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xesmyd
2026-03-30 14:10:30 +02:00
parent f2a7e6d1fc
commit ac648ef29d
24665 changed files with 69682 additions and 2205004 deletions
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vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/BitMatrixParser.php
Vendored
+213 -201
View File
@@ -17,234 +17,246 @@
namespace Zxing\Qrcode\Decoder;
use Zxing\FormatException;
use Zxing\Common\BitMatrix;
use Zxing\FormatException;
/**
* @author Sean Owen
*/
final class BitMatrixParser {
final class BitMatrixParser
{
private $bitMatrix;
/**
* @var mixed|null
*/
private $parsedVersion;
private $parsedFormatInfo;
private $mirror;
private $bitMatrix;
private $parsedVersion;
private $parsedFormatInfo;
private $mirror;
/**
* @param $bitMatrix {@link BitMatrix} to parse
*
* @throws FormatException if dimension is not >= 21 and 1 mod 4
*/
public function __construct($bitMatrix)
{
$dimension = $bitMatrix->getHeight();
if ($dimension < 21 || ($dimension & 0x03) != 1) {
throw FormatException::getFormatInstance();
}
$this->bitMatrix = $bitMatrix;
}
/**
* @param bitMatrix {@link BitMatrix} to parse
* @throws FormatException if dimension is not >= 21 and 1 mod 4
*/
function __construct($bitMatrix) {
$dimension = $bitMatrix->getHeight();
if ($dimension < 21 || ($dimension & 0x03) != 1) {
throw FormatException::getFormatInstance();
}
$this->bitMatrix = $bitMatrix;
}
/**
* <p>Reads the bits in the {@link BitMatrix} representing the finder pattern in the
* correct order in order to reconstruct the codewords bytes contained within the
* QR Code.</p>
*
* @return bytes encoded within the QR Code
* @throws FormatException if the exact number of bytes expected is not read
*/
public function readCodewords()
{
$formatInfo = $this->readFormatInformation();
$version = $this->readVersion();
/**
* <p>Reads format information from one of its two locations within the QR Code.</p>
*
* @return {@link FormatInformation} encapsulating the QR Code's format info
* @throws FormatException if both format information locations cannot be parsed as
* the valid encoding of format information
*/
function readFormatInformation() {
// Get the data mask for the format used in this QR Code. This will exclude
// some bits from reading as we wind through the bit matrix.
$dataMask = DataMask::forReference($formatInfo->getDataMask());
$dimension = $this->bitMatrix->getHeight();
$dataMask->unmaskBitMatrix($this->bitMatrix, $dimension);
if ($this->parsedFormatInfo != null) {
return $this->parsedFormatInfo;
}
$functionPattern = $version->buildFunctionPattern();
// Read top-left format info bits
$formatInfoBits1 = 0;
for ($i = 0; $i < 6; $i++) {
$formatInfoBits1 = $this->copyBit($i, 8, $formatInfoBits1);
}
// .. and skip a bit in the timing pattern ...
$formatInfoBits1 = $this->copyBit(7, 8, $formatInfoBits1);
$formatInfoBits1 = $this->copyBit(8, 8, $formatInfoBits1);
$formatInfoBits1 = $this->copyBit(8, 7, $formatInfoBits1);
// .. and skip a bit in the timing pattern ...
for ($j = 5; $j >= 0; $j--) {
$formatInfoBits1 = $this->copyBit(8, $j, $formatInfoBits1);
}
$readingUp = true;
if ($version->getTotalCodewords()) {
$result = fill_array(0, $version->getTotalCodewords(), 0);
} else {
$result = [];
}
$resultOffset = 0;
$currentByte = 0;
$bitsRead = 0;
// Read columns in pairs, from right to left
for ($j = $dimension - 1; $j > 0; $j -= 2) {
if ($j == 6) {
// Skip whole column with vertical alignment pattern;
// saves time and makes the other code proceed more cleanly
$j--;
}
// Read alternatingly from bottom to top then top to bottom
for ($count = 0; $count < $dimension; $count++) {
$i = $readingUp ? $dimension - 1 - $count : $count;
for ($col = 0; $col < 2; $col++) {
// Ignore bits covered by the function pattern
if (!$functionPattern->get($j - $col, $i)) {
// Read a bit
$bitsRead++;
$currentByte <<= 1;
if ($this->bitMatrix->get($j - $col, $i)) {
$currentByte |= 1;
}
// If we've made a whole byte, save it off
if ($bitsRead == 8) {
$result[$resultOffset++] = $currentByte; //(byte)
$bitsRead = 0;
$currentByte = 0;
}
}
}
}
$readingUp ^= true; // readingUp = !readingUp; // switch directions
}
if ($resultOffset != $version->getTotalCodewords()) {
throw FormatException::getFormatInstance();
}
// Read the top-right/bottom-left pattern too
$dimension = $this->bitMatrix->getHeight();
$formatInfoBits2 = 0;
$jMin = $dimension - 7;
for ($j = $dimension - 1; $j >= $jMin; $j--) {
$formatInfoBits2 = $this->copyBit(8, $j, $formatInfoBits2);
}
for ($i = $dimension - 8; $i < $dimension; $i++) {
$formatInfoBits2 = $this->copyBit($i, 8, $formatInfoBits2);
}
return $result;
}
$parsedFormatInfo = FormatInformation::decodeFormatInformation($formatInfoBits1, $formatInfoBits2);
if ($parsedFormatInfo != null) {
return $parsedFormatInfo;
}
throw FormatException::getFormatInstance();
}
/**
* <p>Reads format information from one of its two locations within the QR Code.</p>
*
* @return {@link FormatInformation} encapsulating the QR Code's format info
* @throws FormatException if both format information locations cannot be parsed as
* the valid encoding of format information
*/
public function readFormatInformation()
{
if ($this->parsedFormatInfo != null) {
return $this->parsedFormatInfo;
}
/**
* <p>Reads version information from one of its two locations within the QR Code.</p>
*
* @return {@link Version} encapsulating the QR Code's version
* @throws FormatException if both version information locations cannot be parsed as
* the valid encoding of version information
*/
function readVersion(){
// Read top-left format info bits
$formatInfoBits1 = 0;
for ($i = 0; $i < 6; $i++) {
$formatInfoBits1 = $this->copyBit($i, 8, $formatInfoBits1);
}
// .. and skip a bit in the timing pattern ...
$formatInfoBits1 = $this->copyBit(7, 8, $formatInfoBits1);
$formatInfoBits1 = $this->copyBit(8, 8, $formatInfoBits1);
$formatInfoBits1 = $this->copyBit(8, 7, $formatInfoBits1);
// .. and skip a bit in the timing pattern ...
for ($j = 5; $j >= 0; $j--) {
$formatInfoBits1 = $this->copyBit(8, $j, $formatInfoBits1);
}
if ($this->parsedVersion != null) {
return $this->parsedVersion;
}
// Read the top-right/bottom-left pattern too
$dimension = $this->bitMatrix->getHeight();
$formatInfoBits2 = 0;
$jMin = $dimension - 7;
for ($j = $dimension - 1; $j >= $jMin; $j--) {
$formatInfoBits2 = $this->copyBit(8, $j, $formatInfoBits2);
}
for ($i = $dimension - 8; $i < $dimension; $i++) {
$formatInfoBits2 = $this->copyBit($i, 8, $formatInfoBits2);
}
$dimension = $this->bitMatrix->getHeight();
$parsedFormatInfo = FormatInformation::decodeFormatInformation($formatInfoBits1, $formatInfoBits2);
if ($parsedFormatInfo != null) {
return $parsedFormatInfo;
}
throw FormatException::getFormatInstance();
}
$provisionalVersion = ($dimension - 17) / 4;
if ($provisionalVersion <= 6) {
return Version::getVersionForNumber($provisionalVersion);
}
private function copyBit($i, $j, $versionBits)
{
$bit = $this->mirror ? $this->bitMatrix->get($j, $i) : $this->bitMatrix->get($i, $j);
// Read top-right version info: 3 wide by 6 tall
$versionBits = 0;
$ijMin = $dimension - 11;
for ($j = 5; $j >= 0; $j--) {
for ($i = $dimension - 9; $i >= $ijMin; $i--) {
$versionBits = $this->copyBit($i, $j, $versionBits);
}
}
return $bit ? ($versionBits << 1) | 0x1 : $versionBits << 1;
}
$theParsedVersion = Version::decodeVersionInformation($versionBits);
if ($theParsedVersion != null && $theParsedVersion->getDimensionForVersion() == $dimension) {
$this->parsedVersion = $theParsedVersion;
return $theParsedVersion;
}
/**
* <p>Reads version information from one of its two locations within the QR Code.</p>
*
* @return {@link Version} encapsulating the QR Code's version
* @throws FormatException if both version information locations cannot be parsed as
* the valid encoding of version information
*/
public function readVersion()
{
if ($this->parsedVersion != null) {
return $this->parsedVersion;
}
// Hmm, failed. Try bottom left: 6 wide by 3 tall
$versionBits = 0;
for ($i = 5; $i >= 0; $i--) {
for ($j = $dimension - 9; $j >=$ijMin; $j--) {
$versionBits = $this->copyBit($i, $j, $versionBits);
}
}
$dimension = $this->bitMatrix->getHeight();
$theParsedVersion = Version::decodeVersionInformation($versionBits);
if ($theParsedVersion != null && $theParsedVersion->getDimensionForVersion() == $dimension) {
$this->parsedVersion = $theParsedVersion;
return $theParsedVersion;
}
throw FormatException::getFormatInstance();
}
$provisionalVersion = ($dimension - 17) / 4;
if ($provisionalVersion <= 6) {
return Version::getVersionForNumber($provisionalVersion);
}
private function copyBit($i, $j, $versionBits) {
$bit = $this->mirror ? $this->bitMatrix->get($j, $i) : $this->bitMatrix->get($i, $j);
return $bit ? ($versionBits << 1) | 0x1 : $versionBits << 1;
}
// Read top-right version info: 3 wide by 6 tall
$versionBits = 0;
$ijMin = $dimension - 11;
for ($j = 5; $j >= 0; $j--) {
for ($i = $dimension - 9; $i >= $ijMin; $i--) {
$versionBits = $this->copyBit($i, $j, $versionBits);
}
}
/**
* <p>Reads the bits in the {@link BitMatrix} representing the finder pattern in the
* correct order in order to reconstruct the codewords bytes contained within the
* QR Code.</p>
*
* @return bytes encoded within the QR Code
* @throws FormatException if the exact number of bytes expected is not read
*/
function readCodewords(){
$theParsedVersion = Version::decodeVersionInformation($versionBits);
if ($theParsedVersion != null && $theParsedVersion->getDimensionForVersion() == $dimension) {
$this->parsedVersion = $theParsedVersion;
$formatInfo = $this->readFormatInformation();
$version = $this->readVersion();
return $theParsedVersion;
}
// Get the data mask for the format used in this QR Code. This will exclude
// some bits from reading as we wind through the bit matrix.
