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<?php |
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|
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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 <[email protected]> |
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* @copyright 2021 Smiley |
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* @license Apache-2.0 |
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*/ |
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namespace WCPOS\Vendor\chillerlan\QRCode\Detector; |
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|
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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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{ |
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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 $estimatedModuleSize) |
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{ |
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$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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{ |
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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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{ |
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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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{ |
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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 $j) : bool |
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{ |
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if (abs($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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|
