
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|
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if ($(settings.background).is('img')) { |
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context.drawImage(settings.background, 0, 0, settings.size, settings.size); |
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} else if (settings.background) { |
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context.fillStyle = settings.background; |
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context.fillRect(settings.left, settings.top, settings.size, settings.size); |
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} |
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|
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var mode = settings.mode; |
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if (mode === 1 || mode === 2) { |
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drawBackgroundLabel(qr, context, settings); |
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} else if (mode === 3 || mode === 4) { |
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drawBackgroundImage(qr, context, settings); |
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} |
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} |
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|
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function drawModuleDefault(qr, context, settings, left, top, width, row, col) { |
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|
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if (qr.isDark(row, col)) { |
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context.rect(left, top, width, width); |
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} |
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} |
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|
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function drawModuleRoundedDark(ctx, l, t, r, b, rad, nw, ne, se, sw) { |
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|
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if (nw) { |
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ctx.moveTo(l + rad, t); |
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} else { |
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ctx.moveTo(l, t); |
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} |
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|
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if (ne) { |
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ctx.lineTo(r - rad, t); |
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ctx.arcTo(r, t, r, b, rad); |
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} else { |
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ctx.lineTo(r, t); |
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} |
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|
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if (se) { |
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ctx.lineTo(r, b - rad); |
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ctx.arcTo(r, b, l, b, rad); |
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} else { |
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ctx.lineTo(r, b); |
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} |
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|
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if (sw) { |
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ctx.lineTo(l + rad, b); |
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ctx.arcTo(l, b, l, t, rad); |
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} else { |
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ctx.lineTo(l, b); |
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} |
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|
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if (nw) { |
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ctx.lineTo(l, t + rad); |
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ctx.arcTo(l, t, r, t, rad); |
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} else { |
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ctx.lineTo(l, t); |
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} |
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} |
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|
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function drawModuleRoundendLight(ctx, l, t, r, b, rad, nw, ne, se, sw) { |
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|
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if (nw) { |
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ctx.moveTo(l + rad, t); |
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ctx.lineTo(l, t); |
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ctx.lineTo(l, t + rad); |
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ctx.arcTo(l, t, l + rad, t, rad); |
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} |
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|
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if (ne) { |
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ctx.moveTo(r - rad, t); |
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ctx.lineTo(r, t); |
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ctx.lineTo(r, t + rad); |
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ctx.arcTo(r, t, r - rad, t, rad); |
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} |
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|
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if (se) { |
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ctx.moveTo(r - rad, b); |
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ctx.lineTo(r, b); |
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ctx.lineTo(r, b - rad); |
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ctx.arcTo(r, b, r - rad, b, rad); |
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} |
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|
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if (sw) { |
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ctx.moveTo(l + rad, b); |
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ctx.lineTo(l, b); |
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ctx.lineTo(l, b - rad); |
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ctx.arcTo(l, b, l + rad, b, rad); |
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} |
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} |
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|
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function drawModuleRounded(qr, context, settings, left, top, width, row, col) { |
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|
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var isDark = qr.isDark; |
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var right = left + width; |
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var bottom = top + width; |
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var radius = settings.radius * width; |
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var rowT = row - 1; |
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var rowB = row + 1; |
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var colL = col - 1; |
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var colR = col + 1; |
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var center = isDark(row, col); |
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var northwest = isDark(rowT, colL); |
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var north = isDark(rowT, col); |
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var northeast = isDark(rowT, colR); |
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var east = isDark(row, colR); |
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var southeast = isDark(rowB, colR); |
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var south = isDark(rowB, col); |
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var southwest = isDark(rowB, colL); |
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var west = isDark(row, colL); |
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|
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if (center) { |
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drawModuleRoundedDark(context, left, top, right, bottom, radius, !north && !west, !north && !east, !south && !east, !south && !west); |
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} else { |
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drawModuleRoundendLight(context, left, top, right, bottom, radius, north && west && northwest, north && east && northeast, south && east && southeast, south && west && southwest); |
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} |
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} |
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|
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function drawModules(qr, context, settings) { |
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|
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var moduleCount = qr.moduleCount; |
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var moduleSize = settings.size / moduleCount; |
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var fn = drawModuleDefault; |
