1. Import
This commit is contained in:
362
html/include/barcode_php7/class/BCGupca.barcode.php
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362
html/include/barcode_php7/class/BCGupca.barcode.php
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<?php
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/**
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* BCGupca.barcode.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - UPC-A
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*
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* UPC-A contains
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* - 2 system digits (1 not provided, a 0 is added automatically)
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* - 5 manufacturer code digits
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* - 5 product digits
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* - 1 checksum digit
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*
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* The checksum is always displayed.
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*
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*--------------------------------------------------------------------
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* Revision History
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* v2.0.1 8 mar 2009 Jean-Sébastien Goupil Fix padding for the barcode
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* v2.0.0 23 apr 2008 Jean-Sébastien Goupil New Version Update
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* v1.2.3 6 feb 2006 Jean-Sébastien Goupil Fix label position + Using correctly static method
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* v1.2.3b 31 dec 2005 Jean-Sébastien Goupil Checksum separated + PHP5.1 compatible
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* v1.2.2 23 jul 2005 Jean-Sébastien Goupil Enhance rapidity
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* v1.2.1 27 jun 2005 Jean-Sébastien Goupil Font support added + correcting output when text was present
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* V1.00 17 jun 2004 Jean-Sebastien Goupil
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*--------------------------------------------------------------------
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* $Id: BCGupca.barcode.php,v 1.12 2009/11/09 04:13:35 jsgoupil Exp $
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* PHP5-Revision: 1.15
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*--------------------------------------------------------------------
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* Copyright (C) Jean-Sebastien Goupil
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* http://www.barcodephp.com
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*/
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include_once('BCGBarcode1D.php');
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class BCGupca extends BCGBarcode1D {
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var $codeParity = array();
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/**
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* Constructor
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*/
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function BCGupca() {
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BCGBarcode1D::BCGBarcode1D();
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$this->keys = array('0','1','2','3','4','5','6','7','8','9');
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// Left-Hand Odd Parity starting with a space
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// Left-Hand Even Parity is the inverse (0=0012) starting with a space
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// Right-Hand is the same of Left-Hand starting with a bar
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$this->code = array(
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'2100', /* 0 */
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'1110', /* 1 */
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'1011', /* 2 */
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'0300', /* 3 */
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'0021', /* 4 */
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'0120', /* 5 */
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'0003', /* 6 */
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'0201', /* 7 */
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'0102', /* 8 */
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'2001' /* 9 */
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);
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// Parity, 0=Odd, 1=Even for manufacturer code. Depending on 1st System Digit
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$this->codeParity = array(
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array(0,0,0,0,0), /* 0 */
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array(0,1,0,1,1), /* 1 */
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array(0,1,1,0,1), /* 2 */
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array(0,1,1,1,0), /* 3 */
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array(1,0,0,1,1), /* 4 */
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array(1,1,0,0,1), /* 5 */
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array(1,1,1,0,0), /* 6 */
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array(1,0,1,0,1), /* 7 */
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array(1,0,1,1,0), /* 8 */
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array(1,1,0,1,0) /* 9 */
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);
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}
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function parse($text) {
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BCGBarcode1D::parse($text);
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$this->setLabelOffset();
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}
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function setFont($font) {
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BCGBarcode1D::setFont($font);
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$this->setLabelOffset();
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}
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function setLabel($label) {
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BCGBarcode1D::setLabel($label);
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$this->setLabelOffset();
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}
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function setOffsetX($offsetX) {
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BCGBarcode1D::setOffsetX($offsetX);
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$this->setLabelOffset();
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}
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function setScale($scale) {
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BCGBarcode1D::setScale($scale);
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$this->setLabelOffset();
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}
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/**
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* Draws the barcode
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*
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* @param resource $im
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*/
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function draw(&$im) {
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$error_stop = false;
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// Checking if all chars are allowed
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$c = strlen($this->text);
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for($i = 0; $i < $c; $i++) {
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if(array_search($this->text[$i], $this->keys) === false) {
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$this->drawError($im, 'Char \'' . $this->text[$i] . '\' not allowed.');
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$error_stop = true;
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}
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}
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if($error_stop === false) {
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// Must contain 11 chars
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if($c !== 11) {
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$this->drawError($im, 'Must contain 11 chars, the 12th digit is automatically added.');
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$error_stop = true;
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}
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if($error_stop === false) {
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// The following code is exactly the same as EAN13. We just add a 0 in front of the code !
