diff --git a/dist/jquery-qrcode.js b/dist/jquery-qrcode.js index a191c01..b87e884 100644 --- a/dist/jquery-qrcode.js +++ b/dist/jquery-qrcode.js @@ -1,19 +1,27 @@ -/*! jquery-qrcode v0.13.4 - https://larsjung.de/jquery-qrcode/ */ +/*! jquery-qrcode v0.14.0 - https://larsjung.de/jquery-qrcode/ */ (function (vendor_qrcode) { 'use strict'; - var $ = jQuery; // eslint-disable-line no-undef + var jq = window.jQuery; + + // Check if canvas is available in the browser (as Modernizr does) + var hasCanvas = (function () { + var elem = document.createElement('canvas'); + return !!(elem.getContext && elem.getContext('2d')); + }()); // Wrapper for the original QR code generator. - function QRCode(text, level, version, quiet) { - var qr = vendor_qrcode(version, level); - qr.addData(text); - qr.make(); + function createQRCode(text, level, version, quiet) { + var qr = {}; + + var vqr = vendor_qrcode(version, level); + vqr.addData(text); + vqr.make(); quiet = quiet || 0; - var qrModuleCount = qr.getModuleCount(); - var quietModuleCount = qr.getModuleCount() + 2 * quiet; + var qrModuleCount = vqr.getModuleCount(); + var quietModuleCount = vqr.getModuleCount() + 2 * quiet; function isDark(row, col) { row -= quiet; @@ -22,15 +30,14 @@ if (row < 0 || row >= qrModuleCount || col < 0 || col >= qrModuleCount) { return false; } - - return qr.isDark(row, col); + return vqr.isDark(row, col); } - var addBlank = function (l, t, r, b) { - var prevIsDark = this.isDark; // eslint-disable-line no-invalid-this + function addBlank(l, t, r, b) { + var prevIsDark = qr.isDark; var moduleSize = 1 / quietModuleCount; - this.isDark = function (row, col) { // eslint-disable-line no-invalid-this + qr.isDark = function (row, col) { var ml = col * moduleSize; var mt = row * moduleSize; var mr = ml + moduleSize; @@ -38,39 +45,35 @@ return prevIsDark(row, col) && (l > mr || ml > r || t > mb || mt > b); }; - }; + } - this.text = text; - this.level = level; - this.version = version; - this.moduleCount = quietModuleCount; - this.isDark = isDark; - this.addBlank = addBlank; - } + qr.text = text; + qr.level = level; + qr.version = version; + qr.moduleCount = quietModuleCount; + qr.isDark = isDark; + qr.addBlank = addBlank; - // Check if canvas is available in the browser (as Modernizr does) - var hasCanvas = (function () { - var elem = document.createElement('canvas'); - return Boolean(elem.getContext && elem.getContext('2d')); - }()); + return qr; + } // Returns a minimal QR code for the given text starting with version `minVersion`. // Returns `undefined` if `text` is too long to be encoded in `maxVersion`. - function createQRCode(text, level, minVersion, maxVersion, quiet) { + function createMinQRCode(text, level, minVersion, maxVersion, quiet) { minVersion = Math.max(1, minVersion || 1); maxVersion = Math.min(40, maxVersion || 40); for (var version = minVersion; version <= maxVersion; version += 1) { try { - return new QRCode(text, level, version, quiet); + return createQRCode(text, level, version, quiet); } catch (err) {/* empty */} } - return null; + return undefined; } function drawBackgroundLabel(qr, context, settings) { var size = settings.size; - var font = 'bold ' + (settings.mSize * size) + 'px ' + settings.fontname; - var ctx = $('')[0].getContext('2d'); + var font = 'bold ' + settings.mSize * size + 'px ' + settings.fontname; + var