{"id":5146,"date":"2016-11-12T00:00:21","date_gmt":"2016-11-11T15:00:21","guid":{"rendered":"http:\/\/www.a-legend.net\/wordpress\/?p=5146"},"modified":"2026-05-03T22:07:01","modified_gmt":"2026-05-03T13:07:01","slug":"tips-%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3%e3%80%8eimage-watermark%e3%80%8f%ef%bc%88wordpress%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.a-legend.net\/?p=5146","title":{"rendered":"[Tips] \u30d7\u30e9\u30b0\u30a4\u30f3\u300eImage Watermark\u300f\uff08WordPress\uff09"},"content":{"rendered":"

\u4eca\u56de\u306f\u4ee5\u4e0b\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u300eImage Watermark\u300f<\/p>\n

\u30a2\u30c3\u30d7\u3059\u308b\u30a4\u30e9\u30b9\u30c8\u306b\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3092\u5165\u308c\u305f\u304f\u3066\u8272\u3005\u8a66\u3057\u305f\u7d50\u679c\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u305f\u3069\u308a\u7740\u304d\u307e\u3057\u305f\u3002
\n\u8272\u3005\u8abf\u3079\u308b\u3068\u307b\u304b\u306b\u300cEasy WaterMark<\/a>\u300d\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u3053\u308c\u306b\u843d\u3061\u7740\u304d\u307e\u3057\u305f\u3002
\n\u6c7a\u3081\u624b\u306f\u753b\u50cf\u3092\u57cb\u3081\u8fbc\u3080\u3068\u304d\u306bPNG24\u306e\u900f\u904e\u30d5\u30a1\u30a4\u30eb\u304c\u4f7f\u7528\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u304b\u306d\u3002<\/p>\n

\u4ed6\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3060\u30688bit\u307e\u3067\u306a\u306e\u3067\u3001\u306a\u3093\u304b\u30ae\u30b6\u30ae\u30b6\u306b\u306a\u308b\u3093\u3067\u3059\u3088\u306d\u3002
\n\u306a\u306e\u3067\u300124bit\u307e\u3067\u4f7f\u3048\u308b\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u5e33\u7968\u3057\u307e\u3059\u3002<\/p>\n

\u4e00\u3064\u4ed6\u3068\u8db3\u308a\u306a\u3044\u306e\u304c\u6587\u5b57\u304c\u6253\u3066\u306a\u3044\u3068\u3053\u308d\u3067\u3057\u3087\u3046\u304b\u306d\u3002
\n\u307e\u3041\u3001\u305d\u3053\u306f\u767b\u9332\u3059\u308b\u753b\u50cf\u81ea\u4f53\u306b\u6587\u5b57\u3092\u6253\u3061\u8fbc\u3081\u3070\u3044\u3044\u3093\u3067\u3059\u3051\u3069\u306d( \uff9f\u0414\uff9f)<\/p>\n

\"Image<\/a>
Image Water \u8a2d\u5b9a\u753b\u9762<\/figcaption><\/figure>\n

\uff12\u304b\u6240\u4fee\u6b63
\n\uff11\uff0e\u4e00\u5ea6\u4ed8\u4e0e\u3057\u305f\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3092\u5916\u3057\u305f\u5f8c\u306b\u518d\u5ea6\u8ffd\u52a0\u3057\u305f\u5834\u5408\u3001\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u5909\u66f4\u3067\u304d\u306a\u3044\u90e8\u5206\u3092\u4fee\u6b63
\n\u203bupdate\u304b\u3089delete\u306b\u5909\u66f4
\n
\n\t\t\t\/\/ Update attachment metadata with new metadata
\n\t\t\twp_update_attachment_metadata( $attachment_id, $metadata );<\/p>\n

\t\t\t\/\/ Update watermark status
\n\t\t\t\/\/update_post_meta( $attachment_id, $this->is_watermarked_metakey, false );
\n\t\t\tdelete_post_meta( $attachment_id, $this->is_watermarked_metakey, false );<\/p>\n

\t\t\t\/\/ Return the attachment metadata
\n\t\t\treturn wp_get_attachment_metadata( $attachment_id );
\n<\/code><\/p>\n

\n\uff12\uff0e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d5\u30a9\u30eb\u30c0\u3092\u5909\u66f4
\n\u203b\u300ciw-backup\u300d\u90e8\u5206\u3092\u5909\u66f4
\n
\n\t\t\/\/ filters
\n\t\tadd_filter( 'plugin_row_meta', array( $this, 'plugin_extend_links' ), 10, 2 );
\n\t\tadd_filter( 'plugin_action_links', array( $this, 'plugin_settings_link' ), 10, 2 );
\n\t\tadd_filter( 'wp_handle_upload', array( $this, 'handle_upload_files' ) );
\n\t\tadd_filter( 'attachment_fields_to_edit', array( $this, 'attachment_fields_to_edit' ), 10, 2 );<\/p>\n

\t\t\/\/ Define our backup location
\n\t\t$upload_dir = wp_upload_dir();
\n\t\tdefine( 'IMAGE_WATERMARK_BACKUP_DIR', apply_filters( 'image_watermark_backup_dir', $upload_dir['basedir'] . DIRECTORY_SEPARATOR . 'iw-backup' ) );<\/p>\n

\t\t\/\/ create backup folder and security if enabled
\n\t\tif ( $this->options['backup']['backup_image'] ) {<\/p>\n

\t\t\tif ( is_writable( $upload_dir['basedir'] ) ) {
\n\t\t\t\t$this->is_backup_folder_writable = true;
\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4eca\u56de\u306f\u4ee5\u4e0b\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002
\n\u300eImage Watermark\u300f<\/p>\n","protected":false},"author":2,"featured_media":2741,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[6,11],"tags":[66,63],"class_list":["post-5146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","category-wordpress","tag-tips","tag-wordpress"],"_links":{"self":[{"href":"https:\/\/www.a-legend.net\/index.php?rest_route=\/wp\/v2\/posts\/5146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.a-legend.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.a-legend.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.a-legend.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.a-legend.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5146"}],"version-history":[{"count":1,"href":"https:\/\/www.a-legend.net\/index.php?rest_route=\/wp\/v2\/posts\/5146\/revisions"}],"predecessor-version":[{"id":20245,"href":"https:\/\/www.a-legend.net\/index.php?rest_route=\/wp\/v2\/posts\/5146\/revisions\/20245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.a-legend.net\/index.php?rest_route=\/wp\/v2\/media\/2741"}],"wp:attachment":[{"href":"https:\/\/www.a-legend.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.a-legend.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.a-legend.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}