{"author_name":"shiba-yan","provider_name":"Hatena Blog","blog_url":"https://blog.shibayan.jp/","categories":["HTML5"],"type":"rich","height":"190","description":"\u3060\u308b\u3084\u306a\u304e\u30e1\u30fc\u30ab\u30fc - \u3042\u306a\u305f\u3060\u3051\u306e\u3001\u3060\u308b\u3084\u306a\u304e\u3092\u7c21\u5358\u306b\u6b63\u6708\u304b\u3089\u3053\u3093\u306a\u7121\u99c4\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u4eca\u5e74\u4e00\u5e74\u3092\u7121\u99c4\u306b\u3057\u305d\u3046\u306a\u52e2\u3044\u3067\u3059\u306d\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u7121\u99c4\u30a2\u30d7\u30ea\u306f\u7121\u99c4\u306b HTML5 \u306e Canvas, Web Workers, Blob \u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002\u3042\u307e\u308a\u306b\u3082\u6280\u8853\u306e\u7121\u99c4\u4f7f\u3044\u3067\u3059\u306d\u3002Web Workers \u3067\u30e1\u30a4\u30f3\u306e\u51e6\u7406\u3068\u306a\u308b\u8272\u5909\u63db\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u3068\u308a\u3042\u3048\u305a\u30ce\u30a6\u30cf\u30a6\u306f\u7121\u99c4\u306b\u306a\u3089\u306a\u3044\u306e\u3067\u30e1\u30e2\u3057\u3066\u304a\u304d\u307e\u3059\u3002 Canvas \u3067\u30d4\u30af\u30bb\u30eb\u3092\u5f04\u308b // \u6307\u5b9a\u3057\u305f\u9818\u57df\u306e\u30d4\u30af\u30bb\u30eb\u30c7\u30fc\u30bf\u3092\u53d6\u5f97 var imageData = canvas.getImageData(0, 0, width, height)\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.shibayan.jp%2Fentry%2F20130102%2F1357134497\" title=\"\u3060\u308b\u3084\u306a\u304e\u30e1\u30fc\u30ab\u30fc\u306e\u4f5c\u308a\u65b9 - \u3057\u3070\u3084\u3093\u96d1\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","author_url":"https://blog.hatena.ne.jp/shiba-yan/","title":"\u3060\u308b\u3084\u306a\u304e\u30e1\u30fc\u30ab\u30fc\u306e\u4f5c\u308a\u65b9","blog_title":"\u3057\u3070\u3084\u3093\u96d1\u8a18","url":"https://blog.shibayan.jp/entry/20130102/1357134497","provider_url":"https://hatena.blog","width":"100%","image_url":null,"published":"2013-01-02 22:48:17"}