135 lines
3.4 KiB
PHP
135 lines
3.4 KiB
PHP
<?php
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/**
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* BCGpostnet.barcode.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - PostNet
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*
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* ################ NOT TESTED ################
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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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* v1.2.3b 31 dec 2005 Jean-Sébastien Goupil PHP5.1 compatible
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* v1.2.1 27 jun 2005 Jean-Sébastien Goupil Font support added + Redesign output
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* V1.00 17 jun 2004 Jean-Sebastien Goupil
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*--------------------------------------------------------------------
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* $Id: BCGpostnet.barcode.php,v 1.12 2009/11/09 04:13:35 jsgoupil Exp $
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* PHP5-Revision: 1.13
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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 BCGpostnet extends BCGBarcode1D {
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/**
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* Constructor
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*/
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function BCGpostnet() {
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BCGBarcode1D::BCGBarcode1D();
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$this->keys = array('0','1','2','3','4','5','6','7','8','9');
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$this->code = array(
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'11000', /* 0 */
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'00011', /* 1 */
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'00101', /* 2 */
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'00110', /* 3 */
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'01001', /* 4 */
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'01010', /* 5 */
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'01100', /* 6 */
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'10001', /* 7 */
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'10010', /* 8 */
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'10100' /* 9 */
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);
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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 5, 9 or 11 chars
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if($c !== 5 && $c !== 9 && $c !== 11) {
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$this->drawError($im, 'Must contain 5, 9 or 11 chars.');
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$error_stop = true;
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}
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if($error_stop === false) {
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// Checksum
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$checksum = 0;
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for($i = 0; $i < $c; $i++) {
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$checksum += intval($this->text[$i]);
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}
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$checksum = 10 - ($checksum % 10);
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// Starting Code
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$this->drawChar($im, '1');
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// Code
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for($i = 0; $i < $c; $i++) {
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$this->drawChar($im, $this->findCode($this->text[$i]));
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}
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// Checksum
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$this->drawChar($im, $this->findCode($checksum));
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//Ending Code
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$this->drawChar($im, '1');
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$this->drawText($im);
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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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$p = BCGBarcode1D::getMaxSize();
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$c = strlen($this->text);
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$startlength = 6 * $this->scale;
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$textlength = $c * 5 * 6 * $this->scale;
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$checksumlength = 5 * 6 * $this->scale;
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$endlength = 6 * $this->scale;
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// We remove the white on the right
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$removelength = - 3 * $this->scale;
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return array($p[0] + $startlength + $textlength + $checksumlength + $endlength + $removelength, $p[1]);
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}
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/**
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* Overloaded method for drawing special barcode
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*
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* @param resource $im
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* @param string $code
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* @param boolean $last
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*/
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function drawChar(&$im, $code, $last = false) {
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$c = strlen($code);
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for($i = 0; $i < $c; $i++) {
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if($code[$i] === '0') {
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$posY = $this->thickness / 2;
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} else {
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$posY = 0;
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}
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$this->drawFilledRectangle($im, $this->positionX, $posY, $this->positionX + 2, $this->thickness, $this->COLOR_FG);
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$this->positionX += 2 * 3;
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}
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}
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};
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?>
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