人事系统开发
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74 lines
1.5 KiB
PHP
74 lines
1.5 KiB
PHP
<?php
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/**
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* Class ResultPoint
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*
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* @created 17.01.2021
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* @author ZXing Authors
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* @author Smiley <smiley@chillerlan.net>
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* @copyright 2021 Smiley
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* @license Apache-2.0
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*/
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namespace chillerlan\QRCode\Detector;
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use function abs;
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/**
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* Encapsulates a point of interest in an image containing a barcode. Typically, this
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* would be the location of a finder pattern or the corner of the barcode, for example.
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*
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* @author Sean Owen
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*/
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abstract class ResultPoint{
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protected float $x;
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protected float $y;
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protected float $estimatedModuleSize;
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/**
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*
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*/
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public function __construct(float $x, float $y, float $estimatedModuleSize){
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$this->x = $x;
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$this->y = $y;
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$this->estimatedModuleSize = $estimatedModuleSize;
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}
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/**
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*
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*/
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public function getX():float{
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return $this->x;
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}
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/**
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*
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*/
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public function getY():float{
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return $this->y;
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}
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/**
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*
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*/
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public function getEstimatedModuleSize():float{
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return $this->estimatedModuleSize;
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}
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/**
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* Determines if this finder pattern "about equals" a finder pattern at the stated
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* position and size -- meaning, it is at nearly the same center with nearly the same size.
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*/
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public function aboutEquals(float $moduleSize, float $i, float $j):bool{
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if(abs($i - $this->y) <= $moduleSize && abs($j - $this->x) <= $moduleSize){
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$moduleSizeDiff = abs($moduleSize - $this->estimatedModuleSize);
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return $moduleSizeDiff <= 1.0 || $moduleSizeDiff <= $this->estimatedModuleSize;
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}
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return false;
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}
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}
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