{"id":130,"date":"2016-10-24T03:37:52","date_gmt":"2016-10-23T18:37:52","guid":{"rendered":"http:\/\/www.dogrow.net\/php\/?p=130"},"modified":"2017-09-01T17:14:57","modified_gmt":"2017-09-01T08:14:57","slug":"blog10","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/php\/blog10\/","title":{"rendered":"(10) GD\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u753b\u50cf\u3092\u62e1\u5927\u30fb\u7e2e\u5c0f"},"content":{"rendered":"

\u3084\u3063\u3066\u307f\u305f\u3044\u3053\u3068<\/h1>\n

\u4efb\u610f\u306eJPEG\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092WEB\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u6307\u5b9a\u30b5\u30a4\u30ba\u306b\u62e1\u5927\u30fb\u7e2e\u5c0f\u3057\u3066WEB\u30d6\u30e9\u30a6\u30b6\u306b\u8868\u793a\u3059\u308b\u3002
\nImageMagick\u3067\u306f\u306a\u304f GD\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n

\"sample_org\"
\n\u3000\u2193
\n\"sample_mini\"
\n\u3000
\n\u5b9f\u884c\u30b5\u30f3\u30d7\u30eb\u306f\u3053\u3061\u3089\u3067\u3059\u3002
\n\/\/www.dogrow.net\/php\/sample\/00010\/<\/a><\/p>\n

\u30d7\u30ed\u30b0\u30e9\u30e0\u4f5c\u6210<\/h1>\n

\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4ed5\u69d8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002
\n\u30fb\u5909\u63db\u53ef\u80fd\u306a\u753b\u50cf\u5f62\u5f0f\u306f JPEG, PNG, GIF\u306e3\u7a2e\u985e\u3068\u3059\u308b\u3002
\n\u30fb\u5165\u529b\u753b\u50cf\u306f\u4e00\u8fba\u304c20\uff5e1000\u30d4\u30af\u30bb\u30eb\u306e\u753b\u50cf\u3092\u51e6\u7406\u5bfe\u8c61\u3068\u3059\u308b\u3002
\n\u30fb\u51fa\u529b\u753b\u50cf\u30b5\u30a4\u30ba\u306f\u4e00\u8fba\u304c20\uff5e1000\u30d4\u30af\u30bb\u30eb\u306e\u7bc4\u56f2\u3067\u6307\u5b9a\u53ef\u80fd\u3068\u3059\u308b\u3002<\/p>\n