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var row, col; |
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|
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if (hasArcTo && settings.radius > 0 && settings.radius <= 0.5) { |
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fn = drawModuleRounded; |
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} |
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|
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context.beginPath(); |
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for (row = 0; row < moduleCount; row += 1) { |
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for (col = 0; col < moduleCount; col += 1) { |
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|
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var l = settings.left + col * moduleSize, |
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t = settings.top + row * moduleSize, |
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w = moduleSize; |
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|
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fn(qr, context, settings, l, t, w, row, col); |
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} |
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} |
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if ($(settings.fill).is('img')) { |
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context.strokeStyle = 'rgba(0,0,0,0.5)'; |
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context.lineWidth = 2; |
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context.stroke(); |
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var prev = context.globalCompositeOperation; |
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context.globalCompositeOperation = "destination-out"; |
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context.fill(); |
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context.globalCompositeOperation = prev; |
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|
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context.clip(); |
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context.drawImage(settings.fill, 0, 0, settings.size, settings.size); |
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context.restore(); |
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} else { |
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context.fillStyle = settings.fill; |
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context.fill(); |
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} |
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} |
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|
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// Draws QR code to the given `canvas` and returns it. |
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function drawOnCanvas(canvas, settings) { |
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|
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var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); |
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if (!qr) { |
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return null; |
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} |
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|
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var $canvas = $(canvas).data('qrcode', qr); |
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var context = $canvas[0].getContext('2d'); |
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|
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drawBackground(qr, context, settings); |
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drawModules(qr, context, settings); |
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|
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return $canvas; |
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} |
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|
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// Returns a `canvas` element representing the QR code for the given settings. |
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function createCanvas(settings) { |
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|
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var $canvas = $('<canvas/>').attr('width', settings.size).attr('height', settings.size); |
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return drawOnCanvas($canvas, settings); |
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} |
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|
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// Returns an `image` element representing the QR code for the given settings. |
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function createImage(settings) { |
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|
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return $('<img/>').attr('src', createCanvas(settings)[0].toDataURL('image/png')); |
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} |
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|
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// Returns a `div` element representing the QR code for the given settings. |
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function createDiv(settings) { |
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|
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var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); |
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if (!qr) { |
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return null; |
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} |
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|
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// some shortcuts to improve compression |
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var settings_size = settings.size; |
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var settings_bgColor = settings.background; |
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var math_floor = Math.floor; |
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|
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var moduleCount = qr.moduleCount; |
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var moduleSize = math_floor(settings_size / moduleCount); |
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var offset = math_floor(0.5 * (settings_size - moduleSize * moduleCount)); |
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|
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var row, col; |
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|
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var containerCSS = { |
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position: 'relative', |
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left: 0, |
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top: 0, |
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padding: 0, |
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margin: 0, |
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width: settings_size, |
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height: settings_size |
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}; |
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var darkCSS = { |
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position: 'absolute', |
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padding: 0, |
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margin: 0, |
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width: moduleSize, |
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height: moduleSize, |
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'background-color': settings.fill |
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}; |
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|
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var $div = $('<div/>').data('qrcode', qr).css(containerCSS); |
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|
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if (settings_bgColor) { |
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$div.css('background-color', settings_bgColor); |
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} |
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|
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for (row = 0; row < moduleCount; row += 1) { |
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for (col = 0; col < moduleCount; col += 1) { |
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if (qr.isDark(row, col)) { |
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$('<div/>') |
| 368 |
.css(darkCSS) |
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.css({ |
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left: offset + col * moduleSize, |
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top: offset + row * moduleSize |
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}) |
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.appendTo($div); |
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} |
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} |
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} |
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|
