Upgrade 1-11.38

This commit is contained in:
xesmyd
2026-03-30 14:10:30 +02:00
parent f2a7e6d1fc
commit ac648ef29d
24665 changed files with 69682 additions and 2205004 deletions
@@ -25,36 +25,38 @@ use Zxing\ResultPoint;
*
* @author Sean Owen
*/
final class AlignmentPattern extends ResultPoint {
final class AlignmentPattern extends ResultPoint
{
public function __construct($posX, $posY, private $estimatedModuleSize)
{
parent::__construct($posX, $posY);
}
private $estimatedModuleSize;
/**
* <p>Determines if this alignment pattern "about equals" an alignment pattern at the stated
* position and size -- meaning, it is at nearly the same center with nearly the same size.</p>
*/
public function aboutEquals($moduleSize, $i, $j)
{
if (abs($i - $this->getY()) <= $moduleSize && abs($j - $this->getX()) <= $moduleSize) {
$moduleSizeDiff = abs($moduleSize - $this->estimatedModuleSize);
function __construct($posX, $posY, $estimatedModuleSize) {
parent::__construct($posX, $posY);
$this->estimatedModuleSize = $estimatedModuleSize;
return $moduleSizeDiff <= 1.0 || $moduleSizeDiff <= $this->estimatedModuleSize;
}
return false;
}
/**
* Combines this object's current estimate of a finder pattern position and module size
* with a new estimate. It returns a new {@code FinderPattern} containing an average of the two.
*/
public function combineEstimate($i, $j, $newModuleSize): \Zxing\Qrcode\Detector\AlignmentPattern
{
$combinedX = ($this->getX() + $j) / 2.0;
$combinedY = ($this->getY() + $i) / 2.0;
$combinedModuleSize = ($this->estimatedModuleSize + $newModuleSize) / 2.0;
return new AlignmentPattern($combinedX, $combinedY, $combinedModuleSize);
}
}
/**
* <p>Determines if this alignment pattern "about equals" an alignment pattern at the stated
* position and size -- meaning, it is at nearly the same center with nearly the same size.</p>
*/
function aboutEquals($moduleSize, $i, $j) {
if (abs($i - $this->getY()) <= $moduleSize && abs($j - $this->getX()) <= $moduleSize) {
$moduleSizeDiff = abs($moduleSize - $this->estimatedModuleSize);
return $moduleSizeDiff <= 1.0 || $moduleSizeDiff <= $this->estimatedModuleSize;
}
return false;
}
/**
* Combines this object's current estimate of a finder pattern position and module size
* with a new estimate. It returns a new {@code FinderPattern} containing an average of the two.
*/
function combineEstimate($i, $j, $newModuleSize) {
$combinedX = ($this->getX() + $j) / 2.0;
$combinedY = ($this->getY() + $i) / 2.0;
$combinedModuleSize = ($this->estimatedModuleSize + $newModuleSize) / 2.0;
return new AlignmentPattern($combinedX, $combinedY, $combinedModuleSize);
}
}
@@ -18,9 +18,6 @@
namespace Zxing\Qrcode\Detector;
use Zxing\NotFoundException;
use Zxing\ResultPointCallback;
use Zxing\Common\BitMatrix;
/**
* <p>This class attempts to find alignment patterns in a QR Code. Alignment patterns look like finder
@@ -36,242 +33,233 @@ use Zxing\Common\BitMatrix;
*
* @author Sean Owen
*/
final class AlignmentPatternFinder {
final class AlignmentPatternFinder
{
private array $possibleCenters = [];
private array $crossCheckStateCount = [];
private $image;
private $possibleCenters;
private $startX;
private $startY;
private $width;
private $height;
private $moduleSize;
private $crossCheckStateCount;
private $resultPointCallback;
/**
* <p>Creates a finder that will look in a portion of the whole image.</p>
*
* @param \Imagick image $image to search
* @param int left $startX column from which to start searching
* @param int top $startY row from which to start searching
* @param float width $width of region to search
* @param float height $height of region to search
* @param float estimated $moduleSize module size so far
*/
public function __construct(private $image, private $startX, private $startY, private $width, private $height, private $moduleSize, private $resultPointCallback)
{
}
/**
* <p>Creates a finder that will look in a portion of the whole image.</p>
*
* @param image image to search
* @param startX left column from which to start searching
* @param startY top row from which to start searching
* @param width width of region to search
* @param height height of region to search
* @param moduleSize estimated module size so far
*/
function __construct($image,
$startX,
$startY,
$width,
$height,
$moduleSize,
$resultPointCallback) {
$this->image = $image;
$this->possibleCenters = array();
$this->startX = $startX;
$this->startY = $startY;
$this->width = $width;
$this->height = $height;
$this->moduleSize = $moduleSize;
$this->crossCheckStateCount = array();
$this->resultPointCallback = $resultPointCallback;
}
/**
* <p>This method attempts to find the bottom-right alignment pattern in the image. It is a bit messy since
* it's pretty performance-critical and so is written to be fast foremost.</p>
*
* @return {@link AlignmentPattern} if found
* @throws NotFoundException if not found
*/
public function find()
{
$startX = $this->startX;
$height = $this->height;
$maxJ = $startX + $this->width;
$middleI = $this->startY + ($height / 2);
// We are looking for black/white/black modules in 1:1:1 ratio;
// this tracks the number of black/white/black modules seen so far
$stateCount = [];
for ($iGen = 0; $iGen < $height; $iGen++) {
// Search from middle outwards
$i = $middleI + (($iGen & 0x01) == 0 ? ($iGen + 1) / 2 : -(($iGen + 1) / 2));
$i = (int)($i);
$stateCount[0] = 0;
$stateCount[1] = 0;
$stateCount[2] = 0;
$j = $startX;
// Burn off leading white pixels before anything else; if we start in the middle of
// a white run, it doesn't make sense to count its length, since we don't know if the
// white run continued to the left of the start point
while ($j < $maxJ && !$this->image->get($j, $i)) {
$j++;
}
$currentState = 0;
while ($j < $maxJ) {
if ($this->image->get($j, $i)) {
// Black pixel
if ($currentState == 1) { // Counting black pixels
$stateCount[$currentState]++;
} else { // Counting white pixels
if ($currentState == 2) { // A winner?
