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<?php
include_once dirname(__FILE__) . "/tidypics.php";
function td_get_exif(Elggfile $file) {
$my_file = str_replace("image", "", tp_get_img_dir()) . $file->getFilename();
$exif = exif_read_data($my_file);
create_metadata($file->getGUID(), "tp_exif", serialize($exif), "string", $file->getObjectOwnerGUID(), 2);
}
function tp_exif_formatted($file_guid) {
$metadata_exif = get_metadata_byname($file_guid, "tp_exif");
if($metadata_exif) {
$exif = unserialize($metadata_exif["value"]);
//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']);
$Fnumber = $Fnumber[0] / $Fnumber[1];
$Focal = explode("/", $exif['FocalLength']);
$Focal = $Focal[0] / $Focal[1];
//prepare the text for return
$exif_text = "Model: ".$exif['Model']."<br>";
$exif_text .= "Shutter: ".$exif['ExposureTime']."<br>";
$exif_text .= "Aperture: f/".$Fnumber."<br>";
$exif_text .= "ISO Speed: ".$exif['ISOSpeedRatings']."<br>";
$exif_text .= "Focal Length: ".round($Focal)."mm<br>";
$exif_text .= "Captured: ". $exif['DateTime'];
return "<tr><td>$exif_text</td></tr>";
} else {
return false;
}
}
?>
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