{"id":1454,"date":"2013-11-30T22:24:25","date_gmt":"2013-11-30T13:24:25","guid":{"rendered":"http:\/\/blog.xcir.net\/?p=1454"},"modified":"2013-12-01T21:02:22","modified_gmt":"2013-12-01T12:02:22","slug":"%e3%82%b5%e3%83%a0%e3%83%8d%e3%82%a4%e3%83%ab%e3%82%92%e4%bd%9c%e3%82%8b%e9%9a%9b%e3%81%ab%e7%9f%a5%e3%81%a3%e3%81%a6%e3%81%8a%e3%81%8f%e3%81%a8%e4%be%bf%e5%88%a9%e3%81%aa","status":"publish","type":"post","link":"http:\/\/blog.xcir.net\/?p=1454","title":{"rendered":"\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f5c\u308b\u969b\u306b\u77e5\u3063\u3066\u304a\u304f\u3068\u4fbf\u5229\u306a\u77e5\u8b58"},"content":{"rendered":"<p>\u5c11\u3057\u524d\u306b\u30b5\u30e0\u30cd\u30a4\u30eb\u306e\u4f5c\u308a\u65b9\u3092\u30c1\u30fc\u30e0\u306e\u4eba\u306b\u805e\u304b\u308c\u3066\u6559\u3048\u3066\u3044\u305f\u306e\u3067\u3059\u304c<br \/>\n\u5ea7\u6a19\u306e\u95a2\u4fc2\u304c\u3059\u3089\u3059\u3089\u8a00\u3048\u306a\u304b\u3063\u305f\u306e\u3067\u5099\u5fd8\u9332\u7684\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n\u3064\u3044\u3067\u306b\u4ed6\u306e\u4e8b\u3082\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<h3>\u30b5\u30e0\u30cd\u30a4\u30eb\u306e\u5ea7\u6a19<\/h3>\n<p>\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f7f\u3046\u5834\u9762\u306f\u3044\u308d\u3044\u308d\u3042\u308b\u3068\u601d\u3046\u306e\u3067\u3059\u304c\u5927\u304d\u304f\u5206\u3051\u308b\u30682\u3064\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u30fb\u5358\u7d14\u306b\u5c0f\u3055\u304f\u3059\u308b(\u4f8b\uff1a640&#215;480 -> 320&#215;240)<br \/>\n\u30fb\u6307\u5b9a\u30b5\u30a4\u30ba\u306b\u3059\u308b\uff08\u4f8b\uff1a640&#215;480 -> 60&#215;60\uff09<\/p>\n<p>\u5358\u7d14\u306b\u5c0f\u3055\u304f\u3059\u308b\u5834\u5408\u306f\u3042\u307e\u308a\u6c17\u306b\u3057\u306a\u3044\u306e\u3067\u3059\u304c<br \/>\n\u6307\u5b9a\u30b5\u30a4\u30ba\u306b\u53ce\u307e\u308b\u3088\u3046\u306b\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f5c\u308b\u5834\u5408\u306f\u5ea7\u6a19\u3092\u6c17\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/imtg.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/imtg.png\" alt=\"imtg\" width=\"458\" height=\"379\" class=\"aligncenter size-full wp-image-1458\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/imtg.png 458w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/imtg-300x248.png 300w\" sizes=\"auto, (max-width: 458px) 100vw, 458px\" \/><\/a><\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4e0a\u8a18\u306e\u4f8b\u306e\u3088\u3046\u306b\u7e26\u9577\u306e\u753b\u50cf\u3092\u65e5\u8a18\u306e\u30a2\u30a4\u30b3\u30f3\u306b\u4f7f\u3046\u3088\u3046\u306a\u6b63\u65b9\u5f62\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u306b\u3057\u305f\u3044\u5834\u5408\u306b\u304a\u3044\u3066<br \/>\n\u3067\u304d\u308c\u3070\u9854\u306e\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3042\u305f\u308a\u3092\u30b5\u30e0\u30cd\u30a4\u30eb\u3068\u3057\u305f\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u5834\u5408\u306f\u4f55\u3092\u3069\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/image.