mirror of
https://github.com/chillerlan/php-qrcode.git
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smiley
140 lines
3.1 KiB
PHP
140 lines
3.1 KiB
PHP
<?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 <smiley@chillerlan.net>
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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 Imagick, ImagickDraw, ImagickPixel;
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use function extension_loaded, is_string;
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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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protected Imagick $imagick;
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protected ImagickDraw $imagickDraw;
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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 $matrix){
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if(!extension_loaded('imagick')){
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throw new QRCodeOutputException('ext-imagick not loaded'); // @codeCoverageIgnore
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}
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parent::__construct($options, $matrix);
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}
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/**
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* @inheritDoc
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*/
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protected function moduleValueIsValid($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 $isDark):ImagickPixel{
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return new ImagickPixel($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 $file = null){
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$file ??= $this->options->cachefile;
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$this->imagick = new Imagick;
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$this->imagick->newImage(
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$this->length,
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$this->length,
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new ImagickPixel($this->options->imagickBG ?? 'transparent'),
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$this->options->imagickFormat
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);
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$this->imagick->setImageType(Imagick::IMGTYPE_TRUECOLOR);
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$this->drawImage();
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if($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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if($file !== null){
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$this->saveToFile($imageData, $file);
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}
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return $imageData;
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}
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/**
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* Creates the QR image via ImagickDraw
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*/
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protected function drawImage():void{
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$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 $M_TYPE):void{
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$this->imagickDraw->setFillColor($this->moduleValues[$M_TYPE]);
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$this->options->drawCircularModules && $this->matrix->checkTypeNotIn($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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