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$this->text = '0'.$this->text; // We will remove it at the end... don't worry
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// Checksum
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$this->calculateChecksum();
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$temp_text = $this->text . $this->keys[$this->checksumValue];
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// Starting Code
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$this->drawChar($im, '000', true);
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// Draw Second Code
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$this->drawChar($im, $this->findCode($temp_text[1]), false);
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// Draw Manufacturer Code
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for($i = 0; $i < 5; $i++) {
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$this->drawChar($im, BCGupca::inverse($this->findCode($temp_text[$i + 2]), $this->codeParity[$temp_text[0]][$i]), false);
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}
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// Draw Center Guard Bar
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$this->drawChar($im, '00000', false);
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// Draw Product Code
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for($i = 7; $i < 13; $i++) {
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$this->drawChar($im, $this->findCode($temp_text[$i]), true);
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}
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// Draw Right Guard Bar
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$this->drawChar($im, '000', true);
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$this->drawText($im);
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// We remove the 0 in front, as we said :)
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$this->text = substr($this->text, 1);
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}
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}
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}
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/**
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* Returns the maximal size of a barcode
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*
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* @return int[]
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*/
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function getMaxSize() {
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$p = BCGBarcode1D::getMaxSize();
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$startlength = 3 * $this->scale;
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$centerlength = 5 * $this->scale;
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$textlength = 12 * 7 * $this->scale;
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$endlength = 3 * $this->scale;
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$lastcharlength = $this->getEndPosition() + 2;
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return array($p[0] + $startlength + $centerlength + $textlength + $endlength + $lastcharlength, $p[1]);
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}
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/**
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* Overloaded method to calculate checksum
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*/
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function calculateChecksum() {
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// Calculating Checksum
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// Consider the right-most digit of the message to be in an "odd" position,
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// and assign odd/even to each character moving from right to left
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// Odd Position = 3, Even Position = 1
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// Multiply it by the number
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// Add all of that and do 10-(?mod10)
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$odd = true;
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$this->checksumValue = 0;
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$c = strlen($this->text);
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for($i = $c; $i > 0; $i--) {
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if($odd === true) {
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$multiplier = 3;
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$odd = false;
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} else {
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$multiplier = 1;
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$odd = true;
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}
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if(!isset($this->keys[$this->text[$i - 1]])) {
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return;
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}
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$this->checksumValue += $this->keys[$this->text[$i - 1]] * $multiplier;
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}
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$this->checksumValue = (10 - $this->checksumValue % 10) % 10;
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}
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/**
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* Overloaded method to display the checksum
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*/
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function processChecksum() {
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if($this->checksumValue === false) { // Calculate the checksum only once
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$this->calculateChecksum();
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}
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if($this->checksumValue !== false) {
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return $this->keys[$this->checksumValue];
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}
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return false;
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}
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/**
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* Overloaded method for drawing special label
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*
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* @param resource $im
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*/
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function drawText(&$im) {
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if($this->label !== $this->AUTO_LABEL) {
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BCGBarcode1D::drawText($im);
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} elseif($this->label !== '') {
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$temp_text = $this->text . $this->keys[$this->checksumValue];
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if(is_a($this->textfont, 'BCGFont')) {
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$code1 = 0;
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$code2 = 0;
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$this->textfont->setText($temp_text);
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$this->drawExtendedBars($im, $this->textfont->getHeight(), $code1, $code2);
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// We need to separate the text, one on the left and one on the right, one starting and one ending
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$text0 = substr($temp_text, 1, 1);
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$text1 = substr($temp_text, 2, 5);
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$text2 = substr($temp_text, 7, 5);
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$text3 = substr($temp_text, 12, 1);
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$font0 = $this->textfont; // clone
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$font1 = $this->textfont; // clone
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$font2 = $this->textfont; // clone
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$font3 = $this->textfont; // clone
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$font0->setText($text0);
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$font1->setText($text1);
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$font2->setText($text2);
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$font3->setText($text3);
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$xPosition0 = $this->offsetX * $this->scale - $font0->getWidth() - 4; // -4 is just for beauty;
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$xPosition3 = $this->offsetX * $this->scale + $this->positionX * $this->scale + 2;
