zx/vendor/khanamiryan/qrcode-detector-decoder/lib/Common/BitMatrix.php

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2024-07-02 15:32:59 +08:00
<?php
namespace Zxing\Common;
final class BitMatrix
{
private $width;
private $height;
private $rowSize;
/**
* @var mixed|int[]
*/
private $bits;
public function __construct($width, $height = false, $rowSize = false, $bits = false)
{
if (!$height) {
$height = $width;
}
if (!$rowSize) {
$rowSize = (int)(($width + 31) / 32);
}
if (!$bits) {
$bits = fill_array(0, $rowSize * $height, 0);
// [];//new int[rowSize * height];
}
$this->width = $width;
$this->height = $height;
$this->rowSize = $rowSize;
$this->bits = $bits;
}
public static function parse($stringRepresentation, $setString, $unsetString)
{
if (!$stringRepresentation) {
throw new \InvalidArgumentException();
}
$bits = [];
$bitsPos = 0;
$rowStartPos = 0;
$rowLength = -1;
$nRows = 0;
$pos = 0;
while ($pos < strlen((string) $stringRepresentation)) {
if ($stringRepresentation[$pos] == '\n' ||
$stringRepresentation->{$pos} == '\r') {
if ($bitsPos > $rowStartPos) {
if ($rowLength == -1) {
$rowLength = $bitsPos - $rowStartPos;
} elseif ($bitsPos - $rowStartPos != $rowLength) {
throw new \InvalidArgumentException("row lengths do not match");
}
$rowStartPos = $bitsPos;
$nRows++;
}
$pos++;
} elseif (substr((string) $stringRepresentation, $pos, strlen((string) $setString)) == $setString) {
$pos += strlen((string) $setString);
$bits[$bitsPos] = true;
$bitsPos++;
} elseif (substr((string) $stringRepresentation, $pos + strlen((string) $unsetString)) == $unsetString) {
$pos += strlen((string) $unsetString);
$bits[$bitsPos] = false;
$bitsPos++;
} else {
throw new \InvalidArgumentException(
"illegal character encountered: " . substr((string) $stringRepresentation, $pos)
);
}
}
// no EOL at end?
if ($bitsPos > $rowStartPos) {
if ($rowLength == -1) {
$rowLength = $bitsPos - $rowStartPos;
} elseif ($bitsPos - $rowStartPos != $rowLength) {
throw new \InvalidArgumentException("row lengths do not match");
}
$nRows++;
}
$matrix = new BitMatrix($rowLength, $nRows);
for ($i = 0; $i < $bitsPos; $i++) {
if ($bits[$i]) {
$matrix->set($i % $rowLength, $i / $rowLength);
}
}
return $matrix;
}
/**
* <p>Sets the given bit to true.</p>
*
* @param $x ; The horizontal component (i.e. which column)
* @param $y ; The vertical component (i.e. which row)
*/
public function set($x, $y): void
{
$offset = (int)($y * $this->rowSize + ($x / 32));
if (!isset($this->bits[$offset])) {
$this->bits[$offset] = 0;
}
//$this->bits[$offset] = $this->bits[$offset];
// if($this->bits[$offset]>200748364){
//$this->bits= array(0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-16777216,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-1090519040,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,1056964608,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,-1358954496,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,117440512,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,50331648,-1,-1,-1,-1,65535,0,0,0,0,0,0,0,33554432,-1,-1,536870911,-4096,65279,0,0,0,0,0,0,0,0,-1,-1,65535,-4096,65535,0,0,0,0,0,0,0,0,-193,536870911,0,-4096,65279,0,0,0,0,0,0,0,0,-254,32767,0,-4096,61951,0,0,0,0,0,0,0,0,20913920,0,0,-4096,50175,0,0,0,0,0,0,0,0,0,0,0,-4096,60159,0,0,0,0,0,0,0,0,0,0,0,-4096,64255,0,0,0,0,0,0,0,0,0,0,0,-8192,56319,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,0,0,0,0,-4096,16777215,0,0,0,0,0,0,0,251658240,0,0,0,-4096,-1,255,0,256,0,0,0,0,117440512,0,0,0,-4