public function __construct($r1, $r2, $g1, $g2, $b1, $b2, $histo) { $this->r1 = $r1; $this->r2 = $r2; $this->g1 = $g1; $this->g2 = $g2; $this->b1 = $b1; $this->b2 = $b2; $this->histo = $histo; }