ctx = jq('')[0].getContext('2d'); ctx.font = font; @@ -120,7 +123,7 @@ } function drawBackground(qr, context, settings) { - if ($(settings.background).is('img')) { + if (jq(settings.background).is('img')) { context.drawImage(settings.background, 0, 0, settings.size, settings.size); } else if (settings.background) { context.fillStyle = settings.background; @@ -254,7 +257,7 @@ fn(qr, context, settings, l, t, w, row, col); } } - if ($(settings.fill).is('img')) { + if (jq(settings.fill).is('img')) { context.strokeStyle = 'rgba(0,0,0,0.5)'; context.lineWidth = 2; context.stroke(); @@ -274,12 +277,12 @@ // Draws QR code to the given `canvas` and returns it. function drawOnCanvas(canvas, settings) { - var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); + var qr = createMinQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); if (!qr) { return null; } - var $canvas = $(canvas).data('qrcode', qr); + var $canvas = jq(canvas).data('qrcode', qr); var context = $canvas[0].getContext('2d'); drawBackground(qr, context, settings); @@ -290,18 +293,18 @@ // Returns a `canvas` element representing the QR code for the given settings. function createCanvas(settings) { - var $canvas = $('').attr('width', settings.size).attr('height', settings.size); + var $canvas = jq('').attr('width', settings.size).attr('height', settings.size); return drawOnCanvas($canvas, settings); } // Returns an `image` element representing the QR code for the given settings. function createImage(settings) { - return $('').attr('src', createCanvas(settings)[0].toDataURL('image/png')); + return jq('').attr('src', createCanvas(settings)[0].toDataURL('image/png')); } // Returns a `div` element representing the QR code for the given settings. function createDiv(settings) { - var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); + var qr = createMinQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); if (!qr) { return null; } @@ -336,7 +339,7 @@ 'background-color': settings.fill }; - var $div = $('
').data('qrcode', qr).css(containerCSS); + var $div = jq('
').data('qrcode', qr).css(containerCSS); if (settings_bgColor) { $div.css('background-color', settings_bgColor); @@ -345,7 +348,7 @@ for (row = 0; row < moduleCount; row += 1) { for (col = 0; col < moduleCount; col += 1) { if (qr.isDark(row, col)) { - $('
') + jq('
') .css(darkCSS) .css({ left: offset + col * moduleSize, @@ -428,14 +431,14 @@ // Register the plugin // ------------------- - $.fn.qrcode = function (options) { - var settings = $.extend({}, defaults, options); + jq.fn.qrcode = function (options) { + var settings = jq.extend({}, defaults, options); - return this.each(function () { - if (this.nodeName.toLowerCase() === 'canvas') { // eslint-disable-line no-invalid-this - drawOnCanvas(this, settings); // eslint-disable-line no-invalid-this + return this.each(function (idx, el) { + if (el.nodeName.toLowerCase() === 'canvas') { + drawOnCanvas(el, settings); } else { - $(this).append(createHTML(settings)); // eslint-disable-line no-invalid-this + jq(el).append(createHTML(settings)); } }); }; diff --git a/dist/jquery-qrcode.min.js b/dist/jquery-qrcode.min.js index b89cce6..f718c22 100644 --- a/dist/jquery-qrcode.min.js +++ b/dist/jquery-qrcode.min.js @@ -1,2 +1,2 @@ -/*! jquery-qrcode v0.13.4 - https://larsjung.de/jquery-qrcode/ */ -!function(r){"use strict";function