{"id":1266,"date":"2019-03-31T23:50:06","date_gmt":"2019-03-31T14:50:06","guid":{"rendered":"https:\/\/hi3103.net\/notes\/?p=1266"},"modified":"2022-07-09T23:34:08","modified_gmt":"2022-07-09T14:34:08","slug":"jquery-qrcode-js-%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e7%94%9f%e6%88%90%e3%81%97%e3%81%9fqr%e3%82%b3%e3%83%bc%e3%83%89%e3%82%92png%e7%94%bb%e5%83%8f%e3%81%a8%e3%81%97%e3%81%a6%e4%bf%9d","status":"publish","type":"post","link":"https:\/\/hi3103.net\/notes\/web\/1266","title":{"rendered":"jquery.qrcode.js \u3092\u4f7f\u7528\u3057\u3066\u751f\u6210\u3057\u305fQR\u30b3\u30fc\u30c9\u3092PNG\u753b\u50cf\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b"},"content":{"rendered":"<h3>jquery.qrcode.js\u3068\u306f<\/h3>\n<blockquote>\n<p>jquery.qrcode.js<br \/>\nhttp:\/\/jeromeetienne.github.io\/jquery-qrcode\/<\/p>\n<\/blockquote>\n<ul>\n<li>QR\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308bjQuery\u30d7\u30e9\u30b0\u30a4\u30f3<\/li>\n<li>\u753b\u50cf\u306f\u751f\u6210\u3055\u308c\u305a\u3001table\u30bf\u30b0\u307e\u305f\u306fcanvas\u30bf\u30b0\u3067\u63cf\u753b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li>\u30bd\u30fc\u30b9\u306fGitHub\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3002\n<ul>\n<li><a href=\"https:\/\/github.com\/jeromeetienne\/jquery-qrcode\">GitHub &#8211; jeromeetienne\/jquery-qrcode<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u4f7f\u7528\u624b\u9806<\/h4>\n<ol>\n<li>GitHub\u304b\u3089 jquery.qrcode.min.js \u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001jQuery\u672c\u4f53\u3088\u308a\u3042\u3068\u3067\u8aad\u307f\u8fbc\u3080<\/li>\n<li>HTML\u5074\u306b\u63cf\u753b\u30b9\u30da\u30fc\u30b9\u3092\u7528\u610f<\/li>\n<li>\u7528\u610f\u3057\u305f\u8981\u7d20\u306b\u5bfe\u3057\u3066jQuery\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8a18\u8ff0<\/li>\n<\/ol>\n<p><!--more--><\/p>\n<h4>\u4f7f\u7528\u4f8b<\/h4>\n<pre><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"ja\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;title&gt;1903-qrcode&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;!-- \u63cf\u753b\u30b9\u30da\u30fc\u30b9\u306e\u7528\u610f --&gt;\n    &lt;div id=\"hoge\"&gt;&lt;\/div&gt;\n\n    &lt;!-- js\u8aad\u307f\u8fbc\u307f --&gt;\n    &lt;script src=\"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/3.3.1\/jquery.min.js\"&gt;&lt;\/script&gt; \n    &lt;script type=\"text\/javascript\" src=\"jquery.qrcode.min.js\"&gt;&lt;\/script&gt;\n\n    &lt;!-- \u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8a18\u8ff0 --&gt;\n    &lt;script&gt;\n        $(function(){\n            $('#hoge').qrcode('\u3053\u3053\u306bQR\u30b3\u30fc\u30c9\u5316\u3057\u305f\u3044\u6587\u5b57\u5217\u3092\u3044\u308c\u308b');\n        });\n    &lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<ul>\n<li>\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u3092\u53d6\u5f97\u3057\u3066QR\u30b3\u30fc\u30c9\u5316\u3059\u308b\u5834\u5408\u306f\u3001\u5f15\u6570\u306b location.href \u3092\u6307\u5b9a\u3059\u308b\u3002<\/li>\n<\/ul>\n<pre><code>$(function(){\n    \/\/\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u3092QR\u30b3\u30fc\u30c9\u5316\u3059\u308b\n    $('#hoge').qrcode(location.href);\n});<\/code><\/pre>\n<ul>\n<li>\u30aa\u30d7\u30b7\u30e7\u30f3\u3067QR\u30b3\u30fc\u30c9\u306e\u6a2a\u5e45\u3001\u7e26\u5e45\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u65b9\u6cd5\uff08table\u307e\u305f\u306fcanvas\uff09\u3092\u6307\u5b9a\u3067\u304d\u308b\u3002\n<ul>\n<li>\u30b5\u30f3\u30d7\u30eb\uff1a<a href=\"https:\/\/hi3103.net\/study\/1903-qrcode\/sample-1.html\">https:\/\/hi3103.net\/study\/1903-qrcode\/sample-1.html<\/a><\/li>\n<li>\u4f55\u3082\u6307\u5b9a\u3057\u306a\u3044\u3068 256*256 \u306e canvas \u3067\u51fa\u529b\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre><code>$(function(){\n    \/\/\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u3092QR\u30b3\u30fc\u30c9\u5316\u3059\u308b\n    $('#hoge').qrcode({\n        text: location.href,\n        width: 600, \/\/\u6a2a\u5e45\n        height: 600, \/\/\u7e26\u5e45\n        render: 'canvas', \/\/table\u307e\u305f\u306fcanvas\n    });\n});<\/code><\/pre>\n<h4>\u53c2\u8003URL<\/h4>\n<ul>\n<li><a href=\"https:\/\/on-ze.com\/archives\/6022\">\u3010jQuery\u3011\u81ea\u52d5\u3067QR\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308b\uff3bjquery.qrcode.js\uff3d\u304c\u4fbf\u5229\u3060\u3063\u305f\uff01 &#8211; ONZE<\/a><\/li>\n<\/ul>\n<h3>\u30d6\u30e9\u30a6\u30b6\u306e\u6a5f\u80fd\u3067PNG\u753b\u50cf\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b<\/h3>\n<p>Firefox\u304a\u3088\u3073Chrome\u3067\u306f\u5358\u7d14\u306b\u300c\u53f3\u30af\u30ea\u30c3\u30af\u3067\u4fdd\u5b58\u300d\u3059\u308b\u3068\u3001PNG\u753b\u50cf\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u3002<\/p>\n<ul>\n<li>\u52d5\u4f5c\u74b0\u5883\n<ul>\n<li>Mac OS Mojave 10.14.4<\/li>\n<\/ul>\n<\/li>\n<li>\u30d6\u30e9\u30a6\u30b6\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\n<ul>\n<li>Mozilla Firefox 66.0.2<\/li>\n<li>Google Chrome 73.0.3683.86<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u306a\u304a\u3001Safari 12.1 \u3067\u3082\u8a66\u3057\u305f\u304c\u3053\u3061\u3089\u306f\u52d5\u4f5c\u305b\u305a\u3002<br \/>\n\u307e\u305f\u3001iOS\u3067\u306f\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u753b\u50cf\u3068\u3057\u3066\u306e\u4fdd\u5b58\u306f\u3067\u304d\u306a\u304b\u3063\u305f\uff08iOS 12.1.4 \u306eSafari\u3001Chrome 73.0.3683.68\u3001Firefox 15.1\u3067\u78ba\u8a8d\uff09\u3002<\/p>\n<h3>canvas \u306e toDataURL()\u30e1\u30bd\u30c3\u30c9\u3067PNG\u753b\u50cf\u3092\u51fa\u529b\u3059\u308b<\/h3>\n<h4>\u3010\u5931\u6557\u4f8b\u3011QR\u30b3\u30fc\u30c9\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068PNG\u753b\u50cf\u304c\u5225\u7a93\u3067\u958b\u304f\u3088\u3046\u306b\u3059\u308b<\/h4>\n<p><strong style=\"color:red\">\u30102019-04-15\u8ffd\u8a18\u3011\u3053\u306e\u30bd\u30fc\u30b9\u3001Firefox\u3067\u306f\u52d5\u304f\u3051\u3069\u3001Chrome\u3060\u3068\u52d5\u304b\u306a\u3044\u3053\u3068\u306b\u6c17\u3065\u304d\u307e\u3057\u305f\u3002**<\/p>\n<ul>\n<li>\u30b5\u30f3\u30d7\u30eb\uff1a<a href=\"https:\/\/hi3103.net\/study\/1903-qrcode\/sample-2.html\">https:\/\/hi3103.net\/study\/1903-qrcode\/sample-2.html<\/a><\/li>\n<\/ul>\n<pre><code>$(function(){\n    \/\/\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u3092QR\u30b3\u30fc\u30c9\u5316\u3059\u308b\n    $('#hoge').qrcode(location.href);\n\n    \/\/\u751f\u6210\u3055\u308c\u305fQR\u30b3\u30fc\u30c9(=canvas\u8981\u7d20)\u3092\u5909\u6570\u306b\u30bb\u30c3\u30c8\n    var canvas = $('#hoge canvas');\n\n    \/\/\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u3053\u3068\u3092\u660e\u793a\u3059\u308b\u305f\u3081css\u3067\u30ab\u30fc\u30bd\u30eb\u7a2e\u985e\u3092\u6307\u5b9a\n    canvas.css('cursor','pointer');\n\n    \/\/QR\u30b3\u30fc\u30c9\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089PNG\u753b\u50cf\u304c\u65b0\u3057\u3044\u7a93\u3067\u958b\u304f\n    canvas.click(function() {\n        var data = canvas[0].toDataURL('image\/png');\n        window.open(data);\n    });\n});<\/code><\/pre>\n<p>\u3082\u3057\u3082JPEG\u753b\u50cf\u3068\u3057\u3066\u51fa\u529b\u3057\u305f\u3044\u5834\u5408\u306f toDataURL \u306e\u5f15\u6570\u3092 image\/jpeg \u306b\u5909\u66f4\u3059\u308b\u3002<\/p>\n<pre><code>var data = canvas[0].toDataURL('image\/jpeg');<\/code><\/pre>\n<h5>\u53c2\u8003URL<\/h5>\n<ul>\n<li><a href=\"https:\/\/qiita.com\/clockmaker\/items\/924b5b4228484e7a09f0\">HTML5 \u306e canvas \u8981\u7d20\u3092 base64 \u6587\u5b57\u5217\u5316\u3057\u753b\u50cf\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5\u307e\u3068\u3081 &#8211; Qiita<\/a><\/li>\n<li><a href=\"https:\/\/stackoverflow.com\/questions\/8667458\/todataurl-not-a-function\">javascript &#8211; toDataURL not a function &#8211; Stack Overflow<\/a><\/li>\n<\/ul>\n<h4>\u3010\u6210\u529f\u4f8b\u3011\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u3067PNG\u753b\u50cf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\uff082019-04-15\u8ffd\u8a18\uff09<\/h4>\n<ul>\n<li>Chrome\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u4ed5\u69d8\u3067 data:image\/png;base64, \u2026\u3092\u305d\u306e\u307e\u307e\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3002\n<ul>\n<li>\u4e0a\u8ff0\u306e window.open() \u306e\u307b\u304b\u3001location.href \u3067\u76f4\u63a5\u6307\u5b9a\u3057\u3066\u3082\u30c0\u30e1\u3060\u3063\u305f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4ee5\u4e0b\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u306e\u30bd\u30fc\u30b9\u3092\u9802\u6234\u3057\u3066\u300c\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u3067PNG\u753b\u50cf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u300d\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u3002\n<ul>\n<li><a href=\"https:\/\/oar.st40.xyz\/article\/133\">Canvas\u4e0a\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5 &#8211; JavaScript\uff5cST40PG<\/a><\/li>\n<\/ul>\n<\/li>\n<li>\u30b5\u30f3\u30d7\u30eb\uff1a<a href=\"https:\/\/hi3103.net\/study\/1903-qrcode\/sample-3.html\">https:\/\/hi3103.net\/study\/1903-qrcode\/sample-3.html<\/a><\/li>\n<\/ul>\n<pre><code>$(function(){\n    \/\/\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u3092\u53d6\u5f97\u3057\u3001QR\u30b3\u30fc\u30c9\u3092\u751f\u6210\n    $('#hoge').qrcode(location.href);\n\n    \/\/\u751f\u6210\u3055\u308c\u305fQR\u30b3\u30fc\u30c9(=canvas\u8981\u7d20)\u306bID\u3092\u4ed8\u4e0e\u3057\u3001\u975e\u8868\u793a\u306b\u3059\u308b\n    $('#hoge canvas').attr('id','piyo').css('display','none');\n\n    \/\/\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30dc\u30bf\u30f3\u3092\u751f\u6210\n    $('#hoge').append('&lt;button onclick=\"saveCanvas();\"&gt;QR\u30b3\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b&lt;\/button&gt;');\n});\n\n\/\/--- \u3053\u3053\u304b\u3089\u4e0b\u306f https:\/\/oar.st40.xyz\/article\/133 \u306e\u5185\u5bb9\u3092\u9802\u6234\u3057\u307e\u3057\u305f ----\/\/\n\n\/\/ canvas\u4e0a\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u4fdd\u5b58\nfunction saveCanvas(){\n    \/\/\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\n    var imageType = 'image\/png';\n    var fileName = 'qrcode.png';\n\n    \/\/\u7279\u5b9a\u306eID\u304c\u4ed8\u4e0e\u3055\u308c\u305f\u8981\u7d20\u3092\u5909\u6570\u306b\u30bb\u30c3\u30c8\n    var canvas = document.getElementById('piyo');\n\n    \/\/ base64\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97 \u300cdata:image\/png;base64,iVBORw0k\uff5e\u300d\n    var base64 = canvas.toDataURL(imageType);\n\n    \/\/ base64\u30c7\u30fc\u30bf\u3092blob\u306b\u5909\u63db\n    var blob = Base64toBlob(base64);\n\n    \/\/ blob\u30c7\u30fc\u30bf\u3092a\u8981\u7d20\u3092\u4f7f\u3063\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\n    saveBlob(blob, fileName);\n}\n\n\/\/ Base64\u30c7\u30fc\u30bf\u3092Blob\u30c7\u30fc\u30bf\u306b\u5909\u63db\nfunction Base64toBlob(base64){\n    \/\/ \u30ab\u30f3\u30de\u3067\u5206\u5272\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u3092\u5206\u3051\u308b\n    \/\/ tmp[0] : \u30c7\u30fc\u30bf\u5f62\u5f0f\uff08data:image\/png;base64\uff09\n    \/\/ tmp[1] : base64\u30c7\u30fc\u30bf\uff08iVBORw0k\uff5e\uff09\n    var tmp = base64.split(',');\n    \/\/ base64\u30c7\u30fc\u30bf\u306e\u6587\u5b57\u5217\u3092\u30c7\u30b3\u30fc\u30c9\n    var data = atob(tmp[1]);\n    \/\/ tmp[0]\u306e\u6587\u5b57\u5217\uff08data:image\/png;base64\uff09\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u30bf\u30a4\u30d7\uff08image\/png\uff09\u90e8\u5206\u3092\u53d6\u5f97\n    var mime = tmp[0].split(':')[1].split(';')[0];\n    \/\/  1\u6587\u5b57\u3054\u3068\u306bUTF-16\u30b3\u30fc\u30c9\u3092\u8868\u3059 0\u304b\u308965535 \u306e\u6574\u6570\u3092\u53d6\u5f97\n    var buf = new Uint8Array(data.length);\n    for (var i = 0; i &lt; data.length; i++) {\n        buf[i] = data.charCodeAt(i);\n    }\n    \/\/ blob\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\n    var blob = new Blob([buf], { type: mime });\n    return blob;\n}\n\n\/\/ \u753b\u50cf\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\nfunction saveBlob(blob, fileName){\n    var url = (window.URL || window.webkitURL);\n    \/\/ \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u7528\u306eURL\u4f5c\u6210\n    var dataUrl = url.createObjectURL(blob);\n    \/\/ \u30a4\u30d9\u30f3\u30c8\u4f5c\u6210\n    var event = document.createEvent(\"MouseEvents\");\n    event.initMouseEvent(\"click\", true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);\n    \/\/ a\u8981\u7d20\u3092\u4f5c\u6210\n    var a = document.createElementNS(\"http:\/\/www.w3.org\/1999\/xhtml\", \"a\");\n    \/\/ \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u7528\u306eURL\u30bb\u30c3\u30c8\n    a.href = dataUrl;\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u540d\u30bb\u30c3\u30c8\n    a.download = fileName;\n    \/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u767a\u706b\n    a.dispatchEvent(event);\n}<\/code><\/pre>\n<h5>\u3010\u5099\u80031\u3011URL\u306e\u4f59\u8a08\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u9664\u53bb\u3059\u308b<\/h5>\n<ul>\n<li>\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306b\u4f59\u8a08\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u3064\u3044\u3066\u3044\u3066\u3001\u305d\u308c\u3092\u9664\u53bb\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u5192\u982d\u90e8\u5206\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u308c\u3070OK\u3002<\/li>\n<\/ul>\n<pre><code>\/\/\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u3092\u53d6\u5f97\u3057\u3001\u4f59\u8a08\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d6\u308b\nvar url = location.href;\nurl = url.replace(\/\\?.+$\/,'');\n\n\/\/QR\u30b3\u30fc\u30c9\u3092\u751f\u6210\n$('#hoge').qrcode(url);<\/code><\/pre>\n<h5>\u3010\u5099\u80032\u3011\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30dc\u30bf\u30f3\u3060\u3051\u3092\u8868\u793a\u3059\u308b<\/h5>\n<ul>\n<li>\u5927\u304d\u3081\u306eQR\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u305f\u3044\u304c\u3001\u30c7\u30ab\u30a4\u3068\u90aa\u9b54\u306a\u306e\u3067QR\u30b3\u30fc\u30c9\u306f\u975e\u8868\u793a\u306b\u3057\u3066\u304a\u304d\u305f\u3044\u3068\u3044\u3046\u5834\u5408\u306f\u3001canvas\u5c5e\u6027\u306bID\u4ed8\u4e0e\u3059\u308b\u969b\u306bCSS\u3067 display:none \u3092\u8a2d\u5b9a\u3059\u308c\u3070OK\u3002<\/li>\n<\/ul>\n<pre><code>\/\/\u751f\u6210\u3055\u308c\u305fQR\u30b3\u30fc\u30c9(=canvas\u8981\u7d20)\u306bID\u3092\u4ed8\u4e0e\u3057\u3001\u975e\u8868\u793a\u306b\u3059\u308b\n$('#hoge canvas').attr('id','piyo').css('display','none');<\/code><\/pre>\n<h3>\u751f\u6210\u3057\u305fQR\u30b3\u30fc\u30c9\u3092SVG\u753b\u50cf\u3068\u3057\u3066\u4fdd\u5b58\u3067\u304d\u306a\u3044\u304b\uff1f<\/h3>\n<p>\u7d50\u8ad6\uff1a\u3067\u304d\u306a\u304b\u3063\u305f\u3002<br \/>\n\u8a66\u3057\u305f\u3082\u306e\u306f\u4ee5\u4e0b\u3002<\/p>\n<ul>\n<li><a href=\"http:\/\/fabricjs.com\/\">fabric.js<\/a>\u306e toSVG()\u30e1\u30bd\u30c3\u30c9<\/li>\n<li><a href=\"https:\/\/createjs.com\/\">CreateJS<\/a>\u306e<a href=\"https:\/\/createjs.com\/easeljs\">EaselJS<\/a>\u306b\u540c\u68b1\u3055\u308c\u3066\u3044\u308b\u8a66\u9a13\u7684\u306a\u6a5f\u80fd\uff1a<a href=\"https:\/\/github.com\/CreateJS\/EaselJS\/tree\/master\/extras\/SVGExporter\">SVGExporter<\/a><\/li>\n<\/ul>\n<p>\u3044\u305a\u308c\u3082canvas\u306e\u6a5f\u80fd\u62e1\u5f35\u7684\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001canvas\u3092SVG\u306b\u5909\u63db\u30fb\u66f8\u304d\u51fa\u3057\u3059\u308b\u6a5f\u80fd\u306f\u5099\u308f\u3063\u3066\u3044\u308b\u304c\u3001<\/p>\n<ol>\n<li>\u63cf\u753b\u9818\u57df\u3092\u30bb\u30c3\u30c8<\/li>\n<li>\u63cf\u753b\u3059\u308b<\/li>\n<li>\u63cf\u753b\u3057\u305f\u3082\u306e\u3092\u66f8\u304d\u51fa\u3059<\/li>\n<\/ol>\n<p>\u3068\u3044\u3046\u5de5\u7a0b\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u300c\u3059\u3067\u306bjquery.qrcode.js\u306b\u3088\u3063\u3066\u63cf\u5199\u3055\u308c\u305fcanvas\u3092SVG\u306b\u66f8\u304d\u51fa\u3059\u300d\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u3002<br \/>\n\u4ee5\u4e0b\u3001\u52d5\u304b\u306a\u304b\u3063\u305f\u30bd\u30fc\u30b9\u306e\u30e1\u30e2\u3002<\/p>\n<pre><code>\/\/ \u203b\u5931\u6557\u4f5c\u203b canvas\u306e\u30ac\u30ef\u3060\u3051\u306e\u72b6\u614b (canvas\u306ewidth\u30fbheight\u306e\u60c5\u5831\u3060\u3051\u306f\u6301\u3063\u3066\u3044\u308b\u767d\u7d19\u306eSVG) \u304c\u51fa\u529b\u3055\u308c\u308b\n$(function(){\n    \/\/\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u3092QR\u30b3\u30fc\u30c9\u5316\u3059\u308b\n    $('#hoge').qrcode(location.href);\n\n    \/\/\u751f\u6210\u3055\u308c\u305fQR\u30b3\u30fc\u30c9(=canvas\u8981\u7d20)\u3092id\u3092\u4ed8\u4e0e\n    $('#hoge canvas').attr('id','piyo');\n\n    \/\/\u63cf\u753b\u9818\u57df\u3092\u30bb\u30c3\u30c8\n    var stage = new createjs.Stage('piyo');\n\n    \/\/QR\u30b3\u30fc\u30c9\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089svg\u30c7\u30fc\u30bf\u304c\u51fa\u529b\u3055\u308c\u308b\n    $('#hoge').click(function() {\n        exporter = new SVGExporter(stage, false, false, false);\n        exporter.run();\n        document.body.appendChild(exporter.svg);\n    });\n});<\/code><\/pre>\n<h4>\u53c2\u8003URL<\/h4>\n<ul>\n<li>fabric.js\n<ul>\n<li><a href=\"https:\/\/sndbox.jp\/websystem-develop\/canvas_to_svg_to_eps\">canvas\u3092SVG\u3001EPS\u3078\u30d9\u30af\u30c8\u30eb\u60c5\u5831\u3092\u4fdd\u6301\u3057\u305f\u307e\u307e\u5909\u63db\u3059\u308b\u30b7\u30b9\u30c6\u30e0 | \u5408\u540c\u4f1a\u793e\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9<\/a><\/li>\n<li><a href=\"http:\/\/jsfiddle.net\/asturur\/RZcY7\/9\/\">http:\/\/jsfiddle.net\/asturur\/RZcY7\/9\/<\/a><\/li>\n<\/ul>\n<\/li>\n<li>CreateJS\n<ul>\n<li><a href=\"https:\/\/ics.media\/tutorial-createjs\/\">CreateJS\u5165\u9580\u30b5\u30a4\u30c8 &#8211; ICS MEDIA<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>jquery.qrcode.js\u3068\u306f jquery.qrcode.js http:\/\/jeromeetienne.github.io\/jquery-qrcode\/ QR\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308bjQuery\u30d7\u30e9\u30b0\u30a4\u30f3 \u753b\u50cf\u306f\u751f\u6210\u3055 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[85,45,44],"class_list":["post-1266","post","type-post","status-publish","format-standard","hentry","category-web","tag-canvas","tag-javascript","tag-jquery"],"_links":{"self":[{"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/posts\/1266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/comments?post=1266"}],"version-history":[{"count":0,"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/posts\/1266\/revisions"}],"wp:attachment":[{"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/media?parent=1266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/categories?post=1266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hi3103.net\/notes\/wp-json\/wp\/v2\/tags?post=1266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}