$dataMask = DataMask::forReference($formatInfo->getDataMask());
$dimension = $this->bitMatrix->getHeight();
$dataMask->unmaskBitMatrix($this->bitMatrix, $dimension);
// Hmm, failed. Try bottom left: 6 wide by 3 tall
$versionBits = 0;
for ($i = 5; $i >= 0; $i--) {
for ($j = $dimension - 9; $j >= $ijMin; $j--) {
$versionBits = $this->copyBit($i, $j, $versionBits);
}
}
$functionPattern = $version->buildFunctionPattern();
$theParsedVersion = Version::decodeVersionInformation($versionBits);
if ($theParsedVersion != null && $theParsedVersion->getDimensionForVersion() == $dimension) {
$this->parsedVersion = $theParsedVersion;
$readingUp = true;
if($version->getTotalCodewords()) {
$result = fill_array(0, $version->getTotalCodewords(), 0);
}else{
$result = array();
}
$resultOffset = 0;
$currentByte = 0;
$bitsRead = 0;
// Read columns in pairs, from right to left
for ($j = $dimension - 1; $j > 0; $j -= 2) {
if ($j == 6) {
// Skip whole column with vertical alignment pattern;
// saves time and makes the other code proceed more cleanly
$j--;
}
// Read alternatingly from bottom to top then top to bottom
for ($count = 0; $count < $dimension; $count++) {
$i = $readingUp ? $dimension - 1 - $count : $count;
for ($col = 0; $col < 2; $col++) {
// Ignore bits covered by the function pattern
if (!$functionPattern->get($j - $col, $i)) {
// Read a bit
$bitsRead++;
$currentByte <<= 1;
if ($this->bitMatrix->get($j - $col, $i)) {
$currentByte |= 1;
}
// If we've made a whole byte, save it off
if ($bitsRead == 8) {
$result[$resultOffset++] = $currentByte; //(byte)
$bitsRead = 0;
$currentByte = 0;
}
}
}
}
$readingUp ^= true; // readingUp = !readingUp; // switch directions
}
if ($resultOffset != $version->getTotalCodewords()) {
throw FormatException::getFormatInstance();
}
return $result;
}
return $theParsedVersion;
}
throw FormatException::getFormatInstance();
}
/**
* Revert the mask removal done while reading the code words. The bit matrix should revert to its original state.
*/
function remask() {
if ($this->parsedFormatInfo == null) {
return; // We have no format information, and have no data mask
}
$dataMask = DataMask::forReference($this->parsedFormatInfo->getDataMask());
$dimension = $this->bitMatrix->getHeight();
$dataMask->unmaskBitMatrix($this->bitMatrix, $dimension);
}
/**
* Revert the mask removal done while reading the code words. The bit matrix should revert to its original state.
*/
public function remask(): void
{
if ($this->parsedFormatInfo == null) {
return; // We have no format information, and have no data mask
}
$dataMask = DataMask::forReference($this->parsedFormatInfo->getDataMask());
$dimension = $this->bitMatrix->getHeight();
$dataMask->unmaskBitMatrix($this->bitMatrix, $dimension);
}
/**
* Prepare the parser for a mirrored operation.
* This flag has effect only on the {@link #readFormatInformation()} and the
* {@link #readVersion()}. Before proceeding with {@link #readCodewords()} the
* {@link #mirror()} method should be called.
*
* @param mirror Whether to read version and format information mirrored.
*/
function setMirror($mirror) {
$parsedVersion = null;
$parsedFormatInfo = null;
$this->mirror = $mirror;
}
/** Mirror the bit matrix in order to attempt a second reading. */
function mirror() {
for ($x = 0; $x < $this->bitMatrix->getWidth(); $x++) {
for ($y = $x + 1; $y < $this->bitMatrix->getHeight(); $y++) {
if ($this->bitMatrix->get($x, $y) != $this->bitMatrix->get($y, $x)) {
$this->bitMatrix->flip($y, $x);
$this->bitMatrix->flip($x, $y);
}
}
}
}
/**
* Prepare the parser for a mirrored operation.
* This flag has effect only on the {@link #readFormatInformation()} and the
* {@link #readVersion()}. Before proceeding with {@link #readCodewords()} the
* {@link #mirror()} method should be called.
*
* @param Whether $mirror to read version and format information mirrored.
*/
public function setMirror($mirror): void
{
$parsedVersion = null;
$parsedFormatInfo = null;
$this->mirror = $mirror;
}
/** Mirror the bit matrix in order to attempt a second reading. */
public function mirror(): void
{
for ($x = 0; $x < $this->bitMatrix->getWidth(); $x++) {
for ($y = $x + 1; $y < $this->bitMatrix->getHeight(); $y++) {
if ($this->bitMatrix->get($x, $y) != $this->bitMatrix->get($y, $x)) {
$this->bitMatrix->flip($y, $x);
$this->bitMatrix->flip($x, $y);
}
}
}
}
}
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/DataBlock.php
Vendored
+90 -86
View File
@@ -24,100 +24,104 @@ namespace Zxing\Qrcode\Decoder;
*
* @author Sean Owen
*/
final class DataBlock {
final class DataBlock
{
//byte[]
private $numDataCodewords;
private $codewords; //byte[]
private function __construct(private $numDataCodewords, private $codewords)
{
}
private function __construct($numDataCodewords, $codewords) {
$this->numDataCodewords = $numDataCodewords;
$this->codewords = $codewords;
}
/**
* <p>When QR Codes use multiple data blocks, they are actually interleaved.
* That is, the first byte of data block 1 to n is written, then the second bytes, and so on. This
* method will separate the data into original blocks.</p>
*
* @param bytes $rawCodewords as read directly from the QR Code
* @param version $version of the QR Code
* @param error $ecLevel-correction level of the QR Code
*
* @return array DataBlocks containing original bytes, "de-interleaved" from representation in the
* QR Code
*/
public static function getDataBlocks(
$rawCodewords,
$version,
$ecLevel
)
{
if ((is_countable($rawCodewords) ? count($rawCodewords) : 0) != $version->getTotalCodewords()) {
throw new \InvalidArgumentException();
}
/**
* <p>When QR Codes use multiple data blocks, they are actually interleaved.
* That is, the first byte of data block 1 to n is written, then the second bytes, and so on. This
* method will separate the data into original blocks.</p>
*
* @param rawCodewords bytes as read directly from the QR Code
* @param version version of the QR Code
* @param ecLevel error-correction level of the QR Code
* @return DataBlocks containing original bytes, "de-interleaved" from representation in the
* QR Code
*/
static function getDataBlocks($rawCodewords,
$version,
$ecLevel) {
// Figure out the number and size of data blocks used by this version and
// error correction level
$ecBlocks = $version->getECBlocksForLevel($ecLevel);
if (count($rawCodewords) != $version->getTotalCodewords()) {
throw new \InvalidArgumentException();
}
// First count the total number of data blocks
$totalBlocks = 0;
$ecBlockArray = $ecBlocks->getECBlocks();
foreach ($ecBlockArray as $ecBlock) {
$totalBlocks += $ecBlock->getCount();
}
// Figure out the number and size of data blocks used by this version and
// error correction level
$ecBlocks = $version->getECBlocksForLevel($ecLevel);
// Now establish DataBlocks of the appropriate size and number of data codewords
$result = [];//new DataBlock[$totalBlocks];
$numResultBlocks = 0;
foreach ($ecBlockArray as $ecBlock) {
$ecBlockCount = $ecBlock->getCount();
for ($i = 0; $i < $ecBlockCount; $i++) {
$numDataCodewords = $ecBlock->getDataCodewords();
$numBlockCodewords = $ecBlocks->getECCodewordsPerBlock() + $numDataCodewords;
$result[$numResultBlocks++] = new DataBlock($numDataCodewords, fill_array(0, $numBlockCodewords, 0));
}
}
// First count the total number of data blocks
$totalBlocks = 0;
$ecBlockArray = $ecBlocks->getECBlocks();
foreach ($ecBlockArray as $ecBlock) {
$totalBlocks += $ecBlock->getCount();
}
// All blocks have the same amount of data, except that the last n
// (where n may be 0) have 1 more byte. Figure out where these start.
$shorterBlocksTotalCodewords = is_countable($result[0]->codewords) ? count($result[0]->codewords) : 0;
$longerBlocksStartAt = count($result) - 1;
while ($longerBlocksStartAt >= 0) {
$numCodewords = is_countable($result[$longerBlocksStartAt]->codewords) ? count($result[$longerBlocksStartAt]->codewords) : 0;
if ($numCodewords == $shorterBlocksTotalCodewords) {
break;
}
$longerBlocksStartAt--;
}
$longerBlocksStartAt++;
// Now establish DataBlocks of the appropriate size and number of data codewords
$result = array();//new DataBlock[$totalBlocks];
$numResultBlocks = 0;
foreach ($ecBlockArray as $ecBlock) {
for ($i = 0; $i < $ecBlock->getCount(); $i++) {
$numDataCodewords = $ecBlock->getDataCodewords();
$numBlockCodewords = $ecBlocks->getECCodewordsPerBlock() + $numDataCodewords;
$result[$numResultBlocks++] = new DataBlock($numDataCodewords, fill_array(0,$numBlockCodewords,0));
}
}
$shorterBlocksNumDataCodewords = $shorterBlocksTotalCodewords - $ecBlocks->getECCodewordsPerBlock();
// The last elements of result may be 1 element longer;
// first fill out as many elements as all of them have
$rawCodewordsOffset = 0;
for ($i = 0; $i < $shorterBlocksNumDataCodewords; $i++) {
for ($j = 0; $j < $numResultBlocks; $j++) {
$result[$j]->codewords[$i] = $rawCodewords[$rawCodewordsOffset++];
}
}
// Fill out the last data block in the longer ones
for ($j = $longerBlocksStartAt; $j < $numResultBlocks; $j++) {
$result[$j]->codewords[$shorterBlocksNumDataCodewords] = $rawCodewords[$rawCodewordsOffset++];
}
// Now add in error correction blocks
$max = is_countable($result[0]->codewords) ? count($result[0]->codewords) : 0;
for ($i = $shorterBlocksNumDataCodewords; $i < $max; $i++) {
for ($j = 0; $j < $numResultBlocks; $j++) {
$iOffset = $j < $longerBlocksStartAt ? $i : $i + 1;
$result[$j]->codewords[$iOffset] = $rawCodewords[$rawCodewordsOffset++];
}
}
// All blocks have the same amount of data, except that the last n
// (where n may be 0) have 1 more byte. Figure out where these start.
