Xes
73154ae174
Fuente: https://github.com/chamilo/chamilo-lms/releases/download/v1.11.40/chamilo-1.11.40.zip sha256: 1cf4bf2cc7bae1ef1a1eff643235db1d552f78ddf4b6dd1e2d2dac9868679439 Snapshot independiente (rama huerfana); diffable vs 1.11.38. vendor incluido.
93 lines
2.6 KiB
PHP
93 lines
2.6 KiB
PHP
<?php
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/*
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* (c) Jeroen van den Enden <info@endroid.nl>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace Endroid\QrCode\Writer;
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use BaconQrCode\Renderer\Image\Svg;
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use BaconQrCode\Writer;
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use Endroid\QrCode\QrCodeInterface;
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use SimpleXMLElement;
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class SvgWriter extends AbstractBaconWriter
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{
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/**
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* {@inheritdoc}
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*/
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public function writeString(QrCodeInterface $qrCode)
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{
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$renderer = new Svg();
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$renderer->setWidth($qrCode->getSize());
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$renderer->setHeight($qrCode->getSize());
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$renderer->setMargin(0);
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$renderer->setForegroundColor($this->convertColor($qrCode->getForegroundColor()));
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$renderer->setBackgroundColor($this->convertColor($qrCode->getBackgroundColor()));
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$writer = new Writer($renderer);
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$string = $writer->writeString($qrCode->getText(), $qrCode->getEncoding(), $this->convertErrorCorrectionLevel($qrCode->getErrorCorrectionLevel()));
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$string = $this->addMargin($string, $qrCode->getMargin(), $qrCode->getSize());
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return $string;
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}
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/**
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* @param string $string
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* @param int $margin
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* @param int $size
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*
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* @return string
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*/
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protected function addMargin($string, $margin, $size)
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{
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$targetSize = $size + $margin * 2;
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$xml = new SimpleXMLElement($string);
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$xml['width'] = $targetSize;
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$xml['height'] = $targetSize;
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$xml['viewBox'] = '0 0 '.$targetSize.' '.$targetSize;
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$xml->rect['width'] = $targetSize;
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$xml->rect['height'] = $targetSize;
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$additionalWhitespace = $targetSize;
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foreach ($xml->use as $block) {
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$additionalWhitespace = min($additionalWhitespace, (int) $block['x']);
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}
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$sourceBlockSize = (int) $xml->defs->rect['width'];
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$blockCount = ($size - 2 * $additionalWhitespace) / $sourceBlockSize;
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$targetBlockSize = $size / $blockCount;
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$xml->defs->rect['width'] = $targetBlockSize;
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$xml->defs->rect['height'] = $targetBlockSize;
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foreach ($xml->use as $block) {
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$block['x'] = $margin + $targetBlockSize * ($block['x'] - $additionalWhitespace) / $sourceBlockSize;
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$block['y'] = $margin + $targetBlockSize * ($block['y'] - $additionalWhitespace) / $sourceBlockSize;
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}
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return $xml->asXML();
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}
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/**
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* {@inheritdoc}
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*/
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public static function getContentType()
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{
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return 'image/svg+xml';
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}
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/**
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* {@inheritdoc}
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*/
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public static function getSupportedExtensions()
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{
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return ['svg'];
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}
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}
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