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/image.png\" alt=\"image\" width=\"743\" height=\"364\" class=\"aligncenter size-full wp-image-1456\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/image.png 743w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/image-300x146.png 300w\" sizes=\"auto, (max-width: 743px) 100vw, 743px\" \/><\/a><br \/>\n\u4f7f\u3046\u753b\u50cf\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u3063\u3066\u3001\u547c\u3073\u540d\u306f\u5909\u308f\u3063\u305f\u308a\u3059\u308b\u306e\u3067\u3059\u304c<br \/>\n\u57fa\u672c\u7684\u306b\u306f\u4e0a\u8a18\u306e\u4f8b\u306e\u3088\u3046\u306a\u95a2\u4fc2\u6027\u304c\u6709\u308a\u307e\u3059\u3002<br \/>\n\u5148\u307b\u3069\u306e\u7e26\u9577\u306e\u753b\u50cf\u306e\u4e0a\u306e\u65b9\u3092\u30b5\u30e0\u30cd\u30a4\u30eb\u306b\u4f7f\u3044\u305f\u3044\u5834\u5408\u306f\u3001\u5143\u753b\u50cf\u306ey\u5ea7\u6a19(Source y)\u30920\u3084\u7e26\u5e45\u306b\u5bfe\u3057\u306610%\u306e\u3088\u3046\u306a\u6307\u5b9a\u306b\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305f\u3001\u3053\u308c\u3089\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u30b5\u30e0\u30cd\u30a4\u30eb\u306e\u4f5c\u6210\u306f<br \/>\n\u5143\u753b\u50cf(Source Image)\u304b\u3089\u5207\u308a\u629c\u3044\u305f\u753b\u50cf(crop)\u3092\u3001\u65b0\u3057\u3044\u30ad\u30e3\u30f3\u30d0\u30b9(Thumbnail Image)\u306b\u6307\u5b9a\u306e\u5ea7\u6a19\u306b\u30ea\u30b5\u30a4\u30ba\u3057\u306a\u304c\u3089\u8ee2\u9001\u3059\u308b\u3082\u306e\u3067\u3059\u3002<br \/>\n\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u30b1\u30fc\u30ad(Source Image)\u3092\u5207\u308a\u5206\u3051\u3066(crop)\u3001\u500b\u5225\u306e\u76bf(Canvas)\u306b\u8f09\u305b\u308b(dest)\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n(\u3053\u306e\u5834\u5408\u306fcrop\u306e\u30b5\u30a4\u30ba\u3068dest\u306e\u30b5\u30a4\u30ba\u306f\u540c\u4e00\uff09<br \/>\n\u305f\u307e\u306b\u30b5\u30e0\u30cd\u30a4\u30eb\u306e\u30b5\u30a4\u30ba(canvas width\/height)\u3068\u8ee2\u9001\u306e\u30b5\u30a4\u30ba(dest width\/height)\u306e\u95a2\u4fc2\u304c\u3042\u308c\uff1f\u3068\u306a\u308b\u4e8b\u304c\u3042\u308b\u3068\u601d\u3046\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u3088\u3046\u306b\u899a\u3048\u308b\u3068\u3044\u3044\u3093\u3058\u3083\u3044\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001imagemagick\u3067\u3053\u306e\u3088\u3046\u306a\u4f4d\u7f6e\u6c7a\u3081\u3092\u3059\u308b\u969b\u306b\u53f3\u4e0a\u3068\u304b\u53f3\u4e0b\u307f\u305f\u3044\u306a\u6307\u5b9a\u304c\u3067\u304d\u307e\u3059(gravity)<br \/>\n\u305f\u3060northeast\u3084\u3089southwest\u307f\u305f\u3044\u306a\u6307\u5b9a\u3067\u65e5\u672c\u4eba\u7684\u306b\u306f\u76f4\u611f\u7684\u3058\u3083\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u56f3\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/gravity.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/gravity.png\" alt=\"gravity\" width=\"637\" height=\"459\" class=\"aligncenter size-full wp-image-1476\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/gravity.png 637w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/gravity-300x216.png 300w\" sizes=\"auto, (max-width: 637px) 100vw, 