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<?php |
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/* |
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* This file is part of the 2amigos/qrcode-library project. |
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* |
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* (c) 2amigOS! <http://2amigos.us/> |
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* |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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namespace Da\QrCode\Writer; |
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use BaconQrCode\Renderer\Image\Eps; |
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use BaconQrCode\Writer; |
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use Da\QrCode\Contracts\QrCodeInterface; |
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class EpsWriter extends AbstractWriter |
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{ |
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/** |
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* EpsWriter constructor. |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(new Eps()); |
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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): string |
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{ |
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/** @var Eps $renderer */ |
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$renderer = $this->renderer; |
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$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 = $writer->writeString( |
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$qrCode->getText(), |
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$qrCode->getEncoding(), |
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$this->convertErrorCorrectionLevel($qrCode->getErrorCorrectionLevel()) |
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); |
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$string = $this->addMargin($string, $qrCode); |
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return $string; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getContentType(): string |
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{ |
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return 'image/eps'; |
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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 $string, QrCodeInterface $qrCode): string |
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{ |
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$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('#\d+ \d+ \d+ \d+ F#i', $line) && strpos( |
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$line, |
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$qrCode->getSize() . ' ' . $qrCode->getSize() . ' F' |
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) === false) { |
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$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() / $blockCount; |
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$newLines =[]; |
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foreach ($lines as $line) { |
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if (strpos($line, 'BoundingBox') !== false) { |
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$newLines[] = '%%BoundingBox: 0 0 ' . $targetSize . ' ' . $targetSize; |
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} elseif (strpos($line, $qrCode->getSize() . ' ' . $qrCode->getSize() . ' F') !== false) { |
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$newLines[] = '0 0 ' . $targetSize . ' ' . $targetSize . ' F'; |
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} elseif (preg_match('#\d+ \d+ \d+ \d+ + F#i', $line)) { |
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$parts = explode(' ', $line); |
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$parts[0] = $qrCode->getMargin( |
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) + $targetBlockSize * ($parts[0] - $additionalWhitespace) / $sourceBlockSize; |
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$parts[1] = $qrCode->getMargin( |
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) + $targetBlockSize * ($parts[1] - $sourceBlockSize - $additionalWhitespace) / $sourceBlockSize; |
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$parts[2] = $targetBlockSize; |
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$parts[3] = $targetBlockSize; |
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$newLines[] = implode(' ', $parts); |
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} |
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} |
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$string = implode("\n", $newLines); |
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return $string; |
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} |
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} |
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2amigos /
qrcode-library
