/**
* @inheritdoc
*/
protected function processFile($readFilePath)
{
return ImageHelper::grayscale($readFilePath);
}
/**
* @inheritdoc
*/
public function processFile($readFilePath)
{
return ImageHelper::watermark($readFilePath, $this->filename, [$this->x, $this->y]);
}
/**
* @inheritdoc
*/
protected function processFile($readFilePath)
{
return ImageHelper::thumbnail($readFilePath, $this->width, $this->height, $this->mode, $this->backgroundColor);
}
/**
* Restores [[ImageHelper::getImage()]]] value.
*/
protected function restoreImagine()
{
ImageHelper::setImagine($this->_oldImagine);
}