t(t,e,n,o){function i(r,t){return r-=o,t-=o,0>r||r>=u||0>t||t>=u?!1:a.isDark(r,t)}var a=r(n,e);a.addData(t),a.make(),o=o||0;var u=a.getModuleCount(),f=a.getModuleCount()+2*o,c=function(r,t,e,n){var o=this.isDark,i=1/f;this.isDark=function(a,u){var f=u*i,c=a*i,l=f+i,g=c+i;return o(a,u)&&(r>l||f>e||t>g||c>n)}};this.text=t,this.level=e,this.version=n,this.moduleCount=f,this.isDark=i,this.addBlank=c}function e(r,e,n,o,i){n=Math.max(1,n||1),o=Math.min(40,o||40);for(var a=n;o>=a;a+=1)try{return new t(r,e,a,i)}catch(u){}return null}function n(r,t,e){var n=e.size,o="bold "+e.mSize*n+"px "+e.fontname,i=w("")[0].getContext("2d");i.font=o;var a=i.measureText(e.label).width,u=e.mSize,f=a/n,c=(1-f)*e.mPosX,l=(1-u)*e.mPosY,g=c+f,s=l+u,h=.01;1===e.mode?r.addBlank(0,l-h,n,s+h):r.addBlank(c-h,l-h,g+h,s+h),t.fillStyle=e.fontcolor,t.font=o,t.fillText(e.label,c*n,l*n+.75*e.mSize*n)}function o(r,t,e){var n=e.size,o=e.image.naturalWidth||1,i=e.image.naturalHeight||1,a=e.mSize,u=a*o/i,f=(1-u)*e.mPosX,c=(1-a)*e.mPosY,l=f+u,g=c+a,s=.01;3===e.mode?r.addBlank(0,c-s,n,g+s):r.addBlank(f-s,c-s,l+s,g+s),t.drawImage(e.image,f*n,c*n,u*n,a*n)}function i(r,t,e){w(e.background).is("img")?t.drawImage(e.background,0,0,e.size,e.size):e.background&&(t.fillStyle=e.background,t.fillRect(e.left,e.top,e.size,e.size));var i=e.mode;1===i||2===i?n(r,t,e):(3===i||4===i)&&o(r,t,e)}function a(r,t,e,n,o,i,a,u){r.isDark(a,u)&&t.rect(n,o,i,i)}function u(r,t,e,n,o,i,a,u,f,c){a?r.moveTo(t+i,e):r.moveTo(t,e),u?(r.lineTo(n-i,e),r.arcTo(n,e,n,o,i)):r.lineTo(n,e),f?(r.lineTo(n,o-i),r.arcTo(n,o,t,o,i)):r.lineTo(n,o),c?(r.lineTo(t+i,o),r.arcTo(t,o,t,e,i)):r.lineTo(t,o),a?(r.lineTo(t,e+i),r.arcTo(t,e,n,e,i)):r.lineTo(t,e)}function f(r,t,e,n,o,i,a,u,f,c){a&&(r.moveTo(t+i,e),r.lineTo(t,e),r.lineTo(t,e+i),r.arcTo(t,e,t+i,e,i)),u&&(r.moveTo(n-i,e),r.lineTo(n,e),r.lineTo(n,e+i),r.arcTo(n,e,n-i,e,i)),f&&(r.moveTo(n-i,o),r.lineTo(n,o),r.lineTo(n,o-i),r.arcTo(n,o,n-i,o,i)),c&&(r.moveTo(t+i,o),r.lineTo(t,o),r.lineTo(t,o-i),r.arcTo(t,o,t+i,o,i))}function c(r,t,e,n,o,i,a,c){var l=r.isDark,g=n+i,s=o+i,h=e.radius*i,v=a-1,d=a+1,w=c-1,m=c+1,y=l(a,c),T=l(v,w),p=l(v,c),B=l(v,m),A=l(a,m),E=l(d,m),k=l(d,c),M=l(d,w),C=l(a,w);y?u(t,n,o,g,s,h,!p&&!C,!p&&!A,!k&&!A,!k&&!C):f(t,n,o,g,s,h,p&&C&&T,p&&A&&B,k&&A&&E,k&&C&&M)}function l(r,t,e){var n,o,i=r.moduleCount,u=e.size/i,f=a;for(e.radius>0&&e.radius<=.5&&(f=c),t.beginPath(),n=0;i>n;n+=1)for(o=0;i>o;o+=1){var l=e.left+o*u,g=e.top+n*u,s=u;f(r,t,e,l,g,s,n,o)}if(w(e.fill).is("img")){t.strokeStyle="rgba(0,0,0,0.5)",t.lineWidth=2,t.stroke();var h=t.globalCompositeOperation;t.globalCompositeOperation="destination-out",t.fill(),t.globalCompositeOperation=h,t.clip(),t.drawImage(e.fill,0,0,e.size,e.size),t.restore()}else t.fillStyle=e.fill,t.fill()}function g(r,t){var n=e(t.text,t.ecLevel,t.minVersion,t.maxVersion,t.quiet);if(!n)return null;var o=w(r).data("qrcode",n),a=o[0].getContext("2d");return i(n,a,t),l(n,a,t),o}function s(r){var t=w("").attr("width",r.size).attr("height",r.size);return g(t,r)}function h(r){return w("").attr("src",s(r)[0].toDataURL("image/png"))}function v(r){var t=e(r.text,r.ecLevel,r.minVersion,r.maxVersion,r.quiet);if(!t)return null;var n,o,i=r.size,a=r.background,u=Math.floor,f=t.moduleCount,c=u(i/f),l=u(.5*(i-c*f)),g={position:"relative",left:0,top:0,padding:0,margin:0,width:i,height:i},s={position:"absolute",padding:0,margin:0,width:c,height:c,"background-color":r.fill},h=w("
