private function _cached_required()
    {
        $image_info = getimagesize($this->source_file);
        
        if (($this->url_params['w'] == $image_info[0]) and ($this->url_params['h'] == $image_info[1])) {
            $this->serve_default = TRUE;
            return FALSE;
        }
        
        return TRUE;
    }
private function _cached_required()
    {
        $image_info = getimagesize($this->source_file);
        
        if (($this->url_params['w'] == $image_info[0]) and ($this->url_params['h'] == $image_info[1])) {
            $this->serve_default = TRUE;
            return FALSE;
        }
        
        return TRUE;
    }
private function _cached_required ( ) { $ image_info = getimagesize ( $ this -> source_file ) ; if ( ( $ this -> url_params [ 'w' ] == $ image_info [ 0 ] ) and ( $ this -> url_params [ 'h' ] == $ image_info [ 1 ] ) ) { $ this -> serve_default = TRUE ; return FALSE ; } return TRUE ; }
Checks that the param dimensions are are lower then current image dimensions

@return boolean
Checks that the param dimensions are are lower then current image dimensions