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<?php declare(strict_types=1); namespace Endroid\QrCode\ImageData; use Endroid\QrCode\Label\LabelInterface; final class LabelImageData { private function __construct( private readonly int $width, private readonly int $height ) { } public static function createForLabel(LabelInterface $label): self { if (str_contains($label->getText(), "\n")) { throw new \Exception('Label does not support line breaks'); } if (!function_exists('imagettfbbox')) { throw new \Exception('Function "imagettfbbox" does not exist: check your FreeType installation'); } $labelBox = imagettfbbox($label->getFont()->getSize(), 0, $label->getFont()->getPath(), $label->getText()); if (!is_array($labelBox)) { throw new \Exception('Unable to generate label image box: check your FreeType installation'); } return new self( intval($labelBox[2] - $labelBox[0]), intval($labelBox[0] - $labelBox[7]) ); } public function getWidth(): int { return $this->width; } public function getHeight(): int { return $this->height; } }