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e910b46..68f09f0 100644 --- a/src/.eslintrc +++ b/src/.eslintrc @@ -4,7 +4,6 @@ rules: func-names: 0 - func-style: 0 no-var: 0 prefer-arrow-callback: 0 strict: 0 diff --git a/src/demo/dummy.png b/src/demo/dummy.png index db66ab1..192dfd2 100644 Binary files a/src/demo/dummy.png and b/src/demo/dummy.png differ diff --git a/src/demo/scripts.js b/src/demo/scripts.js index fdb1802..1f71fce 100644 --- a/src/demo/scripts.js +++ b/src/demo/scripts.js @@ -1,7 +1,7 @@ (function () { 'use strict'; - var $ = jQuery; // eslint-disable-line no-undef + var jq = window.jQuery; var guiValuePairs = [ ['size', 'px'], ['minversion', ''], @@ -13,41 +13,41 @@ ]; function updateGui() { - $.each(guiValuePairs, function (idx, pair) { - var $label = $('label[for="' + pair[0] + '"]'); - $label.text($label.text().replace(/:.*/, ': ' + $('#' + pair[0]).val() + pair[1])); + jq.each(guiValuePairs, function (idx, pair) { + var $label = jq('label[for="' + pair[0] + '"]'); + $label.text($label.text().replace(/:.*/, ': ' + jq('#' + pair[0]).val() + pair[1])); }); } function updateQrCode() { var options = { - render: $('#render').val(), - ecLevel: $('#eclevel').val(), - minVersion: parseInt($('#minversion').val(), 10), + render: jq('#render').val(), + ecLevel: jq('#eclevel').val(), + minVersion: parseInt(jq('#minversion').val(), 10), - fill: $('#fill').val(), - background: $('#background').val(), - // fill: $('#img-buffer')[0], + fill: jq('#fill').val(), + background: jq('#background').val(), + // fill: jq('#img-buffer')[0], - text: $('#text').val(), - size: parseInt($('#size').val(), 10), - radius: parseInt($('#radius').val(), 10) * 0.01, - quiet: parseInt($('#quiet').val(), 10), + text: jq('#text').val(), + size: parseInt(jq('#size').val(), 10), + radius: parseInt(jq('#radius').val(), 10) * 0.01, + quiet: parseInt(jq('#quiet').val(), 10), - mode: parseInt($('#mode').val(), 10), + mode: parseInt(jq('#mode').val(), 10), - mSize: parseInt($('#msize').val(), 10) * 0.01, - mPosX: parseInt($('#mposx').val(), 10) * 0.01, - mPosY: parseInt($('#mposy').val(), 10) * 0.01, + mSize: parseInt(jq('#msize').val(), 10) * 0.01, + mPosX: parseInt(jq('#mposx').val(), 10) * 0.01, + mPosY: parseInt(jq('#mposy').val(), 10) * 0.01, - label: $('#label').val(), - fontname: $('#font').val(), - fontcolor: $('#fontcolor').val(), + label: jq('#label').val(), + fontname: jq('#font').val(), + fontcolor: jq('#fontcolor').val(), - image: $('#img-buffer')[0] + image: jq('#img-buffer')[0] }; - $('#container').empty().qrcode(options); + jq('#container').empty().qrcode(options); } function update() { @@ -56,12 +56,12 @@ } function onImageInput() { - var input = $('#image')[0]; + var input = jq('#image')[0]; if (input.files && input.files[0]) { var reader = new FileReader(); reader.onload = function (event) { - $('#img-buffer').attr('src', event.target.result); - $('#mode').val('4'); + jq('#img-buffer').attr('src', event.target.result); + jq('#mode').val('4'); setTimeout(update, 250); }; reader.readAsDataURL(input.files[0]); @@ -69,15 +69,16 @@ } function download() { - $('#download').attr('href', $('#container canvas')[0].toDataURL('image/png')); + jq('#download').attr('href', jq('#container canvas')[0].toDataURL('image/png')); } - - $(function () { - $('#download').on('click', download); - $('#image').on('change', onImageInput); - $('input, textarea, select').on('input change', update); - $(window).load(update); + function init() { + jq('#download').on('click', download); + jq('#image').on('change', onImageInput); + jq('input, textarea, select').on('input change', update); + jq(window).load(update); update(); - }); + } + + jq(init); }()); diff --git a/src/jquery-qrcode.js b/src/jquery-qrcode.js index cb7631a..cbbaf9c 100644 --- a/src/jquery-qrcode.js +++ b/src/jquery-qrcode.js @@ -1,18 +1,26 @@ (function (vendor_qrcode) { 'use strict'; - var $ = jQuery; // eslint-disable-line no-undef + var jq = window.jQuery; + + // Check if canvas is available in the browser (as Modernizr does) + var hasCanvas = (function () { + var elem = document.createElement('canvas'); + return !!(elem.getContext && elem.getContext('2d')); + }()); // Wrapper for the original QR code generator. - function QRCode(text, level, version, quiet) { - var qr = vendor_qrcode(version, level); - qr.addData(text); - qr.make(); + function createQRCode(text, level, version, quiet) { + var qr = {}; + + var vqr = vendor_qrcode(version, level); + vqr.addData(text); + vqr.make(); quiet = quiet || 0; - var qrModuleCount = qr.getModuleCount(); - var quietModuleCount = qr.getModuleCount() + 2 * quiet; + var qrModuleCount = vqr.getModuleCount(); + var quietModuleCount = vqr.getModuleCount() + 2 * quiet; function isDark(row, col) { row -= quiet; @@ -21,15 +29,14 @@ if (row < 0 || row >= qrModuleCount || col < 0 || col >= qrModuleCount) { return false; } - - return qr.isDark(row, col); + return vqr.isDark(row, col); } - var addBlank = function (l, t, r, b) { - var prevIsDark = this.isDark; // eslint-disable-line no-invalid-this + function addBlank(l, t, r, b) { + var prevIsDark = qr.isDark; var moduleSize = 1 / quietModuleCount; - this.isDark = function (row, col) { // eslint-disable-line no-invalid-this + qr.isDark = function (row, col) { var ml = col * moduleSize; var mt = row * moduleSize; var mr = ml + moduleSize; @@ -37,39 +44,35 @@ return prevIsDark(row, col) && (l > mr || ml > r || t > mb || mt > b); }; - }; + } - this.text = text; - this.level = level; - this.version = version; - this.moduleCount = quietModuleCount; - this.isDark = isDark; - this.addBlank = addBlank; - } + qr.text = text; + qr.level = level; + qr.version = version; + qr.moduleCount = quietModuleCount; + qr.isDark = isDark; + qr.addBlank = addBlank; - // Check if canvas is available in the browser (as Modernizr does) - var hasCanvas = (function () { - var elem = document.createElement('canvas'); - return Boolean(elem.getContext && elem.getContext('2d')); - }()); + return qr; + } // Returns a minimal QR code for the given text starting with version `minVersion`. // Returns `undefined` if `text` is too long to be encoded in `maxVersion`. - function createQRCode(text, level, minVersion, maxVersion, quiet) { + function createMinQRCode(text, level, minVersion, maxVersion, quiet) { minVersion = Math.max(1, minVersion || 1); maxVersion = Math.min(40, maxVersion || 40); for (var version = minVersion; version <= maxVersion; version += 1) { try { - return new QRCode(text, level, version, quiet); + return createQRCode(text, level, version, quiet); } catch (err) {/* empty */} } - return null; + return