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return $div; |
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} |
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|
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function createHTML(settings) { |
| 382 |
|
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if (hasCanvas && settings.render === 'canvas') { |
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return createCanvas(settings); |
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} else if (hasCanvas && settings.render === 'image') { |
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return createImage(settings); |
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} |
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|
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return createDiv(settings); |
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} |
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|
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// Plugin |
| 393 |
// ====== |
| 394 |
|
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// Default settings |
| 396 |
// ---------------- |
| 397 |
var defaults = { |
| 398 |
|
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// render method: `'canvas'`, `'image'` or `'div'` |
| 400 |
render: 'canvas', |
| 401 |
|
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// version range somewhere in 1 .. 40 |
| 403 |
minVersion: 1, |
| 404 |
maxVersion: 40, |
| 405 |
|
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// error correction level: `'L'`, `'M'`, `'Q'` or `'H'` |
| 407 |
ecLevel: 'L', |
| 408 |
|
| 409 |
// offset in pixel if drawn onto existing canvas |
| 410 |
left: 0, |
| 411 |
top: 0, |
| 412 |
|
| 413 |
// size in pixel |
| 414 |
size: 200, |
| 415 |
|
| 416 |
// code color or image element |
| 417 |
fill: '#000', |
| 418 |
|
| 419 |
// background color or image element, `null` for transparent background |
| 420 |
background: null, |
| 421 |
|
| 422 |
// content |
| 423 |
text: 'no text', |
| 424 |
|
| 425 |
// corner radius relative to module width: 0.0 .. 0.5 |
| 426 |
radius: 0, |
| 427 |
|
| 428 |
// quiet zone in modules |
| 429 |
quiet: 0, |
| 430 |
|
| 431 |
// modes |
| 432 |
// 0: normal |
| 433 |
// 1: label strip |
| 434 |
// 2: label box |
| 435 |
// 3: image strip |
| 436 |
// 4: image box |
| 437 |
mode: 0, |
| 438 |
|
| 439 |
mSize: 0.1, |
| 440 |
mPosX: 0.5, |
| 441 |
mPosY: 0.5, |
| 442 |
|
| 443 |
label: 'no label', |
| 444 |
fontname: 'sans', |
| 445 |
fontcolor: '#000', |
| 446 |
|
| 447 |
image: null |
| 448 |
}; |
| 449 |
|
| 450 |
// Register the plugin |
| 451 |
// ------------------- |
| 452 |
$.fn.qrcode = function(options) { |
| 453 |
|
| 454 |
var settings = $.extend({}, defaults, options); |
| 455 |
|
| 456 |
return this.each(function () { |
| 457 |
|
| 458 |
if (this.nodeName.toLowerCase() === 'canvas') { |
| 459 |
drawOnCanvas(this, settings); |
| 460 |
} else { |
| 461 |
$(this).append(createHTML(settings)); |
| 462 |
} |
| 463 |
}); |
| 464 |
}; |
| 465 |
|
| 466 |
// jQuery.qrcode plug in code ends here |
| 467 |
|
| 468 |
|
| 469 |
// QR Code Generator |
| 470 |
// ================= |
| 471 |
//--------------------------------------------------------------------- |
| 472 |
// |
| 473 |
// QR Code Generator for JavaScript |
| 474 |
// |
| 475 |
// Copyright (c) 2009 Kazuhiko Arase |
| 476 |
// |
| 477 |
// URL: http://www.d-project.com/ |
| 478 |
// |
| 479 |
// Licensed under the MIT license: |
| 480 |
// http://www.opensource.org/licenses/mit-license.php |
| 481 |
// |
| 482 |
// The word 'QR Code' is registered trademark of |
| 483 |
// DENSO WAVE INCORPORATED |
| 484 |
// http://www.denso-wave.com/qrcode/faqpatent-e.html |
| 485 |
// |
| 486 |
//--------------------------------------------------------------------- |
| 487 |
|
| 488 |
var qrcode = function() { |
| 489 |
|
| 490 |
//--------------------------------------------------------------------- |
| 491 |
// qrcode |
| 492 |
//--------------------------------------------------------------------- |
| 493 |
|
| 494 |
/** |
| 495 |
* qrcode |
| 496 |
* @param typeNumber 1 to 10 |
| 497 |
* @param errorCorrectLevel 'L','M','Q','H' |
| 498 |
*/ |
| 499 |
var qrcode = function(typeNumber, errorCorrectLevel) { |
| 500 |
|
| 501 |
var PAD0 = 0xEC; |
| 502 |
var PAD1 = 0x11; |
| 503 |
|
| 504 |
var _typeNumber = typeNumber; |
| 505 |
var _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel]; |
| 506 |
var _modules = null; |
| 507 |
var _moduleCount = 0; |
| 508 |
var _dataCache = null; |
| 509 |
var _dataList = new Array(); |
| 510 |
|
| 511 |
var _this = {}; |
| 512 |
|
| 513 |
var makeImpl = function(test, maskPattern) { |
| 514 |
|
| 515 |
_moduleCount = _typeNumber * 4 + 17; |
| 516 |
_modules = function(moduleCount) { |
| 517 |
var modules = new Array(moduleCount); |
| 518 |
for (var row = 0; row < moduleCount; row += 1) { |
| 519 |
modules[row] = new Array(moduleCount); |
| 520 |
for (var col = 0; col < moduleCount; col += 1) { |
| 521 |
modules[row][col] = null; |
| 522 |
} |
| 523 |
} |
| 524 |
return modules; |
| 525 |
}(_moduleCount); |
| 526 |
|
| 527 |
setupPositionProbePattern(0, 0); |
| 528 |
setupPositionProbePattern(_moduleCount - 7, 0); |
| 529 |
setupPositionProbePattern(0, _moduleCount - 7); |
| 530 |
setupPositionAdjustPattern(); |
| 531 |
setupTimingPattern(); |
| 532 |
setupTypeInfo(test, maskPattern); |
| 533 |
|
| 534 |
if (_typeNumber >= 7) { |
| 535 |
setupTypeNumber(test); |
| 536 |
} |
| 537 |
|
| 538 |
if (_dataCache == null) { |
| 539 |
_dataCache = createData(_typeNumber, _errorCorrectLevel, _dataList); |
| 540 |
} |
| 541 |
|
| 542 |
mapData(_dataCache, maskPattern); |
| 543 |
}; |
| 544 |
|
| 545 |
var setupPositionProbePattern = function(row, col) { |
| 546 |
|
| 547 |
for (var r = -1; r <= 7; r += 1) { |
| 548 |
|
| 549 |
if (row + r <= -1 || _moduleCount <= row + r) continue; |
| 550 |
|
| 551 |
for (var c = -1; c <= 7; c += 1) { |
| 552 |
|
| 553 |
if (col + c <= -1 || _moduleCount <= col + c) continue; |
| 554 |
|
| 555 |
if ( (0 <= r && r <= 6 && (c == 0 || c == 6) ) |
| 556 |
|| (0 <= c && c <= 6 && (r == 0 || r == 6) ) |
| 557 |
|| (2 <= r && r <= 4 && 2 <= c && c <= 4) ) { |
| 558 |
_modules[row + r][col + c] = true; |
| 559 |
} else { |
| 560 |
_modules[row + r][col + c] = false; |
| 561 |
} |
| 562 |
} |
| 563 |
} |
| 564 |
}; |
| 565 |
|
| 566 |
var getBestMaskPattern = function() { |
| 567 |
|
| 568 |
var minLostPoint = 0; |
| 569 |
var pattern = 0; |
| 570 |
|
| 571 |
for (var i = 0; i < 8; i += 1) { |
| 572 |
|
| 573 |
makeImpl(true, i); |
| 574 |
|
| 575 |
var lostPoint = QRUtil.getLostPoint(_this); |
| 576 |
|
| 577 |
if (i == 0 || minLostPoint > lostPoint) { |
| 578 |
minLostPoint = lostPoint; |
| 579 |
pattern = i; |
| 580 |
} |
| 581 |
} |
| 582 |
|
| 583 |
return pattern; |
| 584 |
}; |
| 585 |
|
| 586 |
var setupTimingPattern = function() { |
| 587 |
|
| 588 |
for (var r = 8; r < _moduleCount - 8; r += 1) { |
| 589 |
if (_modules[r][6] != null) { |
| 590 |
continue; |
| 591 |
} |
| 592 |
_modules[r][6] = (r % 2 == 0); |
| 593 |
} |
| 594 |
|
| 595 |
for (var c = 8; c < _moduleCount - 8; c += 1) { |
| 596 |
if (_modules[6][c] != null) { |
| 597 |
continue; |
| 598 |
} |
| 599 |
_modules[6][c] = (c % 2 == 0); |
| 600 |
} |
| 601 |
}; |
| 602 |
|
| 603 |
var setupPositionAdjustPattern = function() { |
| 604 |
|
| 605 |
var pos = QRUtil.getPatternPosition(_typeNumber); |
| 606 |
|
| 607 |
for (var i = 0; i < pos.length; i += 1) { |
| 608 |
|
| 609 |
for (var j = 0; j < pos.length; j += 1) { |
| 610 |
|
| 611 |
var row = pos[i]; |
| 612 |
var col = pos[j]; |
| 613 |
|
| 614 |
if (_modules[row][col] != null) { |
| 615 |
continue; |
| 616 |
} |
| 617 |
|
| 618 |
for (var r = -2; r <= 2; r += 1) { |
| 619 |
|
| 620 |
for (var c = -2; c <= 2; c += 1) { |
| 621 |
|
| 622 |
if (r == -2 || r == 2 || c == -2 || c == 2 |
| 623 |
|| (r == 0 && c == 0) ) { |
| 624 |
_modules[row + r][col + c] = true; |
| 625 |
} else { |
| 626 |
_modules[row + r][col + c] = false; |
| 627 |
} |
| 628 |
} |
| 629 |
} |
| 630 |
} |
| 631 |
} |
| 632 |
}; |
| 633 |
|
| 634 |
var setupTypeNumber = function(test) { |
| 635 |
|
| 636 |
var bits = QRUtil.getBCHTypeNumber(_typeNumber); |
| 637 |
|
| 638 |
for (var i = 0; i < 18; i += 1) { |
| 639 |
var mod = (!test && ( (bits >> i) & 1) == 1); |
| 640 |
_modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod; |
| 641 |
} |
| 642 |
|
| 643 |
for (var i = 0; i < 18; i += 1) { |
| 644 |
var mod = (!test && ( (bits >> i) & 1) == 1); |
| 645 |
_modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod; |
| 646 |
} |
| 647 |
}; |
| 648 |
|
| 649 |
var setupTypeInfo = function(test, maskPattern) { |
| 650 |
|
| 651 |
var data = (_errorCorrectLevel << 3) | maskPattern; |
| 652 |
var bits = QRUtil.getBCHTypeInfo(data); |
| 653 |
|
| 654 |
// vertical |
| 655 |
for (var i = 0; i < 15; i += 1) { |
| 656 |
|
| 657 |
var mod = (!test && ( (bits >> i) & 1) == 1); |
| 658 |
|
| 659 |
if (i < 6) { |
| 660 |
_modules[i][8] = mod; |
| 661 |
} else if (i < 8) { |
| 662 |
_modules[i + 1][8] = mod; |
| 663 |
} else { |
| 664 |
_modules[_moduleCount - 15 + i][8] = mod; |
| 665 |
} |
| 666 |
} |
| 667 |
|
| 668 |
// horizontal |
| 669 |
for (var i = 0; i < 15; i += 1) { |
| 670 |
|
| 671 |
var mod = (!test && ( (bits >> i) & 1) == 1); |
| 672 |
|
| 673 |
if (i < 8) { |
| 674 |
_modules[8][_moduleCount - i - 1] = mod; |
| 675 |
} else if (i < 9) { |
| 676 |
