public function createThumbnail($width, $height, $prefix = 'thumb_') {
	 	return $this->imageProcessor->createThumbnail($width, $height, $prefix);
	 }
public function createThumbnail($width, $height, $prefix = 'thumb_') {
	 	return $this->imageProcessor->createThumbnail($width, $height, $prefix);
	 }
public function createThumbnail ( $ width , $ height , $ prefix = 'thumb_' ) { return $ this -> imageProcessor -> createThumbnail ( $ width , $ height , $ prefix ) ; }
Create a thumbnail in same directory as original image.

@param integer $width
@param integer $height
@param string $prefix
@return string - filename of created thumbnail.
@throws Exception
Create a thumbnail in same directory as original image .