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<?php |
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/** |
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* Class QRMatrix |
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* |
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* @filesource QRMatrix.php |
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* @created 15.11.2017 |
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* @package chillerlan\QRCode\Data |
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* @author Smiley <[email protected]> |
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* @copyright 2017 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\QRCode\Data; |
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use chillerlan\QRCode\QRCode; |
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/** |
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* @link http://www.thonky.com/qr-code-tutorial/format-version-information |
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*/ |
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class QRMatrix{ |
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const M_NULL = 0x00; |
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const M_DARKMODULE = 0x02; |
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const M_DATA = 0x04; |
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const M_FINDER = 0x06; |
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const M_SEPARATOR = 0x08; |
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const M_ALIGNMENT = 0x0a; |
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const M_TIMING = 0x0c; |
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const M_FORMAT = 0x0e; |
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const M_VERSION = 0x10; |
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const M_QUIETZONE = 0x12; |
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const M_LOGO = 0x14; // @todo |
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const M_TEST = 0xff; |
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/** |
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* @link http://www.thonky.com/qr-code-tutorial/alignment-pattern-locations |
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*/ |
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const alignmentPattern = [ 1 => // start at 1 |
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[], |
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[6, 18], |
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[6, 22], |
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[6, 26], |
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[6, 30], |
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[6, 34], |
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[6, 22, 38], |
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[6, 24, 42], |
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[6, 26, 46], |
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[6, 28, 50], |
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[6, 30, 54], |
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[6, 32, 58], |
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[6, 34, 62], |
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[6, 26, 46, 66], |
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[6, 26, 48, 70], |
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[6, 26, 50, 74], |
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[6, 30, 54, 78], |
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[6, 30, 56, 82], |
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[6, 30, 58, 86], |
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[6, 34, 62, 90], |
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[6, 28, 50, 72, 94], |
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[6, 26, 50, 74, 98], |
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[6, 30, 54, 78, 102], |
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[6, 28, 54, 80, 106], |
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[6, 32, 58, 84, 110], |
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[6, 30, 58, 86, 114], |
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[6, 34, 62, 90, 118], |
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[6, 26, 50, 74, 98, 122], |
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[6, 30, 54, 78, 102, 126], |
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[6, 26, 52, 78, 104, 130], |
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[6, 30, 56, 82, 108, 134], |
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[6, 34, 60, 86, 112, 138], |
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[6, 30, 58, 86, 114, 142], |
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[6, 34, 62, 90, 118, 146], |
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[6, 30, 54, 78, 102, 126, 150], |
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[6, 24, 50, 76, 102, 128, 154], |
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[6, 28, 54, 80, 106, 132, 158], |
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[6, 32, 58, 84, 110, 136, 162], |
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[6, 26, 54, 82, 110, 138, 166], |
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[6, 30, 58, 86, 114, 142, 170], |
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]; |
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/** |
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* @link http://www.thonky.com/qr-code-tutorial/format-version-tables |
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*/ |
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const versionPattern = [ 7 => // no version pattern for QR Codes < 7 |
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0x07c94, 0x085bc, 0x09a99, 0x0a4d3, // 7-10 |