$shorterBlocksTotalCodewords = count($result[0]->codewords);
$longerBlocksStartAt = count($result) - 1;
while ($longerBlocksStartAt >= 0) {
$numCodewords = count($result[$longerBlocksStartAt]->codewords);
if ($numCodewords == $shorterBlocksTotalCodewords) {
break;
}
$longerBlocksStartAt--;
}
$longerBlocksStartAt++;
return $result;
}
$shorterBlocksNumDataCodewords = $shorterBlocksTotalCodewords - $ecBlocks->getECCodewordsPerBlock();
// The last elements of result may be 1 element longer;
// first fill out as many elements as all of them have
$rawCodewordsOffset = 0;
for ($i = 0; $i < $shorterBlocksNumDataCodewords; $i++) {
for ($j = 0; $j < $numResultBlocks; $j++) {
$result[$j]->codewords[$i] = $rawCodewords[$rawCodewordsOffset++];
}
}
// Fill out the last data block in the longer ones
for ($j = $longerBlocksStartAt; $j < $numResultBlocks; $j++) {
$result[$j]->codewords[$shorterBlocksNumDataCodewords] = $rawCodewords[$rawCodewordsOffset++];
}
// Now add in error correction blocks
$max = count($result[0]->codewords);
for ($i = $shorterBlocksNumDataCodewords; $i < $max; $i++) {
for ($j = 0; $j < $numResultBlocks; $j++) {
$iOffset = $j < $longerBlocksStartAt ? $i : $i + 1;
$result[$j]->codewords[$iOffset] = $rawCodewords[$rawCodewordsOffset++];
}
}
return $result;
}
function getNumDataCodewords() {
return $this->numDataCodewords;
}
function getCodewords() {
return $this->codewords;
}
public function getNumDataCodewords()
{
return $this->numDataCodewords;
}
public function getCodewords()
{
return $this->codewords;
}
}
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/DataMask.php
Vendored
+113 -94
View File
@@ -32,144 +32,163 @@ use Zxing\Common\BitMatrix;
*/
abstract class DataMask
{
/**
* See ISO 18004:2006 6.8.1
*/
private static array $DATA_MASKS = [];
/**
* See ISO 18004:2006 6.8.1
*/
private static $DATA_MASKS = array();
public function __construct()
{
}
static function Init()
{
self::$DATA_MASKS = array(
new DataMask000(),
new DataMask001(),
new DataMask010(),
new DataMask011(),
new DataMask100(),
new DataMask101(),
new DataMask110(),
new DataMask111(),
);
}
public static function Init(): void
{
self::$DATA_MASKS = [
new DataMask000(),
new DataMask001(),
new DataMask010(),
new DataMask011(),
new DataMask100(),
new DataMask101(),
new DataMask110(),
new DataMask111(),
];
}
function __construct()
{
/**
* @param a $reference value between 0 and 7 indicating one of the eight possible
* data mask patterns a QR Code may use
*
* @return DataMask encapsulating the data mask pattern
*/
public static function forReference($reference)
{
if ($reference < 0 || $reference > 7) {
throw new \InvalidArgumentException();
}
}
return self::$DATA_MASKS[$reference];
}
/**
* <p>Implementations of this method reverse the data masking process applied to a QR Code and
* make its bits ready to read.</p>
*
* @param bits representation of QR Code bits
* @param dimension dimension of QR Code, represented by bits, being unmasked
*/
final function unmaskBitMatrix($bits, $dimension)
{
for ($i = 0; $i < $dimension; $i++) {
for ($j = 0; $j < $dimension; $j++) {
if ($this->isMasked($i, $j)) {
$bits->flip($j, $i);
}
}
}
}
/**
* <p>Implementations of this method reverse the data masking process applied to a QR Code and
* make its bits ready to read.</p>
*
* @param representation $bits of QR Code bits
* @param dimension $dimension of QR Code, represented by bits, being unmasked
*/
final public function unmaskBitMatrix($bits, $dimension): void
{
for ($i = 0; $i < $dimension; $i++) {
for ($j = 0; $j < $dimension; $j++) {
if ($this->isMasked($i, $j)) {
$bits->flip($j, $i);
}
}
}
}
abstract function isMasked($i, $j);
/**
* @param reference a value between 0 and 7 indicating one of the eight possible
* data mask patterns a QR Code may use
* @return DataMask encapsulating the data mask pattern
*/
static function forReference($reference)
{
if ($reference < 0 || $reference > 7) {
throw new \InvalidArgumentException();
}
return self::$DATA_MASKS[$reference];
}
abstract public function isMasked($i, $j);
}
DataMask::Init();
/**
* 000: mask bits for which (x + y) mod 2 == 0
*/
final class DataMask000 extends DataMask {
// @Override
function isMasked($i, $j) {
return (($i + $j) & 0x01) == 0;
}
final class DataMask000 extends DataMask
{
// @Override
public function isMasked($i, $j)
{
return (($i + $j) & 0x01) == 0;
}
}
/**
* 001: mask bits for which x mod 2 == 0
*/
final class DataMask001 extends DataMask {
//@Override
function isMasked($i, $j) {
return ($i & 0x01) == 0;
}
final class DataMask001 extends DataMask
{
//@Override
public function isMasked($i, $j)
{
return ($i & 0x01) == 0;
}
}
/**
* 010: mask bits for which y mod 3 == 0
*/
final class DataMask010 extends DataMask {
//@Override
function isMasked($i, $j) {
return $j % 3 == 0;
}
final class DataMask010 extends DataMask
{
//@Override
public function isMasked($i, $j)
{
return $j % 3 == 0;
}
}
/**
* 011: mask bits for which (x + y) mod 3 == 0
*/
final class DataMask011 extends DataMask {
//@Override
function isMasked($i, $j) {
return ($i + $j) % 3 == 0;
}
final class DataMask011 extends DataMask
{
//@Override
public function isMasked($i, $j)
{
return ($i + $j) % 3 == 0;
}
}
/**
* 100: mask bits for which (x/2 + y/3) mod 2 == 0
*/
final class DataMask100 extends DataMask {
//@Override
function isMasked($i, $j) {
return intval((intval($i / 2) + intval($j /3)) & 0x01) == 0;
}
final class DataMask100 extends DataMask
{
//@Override
public function isMasked($i, $j)
{
return (int)(((int)($i / 2) + (int)($j / 3)) & 0x01) == 0;
}
}
/**
* 101: mask bits for which xy mod 2 + xy mod 3 == 0
*/
final class DataMask101 extends DataMask {
//@Override
function isMasked($i, $j) {
$temp = $i * $j;
return ($temp & 0x01) + ($temp % 3) == 0;
}
final class DataMask101 extends DataMask
{
//@Override
public function isMasked($i, $j)
{
$temp = $i * $j;
return ($temp & 0x01) + ($temp % 3) == 0;
}
}
/**
* 110: mask bits for which (xy mod 2 + xy mod 3) mod 2 == 0
*/
final class DataMask110 extends DataMask {
//@Override
function isMasked($i, $j) {
$temp = $i * $j;
return ((($temp & 0x01) + ($temp % 3)) & 0x01) == 0;
}
final class DataMask110 extends DataMask
{
//@Override
public function isMasked($i, $j)
{
$temp = $i * $j;
return ((($temp & 0x01) + ($temp % 3)) & 0x01) == 0;
}
}
/**
* 111: mask bits for which ((x+y)mod 2 + xy mod 3) mod 2 == 0
*/
final class DataMask111 extends DataMask {
//@Override
function isMasked($i, $j) {
return (((($i + $j) & 0x01) + (($i * $j) % 3)) & 0x01) == 0;
}
final class DataMask111 extends DataMask
{
//@Override
public function isMasked($i, $j)
{
return (((($i + $j) & 0x01) + (($i * $j) % 3)) & 0x01) == 0;
}
}
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/DecodedBitStreamParser.php
Vendored
+312 -307
View File
@@ -17,14 +17,10 @@
namespace Zxing\Qrcode\Decoder;
use Zxing\DecodeHintType;
use Zxing\FormatException;
use Zxing\Common\BitSource;
use Zxing\Common\CharacterSetECI;
use Zxing\Common\DecoderResult;
use Zxing\Common\StringUtils;
use Zxing\FormatException;
/**
* <p>QR Codes can encode text as bits in one of several modes, and can use multiple modes
@@ -34,326 +30,335 @@ use Zxing\Common\StringUtils;
*
* @author Sean Owen
*/
final class DecodedBitStreamParser {
final class DecodedBitStreamParser
{
/**
* See ISO 18004:2006, 6.4.4 Table 5
*/
private static array $ALPHANUMERIC_CHARS = [
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
' ', '$', '%', '*', '+', '-', '.', '/', ':',
];
private static int $GB2312_SUBSET = 1;
/**
* See ISO 18004:2006, 6.4.4 Table 5
*/
private static $ALPHANUMERIC_CHARS = array(
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
' ', '$', '%', '*', '+', '-', '.', '/', ':'
);
private static $GB2312_SUBSET = 1;
public static function decode(
$bytes,
$version,
$ecLevel,
$hints
): \Zxing\Common\DecoderResult
{
$bits = new BitSource($bytes);
$result = '';//new StringBuilder(50);
$byteSegments = [];
$symbolSequence = -1;
$parityData = -1;
try {
$currentCharacterSetECI = null;
$fc1InEffect = false;
$mode = '';
do {
// While still another segment to read...