index.php<\/h3>\n
\r\n<!DOCTYPE html>\r\n<HTML>\r\n<HEAD>\r\n<META CHARSET="UTF-8" \/>\r\n<TITLE>\u30b5\u30f3\u30d7\u30eb<\/TITLE>\r\n<\/HEAD>\r\n<\/BODY>\r\n<?php\r\n  \/\/ \u753b\u50cf\u5909\u63db\u51e6\u7406\u8981\u6c42\uff1f\r\n  if(isset($_POST['exec'])){\r\n    try{\r\n      if(is_uploaded_file($_FILES['upfile']['tmp_name'])){\r\n        \/\/ \u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u753b\u50cf\u3092\u4fdd\u5b58\r\n        move_uploaded_file($_FILES['upfile']['tmp_name'], 'tmp.img');\r\n        \/\/ \u753b\u50cf\u5909\u63db\uff06\u8868\u793a\r\n        echo "<img src=\\"img_resize.php?fpath=tmp.img&w=".$_POST['w']."\\">";\r\n      }\r\n    }catch(Exception $e){\r\n      echo "[".__LINE__."] Caught exception: ".$e->getMessage();\r\n    }\r\n  }\r\n?>\r\n<hr \/>\r\n<form enctype="multipart\/form-data" action=".\/" method=post>\r\n<table style="border:2px #000 solid">\r\n  <tr><th>\u753b\u50cf\u30d5\u30a1\u30a4\u30eb<\/th><td><input type="file" name="upfile"><\/td><\/tr>\r\n  <tr><th>\u5909\u66f4\u5f8c\u306e\u753b\u50cf\u5e45 [pixel]<\/th><td><input type="text" name="w" value="100"><\/td><\/tr>\r\n<\/table>\r\n<input name="exec" type="submit" value="JPEG,PNG,GIF\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3057\u307e\u3059\u3002">\r\n<p style="border:2px #f00 solid;color:#f00;padding:2px;">\r\n\u30fb\u5909\u63db\u53ef\u80fd\u306a\u753b\u50cf\u5f62\u5f0f\u306f JPEG, PNG, GIF\u306e3\u7a2e\u985e\u3068\u3059\u308b\u3002<br \/>\r\n\u30fb\u5165\u529b\u753b\u50cf\u306f\u4e00\u8fba\u304c20\uff5e1000\u30d4\u30af\u30bb\u30eb\u306e\u753b\u50cf\u3092\u51e6\u7406\u5bfe\u8c61\u3068\u3059\u308b\u3002<br \/>\r\n\u30fb\u51fa\u529b\u753b\u50cf\u30b5\u30a4\u30ba\u306f\u4e00\u8fba\u304c20\uff5e1000\u30d4\u30af\u30bb\u30eb\u306e\u7bc4\u56f2\u3067\u6307\u5b9a\u53ef\u80fd\u3068\u3059\u308b\u3002\r\n<\/p>\r\n<\/form>\r\n<\/BODY>\r\n<\/HTML>\r\n<\/pre>\n
img_resize.php<\/h3>\n
\r\n<?php\r\nresize_img($_GET['fpath'], $_GET['w']);\r\n\r\n\/\/ \u753b\u50cf\u5909\u63db\uff06\u51fa\u529b\r\nfunction resize_img( $fpath, $w ){\r\n\r\n  \/\/ \u753b\u50cf\u60c5\u5831\u3092\u53d6\u5f97\r\n  $ary_info = getimagesize( $fpath );\r\n  if($ary_info === FALSE){\r\n    goto tagEND;\r\n  }\r\n  $img_w    = $ary_info[0];\r\n  $img_h    = $ary_info[1];\r\n  $img_type = $ary_info[2];\r\n\r\n  \/\/ \u753b\u50cf\u30b5\u30a4\u30ba\u30c1\u30a7\u30c3\u30af\r\n  if(($img_w > 1000) || ($img_h > 1000)){\r\n    goto tagEND;\r\n  }\r\n  if(($img_w < 20) || ($img_h < 20)){\r\n    goto tagEND;\r\n  }\r\n\r\n  \/\/ \u753b\u50cf\u51e6\u7406\u3092\u9078\u629e\r\n  $func_create  = NULL;\r\n  $func_display = NULL;\r\n  switch( $img_type ){\r\n  case IMAGETYPE_JPEG:\r\n    $func_create  = "imagecreatefromjpeg";\r\n    $func_display = "imagejpeg";\r\n    break;\r\n  case IMAGETYPE_PNG:\r\n    $func_create  = "imagecreatefrompng";\r\n    $func_display = "imagepng";\r\n    break;\r\n  case IMAGETYPE_GIF:\r\n    $func_create  = "imagecreatefromgif";\r\n    $func_display = "imagegif";\r\n    break;\r\n  default:\r\n    break;\r\n  }\r\n  if($func_create === NULL){\r\n    goto tagEND;\r\n  }\r\n\r\n  \/\/ \u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\r\n  $im_in  = $func_create( $fpath );\r\n  $dst_w = $w;\r\n  $dst_h = max(intval($img_h * $w \/ $img_w), 1);\r\n  $im_out = imagecreatetruecolor($dst_w, $dst_h);\r\n  imagecopyresampled($im_out, $im_in, 0, 0, 0, 0, $dst_w, $dst_h, $img_w, $img_h);\r\n\r\n  \/\/ HTTP\u5fdc\u7b54\u3068\u3057\u3066\u753b\u50cf\u3092\u51fa\u529b\r\n  $mime_type = image_type_to_mime_type( $img_type );\r\n  header("Content-Type: ".$mime_type);\r\n  $func_display( $im_out );\r\n  imagedestroy( $im_in );\r\n  imagedestroy( $im_out );\r\ntagEND:\r\n}\r\n?>\r\n<\/pre>\n
\u3000
\n\u5b9f\u884c\u30b5\u30f3\u30d7\u30eb\u306f\u3053\u3061\u3089\u3067\u3059\u3002
\n\/\/www.dogrow.net\/php\/sample\/00010\/<\/a><\/p>\n
\n","protected":false},"excerpt":{"rendered":"
\u3084\u3063\u3066\u307f\u305f\u3044\u3053\u3068 \u4efb\u610f\u306eJPEG\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092WEB\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u6307\u5b9a\u30b5\u30a4\u30ba\u306b\u62e1\u5927\u30fb\u7e2e\u5c0f\u3057\u3066WEB\u30d6\u30e9\u30a6\u30b6\u306b\u8868\u793a\u3059\u308b\u3002 ImageMagick\u3067\u306f\u306a\u304f GD\u3092\u4f7f\u7528\u3059\u308b\u3002 \u3000\u2193 \u3000 \u5b9f\u884c\u30b5\u30f3\u30d7\u30eb\u306f\u3053\u3061\u3089\u3067\u3059\u3002\u2026 \u7d9a\u304d\u3092\u8aad\u3080 »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,5,2],"tags":[],"class_list":["post-130","post","type-post","status-publish","format-standard","hentry","category-gd","category-5","category-2"],"views":3511,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts\/130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/comments?post=130"}],"version-history":[{"count":15,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts\/130\/revisions"}],"predecessor-version":[{"id":791,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts\/130\/revisions\/791"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/media?parent=130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/categories?post=130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/tags?post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}