Metzli PngRenderer rewritten with Imagick in PHP to generate Aztec Code

MetzliRenderer.php

<?php
    // MetzzliRenderer
    // Part of MUNPANEL System (https://www.munpanel.com/)
    // Under Apache 2.0 License
    // By Adam Yi

    use \Imagick;
    use \ImagickDraw;
    use Metzli\Encoder\Encoder;
    use Metzli\Encoder\AztecCode;

    /**
    * Render AztecCode Class to Imagick class
    * @param $code An AztecCode class instance containing the matrix of the code
    * @param $sizeX The width of the aztec code image
    * @param $sizeY The height of the aztec code image
    * @return An Imagick instance of the aztec code
    */
    private function render(AztecCode $code, $sizeX, $sizeY) // Rewritten according to Metzli\Renderer\PngRenderer, by Adam Yi
    {
        $matrix = $code->getMatrix();
        $factorX = $sizeX / $matrix->getWidth();
        $factorY = $sizeY / $matrix->getHeight();
        $img = new Imagick();
        $img->newImage($sizeX, $sizeY, 'transparent');
        $img->setImageFormat("png");
        //$img->setImageColorspace (imagick::COLORSPACE_CMYK);
        $draw = new ImagickDraw();
        $draw->setFillColor('#000000');
        for ($x = 0; $x < $matrix->getWidth(); $x++) {
            for ($y = 0; $y < $matrix->getHeight(); $y++) {
                if ($matrix->get($x, $y)) {
                    $draw->rectangle($x * $factorX, $y * $factorY, (($x + 1) * $factorX ), (($y + 1) * $factorY ));
                    // We don't know why Metzli minuses one here, but it seems great if we don't.
                    //imagefilledrectangle($im, $x * $f, $y * $f, (($x + 1) * $f - 1), (($y + 1) * $f - 1), $fg);
                }
            }
        }
        $img->drawImage($draw);
        return $img;
    }
?>