Identicon\Generator\ImageMagickGenerator::generateImage PHP Method

    private function generateImage()
    {
        $this->generatedImage = new \Imagick();
        $rgbBackgroundColor = $this->getBackgroundColor();
        if (null === $rgbBackgroundColor) {
            $background = 'none';
        } else {
            $background = new ImagickPixel("rgb({$rgbBackgroundColor['0']},{$rgbBackgroundColor['1']},{$rgbBackgroundColor['2']})");
        }
        $this->generatedImage->newImage($this->pixelRatio * 5, $this->pixelRatio * 5, $background, 'png');
        // prepare color
        $rgbColor = $this->getColor();
        $color = new ImagickPixel("rgb({$rgbColor['0']},{$rgbColor['1']},{$rgbColor['2']})");
        $draw = new ImagickDraw();
        $draw->setFillColor($color);
        // draw the content
        foreach ($this->getArrayOfSquare() as $lineKey => $lineValue) {
            foreach ($lineValue as $colKey => $colValue) {
                if (true === $colValue) {
                    $draw->rectangle($colKey * $this->pixelRatio, $lineKey * $this->pixelRatio, ($colKey + 1) * $this->pixelRatio, ($lineKey + 1) * $this->pixelRatio);
                }
            }
        }
        $this->generatedImage->drawImage($draw);
        return $this;
    }