096,-1,255,0,512,0,0,0,0,117440512,0,0,0,-4096,-1,255,0,1024,0,0,0,0,117440512,0,0,0,-4096,-1,223,0,256,0,0,0,0,117440512,0,0,33030144,-4096,-1,191,0,256,0,0,0,0,117440512,0,0,33554428,-4096,-1,255,0,768,0,0,0,0,117440512,0,402849792,67108862,-8192,-1,255,0,768,0,0,0,0,117440512,0,470278396,63045630,-8192,-1,255,0,256,0,0,0,0,251658240,-8388608,470278399,58720286,-8192,-1,2686975,0,3842,0,0,0,0,251658240,-131072,1007149567,58720286,-8192,-1,2031615,0,3879,0,0,0,0,251658240,536739840,1007092192,58720286,-8192,-1,851967,0,3840,0,0,0,0,251658240,917504,1007092192,58720284,-8192,-1,2031615,0,3968,0,0,0,0,251658240,917504,1007092160,59244060,-8192,-1,65535,0,7936,0,0,0,0,251658240,917504,1009779136,59244060,-8192,-1,9371647,0,1792,0,0,0,0,251658240,917504,946921920,59244060,-8192,-1,8585215,0,1792,0,0,0,0,117440512,-15859712,477159875,59244060,-8192,-1,65535,0,12032,0,0,0,0,251658240,-15859712,52490691,59244060,-8192,-1,-1,0,65408,0,0,0,0,251658240,-15859712,58778051,59244060,-8192,-1,-1,0,65473,0,0,0,0,251658240,-15859712,125886915,59244060,-8192,-1,-1,0,65472,0,0,0,0,251658240,-15859712,58778051,59244060,-8192,-1,-1,0,65408,0,0,0,0,251658240,-15859712,8380867,59244060,-8192,-1,-1,0,65473,0,0,0,0,251658240,-15859712,8380867,59244060,-8192,-1,-1,0,131011,0,0,0,0,251658240,-15859712,8380867,58720284,-8192,-1,-1,0,130947,0,0,0,0,251658240,-15859712,2089411,58720284,-8192,-1,-1,0,130947,0,0,0,0,251658240,-32636928,449,58720284,-8192,-1,-1,33554431,131015,0,0,0,0,251658240,786432,448,62914588,-8192,-1,-1,16777215,131015,0,0,0,0,251658240,786432,448,67108860,-8192,-1,-1,553648127,131015,0,0,0,0,251658240,786432,946864576,67108860,-8192,-1,-1,32505855,131015,0,0,0,0,251658240,786432,946921976,8388604,-8192,-1,-1,8191999,131015,0,0,0,0,251658240,-262144,946921983,248,-8192,-1,-1,8126463,196551,0,0,0,0,251658240,-262144,7397887,0,-8192,-1,-1,16777215,262087,0,0,0,0,251658240,-262144,8257543,0,-8192,-1,-1,-2121269249,262095,0,0,0,0,520093696,0,8257536,0,-8192,-1,-1,-201326593,262095,0,0,0,0,520290304,0,8257536,117963776,-8192,-1,-1,-201326593,262095,0,0,0,0,520093696,0,-2140143616,118488579,-8192,-1,-1,-201326593,131023,0,0,0,0,520093696,0,-2131697280,118488579,-8192,-1,-1,-503316481,131023,0,0,0,0,520093696,2145386496,-2131631232,118484995,-16384,-1,-1,-469762049,262095,0,0,0,0,520093696,2147221504,552649600,118481344,-16384,-1,-1,-469762049,131023,0,0,0,0,520290304,2147221504,2029002240,118481344,-16384,-1,-1,-469762049,262031,0,0,0,0,520290304,-266600448,2029001791,125952960,-16384,-1,-1,-469762049,262031,0,0,0,0,1057423360,-266600448,2027953215,133177312,-16384,-1,-1,-134217729,262111,0,0,0,0,1058471936,-266600448,-119531393,133177343,-16384,-1,-1,-134217729,262111,0,0,0,0,105
$bob = $this->bits[$offset];
$bob |= 1 << ($x & 0x1f);
$this->bits[$offset] |= ($bob);
//$this->bits[$offset] = intval32bits($this->bits[$offset]);
//}
//16777216
}
public function _unset($x, $y): void
{//было unset, php не позволяет использовать unset
$offset = (int)($y * $this->rowSize + ($x / 32));
$this->bits[$offset] &= ~(1 << ($x & 0x1f));
}
/**1 << (249 & 0x1f)
* <p>Flips the given bit.</p>
*
* @param $x ; The horizontal component (i.e. which column)
* @param $y ; The vertical component (i.e. which row)
*/
public function flip($x, $y): void
{
$offset = $y * $this->rowSize + (int)($x / 32);
$this->bits[$offset] = ($this->bits[$offset] ^ (1 << ($x & 0x1f)));
}
/**
* Exclusive-or (XOR): Flip the bit in this {@code BitMatrix} if the corresponding
* mask bit is set.