_modules[8][15 - i - 1 + 1] = mod; |
| 677 |
} else { |
| 678 |
_modules[8][15 - i - 1] = mod; |
| 679 |
} |
| 680 |
} |
| 681 |
|
| 682 |
// fixed module |
| 683 |
_modules[_moduleCount - 8][8] = (!test); |
| 684 |
}; |
| 685 |
|
| 686 |
var mapData = function(data, maskPattern) { |
| 687 |
|
| 688 |
var inc = -1; |
| 689 |
var row = _moduleCount - 1; |
| 690 |
var bitIndex = 7; |
| 691 |
var byteIndex = 0; |
| 692 |
var maskFunc = QRUtil.getMaskFunction(maskPattern); |
| 693 |
|
| 694 |
for (var col = _moduleCount - 1; col > 0; col -= 2) { |
| 695 |
|
| 696 |
if (col == 6) col -= 1; |
| 697 |
|
| 698 |
while (true) { |
| 699 |
|
| 700 |
for (var c = 0; c < 2; c += 1) { |
| 701 |
|
| 702 |
if (_modules[row][col - c] == null) { |
| 703 |
|
| 704 |
var dark = false; |
| 705 |
|
| 706 |
if (byteIndex < data.length) { |
| 707 |
dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1); |
| 708 |
} |
| 709 |
|
| 710 |
var mask = maskFunc(row, col - c); |
| 711 |
|
| 712 |
if (mask) { |
| 713 |
dark = !dark; |
| 714 |
} |
| 715 |
|
| 716 |
_modules[row][col - c] = dark; |
| 717 |
bitIndex -= 1; |
| 718 |
|
| 719 |
if (bitIndex == -1) { |
| 720 |
byteIndex += 1; |
| 721 |
bitIndex = 7; |
| 722 |
} |
| 723 |
} |
| 724 |
} |
| 725 |
|
| 726 |
row += inc; |
| 727 |
|
| 728 |
if (row < 0 || _moduleCount <= row) { |
| 729 |
row -= inc; |
| 730 |
inc = -inc; |
| 731 |
break; |
| 732 |
} |
| 733 |
} |
| 734 |
} |
| 735 |
}; |
| 736 |
|
| 737 |
var createBytes = function(buffer, rsBlocks) { |
| 738 |
|
| 739 |
var offset = 0; |
| 740 |
|
| 741 |
var maxDcCount = 0; |
| 742 |
var maxEcCount = 0; |
| 743 |
|
| 744 |
var dcdata = new Array(rsBlocks.length); |
| 745 |
var ecdata = new Array(rsBlocks.length); |
| 746 |
|
| 747 |
for (var r = 0; r < rsBlocks.length; r += 1) { |
| 748 |
|
| 749 |
var dcCount = rsBlocks[r].dataCount; |
| 750 |
var ecCount = rsBlocks[r].totalCount - dcCount; |
| 751 |
|
| 752 |
maxDcCount = Math.max(maxDcCount, dcCount); |
| 753 |
maxEcCount = Math.max(maxEcCount, ecCount); |
| 754 |
|
| 755 |
dcdata[r] = new Array(dcCount); |
| 756 |
|
| 757 |
for (var i = 0; i < dcdata[r].length; i += 1) { |
| 758 |
dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset]; |
| 759 |
} |
| 760 |
offset += dcCount; |
| 761 |
|
| 762 |
var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); |
| 763 |
var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1); |
| 764 |
|
| 765 |
var modPoly = rawPoly.mod(rsPoly); |
| 766 |
ecdata[r] = new Array(rsPoly.getLength() - 1); |
| 767 |
for (var i = 0; i < ecdata[r].length; i += 1) { |
| 768 |
var modIndex = i + modPoly.getLength() - ecdata[r].length; |
| 769 |
ecdata[r][i] = (modIndex >= 0)? modPoly.get(modIndex) : 0; |
| 770 |
} |
| 771 |
} |
| 772 |
|
| 773 |
var totalCodeCount = 0; |
| 774 |
for (var i = 0; i < rsBlocks.length; i += 1) { |
| 775 |
totalCodeCount += rsBlocks[i].totalCount; |
| 776 |
} |
| 777 |
|
| 778 |
var data = new Array(totalCodeCount); |
| 779 |
var index = 0; |
| 780 |
|
| 781 |
for (var i = 0; i < maxDcCount; i += 1) { |
| 782 |
for (var r = 0; r < rsBlocks.length; r += 1) { |
| 783 |
if (i < dcdata[r].length) { |
| 784 |
data[index] = dcdata[r][i]; |
| 785 |
index += 1; |
| 786 |
} |
| 787 |
} |
| 788 |
} |
| 789 |
|
| 790 |
for (var i = 0; i < maxEcCount; i += 1) { |
| 791 |
for (var r = 0; r < rsBlocks.length; r += 1) { |
| 792 |
if (i < ecdata[r].length) { |
| 793 |
data[index] = ecdata[r][i]; |
| 794 |
index += 1; |
| 795 |
} |
| 796 |
} |
| 797 |
} |
| 798 |
|
| 799 |
return data; |
| 800 |
}; |
| 801 |
|
| 802 |
var createData = function(typeNumber, errorCorrectLevel, dataList) { |
| 803 |
|
| 804 |
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel); |
| 805 |
|
| 806 |
var buffer = qrBitBuffer(); |
| 807 |
|
| 808 |
for (var i = 0; i < dataList.length; i += 1) { |
| 809 |
var data = dataList[i]; |
| 810 |
buffer.put(data.getMode(), 4); |
| 811 |
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) ); |
| 812 |
data.write(buffer); |
| 813 |
} |
| 814 |
|
| 815 |
// calc num max data. |
| 816 |
var totalDataCount = 0; |
| 817 |
for (var i = 0; i < rsBlocks.length; i += 1) { |
| 818 |
totalDataCount += rsBlocks[i].dataCount; |
| 819 |
} |
| 820 |
|
| 821 |
if (buffer.getLengthInBits() > totalDataCount * 8) { |
| 822 |
throw new Error('code length overflow. (' |
| 823 |
+ buffer.getLengthInBits() |
| 824 |
+ '>' |
| 825 |
+ totalDataCount * 8 |
| 826 |
+ ')'); |
| 827 |
} |
| 828 |
|
| 829 |
// end code |
| 830 |
if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { |
| 831 |
buffer.put(0, 4); |
| 832 |
} |
| 833 |
|
| 834 |
// padding |
| 835 |
while (buffer.getLengthInBits() % 8 != 0) { |
| 836 |
buffer.putBit(false); |
| 837 |
} |
| 838 |
|
| 839 |
// padding |
| 840 |
while (true) { |
| 841 |
|
| 842 |
if (buffer.getLengthInBits() >= totalDataCount * 8) { |
| 843 |
break; |
| 844 |
} |
| 845 |
buffer.put(PAD0, 8); |
| 846 |
|
| 847 |
if (buffer.getLengthInBits() >= totalDataCount * 8) { |
| 848 |
break; |
| 849 |
} |
| 850 |
buffer.put(PAD1, 8); |
| 851 |
} |
| 852 |
|
| 853 |
return createBytes(buffer, rsBlocks); |
| 854 |
}; |
| 855 |
|
| 856 |
_this.addData = function(data) { |
| 857 |
var newData = qr8BitByte(data); |
| 858 |
_dataList.push(newData); |
| 859 |
_dataCache = null; |
| 860 |
}; |
| 861 |
|
| 862 |
_this.isDark = function(row, col) { |
| 863 |
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) { |
| 864 |
throw new Error(row + ',' + col); |
| 865 |
} |
| 866 |
return _modules[row][col]; |
| 867 |
}; |
| 868 |
|
| 869 |
_this.getModuleCount = function() { |
| 870 |
return _moduleCount; |
| 871 |
}; |
| 872 |
|
| 873 |
_this.make = function() { |
| 874 |
makeImpl(false, getBestMaskPattern() ); |
| 875 |
}; |
| 876 |
|
| 877 |
_this.createTableTag = function(cellSize, margin) { |
| 878 |
|
| 879 |
cellSize = cellSize || 2; |
| 880 |
margin = (typeof margin == 'undefined')? cellSize * 4 : margin; |
| 881 |
|
| 882 |
var qrHtml = ''; |
| 883 |
|
| 884 |
qrHtml += '<table style="'; |
| 885 |
qrHtml += ' border-width: 0px; border-style: none;'; |
| 886 |
qrHtml += ' border-collapse: collapse;'; |
| 887 |
qrHtml += ' padding: 0px; margin: ' + margin + 'px;'; |
| 888 |
qrHtml += '">'; |
| 889 |
qrHtml += '<tbody>'; |
| 890 |
|
| 891 |
for (var r = 0; r < _this.getModuleCount(); r += 1) { |
| 892 |
|
| 893 |
qrHtml += '<tr>'; |
| 894 |
|
| 895 |
for (var c = 0; c < _this.getModuleCount(); c += 1) { |
| 896 |
qrHtml += '<td style="'; |
| 897 |
qrHtml += ' border-width: 0px; border-style: none;'; |
| 898 |
qrHtml += ' border-collapse: collapse;'; |
| 899 |
qrHtml += ' padding: 0px; margin: 0px;'; |
| 900 |
qrHtml += ' width: ' + cellSize + 'px;'; |
| 901 |
qrHtml += ' height: ' + cellSize + 'px;'; |
| 902 |
qrHtml += ' background-color: '; |
| 903 |
qrHtml += _this.isDark(r, c)? '#000000' : '#ffffff'; |
| 904 |
qrHtml += ';'; |
| 905 |
qrHtml += '"/>'; |
| 906 |
} |
| 907 |
|
| 908 |
qrHtml += '</tr>'; |
| 909 |
} |
| 910 |
|
| 911 |
qrHtml += '</tbody>'; |
| 912 |
qrHtml += '</table>'; |
| 913 |
|
| 914 |
return qrHtml; |
| 915 |
}; |
| 916 |
|
| 917 |
_this.createImgTag = function(cellSize, margin) { |
| 918 |
|
| 919 |
cellSize = cellSize || 2; |
| 920 |
margin = (typeof margin == 'undefined')? cellSize * 4 : margin; |
| 921 |
|
| 922 |
var size = _this.getModuleCount() * cellSize + margin * 2; |
| 923 |
var min = margin; |
| 924 |
var max = size - margin; |
| 925 |
|
| 926 |
return createImgTag(size, size, function(x, y) { |
| 927 |
if (min <= x && x < max && min <= y && y < max) { |
| 928 |
var c = Math.floor( (x - min) / cellSize); |
| 929 |
var r = Math.floor( (y - min) / cellSize); |
| 930 |
return _this.isDark(r, c)? 0 : 1; |
| 931 |
} else { |
| 932 |
return 1; |
| 933 |
} |
| 934 |
} ); |
| 935 |
}; |
| 936 |
|
| 937 |
return _this; |
| 938 |
}; |
| 939 |
|
| 940 |
//--------------------------------------------------------------------- |
| 941 |
// qrcode.stringToBytes |
| 942 |
//--------------------------------------------------------------------- |
| 943 |
|
| 944 |
qrcode.stringToBytes = function(s) { |
| 945 |
var bytes = new Array(); |
| 946 |
for (var i = 0; i < s.length; i += 1) { |
| 947 |
var c = s.charCodeAt(i); |
| 948 |
bytes.push(c & 0xff); |
| 949 |
} |
| 950 |
return bytes; |
| 951 |
}; |
| 952 |
|
| 953 |
//--------------------------------------------------------------------- |
| 954 |
// qrcode.createStringToBytes |
| 955 |
//--------------------------------------------------------------------- |
| 956 |
|
| 957 |
/** |
| 958 |
* @param unicodeData base64 string of byte array. |
| 959 |
* [16bit Unicode],[16bit Bytes], ... |
| 960 |
* @param numChars |
| 961 |
*/ |
| 962 |
qrcode.createStringToBytes = function(unicodeData, numChars) { |
| 963 |
|
| 964 |
// create conversion map. |
| 965 |
|
| 966 |
var unicodeMap = function() { |
| 967 |
|
| 968 |
var bin = base64DecodeInputStream(unicodeData); |
| 969 |
var read = function() { |
| 970 |
var b = bin.read(); |
| 971 |
if (b == -1) throw new Error(); |
| 972 |
return b; |
| 973 |
}; |
| 974 |
|
| 975 |
var count = 0; |
| 976 |
var unicodeMap = {}; |
| 977 |
while (true) { |
| 978 |
var b0 = bin.read(); |
| 979 |
if (b0 == -1) break; |
| 980 |
var b1 = read(); |
| 981 |
var b2 = read(); |
| 982 |
var b3 = read(); |
| 983 |
var k = String.fromCharCode( (b0 << 8) | b1); |
| 984 |
var v = (b2 << 8) | b3; |
| 985 |
unicodeMap[k] = v; |
| 986 |
count += 1; |
| 987 |
} |
| 988 |
if (count != numChars) { |
| 989 |
