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<?php
namespace PhpOffice\PhpSpreadsheet\Reader\Xls\Color;
class BuiltIn
{
protected static $map = [
0x00 => '000000',
0x01 => 'FFFFFF',
0x02 => 'FF0000',
0x03 => '00FF00',
0x04 => '0000FF',
0x05 => 'FFFF00',
0x06 => 'FF00FF',
0x07 => '00FFFF',
0x40 => '000000', // system window text color
0x41 => 'FFFFFF', // system window background color
];
/**
* Map built-in color to RGB value.
*
* @param int $color Indexed color
*
* @return array
*/
public static function lookup($color)
{
if (isset(self::$map[$color])) {
return ['rgb' => self::$map[$color]];
}
return ['rgb' => '000000'];
}
}