Initial xentral_oss_20.3.c9ffacf
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<?php
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namespace Xentral\Modules\HocrParser\Data;
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use Xentral\Components\ScanbotApi\Exception\RuntimeException;
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class BoundingBoxCollection
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{
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/** @var array|BoundingBox[] $boxes */
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private $boxes;
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/**
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* @param array|BoundingBox[] $boxes
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*/
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public function __construct(array $boxes = [])
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{
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$this->boxes = $boxes;
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}
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/**
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* @return array|BoundingBox[]
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*/
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public function GetBoxes()
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{
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return $this->boxes;
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}
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/**
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* Box mit der kürzesten Entfernung rechts vom übergebenen Punkt zurückgeben
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*
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* @param int $x
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* @param int $y
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*
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* @return BoundingBox|false
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*/
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public function GetNearestBoxRightFromPoint($x, $y)
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{
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// Erstmal alle Elemente rechts vom Punkt finden; inkl. Entfernung zum Punkt
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$candidates = $this->GetBoxesRightFromPoint($x, $y);
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return $this->GetBoxWithLowestDistance($candidates);
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}
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/**
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* Alle Boxen zurückgeben die sich rechts vom übergebenen Punkt befinden; inkl. Entfernung
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*
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* @param int $x
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* @param int $y
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*
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* @return array|BoundingBox[]
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*/
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public function GetBoxesRightFromPoint($x, $y)
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{
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$result = [];
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foreach ($this->boxes as $box) {
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if ($box->IsRightFromPoint($x, $y)) {
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$distance = $box->GetDistanceFromPoint($x, $y);
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$box->SetData('distance', $distance);
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$result[] = $box;
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}
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}
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return $result;
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}
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/**
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* Box mit dem geringsten Abstand ermitteln
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*
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* Hinweis: Data-Eigenschaft "distance" muss dafür gesetzt sein.
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*
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* @param array|BoundingBox[] $boxes
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*
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* @return BoundingBox|false
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*/
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private function GetBoxWithLowestDistance(array $boxes)
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{
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// Index neu aufbauen
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$boxes = array_values($boxes);
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// Keine Box gefunden
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if (count($boxes) === 0) {
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return false;
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}
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// Nur eine Box gefunden
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if (count($boxes) === 1) {
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return $boxes[0];
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}
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$shortestDistance = $boxes[0]->GetData('distance');
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$shortestDistanceKey = 0;
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// Prüfen ob Entfernung gesetzt sind
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if ($shortestDistance === null) {
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throw new RuntimeException('Distance not set.');
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}
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// Box mit der geringsten Entfernung suchen
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/** @var BoundingBox $box */
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foreach ($boxes as $key => $box) {
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$boxDistance = $box->GetData('distance');
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if ($boxDistance < $shortestDistance) {
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$shortestDistance = $boxDistance;
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$shortestDistanceKey = $key;
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}
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}
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return $boxes[$shortestDistanceKey];
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}
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/**
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* Box mit der kürzesten Entfernung links vom übergebenen Punkt zurückgeben
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*
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* @param int $x
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* @param int $y
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*
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* @return BoundingBox|false
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*/
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public function GetNearestBoxLeftFromPoint($x, $y)
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{
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// Erstmal alle Elemente rechts vom Punkt finden; inkl. Entfernung zum Punkt
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$candidates = $this->GetBoxesLeftFromPoint($x, $y);
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return $this->GetBoxWithLowestDistance($candidates);
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}
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/**
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* Alle Boxen zurückgeben die sich links vom übergebenen Punkt befinden; inkl. Entfernung
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*
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* @param int $x
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* @param int $y
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*
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* @return array|BoundingBox[]
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*/
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public function GetBoxesLeftFromPoint($x, $y)
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{
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$result = [];
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foreach ($this->boxes as $box) {
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if ($box->IsLeftFromPoint($x, $y)) {
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$distance = $box->GetDistanceFromPoint($x, $y);
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$box->SetData('distance', $distance);
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$result[] = $box;
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}
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}
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return $result;
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}
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/**
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* Box mit der kürzesten Entfernung oberhalb vom übergebenen Punkt zurückgeben
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*
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* @param int $x
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* @param int $y
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*
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* @return BoundingBox|false
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*/
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public function GetNearestBoxAboveFromPoint($x, $y)
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{
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$candidates = $this->GetBoxesAboveFromPoint($x, $y);
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return $this->GetBoxWithLowestDistance($candidates);
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}
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/**
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* Alle Boxen zurückgeben die sich oberhalb vom übergebenen Punkt befinden; inkl. Entfernung
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*
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* @param int $x
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* @param int $y
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*
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* @return array|BoundingBox[]
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*/
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public function GetBoxesAboveFromPoint($x, $y)
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{
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$result = [];
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foreach ($this->boxes as $box) {
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if ($box->IsAbovePoint($x, $y)) {
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$distance = $box->GetDistanceFromPoint($x, $y);
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$box->SetData('distance', $distance);
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$result[] = $box;
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}
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}
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return $result;
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}
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/**
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* Box mit der kürzesten Entfernung unterhalb vom übergebenen Punkt zurückgeben
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*
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* @param int $x
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* @param int $y
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*
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* @return BoundingBox|false
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*/
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public function GetNearestBoxBelowFromPoint($x, $y)
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{
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$candidates = $this->GetBoxesBelowFromPoint($x, $y);
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return $this->GetBoxWithLowestDistance($candidates);
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}
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/**
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* Alle Boxen zurückgeben die sich unterhalb vom übergebenen Punkt befinden; inkl. Entfernung
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*
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* @param int $x
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* @param int $y
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*
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* @return array|BoundingBox[]
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*/
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public function GetBoxesBelowFromPoint($x, $y)
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{
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$result = [];
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foreach ($this->boxes as $box) {
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if ($box->IsBelowPoint($x, $y)) {
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$distance = $box->GetDistanceFromPoint($x, $y);
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$box->SetData('distance', $distance);
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$result[] = $box;
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}
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}
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return $result;
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}
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}
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