{"id":116992,"date":"2024-03-23T08:46:59","date_gmt":"2024-03-22T23:46:59","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/html-%e3%82%ad%e3%83%a3%e3%83%b3%e3%83%90%e3%82%b9%e3%81%ae-fillrect-%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2\/"},"modified":"2024-04-05T07:33:09","modified_gmt":"2024-04-04T22:33:09","slug":"html-%e3%82%ad%e3%83%a3%e3%83%b3%e3%83%90%e3%82%b9%e3%81%ae-fillrect-%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/html-%e3%82%ad%e3%83%a3%e3%83%b3%e3%83%90%e3%82%b9%e3%81%ae-fillrect-%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2\/","title":{"rendered":"HTML \u30ad\u30e3\u30f3\u30d0\u30b9\u306e fillRect() \u95a2\u6570\u306e\u5f79\u5272"},"content":{"rendered":"

fillRect()\u306fHTML\u30ad\u30e3\u30f3\u30d0\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3001canvas\u4e0a\u306b\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u9577\u65b9\u5f62\u3092\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n

\u6307\u5b9a\u3055\u308c\u305f\u5834\u6240\u306b\u77e9\u5f62\u3092\u63cf\u753b\u3057\u3001\u77e9\u5f62\u5185\u3092\u5857\u308a\u3064\u3076\u3057\u307e\u3059\u3002\u77e9\u5f62\u306e\u4f4d\u7f6e\u3001\u30b5\u30a4\u30ba\u3001\u5857\u308a\u3064\u3076\u3059\u8272\u306f\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u6b21\u306b\u3001`fillRect()` \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8d64\u3044\u5857\u308a\u3064\u3076\u3057\u9577\u65b9\u5f62\u3092\u63cf\u753b\u3059\u308b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

All blank cards<\/a><\/p>\n

var canvas = document.getElementById(“myCanvas”);
\nvar ctx = canvas.getContext(“2d”);
\nctx.fillStyle = “\u8d64”;
\nctx.fillRect(0, 0, 200, 100);<\/p>\n

\u6587\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u306f 1 \u3064\u3060\u3051\u3067\u304b\u307e\u3044\u307e\u305b\u3093:<\/p>\n

\u4e0a\u8a18\u306e\u4f8b\u306e\u6700\u521d\u306e\u884c\u3067\u306f\u3001“\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3066\u304b\u3089\u3001“getContext(“2d”)“\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u30662D\u63cf\u753b\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u3042\u308b`ctx`\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u753b\u9762\u306b\u3001\u8272\u3092\u8d64\u306b\u8a2d\u5b9a\u3057\u3001fillRect()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u5ea7\u6a19(0, 0)\u306b\u3001\u6a2a\u5e45 200 px\u3001\u9ad8\u3055<\/p>\n

100\u30d4\u30af\u30bb\u30eb\u306e\u9577\u65b9\u5f62\u3092\u4f5c\u6210\u3057\u3001\u8d64\u8272\u3067\u5857\u308a\u3064\u3076\u3059\u3002<\/p>\n

\u5fc5\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30ba\u3084\u4f4d\u7f6e\u306b\u77e9\u5f62\u3092\u63cf\u753b\u3057\u305f\u308a\u3001\u5225\u306e\u5857\u308a\u3064\u3076\u3057\u306e\u8272\u3092\u6307\u5b9a\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

fillRect()\u306fHTML\u30ad\u30e3\u30f3\u30d0\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3001canvas\u4e0a\u306b\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u9577\u65b9\u5f62\u3092\u63cf\u753b\u3057\u307e\u3059\u3002 \u6307\u5b9a\u3055\u308c\u305f\u5834\u6240\u306b\u77e9\u5f62\u3092\u63cf\u753b\u3057\u3001\u77e9\u5f62\u5185\u3092\u5857\u308a\u3064\u3076\u3057\u307e\u3059\u3002\u77e9\u5f62\u306e\u4f4d\u7f6e\u3001\u30b5\u30a4\u30ba\u3001\u5857\u308a\u3064\u3076\u3059\u8272\u306f\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u8a2d\u5b9a\u3067\u304d\u307e\u3059 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-116992","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nHTML \u30ad\u30e3\u30f3\u30d0\u30b9\u306e fillRect() \u95a2\u6570\u306e\u5f79\u5272 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/html-\u30ad\u30e3\u30f3\u30d0\u30b9\u306e-fillrect-\u95a2\u6570\u306e\u5f79\u5272\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HTML \u30ad\u30e3\u30f3\u30d0\u30b9\u306e fillRect() \u95a2\u6570\u306e\u5f79\u5272\" \/>\n<meta property=\"og:description\" content=\"fillRect()\u306fHTML\u30ad\u30e3\u30f3\u30d0\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3001canvas\u4e0a\u306b\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u9577\u65b9\u5f62\u3092\u63cf\u753b\u3057\u307e\u3059\u3002 \u6307\u5b9a\u3055\u308c\u305f\u5834\u6240\u306b\u77e9\u5f62\u3092\u63cf\u753b\u3057\u3001\u77e9\u5f62\u5185\u3092\u5857\u308a\u3064\u3076\u3057\u307e\u3059\u3002\u77e9\u5f62\u306e\u4f4d\u7f6e\u3001\u30b5\u30a4\u30ba\u3001\u5857\u308a\u3064\u3076\u3059\u8272\u306f\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u8a2d\u5b9a\u3067\u304d\u307e\u3059 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/html-\u30ad\u30e3\u30f3\u30d0\u30b9\u306e-fillrect-\u95a2\u6570\u306e\u5f79\u5272\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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