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https://github.com/Karaka-Management/phpOMS.git
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140 lines
3.6 KiB
PHP
Executable File
140 lines
3.6 KiB
PHP
Executable File
<?php
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/**
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* Jingga
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*
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* PHP Version 8.2
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*
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* @package phpOMS\Utils\Barcode
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* @author Nicola Asuni - Tecnick.com LTD - www.tecnick.com <info@tecnick.com>
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* @copyright Copyright (C) 2010 - 2014 Nicola Asuni - Tecnick.com LTD
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* @license GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
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* @version 1.0.0
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* @link https://jingga.app
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*/
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declare(strict_types=1);
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namespace phpOMS\Utils\Barcode;
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/**
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* 2DAbstract class.
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*
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* @package phpOMS\Utils\Barcode
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* @license GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
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* @link https://jingga.app
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* @since 1.0.0
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*/
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abstract class TwoDAbstract extends CodeAbstract
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{
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/**
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* {@inheritdoc}
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*/
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public function get() : mixed
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{
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$codeArray = $this->generateCodeArray();
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return $this->createImage($codeArray);
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}
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/**
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* Generate code array
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*
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* @return array
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*
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* @since 1.0.0
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*/
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abstract public function generateCodeArray() : array;
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/**
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* Create barcode image
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*
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* @param array $codeArray Code array to render
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*
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* @return null|\GdImage
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*
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* @throws \Exception
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*
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* @since 1.0.0
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*/
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protected function createImage(array $codeArray) : ?\GdImage
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{
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if (empty($codeArray)) {
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return null;
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}
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$dimensions = $this->calculateDimensions($codeArray);
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$image = \imagecreate($dimensions['width'], $dimensions['height']);
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if ($image === false) {
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throw new \Exception(); // @codeCoverageIgnore
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}
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$black = \imagecolorallocate($image, 0, 0, 0);
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$white = \imagecolorallocate($image, 255, 255, 255);
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if ($white === false || $black === false) {
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throw new \Exception(); // @codeCoverageIgnore
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}
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\imagefill($image, 0, 0, $white);
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$width = \count($codeArray);
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$height = \count(\reset($codeArray));
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$multiplier = (int) (($dimensions['width'] - 2 * $this->margin) / $width);
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$locationX = $this->margin;
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// @todo Allow manual dimensions
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// https://github.com/Karaka-Management/phpOMS/issues/346
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for ($posX = 0; $posX < $width; ++$posX) {
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$locationY = $this->margin;
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for ($posY = 0; $posY < $height; ++$posY) {
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\imagefilledrectangle(
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$image,
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$locationX,
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$locationY,
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$locationX + $multiplier,
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$locationY + $multiplier,
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$codeArray[$posY][$posX] ? $black : $white
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);
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$locationY += $multiplier;
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}
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$locationX += $multiplier;
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}
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return $image;
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}
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/**
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* Calculate the code dimensions
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*
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* @param array $codeArray Code string to render
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*
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* @return array<string, int>
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*
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* @since 1.0.0
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*/
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private function calculateDimensions(array $codeArray) : array
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{
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if (empty($codeArray)) {
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return [
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'width' => 0,
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'height' => 0,
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];
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}
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$matrixDimension = \max(\count($codeArray), \count(\reset($codeArray)));
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$imageDimension = \max($this->dimension['width'], $this->dimension['width']);
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$multiplier = (int) (($imageDimension - 2 * $this->margin) / $matrixDimension);
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$dimensions['width'] = (int) ($matrixDimension * $multiplier + 2 * $this->margin);
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$dimensions['height'] = (int) ($matrixDimension * $multiplier + 2 * $this->margin);
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return $dimensions;
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}
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}
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