{"id":480,"date":"2021-02-09T16:38:42","date_gmt":"2021-02-09T07:38:42","guid":{"rendered":"https:\/\/osora.work\/blog\/?p=480"},"modified":"2021-02-09T16:38:42","modified_gmt":"2021-02-09T07:38:42","slug":"%e3%80%8chtml2canvas%e3%80%8d%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%82%b9%e3%82%af%e3%83%aa%e3%83%bc%e3%83%b3%e3%82%b7%e3%83%a7%e3%83%83%e3%83%88%e3%82%92%e4%bd%9c%e6%88%90%e3%80%81%e3%83%80%e3%82%a6","status":"publish","type":"post","link":"https:\/\/osora.ne0n.xyz\/blog\/480","title":{"rendered":"\u300chtml2canvas\u300d\u3092\u4f7f\u3063\u3066\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u4f5c\u6210\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3010\u4f7f\u3044\u65b9\u3011"},"content":{"rendered":"\n

\u524d\u7f6e\u304d<\/h3>\n\n\n\n

plotter<\/a>\u306b\u4f7f\u7528\u3057\u305f\u300chtml2canvas<\/a>\u300d\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac\u3067\u3059\u3002<\/p>\n\n\n\n

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html2canvas\u306e\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/a><\/p>\n\n\n\n

\u73fe\u5728\u3082GitHub\u3067\u66f4\u65b0\u304c\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u300chtml2canvas\u300d\u3068\u306f\uff1f<\/h3>\n\n\n\n

JavaScriptHTML\u30ec\u30f3\u30c0\u30e9\u30fc
\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u76f4\u63a5\u3001Web\u30da\u30fc\u30b8\u307e\u305f\u306f\u305d\u306e\u4e00\u90e8\u306e\u300c\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u300d\u3092\u64ae\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306fDOM\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u4f5c\u6210\u3057\u306a\u3044\u305f\u3081\u3001\u5b9f\u969b\u306e\u8868\u73fe\u306b\u5bfe\u3057\u3066100\uff05\u6b63\u78ba\u3067\u306f\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30da\u30fc\u30b8\u3067\u5229\u7528\u53ef\u80fd\u306a\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>GitHub\u306eREADME<\/a>\u3088\u308a\u5f15\u7528<\/cite><\/blockquote>\n\n\n\n

\u3069\u3046\u3084\u3089\u5b9f\u969b\u306b\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u64ae\u5f71\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30da\u30fc\u30b8\u306eDOM\u3092canvas\u8981\u7d20\u306bJavaScript\u3067\u66f8\u304d\u8d77\u3053\u3057\u3066\u3044\u308b\u3089\u3057\u3044\u3002
\u3064\u307e\u308a\u3001css\u306b\u3088\u308b\u88c5\u98fe\u3092\u4e00\u3064\u4e00\u3064JavaScript\u3067\u89e3\u91c8\u3057\u3001canvas\u306b\u63cf\u3044\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n

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<\/p>\n\n\n\n

\u300chtml2canvas\u300d\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h3>\n\n\n\n

\u307e\u305a\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080<\/h4>\n\n\n\n
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NPM\u3084Yarn\u3067\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3082\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u304c\u81ea\u5206\u306f\u521d\u5fc3\u8005\u3067\u3055\u3063\u3071\u308a\u30d4\u30fc\u30de\u30f3\u306a\u306e\u3067\u3001\u53f3\u4e0b\u306e\u300chtml2canvas.min.js\u300d\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

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html2canvas\u306e\u4e2d\u8eab\u3092\u89b3\u5bdf\u3057\u305f\u3044\u65b9\u306f\u5de6\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u307b\u3046\u304c\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