if ($bits->available() < 4) {
// OK, assume we're done. Really, a TERMINATOR mode should have been recorded here
$mode = Mode::$TERMINATOR;
} else {
$mode = Mode::forBits($bits->readBits(4)); // mode is encoded by 4 bits
}
if ($mode != Mode::$TERMINATOR) {
if ($mode == Mode::$FNC1_FIRST_POSITION || $mode == Mode::$FNC1_SECOND_POSITION) {
// We do little with FNC1 except alter the parsed result a bit according to the spec
$fc1InEffect = true;
} elseif ($mode == Mode::$STRUCTURED_APPEND) {
if ($bits->available() < 16) {
throw FormatException::getFormatInstance();
}
// sequence number and parity is added later to the result metadata
// Read next 8 bits (symbol sequence #) and 8 bits (parity data), then continue
$symbolSequence = $bits->readBits(8);
$parityData = $bits->readBits(8);
} elseif ($mode == Mode::$ECI) {
// Count doesn't apply to ECI
$value = self::parseECIValue($bits);
$currentCharacterSetECI = CharacterSetECI::getCharacterSetECIByValue($value);
if ($currentCharacterSetECI == null) {
throw FormatException::getFormatInstance();
}
} else {
// First handle Hanzi mode which does not start with character count
if ($mode == Mode::$HANZI) {
//chinese mode contains a sub set indicator right after mode indicator
$subset = $bits->readBits(4);
$countHanzi = $bits->readBits($mode->getCharacterCountBits($version));
if ($subset == self::$GB2312_SUBSET) {
self::decodeHanziSegment($bits, $result, $countHanzi);
}
} else {
// "Normal" QR code modes:
// How many characters will follow, encoded in this mode?
$count = $bits->readBits($mode->getCharacterCountBits($version));
if ($mode == Mode::$NUMERIC) {
self::decodeNumericSegment($bits, $result, $count);
} elseif ($mode == Mode::$ALPHANUMERIC) {
self::decodeAlphanumericSegment($bits, $result, $count, $fc1InEffect);
} elseif ($mode == Mode::$BYTE) {
self::decodeByteSegment($bits, $result, $count, $currentCharacterSetECI, $byteSegments, $hints);
} elseif ($mode == Mode::$KANJI) {
self::decodeKanjiSegment($bits, $result, $count);
} else {
throw FormatException::getFormatInstance();
}
}
}
}
} while ($mode != Mode::$TERMINATOR);
} catch (\InvalidArgumentException) {
// from readBits() calls
throw FormatException::getFormatInstance();
}
private function DecodedBitStreamParser() {
return new DecoderResult(
$bytes,
$result,
empty($byteSegments) ? null : $byteSegments,
$ecLevel == null ? null : 'L',//ErrorCorrectionLevel::toString($ecLevel),
$symbolSequence,
$parityData
);
}
private static function parseECIValue($bits)
{
$firstByte = $bits->readBits(8);
if (($firstByte & 0x80) == 0) {
// just one byte
return $firstByte & 0x7F;
}
if (($firstByte & 0xC0) == 0x80) {
// two bytes
$secondByte = $bits->readBits(8);
}
return (($firstByte & 0x3F) << 8) | $secondByte;
}
if (($firstByte & 0xE0) == 0xC0) {
// three bytes
$secondThirdBytes = $bits->readBits(16);
static function decode($bytes,
$version,
$ecLevel,
$hints) {
$bits = new BitSource($bytes);
$result = '';//new StringBuilder(50);
$byteSegments = array();
$symbolSequence = -1;
$parityData = -1;
return (($firstByte & 0x1F) << 16) | $secondThirdBytes;
}
throw FormatException::getFormatInstance();
}
try {
$currentCharacterSetECI = null;
$fc1InEffect = false;
$mode='';
do {
// While still another segment to read...
if ($bits->available() < 4) {
// OK, assume we're done. Really, a TERMINATOR mode should have been recorded here
$mode = Mode::$TERMINATOR;
} else {
$mode = Mode::forBits($bits->readBits(4)); // mode is encoded by 4 bits
}
if ($mode != Mode::$TERMINATOR) {
if ($mode == Mode::$FNC1_FIRST_POSITION || $mode == Mode::$FNC1_SECOND_POSITION) {
// We do little with FNC1 except alter the parsed result a bit according to the spec
$fc1InEffect = true;
} else if ($mode == Mode::$STRUCTURED_APPEND) {
if ($bits->available() < 16) {
throw FormatException::getFormatInstance();
}
// sequence number and parity is added later to the result metadata
// Read next 8 bits (symbol sequence #) and 8 bits (parity data), then continue
$symbolSequence = $bits->readBits(8);
$parityData = $bits->readBits(8);
} else if ($mode == Mode::$ECI) {
// Count doesn't apply to ECI
$value = self::parseECIValue($bits);
$currentCharacterSetECI = CharacterSetECI::getCharacterSetECIByValue($value);
if ($currentCharacterSetECI == null) {
throw FormatException::getFormatInstance();
}
} else {
// First handle Hanzi mode which does not start with character count
if ($mode == Mode::$HANZI) {
//chinese mode contains a sub set indicator right after mode indicator
$subset = $bits->readBits(4);
$countHanzi = $bits->readBits($mode->getCharacterCountBits($version));
if ($subset == self::$GB2312_SUBSET) {
self::decodeHanziSegment($bits, $result, $countHanzi);
}
} else {
// "Normal" QR code modes:
// How many characters will follow, encoded in this mode?
$count = $bits->readBits($mode->getCharacterCountBits($version));
if ($mode == Mode::$NUMERIC) {
self::decodeNumericSegment($bits, $result, $count);
} else if ($mode == Mode::$ALPHANUMERIC) {
self::decodeAlphanumericSegment($bits, $result, $count, $fc1InEffect);
} else if ($mode == Mode::$BYTE) {
self::decodeByteSegment($bits, $result, $count, $currentCharacterSetECI, $byteSegments, $hints);
} else if ($mode == Mode::$KANJI) {
self::decodeKanjiSegment($bits, $result, $count);
} else {
throw FormatException::getFormatInstance();
}
}
}
}
} while ($mode != Mode::$TERMINATOR);
} catch (IllegalArgumentException $iae) {
// from readBits() calls
throw FormatException::getFormatInstance();
}
/**
* See specification GBT 18284-2000
*/
private static function decodeHanziSegment(
$bits,
&$result,
$count
)
{
// Don't crash trying to read more bits than we have available.
if ($count * 13 > $bits->available()) {
throw FormatException::getFormatInstance();
}
return new DecoderResult($bytes,
$result,
empty($byteSegments) ? null : $byteSegments,
$ecLevel == null ? null : 'L',//ErrorCorrectionLevel::toString($ecLevel),
$symbolSequence,
$parityData);
}
// Each character will require 2 bytes. Read the characters as 2-byte pairs
// and decode as GB2312 afterwards
$buffer = fill_array(0, 2 * $count, 0);
$offset = 0;
while ($count > 0) {
// Each 13 bits encodes a 2-byte character
$twoBytes = $bits->readBits(13);
$assembledTwoBytes = (($twoBytes / 0x060) << 8) | ($twoBytes % 0x060);
if ($assembledTwoBytes < 0x003BF) {
// In the 0xA1A1 to 0xAAFE range
$assembledTwoBytes += 0x0A1A1;
} else {
// In the 0xB0A1 to 0xFAFE range
$assembledTwoBytes += 0x0A6A1;
}
$buffer[$offset] = (($assembledTwoBytes >> 8) & 0xFF);//(byte)
$buffer[$offset + 1] = ($assembledTwoBytes & 0xFF);//(byte)
$offset += 2;
$count--;
}
$result .= iconv('GB2312', 'UTF-8', implode($buffer));
}
/**
* See specification GBT 18284-2000
*/
private static function decodeHanziSegment($bits,
&$result,
$count) {
// Don't crash trying to read more bits than we have available.
if ($count * 13 > $bits->available()) {
throw FormatException::getFormatInstance();
}
private static function decodeNumericSegment(
$bits,
&$result,
$count
)
{
// Read three digits at a time
while ($count >= 3) {
// Each 10 bits encodes three digits
if ($bits->available() < 10) {
throw FormatException::getFormatInstance();
}
$threeDigitsBits = $bits->readBits(10);
if ($threeDigitsBits >= 1000) {
throw FormatException::getFormatInstance();
}
$result .= (self::toAlphaNumericChar($threeDigitsBits / 100));
$result .= (self::toAlphaNumericChar(($threeDigitsBits / 10) % 10));
$result .= (self::toAlphaNumericChar($threeDigitsBits % 10));
$count -= 3;
}
if ($count == 2) {
// Two digits left over to read, encoded in 7 bits
if ($bits->available() < 7) {
throw FormatException::getFormatInstance();
}
$twoDigitsBits = $bits->readBits(7);
if ($twoDigitsBits >= 100) {
throw FormatException::getFormatInstance();
}
$result .= (self::toAlphaNumericChar($twoDigitsBits / 10));
$result .= (self::toAlphaNumericChar($twoDigitsBits % 10));
} elseif ($count == 1) {
// One digit left over to read
if ($bits->available() < 4) {
throw FormatException::getFormatInstance();
}
$digitBits = $bits->readBits(4);
if ($digitBits >= 10) {
throw FormatException::getFormatInstance();
}
$result .= (self::toAlphaNumericChar($digitBits));
}
}
// Each character will require 2 bytes. Read the characters as 2-byte pairs
// and decode as GB2312 afterwards
$buffer = fill_array(0,2 * $count,0);
$offset = 0;
while ($count > 0) {
// Each 13 bits encodes a 2-byte character
$twoBytes = $bits->readBits(13);
$assembledTwoBytes = (($twoBytes / 0x060) << 8) | ($twoBytes % 0x060);
if ($assembledTwoBytes < 0x003BF) {
// In the 0xA1A1 to 0xAAFE range
$assembledTwoBytes += 0x0A1A1;
} else {
// In the 0xB0A1 to 0xFAFE range
$assembledTwoBytes += 0x0A6A1;
}
$buffer[$offset] = (($assembledTwoBytes >> 8) & 0xFF);//(byte)
$buffer[$offset + 1] = ($assembledTwoBytes & 0xFF);//(byte)
$offset += 2;
$count--;
}
private static function toAlphaNumericChar($value)
{
if ($value >= count(self::$ALPHANUMERIC_CHARS)) {
throw FormatException::getFormatInstance();
}
try {
$result .= iconv('GB2312', 'UTF-8', implode($buffer));
} catch (UnsupportedEncodingException $ignored) {
throw FormatException::getFormatInstance();
}
}
return self::$ALPHANUMERIC_CHARS[$value];
}
private static function decodeKanjiSegment($bits,
&$result,
$count) {
// Don't crash trying to read more bits than we have available.