*
* @param $mask ; XOR mask
*/
public function _xor($mask)
{//было xor, php не позволяет использовать xor
if ($this->width != $mask->getWidth() || $this->height != $mask->getHeight()
|| $this->rowSize != $mask->getRowSize()) {
throw new \InvalidArgumentException("input matrix dimensions do not match");
}
$rowArray = new BitArray($this->width / 32 + 1);
for ($y = 0; $y < $this->height; $y++) {
$offset = $y * $this->rowSize;
$row = $mask->getRow($y, $rowArray)->getBitArray();
for ($x = 0; $x < $this->rowSize; $x++) {
$this->bits[$offset + $x] ^= $row[$x];
}
}
}
/**
* Clears all bits (sets to false).
*/
public function clear(): void
{
$max = is_countable($this->bits) ? count($this->bits) : 0;
for ($i = 0; $i < $max; $i++) {
$this->bits[$i] = 0;
}
}
/**
* <p>Sets a square region of the bit matrix to true.</p>
*
* @param $left ; The horizontal position to begin at (inclusive)
* @param $top ; The vertical position to begin at (inclusive)
* @param $width ; The width of the region
* @param $height ; The height of the region
*/
public function setRegion($left, $top, $width, $height)
{
if ($top < 0 || $left < 0) {
throw new \InvalidArgumentException("Left and top must be nonnegative");
}
if ($height < 1 || $width < 1) {
throw new \InvalidArgumentException("Height and width must be at least 1");
}
$right = $left + $width;
$bottom = $top + $height;
if ($bottom > $this->height || $right > $this->width) { //> this.height || right > this.width
throw new \InvalidArgumentException("The region must fit inside the matrix");
}
for ($y = $top; $y < $bottom; $y++) {
$offset = $y * $this->rowSize;
for ($x = $left; $x < $right; $x++) {
$this->bits[$offset + (int)($x / 32)] = ($this->bits[$offset + (int)($x / 32)] |= 1 << ($x & 0x1f));
}
}
}
/**
* Modifies this {@code BitMatrix} to represent the same but rotated 180 degrees
*/
public function rotate180(): void
{
$width = $this->getWidth();
$height = $this->getHeight();
$topRow = new BitArray($width);
$bottomRow = new BitArray($width);
for ($i = 0; $i < ($height + 1) / 2; $i++) {
$topRow = $this->getRow($i, $topRow);
$bottomRow = $this->getRow($height - 1 - $i, $bottomRow);
$topRow->reverse();
$bottomRow->reverse();
$this->setRow($i, $bottomRow);
$this->setRow($height - 1 - $i, $topRow);
}
}
/**
* @return float The width of the matrix
*/
public function getWidth()
{
return $this->width;
}
/**
* A fast method to retrieve one row of data from the matrix as a BitArray.
*
* @param $y ; The row to retrieve
* @param $row ; An optional caller-allocated BitArray, will be allocated if null or too small
*
* @return BitArray The resulting BitArray - this reference should always be used even when passing
* your own row
*/
public function getRow($y, $row)
{
if ($row == null || $row->getSize() < $this->width) {
$row = new BitArray($this->width);
} else {
$row->clear();
}
$offset = $y * $this->rowSize;
for ($x = 0; $x < $this->rowSize; $x++) {
$row->setBulk($x * 32, $this->bits[$offset + $x]);
}
return $row;
}
/**
* @param $y ; row to set
* @param $row ; {@link BitArray} to copy from
*/
public function setRow($y, $row): void
{
$this->bits = arraycopy($row->getBitArray(), 0, $this->bits, $y * $this->rowSize, $this->rowSize);
}
/**
* This is useful in detecting the enclosing rectangle of a 'pure' barcode.