throw new Error(count + ' != ' + numChars); |
| 990 |
} |
| 991 |
|
| 992 |
return unicodeMap; |
| 993 |
}(); |
| 994 |
|
| 995 |
var unknownChar = '?'.charCodeAt(0); |
| 996 |
|
| 997 |
return function(s) { |
| 998 |
var bytes = new Array(); |
| 999 |
for (var i = 0; i < s.length; i += 1) { |
| 1000 |
var c = s.charCodeAt(i); |
| 1001 |
if (c < 128) { |
| 1002 |
bytes.push(c); |
| 1003 |
} else { |
| 1004 |
var b = unicodeMap[s.charAt(i)]; |
| 1005 |
if (typeof b == 'number') { |
| 1006 |
if ( (b & 0xff) == b) { |
| 1007 |
// 1byte |
| 1008 |
bytes.push(b); |
| 1009 |
} else { |
| 1010 |
// 2bytes |
| 1011 |
bytes.push(b >>> 8); |
| 1012 |
bytes.push(b & 0xff); |
| 1013 |
} |
| 1014 |
} else { |
| 1015 |
bytes.push(unknownChar); |
| 1016 |
} |
| 1017 |
} |
| 1018 |
} |
| 1019 |
return bytes; |
| 1020 |
}; |
| 1021 |
}; |
| 1022 |
|
| 1023 |
//--------------------------------------------------------------------- |
| 1024 |
// QRMode |
| 1025 |
//--------------------------------------------------------------------- |
| 1026 |
|
| 1027 |
var QRMode = { |
| 1028 |
MODE_NUMBER : 1 << 0, |
| 1029 |
MODE_ALPHA_NUM : 1 << 1, |
| 1030 |
MODE_8BIT_BYTE : 1 << 2, |
| 1031 |
MODE_KANJI : 1 << 3 |
| 1032 |
}; |
| 1033 |
|
| 1034 |
//--------------------------------------------------------------------- |
| 1035 |
// QRErrorCorrectLevel |
| 1036 |
//--------------------------------------------------------------------- |
| 1037 |
|
| 1038 |
var QRErrorCorrectLevel = { |
| 1039 |
L : 1, |
| 1040 |
M : 0, |
| 1041 |
Q : 3, |
| 1042 |
H : 2 |
| 1043 |
}; |
| 1044 |
|
| 1045 |
//--------------------------------------------------------------------- |
| 1046 |
// QRMaskPattern |
| 1047 |
//--------------------------------------------------------------------- |
| 1048 |
|
| 1049 |
var QRMaskPattern = { |
| 1050 |
PATTERN000 : 0, |
| 1051 |
PATTERN001 : 1, |
| 1052 |
PATTERN010 : 2, |
| 1053 |
PATTERN011 : 3, |
| 1054 |
PATTERN100 : 4, |
| 1055 |
PATTERN101 : 5, |
| 1056 |
PATTERN110 : 6, |
| 1057 |
PATTERN111 : 7 |
| 1058 |
}; |
| 1059 |
|
| 1060 |
//--------------------------------------------------------------------- |
| 1061 |
// QRUtil |
| 1062 |
//--------------------------------------------------------------------- |
| 1063 |
|
| 1064 |
var QRUtil = function() { |
| 1065 |
|
| 1066 |
var PATTERN_POSITION_TABLE = [ |
| 1067 |
[], |
| 1068 |
[6, 18], |
| 1069 |
[6, 22], |
| 1070 |
[6, 26], |
| 1071 |
[6, 30], |
| 1072 |
[6, 34], |
| 1073 |
[6, 22, 38], |
| 1074 |
[6, 24, 42], |
| 1075 |
[6, 26, 46], |
| 1076 |
[6, 28, 50], |
| 1077 |
[6, 30, 54], |
| 1078 |
[6, 32, 58], |
| 1079 |
[6, 34, 62], |
| 1080 |
[6, 26, 46, 66], |
| 1081 |
[6, 26, 48, 70], |
| 1082 |
[6, 26, 50, 74], |
| 1083 |
[6, 30, 54, 78], |
| 1084 |
[6, 30, 56, 82], |
| 1085 |
[6, 30, 58, 86], |
| 1086 |
[6, 34, 62, 90], |
| 1087 |
[6, 28, 50, 72, 94], |
| 1088 |
[6, 26, 50, 74, 98], |
| 1089 |
[6, 30, 54, 78, 102], |
| 1090 |
[6, 28, 54, 80, 106], |
| 1091 |
[6, 32, 58, 84, 110], |
| 1092 |
[6, 30, 58, 86, 114], |
| 1093 |
[6, 34, 62, 90, 118], |
| 1094 |
[6, 26, 50, 74, 98, 122], |
| 1095 |
[6, 30, 54, 78, 102, 126], |
| 1096 |
[6, 26, 52, 78, 104, 130], |
| 1097 |
[6, 30, 56, 82, 108, 134], |
| 1098 |
[6, 34, 60, 86, 112, 138], |
| 1099 |
[6, 30, 58, 86, 114, 142], |
| 1100 |
[6, 34, 62, 90, 118, 146], |
| 1101 |
[6, 30, 54, 78, 102, 126, 150], |
| 1102 |
[6, 24, 50, 76, 102, 128, 154], |
| 1103 |
[6, 28, 54, 80, 106, 132, 158], |
| 1104 |
[6, 32, 58, 84, 110, 136, 162], |
| 1105 |
[6, 26, 54, 82, 110, 138, 166], |
| 1106 |
[6, 30, 58, 86, 114, 142, 170] |
| 1107 |
]; |
| 1108 |
var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0); |
| 1109 |
var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0); |
| 1110 |
var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1); |
| 1111 |
|
| 1112 |
var _this = {}; |
| 1113 |
|
| 1114 |
var getBCHDigit = function(data) { |
| 1115 |
var digit = 0; |
| 1116 |
while (data != 0) { |
| 1117 |
digit += 1; |
| 1118 |
data >>>= 1; |
| 1119 |
} |
| 1120 |
return digit; |
| 1121 |
}; |
| 1122 |
|
| 1123 |
_this.getBCHTypeInfo = function(data) { |
| 1124 |
var d = data << 10; |
| 1125 |
while (getBCHDigit(d) - getBCHDigit(G15) >= 0) { |
| 1126 |
d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) ); |
| 1127 |
} |
| 1128 |
return ( (data << 10) | d) ^ G15_MASK; |
| 1129 |
}; |
| 1130 |
|
| 1131 |
_this.getBCHTypeNumber = function(data) { |
| 1132 |
var d = data << 12; |
| 1133 |
while (getBCHDigit(d) - getBCHDigit(G18) >= 0) { |
| 1134 |
d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) ); |
| 1135 |
} |
| 1136 |
return (data << 12) | d; |
| 1137 |
}; |
| 1138 |
|
| 1139 |
_this.getPatternPosition = function(typeNumber) { |
| 1140 |
return PATTERN_POSITION_TABLE[typeNumber - 1]; |
| 1141 |
}; |
| 1142 |
|
| 1143 |
_this.getMaskFunction = function(maskPattern) { |
| 1144 |
|
| 1145 |
switch (maskPattern) { |
| 1146 |
|
| 1147 |
case QRMaskPattern.PATTERN000 : |
| 1148 |
return function(i, j) { return (i + j) % 2 == 0; }; |
| 1149 |
case QRMaskPattern.PATTERN001 : |
| 1150 |
return function(i, j) { return i % 2 == 0; }; |
| 1151 |
case QRMaskPattern.PATTERN010 : |
| 1152 |
return function(i, j) { return j % 3 == 0; }; |
| 1153 |
case QRMaskPattern.PATTERN011 : |
| 1154 |
return function(i, j) { return (i + j) % 3 == 0; }; |
| 1155 |
case QRMaskPattern.PATTERN100 : |
| 1156 |
return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; }; |
| 1157 |
case QRMaskPattern.PATTERN101 : |
| 1158 |
return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; }; |
| 1159 |
case QRMaskPattern.PATTERN110 : |
| 1160 |
return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; }; |
| 1161 |
case QRMaskPattern.PATTERN111 : |
| 1162 |
return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; }; |
| 1163 |
|
| 1164 |
default : |
| 1165 |
throw new Error('bad maskPattern:' + maskPattern); |
| 1166 |
} |
| 1167 |
}; |
| 1168 |
|
| 1169 |
_this.getErrorCorrectPolynomial = function(errorCorrectLength) { |
| 1170 |
var a = qrPolynomial([1], 0); |
| 1171 |
for (var i = 0; i < errorCorrectLength; i += 1) { |
| 1172 |
a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) ); |
| 1173 |
} |
| 1174 |
return a; |
| 1175 |
}; |
| 1176 |
|
| 1177 |
_this.getLengthInBits = function(mode, type) { |
| 1178 |
|
| 1179 |
if (1 <= type && type < 10) { |
| 1180 |
|
| 1181 |
// 1 - 9 |
| 1182 |
|
| 1183 |
switch(mode) { |
| 1184 |
case QRMode.MODE_NUMBER : return 10; |
| 1185 |
case QRMode.MODE_ALPHA_NUM : return 9; |
| 1186 |
case QRMode.MODE_8BIT_BYTE : return 8; |
| 1187 |
case QRMode.MODE_KANJI : return 8; |
| 1188 |
default : |
| 1189 |
throw new Error('mode:' + mode); |
| 1190 |
} |
| 1191 |
|
| 1192 |
} else if (type < 27) { |
| 1193 |
|
| 1194 |
// 10 - 26 |
| 1195 |
|
| 1196 |
switch(mode) { |
| 1197 |
case QRMode.MODE_NUMBER : return 12; |
| 1198 |
case QRMode.MODE_ALPHA_NUM : return 11; |
| 1199 |
case QRMode.MODE_8BIT_BYTE : return 16; |
| 1200 |
case QRMode.MODE_KANJI : return 10; |
| 1201 |
default : |
| 1202 |
throw new Error('mode:' + mode); |
| 1203 |
} |
| 1204 |
|
| 1205 |
} else if (type < 41) { |
| 1206 |
|
| 1207 |
// 27 - 40 |
| 1208 |
|
| 1209 |
switch(mode) { |
| 1210 |
case QRMode.MODE_NUMBER : return 14; |
| 1211 |
case QRMode.MODE_ALPHA_NUM : return 13; |
| 1212 |
case QRMode.MODE_8BIT_BYTE : return 16; |
| 1213 |
case QRMode.MODE_KANJI : return 12; |
| 1214 |
default : |
| 1215 |
throw new Error('mode:' + mode); |
| 1216 |
} |
| 1217 |
|
| 1218 |
} else { |
| 1219 |
throw new Error('type:' + type); |
| 1220 |
} |
| 1221 |
}; |
| 1222 |
|
| 1223 |
_this.getLostPoint = function(qrcode) { |
| 1224 |
|
| 1225 |
var moduleCount = qrcode.getModuleCount(); |
| 1226 |
|
| 1227 |
var lostPoint = 0; |
| 1228 |
|
| 1229 |
// LEVEL1 |
| 1230 |
|
| 1231 |
for (var row = 0; row < moduleCount; row += 1) { |
| 1232 |
for (var col = 0; col < moduleCount; col += 1) { |
| 1233 |
|
| 1234 |
var sameCount = 0; |
| 1235 |
var dark = qrcode.isDark(row, col); |
| 1236 |
|
| 1237 |
for (var r = -1; r <= 1; r += 1) { |
| 1238 |
|
| 1239 |
if (row + r < 0 || moduleCount <= row + r) { |
| 1240 |
continue; |
| 1241 |
} |
| 1242 |
|
| 1243 |
for (var c = -1; c <= 1; c += 1) { |
| 1244 |
|
| 1245 |
if (col + c < 0 || moduleCount <= col + c) { |
| 1246 |
continue; |
| 1247 |
} |
| 1248 |
|
| 1249 |
if (r == 0 && c == 0) { |
| 1250 |
continue; |
| 1251 |
} |
| 1252 |
|
| 1253 |
if (dark == qrcode.isDark(row + r, col + c) ) { |
| 1254 |
sameCount += 1; |
| 1255 |
} |
| 1256 |
} |
| 1257 |
} |
| 1258 |
|
| 1259 |
if (sameCount > 5) { |
| 1260 |
lostPoint += (3 + sameCount - 5); |
| 1261 |
} |
| 1262 |
} |
| 1263 |
}; |
| 1264 |
|
| 1265 |
// LEVEL2 |
| 1266 |
|
| 1267 |
for (var row = 0; row < moduleCount - 1; row += 1) { |
| 1268 |
for (var col = 0; col < moduleCount - 1; col += 1) { |
| 1269 |
var count = 0; |
| 1270 |
if (qrcode.isDark(row, col) ) count += 1; |
| 1271 |
if (qrcode.isDark(row + 1, col) ) count += 1; |
| 1272 |
if (qrcode.isDark(row, col + 1) ) count += 1; |
| 1273 |
if (qrcode.isDark(row + 1, col + 1) ) count += 1; |
| 1274 |
if (count == 0 || count == 4) { |
| 1275 |
lostPoint += 3; |
| 1276 |
} |
| 1277 |
} |
| 1278 |
} |
| 1279 |
|
| 1280 |
// LEVEL3 |
| 1281 |
|
| 1282 |
for (var row = 0; row < moduleCount; row += 1) { |
| 1283 |
for (var col = 0; col < moduleCount - 6; col += 1) { |
| 1284 |
if (qrcode.isDark(row, col) |
| 1285 |
&& !qrcode.isDark(row, col + 1) |
| 1286 |
&& qrcode.isDark(row, col + 2) |