if ($count * 13 > $bits->available()) {
throw FormatException::getFormatInstance();
}
private static function decodeAlphanumericSegment(
$bits,
&$result,
$count,
$fc1InEffect
)
{
// Read two characters at a time
$start = strlen((string) $result);
while ($count > 1) {
if ($bits->available() < 11) {
throw FormatException::getFormatInstance();
}
$nextTwoCharsBits = $bits->readBits(11);
$result .= (self::toAlphaNumericChar($nextTwoCharsBits / 45));
$result .= (self::toAlphaNumericChar($nextTwoCharsBits % 45));
$count -= 2;
}
if ($count == 1) {
// special case: one character left
if ($bits->available() < 6) {
throw FormatException::getFormatInstance();
}
$result .= self::toAlphaNumericChar($bits->readBits(6));
}
// See section 6.4.8.1, 6.4.8.2
if ($fc1InEffect) {
// We need to massage the result a bit if in an FNC1 mode:
for ($i = $start; $i < strlen((string) $result); $i++) {
if ($result[$i] == '%') {
if ($i < strlen((string) $result) - 1 && $result[$i + 1] == '%') {
// %% is rendered as %
$result = substr_replace($result, '', $i + 1, 1);//deleteCharAt(i + 1);
} else {
// In alpha mode, % should be converted to FNC1 separator 0x1D
$result . setCharAt($i, chr(0x1D));
}
}
}
}
}
// Each character will require 2 bytes. Read the characters as 2-byte pairs
// and decode as Shift_JIS afterwards
$buffer = array(0,2 * $count,0);
$offset = 0;
while ($count > 0) {
// Each 13 bits encodes a 2-byte character
$twoBytes = $bits->readBits(13);
$assembledTwoBytes = (($twoBytes / 0x0C0) << 8) | ($twoBytes % 0x0C0);
if ($assembledTwoBytes < 0x01F00) {
// In the 0x8140 to 0x9FFC range
$assembledTwoBytes += 0x08140;
} else {
// In the 0xE040 to 0xEBBF range
$assembledTwoBytes += 0x0C140;
}
$buffer[$offset] = ($assembledTwoBytes >> 8);//(byte)
$buffer[$offset + 1] = $assembledTwoBytes; //(byte)
$offset += 2;
$count--;
}
// Shift_JIS may not be supported in some environments:
try {
$result .= iconv('shift-jis','utf-8',implode($buffer));
private static function decodeByteSegment(
$bits,
&$result,
$count,
$currentCharacterSetECI,
&$byteSegments,
$hints
)
{
// Don't crash trying to read more bits than we have available.
if (8 * $count > $bits->available()) {
throw FormatException::getFormatInstance();
}
$readBytes = fill_array(0, $count, 0);
for ($i = 0; $i < $count; $i++) {
$readBytes[$i] = $bits->readBits(8);//(byte)
}
$text = implode(array_map('chr', $readBytes));
$encoding = '';
if ($currentCharacterSetECI == null) {
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
} catch (UnsupportedEncodingException $ignored) {
throw FormatException::getFormatInstance();
}
}
$encoding = mb_detect_encoding($text, $hints);
} else {
$encoding = $currentCharacterSetECI->name();
}
// $result.= mb_convert_encoding($text ,$encoding);//(new String(readBytes, encoding));
$result .= $text;//(new String(readBytes, encoding));
private static function decodeByteSegment($bits,
&$result,
$count,
$currentCharacterSetECI,
&$byteSegments,
$hints) {
// Don't crash trying to read more bits than we have available.
if (8 * $count > $bits->available()) {
throw FormatException::getFormatInstance();
}
$byteSegments = array_merge($byteSegments, $readBytes);
}
$readBytes = fill_array(0,$count,0);
for ($i = 0; $i < $count; $i++) {
$readBytes[$i] = $bits->readBits(8);//(byte)
}
$text = implode(array_map('chr',$readBytes));
$encoding = '';
if ($currentCharacterSetECI == null) {
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
private static function decodeKanjiSegment(
$bits,
&$result,
$count
)
{
// Don't crash trying to read more bits than we have available.
if ($count * 13 > $bits->available()) {
throw FormatException::getFormatInstance();
}
$encoding = mb_detect_encoding($text, $hints);
} else {
$encoding = $currentCharacterSetECI->name();
}
try {
// $result.= mb_convert_encoding($text ,$encoding);//(new String(readBytes, encoding));
$result.= $text;//(new String(readBytes, encoding));
} catch (UnsupportedEncodingException $ignored) {
throw FormatException::getFormatInstance();
}
$byteSegments = array_merge($byteSegments, $readBytes);
}
// Each character will require 2 bytes. Read the characters as 2-byte pairs
// and decode as Shift_JIS afterwards
$buffer = [0, 2 * $count, 0];
$offset = 0;
while ($count > 0) {
// Each 13 bits encodes a 2-byte character
$twoBytes = $bits->readBits(13);
$assembledTwoBytes = (($twoBytes / 0x0C0) << 8) | ($twoBytes % 0x0C0);
if ($assembledTwoBytes < 0x01F00) {
// In the 0x8140 to 0x9FFC range
$assembledTwoBytes += 0x08140;
} else {
// In the 0xE040 to 0xEBBF range
$assembledTwoBytes += 0x0C140;
}
$buffer[$offset] = ($assembledTwoBytes >> 8);//(byte)
$buffer[$offset + 1] = $assembledTwoBytes; //(byte)
$offset += 2;
$count--;
}
// Shift_JIS may not be supported in some environments:
private static function toAlphaNumericChar($value) {
if ($value >= count(self::$ALPHANUMERIC_CHARS)) {
throw FormatException::getFormatInstance();
}
return self::$ALPHANUMERIC_CHARS[$value];
}
private static function decodeAlphanumericSegment($bits,
&$result,
$count,
$fc1InEffect) {
// Read two characters at a time
$start = strlen($result);
while ($count > 1) {
if ($bits->available() < 11) {
throw FormatException::getFormatInstance();
}
$nextTwoCharsBits = $bits->readBits(11);
$result.=(self::toAlphaNumericChar($nextTwoCharsBits / 45));
$result.=(self::toAlphaNumericChar($nextTwoCharsBits % 45));
$count -= 2;
}
if ($count == 1) {
// special case: one character left
if ($bits->available() < 6) {
throw FormatException::getFormatInstance();
}
$result.=self::toAlphaNumericChar($bits->readBits(6));
}
// See section 6.4.8.1, 6.4.8.2
if ($fc1InEffect) {
// We need to massage the result a bit if in an FNC1 mode:
for ($i = $start; $i < strlen($result); $i++) {
if ($result{$i} == '%') {
if ($i < strlen($result) - 1 && $result{$i + 1} == '%') {
// %% is rendered as %
$result = substr_replace($result,'',$i + 1,1);//deleteCharAt(i + 1);
} else {
// In alpha mode, % should be converted to FNC1 separator 0x1D
$result.setCharAt($i, chr(0x1D));
}
}
}
}
}
private static function decodeNumericSegment($bits,
&$result,
$count) {
// Read three digits at a time
while ($count >= 3) {
// Each 10 bits encodes three digits
if ($bits->available() < 10) {
throw FormatException::getFormatInstance();
}
$threeDigitsBits = $bits->readBits(10);
if ($threeDigitsBits >= 1000) {
throw FormatException::getFormatInstance();
}
$result.=(self::toAlphaNumericChar($threeDigitsBits / 100));
$result.=(self::toAlphaNumericChar(($threeDigitsBits / 10) % 10));
$result.=(self::toAlphaNumericChar($threeDigitsBits % 10));
$count -= 3;
}
if ($count == 2) {
// Two digits left over to read, encoded in 7 bits
if ($bits->available() < 7) {
throw FormatException::getFormatInstance();
}
$twoDigitsBits = $bits->readBits(7);
if ($twoDigitsBits >= 100) {
throw FormatException::getFormatInstance();
}
$result.=(self::toAlphaNumericChar($twoDigitsBits / 10));
$result.=(self::toAlphaNumericChar($twoDigitsBits % 10));
} else if ($count == 1) {
// One digit left over to read
if ($bits->available() < 4) {
throw FormatException::getFormatInstance();
}
$digitBits = $bits->readBits(4);
if ($digitBits >= 10) {
throw FormatException::getFormatInstance();
}
$result.=(self::toAlphaNumericChar($digitBits));
}
}
private static function parseECIValue($bits) {
$firstByte = $bits->readBits(8);
if (($firstByte & 0x80) == 0) {
// just one byte
return $firstByte & 0x7F;
}
if (($firstByte & 0xC0) == 0x80) {
// two bytes
$secondByte = $bits->readBits(8);
return (($firstByte & 0x3F) << 8) | $secondByte;
}
if (($firstByte & 0xE0) == 0xC0) {
// three bytes
$secondThirdBytes = $bits->readBits(16);
return (($firstByte & 0x1F) << 16) | $secondThirdBytes;
}
throw FormatException::getFormatInstance();
}
$result .= iconv('shift-jis', 'utf-8', implode($buffer));
}
private function DecodedBitStreamParser(): void
{
}
}
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/Decoder.php
Vendored
+155 -161
View File
@@ -18,15 +18,11 @@
namespace Zxing\Qrcode\Decoder;
use Zxing\ChecksumException;
use Zxing\DecodeHintType;
use Zxing\FormatException;
use Zxing\Common\BitMatrix;
use Zxing\Common\DecoderResult;
use Zxing\Common\Reedsolomon\GenericGF;
use Zxing\Common\Reedsolomon\ReedSolomonDecoder;
use Zxing\Common\Reedsolomon\ReedSolomonException;
use Zxing\FormatException;
/**
* <p>The main class which implements QR Code decoding -- as opposed to locating and extracting
@@ -34,181 +30,179 @@ use Zxing\Common\Reedsolomon\ReedSolomonException;
*
* @author Sean Owen
*/
final class Decoder {
final class Decoder
{
private readonly \Zxing\Common\Reedsolomon\ReedSolomonDecoder $rsDecoder;
private $rsDecoder;
public function __construct()
{
$this->rsDecoder = new ReedSolomonDecoder(GenericGF::$QR_CODE_FIELD_256);
}
public function __construct() {
$this->rsDecoder = new ReedSolomonDecoder(GenericGF::$QR_CODE_FIELD_256);
}
public function decode($variable, $hints = null)
{
if (is_array($variable)) {
return $this->decodeImage($variable, $hints);
} elseif ($variable instanceof BitMatrix) {
return $this->decodeBits($variable, $hints);
} elseif ($variable instanceof BitMatrixParser) {
return $this->decodeParser($variable, $hints);
}
die('decode error Decoder.php');
}
/**
* <p>Convenience method that can decode a QR Code represented as a 2D array of booleans.
