diff options
Diffstat (limited to 'lib/exif.php')
| -rw-r--r-- | lib/exif.php | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/lib/exif.php b/lib/exif.php deleted file mode 100644 index 81f5dd960..000000000 --- a/lib/exif.php +++ /dev/null @@ -1,79 +0,0 @@ -<?php - -function td_get_exif($file) { - - // catch for those who don't have exif module loaded - if (!is_callable('exif_read_data')) - return; - - $mime = $file->mimetype; - if ($mime != 'image/jpeg' && $mime != 'image/pjpeg') - return; - - $filename = $file->getFilenameOnFilestore(); - $exif = exif_read_data($filename); - create_metadata($file->getGUID(), "tp_exif", serialize($exif), "text", $file->getObjectOwnerGUID(), ACCESS_PUBLIC); -} - -function tp_exif_formatted($file_guid) { - - $metadata_exif = get_metadata_byname($file_guid, "tp_exif"); - if (!$metadata_exif) { //try to load it from the file if its not in the database - $file = new ElggFile($file_guid); - td_get_exif($file); - unset($file); - $metadata_exif = get_metadata_byname($file_guid, "tp_exif"); - } - - if (!$metadata_exif) { - return false; - } - - $exif = unserialize($metadata_exif["value"]); - - $model = $exif['Model']; - if(!$model) $model = "N/A"; - $exif_data['Model'] = $model; - - $exposure = $exif['ExposureTime']; - if (!$exposure) $exposure = "N/A"; - $exif_data['Shutter'] = $exposure; - - //got the code snippet below from http://www.zenphoto.org/support/topic.php?id=17 - //convert the raw values to understandible values - $Fnumber = explode("/", $exif['FNumber']); - if ($Fnumber[1] != 0) - $Fnumber = $Fnumber[0] / $Fnumber[1]; - else - $Fnumber = 0; - if (!$Fnumber) { - $Fnumber = "N/A"; - } else { - $Fnumber = "f/$Fnumber"; - } - $exif_data['Aperture'] = $Fnumber; - - $iso = $exif['ISOSpeedRatings']; - if (!$iso) $iso = "N/A"; - $exif_data['ISO Speed'] = $iso; - - $Focal = explode("/", $exif['FocalLength']); - if ($Focal[1] != 0) - $Focal = $Focal[0] / $Focal[1]; - else - $Focal = 0; - if (!$Focal || round($Focal) == "0") $Focal = 0; - if (round($Focal) == 0) { - $Focal = "N/A"; - } else { - $Focal = round($Focal) . "mm"; - } - $exif_data['Focal Length'] = $Focal; - - $captured = $exif['DateTime']; - if (!$captured) $captured = "N/A"; - $exif_data['Captured'] = $captured; - - return $exif_data; -} -?>
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