mirror of
https://github.com/Karaka-Management/phpOMS.git
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414 lines
9.4 KiB
PHP
414 lines
9.4 KiB
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.2
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*
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* @package phpOMS\Utils\Barcode
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* @copyright Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link http://website.orange-management.de
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*/
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declare(strict_types=1);
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namespace phpOMS\Utils\Barcode;
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use phpOMS\Stdlib\Base\Exception\InvalidEnumValue;
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/**
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* Code 128 abstract class.
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*
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* @package phpOMS\Utils\Barcode
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* @license OMS License 1.0
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* @link http://website.orange-management.de
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* @since 1.0.0
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*
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* @SuppressWarnings(PHPMD.CamelCasePropertyName)
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* @SuppressWarnings(PHPMD.CamelCaseVariableName)
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*/
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abstract class C128Abstract
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{
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/**
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* Checksum.
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*
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* @var int
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* @since 1.0.0
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*/
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protected static $CHECKSUM = 0;
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/**
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* Char weighted array.
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*
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* @var string[]
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* @since 1.0.0
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*/
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protected static $CODEARRAY = [];
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/**
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* Code start.
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*
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* @var string
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* @since 1.0.0
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*/
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protected static $CODE_START = '';
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/**
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* Code end.
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*
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* @var string
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* @since 1.0.0
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*/
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protected static $CODE_END = '';
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/**
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* Orientation.
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*
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* @var int
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* @since 1.0.0
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*/
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protected $orientation = 0;
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/**
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* Barcode dimension.
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*
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* @var int[]
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* @since 1.0.0
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*/
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protected $dimension = ['width' => 0, 'height' => 0];
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/**
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* Barcode dimension.
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*
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* @var int
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* @since 1.0.0
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*/
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protected $margin = 10;
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/**
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* Content to encrypt.
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*
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* @var string
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* @since 1.0.0
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*/
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protected $content = '';
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/**
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* Show text below barcode.
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*
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* @var bool
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* @since 1.0.0
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*/
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protected $showText = true;
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/**
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* Background color.
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*
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* @var int[]
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* @since 1.0.0
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*/
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protected $background = ['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0];
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/**
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* Front color.
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*
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* @var int[]
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* @since 1.0.0
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*/
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protected $front = ['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0];
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/**
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* Constructor
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*
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* @param string $content Content to encrypt
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* @param int $width Barcode width
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* @param int $height Barcode height
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* @param int $orientation Orientation of the barcode
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*
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* @since 1.0.0
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*/
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public function __construct(string $content = '', int $width = 100, int $height = 20, int $orientation = OrientationType::HORIZONTAL)
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{
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$this->setContent($content);
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$this->setDimension($width, $height);
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$this->setOrientation($orientation);
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}
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/**
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* Set barcode dimensions
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*
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* @param int $width Barcode width
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* @param int $height Barcode height
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*
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* @return void
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*
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* @since 1.0.0
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*/
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public function setDimension(int $width, int $height) : void
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{
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if ($width < 0) {
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throw new \OutOfBoundsException((string) $width);
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}
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if ($height < 0) {
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throw new \OutOfBoundsException((string) $height);
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}
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$this->dimension['width'] = $width;
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$this->dimension['height'] = $height;
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}
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/**
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* Set barcode margins
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*
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* @param int $margin Barcode margin
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*
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* @return void
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*
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* @since 1.0.0
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*/
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public function setMargin(int $margin) : void
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{
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$this->margin = $margin;
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}
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/**
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* Set barcode orientation
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*
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* @param int $orientation Barcode orientation
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*
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* @return void
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*
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* @since 1.0.0
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*/
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public function setOrientation(int $orientation) : void
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{
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if (!OrientationType::isValidValue($orientation)) {
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throw new InvalidEnumValue($orientation);
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}
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$this->orientation = $orientation;
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}
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/**
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* Get content
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*
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* @return string Returns the string representation of the code
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*
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* @since 1.0.0
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*/
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public function getContent() : string
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{
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return $this->content;
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}
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/**
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* Set content to encrypt
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*
