<?php declare(strict_types=1); namespace Endroid\QrCode\Writer; use Endroid\QrCode\Label\LabelInterface; use Endroid\QrCode\Logo\LogoInterface; use Endroid\QrCode\QrCodeInterface; use Endroid\QrCode\Writer\Result\GdResult; use Endroid\QrCode\Writer\Result\PngResult; use Endroid\QrCode\Writer\Result\ResultInterface; final class PngWriter extends AbstractGdWriter { public const WRITER_OPTION_COMPRESSION_LEVEL = 'compression_level'; public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface { if (!isset($options[self::WRITER_OPTION_COMPRESSION_LEVEL])) { $options[self::WRITER_OPTION_COMPRESSION_LEVEL] = -1; } /** @var GdResult $gdResult */ $gdResult = parent::write($qrCode, $logo, $label, $options); return new PngResult($gdResult->getMatrix(), $gdResult->getImage(), $options[self::WRITER_OPTION_COMPRESSION_LEVEL]); } }