* "true" is taken to mean a black module.</p>
*
* @param array $image booleans representing white/black QR Code modules
* @param decoding $hints hints that should be used to influence decoding
*
* @return text and bytes encoded within the QR Code
* @throws FormatException if the QR Code cannot be decoded
* @throws ChecksumException if error correction fails
*/
public function decodeImage($image, $hints = null)
{
$dimension = count($image);
$bits = new BitMatrix($dimension);
for ($i = 0; $i < $dimension; $i++) {
for ($j = 0; $j < $dimension; $j++) {
if ($image[$i][$j]) {
$bits->set($j, $i);
}
}
}
return $this->decode($bits, $hints);
}
function decode($variable, $hints=null){
if(is_array($variable)){
return $this->decodeImage($variable,$hints);
}elseif(is_object($variable)&&$variable instanceof BitMatrix){
return $this->decodeBits($variable,$hints);
}elseif(is_object($variable)&&$variable instanceof BitMatrixParser){
return $this->decodeParser($variable,$hints);
}else{
die('decode error Decoder.php');
}
}
/**
* <p>Convenience method that can decode a QR Code represented as a 2D array of booleans.
* "true" is taken to mean a black module.</p>
*
* @param image booleans representing white/black QR Code modules
* @param hints decoding hints that should be used to influence decoding
* @return text and bytes encoded within the QR Code
* @throws FormatException if the QR Code cannot be decoded
* @throws ChecksumException if error correction fails
*/
public function decodeImage($image, $hints=null)
{
$dimension = count($image);
$bits = new BitMatrix($dimension);
for ($i = 0; $i < $dimension; $i++) {
for ($j = 0; $j < $dimension; $j++) {
if ($image[$i][$j]) {
$bits->set($j, $i);
}
}
}
return $this->decode($bits, $hints);
}
/**
* <p>Decodes a QR Code represented as a {@link BitMatrix}. A 1 or "true" is taken to mean a black module.</p>
*
* @param bits booleans representing white/black QR Code modules
* @param hints decoding hints that should be used to influence decoding
* @return text and bytes encoded within the QR Code
* @throws FormatException if the QR Code cannot be decoded
* @throws ChecksumException if error correction fails
*/
public function decodeBits($bits, $hints=null)
{
/**
* <p>Decodes a QR Code represented as a {@link BitMatrix}. A 1 or "true" is taken to mean a black module.</p>
*
* @param BitMatrix $bits booleans representing white/black QR Code modules
* @param decoding $hints hints that should be used to influence decoding
*
* @return text and bytes encoded within the QR Code
* @throws FormatException if the QR Code cannot be decoded
* @throws ChecksumException if error correction fails
*/
public function decodeBits($bits, $hints = null)
{
// Construct a parser and read version, error-correction level
$parser = new BitMatrixParser($bits);
$fe = null;
$ce = null;
try {
return $this->decode($parser, $hints);
} catch (FormatException $e) {
$fe = $e;
} catch (ChecksumException $e) {
$ce = $e;
}
$parser = new BitMatrixParser($bits);
$fe = null;
$ce = null;
try {
return $this->decode($parser, $hints);
} catch (FormatException $e) {
$fe = $e;
} catch (ChecksumException $e) {
$ce = $e;
}
try {
try {
// Revert the bit matrix
$parser->remask();
// Revert the bit matrix
$parser->remask();
// Will be attempting a mirrored reading of the version and format info.
$parser->setMirror(true);
// Will be attempting a mirrored reading of the version and format info.
$parser->setMirror(true);
// Preemptively read the version.
$parser->readVersion();
// Preemptively read the version.
$parser->readVersion();
// Preemptively read the format information.
$parser->readFormatInformation();
// Preemptively read the format information.
$parser->readFormatInformation();
/*
* Since we're here, this means we have successfully detected some kind
* of version and format information when mirrored. This is a good sign,
* that the QR code may be mirrored, and we should try once more with a
* mirrored content.
*/
// Prepare for a mirrored reading.
$parser->mirror();
/*
* Since we're here, this means we have successfully detected some kind
* of version and format information when mirrored. This is a good sign,
* that the QR code may be mirrored, and we should try once more with a
* mirrored content.
*/
// Prepare for a mirrored reading.
$parser->mirror();
$result = $this->decode($parser, $hints);
$result = $this->decode($parser, $hints);
// Success! Notify the caller that the code was mirrored.
$result->setOther(new QRCodeDecoderMetaData(true));
// Success! Notify the caller that the code was mirrored.
$result->setOther(new QRCodeDecoderMetaData(true));
return $result;
return $result;
} catch (FormatException $e) {// catch (FormatException | ChecksumException e) {
// Throw the exception from the original reading
if ($fe != null) {
throw $fe;
}
if ($ce != null) {
throw $ce;
}
throw $e;
}
}
} catch (FormatException $e ) {// catch (FormatException | ChecksumException e) {
// Throw the exception from the original reading
if ($fe != null) {
throw $fe;
}
if ($ce != null) {
throw $ce;
}
throw $e;
private function decodeParser($parser, $hints = null)
{
$version = $parser->readVersion();
$ecLevel = $parser->readFormatInformation()->getErrorCorrectionLevel();
}
}
// Read codewords
$codewords = $parser->readCodewords();
// Separate into data blocks
$dataBlocks = DataBlock::getDataBlocks($codewords, $version, $ecLevel);
private function decodeParser($parser,$hints=null)
{
$version = $parser->readVersion();
$ecLevel = $parser->readFormatInformation()->getErrorCorrectionLevel();
// Count total number of data bytes
$totalBytes = 0;
foreach ($dataBlocks as $dataBlock) {
$totalBytes += $dataBlock->getNumDataCodewords();
}
$resultBytes = fill_array(0, $totalBytes, 0);
$resultOffset = 0;
// Read codewords
$codewords = $parser->readCodewords();
// Separate into data blocks
$dataBlocks = DataBlock::getDataBlocks($codewords, $version, $ecLevel);
// Error-correct and copy data blocks together into a stream of bytes
foreach ($dataBlocks as $dataBlock) {
$codewordBytes = $dataBlock->getCodewords();
$numDataCodewords = $dataBlock->getNumDataCodewords();
$this->correctErrors($codewordBytes, $numDataCodewords);
for ($i = 0; $i < $numDataCodewords; $i++) {
$resultBytes[$resultOffset++] = $codewordBytes[$i];
}
}
// Count total number of data bytes
$totalBytes = 0;
foreach ($dataBlocks as $dataBlock) {
$totalBytes += $dataBlock->getNumDataCodewords();
}
$resultBytes = fill_array(0,$totalBytes,0);
$resultOffset = 0;
// Error-correct and copy data blocks together into a stream of bytes
foreach ($dataBlocks as $dataBlock) {
$codewordBytes = $dataBlock->getCodewords();
$numDataCodewords = $dataBlock->getNumDataCodewords();
$this->correctErrors($codewordBytes, $numDataCodewords);
for ($i = 0; $i < $numDataCodewords; $i++) {
$resultBytes[$resultOffset++] = $codewordBytes[$i];
}
}
// Decode the contents of that stream of bytes
return DecodedBitStreamParser::decode($resultBytes, $version, $ecLevel, $hints);
}
/**
* <p>Given data and error-correction codewords received, possibly corrupted by errors, attempts to
* correct the errors in-place using Reed-Solomon error correction.</p>
*
* @param codewordBytes data and error correction codewords
* @param numDataCodewords number of codewords that are data bytes
* @throws ChecksumException if error correction fails
*/
private function correctErrors(&$codewordBytes, $numDataCodewords){
$numCodewords = count($codewordBytes);
// First read into an array of ints
$codewordsInts =fill_array(0,$numCodewords,0);
for ($i = 0; $i < $numCodewords; $i++) {
$codewordsInts[$i] = $codewordBytes[$i] & 0xFF;
}
$numECCodewords = count($codewordBytes)- $numDataCodewords;
try {
$this->rsDecoder->decode($codewordsInts, $numECCodewords);
} catch (ReedSolomonException $ignored) {
throw ChecksumException::getChecksumInstance();
}
// Copy back into array of bytes -- only need to worry about the bytes that were data
// We don't care about errors in the error-correction codewords
for ($i = 0; $i < $numDataCodewords; $i++) {
$codewordBytes[$i] = $codewordsInts[$i];
}
}
// Decode the contents of that stream of bytes
return DecodedBitStreamParser::decode($resultBytes, $version, $ecLevel, $hints);
}
/**
* <p>Given data and error-correction codewords received, possibly corrupted by errors, attempts to
* correct the errors in-place using Reed-Solomon error correction.</p>
*
* @param data $codewordBytes and error correction codewords
* @param number $numDataCodewords of codewords that are data bytes
*
* @throws ChecksumException if error correction fails
*/
private function correctErrors(&$codewordBytes, $numDataCodewords)
{
$numCodewords = is_countable($codewordBytes) ? count($codewordBytes) : 0;
