/**
* rotate an imagick object based on it's exif data.
*
* @param imagick $image an instance of imagick
* @return void
*/
protected function _exifRotateImagick($image)
{
$orientation = $image->getImageOrientation();
$trans = $this->_exifOrientationTransformations($orientation);
if ($trans['flip_vert']) {
$image->flopImage();
}
if ($trans['flip_horz']) {
$image->flipImage();
}
if ($trans['rotate_clockwise']) {
$image->rotateimage("#000", $trans['rotate_clockwise']);
}
$image->setImageOrientation(imagick::ORIENTATION_TOPLEFT);
}