{"version":"1.0","categories":["JavaScript","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"provider_name":"Hatena Blog","image_url":null,"published":"2016-07-16 04:29:08","provider_url":"https://hatena.blog","height":"190","url":"https://susisu.hatenablog.com/entry/2016/07/16/042908","title":"HTML canvas \u306e\u30d3\u30c3\u30c8\u30de\u30c3\u30d7\u64cd\u4f5c\u306e\u30e1\u30e2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsusisu.hatenablog.com%2Fentry%2F2016%2F07%2F16%2F042908\" title=\"HTML canvas \u306e\u30d3\u30c3\u30c8\u30de\u30c3\u30d7\u64cd\u4f5c\u306e\u30e1\u30e2 - Object.create(null)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"susisu","author_url":"https://blog.hatena.ne.jp/susisu/","type":"rich","blog_title":"Object.create(null)","description":"\u672a\u3060\u306b Flash \u8133\u306e\u79c1\u306f canvas \u306e\u64cd\u4f5c\u3092\u3059\u308b\u6642\u306b\u300cBitmapData \u306e\u3042\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u3058\u3053\u3068\u3092\u3057\u305f\u3044\u300d\u3068\u8003\u3048\u308b\u306e\u3067\u3059\u304c, canvas \u306e API \u306f\u30d1\u30c3\u3068\u898b\u3067\u306f\u5fc5\u8981\u6700\u4f4e\u9650\u4ee5\u4e0b\u306a\u3093\u3058\u3083\u306a\u3044\u304b\u3068\u3044\u3046\u304f\u3089\u3044\u306e\u6a5f\u80fd\u3057\u304b\u63d0\u4f9b\u3057\u3066\u3044\u306a\u3044\u306e\u3067, \u3069\u3046\u3057\u305f\u3089\u5b9f\u73fe\u3067\u304d\u308b\u306e\u304b\u3059\u3050\u306b\u306f\u308f\u304b\u3089\u306a\u3044\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059. \u3068\u3044\u3046\u308f\u3051\u3067, \u3068\u308a\u3042\u3048\u305a\u79c1\u304c\u5fc5\u8981\u3068\u3057\u3066\u3044\u305f, .getPixel32() .setPixel32() .copyPixels() \u306e 3 \u3064\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u30e1\u30e2\u3057\u3066\u304a\u304d\u307e\u3059. \u5b9f\u88c5 \u2192 https://github.com/susisu/dotris-canvas/blob/master/\u2026","width":"100%","blog_url":"https://susisu.hatenablog.com/"}