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0x0bbf6, 0x0c762, 0x0d847, 0x0e60d, 0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, |
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0x15683, 0x168c9, 0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75, |
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0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64, 0x27541, 0x28c69, |
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]; |
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const formatPattern = [ |
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[0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976], // L |
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[0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0], // M |
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[0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed], // Q |
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[0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b], // H |
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]; |
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/** |
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* @var int |
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*/ |
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protected $version; |
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/** |
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* @var int |
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*/ |
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protected $eclevel; |
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/** |
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* @var int |
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*/ |
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protected $maskPattern = QRCode::MASK_PATTERN_AUTO; |
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/** |
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* @var int |
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*/ |
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protected $moduleCount; |
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/** |
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* @var mixed[] |
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*/ |
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protected $matrix; |
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/** |
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* QRMatrix constructor. |
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* |
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* @param int $version |
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* @param int $eclevel |
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* |
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* @throws \chillerlan\QRCode\Data\QRCodeDataException |
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*/ |
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public function __construct(int $version, int $eclevel){ |
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if(!in_array($version, range(1, 40), true)){ |
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throw new QRCodeDataException('invalid QR Code version'); |
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} |
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if(!array_key_exists($eclevel, QRCode::ECC_MODES)){ |
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throw new QRCodeDataException('invalid ecc level'); |
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} |
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$this->version = $version; |
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$this->eclevel = $eclevel; |
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$this->moduleCount = $this->version * 4 + 17; |
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$this->matrix = array_fill(0, $this->moduleCount, array_fill(0, $this->moduleCount, $this::M_NULL)); |
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} |
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/** |
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* @return array |
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*/ |
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public function matrix():array { |
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return $this->matrix; |
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} |
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/** |
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* @return int |
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*/ |
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public function version():int { |
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return $this->version; |
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} |
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/** |
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* @return int |
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*/ |
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public function eccLevel():int { |
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return $this->eclevel; |
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} |
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/** |
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* @return int |
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*/ |
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public function maskPattern():int { |
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return $this->maskPattern; |
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} |
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/** |
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* Returns the absoulute size of the matrix, including quiet zone (after setting it). |