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<script src="html2canvas.min.js"><\/script><\/code><\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
\u305d\u306e\u4ed6\u306e\u8a2d\u5b9a<\/h4>\n\n\n\n
HTML\u30d5\u30a1\u30a4\u30eb\u306b\u3001\u300c\u753b\u50cf\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u8868\u793a\u3059\u308bimg\u30bf\u30b0<\/strong>\u300d\u3068\u3001\u300c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af\u3092\u8a2d\u5b9a\u3059\u308ba\u30bf\u30b0<\/strong>\u300d\u3092\u633f\u5165\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
<img src="" id="result" alt="" \/>\n<!--\u753b\u50cf\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u8868\u793a\u3059\u308bimg-->\n\n<a href="" id="plotter-img" download="html2canvas.png">\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\n<!--\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af\u3092\u8a2d\u5b9a\u3059\u308ba\u30bf\u30b0-->\n<!--download\u5c5e\u6027\u306e\u5024\u306f \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3068\u304d\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u306a\u308a\u307e\u3059--><\/code><\/pre><\/div>\n\n\n\n
\u2193\u3053\u3063\u3061\u306f.js\u30d5\u30a1\u30a4\u30eb\u306e\u8a18\u8ff0\u3002<\/p>\n\n\n\n
\/\/\u753b\u50cf\u66f8\u304d\u51fa\u3057\u306e\u5b9f\u88c5\n\n\/\/\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u8aad\u307f\u8fbc\u3080\u30dc\u30bf\u30f3\nconst save = document.getElementById('btn-save');\n\nsave.addEventListener('click', function () {\n    html2canvas(document.getElementById("contentsArea")).then(canvas => {\n        var imageData = canvas.toDataURL();\n        document.getElementById('result').setAttribute("src", canvas.toDataURL());\n        document.getElementById("plotter-img").href = imageData;\n    });\n});<\/code><\/pre><\/div>\n\n\n\n
plotter\u5185\u306e\u8a18\u8ff0\u3092\u4e00\u90e8\u3076\u3063\u3053\u629c\u3044\u3066\u304d\u307e\u3057\u305f\u3002
\u305f\u3063\u305f\u3053\u308c\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n
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html2canvas(\u3053\u3053\u306b\u66f8\u304d\u51fa\u3057\u305f\u3044\u8981\u7d20\u3092\u6307\u5b9a\u3059\u308b).then(canvas => {\n \u3000\u3000\/\/\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8a18\u8ff0\n\u3000\u3000 var imageData = canvas.toDataURL();\n     \/\/\u2191canvas\u306eURL\u3092\u751f\u6210\u3057\u3066imageData\u306b\u4ee3\u5165\u3002\n     document.getElementById('result').setAttribute("src", canvas.toDataURL());\n      \/\/\u2191img\u30bf\u30b0\u306esrc\u5c5e\u6027\u3092canvas\u306eURL\u306b\u3057\u3066\u3001\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u8868\u793a\n     document.getElementById("plotter-img").href = imageData;\n\u3000\u3000\u3000\/\/\u2191a\u30bf\u30b0\u306e\u30ea\u30f3\u30af\u5148\u306bcanvas\u306eURL\u3092\u4ee3\u5165\u3057\u3066\u753b\u50cf\u306eDL\u3092\u53ef\u80fd\u306b\u3059\u308b\n});<\/code><\/pre><\/div>\n\n\n\n
\u4ee5\u4e0a\u3067\u300chtml2canvas\u300d\u3092\u4f7f\u3063\u3066\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u4f5c\u6210\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u305f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u898b\u308b\u3068\u3082\u3063\u3068\u8272\u3005\u306a\u8a2d\u5b9a\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u601d\u3063\u305f\u3088\u3046\u306b\u3044\u304b\u306a\u304b\u3063\u305f\u3089\u78ba\u8a8d\u3057\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u53c2\u8003\u306b\u3057\u305f\u30b5\u30a4\u30c8<\/h3>\n\n\n\n
\u30102019\u5e74\u5ea6\u7248\u3011JavaScript\u3067html\u3092\u753b\u50cf\u5316\u3059\u308b\u65b9\u6cd5(html2canvas\u306e\u4f7f\u3044\u65b9) | \u30ab\u30cb\u30c1\u30eb<\/a>
\u307b\u307c\u540c\u3058\u5185\u5bb9\u304c\u3053\u306e\u8a18\u4e8b\u306b\u3082\u3042\u308a\u307e\u3059\u3002\u81ea\u5206\u306e\u3067\u30c0\u30e1\u3060\u3063\u305f\u3089\u3053\u3061\u3089\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n
\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u753b\u50cf\u5316\u3067\u304d\u308bJS\u30e9\u30a4\u30d6\u30e9\u30ea “html2canvas” \u3092\u4f7f\u304a\u3046 – KAYAC engineers’ blog<\/a>
html2canvas\u306e\u3088\u308a\u8a73\u3057\u3044\u89e3\u8aac\u304c\u8f09\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u305f\u3063\u305f\uff18\u884c\uff01\u30ad\u30e3\u30f3\u30d0\u30b9\u3092\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u4fdd\u5b58\u3055\u305b\u308bJavaScript\u30b3\u30fc\u30c9\uff08IE\u3082\u5927\u4e08\u592b\uff09 \u2013 console dot log<\/a>
\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u6b8b\u3063\u3066\u3044\u305f\u306e\u3067\u4e00\u5fdc\u7d39\u4ecb\u3057\u3066\u304a\u304d\u307e\u3059\u3002IE\u306b\u5bfe\u5fdc\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u8aad\u3093\u3067\u307f\u3066\u4e0b\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u7f6e\u304d plotter\u306b\u4f7f\u7528\u3057\u305f\u300chtml2canvas\u300d\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac\u3067\u3059\u3002 \u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306b\u306f\u6e96\u62e0\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u9593\u9055\u3063\u3066\u3044\u305f\u3089\u7533\u3057\u8a33\u306a\u3044\u3067\u3059\u3001\u305d\u3093\u306a\u3068\u304d\u306f\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u898b\u3066\u4e0b\u3055\u3044\u3002 html2canva … <\/p>\n","protected":false},"author":1,"featured_media":528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,10],"tags":[],"_links":{"self":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts\/480"}],"collection":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/comments?post=480"}],"version-history":[{"count":3,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts\/480\/revisions"}],"predecessor-version":[{"id":527,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts\/480\/revisions\/527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/media\/528"}],"wp:attachment":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/media?parent=480"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/categories?post=480"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/tags?post=480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}