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<?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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