if ($this->foundPatternCross($stateCount)) { // Yes
$confirmed = $this->handlePossibleCenter($stateCount, $i, $j);
if ($confirmed != null) {
return $confirmed;
}
}
$stateCount[0] = $stateCount[2];
$stateCount[1] = 1;
$stateCount[2] = 0;
$currentState = 1;
} else {
$stateCount[++$currentState]++;
}
}
} else { // White pixel
if ($currentState == 1) { // Counting black pixels
$currentState++;
}
$stateCount[$currentState]++;
}
$j++;
}
if ($this->foundPatternCross($stateCount)) {
$confirmed = $this->handlePossibleCenter($stateCount, $i, $maxJ);
if ($confirmed != null) {
return $confirmed;
}
}
}
/**
* <p>This method attempts to find the bottom-right alignment pattern in the image. It is a bit messy since
* it's pretty performance-critical and so is written to be fast foremost.</p>
*
* @return {@link AlignmentPattern} if found
* @throws NotFoundException if not found
*/
function find() {
$startX = $this->startX;
$height = $this->height;
$maxJ = $startX + $this->width;
$middleI = $this->startY + ($height / 2);
// We are looking for black/white/black modules in 1:1:1 ratio;
// this tracks the number of black/white/black modules seen so far
$stateCount = array();
for ($iGen = 0; $iGen < $height; $iGen++) {
// Search from middle outwards
$i = $middleI + (($iGen & 0x01) == 0 ? ($iGen + 1) / 2 : -(($iGen + 1) / 2));
$i = intval($i);
$stateCount[0] = 0;
$stateCount[1] = 0;
$stateCount[2] = 0;
$j = $startX;
// Burn off leading white pixels before anything else; if we start in the middle of
// a white run, it doesn't make sense to count its length, since we don't know if the
// white run continued to the left of the start point
while ($j < $maxJ && !$this->image->get($j, $i)) {
$j++;
}
$currentState = 0;
while ($j < $maxJ) {
if ($this->image->get($j, $i)) {
// Black pixel
if ($currentState == 1) { // Counting black pixels
$stateCount[$currentState]++;
} else { // Counting white pixels
if ($currentState == 2) { // A winner?
if ($this->foundPatternCross($stateCount)) { // Yes
$confirmed = $this->handlePossibleCenter($stateCount, $i, $j);
if ($confirmed != null) {
return $confirmed;
}
}
$stateCount[0] = $stateCount[2];
$stateCount[1] = 1;
$stateCount[2] = 0;
$currentState = 1;
} else {
$stateCount[++$currentState]++;
}
}
} else { // White pixel
if ($currentState == 1) { // Counting black pixels
$currentState++;
}
$stateCount[$currentState]++;
}
$j++;
}
if ($this->foundPatternCross($stateCount)) {
$confirmed = $this->handlePossibleCenter($stateCount, $i, $maxJ);
if ($confirmed != null) {
return $confirmed;
}
}
// Hmm, nothing we saw was observed and confirmed twice. If we had
// any guess at all, return it.
if (count($this->possibleCenters)) {
return $this->possibleCenters[0];
}
}
throw NotFoundException::getNotFoundInstance();
}
// Hmm, nothing we saw was observed and confirmed twice. If we had
// any guess at all, return it.
if (count($this->possibleCenters)) {
return $this->possibleCenters[0];
}
/**
* @param count $stateCount of black/white/black pixels just read
*
* @return true iff the proportions of the counts is close enough to the 1/1/1 ratios
* used by alignment patterns to be considered a match
*/
private function foundPatternCross($stateCount)
{
$moduleSize = $this->moduleSize;
$maxVariance = $moduleSize / 2.0;
for ($i = 0; $i < 3; $i++) {
if (abs($moduleSize - $stateCount[$i]) >= $maxVariance) {
return false;
}
}
throw NotFoundException::getNotFoundInstance();
}
return true;
}
/**
* Given a count of black/white/black pixels just seen and an end position,
* figures the location of the center of this black/white/black run.
*/
private static function centerFromEnd($stateCount, $end) {
return (float) ($end - $stateCount[2]) - $stateCount[1] / 2.0;
}
/**
* <p>This is called when a horizontal scan finds a possible alignment pattern. It will
* cross check with a vertical scan, and if successful, will see if this pattern had been
* found on a previous horizontal scan. If so, we consider it confirmed and conclude we have
* found the alignment pattern.</p>
*
* @param reading $stateCount state module counts from horizontal scan
* @param row $i where alignment pattern may be found
* @param end $j of possible alignment pattern in row
*
* @return {@link AlignmentPattern} if we have found the same pattern twice, or null if not
*/
private function handlePossibleCenter($stateCount, $i, $j)
{
$stateCountTotal = $stateCount[0] + $stateCount[1] + $stateCount[2];
$centerJ = self::centerFromEnd($stateCount, $j);
$centerI = $this->crossCheckVertical($i, (int)$centerJ, 2 * $stateCount[1], $stateCountTotal);
if (!is_nan($centerI)) {
$estimatedModuleSize = (float)($stateCount[0] + $stateCount[1] + $stateCount[2]) / 3.0;
foreach ($this->possibleCenters as $center) {
// Look for about the same center and module size:
if ($center->aboutEquals($estimatedModuleSize, $centerI, $centerJ)) {
return $center->combineEstimate($centerI, $centerJ, $estimatedModuleSize);
}
}
// Hadn't found this before; save it
$point = new AlignmentPattern($centerJ, $centerI, $estimatedModuleSize);
$this->possibleCenters[] = $point;
if ($this->resultPointCallback != null) {
$this->resultPointCallback->foundPossibleResultPoint($point);
}
}
/**
* @param stateCount count of black/white/black pixels just read
* @return true iff the proportions of the counts is close enough to the 1/1/1 ratios
* used by alignment patterns to be considered a match
*/
private function foundPatternCross($stateCount) {
$moduleSize = $this->moduleSize;
$maxVariance = $moduleSize / 2.0;
for ($i = 0; $i < 3; $i++) {
if (abs($moduleSize - $stateCount[$i]) >= $maxVariance) {
return false;
}
}
return true;
}
return null;
}
/**
* <p>After a horizontal scan finds a potential alignment pattern, this method
* "cross-checks" by scanning down vertically through the center of the possible
* alignment pattern to see if the same proportion is detected.</p>
*
* @param startI row where an alignment pattern was detected
* @param centerJ center of the section that appears to cross an alignment pattern
* @param maxCount maximum reasonable number of modules that should be
* observed in any reading state, based on the results of the horizontal scan
* @return vertical center of alignment pattern, or {@link Float#NaN} if not found
*/
private function crossCheckVertical($startI, $centerJ, $maxCount,
$originalStateCountTotal) {
$image = $this->image;
/**
* Given a count of black/white/black pixels just seen and an end position,
* figures the location of the center of this black/white/black run.
