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<?php |
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/** |
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* Class QRImagick |
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* |
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* @created 04.07.2018 |
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* @author smiley <[email protected]> |
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* @copyright 2018 smiley |
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* @license MIT |
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* |
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* @noinspection PhpComposerExtensionStubsInspection |
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*/ |
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namespace chillerlan\QRCode\Output; |
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use chillerlan\QRCode\Data\QRMatrix; |
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use chillerlan\Settings\SettingsContainerInterface; |
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use finfo, Imagick, ImagickDraw, ImagickPixel; |
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use function extension_loaded, is_string; |
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use const FILEINFO_MIME_TYPE; |
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/** |
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* ImageMagick output module (requires ext-imagick) |
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* |
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* @see http://php.net/manual/book.imagick.php |
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* @see http://phpimagick.com |
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*/ |
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class QRImagick extends QROutputAbstract{ |
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/** |
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* The main image instance |
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*/ |
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protected Imagick $imagick; |
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/** |
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* The main draw instance |
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*/ |
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protected ImagickDraw $imagickDraw; |
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/** |
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* The allocated background color |
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*/ |
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protected ImagickPixel $background; |
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/** |
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* @inheritDoc |
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* |
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* @throws \chillerlan\QRCode\Output\QRCodeOutputException |
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*/ |
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public function __construct(SettingsContainerInterface $options, QRMatrix $matrix){ |
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if(!extension_loaded('imagick')){ |
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throw new QRCodeOutputException('ext-imagick not loaded'); // @codeCoverageIgnore |
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} |
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if(!extension_loaded('fileinfo')){ |
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throw new QRCodeOutputException('ext-fileinfo not loaded'); // @codeCoverageIgnore |
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} |
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parent::__construct($options, $matrix); |
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} |
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/** |
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* @todo: check/validate possible values |
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* @see https://www.php.net/manual/imagickpixel.construct.php |
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* @inheritDoc |
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*/ |
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protected function moduleValueIsValid($value):bool{ |
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return is_string($value); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function getModuleValue($value):ImagickPixel{ |
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return new ImagickPixel($value); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function getDefaultModuleValue(bool $isDark):ImagickPixel{ |
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return $this->getModuleValue(($isDark) ? $this->options->markupDark : $this->options->markupLight); |
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} |
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/** |
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* @inheritDoc |
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* |
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* @return string|\Imagick |
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*/ |
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public function dump(string $file = null){ |
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$this->imagick = new Imagick; |
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$this->setBgColor(); |
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$this->imagick->newImage($this->length, $this->length, $this->background, $this->options->imagickFormat); |
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$this->drawImage(); |
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// set transparency color after all operations |
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$this->setTransparencyColor(); |
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if($this->options->returnResource){ |
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return $this->imagick; |
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} |
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$imageData = $this->imagick->getImageBlob(); |
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$this->imagick->destroy(); |
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$this->saveToFile($imageData, $file); |
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if($this->options->imageBase64){ |
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$imageData = $this->toBase64DataURI($imageData, (new finfo(FILEINFO_MIME_TYPE))->buffer($imageData)); |
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} |
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return $imageData; |
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} |
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/** |
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* Sets the background color |
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*/ |
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protected function setBgColor():void{ |
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if(isset($this->background)){ |
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return; |
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} |
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if($this->moduleValueIsValid($this->options->bgColor)){ |
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$this->background = $this->getModuleValue($this->options->bgColor); |
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return; |
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} |
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$this->background = $this->getModuleValue('white'); |
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} |
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/** |
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* Sets the transparency color |
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*/ |
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protected function setTransparencyColor():void{ |
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if(!$this->options->imageTransparent){ |
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return; |
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} |
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$transparencyColor = $this->background; |
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if($this->moduleValueIsValid($this->options->transparencyColor)){ |
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$transparencyColor = $this->getModuleValue($this->options->transparencyColor); |
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} |
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$this->imagick->transparentPaintImage($transparencyColor, 0.0, 10, false); |
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} |
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/** |
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* Creates the QR image via ImagickDraw |
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*/ |
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protected function drawImage():void{ |
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$this->imagickDraw = new ImagickDraw; |
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$this->imagickDraw->setStrokeWidth(0); |
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foreach($this->matrix->matrix() as $y => $row){ |
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foreach($row as $x => $M_TYPE){ |
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$this->setPixel($x, $y, $M_TYPE); |
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} |
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} |
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$this->imagick->drawImage($this->imagickDraw); |
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} |
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/** |
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* draws a single pixel at the given position |
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*/ |
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protected function setPixel(int $x, int $y, int $M_TYPE):void{ |
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if(!$this->options->drawLightModules && !$this->matrix->check($x, $y)){ |
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return; |
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} |
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$this->imagickDraw->setFillColor($this->moduleValues[$M_TYPE]); |
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$this->options->drawCircularModules && !$this->matrix->checkTypeIn($x, $y, $this->options->keepAsSquare) |
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? $this->imagickDraw->circle( |
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(($x + 0.5) * $this->scale), |
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(($y + 0.5) * $this->scale), |
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(($x + 0.5 + $this->options->circleRadius) * $this->scale), |
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(($y + 0.5) * $this->scale) |
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) |
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: $this->imagickDraw->rectangle( |
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($x * $this->scale), |
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($y * $this->scale), |
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(($x + 1) * $this->scale), |
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(($y + 1) * $this->scale) |
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); |
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} |
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} |
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chillerlan /
php-qrcode
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