mirror of
https://github.com/chillerlan/php-qrcode.git
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smiley
55 lines
1.4 KiB
PHP
55 lines
1.4 KiB
PHP
<?php
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/**
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* Class QRSvgWithLogo
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*
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* @created 05.03.2022
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* @author smiley <smiley@chillerlan.net>
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* @copyright 2022 smiley
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* @license MIT
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*/
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namespace chillerlan\QRCodeExamples;
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use chillerlan\QRCode\Output\QRMarkupSVG;
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use function ceil, file_get_contents, sprintf;
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/**
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* Create SVG QR Codes with embedded logos (that are also SVG)
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*/
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class QRSvgWithLogo extends QRMarkupSVG{
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/**
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* @inheritDoc
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*/
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protected function paths():string{
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$size = (int)ceil($this->moduleCount * $this->options->svgLogoScale);
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// we're calling QRMatrix::setLogoSpace() manually, so QROptions::$addLogoSpace has no effect here
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$this->matrix->setLogoSpace($size, $size);
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$svg = parent::paths();
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$svg .= $this->getLogo();
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return $svg;
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}
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/**
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* returns a <g> element that contains the SVG logo and positions it properly within the QR Code
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*
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* @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/g
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* @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/transform
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*/
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protected function getLogo():string{
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// @todo: customize the <g> element to your liking (css class, style...)
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return sprintf(
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'%5$s<g transform="translate(%1$s %1$s) scale(%2$s)" class="%3$s">%5$s %4$s%5$s</g>',
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($this->moduleCount - ($this->moduleCount * $this->options->svgLogoScale)) / 2,
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$this->options->svgLogoScale,
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$this->options->svgLogoCssClass,
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file_get_contents($this->options->svgLogo),
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$this->options->eol
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);
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}
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}
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