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Viewing / Editing File: QRImagick.php

<?php
/**
 * Class QRImagick
 *
 * @filesource   QRImagick.php
 * @created      04.07.2018
 * @package      chillerlan\QRCode\Output
 * @author       smiley <smiley@chillerlan.net>
 * @copyright    2018 smiley
 * @license      MIT
 *
 * @noinspection PhpComposerExtensionStubsInspection
 */

namespace chillerlan\QRCode\Output;

use chillerlan\QRCode\Data\QRMatrix;
use chillerlan\QRCode\QRCodeException;
use chillerlan\Settings\SettingsContainerInterface;
use Imagick, ImagickDraw, ImagickPixel;

use function extension_loaded, is_string;

/**
 * ImageMagick output module (requires ext-imagick)
 *
 * @see http://php.net/manual/book.imagick.php
 * @see http://phpimagick.com
 */
class QRImagick extends QROutputAbstract{

protected Imagick $imagick;

/**
	 * @inheritDoc
	 */
	public function __construct(SettingsContainerInterface $options, QRMatrix $matrix){

if(!extension_loaded('imagick')){
			throw new QRCodeException('ext-imagick not loaded'); // @codeCoverageIgnore
		}

parent::__construct($options, $matrix);
	}

/**
	 * @inheritDoc
	 */
	protected function setModuleValues():void{

foreach($this::DEFAULT_MODULE_VALUES as $type => $defaultValue){
			$v = $this->options->moduleValues[$type] ?? null;

if(!is_string($v)){
				$this->moduleValues[$type] = $defaultValue
					? new ImagickPixel($this->options->markupDark)
					: new ImagickPixel($this->options->markupLight);
			}
			else{
				$this->moduleValues[$type] = new ImagickPixel($v);
			}
		}
	}

/**
	 * @inheritDoc
	 *
	 * @return string|\Imagick
	 */
	public function dump(string $file = null){
		$file ??= $this->options->cachefile;
		$this->imagick = new Imagick;

$this->imagick->newImage(
			$this->length,
			$this->length,
			new ImagickPixel($this->options->imagickBG ?? 'transparent'),
			$this->options->imagickFormat
		);

$this->drawImage();

if($this->options->returnResource){
			return $this->imagick;
		}

$imageData = $this->imagick->getImageBlob();

if($file !== null){
			$this->saveToFile($imageData, $file);
		}

return $imageData;
	}

/**
	 * Creates the QR image via ImagickDraw
	 */
	protected function drawImage():void{
		$draw = new ImagickDraw;

foreach($this->matrix->matrix() as $y => $row){
			foreach($row as $x => $M_TYPE){
				$draw->setStrokeColor($this->moduleValues[$M_TYPE]);
				$draw->setFillColor($this->moduleValues[$M_TYPE]);
				$draw->rectangle(
					$x * $this->scale,
					$y * $this->scale,
					($x + 1) * $this->scale,
					($y + 1) * $this->scale
				);

}
		}

$this->imagick->drawImage($draw);
	}

}

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