*/
private static function centerFromEnd($stateCount, $end)
{
return (float)($end - $stateCount[2]) - $stateCount[1] / 2.0;
}
$maxI = $image->getHeight();
$stateCount = $this->crossCheckStateCount;
$stateCount[0] = 0;
$stateCount[1] = 0;
$stateCount[2] = 0;
/**
* <p>After a horizontal scan finds a potential alignment pattern, this method
* "cross-checks" by scanning down vertically through the center of the possible
* alignment pattern to see if the same proportion is detected.</p>
*
* @param int row $startI where an alignment pattern was detected
* @param float center $centerJ of the section that appears to cross an alignment pattern
* @param int maximum $maxCount reasonable number of modules that should be
* observed in any reading state, based on the results of the horizontal scan
*
* @return float vertical center of alignment pattern, or {@link Float#NaN} if not found
*/
private function crossCheckVertical(
$startI,
$centerJ,
$maxCount,
$originalStateCountTotal
)
{
$image = $this->image;
// Start counting up from center
$i = $startI;
while ($i >= 0 && $image->get($centerJ, $i) && $stateCount[1] <= $maxCount) {
$stateCount[1]++;
$i--;
}
// If already too many modules in this state or ran off the edge:
if ($i < 0 || $stateCount[1] > $maxCount) {
return NAN;
}
while ($i >= 0 && !$image->get($centerJ, $i) && $stateCount[0] <= $maxCount) {
$stateCount[0]++;
$i--;
}
if ($stateCount[0] > $maxCount) {
return NAN;
}
$maxI = $image->getHeight();
$stateCount = $this->crossCheckStateCount;
$stateCount[0] = 0;
$stateCount[1] = 0;
$stateCount[2] = 0;
// Now also count down from center
$i = $startI + 1;
while ($i < $maxI && $image->get($centerJ, $i) && $stateCount[1] <= $maxCount) {
$stateCount[1]++;
$i++;
}
if ($i == $maxI || $stateCount[1] > $maxCount) {
return NAN;
}
while ($i < $maxI && !$image->get($centerJ, $i) && $stateCount[2] <= $maxCount) {
$stateCount[2]++;
$i++;
}
if ($stateCount[2] > $maxCount) {
return NAN;
}
// Start counting up from center
$i = $startI;
while ($i >= 0 && $image->get($centerJ, $i) && $stateCount[1] <= $maxCount) {
$stateCount[1]++;
$i--;
}
// If already too many modules in this state or ran off the edge:
if ($i < 0 || $stateCount[1] > $maxCount) {
return NAN;
}
while ($i >= 0 && !$image->get($centerJ, $i) && $stateCount[0] <= $maxCount) {
$stateCount[0]++;
$i--;
}
if ($stateCount[0] > $maxCount) {
return NAN;
}
$stateCountTotal = $stateCount[0] + $stateCount[1] + $stateCount[2];
if (5 * abs($stateCountTotal - $originalStateCountTotal) >= 2 * $originalStateCountTotal) {
return NAN;
}
// Now also count down from center
$i = $startI + 1;
while ($i < $maxI && $image->get($centerJ, $i) && $stateCount[1] <= $maxCount) {
$stateCount[1]++;
$i++;
}
if ($i == $maxI || $stateCount[1] > $maxCount) {
return NAN;
}
while ($i < $maxI && !$image->get($centerJ, $i) && $stateCount[2] <= $maxCount) {
$stateCount[2]++;
$i++;
}
if ($stateCount[2] > $maxCount) {
return NAN;
}
return $this->foundPatternCross($stateCount) ? $this->centerFromEnd($stateCount, $i) : NAN;
}
/**
* <p>This is called when a horizontal scan finds a possible alignment pattern. It will
* cross check with a vertical scan, and if successful, will see if this pattern had been
* found on a previous horizontal scan. If so, we consider it confirmed and conclude we have
* found the alignment pattern.</p>
*
* @param stateCount reading state module counts from horizontal scan
* @param i row where alignment pattern may be found
* @param j end of possible alignment pattern in row
* @return {@link AlignmentPattern} if we have found the same pattern twice, or null if not
*/
private function handlePossibleCenter($stateCount, $i, $j) {
$stateCountTotal = $stateCount[0] + $stateCount[1] + $stateCount[2];
$centerJ = $this->centerFromEnd($stateCount, $j);
$centerI = $this->crossCheckVertical($i, (int) $centerJ, 2 * $stateCount[1], $stateCountTotal);
if (!is_nan($centerI)) {
$estimatedModuleSize = (float) ($stateCount[0] + $stateCount[1] + $stateCount[2]) / 3.0;
foreach ($this->possibleCenters as $center) {
// Look for about the same center and module size:
if ($center->aboutEquals($estimatedModuleSize, $centerI, $centerJ)) {
return $center->combineEstimate($centerI, $centerJ, $estimatedModuleSize);
}
}
// Hadn't found this before; save it
$point = new AlignmentPattern($centerJ, $centerI, $estimatedModuleSize);
$this->possibleCenters[] = $point;
if ($this->resultPointCallback != null) {
$this->resultPointCallback->foundPossibleResultPoint($point);
}
}
return null;
}
$stateCountTotal = $stateCount[0] + $stateCount[1] + $stateCount[2];
if (5 * abs($stateCountTotal - $originalStateCountTotal) >= 2 * $originalStateCountTotal) {
return NAN;
}
return $this->foundPatternCross($stateCount) ? self::centerFromEnd($stateCount, $i) : NAN;
}
}
@@ -17,18 +17,16 @@
namespace Zxing\Qrcode\Detector;
use Zxing\DecodeHintType;
use Zxing\FormatException;
use Zxing\NotFoundException;
use Zxing\ResultPoint;
use Zxing\ResultPointCallback;
use Zxing\Common\BitMatrix;
use Zxing\Common\Detector\MathUtils;
use Zxing\Common\DetectorResult;
use Zxing\Common\GridSampler;
use Zxing\Common\PerspectiveTransform;
use Zxing\Common\Detector\MathUtils;
use Zxing\DecodeHintType;
use Zxing\FormatException;
use Zxing\NotFoundException;
use Zxing\Qrcode\Decoder\Version;
use Zxing\ResultPoint;
use Zxing\ResultPointCallback;
/**