637px\" \/><\/a><\/p>\n<h3>\u9577\u8fba\u30fb\u77ed\u8fba\u57fa\u6e96<\/h3>\n<p>\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f5c\u308b\u969b\u306b\u9577\u8fba\u57fa\u6e96\u3001\u77ed\u8fba\u57fa\u6e96\u3068\u3044\u3046\u306e\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306f\u3069\u3046\u3044\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u9577\u65b9\u5f62\u306e\u753b\u50cf\u3092\u6b63\u65b9\u5f62\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u306b\u3059\u308b\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3067\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n\u5f53\u7136\u3001\u9577\u65b9\u5f62\u3092\u6b63\u65b9\u5f62\u306b\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u6f70\u3057\u3066\u3057\u307e\u308f\u306a\u3044\u3068\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u3057\u304b\u3057\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f5c\u308b\u969b\u306f\u3001\u7e26\u6a2a\u6bd4\u3092\u5909\u66f4\u305b\u305a\u306b\uff08\uff1d\u6f70\u3055\u305a\u306b\uff09\u4f5c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<br \/>\n\u3067\u306f\u3001\u7e26\u6a2a\u6bd4\u3092\u5909\u66f4\u3057\u306a\u3044\u3067\u9577\u65b9\u5f62\u3092\u6b63\u65b9\u5f62\u306b\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n2\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30fb\u9699\u9593\u304c\u7a7a\u304f\u3053\u3068\u3092\u8a31\u5bb9\u3057\u3066\u9577\u65b9\u5f62\u306e\u9577\u3044\u8fba\u304c\u30b5\u30e0\u30cd\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u306b\u5408\u3046\u3088\u3046\u306b\u3059\u308b\uff08\uff1d<strong>\u9577\u8fba\u57fa\u6e96<\/strong>\uff09<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2011\/08\/s_5.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2011\/08\/s_5.jpg\" alt=\"s_5\" width=\"274\" height=\"105\" class=\"aligncenter size-full wp-image-608\" \/><\/a><br \/>\n\u5143\u753b\u50cf\u306f640&#215;480\u3067\u3001\u8d64\u3044\u7b87\u6240\u304c\u9699\u9593\u3067\u3059<\/p>\n<p>\u30fb\u5207\u308a\u843d\u3068\u3055\u308c\u308b\u3053\u3068\u3092\u8a31\u5bb9\u3057\u3066\u9577\u65b9\u5f62\u306e\u77ed\u3044\u8fba\u304c\u30b5\u30e0\u30cd\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u306b\u5408\u3046\u3088\u3046\u306b\u3059\u308b\uff08\uff1d<strong>\u77ed\u8fba\u57fa\u6e96<\/strong>\uff09<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2011\/08\/s_6.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2011\/08\/s_6.jpg\" alt=\"s_6\" width=\"276\" height=\"111\" class=\"aligncenter size-full wp-image-609\" \/><\/a><br \/>\n\u9577\u3044\u8fba(\u6a2a)\u306e\u4e21\u7aef\u304c\u5207\u308a\u843d\u3068\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u304c\u9577\u8fba\u30fb\u77ed\u8fba\u57fa\u6e96\u3067\u3059\u3002<\/p>\n<h3>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3gif\u306e\u30ea\u30b5\u30a4\u30ba\u3068\u30d1\u30ec\u30c3\u30c8<\/h3>\n<p>\u4eca\u306f\u3069\u3046\u3060\u304b\u308f\u304b\u3089\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u666e\u901a\u306b\u898b\u3048\u3066\u3044\u305f\u306e\u306b\u30ea\u30b5\u30a4\u30ba\u3057\u3066\u307f\u305f\u3089\u7279\u5b9a\u306e\u643a\u5e2f\u3067\u8272\u304c\u5d29\u308c\u308b\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3057\u305f\u3002\uff08AU\u7aef\u672b\uff09<br \/>\n\u3053\u308c\u306f\u3069\u3046\u3044\u3046\u3053\u3068\u304b\u3068\u3044\u3046\u3068\u3001\u30d1\u30ec\u30c3\u30c8\u306e\u6301\u3061\u65b9\u304c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3GIF\u5168\u4f53\u3067\u6301\u3063\u3066\u3044\u308b\u30b0\u30ed\u30fc\u30d0\u30eb\u30d1\u30ec\u30c3\u30c8\u304b\u3089\u3001\u5404\u30d5\u30ec\u30fc\u30e0\u3067\u6301\u3063\u3066\u3044\u308b\u30ed\u30fc\u30ab\u30eb\u30d1\u30ec\u30c3\u30c8\u306b\u5909\u308f\u3063\u305f\u304b\u3089\u3067\u3059\u3002<br \/>\n\u7279\u5b9a\u306e\u643a\u5e2f\u3067\u306f\u3001\u6700\u521d\u306e\u30d5\u30ec\u30fc\u30e0\u306e\u30d1\u30ec\u30c3\u30c8\u306e\u307f\u3092\u4f7f\u3044\u3001\u305d\u308c\u305e\u308c\u306e\u30d5\u30ec\u30fc\u30e0\u3067\u6301\u3063\u3066\u3044\u308b\u30d1\u30ec\u30c3\u30c8\u3092\u7121\u8996\u3059\u308b\u305f\u3081\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u8679\u8272\u306b\u898b\u3048\u308b\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u8d77\u3053\u308a\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306f\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u969b\u306b\u30ae\u30b6\u30ae\u30b6\u304c\u76ee\u7acb\u305f\u306a\u304f\u3059\u308b\u305f\u3081\u306b\u30a2\u30f3\u30c1\u30a8\u30a4\u30ea\u30a2\u30b9\u51e6\u7406\u304c\u8d70\u308a\u3001\u4f7f\u3046\u8272\u304c\u5909\u308f\u3063\u305f\u305f\u3081\u306b\u30b0\u30ed\u30fc\u30d0\u30eb\u3092\u8ae6\u3081\u30ed\u30fc\u30ab\u30eb\u306b\u3057\u305f\u305f\u3081\u3067\u3059(<a href=\"http:\/\/ja.wikipedia.org\/wiki\/%E3%82%A2%E3%83%B3%E3%83%81%E3%82%A8%E3%82%A4%E3%83%AA%E3%82%A2%E3%82%B9\" title=\"wikipedia:\u30a2\u30f3\u30c1\u30a8\u30a4\u30ea\u30a2\u30b9\">wikipedia:\u30a2\u30f3\u30c1\u30a8\u30a4\u30ea\u30a2\u30b9<\/a>)<br \/>\n\u307e\u305f\u3001\u30d1\u30ec\u30c3\u30c8\u304c\u30b0\u30ed\u30fc\u30d0\u30eb\u304b\u3089\u30ed\u30fc\u30ab\u30eb\u306b\u5909\u308f\u308b\u3068\u3001\u305d\u308c\u305e\u308c\u306e\u30d5\u30ec\u30fc\u30e0\u3067\u30d1\u30ec\u30c3\u30c8\u3092\u6301\u3064\u305f\u3081\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5897\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u3053\u3046\u3044\u3046\u3053\u3068\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u3044\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u53c2\u7167\uff1a<a href=\"http:\/\/blog.xcir.net\/index.php\/2011\/08\/%e6%90%ba%e5%b8%af%e5%90%91%e3%81%91%e3%82%a2%e3%83%8b%e3%83%a1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3gif%e3%82%92imagemagick%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%83%aa%e3%82%b5%e3%82%a4%e3%82%ba\/\" title=\"\u643a\u5e2f\u5411\u3051\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3gif\u3092imagemagick\u3092\u4f7f\u3063\u3066\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u65b9\u6cd5(php)\">\u643a\u5e2f\u5411\u3051\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3gif\u3092imagemagick\u3092\u4f7f\u3063\u3066\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u65b9\u6cd5(php)<\/a><\/p>\n<h3>\u6a2a\u5e45\u30fb\u7e26\u5e45\u306e\u30b5\u30a4\u30ba\u30922\u500d\u306b\u3057\u305f\u6642\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u30e1\u30e2\u30ea\u306e\u30b5\u30a4\u30ba<\/h3>\n<p>\u3059\u3054\u304f\u524d\u306b\u3001\u771f\u9854\u3067\u805e\u304b\u308c\u3066\u771f\u9854\u3067\u8fd4\u3057\u305f\u3093\u3067\u3059\u304c<br \/>\n\u7e26\u6a2a\u30b5\u30a4\u30ba\u30922\u500d\u306b\u3060\u3063\u305f\u3089\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u30822\u500d\u3060\u308d\u3046\u3068\u8a00\u308f\u308c\u307e\u3057\u305f\u3002<br \/>\n\u9762\u7a4d\u306e\u8a08\u7b97\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u30014\u500d\u3067\u3059\u3002<br \/>\n\u5b9f\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u5727\u7e2e\u304c\u52b9\u3044\u3066\u3044\u305f\u308a\u3059\u308b\u306e\u3067\u4e00\u6982\u306b\u8a00\u3048\u307e\u305b\u3093\u304c2\u500d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u307e\u305f\u8868\u793a\u3059\u308b\u969b\u306b\u7aef\u672b\u3067\u4f7f\u3046\u30e1\u30e2\u30ea\u306f\u3001\u57fa\u672c\u7684\u306b\u753b\u7d20\u6570\u3068\u305d\u306e1\u753b\u7d20\u3067\u4f7f\u3046\u30b5\u30a4\u30ba\u304c\u95a2\u4fc2\u3059\u308b\u306e\u3067<br \/>\n640&#215;480\u306724bit\u306e\u5834\u5408\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c50KB\u306e\u5834\u5408\u3067\u3082900KB\u4ee5\u4e0a\u306e\u30e1\u30e2\u30ea\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u8003\u3048\u3066\u3044\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u5076\u306b\u500d\u306e\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u3092\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u7b49\u500d\u306b\u3059\u308b\u4eba\u3082\u3044\u307e\u3059\u304c\u3001\u3053\u3046\u3044\u3046\u3053\u3068\u3092\u982d\u306e\u9685\u306b\u7f6e\u3044\u3066\u304a\u304f\u3068\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30af\u30aa\u30ea\u30c6\u30a3<\/h3>\n<p>jpeg\u3067\u306f\u753b\u50cf\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u304cquality\u309210\u306b\u3057\u305f\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c1\/10\u306b\u306a\u308b\u304b\u3068\u3044\u3046\u3068\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qual.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qual.jpg\" alt=\"qual\" width=\"775\" height=\"421\" class=\"aligncenter size-full wp-image-1467\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qual.jpg 775w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qual-300x162.jpg 300w\" sizes=\"auto, (max-width: 775px) 100vw, 775px\" \/><\/a><br \/>\n\u3061\u3087\u3046\u3069\u3044\u3044\u753b\u50cf\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u5927\u6614\u306b\u63cf\u3044\u305f\u753b\u50cf(88,685byte)\u3092<br \/>\nimagemagick\u3067\u30af\u30aa\u30ea\u30c6\u30a3\u30921~100\u3067\u5909\u5316\u3055\u305b\u305f\u6642\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u3068\u3063\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n\u6bd4\u4f8b\u3057\u3066\u3044\u306a\u3044\u306e\u304c\u308f\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u753b\u50cf\u306b\u3088\u3063\u3066\u50be\u5411\u306f\u9055\u3044\u307e\u3059\u304c\u5927\u4f53\u306e\u5834\u5408\u306f90\u3050\u3089\u3044\u307e\u3067quality\u3092\u843d\u3068\u305b\u3070\u9ad8\u753b\u8cea\u3068\u30b5\u30a4\u30ba\u3092\u4e21\u7acb\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qualst.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qualst.jpg\" alt=\"qualst\" width=\"1830\" height=\"854\" class=\"aligncenter size-full wp-image-1468\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qualst.jpg 1830w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qualst-300x140.jpg 300w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/qualst-1024x477.jpg 1024w\" sizes=\"auto, (max-width: 1830px) 100vw, 1830px\" \/><\/a><br \/>\n\u307e\u305f\u3044\u304f\u3064\u304b\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u3067\u753b\u50cf\u304c\u3069\u306e\u3088\u3046\u306a\u611f\u3058\u306b\u306a\u308b\u304b\u3067\u3059\u3002\uff08im[quality].jpg\uff09<\/p>\n<p>\u3055\u3089\u306bquality=1\u306e\u753b\u50cf\u3092quality=100\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/im1to100.