99 lines
3.1 KiB
PHP
99 lines
3.1 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\Eps;
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use BaconQrCode\Writer;
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use Endroid\QrCode\QrCodeInterface;
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class EpsWriter 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 Eps();
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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);
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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 QrCodeInterface $qrCode
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*
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* @return string
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*/
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protected function addMargin($string, QrCodeInterface $qrCode)
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{
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$targetSize = $qrCode->getSize() + $qrCode->getMargin() * 2;
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$lines = explode("\n", $string);
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$sourceBlockSize = 0;
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$additionalWhitespace = $qrCode->getSize();
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foreach ($lines as $line) {
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if (preg_match('#[0-9]+ [0-9]+ [0-9]+ [0-9]+ F#i', $line) && false === strpos($line, $qrCode->getSize().' '.$qrCode->getSize().' F')) {
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$parts = explode(' ', $line);
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$sourceBlockSize = $parts[2];
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$additionalWhitespace = min($additionalWhitespace, $parts[0]);
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}
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}
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$blockCount = ($qrCode->getSize() - 2 * $additionalWhitespace) / $sourceBlockSize;
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$targetBlockSize = $qrCode->getSize() / $blockCount;
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foreach ($lines as &$line) {
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if (false !== strpos($line, 'BoundingBox')) {
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$line = '%%BoundingBox: 0 0 '.$targetSize.' '.$targetSize;
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} elseif (false !== strpos($line, $qrCode->getSize().' '.$qrCode->getSize().' F')) {
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$line = '0 0 '.$targetSize.' '.$targetSize.' F';
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} elseif (preg_match('#[0-9]+ [0-9]+ [0-9]+ [0-9]+ F#i', $line)) {
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$parts = explode(' ', $line);
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$parts[0] = $qrCode->getMargin() + $targetBlockSize * ($parts[0] - $additionalWhitespace) / $sourceBlockSize;
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$parts[1] = $qrCode->getMargin() + $targetBlockSize * ($parts[1] - $sourceBlockSize - $additionalWhitespace) / $sourceBlockSize;
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$parts[2] = $targetBlockSize;
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$parts[3] = $targetBlockSize;
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$line = implode(' ', $parts);
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}
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}
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$string = implode("\n", $lines);
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return $string;
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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/eps';
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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 ['eps'];
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}
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}
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