/**
* Verifies if this instance equals another one.
*
* @param mixed $other
* @return boolean
*/
public function equals($other)
{
if (!$other instanceof self) {
return false;
}
return $this->ecLevel->get() === $other->getErrorCorrectionLevel()->get() && $this->dataMask === $other->getDataMask();
}
private function __construct($formatInfo)
{
// Bits 3,4
$this->errorCorrectionLevel = ErrorCorrectionLevel::forBits($formatInfo >> 3 & 0x3);
// Bottom 3 bits
$this->dataMask = $formatInfo & 0x7;
//(byte)
}
/**
* Create a URI that will generate a QR code with the supplied values.
*
* @param string $data The data to encode.
* @param integer|null $size The size of the QR code. The units are implementation dependant.
* @param ErrorCorrectionLevel|null $errorCorrection The level of error correction to use.
*
* @return string The QR code URI.
*/
public function createUri($data, $size = null, ErrorCorrectionLevel $errorCorrection = null)
{
if (null === $size) {
$size = 250;
}
if (null === $errorCorrection) {
$errorCorrection = ErrorCorrectionLevel::LOW();
}
if (ErrorCorrectionLevel::LOW() === $errorCorrection) {
$errorCorrectionString = '';
} else {
$errorCorrectionString = $errorCorrection->letterCode();
}
return sprintf('https://chart.googleapis.com/chart?cht=qr' . '&chs=%sx%s&chld=%s%%7C0&chl=%s', rawurlencode($size), rawurlencode($size), $errorCorrectionString, rawurlencode($data));
}
/**
* Create a URI that will generate a QR code with the supplied values.
*
* @param string $data The data to encode.
* @param integer|null $size The size of the QR code. The units are implementation dependant.
* @param ErrorCorrectionLevel|null $errorCorrection The level of error correction to use.
*
* @return string The QR code URI.
*/
public function createUri($data, $size = null, ErrorCorrectionLevel $errorCorrection = null)
{
if (null === $size) {
$size = 250;
}
if (null === $errorCorrection) {
$errorCorrection = ErrorCorrectionLevel::LOW();
}
$parameters = '';
if (250 !== $size) {
$parameters .= sprintf('&size=%sx%s', rawurlencode($size), rawurlencode($size));
}
if (ErrorCorrectionLevel::LOW() !== $errorCorrection) {
$parameters .= '&ecc=' . rawurlencode($errorCorrection->letterCode());
}
return sprintf('https://api.qrserver.com/v1/create-qr-code/?data=%s%s', rawurlencode($data), $parameters);
}
/**
* Create a URI that will generate a QR code with the supplied values.
*
* @param string $data The data to encode.
* @param integer|null $size The size of the QR code. The units are implementation dependant.
* @param ErrorCorrectionLevel|null $errorCorrection The level of error correction to use.
*
* @return string The QR code URI.
*/
public function createUri($data, $size = null, ErrorCorrectionLevel $errorCorrection = null)
{
if (null === $size) {
$size = 8;
}
if (null === $errorCorrection) {
$errorCorrection = ErrorCorrectionLevel::LOW();
}
$parameters = '';
if (8 !== $size) {
$parameters .= '&s=' . rawurlencode($size);
}
if (ErrorCorrectionLevel::MEDIUM() !== $errorCorrection) {
$parameters .= '&l=' . rawurlencode($errorCorrection->numberCode());
}
return sprintf('http://qrfree.kaywa.com/?d=%s%s', rawurlencode($data), $parameters);
}
//self::$Q = new ErrorCorrectionLevel(0x03);
/** H = ~30% correction */
//self::$H = new ErrorCorrectionLevel(0x02);
public function getBits()
{
return $this->bits;
}
public function toString()
{
return $this->bits;
}
public function getOrdinal()
{
return $this->ordinal;
}
/**
* @param bits int containing the two bits encoding a QR Code's error correction level
* @return ErrorCorrectionLevel representing the encoded error correction level
*/
public static function forBits($bits)
{
if ($bits < 0 || $bits >= count(self::$FOR_BITS)) {
throw new InvalidArgumentException();
}
$level = self::$FOR_BITS[$bits];
// $lev = self::$$bit;
return $level;
}
}
ErrorCorrectionLevel::Init();