* <p>Encapsulates logic that can detect a QR Code in an image, even if the QR Code
@@ -36,370 +34,395 @@ use Zxing\Qrcode\Decoder\Version;
*
* @author Sean Owen
*/
?>
<?php
class Detector {
class Detector
{
private $resultPointCallback;
private $image;
private $resultPointCallback;
public function __construct(private $image)
{
}
public function __construct($image) {
$this->image = $image;
}
/**
* <p>Detects a QR Code in an image.</p>
*
* @param array|null optional $hints hints to detector
*
* @return {@link DetectorResult} encapsulating results of detecting a QR Code
* @throws NotFoundException if QR Code cannot be found
* @throws FormatException if a QR Code cannot be decoded
*/
final public function detect($hints = null)
{/*Map<DecodeHintType,?>*/
protected final function getImage() {
return $this->image;
}
$resultPointCallback = $hints == null ? null :
$hints->get('NEED_RESULT_POINT_CALLBACK');
/* resultPointCallback = hints == null ? null :
(ResultPointCallback) hints.get(DecodeHintType.NEED_RESULT_POINT_CALLBACK);*/
$finder = new FinderPatternFinder($this->image, $resultPointCallback);
$info = $finder->find($hints);
protected final function getResultPointCallback() {
return $this->resultPointCallback;
}
return $this->processFinderPatternInfo($info);
}
/**
* <p>Detects a QR Code in an image.</p>
*
* @return {@link DetectorResult} encapsulating results of detecting a QR Code
* @throws NotFoundException if QR Code cannot be found
* @throws FormatException if a QR Code cannot be decoded
*/
final protected function processFinderPatternInfo($info): \Zxing\Common\DetectorResult
{
$topLeft = $info->getTopLeft();
$topRight = $info->getTopRight();
$bottomLeft = $info->getBottomLeft();
$moduleSize = (float)$this->calculateModuleSize($topLeft, $topRight, $bottomLeft);
if ($moduleSize < 1.0) {
throw NotFoundException::getNotFoundInstance();
}
$dimension = (int)self::computeDimension($topLeft, $topRight, $bottomLeft, $moduleSize);
$provisionalVersion = \Zxing\Qrcode\Decoder\Version::getProvisionalVersionForDimension($dimension);
$modulesBetweenFPCenters = $provisionalVersion->getDimensionForVersion() - 7;
/**
* <p>Detects a QR Code in an image.</p>
*
* @param hints optional hints to detector
* @return {@link DetectorResult} encapsulating results of detecting a QR Code
* @throws NotFoundException if QR Code cannot be found
* @throws FormatException if a QR Code cannot be decoded
*/
public final function detect($hints=null){/*Map<DecodeHintType,?>*/
$resultPointCallback = $hints == null ? null :
$hints->get('NEED_RESULT_POINT_CALLBACK');
/* resultPointCallback = hints == null ? null :
(ResultPointCallback) hints.get(DecodeHintType.NEED_RESULT_POINT_CALLBACK);*/
$finder = new FinderPatternFinder($this->image, $resultPointCallback);
$info = $finder->find($hints);
return $this->processFinderPatternInfo($info);
}
protected final function processFinderPatternInfo($info){
$topLeft = $info->getTopLeft();
$topRight = $info->getTopRight();
$bottomLeft = $info->getBottomLeft();
$moduleSize = (float) $this->calculateModuleSize($topLeft, $topRight, $bottomLeft);
if ($moduleSize < 1.0) {
throw NotFoundException::getNotFoundInstance();
}
$dimension =(int) $this->computeDimension($topLeft, $topRight, $bottomLeft, $moduleSize);
$provisionalVersion = Version::getProvisionalVersionForDimension($dimension);
$modulesBetweenFPCenters = $provisionalVersion->getDimensionForVersion() - 7;
$alignmentPattern = null;
// Anything above version 1 has an alignment pattern
if (count($provisionalVersion->getAlignmentPatternCenters())> 0) {
$alignmentPattern = null;
// Anything above version 1 has an alignment pattern
if ((is_countable($provisionalVersion->getAlignmentPatternCenters()) ? count($provisionalVersion->getAlignmentPatternCenters()) : 0) > 0) {
// Guess where a "bottom right" finder pattern would have been
$bottomRightX = $topRight->getX() - $topLeft->getX() + $bottomLeft->getX();
$bottomRightY = $topRight->getY() - $topLeft->getY() + $bottomLeft->getY();
$bottomRightX = $topRight->getX() - $topLeft->getX() + $bottomLeft->getX();
$bottomRightY = $topRight->getY() - $topLeft->getY() + $bottomLeft->getY();
// Estimate that alignment pattern is closer by 3 modules
// from "bottom right" to known top left location
$correctionToTopLeft = 1.0 - 3.0 / (float) $modulesBetweenFPCenters;
$estAlignmentX = (int) ($topLeft->getX() + $correctionToTopLeft * ($bottomRightX - $topLeft->getX()));
$estAlignmentY = (int) ($topLeft->getY() + $correctionToTopLeft * ($bottomRightY - $topLeft->getY()));
// Estimate that alignment pattern is closer by 3 modules
// from "bottom right" to known top left location
$correctionToTopLeft = 1.0 - 3.0 / (float)$modulesBetweenFPCenters;
$estAlignmentX = (int)($topLeft->getX() + $correctionToTopLeft * ($bottomRightX - $topLeft->getX()));
$estAlignmentY = (int)($topLeft->getY() + $correctionToTopLeft * ($bottomRightY - $topLeft->getY()));
// Kind of arbitrary -- expand search radius before giving up
for ($i = 4; $i <= 16; $i <<= 1) {//??????????
try {
$alignmentPattern = $this->findAlignmentInRegion($moduleSize,
$estAlignmentX,
$estAlignmentY,
(float) $i);
break;
} catch (NotFoundException $re) {
// try next round
}
}
// If we didn't find alignment pattern... well try anyway without it
}
// Kind of arbitrary -- expand search radius before giving up
for ($i = 4; $i <= 16; $i <<= 1) {//??????????
