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<?php
namespace Conlect\ImageIIIF\Filters;
use Intervention\Image\Interfaces\ImageInterface;
use Intervention\Image\Interfaces\ModifierInterface;
class RotationFilter implements ModifierInterface
{
private $rotation;
/**
* Creates new instance of filter
*
*/
public function __construct($rotation)
$this->rotation = $rotation;
}
* Applies filter effects to given image
* @param ImageInterface $image
* @return ImageInterface
public function apply(ImageInterface $image): ImageInterface
// transparent background if possible
$mirror = strpos($this->rotation, '!') === false ? false : true;
$rotation = $mirror ? substr($this->rotation, 1) : $this->rotation;
if ($mirror) {
$image->flop();
return $image->rotate(-$rotation);
conlect /
image-iiif