| 1287 |
&& qrcode.isDark(row, col + 3) |
| 1288 |
&& qrcode.isDark(row, col + 4) |
| 1289 |
&& !qrcode.isDark(row, col + 5) |
| 1290 |
&& qrcode.isDark(row, col + 6) ) { |
| 1291 |
lostPoint += 40; |
| 1292 |
} |
| 1293 |
} |
| 1294 |
} |
| 1295 |
|
| 1296 |
for (var col = 0; col < moduleCount; col += 1) { |
| 1297 |
for (var row = 0; row < moduleCount - 6; row += 1) { |
| 1298 |
if (qrcode.isDark(row, col) |
| 1299 |
&& !qrcode.isDark(row + 1, col) |
| 1300 |
&& qrcode.isDark(row + 2, col) |
| 1301 |
&& qrcode.isDark(row + 3, col) |
| 1302 |
&& qrcode.isDark(row + 4, col) |
| 1303 |
&& !qrcode.isDark(row + 5, col) |
| 1304 |
&& qrcode.isDark(row + 6, col) ) { |
| 1305 |
lostPoint += 40; |
| 1306 |
} |
| 1307 |
} |
| 1308 |
} |
| 1309 |
|
| 1310 |
// LEVEL4 |
| 1311 |
|
| 1312 |
var darkCount = 0; |
| 1313 |
|
| 1314 |
for (var col = 0; col < moduleCount; col += 1) { |
| 1315 |
for (var row = 0; row < moduleCount; row += 1) { |
| 1316 |
if (qrcode.isDark(row, col) ) { |
| 1317 |
darkCount += 1; |
| 1318 |
} |
| 1319 |
} |
| 1320 |
} |
| 1321 |
|
| 1322 |
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; |
| 1323 |
lostPoint += ratio * 10; |
| 1324 |
|
| 1325 |
return lostPoint; |
| 1326 |
}; |
| 1327 |
|
| 1328 |
return _this; |
| 1329 |
}(); |
| 1330 |
|
| 1331 |
//--------------------------------------------------------------------- |
| 1332 |
// QRMath |
| 1333 |
//--------------------------------------------------------------------- |
| 1334 |
|
| 1335 |
var QRMath = function() { |
| 1336 |
|
| 1337 |
var EXP_TABLE = new Array(256); |
| 1338 |
var LOG_TABLE = new Array(256); |
| 1339 |
|
| 1340 |
// initialize tables |
| 1341 |
for (var i = 0; i < 8; i += 1) { |
| 1342 |
EXP_TABLE[i] = 1 << i; |
| 1343 |
} |
| 1344 |
for (var i = 8; i < 256; i += 1) { |
| 1345 |
EXP_TABLE[i] = EXP_TABLE[i - 4] |
| 1346 |
^ EXP_TABLE[i - 5] |
| 1347 |
^ EXP_TABLE[i - 6] |
| 1348 |
^ EXP_TABLE[i - 8]; |
| 1349 |
} |
| 1350 |
for (var i = 0; i < 255; i += 1) { |
| 1351 |
LOG_TABLE[EXP_TABLE[i] ] = i; |
| 1352 |
} |
| 1353 |
|
| 1354 |
var _this = {}; |
| 1355 |
|
| 1356 |
_this.glog = function(n) { |
| 1357 |
|
| 1358 |
if (n < 1) { |
| 1359 |
throw new Error('glog(' + n + ')'); |
| 1360 |
} |
| 1361 |
|
| 1362 |
return LOG_TABLE[n]; |
| 1363 |
}; |
| 1364 |
|
| 1365 |
_this.gexp = function(n) { |
| 1366 |
|
| 1367 |
while (n < 0) { |
| 1368 |
n += 255; |
| 1369 |
} |
| 1370 |
|
| 1371 |
while (n >= 256) { |
| 1372 |
n -= 255; |
| 1373 |
} |
| 1374 |
|
| 1375 |
return EXP_TABLE[n]; |
| 1376 |
}; |
| 1377 |
|
| 1378 |
return _this; |
| 1379 |
}(); |
| 1380 |
|
| 1381 |
//--------------------------------------------------------------------- |
| 1382 |
// qrPolynomial |
| 1383 |
//--------------------------------------------------------------------- |
| 1384 |
|
| 1385 |
function qrPolynomial(num, shift) { |
| 1386 |
|
| 1387 |
if (typeof num.length == 'undefined') { |
| 1388 |
throw new Error(num.length + '/' + shift); |
| 1389 |
} |
| 1390 |
|
| 1391 |
var _num = function() { |
| 1392 |
var offset = 0; |
| 1393 |
while (offset < num.length && num[offset] == 0) { |
| 1394 |
offset += 1; |
| 1395 |
} |
| 1396 |
var _num = new Array(num.length - offset + shift); |
| 1397 |
for (var i = 0; i < num.length - offset; i += 1) { |
| 1398 |
_num[i] = num[i + offset]; |
| 1399 |
} |
| 1400 |
return _num; |
| 1401 |
}(); |
| 1402 |
|
| 1403 |
var _this = {}; |
| 1404 |
|
| 1405 |
_this.get = function(index) { |
| 1406 |
return _num[index]; |
| 1407 |
}; |
| 1408 |
|
| 1409 |
_this.getLength = function() { |
| 1410 |
return _num.length; |
| 1411 |
}; |
| 1412 |
|
| 1413 |
_this.multiply = function(e) { |
| 1414 |
|
| 1415 |
var num = new Array(_this.getLength() + e.getLength() - 1); |
| 1416 |
|
| 1417 |
for (var i = 0; i < _this.getLength(); i += 1) { |
| 1418 |
for (var j = 0; j < e.getLength(); j += 1) { |
| 1419 |
num[i + j] ^= QRMath.gexp(QRMath.glog(_this.get(i) ) + QRMath.glog(e.get(j) ) ); |
| 1420 |
} |
| 1421 |
} |
| 1422 |
|
| 1423 |
return qrPolynomial(num, 0); |
| 1424 |
}; |
| 1425 |
|
| 1426 |
_this.mod = function(e) { |
| 1427 |
|
| 1428 |
if (_this.getLength() - e.getLength() < 0) { |
| 1429 |
return _this; |
| 1430 |
} |
| 1431 |
|
| 1432 |
var ratio = QRMath.glog(_this.get(0) ) - QRMath.glog(e.get(0) ); |
| 1433 |
|
| 1434 |
var num = new Array(_this.getLength() ); |
| 1435 |
for (var i = 0; i < _this.getLength(); i += 1) { |
| 1436 |
num[i] = _this.get(i); |
| 1437 |
} |
| 1438 |
|
| 1439 |
for (var i = 0; i < e.getLength(); i += 1) { |
| 1440 |
num[i] ^= QRMath.gexp(QRMath.glog(e.get(i) ) + ratio); |
| 1441 |
} |
| 1442 |
|
| 1443 |
// recursive call |
| 1444 |
return qrPolynomial(num, 0).mod(e); |
| 1445 |
}; |
| 1446 |
|
| 1447 |
return _this; |
| 1448 |
}; |
| 1449 |
|
| 1450 |
//--------------------------------------------------------------------- |
| 1451 |
// QRRSBlock |
| 1452 |
//--------------------------------------------------------------------- |
| 1453 |
|
| 1454 |
var QRRSBlock = function() { |
| 1455 |
|
| 1456 |
var RS_BLOCK_TABLE = [ |
| 1457 |
|
| 1458 |
// L |
| 1459 |
// M |
| 1460 |
// Q |
| 1461 |
// H |
| 1462 |
|
| 1463 |
// 1 |
| 1464 |
[1, 26, 19], |
| 1465 |
[1, 26, 16], |
| 1466 |
[1, 26, 13], |
| 1467 |
[1, 26, 9], |
| 1468 |
|
| 1469 |
// 2 |
| 1470 |
[1, 44, 34], |
| 1471 |
[1, 44, 28], |
| 1472 |
[1, 44, 22], |
| 1473 |
[1, 44, 16], |
| 1474 |
|
| 1475 |
// 3 |
| 1476 |
[1, 70, 55], |
| 1477 |
[1, 70, 44], |
| 1478 |
[2, 35, 17], |
| 1479 |
[2, 35, 13], |
| 1480 |
|
| 1481 |
// 4 |
| 1482 |
[1, 100, 80], |
| 1483 |
[2, 50, 32], |
| 1484 |
[2, 50, 24], |
| 1485 |
[4, 25, 9], |
| 1486 |
|
| 1487 |
// 5 |
| 1488 |
[1, 134, 108], |
| 1489 |
[2, 67, 43], |
| 1490 |
[2, 33, 15, 2, 34, 16], |
| 1491 |
[2, 33, 11, 2, 34, 12], |
| 1492 |
|
| 1493 |
// 6 |
| 1494 |
[2, 86, 68], |
| 1495 |
[4, 43, 27], |
| 1496 |
[4, 43, 19], |
| 1497 |
[4, 43, 15], |
| 1498 |
|
| 1499 |
// 7 |
| 1500 |
[2, 98, 78], |
| 1501 |
[4, 49, 31], |
| 1502 |
[2, 32, 14, 4, 33, 15], |
| 1503 |
[4, 39, 13, 1, 40, 14], |
| 1504 |
|
| 1505 |
// 8 |
| 1506 |
[2, 121, 97], |
| 1507 |
[2, 60, 38, 2, 61, 39], |
| 1508 |
[4, 40, 18, 2, 41, 19], |
| 1509 |
[4, 40, 14, 2, 41, 15], |
| 1510 |
|
| 1511 |
// 9 |
| 1512 |
[2, 146, 116], |
| 1513 |
[3, 58, 36, 2, 59, 37], |
| 1514 |
[4, 36, 16, 4, 37, 17], |
| 1515 |
[4, 36, 12, 4, 37, 13], |
| 1516 |
|
| 1517 |
// 10 |
| 1518 |
[2, 86, 68, 2, 87, 69], |
| 1519 |
[4, 69, 43, 1, 70, 44], |
| 1520 |
[6, 43, 19, 2, 44, 20], |
| 1521 |
[6, 43, 15, 2, 44, 16], |
| 1522 |
|
| 1523 |
// 11 |
| 1524 |
[4, 101, 81], |
| 1525 |
[1, 80, 50, 4, 81, 51], |
| 1526 |
[4, 50, 22, 4, 51, 23], |
| 1527 |
[3, 36, 12, 8, 37, 13], |
| 1528 |
|
| 1529 |
// 12 |
| 1530 |
[2, 116, 92, 2, 117, 93], |
| 1531 |
[6, 58, 36, 2, 59, 37], |
| 1532 |
[4, 46, 20, 6, 47, 21], |
| 1533 |
[7, 42, 14, 4, 43, 15], |
| 1534 |
|
| 1535 |
// 13 |
| 1536 |
[4, 133, 107], |
| 1537 |
[8, 59, 37, 1, 60, 38], |
| 1538 |
[8, 44, 20, 4, 45, 21], |
| 1539 |
[12, 33, 11, 4, 34, 12], |
| 1540 |
|
| 1541 |
// 14 |
| 1542 |
[3, 145, 115, 1, 146, 116], |
| 1543 |
[4, 64, 40, 5, 65, 41], |
| 1544 |
[11, 36, 16, 5, 37, 17], |
| 1545 |
[11, 36, 12, 5, 37, 13], |
| 1546 |
|
| 1547 |
// 15 |
| 1548 |
[5, 109, 87, 1, 110, 88], |
| 1549 |
[5, 65, 41, 5, 66, 42], |
| 1550 |
[5, 54, 24, 7, 55, 25], |
| 1551 |
[11, 36, 12], |
| 1552 |
|
| 1553 |
// 16 |
| 1554 |
[5, 122, 98, 1, 123, 99], |
| 1555 |
[7, 73, 45, 3, 74, 46], |
| 1556 |
[15, 43, 19, 2, 44, 20], |
| 1557 |
[3, 45, 15, 13, 46, 16], |
| 1558 |
|
| 1559 |
// 17 |
| 1560 |
[1, 135, 107, 5, 136, 108], |
| 1561 |
[10, 74, 46, 1, 75, 47], |
| 1562 |
[1, 50, 22, 15, 51, 23], |
| 1563 |
[2, 42, 14, 17, 43, 15], |
| 1564 |
|
| 1565 |
// 18 |
| 1566 |
[5, 150, 120, 1, 151, 121], |
| 1567 |
[9, 69, 43, 4, 70, 44], |
| 1568 |
[17, 50, 22, 1, 51, 23], |
| 1569 |
[2, 42, 14, 19, 43, 15], |
| 1570 |
|
| 1571 |
// 19 |
| 1572 |
[3, 141, 113, 4, 142, 114], |
| 1573 |
[3, 70, 44, 11, 71, 45], |
| 1574 |
[17, 47, 21, 4, 48, 22], |
| 1575 |
[9, 39, 13, 16, 40, 14], |
| 1576 |
|
| 1577 |
// 20 |
| 1578 |
[3, 135, 107, 5, 136, 108], |
| 1579 |
[3, 67, 41, 13, 68, 42], |
| 1580 |
[15, 54, 24, 5, 55, 25], |
| 1581 |
[15, 43, 15, 10, 44, 16], |
| 1582 |
|
| 1583 |
// 21 |
| 1584 |
[4, 144, 116, 4, 145, 117], |
| 1585 |
[17, 68, 42], |
| 1586 |
[17, 50, 22, 6, 51, 23], |
| 1587 |
[19, 46, 16, 6, 47, 17], |
| 1588 |
|
| 1589 |
// 22 |
| 1590 |
[2, 139, 111, 7, 140, 112], |
| 1591 |
[17, 74, 46], |
| 1592 |
[7, 54, 24, 16, 55, 25], |
| 1593 |
[34, 37, 13], |
| 1594 |
|
| 1595 |
// 23 |
| 1596 |
[4, 151, 121, 5, 152, 122], |
| 1597 |
[4, 75, 47, 14, 76, 48], |
| 1598 |
[11, 54, 24, 14, 55, 25], |
| 1599 |
[16, 45, 15, 14, 46, 16], |
| 1600 |
|
| 1601 |
// 24 |
| 1602 |
[6, 147, 117, 4, 148, 118], |
| 1603 |
[6, 73, 45, 14, 74, 46], |
| 1604 |
[11, 54, 24, 16, 55, 25], |
| 1605 |
[30, 46, 16, 2, 47, 17], |
| 1606 |
|
| 1607 |
// 25 |
| 1608 |
[8, 132, 106, 4, 133, 107], |
| 1609 |
[8, 75, 47, 13, 76, 48], |
| 1610 |
[7, 54, 24, 22, 55, 25], |
| 1611 |
[22, 45, 15, 13, 46, 16], |
| 1612 |
|
| 1613 |
// 26 |
| 1614 |
[10, 142, 114, 2, 143, 115], |
| 1615 |
[19, 74, 46, 4, 75, 47], |
| 1616 |
[28, 50, 22, 6, 51, 23], |
| 1617 |
[33, 46, 16, 4, 47, 17], |
| 1618 |
|
| 1619 |
// 27 |
| 1620 |
[8, 152, 122, 4, 153, 123], |
| 1621 |
[22, 73, 45, 3, 74, 46], |
| 1622 |
[8, 53, 23, 26, 54, 24], |
| 1623 |
[12, 45, 15, 28, 46, 16], |
| 1624 |
|
| 1625 |
// 28 |
| 1626 |
[3, 147, 117, 10, 148, 118], |
