49 lines
1.7 KiB
PHP
49 lines
1.7 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
|
|
/**
|
|
* Gallery - a web based photo album viewer and editor
|
|
* Copyright (C) 2000-2010 Bharat Mediratta
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
class autorotate {
|
|
static function rotate_item($item) {
|
|
// Only try to rotate photos based on EXIF
|
|
if ($item->is_photo() && $item->mime_type == "image/jpeg") {
|
|
require_once(MODPATH . "exif/lib/exif.php");
|
|
$exif_raw = read_exif_data_raw($item->file_path(), false);
|
|
if (isset($exif_raw['ValidEXIFData'])) {
|
|
$orientation = $exif_raw["IFD0"]["Orientation"];
|
|
$degrees = 0;
|
|
if ($orientation == '3: Upside-down') {
|
|
$degrees = 180;
|
|
}
|
|
else if ($orientation == '8: 90 deg CW') {
|
|
$degrees = -90;
|
|
}
|
|
else if ($orientation == '6: 90 deg CCW') {
|
|
$degrees = 90;
|
|
}
|
|
if($degrees) {
|
|
$tmpfile = tempnam(TMPPATH, "rotate");
|
|
gallery_graphics::rotate($item->file_path(), $tmpfile, array("degrees" => $degrees));
|
|
$item->set_data_file($tmpfile);
|
|
$item->save();
|
|
unlink($tmpfile);
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
} |