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<?php |
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/** |
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* Class QROutputAbstract |
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* |
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* @filesource QROutputAbstract.php |
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* @created 09.12.2015 |
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* @package chillerlan\QRCode\Output |
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* @author Smiley <[email protected]> |
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* @copyright 2015 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\QRCode\Output; |
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use chillerlan\QRCode\{Data\QRMatrix, QRCode}; |
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use chillerlan\Settings\SettingsContainerInterface; |
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use function call_user_func, dirname, file_put_contents, get_called_class, in_array, is_writable, sprintf; |
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/** |
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* common output abstract |
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*/ |
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abstract class QROutputAbstract implements QROutputInterface{ |
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/** |
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* the current size of the QR matrix |
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* |
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* @see \chillerlan\QRCode\Data\QRMatrix::size() |
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*/ |
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protected int $moduleCount; |
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/** |
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* the current output mode |
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* |
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* @see \chillerlan\QRCode\QROptions::$outputType |
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*/ |
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protected string $outputMode; |
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/** |
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* the default output mode of the current output module |
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*/ |
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protected string $defaultMode; |
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/** |
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* the current scaling for a QR pixel |
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* |
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* @see \chillerlan\QRCode\QROptions::$scale |
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*/ |
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protected int $scale; |
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/** |
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* the side length of the QR image (modules * scale) |
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*/ |
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protected int $length; |
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/** |
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* an (optional) array of color values for the several QR matrix parts |
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*/ |
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protected array $moduleValues; |
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/** |
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* the (filled) data matrix object |
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*/ |
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protected QRMatrix $matrix; |
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/** |
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* @var \chillerlan\Settings\SettingsContainerInterface|\chillerlan\QRCode\QROptions |
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*/ |
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protected SettingsContainerInterface $options; |
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/** |
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* QROutputAbstract constructor. |
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*/ |
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public function __construct(SettingsContainerInterface $options, QRMatrix $matrix){ |
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$this->options = $options; |
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$this->matrix = $matrix; |
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$this->moduleCount = $this->matrix->size(); |
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$this->scale = $this->options->scale; |
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$this->length = $this->moduleCount * $this->scale; |
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$class = get_called_class(); |
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if(isset(QRCode::OUTPUT_MODES[$class]) && in_array($this->options->outputType, QRCode::OUTPUT_MODES[$class])){ |
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$this->outputMode = $this->options->outputType; |
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} |
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$this->setModuleValues(); |
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} |
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/** |
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* Sets the initial module values (clean-up & defaults) |
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*/ |
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abstract protected function setModuleValues():void; |
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/** |
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* saves the qr data to a file |
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* |
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* @see file_put_contents() |
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* @see \chillerlan\QRCode\QROptions::cachefile |
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* |
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* @throws \chillerlan\QRCode\Output\QRCodeOutputException |
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*/ |
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protected function saveToFile(string $data, string $file):bool{ |
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if(!is_writable(dirname($file))){ |
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throw new QRCodeOutputException(sprintf('Could not write data to cache file: %s', $file)); |
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} |
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return (bool)file_put_contents($file, $data); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function dump(string $file = null){ |
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// call the built-in output method |
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$data = call_user_func([$this, $this->outputMode ?? $this->defaultMode]); |
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$file ??= $this->options->cachefile; |
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if($file !== null){ |
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$this->saveToFile($data, $file); |
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} |
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return $data; |
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} |
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} |
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chillerlan /
php-qrcode