| 1627 |
[3, 73, 45, 23, 74, 46], |
| 1628 |
[4, 54, 24, 31, 55, 25], |
| 1629 |
[11, 45, 15, 31, 46, 16], |
| 1630 |
|
| 1631 |
// 29 |
| 1632 |
[7, 146, 116, 7, 147, 117], |
| 1633 |
[21, 73, 45, 7, 74, 46], |
| 1634 |
[1, 53, 23, 37, 54, 24], |
| 1635 |
[19, 45, 15, 26, 46, 16], |
| 1636 |
|
| 1637 |
// 30 |
| 1638 |
[5, 145, 115, 10, 146, 116], |
| 1639 |
[19, 75, 47, 10, 76, 48], |
| 1640 |
[15, 54, 24, 25, 55, 25], |
| 1641 |
[23, 45, 15, 25, 46, 16], |
| 1642 |
|
| 1643 |
// 31 |
| 1644 |
[13, 145, 115, 3, 146, 116], |
| 1645 |
[2, 74, 46, 29, 75, 47], |
| 1646 |
[42, 54, 24, 1, 55, 25], |
| 1647 |
[23, 45, 15, 28, 46, 16], |
| 1648 |
|
| 1649 |
// 32 |
| 1650 |
[17, 145, 115], |
| 1651 |
[10, 74, 46, 23, 75, 47], |
| 1652 |
[10, 54, 24, 35, 55, 25], |
| 1653 |
[19, 45, 15, 35, 46, 16], |
| 1654 |
|
| 1655 |
// 33 |
| 1656 |
[17, 145, 115, 1, 146, 116], |
| 1657 |
[14, 74, 46, 21, 75, 47], |
| 1658 |
[29, 54, 24, 19, 55, 25], |
| 1659 |
[11, 45, 15, 46, 46, 16], |
| 1660 |
|
| 1661 |
// 34 |
| 1662 |
[13, 145, 115, 6, 146, 116], |
| 1663 |
[14, 74, 46, 23, 75, 47], |
| 1664 |
[44, 54, 24, 7, 55, 25], |
| 1665 |
[59, 46, 16, 1, 47, 17], |
| 1666 |
|
| 1667 |
// 35 |
| 1668 |
[12, 151, 121, 7, 152, 122], |
| 1669 |
[12, 75, 47, 26, 76, 48], |
| 1670 |
[39, 54, 24, 14, 55, 25], |
| 1671 |
[22, 45, 15, 41, 46, 16], |
| 1672 |
|
| 1673 |
// 36 |
| 1674 |
[6, 151, 121, 14, 152, 122], |
| 1675 |
[6, 75, 47, 34, 76, 48], |
| 1676 |
[46, 54, 24, 10, 55, 25], |
| 1677 |
[2, 45, 15, 64, 46, 16], |
| 1678 |
|
| 1679 |
// 37 |
| 1680 |
[17, 152, 122, 4, 153, 123], |
| 1681 |
[29, 74, 46, 14, 75, 47], |
| 1682 |
[49, 54, 24, 10, 55, 25], |
| 1683 |
[24, 45, 15, 46, 46, 16], |
| 1684 |
|
| 1685 |
// 38 |
| 1686 |
[4, 152, 122, 18, 153, 123], |
| 1687 |
[13, 74, 46, 32, 75, 47], |
| 1688 |
[48, 54, 24, 14, 55, 25], |
| 1689 |
[42, 45, 15, 32, 46, 16], |
| 1690 |
|
| 1691 |
// 39 |
| 1692 |
[20, 147, 117, 4, 148, 118], |
| 1693 |
[40, 75, 47, 7, 76, 48], |
| 1694 |
[43, 54, 24, 22, 55, 25], |
| 1695 |
[10, 45, 15, 67, 46, 16], |
| 1696 |
|
| 1697 |
// 40 |
| 1698 |
[19, 148, 118, 6, 149, 119], |
| 1699 |
[18, 75, 47, 31, 76, 48], |
| 1700 |
[34, 54, 24, 34, 55, 25], |
| 1701 |
[20, 45, 15, 61, 46, 16] |
| 1702 |
]; |
| 1703 |
|
| 1704 |
var qrRSBlock = function(totalCount, dataCount) { |
| 1705 |
var _this = {}; |
| 1706 |
_this.totalCount = totalCount; |
| 1707 |
_this.dataCount = dataCount; |
| 1708 |
return _this; |
| 1709 |
}; |
| 1710 |
|
| 1711 |
var _this = {}; |
| 1712 |
|
| 1713 |
var getRsBlockTable = function(typeNumber, errorCorrectLevel) { |
| 1714 |
|
| 1715 |
switch(errorCorrectLevel) { |
| 1716 |
case QRErrorCorrectLevel.L : |
| 1717 |
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]; |
| 1718 |
case QRErrorCorrectLevel.M : |
| 1719 |
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; |
| 1720 |
case QRErrorCorrectLevel.Q : |
| 1721 |
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; |
| 1722 |
case QRErrorCorrectLevel.H : |
| 1723 |
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; |
| 1724 |
default : |
| 1725 |
return undefined; |
| 1726 |
} |
| 1727 |
}; |
| 1728 |
|
| 1729 |
_this.getRSBlocks = function(typeNumber, errorCorrectLevel) { |
| 1730 |
|
| 1731 |
var rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel); |
| 1732 |
|
| 1733 |
if (typeof rsBlock == 'undefined') { |
| 1734 |
throw new Error('bad rs block @ typeNumber:' + typeNumber + |
| 1735 |
'/errorCorrectLevel:' + errorCorrectLevel); |
| 1736 |
} |
| 1737 |
|
| 1738 |
var length = rsBlock.length / 3; |
| 1739 |
|
| 1740 |
var list = new Array(); |
| 1741 |
|
| 1742 |
for (var i = 0; i < length; i += 1) { |
| 1743 |
|
| 1744 |
var count = rsBlock[i * 3 + 0]; |
| 1745 |
var totalCount = rsBlock[i * 3 + 1]; |
| 1746 |
var dataCount = rsBlock[i * 3 + 2]; |
| 1747 |
|
| 1748 |
for (var j = 0; j < count; j += 1) { |
| 1749 |
list.push(qrRSBlock(totalCount, dataCount) ); |
| 1750 |
} |
| 1751 |
} |
| 1752 |
|
| 1753 |
return list; |
| 1754 |
}; |
| 1755 |
|
| 1756 |
return _this; |
| 1757 |
}(); |
| 1758 |
|
| 1759 |
//--------------------------------------------------------------------- |
| 1760 |
// qrBitBuffer |
| 1761 |
//--------------------------------------------------------------------- |
| 1762 |
|
| 1763 |
var qrBitBuffer = function() { |
| 1764 |
|
| 1765 |
var _buffer = new Array(); |
| 1766 |
var _length = 0; |
| 1767 |
|
| 1768 |
var _this = {}; |
| 1769 |
|
| 1770 |
_this.getBuffer = function() { |
| 1771 |
return _buffer; |
| 1772 |
}; |
| 1773 |
|
| 1774 |
_this.get = function(index) { |
| 1775 |
var bufIndex = Math.floor(index / 8); |
| 1776 |
return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1; |
| 1777 |
}; |
| 1778 |
|
| 1779 |
_this.put = function(num, length) { |
| 1780 |
for (var i = 0; i < length; i += 1) { |
| 1781 |
_this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1); |
| 1782 |
} |
| 1783 |
}; |
| 1784 |
|
| 1785 |
_this.getLengthInBits = function() { |
| 1786 |
return _length; |
| 1787 |
}; |
| 1788 |
|
| 1789 |
_this.putBit = function(bit) { |
| 1790 |
|
| 1791 |
var bufIndex = Math.floor(_length / 8); |
| 1792 |
if (_buffer.length <= bufIndex) { |
| 1793 |
_buffer.push(0); |
| 1794 |
} |
| 1795 |
|
| 1796 |
if (bit) { |
| 1797 |
_buffer[bufIndex] |= (0x80 >>> (_length % 8) ); |
| 1798 |
} |
| 1799 |
|
| 1800 |
_length += 1; |
| 1801 |
}; |
| 1802 |
|
| 1803 |
return _this; |
| 1804 |
}; |
| 1805 |
|
| 1806 |
//--------------------------------------------------------------------- |
| 1807 |
// qr8BitByte |
| 1808 |
//--------------------------------------------------------------------- |
| 1809 |
|
| 1810 |
var qr8BitByte = function(data) { |
| 1811 |
|
| 1812 |
var _mode = QRMode.MODE_8BIT_BYTE; |
| 1813 |
var _data = data; |
| 1814 |
var _bytes = qrcode.stringToBytes(data); |
| 1815 |
|
| 1816 |
var _this = {}; |
| 1817 |
|
| 1818 |
_this.getMode = function() { |
| 1819 |
return _mode; |
| 1820 |
}; |
| 1821 |
|
| 1822 |
_this.getLength = function(buffer) { |
| 1823 |
return _bytes.length; |
| 1824 |
}; |
| 1825 |
|
| 1826 |
_this.write = function(buffer) { |
| 1827 |
for (var i = 0; i < _bytes.length; i += 1) { |
| 1828 |
buffer.put(_bytes[i], 8); |
| 1829 |
} |
| 1830 |
}; |
| 1831 |
|
| 1832 |
return _this; |
| 1833 |
}; |
| 1834 |
|
| 1835 |
//===================================================================== |
| 1836 |
// GIF Support etc. |
| 1837 |
// |
| 1838 |
|
| 1839 |
//--------------------------------------------------------------------- |
| 1840 |
// byteArrayOutputStream |
| 1841 |
//--------------------------------------------------------------------- |
| 1842 |
|
| 1843 |
var byteArrayOutputStream = function() { |
| 1844 |
|
| 1845 |
var _bytes = new Array(); |
| 1846 |
|
| 1847 |
var _this = {}; |
| 1848 |
|
| 1849 |
_this.writeByte = function(b) { |
| 1850 |
_bytes.push(b & 0xff); |
| 1851 |
}; |
| 1852 |
|
| 1853 |
_this.writeShort = function(i) { |
| 1854 |
_this.writeByte(i); |
| 1855 |
_this.writeByte(i >>> 8); |
| 1856 |
}; |
| 1857 |
|
| 1858 |
_this.writeBytes = function(b, off, len) { |
| 1859 |
off = off || 0; |
| 1860 |
len = len || b.length; |
| 1861 |
for (var i = 0; i < len; i += 1) { |
| 1862 |
_this.writeByte(b[i + off]); |
| 1863 |
} |
| 1864 |
}; |
| 1865 |
|
| 1866 |
_this.writeString = function(s) { |
| 1867 |
for (var i = 0; i < s.length; i += 1) { |
| 1868 |
_this.writeByte(s.charCodeAt(i) ); |
| 1869 |
} |
| 1870 |
}; |
| 1871 |
|
| 1872 |
_this.toByteArray = function() { |
| 1873 |
return _bytes; |
| 1874 |
}; |
| 1875 |
|
| 1876 |
_this.toString = function() { |
| 1877 |
var s = ''; |
| 1878 |
s += '['; |
| 1879 |
for (var i = 0; i < _bytes.length; i += 1) { |
| 1880 |
if (i > 0) { |
| 1881 |
s += ','; |
| 1882 |
} |
| 1883 |
s += _bytes[i]; |
| 1884 |
} |
| 1885 |
s += ']'; |
| 1886 |
return s; |
| 1887 |
}; |
| 1888 |
|
| 1889 |
return _this; |
| 1890 |
}; |
| 1891 |
|
| 1892 |
//--------------------------------------------------------------------- |
| 1893 |
// base64EncodeOutputStream |
| 1894 |
//--------------------------------------------------------------------- |
| 1895 |
|
| 1896 |
var base64EncodeOutputStream = function() { |
| 1897 |
|
| 1898 |
var _buffer = 0; |
| 1899 |
var _buflen = 0; |
| 1900 |
var _length = 0; |
| 1901 |
var _base64 = ''; |
| 1902 |
|
| 1903 |
var _this = {}; |
| 1904 |
|
| 1905 |
var writeEncoded = function(b) { |
| 1906 |
_base64 += String.fromCharCode(encode(b & 0x3f) ); |
| 1907 |
}; |
| 1908 |
|
| 1909 |
var encode = function(n) { |
| 1910 |
if (n < 0) { |
| 1911 |
// error. |
| 1912 |
} else if (n < 26) { |
| 1913 |
return 0x41 + n; |
| 1914 |
} else if (n < 52) { |
| 1915 |
return 0x61 + (n - 26); |
| 1916 |
} else if (n < 62) { |
| 1917 |
return 0x30 + (n - 52); |
| 1918 |
} else if (n == 62) { |
| 1919 |
return 0x2b; |
| 1920 |
} else if (n == 63) { |
| 1921 |
return 0x2f; |
| 1922 |
} |
| 1923 |
throw new Error('n:' + n); |
| 1924 |
}; |
| 1925 |
|
| 1926 |
_this.writeByte = function(n) { |
| 1927 |
|
| 1928 |
_buffer = (_buffer << 8) | (n & 0xff); |
| 1929 |
_buflen += 8; |
| 1930 |
_length += 1; |
| 1931 |
|
| 1932 |
while (_buflen >= 6) { |
| 1933 |
writeEncoded(_buffer >>> (_buflen - 6) ); |
| 1934 |
_buflen -= 6; |
| 1935 |
} |
| 1936 |
}; |
| 1937 |
|
| 1938 |
_this.flush = function() { |
| 1939 |
|
| 1940 |
if (_buflen > 0) { |
| 1941 |
writeEncoded(_buffer << (6 - _buflen) ); |
| 1942 |
_buffer = 0; |
| 1943 |
_buflen = 0; |
| 1944 |
} |
| 1945 |
