77 Zeilen
2.0 KiB
PHP
77 Zeilen
2.0 KiB
PHP
<?php
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declare(strict_types = 1);
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namespace BaconQrCode\Common;
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use DASPRiD\Enum\AbstractEnum;
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/**
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* Enum representing various modes in which data can be encoded to bits.
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*
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* @method static self TERMINATOR()
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* @method static self NUMERIC()
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* @method static self ALPHANUMERIC()
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* @method static self STRUCTURED_APPEND()
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* @method static self BYTE()
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* @method static self ECI()
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* @method static self KANJI()
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* @method static self FNC1_FIRST_POSITION()
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* @method static self FNC1_SECOND_POSITION()
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* @method static self HANZI()
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*/
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final class Mode extends AbstractEnum
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{
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protected const TERMINATOR = [[0, 0, 0], 0x00];
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protected const NUMERIC = [[10, 12, 14], 0x01];
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protected const ALPHANUMERIC = [[9, 11, 13], 0x02];
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protected const STRUCTURED_APPEND = [[0, 0, 0], 0x03];
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protected const BYTE = [[8, 16, 16], 0x04];
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protected const ECI = [[0, 0, 0], 0x07];
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protected const KANJI = [[8, 10, 12], 0x08];
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protected const FNC1_FIRST_POSITION = [[0, 0, 0], 0x05];
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protected const FNC1_SECOND_POSITION = [[0, 0, 0], 0x09];
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protected const HANZI = [[8, 10, 12], 0x0d];
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/**
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* @var int[]
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*/
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private $characterCountBitsForVersions;
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/**
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* @var int
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*/
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private $bits;
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protected function __construct(array $characterCountBitsForVersions, int $bits)
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{
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$this->characterCountBitsForVersions = $characterCountBitsForVersions;
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$this->bits = $bits;
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}
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/**
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* Returns the number of bits used in a specific QR code version.
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*/
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public function getCharacterCountBits(Version $version) : int
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{
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$number = $version->getVersionNumber();
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if ($number <= 9) {
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$offset = 0;
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} elseif ($number <= 26) {
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$offset = 1;
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} else {
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$offset = 2;
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}
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return $this->characterCountBitsForVersions[$offset];
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}
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/**
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* Returns the four bits used to encode this mode.
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*/
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public function getBits() : int
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{
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return $this->bits;
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}
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}
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