<?php
// ColourLegacy.php
// Created: 2021-09-09
// Updated: 2022-01-20

namespace Index;

class ColourLegacy extends ColourRGB {
    private const INHERIT = 0x40000000;

    public function shouldInherit(): bool {
        return ($this->raw & self::INHERIT) > 0;
    }

    public function toString(): IString {
        if($this->shouldInherit()) {
            static $inherit = null;
            if($inherit === null)
                $inherit = new AString('inherit');
            return $inherit;
        }

        return parent::toString();
    }
}