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* |
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* size = version * 4 + 17 [ + 2 * quietzone size] |
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* |
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* @return int |
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*/ |
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public function size():int{ |
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return $this->moduleCount; |
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} |
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/** |
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* Returns the value of the module at position [$x, $y] |
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* |
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* @param int $x |
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* @param int $y |
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* |
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* @return int |
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*/ |
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public function get(int $x, int $y):int{ |
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return $this->matrix[$y][$x]; |
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} |
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/** |
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* Sets the $M_TYPE value for the module at position [$x, $y] |
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* |
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* true => $M_TYPE << 8 |
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* false => $M_TYPE |
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* |
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* @param int $x |
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* @param int $y |
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* @param int $M_TYPE |
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* @param bool $value |
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* |
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* @return \chillerlan\QRCode\Data\QRMatrix |
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*/ |
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public function set(int $x, int $y, bool $value, int $M_TYPE):QRMatrix{ |
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$this->matrix[$y][$x] = $M_TYPE << ($value ? 8 : 0); |
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return $this; |
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} |
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/** |
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* Checks whether a module is true (dark) or false (light) |
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* |
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* true => $value >> 8 === $M_TYPE |
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* $value >> 8 > 0 |
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* |
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* false => $value === $M_TYPE |
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* $value >> 8 === 0 |
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* |
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* @param int $x |
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* @param int $y |
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* |
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* @return bool |
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*/ |
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public function check(int $x, int $y):bool{ |
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return $this->matrix[$y][$x] >> 8 > 0; |
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} |
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/** |
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* Sets the "dark module", that is always on the same position 1x1px away from the bottom left finder |
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* |
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* @return \chillerlan\QRCode\Data\QRMatrix |
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*/ |
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public function setDarkModule():QRMatrix{ |
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$this->set(8, 4 * $this->version + 9, true, $this::M_DARKMODULE); |
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return $this; |
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} |
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/** |
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* Draws the 7x7 finder patterns in the corners top left/right and bottom left |
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* |
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* @return \chillerlan\QRCode\Data\QRMatrix |
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*/ |
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public function setFinderPattern():QRMatrix{ |
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$pos = [ |
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[0, 0], // top left |
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[$this->moduleCount - 7, 0], // bottom left |
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[0, $this->moduleCount - 7], // top right |
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]; |
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foreach($pos as $c){ |
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for($y = 0; $y < 7; $y++){ |
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for($x = 0; $x < 7; $x++){ |
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$this->set( |
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$c[0] + $y, |
