TYPO3\CMS\Core\Imaging\IconProvider\FontawesomeIconProvider::createSvgIcons()

Complexity

Conditions	5
Paths	4

Size

Total Lines	44
Code Lines	32

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    protected function createSvgIcons(): array
    {
        $icons = [];
        $doc = $this->getSvgContents('EXT:backend/Resources/Public/Fonts/FontAwesome/fontawesome-webfont.svg');
        if ($doc === null) {
            throw new \RuntimeException('Fontawsome SVG webfont could not be loaded.', 1612868955);
        }
        $defaultUnitsPerEm = 1000; // https://www.w3.org/TR/SVG11/fonts.html#FontFaceElementUnitsPerEmAttribute
        $defaultHeight = (int)($doc->xpath('//font-face')[0]['units-per-em'] ?? $defaultUnitsPerEm);
        $defaultWidth = (int)($doc->xpath('//font')[0]['horiz-adv-x']);
        $viewBoxXOffset = 0;
        $viewBoxYOffset = (int)($doc->xpath('//font-face')[0]['descent']);

        foreach ($this->unicodeMap as $name => $unicode) {
            $elements = $doc->xpath('//glyph[@unicode="' . html_entity_decode('&#x' . dechex($unicode) . ';', ENT_NOQUOTES, 'UTF-8') . '"]');
            if ($elements === false || count($elements) === 0) {
                throw new \RuntimeException('Fontawsome SVG glyph ' . $name . ' not found.', 1612868954);
            }
            $element = $elements[0];

            $path = (string)($element['d'] ?? '');
            $width = (int)($element['horiz-adv-x'] ?? $defaultWidth);
            $height = $defaultHeight;
            $transformOriginX = $width / 2 + $viewBoxXOffset;
            $transformOriginY = $height / 2 + $viewBoxYOffset;

            $svg = vsprintf(
                '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="%s %s %s %s" class="icon-unify"><path transform="scale(1 -1)" transform-origin="%s %s" class="icon-color" d="%s" /></svg>',
                $this->escape([
                    $viewBoxXOffset,
                    $viewBoxYOffset,
                    $width,
                    $height,
                    $transformOriginX,
                    $transformOriginY,
                    $path,
                ])
            );

            $icons[$name] = $svg;
        }

        $this->cache->set($this->getCacheIdentifier(), $icons);
        return $icons;
    }