/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$copy = $canvas->getCopy();
// convert copy to black and white
$baw = new BlackAndWhite();
$baw->apply($copy);
// overlay the canvas with the black and white copy
$overlay = new Overlay($copy, $this->getLevel());
$overlay->apply($canvas);
$copy->destroy();
}
/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$copy = $canvas->getCopy();
$this->isInvert() ? $this->getAction()->apply($canvas) : $this->getAction()->apply($copy);
// do the magic
$canvas->paste($copy, $this->getBox(), $this->getBox());
// destroy the copy
$copy->destroy();
}
/**
* {@inheritdoc}
*/
public function fromCanvas(CanvasInterface $canvas)
{
$copy = $canvas->getCopy();
$this->forceDestory();
$this->setHandler($copy->getHandler());
return $this;
}