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$c[1] + $x, |
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!(($x > 0 && $x < 6 && ($y === 1 || $y === 5)) || ($y > 0 && $y < 6 && ($x === 1 || $x === 5))), |
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$this::M_FINDER |
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); |
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} |
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} |
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} |
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return $this; |
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} |
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/** |
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* Draws the separator lines around the finder patterns |
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* |
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* @return \chillerlan\QRCode\Data\QRMatrix |
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*/ |
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public function setSeparators():QRMatrix{ |
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$h = [ |
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[7, 0], |
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[$this->moduleCount - 8, 0], |
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[7, $this->moduleCount - 8], |
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]; |
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$v = [ |
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[7, 7], |
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[$this->moduleCount - 1, 7], |
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[7, $this->moduleCount - 8], |
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]; |
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for($c = 0; $c < 3; $c++){ |
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for($i = 0; $i < 8; $i++){ |
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$this->set($h[$c][0] , $h[$c][1] + $i, false, $this::M_SEPARATOR); |
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$this->set($v[$c][0] - $i, $v[$c][1] , false, $this::M_SEPARATOR); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Draws the 5x5 alignment patterns |
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* |
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* @return \chillerlan\QRCode\Data\QRMatrix |
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*/ |
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public function setAlignmentPattern():QRMatrix{ |
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$pattern = $this::alignmentPattern[$this->version]; |
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foreach($pattern as $y){ |
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foreach($pattern as $x){ |
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// skip existing patterns |
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if($this->matrix[$y][$x] !== $this::M_NULL){ |
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continue; |
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} |
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for($ry = -2; $ry <= 2; $ry++){ |
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for($rx = -2; $rx <= 2; $rx++){ |
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$v = ($ry === 0 && $rx === 0) || $ry === 2 || $ry === -2 || $rx === 2 || $rx === -2; |
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$this->set($x + $rx, $y + $ry, $v, $this::M_ALIGNMENT); |
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} |
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} |
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} |
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} |
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return $this; |
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} |
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/** |
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* Draws the timing pattern (h/v checkered line between the finder patterns) |
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* |
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* @return \chillerlan\QRCode\Data\QRMatrix |
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*/ |
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public function setTimingPattern():QRMatrix{ |
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foreach(range(8, $this->moduleCount - 8 - 1) as $i){ |
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if($this->matrix[6][$i] !== $this::M_NULL || $this->matrix[$i][6] !== $this::M_NULL){ |
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continue; |
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} |
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$v = $i % 2 === 0; |
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$this->set($i, 6, $v, $this::M_TIMING); // h |
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$this->set(6, $i, $v, $this::M_TIMING); // v |
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} |
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return $this; |
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} |
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/** |
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* Draws the version information, 2x 3x6 pixel |
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* |
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* @param bool|null $test |
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* |
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* @return \chillerlan\QRCode\Data\QRMatrix |
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*/ |
367
|
|
|
public function setVersionNumber(bool $test = null):QRMatrix{ |
368
|
|
|
$test = $test ?? false; |
369
|
|
|
$bits = $this::versionPattern[$this->version] ?? false; |