try {
$alignmentPattern = $this->findAlignmentInRegion(
$moduleSize,
$estAlignmentX,
$estAlignmentY,
(float)$i
);
break;
} catch (NotFoundException) {
// try next round
}
}
// If we didn't find alignment pattern... well try anyway without it
}
$transform =
$this->createTransform($topLeft, $topRight, $bottomLeft, $alignmentPattern, $dimension);
$transform = self::createTransform($topLeft, $topRight, $bottomLeft, $alignmentPattern, $dimension);
$bits = $this->sampleGrid($this->image, $transform, $dimension);
$bits = self::sampleGrid($this->image, $transform, $dimension);
$points = array();
if ($alignmentPattern == null) {
$points = array($bottomLeft, $topLeft, $topRight);
} else {
// die('$points = new ResultPoint[]{bottomLeft, topLeft, topRight, alignmentPattern};');
$points = array($bottomLeft, $topLeft, $topRight, $alignmentPattern);
}
return new DetectorResult($bits, $points);
}
$points = [];
if ($alignmentPattern == null) {
$points = [$bottomLeft, $topLeft, $topRight];
} else {
// die('$points = new ResultPoint[]{bottomLeft, topLeft, topRight, alignmentPattern};');
$points = [$bottomLeft, $topLeft, $topRight, $alignmentPattern];
}
private static function createTransform($topLeft,
$topRight,
$bottomLeft,
$alignmentPattern,
$dimension) {
$dimMinusThree = (float) $dimension - 3.5;
$bottomRightX = 0.0;
$bottomRightY = 0.0;
$sourceBottomRightX = 0.0;
$sourceBottomRightY = 0.0;
if ($alignmentPattern != null) {
$bottomRightX = $alignmentPattern->getX();
$bottomRightY = $alignmentPattern->getY();
$sourceBottomRightX = $dimMinusThree - 3.0;
$sourceBottomRightY = $sourceBottomRightX;
} else {
// Don't have an alignment pattern, just make up the bottom-right point
$bottomRightX = ($topRight->getX() - $topLeft->getX()) + $bottomLeft->getX();
$bottomRightY = ($topRight->getY() - $topLeft->getY()) + $bottomLeft->getY();
$sourceBottomRightX = $dimMinusThree;
$sourceBottomRightY = $dimMinusThree;
}
return new DetectorResult($bits, $points);
}
return PerspectiveTransform::quadrilateralToQuadrilateral(
3.5,
3.5,
$dimMinusThree,
3.5,
$sourceBottomRightX,
$sourceBottomRightY,
3.5,
$dimMinusThree,
$topLeft->getX(),
$topLeft->getY(),
$topRight->getX(),
$topRight->getY(),
$bottomRightX,
$bottomRightY,
$bottomLeft->getX(),
$bottomLeft->getY());
}
/**
* <p>Detects a QR Code in an image.</p>
*
* @return {@link DetectorResult} encapsulating results of detecting a QR Code
* @throws NotFoundException if QR Code cannot be found
* @throws FormatException if a QR Code cannot be decoded
*/
private static function sampleGrid($image, $transform,
$dimension) {
/**
* <p>Computes an average estimated module size based on estimated derived from the positions
* of the three finder patterns.</p>
*
* @param detected $topLeft top-left finder pattern center
* @param detected $topRight top-right finder pattern center
* @param detected $bottomLeft bottom-left finder pattern center
*
* @return estimated module size
*/
final protected function calculateModuleSize($topLeft, $topRight, $bottomLeft)
{
// Take the average
return ($this->calculateModuleSizeOneWay($topLeft, $topRight) +
$this->calculateModuleSizeOneWay($topLeft, $bottomLeft)) / 2.0;
}
$sampler = GridSampler::getInstance();
return $sampler->sampleGrid_($image, $dimension, $dimension, $transform);
}
/**
* <p>Estimates module size based on two finder patterns -- it uses
* {@link #sizeOfBlackWhiteBlackRunBothWays(int, int, int, int)} to figure the
* width of each, measuring along the axis between their centers.</p>
*/
private function calculateModuleSizeOneWay($pattern, $otherPattern)
{
$moduleSizeEst1 = $this->sizeOfBlackWhiteBlackRunBothWays(
$pattern->getX(),
(int)$pattern->getY(),
(int)$otherPattern->getX(),
(int)$otherPattern->getY()
);
$moduleSizeEst2 = $this->sizeOfBlackWhiteBlackRunBothWays(
(int)$otherPattern->getX(),
(int)$otherPattern->getY(),
(int)$pattern->getX(),
(int)$pattern->getY()
);
if (is_nan($moduleSizeEst1)) {
return $moduleSizeEst2 / 7.0;
}
if (is_nan($moduleSizeEst2)) {
return $moduleSizeEst1 / 7.0;
}
// Average them, and divide by 7 since we've counted the width of 3 black modules,
// and 1 white and 1 black module on either side. Ergo, divide sum by 14.
return ($moduleSizeEst1 + $moduleSizeEst2) / 14.0;
}
/**
* <p>Computes the dimension (number of modules on a size) of the QR Code based on the position
* of the finder patterns and estimated module size.</p>
*/
private static function computeDimension($topLeft,
$topRight,
$bottomLeft,
$moduleSize) {
$tltrCentersDimension = MathUtils::round(ResultPoint::distance($topLeft, $topRight) / $moduleSize);
$tlblCentersDimension = MathUtils::round(ResultPoint::distance($topLeft, $bottomLeft) / $moduleSize);
$dimension = (($tltrCentersDimension + $tlblCentersDimension) / 2) + 7;
switch ($dimension & 0x03) { // mod 4
case 0:
$dimension++;
break;
/**
* See {@link #sizeOfBlackWhiteBlackRun(int, int, int, int)}; computes the total width of
* a finder pattern by looking for a black-white-black run from the center in the direction
* of another po$(another finder pattern center), and in the opposite direction too.</p>
*/
private function sizeOfBlackWhiteBlackRunBothWays($fromX, $fromY, $toX, $toY)
{
$result = $this->sizeOfBlackWhiteBlackRun($fromX, $fromY, $toX, $toY);
// Now count other way -- don't run off image though of course
$scale = 1.0;
$otherToX = $fromX - ($toX - $fromX);
if ($otherToX < 0) {
$scale = (float)$fromX / (float)($fromX - $otherToX);
$otherToX = 0;
} elseif ($otherToX >= $this->image->getWidth()) {
$scale = (float)($this->image->getWidth() - 1 - $fromX) / (float)($otherToX - $fromX);
$otherToX = $this->image->getWidth() - 1;
}
$otherToY = (int)($fromY - ($toY - $fromY) * $scale);
$scale = 1.0;
if ($otherToY < 0) {
$scale = (float)$fromY / (float)($fromY - $otherToY);
$otherToY = 0;
} elseif ($otherToY >= $this->image->getHeight()) {
$scale = (float)($this->image->getHeight() - 1 - $fromY) / (float)($otherToY - $fromY);
$otherToY = $this->image->getHeight() - 1;
}
$otherToX = (int)($fromX + ($otherToX - $fromX) * $scale);
$result += $this->sizeOfBlackWhiteBlackRun($fromX, $fromY, $otherToX, $otherToY);
// Middle pixel is double-counted this way; subtract 1
return $result - 1.0;
}
/**
* <p>This method traces a line from a po$in the image, in the direction towards another point.
