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<?php /* vim: set expandtab tabstop=4 softtabstop=4 shiftwidth=4: / /* * Image_Barcode_int25 class * * Renders Interleaved 2 of 5 barcodes * * PHP versions 4 * * LICENSE: This source file is subject to version 3.0 of the PHP license * that is available through the world-wide-web at the following URI: * http://www.php.net/license/3_0.txt. If you did not receive a copy of * the PHP License and are unable to obtain it through the web, please * send a note to license@php.net so we can mail you a copy immediately. * * @category Image * @package Image_Barcode * @author Marcelo Subtil Marcal <msmarcal@php.net> * @copyright 2005 The PHP Group * @license http://www.php.net/license/3_0.txt PHP License 3.0 * @version CVS: $Id: int25.php 304741 2010-10-25 09:14:17Z clockwerx $ * @link http://pear.php.net/package/Image_Barcode / require_once "PEAR.php"; require_once "Image/Barcode.php"; /* * Image_Barcode_int25 class * * Package which provides a method to create Interleaved 2 of 5 barcode using GD library. * * @category Image * @package Image_Barcode * @author Marcelo Subtil Marcal <msmarcal@php.net> * @copyright 2005 The PHP Group * @license http://www.php.net/license/3_0.txt PHP License 3.0 * @version Release: @package_version@ * @link http://pear.php.net/package/Image_Barcode / class Image_Barcode_int25 extends Image_Barcode { /* * Barcode type * @var string / var $_type = 'int25'; /* * Barcode height * * @var integer / var $_barcodeheight = 50; /* * Bar thin width * * @var integer / var $_barthinwidth = 1; /* * Bar thick width * * @var integer / var $_barthickwidth = 3; /* * Coding map * @var array / var $_coding_map = array( '0' => '00110', '1' => '10001', '2' => '01001', '3' => '11000', '4' => '00101', '5' => '10100', '6' => '01100', '7' => '00011', '8' => '10010', '9' => '01010' ); /* * Draws a Interleaved 2 of 5 image barcode * * @param string $text A text that should be in the image barcode * @param string $imgtype The image type that will be generated * * @return image The corresponding Interleaved 2 of 5 image barcode * * @access public * * @author Marcelo Subtil Marcal <msmarcal@php.net> * @since Image_Barcode 0.3 / function &draw($text, $imgtype = 'png') { $text = trim($text); if (!preg_match("/[0-9]/",$text)) return; // if odd $text lenght adds a '0' at string beginning $text = strlen($text) % 2 ? '0' . $text : $text; // Calculate the barcode width $barcodewidth = (strlen($text)) (3 * $this->_barthinwidth + 2 * $this->_barthickwidth) + (strlen($text)) * 2.5 + (7 * $this->_barthinwidth + $this->_barthickwidth) + 3; // Create the image $img = ImageCreate($barcodewidth, $this->_barcodeheight); // Alocate the black and white colors $black = ImageColorAllocate($img, 0, 0, 0); $white = ImageColorAllocate($img, 255, 255, 255); // Fill image with white color imagefill($img, 0, 0, $white); // Initiate x position $xpos = 0; // Draws the leader for ($i=0; $i < 2; $i++) { $elementwidth = $this->_barthinwidth; imagefilledrectangle($img, $xpos, 0, $xpos + $elementwidth - 1, $this->_barcodeheight, $black); $xpos += $elementwidth; $xpos += $this->_barthinwidth; $xpos ++; } // Draw $text contents for ($idx = 0; $idx < strlen($text); $idx += 2) { // Draw 2 chars at a time $oddchar = substr($text, $idx, 1); // get odd char $evenchar = substr($text, $idx + 1, 1); // get even char // interleave for ($baridx = 0; $baridx < 5; $baridx++) { // Draws odd char corresponding bar (black) $elementwidth = (substr($this->_coding_map[$oddchar], $baridx, 1)) ? $this->_barthickwidth : $this->_barthinwidth; imagefilledrectangle($img, $xpos, 0, $xpos + $elementwidth - 1, $this->_barcodeheight, $black); $xpos += $elementwidth; // Left enought space to draw even char (white) $elementwidth = (substr($this->_coding_map[$evenchar], $baridx, 1)) ? $this->_barthickwidth : $this->_barthinwidth; $xpos += $elementwidth; $xpos ++; } } // Draws the trailer $elementwidth = $this->_barthickwidth; imagefilledrectangle($img, $xpos, 0, $xpos + $elementwidth - 1, $this->_barcodeheight, $black); $xpos += $elementwidth; $xpos += $this->_barthinwidth; $xpos ++; $elementwidth = $this->_barthinwidth; imagefilledrectangle($img, $xpos, 0, $xpos + $elementwidth - 1, $this->_barcodeheight, $black); return $img; } // function create } // class ?>

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