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/im1to100.jpg\" alt=\"im1to100\" width=\"590\" height=\"290\" class=\"aligncenter size-full wp-image-1469\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/im1to100.jpg 590w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/im1to100-300x147.jpg 300w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/a><br \/>\n\u5f53\u7136\u306e\u4e8b\u306a\u304c\u3089\u7dba\u9e97\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\nJPEG\u306f\u975e\u53ef\u9006\u3067\u3042\u308a\u5931\u308f\u308c\u305f\u60c5\u5831\u306f\u6b8b\u3063\u3066\u3044\u307e\u305b\u3093\u3002<br \/>\n\u3057\u304b\u3057\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u5897\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002(3,525byte -> 23,381byte)<br \/>\n\u30af\u30aa\u30ea\u30c6\u30a3\u3068\u30b5\u30a4\u30ba\u306e\u95a2\u4fc2\u306f\u899a\u3048\u3066\u304a\u304f\u3068\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3>RGB\u3068CMYK<\/h3>\n<p>\u3053\u308c\u306f\u30b5\u30e0\u30cd\u30a4\u30eb\u306b\u9650\u3063\u305f\u8a71\u3067\u306f\u306a\u3044\u306e\u3067\u3059\u304c<br \/>\n\u5076\u306b\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u306f\u753b\u50cf\u306e\u8272\u304c\u304a\u304b\u3057\u304f\u611f\u3058\u308b\u4e8b\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/cmyk.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/cmyk.jpg\" alt=\"cmyk\" width=\"1430\" height=\"413\" class=\"aligncenter size-full wp-image-1472\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/cmyk.jpg 1430w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/cmyk-300x86.jpg 300w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2013\/11\/cmyk-1024x295.jpg 1024w\" sizes=\"auto, (max-width: 1430px) 100vw, 1430px\" \/><\/a><br \/>\n\u5927\u4f53\u306e\u5834\u5408\u306f\u8272\u306e\u8868\u73fe\u65b9\u6cd5\u304cCMYK\u3068\u3044\u3046\u5370\u5237\u7528\u306e\u3082\u306e\u306b\u306a\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u3067\u3059\u3002<br \/>\nWeb\u3067\u306fRGB\u304c\u57fa\u672c\u306a\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u3056\u3063\u304f\u308a\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f5c\u308b\u3068\u304d\u306b\u77e5\u3063\u3066\u304a\u304f\u3068\u4fbf\u5229\u304b\u306a\u3068\u304a\u3082\u3063\u305f\u3053\u3068\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n\u307e\u305f\u601d\u3044\u3064\u3044\u305f\u3089\u8ffd\u8a18\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<div class='wp_social_bookmarking_light'>        <div class=\"wsbl_hatena\"><a href='\/\/b.hatena.ne.jp\/add?mode=confirm&url=http%3A%2F%2Fblog.xcir.net%2F%3Fp%3D1454&title=%E3%82%B5%E3%83%A0%E3%83%8D%E3%82%A4%E3%83%AB%E3%82%92%E4%BD%9C%E3%82%8B%E9%9A%9B%E3%81%AB%E7%9F%A5%E3%81%A3%E3%81%A6%E3%81%8A%E3%81%8F%E3%81%A8%E4%BE%BF%E5%88%A9%E3%81%AA%E7%9F%A5%E8%AD%98' title='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' 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