{"id":105,"date":"2006-04-26T20:48:28","date_gmt":"2006-04-26T11:48:28","guid":{"rendered":"http:\/\/flapro.net\/newblog\/2006\/04\/php_gd.html"},"modified":"2008-01-17T00:44:30","modified_gmt":"2008-01-16T15:44:30","slug":"php_gd","status":"publish","type":"post","link":"https:\/\/flapro.net\/blog\/2006\/04\/26\/php_gd\/","title":{"rendered":"PHP GD\u3092\u4f7f\u3063\u305f\u753b\u50cf\u306e\u30ea\u30b5\u30a4\u30ba"},"content":{"rendered":"<p>PHP\u306eGD\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066\u753b\u50cf\u306e\u30ea\u30b5\u30a4\u30ba\u3092\u3059\u308b\u95a2\u6570\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002\u7e26\u6a2a\u9577\u3044\u307b\u3046\u3092\u57fa\u6e96\u306b\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u9577\u3055\u306b\u30ea\u30b5\u30a4\u30ba\u3057\u307e\u3059\u3002<br \/>\n\u203b\u9055\u3046\u30bd\u30fc\u30b9\u8f09\u3063\u3051\u3066\u307e\u3057\u305f\u3002\u3053\u308c\u304c\u6b63\u89e3\u3067\u3059\u3002<\/p>\n<pre class=\"sample\">\r\nfunction image_resize($source, $length){\r\n  \/\/\u5143\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3092\u30b2\u30c3\u30c8\r\n  list($o_width, $o_height) = getimagesize($source);\r\n  \/\/\u7e26\u9577\u304b\u6a2a\u9577\u304b\u3092\u30c1\u30a7\u30c3\u30af\r\n  if($o_width > $o_height){\/\/\u6a2a\u9577\u306e\u5834\u5408\r\n    $height = ($o_height \/ $o_width) * $length;\r\n    $width = $length;\r\n  }else{\/\/\u7e26\u9577\u306e\u5834\u5408\r\n    $width = ($o_width \/ $o_height) * $length;\r\n    $height = $length;\r\n  }\r\n  \/\/\u5143\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u307f\r\n  $source = imagecreatefromjpeg($source);\r\n  \/\/\u30ea\u30b5\u30a4\u30ba\u7528\u306e\u753b\u50cf\u3092\u4f5c\u6210\r\n  $new_image = imagecreatetruecolor($width, \u3000$height);\r\n  \/\/\u5143\u753b\u50cf\u304b\u3089\u30ea\u30b5\u30a4\u30ba\u3057\u3066\u30b3\u30d4\u30fc\r\n  imagecopyresampled($new_image,$source, 0, 0, 0, 0,\r\n  $width, $height, $o_width, $o_height);\t\r\n  \/\/\u753b\u50cf\u306e\u8868\u793a\r\n  header('Content-Type: image\/jpeg');\r\n  imagejpeg($new_image,NULL,100);\r\n  imagedestroy($new_image);\r\n}\r\n\r\nimage_resize(\"\u753b\u50cf\u3078\u306e\u30d1\u30b9\", \u30ea\u30b5\u30a4\u30ba\u5f8c\u306e\u30b5\u30a4\u30ba);\r\n<\/pre>\n<p><a href=\"http:\/\/www.amazon.co.jp\/exec\/obidos\/redirect?link_code=as2&#038;path=ASIN\/4774125024&#038;tag=youty0e9-22&#038;camp=247&#038;creative=1211\" target=\"_blank\">\u2192\u300cPHP \u30dd\u30b1\u30c3\u30c8\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u300d\u3092\u30c1\u30a7\u30c3\u30af<\/a><img loading=\"lazy\" src=\"http:\/\/www.assoc-amazon.jp\/e\/ir?t=youty0e9-22&#038;l=as2&#038;o=9&#038;a=4774125024\" width=\"1\" height=\"1\" border=\"0\" alt=\"\" style=\"border:none !important; margin:0px !important;\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u306eGD\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066\u753b\u50cf\u306e\u30ea\u30b5\u30a4\u30ba\u3092\u3059\u308b\u95a2\u6570\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002\u7e26\u6a2a\u9577\u3044\u307b\u3046\u3092\u57fa\u6e96\u306b\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u9577\u3055\u306b\u30ea\u30b5\u30a4\u30ba\u3057\u307e\u3059\u3002 \u203b\u9055\u3046\u30bd\u30fc\u30b9\u8f09\u3063\u3051\u3066\u307e\u3057\u305f\u3002\u3053\u308c\u304c\u6b63\u89e3\u3067\u3059\u3002 function image_resize &hellip; <a href=\"https:\/\/flapro.net\/blog\/2006\/04\/26\/php_gd\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/posts\/105"}],"collection":[{"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/comments?post=105"}],"version-history":[{"count":0,"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/posts\/105\/revisions"}],"wp:attachment":[{"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/media?parent=105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/categories?post=105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/flapro.net\/blog\/wp-json\/wp\/v2\/tags?post=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}