{"id":2240,"date":"2020-03-07T22:29:24","date_gmt":"2020-03-07T13:29:24","guid":{"rendered":"http:\/\/blue-bear.jp\/kb\/?p=2240"},"modified":"2020-03-07T22:29:24","modified_gmt":"2020-03-07T13:29:24","slug":"php-gd%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6png%e3%82%92%e9%80%8f%e9%81%8e%e3%81%ae%e3%81%be%e3%81%be%e3%83%aa%e3%82%b5%e3%82%a4%e3%82%ba%e3%81%99%e3%82%8b%e3%82%b3%e3%83%bc%e3%83%89","status":"publish","type":"post","link":"https:\/\/blue-bear.jp\/kb\/php-gd%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6png%e3%82%92%e9%80%8f%e9%81%8e%e3%81%ae%e3%81%be%e3%81%be%e3%83%aa%e3%82%b5%e3%82%a4%e3%82%ba%e3%81%99%e3%82%8b%e3%82%b3%e3%83%bc%e3%83%89\/","title":{"rendered":"[php] GD\u3092\u4f7f\u7528\u3057\u3066png\u3092\u900f\u904e\u306e\u307e\u307e\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u30b3\u30fc\u30c9"},"content":{"rendered":"<p>GD\u3092\u4f7f\u7528\u3057\u3066png\u3092\u900f\u904e\u306e\u307e\u307e\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u901a\u308a<\/p>\n<pre class=\"lang:default decode:true \">\/\/read the file as image\r\n $readimage = @get_image($imagefile, $image_type);\r\n\r\n \/\/prepare output image\r\n $outputimage = @imagecreatetruecolor($resize_width, $resize_height);\r\n\r\n \/\/resize &amp; copy\r\n if($readimage) {\r\n \/\/\u30d6\u30ec\u30f3\u30c9\u30e2\u30fc\u30c9\u3092\u7121\u52b9\u306b\u3059\u308b \u2190\u3053\u308c\u3067\u900f\u904e\r\n imagealphablending($outputimage, false);\r\n \/\/\u5b8c\u5168\u306a\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30cd\u30eb\u60c5\u5831\u3092\u4fdd\u5b58\u3059\u308b\u30d5\u30e9\u30b0\u3092on\u306b\u3059\u308b\u2190\u3053\u308c\u3067\u900f\u904e\r\n imagesavealpha($outputimage, true);\r\n \/\/$successed = imagecopyresized($outputimage, $readimage, 0, 0, 0, 0, $resize_width, $resize_height, $image_width, $image_height);\r\n $successed = imagecopyresampled($outputimage, $readimage, 0, 0, 0, 0, $resize_width, $resize_height, $image_width, $image_height);\r\n } else {\r\n $successed = FALSE;\r\n }\r\n\r\n \/\/ release data\r\n if(isset($readimage)) {\r\n imagedestroy($readimage);\r\n }\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GD\u3092\u4f7f\u7528\u3057\u3066png\u3092\u900f\u904e\u306e\u307e\u307e\u30ea\u30b5\u30a4\u30ba<\/p>\n","protected":false},"author":1,"featured_media":47,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/2240"}],"collection":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/comments?post=2240"}],"version-history":[{"count":1,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/2240\/revisions"}],"predecessor-version":[{"id":2241,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/2240\/revisions\/2241"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/media\/47"}],"wp:attachment":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/media?parent=2240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/categories?post=2240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/tags?post=2240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}