* It begins in a black region, and keeps going until it finds white, then black, then white again.
* It reports the distance from the start to this point.</p>
*
* <p>This is used when figuring out how wide a finder pattern is, when the finder pattern
* may be skewed or rotated.</p>
*/
private function sizeOfBlackWhiteBlackRun($fromX, $fromY, $toX, $toY)
{
// Mild variant of Bresenham's algorithm;
// see http://en.wikipedia.org/wiki/Bresenham's_line_algorithm
$steep = abs($toY - $fromY) > abs($toX - $fromX);
if ($steep) {
$temp = $fromX;
$fromX = $fromY;
$fromY = $temp;
$temp = $toX;
$toX = $toY;
$toY = $temp;
}
$dx = abs($toX - $fromX);
$dy = abs($toY - $fromY);
$error = -$dx / 2;
$xstep = $fromX < $toX ? 1 : -1;
$ystep = $fromY < $toY ? 1 : -1;
// In black pixels, looking for white, first or second time.
$state = 0;
// Loop up until x == toX, but not beyond
$xLimit = $toX + $xstep;
for ($x = $fromX, $y = $fromY; $x != $xLimit; $x += $xstep) {
$realX = $steep ? $y : $x;
$realY = $steep ? $x : $y;
// Does current pixel mean we have moved white to black or vice versa?
// Scanning black in state 0,2 and white in state 1, so if we find the wrong
// color, advance to next state or end if we are in state 2 already
if (($state == 1) == $this->image->get($realX, $realY)) {
if ($state == 2) {
return MathUtils::distance($x, $y, $fromX, $fromY);
}
$state++;
}
$error += $dy;
if ($error > 0) {
if ($y == $toY) {
break;
}
$y += $ystep;
$error -= $dx;
}
}
// Found black-white-black; give the benefit of the doubt that the next pixel outside the image
// is "white" so this last po$at (toX+xStep,toY) is the right ending. This is really a
// small approximation; (toX+xStep,toY+yStep) might be really correct. Ignore this.
if ($state == 2) {
return MathUtils::distance($toX + $xstep, $toY, $fromX, $fromY);
}
// else we didn't find even black-white-black; no estimate is really possible
return NAN;
}
/**
* <p>Computes the dimension (number of modules on a size) of the QR Code based on the position
* of the finder patterns and estimated module size.</p>
*/
private static function computeDimension(
$topLeft,
$topRight,
$bottomLeft,
$moduleSize
)
{
$tltrCentersDimension = MathUtils::round(ResultPoint::distance($topLeft, $topRight) / $moduleSize);
$tlblCentersDimension = MathUtils::round(ResultPoint::distance($topLeft, $bottomLeft) / $moduleSize);
$dimension = (($tltrCentersDimension + $tlblCentersDimension) / 2) + 7;
switch ($dimension & 0x03) { // mod 4
case 0:
$dimension++;
break;
// 1? do nothing
case 2:
$dimension--;
break;
case 3:
throw NotFoundException::getNotFoundInstance();
}
return $dimension;
}
case 2:
$dimension--;
break;
case 3:
throw NotFoundException::getNotFoundInstance();
}
/**
* <p>Computes an average estimated module size based on estimated derived from the positions
* of the three finder patterns.</p>
*
* @param topLeft detected top-left finder pattern center
* @param topRight detected top-right finder pattern center
* @param bottomLeft detected bottom-left finder pattern center
* @return estimated module size
*/
protected final function calculateModuleSize($topLeft,
$topRight,
$bottomLeft) {
// Take the average
return ($this->calculateModuleSizeOneWay($topLeft, $topRight) +
$this->calculateModuleSizeOneWay($topLeft, $bottomLeft)) / 2.0;
}
return $dimension;
}
/**
* <p>Estimates module size based on two finder patterns -- it uses
* {@link #sizeOfBlackWhiteBlackRunBothWays(int, int, int, int)} to figure the
* width of each, measuring along the axis between their centers.</p>
*/
private function calculateModuleSizeOneWay($pattern, $otherPattern) {
$moduleSizeEst1 = $this->sizeOfBlackWhiteBlackRunBothWays($pattern->getX(),
(int) $pattern->getY(),
(int) $otherPattern->getX(),
(int) $otherPattern->getY());
$moduleSizeEst2 = $this->sizeOfBlackWhiteBlackRunBothWays((int) $otherPattern->getX(),
(int) $otherPattern->getY(),
(int) $pattern->getX(),
(int) $pattern->getY());
if (is_nan($moduleSizeEst1)) {
return $moduleSizeEst2 / 7.0;
}
if (is_nan($moduleSizeEst2)) {
return $moduleSizeEst1 / 7.0;
}
// Average them, and divide by 7 since we've counted the width of 3 black modules,
// and 1 white and 1 black module on either side. Ergo, divide sum by 14.