undefined; } function drawBackgroundLabel(qr, context, settings) { var size = settings.size; - var font = 'bold ' + (settings.mSize * size) + 'px ' + settings.fontname; - var ctx = $('')[0].getContext('2d'); + var font = 'bold ' + settings.mSize * size + 'px ' + settings.fontname; + var ctx = jq('')[0].getContext('2d'); ctx.font = font; @@ -119,7 +122,7 @@ } function drawBackground(qr, context, settings) { - if ($(settings.background).is('img')) { + if (jq(settings.background).is('img')) { context.drawImage(settings.background, 0, 0, settings.size, settings.size); } else if (settings.background) { context.fillStyle = settings.background; @@ -253,7 +256,7 @@ fn(qr, context, settings, l, t, w, row, col); } } - if ($(settings.fill).is('img')) { + if (jq(settings.fill).is('img')) { context.strokeStyle = 'rgba(0,0,0,0.5)'; context.lineWidth = 2; context.stroke(); @@ -273,12 +276,12 @@ // Draws QR code to the given `canvas` and returns it. function drawOnCanvas(canvas, settings) { - var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); + var qr = createMinQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); if (!qr) { return null; } - var $canvas = $(canvas).data('qrcode', qr); + var $canvas = jq(canvas).data('qrcode', qr); var context = $canvas[0].getContext('2d'); drawBackground(qr, context, settings); @@ -289,18 +292,18 @@ // Returns a `canvas` element representing the QR code for the given settings. function createCanvas(settings) { - var $canvas = $('').attr('width', settings.size).attr('height', settings.size); + var $canvas = jq('').attr('width', settings.size).attr('height', settings.size); return drawOnCanvas($canvas, settings); } // Returns an `image` element representing the QR code for the given settings. function createImage(settings) { - return $('').attr('src', createCanvas(settings)[0].toDataURL('image/png')); + return jq('').attr('src', createCanvas(settings)[0].toDataURL('image/png')); } // Returns a `div` element representing the QR code for the given settings. function createDiv(settings) { - var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); + var qr = createMinQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet); if (!qr) { return null; } @@ -335,7 +338,7 @@ 'background-color': settings.fill }; - var $div = $('
').data('qrcode', qr).css(containerCSS); + var $div = jq('
').data('qrcode', qr).css(containerCSS); if (settings_bgColor) { $div.css('background-color', settings_bgColor); @@ -344,7 +347,7 @@ for (row = 0; row < moduleCount; row += 1) { for (col = 0; col < moduleCount; col += 1) { if (qr.isDark(row, col)) { - $('
') + jq('
') .css(darkCSS) .css({ left: offset + col * moduleSize, @@ -427,14 +430,14 @@ // Register the plugin // ------------------- - $.fn.qrcode = function (options) { - var settings = $.extend({}, defaults, options); + jq.fn.qrcode = function (options) { + var settings = jq.extend({}, defaults, options); - return this.each(function () { - if (this.nodeName.toLowerCase() === 'canvas') { // eslint-disable-line no-invalid-this - drawOnCanvas(this, settings); // eslint-disable-line no-invalid-this + return this.each(function (idx, el) { + if (el.nodeName.toLowerCase() === 'canvas') { + drawOnCanvas(el, settings); } else { - $(this).append(createHTML(settings)); // eslint-disable-line no-invalid-this + jq(el).append(createHTML(settings)); } }); };