370
|
|
|
|
371
|
|
|
if($bits !== false){ |
372
|
|
|
|
373
|
|
|
for($i = 0; $i < 18; $i++){ |
374
|
|
|
$a = (int)floor($i / 3); |
375
|
|
|
$b = $i % 3 + $this->moduleCount - 8 - 3; |
376
|
|
|
$v = !$test && (($bits >> $i) & 1) === 1; |
377
|
|
|
|
378
|
|
|
$this->set($b, $a, $v, $this::M_VERSION); // ne |
379
|
|
|
$this->set($a, $b, $v, $this::M_VERSION); // sw |
380
|
|
|
} |
381
|
|
|
|
382
|
|
|
} |
383
|
|
|
|
384
|
|
|
return $this; |
385
|
|
|
} |
386
|
|
|
|
387
|
|
|
/** |
388
|
|
|
* Draws the format info along the finder patterns |
389
|
|
|
* |
390
|
|
|
* @param int $maskPattern |
391
|
|
|
* @param bool|null $test |
392
|
|
|
* |
393
|
|
|
* @return \chillerlan\QRCode\Data\QRMatrix |
394
|
|
|
*/ |
395
|
|
|
public function setFormatInfo(int $maskPattern, bool $test = null):QRMatrix{ |
396
|
|
|
$test = $test ?? false; |
397
|
|
|
$bits = $this::formatPattern[QRCode::ECC_MODES[$this->eclevel]][$maskPattern] ?? 0; |
398
|
|
|
$t = $this::M_FORMAT; |
399
|
|
|
|
400
|
|
|
for($i = 0; $i < 15; $i++){ |
401
|
|
|
$v = !$test && (($bits >> $i) & 1) === 1; |
402
|
|
|
|
403
|
|
|
if($i < 6){ |
404
|
|
|
$this->set(8, $i, $v, $t); |
405
|
|
|
} |
406
|
|
|
elseif($i < 8){ |
407
|
|
|
$this->set(8, $i + 1, $v, $t); |
408
|
|
|
} |
409
|
|
|
else{ |
410
|
|
|
$this->set(8, $this->moduleCount - 15 + $i, $v, $t); |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
if($i < 8){ |
414
|
|
|
$this->set($this->moduleCount - $i - 1, 8, $v, $t); |
415
|
|
|
} |
416
|
|
|
elseif($i < 9){ |
417
|
|
|
$this->set(15 - $i, 8, $v, $t); |
418
|
|
|
} |
419
|
|
|
else{ |
420
|
|
|
$this->set(15 - $i - 1, 8, $v, $t); |
421
|
|
|
} |
422
|
|
|
|
423
|
|
|
} |
424
|
|
|
|
425
|
|
|
$this->set(8, $this->moduleCount - 8, !$test, $t); |
426
|
|
|
|
427
|
|
|
return $this; |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
/** |
431
|
|
|
* Draws the "quiet zone" of $size around the matrix |
432
|
|
|
* |
433
|
|
|
* @param int|null $size |
434
|
|
|
* |
435
|
|
|
* @return \chillerlan\QRCode\Data\QRMatrix |
436
|
|
|
* @throws \chillerlan\QRCode\Data\QRCodeDataException |
437
|
|
|
*/ |
438
|
|
|
public function setQuietZone(int $size = null):QRMatrix{ |
439
|
|
|
|
440
|
|
|
if($this->matrix[$this->moduleCount - 1][$this->moduleCount - 1] === $this::M_NULL){ |
441
|
|
|
throw new QRCodeDataException('use only after writing data'); |
442
|
|
|
} |
443
|
|
|
|
444
|
|
|
$size = $size !== null ? max(0, min($size, floor($this->moduleCount / 2))) : 4; |
445
|
|
|
$t = $this::M_QUIETZONE; |
446
|
|
|
|
447
|
|
|
for($y = 0; $y < $this->moduleCount; $y++){ |
448
|
|
|
for($i = 0; $i < $size; $i++){ |
449
|
|
|
array_unshift($this->matrix[$y], $t); |
450
|
|
|
array_push($this->matrix[$y], $t); |
451
|
|
|
} |
452
|
|
|
} |
453
|
|
|
|
454
|
|
|
$this->moduleCount += ($size * 2); |
455
|
|
|
$r = array_fill(0, $this->moduleCount, $t); |
456
|
|
|
|
457
|
|
|
for($i = 0; $i < $size; $i++){ |
458
|
|
|
array_unshift($this->matrix, $r); |
459
|
|
|
array_push($this->matrix, $r); |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
return $this; |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Maps the binary $data array from QRDataInterface::maskECC() on the matrix, using $maskPattern |
467
|
|
|
* |
468
|
|
|
* @see \chillerlan\QRCode\Data\QRDataAbstract::maskECC() |
469
|
|
|
* |
470
|
|
|
* @param int[] $data |
471
|
|
|
* @param int $maskPattern |
472
|
|
|
* |
473
|
|
|
* @return \chillerlan\QRCode\Data\QRMatrix |
474
|
|
|
*/ |
475
|
|
|
public function mapData(array $data, int $maskPattern):QRMatrix{ |
476
|
|
|
$this->maskPattern = $maskPattern; |
477
|
|
|
$byteCount = count($data); |
478
|
|
|
$size = $this->moduleCount - 1; |
479
|
|
|
|
480
|
|
|
for($i = $size, $y = $size, $inc = -1, $byteIndex = 0, $bitIndex = 7; $i > 0; $i -= 2){ |
481
|
|
|
|
482
|
|
|
if($i === 6){ |
483
|
|
|
$i--; |
484
|
|
|
} |
485
|
|
|
|
486
|
|
|
while(true){ |
487
|
|
|
for($c = 0; $c < 2; $c++){ |
488
|
|
|
$x = $i - $c; |
489
|
|
|
|
490
|
|
|
if($this->matrix[$y][$x] === $this::M_NULL){ |
491
|
|
|
$v = false; |
492
|
|
|
|
493
|
|
|
if($byteIndex < $byteCount){ |
494
|
|
|
$v = (($data[$byteIndex] >> $bitIndex) & 1) === 1; |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
if($this->getMask($x, $y, $maskPattern) === 0){ |
498
|
|
|
$v = !$v; |
499
|
|
|
} |
500
|
|
|
|
501
|
|
|
$this->matrix[$y][$x] = $this::M_DATA << ($v ? 8 : 0); |
502
|
|
|
$bitIndex--; |
503
|
|
|
|
504
|
|
|
if($bitIndex === -1){ |
505
|
|
|
$byteIndex++; |
506
|
|
|
$bitIndex = 7; |
507
|
|
|
} |
508
|
|
|
|
509
|
|
|
} |
510
|
|
|
} |
511
|
|
|
|
512
|
|
|
$y += $inc; |
513
|
|
|
|
514
|
|
|
if($y < 0 || $this->moduleCount <= $y){ |
515
|
|
|
$y -= $inc; |
516
|
|
|
$inc = -$inc; |
517
|
|
|
|
518
|
|
|
break; |
519
|
|
|
} |
520
|
|
|
|
521
|
|
|
} |
522
|
|
|
} |
523
|
|
|
|
524
|
|
|
return $this; |
525
|
|
|
} |
526
|
|
|
|
527
|
|
|
/** |
528
|
|
|
* @see \chillerlan\QRCode\QRMatrix::mapData() |
529
|
|
|
* |
530
|
|
|
* @internal |
531
|
|
|
* |
532
|
|
|
* @param int $x |
533
|
|
|
* @param int $y |
534
|
|
|
* @param int $maskPattern |
535
|
|
|
* |
536
|
|
|
* @return int |
537
|
|
|
* @throws \chillerlan\QRCode\Data\QRCodeDataException |
538
|
|
|
*/ |
539
|
|
|
protected function getMask(int $x, int $y, int $maskPattern):int { |
540
|
|
|
$a = $y + $x; |
541
|
|
|
$m = $y * $x; |
542
|
|
|
|
543
|
|
|
if($maskPattern >= 0 && $maskPattern < 8){ |
544
|
|
|
// this is literally the same as the stupid switch... |
545
|
|
|
return [ |
546
|
|
|
$a % 2, |
547
|
|
|
$y % 2, |
548
|
|
|
$x % 3, |
549
|
|
|
$a % 3, |
550
|
|
|
(floor($y / 2) + floor($x / 3)) % 2, |
551
|
|
|
$m % 2 + $m % 3, |
552
|
|
|
($m % 2 + $m % 3) % 2, |
553
|
|
|
($m % 3 + $a % 2) % 2 |
554
|
|
|
][$maskPattern]; |
555
|
|
|
} |
556
|
|
|
|
557
|
|
|
throw new QRCodeDataException('invalid mask pattern'); // @codeCoverageIgnore |
558
|
|
|
} |
559
|
|
|
|
560
|
|
|
} |
561
|
|
|
|