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* @param string $content Barcode content
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*
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* @return void
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*
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* @since 1.0.0
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*/
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public function setContent(string $content) : void
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{
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$this->content = $content;
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}
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/**
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* Get image reference
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*
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* @return mixed
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*
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* @since 1.0.0
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*/
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public function get()
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{
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$codeString = static::$CODE_START . $this->generateCodeString() . static::$CODE_END;
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return $this->createImage($codeString);
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}
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/**
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* Save to file
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*
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* @param string $file File path/name
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*
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* @return void
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*
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* @since 1.0.0
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*/
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public function saveToPngFile(string $file) : void
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{
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$res = $this->get();
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\imagepng($res, $file);
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\imagedestroy($res);
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}
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/**
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* Save to file
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*
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* @param string $file File path/name
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*
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* @return void
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*
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* @since 1.0.0
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*/
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public function saveToJpgFile(string $file) : void
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{
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$res = $this->get();
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\imagejpeg($res, $file);
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\imagedestroy($res);
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}
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/**
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* Validate the barcode string
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*
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* @param string $barcode Barcode string
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*
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* @return bool Returns true if the string is valid for the specific code implementetion otherwise false is returned
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*
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* @since 1.0.0
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*/
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public static function isValidString(string $barcode) : bool
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{
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$length = \strlen($barcode);
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for ($i = 0; $i < $length; ++$i) {
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if (!isset(static::$CODEARRAY[$barcode[$i]]) && !\in_array($barcode[$i], static::$CODEARRAY)) {
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return false;
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}
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}
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return true;
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}
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/**
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* Generate weighted code string
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*
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* @return string Returns the code string generated from the human readable content
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*
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* @since 1.0.0
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*/
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protected function generateCodeString() : string
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{
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$keys = \array_keys(static::$CODEARRAY);
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$values = \array_flip($keys);
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$codeString = '';
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$length = \strlen($this->content);
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$checksum = static::$CHECKSUM;
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for ($pos = 1; $pos <= $length; ++$pos) {
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$activeKey = \substr($this->content, ($pos - 1), 1);
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$codeString .= static::$CODEARRAY[$activeKey];
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$checksum += $values[$activeKey] * $pos;
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}
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$codeString .= static::$CODEARRAY[$keys[($checksum - (\intval($checksum / 103) * 103))]];
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return $codeString;
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}
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/**
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* Create barcode image
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*
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* @param string $codeString Code string to render
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*
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* @return mixed
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*
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* @since 1.0.0
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*/
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protected function createImage(string $codeString)
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{
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$dimensions = $this->calculateDimensions($codeString);
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$image = \imagecreate($dimensions['width'], $dimensions['height']);
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if ($image === false) {
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throw new \Exception();
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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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$location = 0;
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$length = \strlen($codeString);
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\imagefill($image, 0, 0, $white);
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for ($position = 1; $position <= $length; ++$position) {
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$cur_size = $location + (int) (\substr($codeString, ($position - 1), 1));
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if ($this->orientation === OrientationType::HORIZONTAL) {
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\imagefilledrectangle(
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$image,
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$location + $this->margin,
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0 + $this->margin,
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$cur_size + $this->margin,
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$dimensions['height'] - $this->margin - 1,
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($position % 2 == 0 ? $white : $black)
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);
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} else {
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\imagefilledrectangle(
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$image,
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0 + $this->margin,
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$location + $this->margin,
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$dimensions['width'] - $this->margin - 1,
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$cur_size + $this->margin,
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($position % 2 == 0 ? $white : $black)
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);
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}
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$location = $cur_size;
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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 length for image dimensions
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*
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* @param string $codeString Code string to render
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*
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* @return int Length of the code
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*
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* @since 1.0.0
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*/
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private function calculateCodeLength(string $codeString) : int
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{
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$codeLength = 0;
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$length = \strlen($codeString);
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for ($i = 1; $i <= $length; ++$i) {
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$codeLength = $codeLength + (int) (\substr($codeString, ($i - 1), 1));
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}
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return $codeLength;
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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 string $codeString 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(string $codeString) : array
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{
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$codeLength = $this->calculateCodeLength($codeString);
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$dimensions = ['width' => 0, 'height' => 0];
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if ($this->orientation === OrientationType::HORIZONTAL) {
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$dimensions['width'] = $codeLength + $this->margin * 2 + 1;
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$dimensions['height'] = $this->dimension['height'];
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} else {
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$dimensions['width'] = $this->dimension['width'];
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$dimensions['height'] = $codeLength + $this->margin * 2 + 1;
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}
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return $dimensions;
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}
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}
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