// First read into an array of ints
$codewordsInts = fill_array(0, $numCodewords, 0);
for ($i = 0; $i < $numCodewords; $i++) {
$codewordsInts[$i] = $codewordBytes[$i] & 0xFF;
}
$numECCodewords = (is_countable($codewordBytes) ? count($codewordBytes) : 0) - $numDataCodewords;
try {
$this->rsDecoder->decode($codewordsInts, $numECCodewords);
} catch (ReedSolomonException) {
throw ChecksumException::getChecksumInstance();
}
// Copy back into array of bytes -- only need to worry about the bytes that were data
// We don't care about errors in the error-correction codewords
for ($i = 0; $i < $numDataCodewords; $i++) {
$codewordBytes[$i] = $codewordsInts[$i];
}
}
}
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/ErrorCorrectionLevel.php
Vendored
+57 -53
View File
@@ -23,64 +23,68 @@ namespace Zxing\Qrcode\Decoder;
*
* @author Sean Owen
*/
class ErrorCorrectionLevel {
class ErrorCorrectionLevel
{
/**
* @var \Zxing\Qrcode\Decoder\ErrorCorrectionLevel[]|null
*/
private static ?array $FOR_BITS = null;
public function __construct(private $bits, private $ordinal = 0)
{
}
public static function Init(): void
{
self::$FOR_BITS = [
private static $FOR_BITS;
new ErrorCorrectionLevel(0x00, 1), //M
new ErrorCorrectionLevel(0x01, 0), //L
new ErrorCorrectionLevel(0x02, 3), //H
new ErrorCorrectionLevel(0x03, 2), //Q
];
}
/** L = ~7% correction */
// self::$L = new ErrorCorrectionLevel(0x01);
/** M = ~15% correction */
//self::$M = new ErrorCorrectionLevel(0x00);
/** Q = ~25% correction */
//self::$Q = new ErrorCorrectionLevel(0x03);
/** H = ~30% correction */
//self::$H = new ErrorCorrectionLevel(0x02);
/**
* @param int $bits containing the two bits encoding a QR Code's error correction level
*
* @return ErrorCorrectionLevel representing the encoded error correction level
*/
public static function forBits($bits)
{
if ($bits < 0 || $bits >= (is_countable(self::$FOR_BITS) ? count(self::$FOR_BITS) : 0)) {
throw new \InvalidArgumentException();
}
$level = self::$FOR_BITS[$bits];
// $lev = self::$$bit;
return $level;
}
private $bits;
private $ordinal;
function __construct($bits,$ordinal=0) {
$this->bits = $bits;
$this->ordinal = $ordinal;
}
public static function Init(){
self::$FOR_BITS = array(
new ErrorCorrectionLevel(0x00,1), //M
new ErrorCorrectionLevel(0x01,0), //L
new ErrorCorrectionLevel(0x02,3), //H
new ErrorCorrectionLevel(0x03,2), //Q
);
}
/** L = ~7% correction */
// self::$L = new ErrorCorrectionLevel(0x01);
/** M = ~15% correction */
//self::$M = new ErrorCorrectionLevel(0x00);
/** Q = ~25% correction */
//self::$Q = new ErrorCorrectionLevel(0x03);
/** H = ~30% correction */
//self::$H = new ErrorCorrectionLevel(0x02);
public function getBits() {
return $this->bits;
}
public function toString() {
return $this->bits;
}
public function getOrdinal() {
return $this->ordinal;
}
/**
* @param bits int containing the two bits encoding a QR Code's error correction level
* @return ErrorCorrectionLevel representing the encoded error correction level
*/
public static function forBits($bits) {
if ($bits < 0 || $bits >= count(self::$FOR_BITS)) {
throw new \InvalidArgumentException();
}
$level = self::$FOR_BITS[$bits];
// $lev = self::$$bit;
return $level;
}
public function getBits()
{
return $this->bits;
}
public function toString()
{
return $this->bits;
}
public function getOrdinal()
{
return $this->ordinal;
}
}
ErrorCorrectionLevel::Init();
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/FormatInformation.php
Vendored
+153 -139
View File
@@ -22,158 +22,172 @@ namespace Zxing\Qrcode\Decoder;
* error correction level.</p>
*
* @author Sean Owen
* @see DataMask
* @see ErrorCorrectionLevel
* @see DataMask
* @see ErrorCorrectionLevel
*/
final class FormatInformation {
final class FormatInformation
{
public static $FORMAT_INFO_MASK_QR;
public static $FORMAT_INFO_MASK_QR;
/**
* See ISO 18004:2006, Annex C, Table C.1
*/
public static $FORMAT_INFO_DECODE_LOOKUP;
/**
* Offset i holds the number of 1 bits in the binary representation of i
* @var int[]|null
*/
private static ?array $BITS_SET_IN_HALF_BYTE = null;
/**
* See ISO 18004:2006, Annex C, Table C.1
*/
public static $FORMAT_INFO_DECODE_LOOKUP;
/**
* Offset i holds the number of 1 bits in the binary representation of i
*/
private static $BITS_SET_IN_HALF_BYTE;
private readonly \Zxing\Qrcode\Decoder\ErrorCorrectionLevel $errorCorrectionLevel;
private readonly int $dataMask;
private $errorCorrectionLevel;
private $dataMask;
private function __construct($formatInfo)
{
// Bits 3,4
$this->errorCorrectionLevel = ErrorCorrectionLevel::forBits(($formatInfo >> 3) & 0x03);
// Bottom 3 bits
$this->dataMask = ($formatInfo & 0x07);//(byte)
}
public static function Init(){
public static function Init(): void
{
self::$FORMAT_INFO_MASK_QR = 0x5412;
self::$BITS_SET_IN_HALF_BYTE = [0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4];
self::$FORMAT_INFO_DECODE_LOOKUP = [
[0x5412, 0x00],
[0x5125, 0x01],
[0x5E7C, 0x02],
[0x5B4B, 0x03],
[0x45F9, 0x04],
[0x40CE, 0x05],
[0x4F97, 0x06],
[0x4AA0, 0x07],
[0x77C4, 0x08],
[0x72F3, 0x09],
[0x7DAA, 0x0A],
[0x789D, 0x0B],
[0x662F, 0x0C],
[0x6318, 0x0D],
[0x6C41, 0x0E],
[0x6976, 0x0F],
[0x1689, 0x10],
[0x13BE, 0x11],
[0x1CE7, 0x12],
[0x19D0, 0x13],
[0x0762, 0x14],
[0x0255, 0x15],
[0x0D0C, 0x16],
[0x083B, 0x17],
[0x355F, 0x18],
[0x3068, 0x19],
[0x3F31, 0x1A],
[0x3A06, 0x1B],
[0x24B4, 0x1C],
[0x2183, 0x1D],
[0x2EDA, 0x1E],
[0x2BED, 0x1F],
];
}
self::$FORMAT_INFO_MASK_QR= 0x5412;
self::$BITS_SET_IN_HALF_BYTE = array(0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4);
self::$FORMAT_INFO_DECODE_LOOKUP = array(
array(0x5412, 0x00),
array (0x5125, 0x01),
array(0x5E7C, 0x02),
array(0x5B4B, 0x03),
array(0x45F9, 0x04),
array(0x40CE, 0x05),
array(0x4F97, 0x06),
array(0x4AA0, 0x07),
array(0x77C4, 0x08),
array(0x72F3, 0x09),
array(0x7DAA, 0x0A),
array(0x789D, 0x0B),
array(0x662F, 0x0C),
array(0x6318, 0x0D),
array(0x6C41, 0x0E),
array(0x6976, 0x0F),
array(0x1689, 0x10),
array(0x13BE, 0x11),
array(0x1CE7, 0x12),
array(0x19D0, 0x13),
array(0x0762, 0x14),
array(0x0255, 0x15),
array(0x0D0C, 0x16),
array(0x083B, 0x17),
array(0x355F, 0x18),
array(0x3068, 0x19),
array(0x3F31, 0x1A),
array(0x3A06, 0x1B),
array(0x24B4, 0x1C),
array(0x2183, 0x1D),
array(0x2EDA, 0x1E),
array(0x2BED, 0x1F),
);
/**
* @param $maskedFormatInfo1 ; format info indicator, with mask still applied
* @param $maskedFormatInfo2 ; second copy of same info; both are checked at the same time
* to establish best match
*
* @return information about the format it specifies, or {@code null}
* if doesn't seem to match any known pattern
*/
public static function decodeFormatInformation($maskedFormatInfo1, $maskedFormatInfo2)
{
$formatInfo = self::doDecodeFormatInformation($maskedFormatInfo1, $maskedFormatInfo2);
if ($formatInfo != null) {
return $formatInfo;
}
// Should return null, but, some QR codes apparently
// do not mask this info. Try again by actually masking the pattern
// first
return self::doDecodeFormatInformation(
$maskedFormatInfo1 ^ self::$FORMAT_INFO_MASK_QR,
$maskedFormatInfo2 ^ self::$FORMAT_INFO_MASK_QR
);
}
}
private function __construct($formatInfo) {
// Bits 3,4
$this->errorCorrectionLevel = ErrorCorrectionLevel::forBits(($formatInfo >> 3) & 0x03);
// Bottom 3 bits
$this->dataMask = ($formatInfo & 0x07);//(byte)
}
private static function doDecodeFormatInformation($maskedFormatInfo1, $maskedFormatInfo2)
{
// Find the int in FORMAT_INFO_DECODE_LOOKUP with fewest bits differing
$bestDifference = PHP_INT_MAX;
$bestFormatInfo = 0;
foreach (self::$FORMAT_INFO_DECODE_LOOKUP as $decodeInfo) {
$targetInfo = $decodeInfo[0];
if ($targetInfo == $maskedFormatInfo1 || $targetInfo == $maskedFormatInfo2) {
// Found an exact match
return new FormatInformation($decodeInfo[1]);
}
$bitsDifference = self::numBitsDiffering($maskedFormatInfo1, $targetInfo);
if ($bitsDifference < $bestDifference) {
$bestFormatInfo = $decodeInfo[1];
$bestDifference = $bitsDifference;
}
if ($maskedFormatInfo1 != $maskedFormatInfo2) {
// also try the other option
$bitsDifference = self::numBitsDiffering($maskedFormatInfo2, $targetInfo);
if ($bitsDifference < $bestDifference) {
$bestFormatInfo = $decodeInfo[1];
$bestDifference = $bitsDifference;
}
}
}
// Hamming distance of the 32 masked codes is 7, by construction, so <= 3 bits
// differing means we found a match
if ($bestDifference <= 3) {
return new FormatInformation($bestFormatInfo);
}
static function numBitsDiffering($a, $b) {
$a ^= $b; // a now has a 1 bit exactly where its bit differs with b's
// Count bits set quickly with a series of lookups:
return self::$BITS_SET_IN_HALF_BYTE[$a & 0x0F] +