return ($moduleSizeEst1 + $moduleSizeEst2) / 14.0;
}
/**
* <p>Attempts to locate an alignment pattern in a limited region of the image, which is
* guessed to contain it. This method uses {@link AlignmentPattern}.</p>
*
* @param estimated $overallEstModuleSize module size so far
* @param x $estAlignmentX coordinate of center of area probably containing alignment pattern
* @param y $estAlignmentY coordinate of above
* @param number $allowanceFactor of pixels in all directions to search from the center
*
* @return {@link AlignmentPattern} if found, or null otherwise
* @throws NotFoundException if an unexpected error occurs during detection
*/
final protected function findAlignmentInRegion(
$overallEstModuleSize,
$estAlignmentX,
$estAlignmentY,
$allowanceFactor
)
{
// Look for an alignment pattern (3 modules in size) around where it
// should be
$allowance = (int)($allowanceFactor * $overallEstModuleSize);
$alignmentAreaLeftX = max(0, $estAlignmentX - $allowance);
$alignmentAreaRightX = min($this->image->getWidth() - 1, $estAlignmentX + $allowance);
if ($alignmentAreaRightX - $alignmentAreaLeftX < $overallEstModuleSize * 3) {
throw NotFoundException::getNotFoundInstance();
}
/**
* See {@link #sizeOfBlackWhiteBlackRun(int, int, int, int)}; computes the total width of
* a finder pattern by looking for a black-white-black run from the center in the direction
* of another po$(another finder pattern center), and in the opposite direction too.</p>
*/
private function sizeOfBlackWhiteBlackRunBothWays($fromX, $fromY, $toX, $toY) {
$alignmentAreaTopY = max(0, $estAlignmentY - $allowance);
$alignmentAreaBottomY = min($this->image->getHeight() - 1, $estAlignmentY + $allowance);
if ($alignmentAreaBottomY - $alignmentAreaTopY < $overallEstModuleSize * 3) {
throw NotFoundException::getNotFoundInstance();
}
$result = $this->sizeOfBlackWhiteBlackRun($fromX, $fromY, $toX, $toY);
$alignmentFinder =
new AlignmentPatternFinder(
$this->image,
$alignmentAreaLeftX,
$alignmentAreaTopY,
$alignmentAreaRightX - $alignmentAreaLeftX,
$alignmentAreaBottomY - $alignmentAreaTopY,
$overallEstModuleSize,
$this->resultPointCallback
);
// Now count other way -- don't run off image though of course
$scale = 1.0;
$otherToX = $fromX - ($toX - $fromX);
if ($otherToX < 0) {
$scale = (float) $fromX / (float) ($fromX - $otherToX);
$otherToX = 0;
} else if ($otherToX >= $this->image->getWidth()) {
$scale = (float) ($this->image->getWidth() - 1 - $fromX) / (float) ($otherToX - $fromX);
$otherToX = $this->image->getWidth() - 1;
}
$otherToY = (int) ($fromY - ($toY - $fromY) * $scale);
return $alignmentFinder->find();
}
$scale = 1.0;
if ($otherToY < 0) {
$scale = (float) $fromY / (float) ($fromY - $otherToY);
$otherToY = 0;
} else if ($otherToY >= $this->image->getHeight()) {
$scale = (float) ($this->image->getHeight() - 1 - $fromY) / (float) ($otherToY - $fromY);
$otherToY = $this->image->getHeight() - 1;
}
$otherToX = (int) ($fromX + ($otherToX - $fromX) * $scale);
private static function createTransform(
$topLeft,
$topRight,
$bottomLeft,
$alignmentPattern,
$dimension
)
{
$dimMinusThree = (float)$dimension - 3.5;
$bottomRightX = 0.0;
$bottomRightY = 0.0;
$sourceBottomRightX = 0.0;
$sourceBottomRightY = 0.0;
if ($alignmentPattern != null) {
$bottomRightX = $alignmentPattern->getX();
$bottomRightY = $alignmentPattern->getY();
$sourceBottomRightX = $dimMinusThree - 3.0;
$sourceBottomRightY = $sourceBottomRightX;
} else {
// Don't have an alignment pattern, just make up the bottom-right point
$bottomRightX = ($topRight->getX() - $topLeft->getX()) + $bottomLeft->getX();
$bottomRightY = ($topRight->getY() - $topLeft->getY()) + $bottomLeft->getY();
$sourceBottomRightX = $dimMinusThree;
$sourceBottomRightY = $dimMinusThree;
}
$result += $this->sizeOfBlackWhiteBlackRun($fromX, $fromY, $otherToX, $otherToY);
return PerspectiveTransform::quadrilateralToQuadrilateral(
3.5,
3.5,
$dimMinusThree,
3.5,
$sourceBottomRightX,
$sourceBottomRightY,
3.5,
$dimMinusThree,
$topLeft->getX(),
$topLeft->getY(),
$topRight->getX(),
$topRight->getY(),
$bottomRightX,
$bottomRightY,
$bottomLeft->getX(),
$bottomLeft->getY()
);
}
// Middle pixel is double-counted this way; subtract 1
return $result - 1.0;
}
private static function sampleGrid(
$image,
$transform,
$dimension
)
{
$sampler = GridSampler::getInstance();
/**
* <p>This method traces a line from a po$in the image, in the direction towards another point.
* It begins in a black region, and keeps going until it finds white, then black, then white again.
* It reports the distance from the start to this point.</p>
*
* <p>This is used when figuring out how wide a finder pattern is, when the finder pattern
* may be skewed or rotated.</p>
*/
private function sizeOfBlackWhiteBlackRun($fromX, $fromY, $toX, $toY) {
// Mild variant of Bresenham's algorithm;
// see http://en.wikipedia.org/wiki/Bresenham's_line_algorithm
$steep = abs($toY - $fromY) > abs($toX - $fromX);
if ($steep) {
$temp = $fromX;
$fromX = $fromY;
$fromY = $temp;
$temp = $toX;
$toX = $toY;
$toY = $temp;
}
return $sampler->sampleGrid_($image, $dimension, $dimension, $transform);
}
$dx = abs($toX - $fromX);
$dy = abs($toY - $fromY);
$error = -$dx / 2;
$xstep = $fromX < $toX ? 1 : -1;
$ystep = $fromY < $toY ? 1 : -1;
// In black pixels, looking for white, first or second time.
$state = 0;
// Loop up until x == toX, but not beyond
$xLimit = $toX + $xstep;
for ($x = $fromX, $y = $fromY; $x != $xLimit; $x += $xstep) {
$realX = $steep ? $y : $x;
$realY = $steep ? $x : $y;
// Does current pixel mean we have moved white to black or vice versa?
