{"blog_title":"\u30b2\u30fc\u30e0\u4f5c\u308a\u306f\u697d\u3057\u3044","provider_name":"Hatena Blog","height":"190","width":"100%","title":"\u3010\u5099\u5fd8\u9332\u3011\u30da\u30a4\u30f3\u30c8\u30bd\u30d5\u30c8\u3063\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5408\u6210\u3069\u3046\u306a\u3063\u3066\u308b\u3093\u3060\u308d","image_url":null,"categories":["\u30b7\u30a7\u30fc\u30c0\u30fc","\u5099\u5fd8\u9332","\u65e5\u8a18"],"version":"1.0","blog_url":"https://mahou-ptr.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/mahou_ptr/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmahou-ptr.hatenablog.com%2Fentry%2F2024%2F08%2F10%2F002632\" title=\"\u3010\u5099\u5fd8\u9332\u3011\u30da\u30a4\u30f3\u30c8\u30bd\u30d5\u30c8\u3063\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5408\u6210\u3069\u3046\u306a\u3063\u3066\u308b\u3093\u3060\u308d - \u30b2\u30fc\u30e0\u4f5c\u308a\u306f\u697d\u3057\u3044\" 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":"mahou_ptr","type":"rich","published":"2024-08-10 00:26:32","url":"https://mahou-ptr.hatenablog.com/entry/2024/08/10/002632","provider_url":"https://hatena.blog","description":"\u5099\u5fd8\u9332\u3067\u3059 float alphaSrc = srcColor.a; float alphaDst = dstColor.a; float a= alphaSrc + alphaDst * (1 - alphaSrc); float r = (srcColor.r * alphaSrc + dstColor.r * alphaDst * (1 - alphaSrc )) / a; float g = (srcColor.g * alphaSrc + dstColor.g * alphaDst * (1 - alphaSrc )) / a; float b = (srcColor.b * alp\u2026"}