{"id":396,"date":"2011-01-13T16:17:10","date_gmt":"2011-01-13T07:17:10","guid":{"rendered":"http:\/\/www.webcyou.com\/?p=396"},"modified":"2012-02-10T03:34:47","modified_gmt":"2012-02-09T18:34:47","slug":"%e3%82%b9%e3%83%9e%e3%83%bc%e3%83%88%e3%83%95%e3%82%a9%e3%83%b3%e3%80%80devicepixelratio%e3%80%80%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.webcyou.com\/?p=396","title":{"rendered":"\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3 devicePixelRatio\u3000\u306b\u3064\u3044\u3066"},"content":{"rendered":"

\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306b\u306f\u3001\u753b\u50cf1px\u304c\u5b9f\u969b\u306e\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u4f55px\u3068\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u304b\u3092\u793a\u3059
\n devicePixelRatio\u3068\u3044\u3046\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3053\u308c\u306e\u5024\u306fwebkit\u7cfb\u3067\u3042\u308c\u3070\u3001window.devicePixelRatio\u306b\u5165\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

javascript\u3067\u51fa\u529b\u3059\u308b\u5834\u5408\u3001<\/p>\n

\r\ndocument.write(window.devicePixelRatio);\r\n<\/pre>\n<\/p>\n
\u3067\u51fa\u529b\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u307e\u305f\u3001css\u3067\u306f-webkit-min-device-pixel-ratio\u3067\u6307\u5b9a\u51fa\u6765\u307e\u3059\u3002<\/code><\/p>\n
\u8abf\u3079\u305f\u3068\u3053\u308diPhone4\u3067\u306f\u3053\u306e\u5024\u304c2\u306b\u306a\u3063\u3066\u3044\u3066\u3001<\/p>\n
\u4eca\u307e\u3067\u901a\u308a\u306b\u753b\u50cf\u3092\u8868\u793a\u3055\u305b\u308b\u3068\u81ea\u52d5\u7684\u306b\u62e1\u5927\u3055\u308c\u3066\u753b\u50cf\u304c\u30dc\u30b1\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u3010\u56de\u907f\u7b56\u3011\u305d\u306e\uff11<\/h4>\n
\u3053\u308c\u3092\u907f\u3051\u308b\u306b\u306f\u3001\u5b9f\u969b\u306b\u8868\u793a\u3055\u305b\u305f\u3044\u30b5\u30a4\u30ba\u306e2\u500d\u306e\u30d4\u30af\u30bb\u30eb\u30b5\u30a4\u30ba\u306e\u3082\u306e\u3092\u7528\u610f\u3057\u3066\u3001<\/p>\n
\u7e26\u6a2a\u30921\/2\u306b\u3057\u3001css\u53c8\u306fHTML\u7b49\u3067\u6307\u5b9a\u3092\u884c\u3044<\/p>\n
\u8868\u793a\u3055\u305b\u308b\u3068\u753b\u50cf\u306e1\u30d4\u30af\u30bb\u30eb\u3068\u30c7\u30d0\u30a4\u30b9\u306e1\u30d4\u30af\u30bb\u30eb\u304c1:1\u306e\u6bd4\u7387\u3068\u306a\u3063\u3066<\/p>\n
\u62e1\u5927\u3055\u308c\u308b\u3053\u3068\u306a\u304f\u7dba\u9e97\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u65e5\u672c\u306e\u30ad\u30e3\u30ea\u30a2\u304c\u8ca9\u58f2\u3057\u3066\u3044\u308b\u591a\u304f\u306eandroid\u7aef\u672b\u306f\u3053\u306edevicePixelRatio\u306e\u5024\u304c1.5\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002(2011\u5e741\u6708\u73fe\u5728)<\/p>\n
\u3010\u56de\u907f\u7b56\u3011\u305d\u306e2\u00a0meta\u3067\u56de\u907f\u3059\u308b\u3002<\/code><\/h4>\n
Viewport\u3092\u64cd\u4f5c\u3059\u308bMeta Tag\u3001meta name=\u201dviewport\u201d\u3000target-densitydpi<\/p>\n
\u3092\u4f7f\u7528\u3057\u56de\u907f\u3059\u308b\u3002<\/p>\n
2011\u5e741\u6708\u6642\u70b9\u3067\u306eiPhone\u3067\u306f\u5bfe\u5fdc\u3057\u3066\u304a\u3089\u305a\u3001Android2.0\u4ee5\u4e0a\u306e\u307f\u306b\u52b9\u679c\u304c\u3042\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u306a\u308b\u3002<\/p>\n
<meta name="viewport" content="target-densitydpi=device-dpi" \/><\/pre>\n<\/p>\n
\u5404dpi\u6307\u5b9a<\/p>\n
device-dpi<\/p>\n
low-dpi: 120dpi<\/p>\n
medium-dpi: 160dpi<\/p>\n
high-dpi: 240dpi<\/p>\n
dpi\u3000\uff1d\u30001\u30a4\u30f3\u30c1\uff081\u5e73\u65b9\u30a4\u30f3\u30c1\u3067\u306f\u306a\u3044\uff09\u306e\u5e45\u306e\u4e2d\u306b\u3069\u308c\u3060\u3051\u306e\u30c9\u30c3\u30c8\u3092\u8868\u73fe\u3067\u304d\u308b\u304b\u3092\u8868\u3059\u3002\uff08wikipedia\u5f15\u7528\uff09<\/p>\n
\u307e\u305f\u3001CSS\u3067\u753b\u50cf\u3092\u5207\u308a\u66ff\u3048\u305f\u3044\u5834\u5408\u306f\u3053\u3061\u3089\u3092\u53c2\u7167\u306b<\/p>\n
\u30b9\u30de\u30d5\u30a9\u30f3\u30b5\u30a4\u30c8 iPhone4\u7b49\u306e\u9ad8\u89e3\u50cf\u5ea6\u30c7\u30d0\u30a4\u30b9\u5bfe\u5fdc \u753b\u50cf\u3092 css\u3067\u306e\u5207\u308a\u66ff\u3048<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"
\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306b\u306f\u3001\u753b\u50cf1px\u304c\u5b9f\u969b\u306e\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u4f55px\u3068\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u304b\u3092\u793a\u3059 devicePixelRatio\u3068\u3044\u3046\u5024\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u306e\u5024\u306fwebkit\u7cfb\u3067\u3042\u308c\u3070\u3001window.devicePixelRat […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[171,59,167,177,166,178],"class_list":["post-396","post","type-post","status-publish","format-standard","hentry","category-32","tag-android","tag-android-sdk","tag-css","tag-css3","tag-iphone","tag-178"],"_links":{"self":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=396"}],"version-history":[{"count":22,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/396\/revisions"}],"predecessor-version":[{"id":3000,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/396\/revisions\/3000"}],"wp:attachment":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}