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<?php declare(strict_types = 1); namespace BaconQrCode\Renderer\Module\EdgeIterator; final class Edge { /** * @var array<int[]> */ private array $points = []; /** * @var array<int[]>|null */ private ?array $simplifiedPoints = null; private int $minX = PHP_INT_MAX; private int $minY = PHP_INT_MAX; private int $maxX = -1; private int $maxY = -1; public function __construct(private readonly bool $positive) { } public function addPoint(int $x, int $y) : void { $this->points[] = [$x, $y]; $this->minX = min($this->minX, $x); $this->minY = min($this->minY, $y); $this->maxX = max($this->maxX, $x); $this->maxY = max($this->maxY, $y); } public function isPositive() : bool { return $this->positive; } /** * @return array<int[]> */ public function getPoints() : array { return $this->points; } public function getMaxX() : int { return $this->maxX; } public function getSimplifiedPoints() : array { if (null !== $this->simplifiedPoints) { return $this->simplifiedPoints; } $points = []; $length = count($this->points); for ($i = 0; $i < $length; ++$i) { $previousPoint = $this->points[(0 === $i ? $length : $i) - 1]; $nextPoint = $this->points[($length - 1 === $i ? -1 : $i) + 1]; $currentPoint = $this->points[$i]; if (($previousPoint[0] === $currentPoint[0] && $currentPoint[0] === $nextPoint[0]) || ($previousPoint[1] === $currentPoint[1] && $currentPoint[1] === $nextPoint[1]) ) { continue; } $points[] = $currentPoint; } return $this->simplifiedPoints = $points; } }
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