|
| 1946 |
if (_length % 3 != 0) { |
| 1947 |
// padding |
| 1948 |
var padlen = 3 - _length % 3; |
| 1949 |
for (var i = 0; i < padlen; i += 1) { |
| 1950 |
_base64 += '='; |
| 1951 |
} |
| 1952 |
} |
| 1953 |
}; |
| 1954 |
|
| 1955 |
_this.toString = function() { |
| 1956 |
return _base64; |
| 1957 |
}; |
| 1958 |
|
| 1959 |
return _this; |
| 1960 |
}; |
| 1961 |
|
| 1962 |
//--------------------------------------------------------------------- |
| 1963 |
// base64DecodeInputStream |
| 1964 |
//--------------------------------------------------------------------- |
| 1965 |
|
| 1966 |
var base64DecodeInputStream = function(str) { |
| 1967 |
|
| 1968 |
var _str = str; |
| 1969 |
var _pos = 0; |
| 1970 |
var _buffer = 0; |
| 1971 |
var _buflen = 0; |
| 1972 |
|
| 1973 |
var _this = {}; |
| 1974 |
|
| 1975 |
_this.read = function() { |
| 1976 |
|
| 1977 |
while (_buflen < 8) { |
| 1978 |
|
| 1979 |
if (_pos >= _str.length) { |
| 1980 |
if (_buflen == 0) { |
| 1981 |
return -1; |
| 1982 |
} |
| 1983 |
throw new Error('unexpected end of file./' + _buflen); |
| 1984 |
} |
| 1985 |
|
| 1986 |
var c = _str.charAt(_pos); |
| 1987 |
_pos += 1; |
| 1988 |
|
| 1989 |
if (c == '=') { |
| 1990 |
_buflen = 0; |
| 1991 |
return -1; |
| 1992 |
} else if (c.match(/^\s$/) ) { |
| 1993 |
// ignore if whitespace. |
| 1994 |
continue; |
| 1995 |
} |
| 1996 |
|
| 1997 |
_buffer = (_buffer << 6) | decode(c.charCodeAt(0) ); |
| 1998 |
_buflen += 6; |
| 1999 |
} |
| 2000 |
|
| 2001 |
var n = (_buffer >>> (_buflen - 8) ) & 0xff; |
| 2002 |
_buflen -= 8; |
| 2003 |
return n; |
| 2004 |
}; |
| 2005 |
|
| 2006 |
var decode = function(c) { |
| 2007 |
if (0x41 <= c && c <= 0x5a) { |
| 2008 |
return c - 0x41; |
| 2009 |
} else if (0x61 <= c && c <= 0x7a) { |
| 2010 |
return c - 0x61 + 26; |
| 2011 |
} else if (0x30 <= c && c <= 0x39) { |
| 2012 |
return c - 0x30 + 52; |
| 2013 |
} else if (c == 0x2b) { |
| 2014 |
return 62; |
| 2015 |
} else if (c == 0x2f) { |
| 2016 |
return 63; |
| 2017 |
} else { |
| 2018 |
throw new Error('c:' + c); |
| 2019 |
} |
| 2020 |
}; |
| 2021 |
|
| 2022 |
return _this; |
| 2023 |
}; |
| 2024 |
|
| 2025 |
//--------------------------------------------------------------------- |
| 2026 |
// gifImage (B/W) |
| 2027 |
//--------------------------------------------------------------------- |
| 2028 |
|
| 2029 |
var gifImage = function(width, height) { |
| 2030 |
|
| 2031 |
var _width = width; |
| 2032 |
var _height = height; |
| 2033 |
var _data = new Array(width * height); |
| 2034 |
|
| 2035 |
var _this = {}; |
| 2036 |
|
| 2037 |
_this.setPixel = function(x, y, pixel) { |
| 2038 |
_data[y * _width + x] = pixel; |
| 2039 |
}; |
| 2040 |
|
| 2041 |
_this.write = function(out) { |
| 2042 |
|
| 2043 |
//--------------------------------- |
| 2044 |
// GIF Signature |
| 2045 |
|
| 2046 |
out.writeString('GIF87a'); |
| 2047 |
|
| 2048 |
//--------------------------------- |
| 2049 |
// Screen Descriptor |
| 2050 |
|
| 2051 |
out.writeShort(_width); |
| 2052 |
out.writeShort(_height); |
| 2053 |
|
| 2054 |
out.writeByte(0x80); // 2bit |
| 2055 |
out.writeByte(0); |
| 2056 |
out.writeByte(0); |
| 2057 |
|
| 2058 |
//--------------------------------- |
| 2059 |
// Global Color Map |
| 2060 |
|
| 2061 |
// black |
| 2062 |
out.writeByte(0x00); |
| 2063 |
out.writeByte(0x00); |
| 2064 |
out.writeByte(0x00); |
| 2065 |
|
| 2066 |
// white |
| 2067 |
out.writeByte(0xff); |
| 2068 |
out.writeByte(0xff); |
| 2069 |
out.writeByte(0xff); |
| 2070 |
|
| 2071 |
//--------------------------------- |
| 2072 |
// Image Descriptor |
| 2073 |
|
| 2074 |
out.writeString(','); |
| 2075 |
out.writeShort(0); |
| 2076 |
out.writeShort(0); |
| 2077 |
out.writeShort(_width); |
| 2078 |
out.writeShort(_height); |
| 2079 |
out.writeByte(0); |
| 2080 |
|
| 2081 |
//--------------------------------- |
| 2082 |
// Local Color Map |
| 2083 |
|
| 2084 |
//--------------------------------- |
| 2085 |
// Raster Data |
| 2086 |
|
| 2087 |
var lzwMinCodeSize = 2; |
| 2088 |
var raster = getLZWRaster(lzwMinCodeSize); |
| 2089 |
|
| 2090 |
out.writeByte(lzwMinCodeSize); |
| 2091 |
|
| 2092 |
var offset = 0; |
| 2093 |
|
| 2094 |
while (raster.length - offset > 255) { |
| 2095 |
out.writeByte(255); |
| 2096 |
out.writeBytes(raster, offset, 255); |
| 2097 |
offset += 255; |
| 2098 |
} |
| 2099 |
|
| 2100 |
out.writeByte(raster.length - offset); |
| 2101 |
out.writeBytes(raster, offset, raster.length - offset); |
| 2102 |
out.writeByte(0x00); |
| 2103 |
|
| 2104 |
//--------------------------------- |
| 2105 |
// GIF Terminator |
| 2106 |
out.writeString(';'); |
| 2107 |
}; |
| 2108 |
|
| 2109 |
var bitOutputStream = function(out) { |
| 2110 |
|
| 2111 |
var _out = out; |
| 2112 |
var _bitLength = 0; |
| 2113 |
var _bitBuffer = 0; |
| 2114 |
|
| 2115 |
var _this = {}; |
| 2116 |
|
| 2117 |
_this.write = function(data, length) { |
| 2118 |
|
| 2119 |
if ( (data >>> length) != 0) { |
| 2120 |
throw new Error('length over'); |
| 2121 |
} |
| 2122 |
|
| 2123 |
while (_bitLength + length >= 8) { |
| 2124 |
_out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) ); |
| 2125 |
length -= (8 - _bitLength); |
| 2126 |
data >>>= (8 - _bitLength); |
| 2127 |
_bitBuffer = 0; |
| 2128 |
_bitLength = 0; |
| 2129 |
} |
| 2130 |
|
| 2131 |
_bitBuffer = (data << _bitLength) | _bitBuffer; |
| 2132 |
_bitLength = _bitLength + length; |
| 2133 |
}; |
| 2134 |
|
| 2135 |
_this.flush = function() { |
| 2136 |
if (_bitLength > 0) { |
| 2137 |
_out.writeByte(_bitBuffer); |
| 2138 |
} |
| 2139 |
}; |
| 2140 |
|
| 2141 |
return _this; |
| 2142 |
}; |
| 2143 |
|
| 2144 |
var getLZWRaster = function(lzwMinCodeSize) { |
| 2145 |
|
| 2146 |
var clearCode = 1 << lzwMinCodeSize; |
| 2147 |
var endCode = (1 << lzwMinCodeSize) + 1; |
| 2148 |
var bitLength = lzwMinCodeSize + 1; |
| 2149 |
|
| 2150 |
// Setup LZWTable |
| 2151 |
var table = lzwTable(); |
| 2152 |
|
| 2153 |
for (var i = 0; i < clearCode; i += 1) { |
| 2154 |
table.add(String.fromCharCode(i) ); |
| 2155 |
} |
| 2156 |
table.add(String.fromCharCode(clearCode) ); |
| 2157 |
table.add(String.fromCharCode(endCode) ); |
| 2158 |
|
| 2159 |
var byteOut = byteArrayOutputStream(); |
| 2160 |
var bitOut = bitOutputStream(byteOut); |
| 2161 |
|
| 2162 |
// clear code |
| 2163 |
bitOut.write(clearCode, bitLength); |
| 2164 |
|
| 2165 |
var dataIndex = 0; |
| 2166 |
|
| 2167 |
var s = String.fromCharCode(_data[dataIndex]); |
| 2168 |
dataIndex += 1; |
| 2169 |
|
| 2170 |
while (dataIndex < _data.length) { |
| 2171 |
|
| 2172 |
var c = String.fromCharCode(_data[dataIndex]); |
| 2173 |
dataIndex += 1; |
| 2174 |
|
| 2175 |
if (table.contains(s + c) ) { |
| 2176 |
|
| 2177 |
s = s + c; |
| 2178 |
|
| 2179 |
} else { |
| 2180 |
|
| 2181 |
bitOut.write(table.indexOf(s), bitLength); |
| 2182 |
|
| 2183 |
if (table.size() < 0xfff) { |
| 2184 |
|
| 2185 |
if (table.size() == (1 << bitLength) ) { |
| 2186 |
bitLength += 1; |
| 2187 |
} |
| 2188 |
|
| 2189 |
table.add(s + c); |
| 2190 |
} |
| 2191 |
|
| 2192 |
s = c; |
| 2193 |
} |
| 2194 |
} |
| 2195 |
|
| 2196 |
bitOut.write(table.indexOf(s), bitLength); |
| 2197 |
|
| 2198 |
// end code |
| 2199 |
bitOut.write(endCode, bitLength); |
| 2200 |
|
| 2201 |
bitOut.flush(); |
| 2202 |
|
| 2203 |
return byteOut.toByteArray(); |
| 2204 |
}; |
| 2205 |
|
| 2206 |
var lzwTable = function() { |
| 2207 |
|
| 2208 |
var _map = {}; |
| 2209 |
var _size = 0; |
| 2210 |
|
| 2211 |
var _this = {}; |
| 2212 |
|
| 2213 |
_this.add = function(key) { |
| 2214 |
if (_this.contains(key) ) { |
| 2215 |
throw new Error('dup key:' + key); |
| 2216 |
} |
| 2217 |
_map[key] = _size; |
| 2218 |
_size += 1; |
| 2219 |
}; |
| 2220 |
|
| 2221 |
_this.size = function() { |
| 2222 |
return _size; |
| 2223 |
}; |
| 2224 |
|
| 2225 |
_this.indexOf = function(key) { |
| 2226 |
return _map[key]; |
| 2227 |
}; |
| 2228 |
|
| 2229 |
_this.contains = function(key) { |
| 2230 |
return typeof _map[key] != 'undefined'; |
| 2231 |
}; |
| 2232 |
|
| 2233 |
return _this; |
| 2234 |
}; |
| 2235 |
|
| 2236 |
return _this; |
| 2237 |
}; |
| 2238 |
|
| 2239 |
var createImgTag = function(width, height, getPixel, alt) { |
| 2240 |
|
| 2241 |
var gif = gifImage(width, height); |
| 2242 |
for (var y = 0; y < height; y += 1) { |
| 2243 |
for (var x = 0; x < width; x += 1) { |
| 2244 |
gif.setPixel(x, y, getPixel(x, y) ); |
| 2245 |
} |
| 2246 |
} |
| 2247 |
|
| 2248 |
var b = byteArrayOutputStream(); |
| 2249 |
gif.write(b); |
| 2250 |
|
| 2251 |
var base64 = base64EncodeOutputStream(); |
| 2252 |
var bytes = b.toByteArray(); |
| 2253 |
for (var i = 0; i < bytes.length; i += 1) { |
| 2254 |
base64.writeByte(bytes[i]); |
| 2255 |
} |
| 2256 |
base64.flush(); |
| 2257 |
|
| 2258 |
var img = ''; |
| 2259 |
img += '<img'; |
| 2260 |
img += '\u0020src="'; |
| 2261 |
img += 'data:image/gif;base64,'; |
| 2262 |
img += base64; |
| 2263 |
img += '"'; |
| 2264 |
img += '\u0020width="'; |
| 2265 |
img += width; |
| 2266 |
img += '"'; |
| 2267 |
img += '\u0020height="'; |
| 2268 |
img += height; |
| 2269 |
img += '"'; |
| 2270 |
if (alt) { |
| 2271 |
img += '\u0020alt="'; |
| 2272 |
img += alt; |
| 2273 |
img += '"'; |
| 2274 |
} |
| 2275 |
img += '/>'; |
| 2276 |
|
| 2277 |
return img; |
| 2278 |
}; |
| 2279 |
|
| 2280 |
//--------------------------------------------------------------------- |
| 2281 |
// returns qrcode function. |
| 2282 |
|
| 2283 |
return qrcode; |
| 2284 |
}(); |
| 2285 |
|
| 2286 |
|
| 2287 |
}()); |
| 2288 |
|