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$yPosition0 = $this->thickness * $this->scale + $font0->getHeight() / 2 + $this->offsetY * $this->scale;
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$xPosition1 = ($this->scale * 36 - $font1->getWidth()) / 2 + $code1 * $this->scale + $this->offsetX * $this->scale;
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$xPosition2 = ($this->scale * 37 - $font2->getWidth()) / 2 + $code2 * $this->scale + $this->offsetX * $this->scale;
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$yPosition = $this->thickness * $this->scale + $this->textfont->getHeight() + $this->SIZE_SPACING_FONT + $this->offsetY * $this->scale;
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$text_color = $this->colorFg->allocate($im);
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$font0->draw($im, $text_color, $xPosition0, $yPosition0);
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$font1->draw($im, $text_color, $xPosition1, $yPosition);
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$font2->draw($im, $text_color, $xPosition2, $yPosition);
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$font3->draw($im, $text_color, $xPosition3, $yPosition0);
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} elseif($this->textfont !== 0) {
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$code1 = 0;
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$code2 = 0;
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$this->drawExtendedBars($im, 9, $code1, $code2);
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$xPosition0 = $this->offsetX * $this->scale - imagefontwidth($this->textfont);
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$xPosition3 = $this->offsetX * $this->scale + $this->positionX * $this->scale + 2;
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$yPosition0 = $this->thickness * $this->scale - imagefontheight($this->textfont) / 2 + $this->offsetY * $this->scale;
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$xPosition1 = ($this->scale * 36 - imagefontwidth($this->textfont) * 5) / 2 + $code1 * $this->scale + $this->offsetX * $this->scale;
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$xPosition2 = ($this->scale * 37 - imagefontwidth($this->textfont) * 5) / 2 + $code2 * $this->scale + $this->offsetX * $this->scale;
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$yPosition = $this->thickness * $this->scale + $this->offsetY * $this->scale;
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$text_color = $this->colorFg->allocate($im);
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imagechar($im, $this->textfont, $xPosition0, $yPosition0, $temp_text[1], $text_color);
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imagestring($im, $this->textfont, $xPosition1, $yPosition, substr($temp_text, 2, 5), $text_color);
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imagestring($im, $this->textfont, $xPosition2, $yPosition, substr($temp_text, 7, 5), $text_color);
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imagechar($im, $this->textfont, $xPosition3, $yPosition0, $temp_text[12], $text_color);
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}
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}
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}
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function setLabelOffset() {
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$label = $this->getLabel();
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if(!empty($label)) {
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if(is_a($this->textfont, 'BCGFont')) {
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$f = $this->textfont; // clone
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$f->setText(substr($label, 0, 1));
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$val = ($f->getWidth() + 5) / $this->scale;
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if($val > $this->offsetX) {
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$this->offsetX = $val;
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}
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} elseif($this->textfont !== 0) {
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$val = (imagefontwidth($this->textfont) + 2) / $this->scale;
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if($val > $this->offsetX) {
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$this->offsetX = $val;
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}
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}
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}
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}
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function drawExtendedBars(&$im, $plus, &$code1, &$code2) {
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$temp_text = $this->text . $this->keys[$this->checksumValue];
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$rememberX = $this->positionX;
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$rememberH = $this->thickness;
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// We increase the bars
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// First 2 Bars
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$this->thickness = $this->thickness + ceil($plus / $this->scale);
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$this->positionX = 0;
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$this->drawSingleBar($im, $this->COLOR_FG);
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$this->positionX += 2;
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$this->drawSingleBar($im, $this->COLOR_FG);
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// Attemping to increase the 2 following bars
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$this->positionX += 1;
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$code1 = $this->positionX;
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$temp_value = $this->findCode($temp_text[1]);
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$this->drawChar($im, $temp_value, false);
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$code1 = $this->positionX;
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// Center Guard Bar
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$this->positionX += 36;
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$this->drawSingleBar($im, $this->COLOR_FG);
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$this->positionX += 2;
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$this->drawSingleBar($im, $this->COLOR_FG);
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$code2 = $this->positionX;
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// Attemping to increase the 2 last bars
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$this->positionX += 37;
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$temp_value = $this->findCode($temp_text[12]);
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$this->drawChar($im, $temp_value, true);
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// Completly last bars
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$this->drawSingleBar($im, $this->COLOR_FG);
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$this->positionX += 2;
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$this->drawSingleBar($im, $this->COLOR_FG);
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$this->positionX = $rememberX;
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$this->thickness = $rememberH;
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}
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function getEndPosition() {
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if($this->label === $this->AUTO_LABEL) {
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$this->calculateChecksum();
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if(is_a($this->textfont, 'BCGFont')) {
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$f = $this->textfont; // clone
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$f->setText($this->checksumValue);
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return $f->getWidth();
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} elseif($this->textfont !== 0) {
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return imagefontwidth($this->textfont);
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}
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}
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return 0;
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}
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function inverse($text, $inverse = 1) { // static
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if($inverse === 1) {
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$text = strrev($text);
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}
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return $text;
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}
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};
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?>
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Reference in New Issue
Block a user