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Direktori : /home2/selectio/public_html/3-idiots/vendor/mpdf/mpdf/src/ |
Current File : /home2/selectio/public_html/3-idiots/vendor/mpdf/mpdf/src/SizeConverter.php |
<?php namespace Mpdf; use Psr\Log\LoggerInterface; use Mpdf\Log\Context as LogContext; class SizeConverter implements \Psr\Log\LoggerAwareInterface { private $dpi; private $defaultFontSize; /** * @var \Mpdf\Mpdf */ private $mpdf; /** * @var \Psr\Log\LoggerInterface */ private $logger; public function __construct($dpi, $defaultFontSize, Mpdf $mpdf, LoggerInterface $logger) { $this->dpi = $dpi; $this->defaultFontSize = $defaultFontSize; $this->mpdf = $mpdf; $this->logger = $logger; } public function setLogger(LoggerInterface $logger) { $this->logger = $logger; } /** * Depends of maxsize value to make % work properly. Usually maxsize == pagewidth * For text $maxsize = $fontsize * Setting e.g. margin % will use maxsize (pagewidth) and em will use fontsize * * @param mixed $size * @param mixed $maxsize * @param mixed $fontsize * @param mixed $usefontsize Set false for e.g. margins - will ignore fontsize for % values * * @return float Final size in mm */ public function convert($size = 5, $maxsize = 0, $fontsize = false, $usefontsize = true) { $size = trim(strtolower($size)); $res = preg_match('/^(?P<size>[-0-9.,]+([eE]\-?[0-9]+)?)?(?P<unit>[%a-z-]+)?$/', $size, $parts); if (!$res) { // ignore definition $this->logger->warning(sprintf('Invalid size representation "%s"', $size), ['context' => LogContext::CSS_SIZE_CONVERSION]); } $unit = !empty($parts['unit']) ? $parts['unit'] : null; $size = !empty($parts['size']) ? (float) $parts['size'] : 0.0; switch ($unit) { case 'mm': // do nothing break; case 'cm': $size *= 10; break; case 'pt': $size *= 1 / Mpdf::SCALE; break; case 'rem': $size *= $this->mpdf->default_font_size / Mpdf::SCALE; break; case '%': if ($fontsize && $usefontsize) { $size *= $fontsize / 100; } else { $size *= $maxsize / 100; } break; case 'in': // mm in an inch $size *= 25.4; break; case 'pc': // PostScript picas $size *= 38.1 / 9; break; case 'ex': // Approximates "ex" as half of font height $size *= $this->multiplyFontSize($fontsize, $maxsize, 0.5); break; case 'em': $size *= $this->multiplyFontSize($fontsize, $maxsize, 1); break; case 'thin': $size = 1 * (25.4 / $this->dpi); break; case 'medium': $size = 3 * (25.4 / $this->dpi); // Commented-out dead code from legacy method // $size *= $this->multiplyFontSize($fontsize, $maxsize, 1); break; case 'thick': $size = 5 * (25.4 / $this->dpi); // 5 pixel width for table borders break; case 'xx-small': $size *= $this->multiplyFontSize($fontsize, $maxsize, 0.7); break; case 'x-small': $size *= $this->multiplyFontSize($fontsize, $maxsize, 0.77); break; case 'small': $size *= $this->multiplyFontSize($fontsize, $maxsize, 0.86); break; case 'large': $size *= $this->multiplyFontSize($fontsize, $maxsize, 1.2); break; case 'x-large': $size *= $this->multiplyFontSize($fontsize, $maxsize, 1.5); break; case 'xx-large': $size *= $this->multiplyFontSize($fontsize, $maxsize, 2); break; case 'px': default: $size *= (25.4 / $this->dpi); break; } return $size; } private function multiplyFontSize($fontsize, $maxsize, $ratio) { if ($fontsize) { return $fontsize * $ratio; } return $maxsize * $ratio; } }