61  * Handles the saving of image meta data
146  * Display the form to edit image meta data
664     if (str_starts_with($mime, 'image/')) {
666         if ($mime == 'image/gif' && $info[2] != 1) {
668         } elseif ($mime == 'image/jpeg' && $info[2] != 2) {
670         } elseif ($mime == 'image/png' && $info[2] != 3) {
803  * @param string $image filename of the current image
806 function media_tabs_details($image, $selected_tab = '')  argument
816     [, $mime] = mimetype($image);
817     if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) {
1007  * @param string     $image media id
1012 function media_tab_view($image, $ns, $auth = null, $rev = '')  argument
1017     if ($image && $auth >= AUTH_READ) {
1018         $mf = new MediaFile($image, $rev);
1020         media_preview_buttons($image, $auth, $rev);
1021         media_details($image, $auth, $rev, $mf->getMeta());
1032  * @param string     $image media id
1036 function media_tab_edit($image, $ns, $auth = null)  argument
1040     if ($image) {
1041         [, $mime] = mimetype($image);
1042         if ($mime == 'image/jpeg') media_metaform($image, $auth);
1051  * @param string     $image media id
1055 function media_tab_history($image, $ns, $auth = null)  argument
1063     if ($auth >= AUTH_READ && $image) {
1065             (new MediaDiff($image))->show(); //media_diff($image, $ns, $auth);
1068             (new MediaRevisions($image))->show($first);
1080  * @param string     $image media id
1084 function media_preview_buttons($image, $auth, $rev = '')  argument
1090     if ($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))) {
1094             'action' => media_managerURL(['delete' => $image], '&'),
1109             'action' => media_managerURL(['image' => $image, 'mediado' => 'update'], '&'),
1119 …if ($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev)))…
1123             'action' => media_managerURL(['image' => $image], '&'),
1139  * Returns the requested EXIF/IPTC tag from the image meta
1193  * @param string        $image image id
1196  * @param bool|JpegMeta $meta  image object, or create one if false
1198 function media_details($image, $auth, $rev = '', $meta = false)  argument
1202     if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev));
1221     $media_usage = (new MetadataSearch())->mediause($image, true);
1237  * @param string $image  image id
1244 function media_diff($image, $ns, $auth, $fromajax = false)  argument
1262  * Shows difference between two revisions of image
1266  * @param string $image
1274 function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax)  argument
1285  * @param string $image   image id
1293 function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type)  argument
1301  * @param string $image media id
1308 function media_restore($image, $rev, $auth)  argument
1312     $removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes')));
1313     if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false;
1314     if (!$rev || !file_exists(mediaFN($image, $rev))) return false;
1315     [, $imime, ] = mimetype($image);
1317         mediaFN($image, $rev),
1318         mediaFN($image),
1319         $image,
1449     $media_manager_params = ['tab_files', 'tab_details', 'image', 'ns', 'list', 'sort'];
1459         unset($gets['image']);
1494         $id = cleanID($INPUT->str('image'));
1710     // TODO: only deliver an image if it actually has a subtree...
1716  * Resizes or crop the given image to the given size
1759  * Resizes the given image to the given size
1775  * Center crops the given image to the wanted size
1797  * @param string  $id    id of the image
1861  * Download image files
1877     $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i';
1889     // check if it is really an image
2002     // create an image of the given filetype
2003     $image = false;
2006         $image = @imagecreatefromjpeg($from);
2009         $image = @imagecreatefrompng($from);
2012         $image = @imagecreatefromgif($from);
2014     if (!$image) return false;
2022         imagedestroy($image);
2035             $transcolorindex = @imagecolortransparent($image);
2037                 $transcolor = @imagecolorsforindex($image, $transcolorindex);
2058 … if (!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) {
2059             imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
2062         imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
2086     // destroy GD image resources
2087     imagedestroy($image);