// Scanning black in state 0,2 and white in state 1, so if we find the wrong
// color, advance to next state or end if we are in state 2 already
if (($state == 1) == $this->image->get($realX, $realY)) {
if ($state == 2) {
return MathUtils::distance($x, $y, $fromX, $fromY);
}
$state++;
}
$error += $dy;
if ($error > 0) {
if ($y == $toY) {
break;
}
$y += $ystep;
$error -= $dx;
}
}
// Found black-white-black; give the benefit of the doubt that the next pixel outside the image
// is "white" so this last po$at (toX+xStep,toY) is the right ending. This is really a
// small approximation; (toX+xStep,toY+yStep) might be really correct. Ignore this.
if ($state == 2) {
return MathUtils::distance($toX + $xstep, $toY, $fromX, $fromY);
}
// else we didn't find even black-white-black; no estimate is really possible
return NAN;
}
/**
* <p>Attempts to locate an alignment pattern in a limited region of the image, which is
* guessed to contain it. This method uses {@link AlignmentPattern}.</p>
*
* @param overallEstModuleSize estimated module size so far
* @param estAlignmentX x coordinate of center of area probably containing alignment pattern
* @param estAlignmentY y coordinate of above
* @param allowanceFactor number of pixels in all directions to search from the center
* @return {@link AlignmentPattern} if found, or null otherwise
* @throws NotFoundException if an unexpected error occurs during detection
*/
protected final function findAlignmentInRegion($overallEstModuleSize,
$estAlignmentX,
$estAlignmentY,
$allowanceFactor)
{
// Look for an alignment pattern (3 modules in size) around where it
// should be
$allowance = (int) ($allowanceFactor * $overallEstModuleSize);
$alignmentAreaLeftX = max(0, $estAlignmentX - $allowance);
$alignmentAreaRightX = min($this->image->getWidth() - 1, $estAlignmentX + $allowance);
if ($alignmentAreaRightX - $alignmentAreaLeftX < $overallEstModuleSize * 3) {
throw NotFoundException::getNotFoundInstance();
}
$alignmentAreaTopY = max(0, $estAlignmentY - $allowance);
$alignmentAreaBottomY = min($this->image->getHeight() - 1, $estAlignmentY + $allowance);
if ($alignmentAreaBottomY - $alignmentAreaTopY < $overallEstModuleSize * 3) {
throw NotFoundException::getNotFoundInstance();
}
$alignmentFinder =
new AlignmentPatternFinder(
$this->image,
$alignmentAreaLeftX,
$alignmentAreaTopY,
$alignmentAreaRightX - $alignmentAreaLeftX,
$alignmentAreaBottomY - $alignmentAreaTopY,
$overallEstModuleSize,
$this->resultPointCallback);
return $alignmentFinder->find();
}
final protected function getImage()
{
return $this->image;
}
final protected function getResultPointCallback()
{
return $this->resultPointCallback;
}
}
@@ -26,56 +26,56 @@ use Zxing\ResultPoint;
*
* @author Sean Owen
*/
final class FinderPattern extends ResultPoint {
final class FinderPattern extends ResultPoint
{
public function __construct($posX, $posY, private $estimatedModuleSize, private $count = 1)
{
parent::__construct($posX, $posY);
}
private $estimatedModuleSize;
private $count;
public function getEstimatedModuleSize()
{
return $this->estimatedModuleSize;
}
public function getCount()
{
return $this->count;
}
/*
void incrementCount() {
this.count++;
}
*/
function __construct($posX, $posY, $estimatedModuleSize, $count=1) {
parent::__construct($posX, $posY);
$this->estimatedModuleSize = $estimatedModuleSize;
$this->count = $count;
}
public function getEstimatedModuleSize() {
return $this->estimatedModuleSize;
}
function getCount() {
return $this->count;
}
/*
void incrementCount() {
this.count++;
}
*/
/**
* <p>Determines if this finder pattern "about equals" a finder pattern at the stated
* position and size -- meaning, it is at nearly the same center with nearly the same size.</p>
*/
function aboutEquals($moduleSize, $i, $j) {
if (abs($i - $this->getY()) <= $moduleSize && abs($j - $this->getX()) <= $moduleSize) {
$moduleSizeDiff = abs($moduleSize - $this->estimatedModuleSize);
return $moduleSizeDiff <= 1.0 || $moduleSizeDiff <= $this->estimatedModuleSize;
}
return false;
}
/**
* Combines this object's current estimate of a finder pattern position and module size
* with a new estimate. It returns a new {@code FinderPattern} containing a weighted average
* based on count.
*/
function combineEstimate($i, $j, $newModuleSize) {
$combinedCount = $this->count + 1;
$combinedX = ($this->count * $this->getX() + $j) / $combinedCount;
$combinedY = ($this->count * $this->getY() + $i) / $combinedCount;
$combinedModuleSize = ($this->count * $this->estimatedModuleSize + $newModuleSize) / $combinedCount;
return new FinderPattern($combinedX, $combinedY, $combinedModuleSize, $combinedCount);
}
/**
* <p>Determines if this finder pattern "about equals" a finder pattern at the stated
* position and size -- meaning, it is at nearly the same center with nearly the same size.</p>
*/
public function aboutEquals($moduleSize, $i, $j)
{
if (abs($i - $this->getY()) <= $moduleSize && abs($j - $this->getX()) <= $moduleSize) {
$moduleSizeDiff = abs($moduleSize - $this->estimatedModuleSize);
return $moduleSizeDiff <= 1.0 || $moduleSizeDiff <= $this->estimatedModuleSize;
}
return false;
}
/**
* Combines this object's current estimate of a finder pattern position and module size
* with a new estimate. It returns a new {@code FinderPattern} containing a weighted average
* based on count.
*/
public function combineEstimate($i, $j, $newModuleSize): \Zxing\Qrcode\Detector\FinderPattern
{
$combinedCount = $this->count + 1;
$combinedX = ($this->count * $this->getX() + $j) / $combinedCount;
$combinedY = ($this->count * $this->getY() + $i) / $combinedCount;
$combinedModuleSize = ($this->count * $this->estimatedModuleSize + $newModuleSize) / $combinedCount;
return new FinderPattern($combinedX, $combinedY, $combinedModuleSize, $combinedCount);
}
}
File diff suppressed because it is too large Load Diff
@@ -23,28 +23,31 @@ namespace Zxing\Qrcode\Detector;
*
* @author Sean Owen
*/
final class FinderPatternInfo {
final class FinderPatternInfo
{
private $bottomLeft;
private $topLeft;
private $topRight;
private $bottomLeft;
private $topLeft;
private $topRight;
public function __construct($patternCenters) {
$this->bottomLeft = $patternCenters[0];
$this->topLeft = $patternCenters[1];
$this->topRight = $patternCenters[2];
}
public function getBottomLeft() {
return $this->bottomLeft;
}
public function getTopLeft() {
return $this->topLeft;
}
public function getTopRight() {
return $this->topRight;
}
public function __construct($patternCenters)
{
$this->bottomLeft = $patternCenters[0];
$this->topLeft = $patternCenters[1];
$this->topRight = $patternCenters[2];
}
public function getBottomLeft()
{
return $this->bottomLeft;
}
public function getTopLeft()
{
return $this->topLeft;
}
public function getTopRight()
{
return $this->topRight;
}
}