'; */
/* echo '$rotate_hd = '.var_export($rotate_hd, true).'
'; */
/* echo '$angle = '.var_export($angle, true).'
'; */
global $conf;
$query='
SELECT
id,
path,
representative_ext,
rotation
FROM '.IMAGES_TABLE.'
WHERE id = '.$image_id.'
;';
$row = pwg_db_fetch_assoc(pwg_query($query));
if ($row == null)
{
return false;
}
$base_angle = pwg_image::get_rotation_angle_from_code($row['rotation']);
if ($rotate_hd) {
if ('auto' == $angle) {
$angle = pwg_image::get_rotation_angle($row['path']);
$rotation_code = 0;
}
else {
// the angle is based on what the user sees (the thumbnail) and not on
// the original, which may have a different angle
$angle = ($base_angle + $angle) % 360;
// the derivatives must not be rotated
$rotation_code = 4;
}
if (isset($conf['rotate_image_jpegtran']) and $conf['rotate_image_jpegtran']) {
$angle = ($angle + 180) % 360;
$command = 'jpegtran -copy all -rotate '.$angle.' -outfile '.$row['path'].' '.$row['path'];
exec($command);
}
else {
$image = new pwg_image($row['path']);
$image->set_compression_quality(98);
$image->rotate($angle);
$image->write($row['path']);
}
$conf['use_exif'] = false;
$conf['use_iptc'] = false;
sync_metadata(array($row['id']));
single_update(
IMAGES_TABLE,
array('rotation' => $rotation_code),
array('id' => $row['id'])
);
}
elseif ('auto' != $angle) {
$angle = ($base_angle + $angle) % 360;
$rotation_code = pwg_image::get_rotation_code_from_angle($angle);
// to show that it's a manual rotation, we use 4,5,6,7 instead of 0,1,2,3
$rotation_code+= 4;
single_update(
IMAGES_TABLE,
array('rotation' => $rotation_code),
array('id' => $row['id'])
);
}
delete_element_derivatives($row);
}
?>