*
* @return {@code left,top,width,height} enclosing rectangle of all 1 bits, or null if it is all white
*/
public function getEnclosingRectangle()
{
$left = $this->width;
$top = $this->height;
$right = -1;
$bottom = -1;
for ($y = 0; $y < $this->height; $y++) {
for ($x32 = 0; $x32 < $this->rowSize; $x32++) {
$theBits = $this->bits[$y * $this->rowSize + $x32];
if ($theBits != 0) {
if ($y < $top) {
$top = $y;
}
if ($y > $bottom) {
$bottom = $y;
}
if ($x32 * 32 < $left) {
$bit = 0;
while (($theBits << (31 - $bit)) == 0) {
$bit++;
}
if (($x32 * 32 + $bit) < $left) {
$left = $x32 * 32 + $bit;
}
}
if ($x32 * 32 + 31 > $right) {
$bit = 31;
while ((sdvig3($theBits, $bit)) == 0) {//>>>
$bit--;
}
if (($x32 * 32 + $bit) > $right) {
$right = $x32 * 32 + $bit;
}
}
}
}
}
$width = $right - $left;
$height = $bottom - $top;
if ($width < 0 || $height < 0) {
return null;
}
return [$left, $top, $width, $height];
}
/**
* This is useful in detecting a corner of a 'pure' barcode.
*
* @return {@code x,y} coordinate of top-left-most 1 bit, or null if it is all white
*/
public function getTopLeftOnBit()
{
$bitsOffset = 0;
while ($bitsOffset < (is_countable($this->bits) ? count($this->bits) : 0) && $this->bits[$bitsOffset] == 0) {
$bitsOffset++;
}
if ($bitsOffset == (is_countable($this->bits) ? count($this->bits) : 0)) {
return null;
}
$y = $bitsOffset / $this->rowSize;
$x = ($bitsOffset % $this->rowSize) * 32;
$theBits = $this->bits[$bitsOffset];
$bit = 0;
while (($theBits << (31 - $bit)) == 0) {
$bit++;
}
$x += $bit;
return [$x, $y];
}
public function getBottomRightOnBit()
{
$bitsOffset = (is_countable($this->bits) ? count($this->bits) : 0) - 1;
while ($bitsOffset >= 0 && $this->bits[$bitsOffset] == 0) {
$bitsOffset--;
}
if ($bitsOffset < 0) {
return null;
}
$y = $bitsOffset / $this->rowSize;
$x = ($bitsOffset % $this->rowSize) * 32;
$theBits = $this->bits[$bitsOffset];
$bit = 31;
while ((sdvig3($theBits, $bit)) == 0) {//>>>
$bit--;
}
$x += $bit;
return [$x, $y];
}
/**
* @return float The height of the matrix
*/
public function getHeight()
{
return $this->height;
}
/**
* @return int The row size of the matrix
*/
public function getRowSize()
{
return $this->rowSize;
}
public function equals($o)
{
if (!($o instanceof BitMatrix)) {
return false;
}
$other = $o;
return $this->width == $other->width
&& $this->height == $other->height
&& $this->rowSize == $other->rowSize
&& $this->bits === $other->bits;
}
//@Override
public function hashCode()
{
$hash = $this->width;
$hash = 31 * $hash + $this->width;
$hash = 31 * $hash + $this->height;
$hash = 31 * $hash + $this->rowSize;
$hash = 31 * $hash + hashCode($this->bits);
return $hash;
}
//@Override
public function toString($setString = '', $unsetString = '', $lineSeparator = '')
{
if (!$setString || !$unsetString) {
return (string)'X ' . ' ';
}
if ($lineSeparator && $lineSeparator !== "\n") {
return $this->toString_($setString, $unsetString, $lineSeparator);
}
return (string)($setString . $unsetString . "\n");
}
public function toString_($setString, $unsetString, $lineSeparator)
{
//$result = new StringBuilder(height * (width + 1));
$result = '';
for ($y = 0; $y < $this->height; $y++) {
for ($x = 0; $x < $this->width; $x++) {
$result .= ($this->get($x, $y) ? $setString : $unsetString);
}
$result .= ($lineSeparator);
}
return (string)$result;
}
/**
* @deprecated call {@link #toString(String,String)} only, which uses \n line separator always
*/
// @Deprecated
/**
* <p>Gets the requested bit, where true means black.</p>
*
* @param $x ; The horizontal component (i.e. which column)
* @param $y ; The vertical component (i.e. which row)
*
* @return value of given bit in matrix
*/
public function get($x, $y)
{
$offset = (int)($y * $this->rowSize + ($x / 32));
if (!isset($this->bits[$offset])) {
$this->bits[$offset] = 0;
}
// return (($this->bits[$offset] >> ($x & 0x1f)) & 1) != 0;
return (uRShift($this->bits[$offset], ($x & 0x1f)) & 1) != 0;//было >>> вместо >>, не знаю как эмулировать беззнаковый сдвиг
}
// @Override
public function _clone(): \Zxing\Common\BitMatrix
{
return new BitMatrix($this->width, $this->height, $this->rowSize, $this->bits);
}
}