self::$BITS_SET_IN_HALF_BYTE[intval(uRShift($a, 4) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a ,8) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a , 12) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 16) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a , 20) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 24) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a ,28) & 0x0F)];
}
return null;
}
/**
* @param maskedFormatInfo1; format info indicator, with mask still applied
* @param maskedFormatInfo2; second copy of same info; both are checked at the same time
* to establish best match
* @return information about the format it specifies, or {@code null}
* if doesn't seem to match any known pattern
*/
static function decodeFormatInformation($maskedFormatInfo1, $maskedFormatInfo2) {
$formatInfo = self::doDecodeFormatInformation($maskedFormatInfo1, $maskedFormatInfo2);
if ($formatInfo != null) {
return $formatInfo;
}
// Should return null, but, some QR codes apparently
// do not mask this info. Try again by actually masking the pattern
// first
return self::doDecodeFormatInformation($maskedFormatInfo1 ^ self::$FORMAT_INFO_MASK_QR,
$maskedFormatInfo2 ^ self::$FORMAT_INFO_MASK_QR);
}
public static function numBitsDiffering($a, $b)
{
$a ^= $b; // a now has a 1 bit exactly where its bit differs with b's
// Count bits set quickly with a series of lookups:
return self::$BITS_SET_IN_HALF_BYTE[$a & 0x0F] +
self::$BITS_SET_IN_HALF_BYTE[(int)(uRShift($a, 4) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 8) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 12) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 16) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 20) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 24) & 0x0F)] +
self::$BITS_SET_IN_HALF_BYTE[(uRShift($a, 28) & 0x0F)];
}
private static function doDecodeFormatInformation($maskedFormatInfo1, $maskedFormatInfo2) {
// Find the int in FORMAT_INFO_DECODE_LOOKUP with fewest bits differing
$bestDifference = PHP_INT_MAX;
$bestFormatInfo = 0;
foreach (self::$FORMAT_INFO_DECODE_LOOKUP as $decodeInfo ) {
$targetInfo = $decodeInfo[0];
if ($targetInfo == $maskedFormatInfo1 || $targetInfo == $maskedFormatInfo2) {
// Found an exact match
return new FormatInformation($decodeInfo[1]);
}
$bitsDifference = self::numBitsDiffering($maskedFormatInfo1, $targetInfo);
if ($bitsDifference < $bestDifference) {
$bestFormatInfo = $decodeInfo[1];
$bestDifference = $bitsDifference;
}
if ($maskedFormatInfo1 != $maskedFormatInfo2) {
// also try the other option
$bitsDifference = self::numBitsDiffering($maskedFormatInfo2, $targetInfo);
if ($bitsDifference < $bestDifference) {
$bestFormatInfo = $decodeInfo[1];
$bestDifference = $bitsDifference;
}
}
}
// Hamming distance of the 32 masked codes is 7, by construction, so <= 3 bits
// differing means we found a match
if ($bestDifference <= 3) {
return new FormatInformation($bestFormatInfo);
}
return null;
}
public function getErrorCorrectionLevel()
{
return $this->errorCorrectionLevel;
}
function getErrorCorrectionLevel() {
return $this->errorCorrectionLevel;
}
public function getDataMask()
{
return $this->dataMask;
}
function getDataMask() {
return $this->dataMask;
}
//@Override
public function hashCode()
{
return ($this->errorCorrectionLevel->ordinal() << 3) | (int)($this->dataMask);
}
//@Override
public function hashCode() {
return ($this->errorCorrectionLevel->ordinal() << 3) | intval($this->dataMask);
}
//@Override
public function equals($o) {
if (!($o instanceof FormatInformation)) {
return false;
}
$other =$o;
return $this->errorCorrectionLevel == $other->errorCorrectionLevel &&
$this->dataMask == $other->dataMask;
}
//@Override
public function equals($o)
{
if (!($o instanceof FormatInformation)) {
return false;
}
$other = $o;
return $this->errorCorrectionLevel == $other->errorCorrectionLevel &&
$this->dataMask == $other->dataMask;
}
}
FormatInformation::Init();
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/Mode.php
Vendored
+76 -86
View File
@@ -23,96 +23,86 @@ namespace Zxing\Qrcode\Decoder;
*
* @author Sean Owen
*/
class Mode {
static $TERMINATOR;
static $NUMERIC;
static $ALPHANUMERIC;
static $STRUCTURED_APPEND;
static $BYTE;
static $ECI;
static $KANJI;
static $FNC1_FIRST_POSITION;
static $FNC1_SECOND_POSITION;
static $HANZI;
class Mode
{
public static $TERMINATOR;
public static $NUMERIC;
public static $ALPHANUMERIC;
public static $STRUCTURED_APPEND;
public static $BYTE;
public static $ECI;
public static $KANJI;
public static $FNC1_FIRST_POSITION;
public static $FNC1_SECOND_POSITION;
public static $HANZI;
public function __construct(private $characterCountBitsForVersions, private $bits)
{
}
private $characterCountBitsForVersions;
private $bits;
public static function Init(): void
{
self::$TERMINATOR = new Mode([0, 0, 0], 0x00); // Not really a mode...
self::$NUMERIC = new Mode([10, 12, 14], 0x01);
self::$ALPHANUMERIC = new Mode([9, 11, 13], 0x02);
self::$STRUCTURED_APPEND = new Mode([0, 0, 0], 0x03); // Not supported
self::$BYTE = new Mode([8, 16, 16], 0x04);
self::$ECI = new Mode([0, 0, 0], 0x07); // character counts don't apply
self::$KANJI = new Mode([8, 10, 12], 0x08);
self::$FNC1_FIRST_POSITION = new Mode([0, 0, 0], 0x05);
self::$FNC1_SECOND_POSITION = new Mode([0, 0, 0], 0x09);
/** See GBT 18284-2000; "Hanzi" is a transliteration of this mode name. */
self::$HANZI = new Mode([8, 10, 12], 0x0D);
}
function __construct($characterCountBitsForVersions, $bits) {
$this->characterCountBitsForVersions = $characterCountBitsForVersions;
$this->bits = $bits;
}
static function Init()
{
/**
* @param four $bits bits encoding a QR Code data mode
*
* @return Mode encoded by these bits
* @throws InvalidArgumentException if bits do not correspond to a known mode
*/
public static function forBits($bits)
{
return match ($bits) {
0x0 => self::$TERMINATOR,
0x1 => self::$NUMERIC,
0x2 => self::$ALPHANUMERIC,
0x3 => self::$STRUCTURED_APPEND,
0x4 => self::$BYTE,
0x5 => self::$FNC1_FIRST_POSITION,
0x7 => self::$ECI,
0x8 => self::$KANJI,
0x9 => self::$FNC1_SECOND_POSITION,
0xD => self::$HANZI,
default => throw new \InvalidArgumentException(),
};
}
/**
* @param version $version in question
*
* @return number of bits used, in this QR Code symbol {@link Version}, to encode the
* count of characters that will follow encoded in this Mode
*/
public function getCharacterCountBits($version)
{
$number = $version->getVersionNumber();
$offset = 0;
if ($number <= 9) {
$offset = 0;
} elseif ($number <= 26) {
$offset = 1;
} else {
$offset = 2;
}
self::$TERMINATOR = new Mode(array(0, 0, 0), 0x00); // Not really a mode...
self::$NUMERIC = new Mode(array(10, 12, 14), 0x01);
self::$ALPHANUMERIC = new Mode(array(9, 11, 13), 0x02);
self::$STRUCTURED_APPEND = new Mode(array(0, 0, 0), 0x03); // Not supported
self::$BYTE = new Mode(array(8, 16, 16), 0x04);
self::$ECI = new Mode(array(0, 0, 0), 0x07); // character counts don't apply
self::$KANJI = new Mode(array(8, 10, 12), 0x08);
self::$FNC1_FIRST_POSITION = new Mode(array(0, 0, 0), 0x05);
self::$FNC1_SECOND_POSITION =new Mode(array(0, 0, 0), 0x09);
/** See GBT 18284-2000; "Hanzi" is a transliteration of this mode name. */
self::$HANZI = new Mode(array(8, 10, 12), 0x0D);
}
/**
* @param bits four bits encoding a QR Code data mode
* @return Mode encoded by these bits
* @throws IllegalArgumentException if bits do not correspond to a known mode
*/
public static function forBits($bits) {
switch ($bits) {
case 0x0:
return self::$TERMINATOR;
case 0x1:
return self::$NUMERIC;
case 0x2:
return self::$ALPHANUMERIC;
case 0x3:
return self::$STRUCTURED_APPEND;
case 0x4:
return self::$BYTE;
case 0x5:
return self::$FNC1_FIRST_POSITION;
case 0x7:
return self::$ECI;
case 0x8:
return self::$KANJI;
case 0x9:
return self::$FNC1_SECOND_POSITION;
case 0xD:
// 0xD is defined in GBT 18284-2000, may not be supported in foreign country
return self::$HANZI;
default:
throw new \InvalidArgumentException();
}
}
/**
* @param version version in question
* @return number of bits used, in this QR Code symbol {@link Version}, to encode the
* count of characters that will follow encoded in this Mode
*/
public function getCharacterCountBits($version) {
$number = $version->getVersionNumber();
$offset = 0;
if ($number <= 9) {
$offset = 0;
} else if ($number <= 26) {
$offset = 1;
} else {
$offset = 2;
}
return $this->characterCountBitsForVersions[$offset];
}
public function getBits() {
return $this->bits;
}
return $this->characterCountBitsForVersions[$offset];
}
public function getBits()
{
return $this->bits;
}
}
Mode::Init();
Mode::Init();
vendor/khanamiryan/qrcode-detector-decoder/lib/qrcode/decoder/Version.php
Vendored
+644 -548
View File
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