85 lines
2.8 KiB
PHP
85 lines
2.8 KiB
PHP
<?php
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Core\Imaging\IconProvider;
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use TYPO3\CMS\Core\Imaging\Icon;
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use TYPO3\CMS\Core\Imaging\IconProviderInterface;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\PathUtility;
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/**
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* Class provides icons that are classic <img> tags using bitmaps as source
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*/
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class BitmapIconProvider implements IconProviderInterface
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{
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public const MARKUP_IDENTIFIER_INLINE = 'inline';
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public function prepareIconMarkup(Icon $icon, array $options = [])
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{
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$icon->setMarkup($this->generateMarkup($icon, $options));
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$icon->setAlternativeMarkup(self::MARKUP_IDENTIFIER_INLINE, $this->generateInlineMarkup($icon, $options));
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}
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/**
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* @return string
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* @throws \InvalidArgumentException
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*/
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protected function generateMarkup(Icon $icon, array $options)
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{
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if (empty($options['source'])) {
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throw new \InvalidArgumentException('[' . $icon->getIdentifier() . '] The option "source" is required and must not be empty', 1440754980);
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}
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$source = $options['source'];
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return '<img src="' . htmlspecialchars($this->getPublicPath($source)) . '" width="' . $icon->getDimension()->getWidth() . '" height="' . $icon->getDimension()->getHeight() . '" alt="" />';
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}
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/**
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* Calculate public path of image file
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*/
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protected function getPublicPath(string $source): string
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{
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return (string)PathUtility::getSystemResourceUri($source);
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}
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/**
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* @return string
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* @throws \InvalidArgumentException
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*/
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protected function generateInlineMarkup(Icon $icon, array $options)
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{
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if (empty($options['source'])) {
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throw new \InvalidArgumentException('The option "source" is required and must not be empty', 1471460676);
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}
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$source = $options['source'];
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$filePath = PathUtility::isAbsolutePath($source) ? $source : GeneralUtility::getFileAbsFileName($source);
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if (!file_exists($filePath)) {
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return '';
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}
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return sprintf(
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'<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 %1$d %2$d" width="%1$d" height="%2$d"><image width="%1$d" height="%1$d" xlink:href="%3$s"/></svg>',
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$icon->getDimension()->getWidth(),
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$icon->getDimension()->getHeight(),
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$this->getPublicPath($source)
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);
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}
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}
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