Add SVG writer option for excluding width and height attributes

Author: endroid

src/Writer/SvgWriter.php

@@ -17,6 +17,7 @@ final class SvgWriter implements WriterInterface
     public const DECIMAL_PRECISION = 10;
     public const WRITER_OPTION_BLOCK_ID = 'block_id';
     public const WRITER_OPTION_EXCLUDE_XML_DECLARATION = 'exclude_xml_declaration';
+    public const WRITER_OPTION_EXCLUDE_SVG_WIDTH_AND_HEIGHT = 'exclude_svg_width_and_height';
     public const WRITER_OPTION_FORCE_XLINK_HREF = 'force_xlink_href';
 
     public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
@@ -29,13 +30,19 @@ public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, Label
             $options[self::WRITER_OPTION_EXCLUDE_XML_DECLARATION] = false;
         }
 
+        if (!isset($options[self::WRITER_OPTION_EXCLUDE_SVG_WIDTH_AND_HEIGHT])) {
+            $options[self::WRITER_OPTION_EXCLUDE_SVG_WIDTH_AND_HEIGHT] = false;
+        }
+
         $matrixFactory = new MatrixFactory();
         $matrix = $matrixFactory->create($qrCode);
 
         $xml = new \SimpleXMLElement('<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/>');
         $xml->addAttribute('version', '1.1');
-        $xml->addAttribute('width', $matrix->getOuterSize().'px');
-        $xml->addAttribute('height', $matrix->getOuterSize().'px');
+        if (!$options[self::WRITER_OPTION_EXCLUDE_SVG_WIDTH_AND_HEIGHT]) {
+            $xml->addAttribute('width', $matrix->getOuterSize().'px');
+            $xml->addAttribute('height', $matrix->getOuterSize().'px');
+        }
         $xml->addAttribute('viewBox', '0 0 '.$matrix->getOuterSize().' '.$matrix->getOuterSize());
         $xml->addChild('defs');