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<?php /* vim: set expandtab tabstop=4 softtabstop=4 shiftwidth=4: / /* * Image_Barcode_postnet class * * Renders PostNet 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 Josef "Jeff" Sipek <jeffpc@optonline.net> * @copyright 2005 Josef "Jeff" Sipek * @license http://www.php.net/license/3_0.txt PHP License 3.0 * @version CVS: $Id: postnet.php 304741 2010-10-25 09:14:17Z clockwerx $ * @link http://pear.php.net/package/Image_Barcode / / * Note: * * The generated barcode must fit the following criteria to be useable * by the USPS scanners: * * When printed, the dimensions should be: * * tall bar: 1/10 inches = 2.54 mm * short bar: 1/20 inches = 1.27 mm * density: 22 bars/inch = 8.66 bars/cm / require_once 'Image/Barcode.php'; /* * Image_Barcode_postnet class * * Package which provides a method to create PostNet barcode using GD library. * * @category Image * @package Image_Barcode * @author Josef "Jeff" Sipek <jeffpc@optonline.net> * @copyright 2005 Josef "Jeff" Sipek * @license http://www.php.net/license/3_0.txt PHP License 3.0 * @version CVS: $Id: postnet.php 304741 2010-10-25 09:14:17Z clockwerx $ * @link http://pear.php.net/package/Image_Barcode / class Image_Barcode_postnet extends Image_Barcode { /* * Barcode type * @var string / var $_type = 'postnet'; /* * Bar short height * * @var integer / var $_barshortheight = 7; /* * Bar tall height * * @var integer / var $_bartallheight = 15; /* * Bar width / scaling factor * * @var integer / var $_barwidth = 2; /* * Coding map * @var array / var $_coding_map = array( '0' => '11000', '1' => '00011', '2' => '00101', '3' => '00110', '4' => '01001', '5' => '01010', '6' => '01100', '7' => '10001', '8' => '10010', '9' => '10100' ); /* * Draws a PostNet image barcode * * @param string $text A text that should be in the image barcode * @param string $imgtype The image type that will be generated * * @return image The corresponding Interleaved 2 of 5 image barcode * * @access public * * @author Josef "Jeff" Sipek <jeffpc@optonline.net> * @since Image_Barcode 0.3 / function draw($text, $imgtype = 'png') { $text = trim($text); if (!preg_match('/[0-9]/', $text)) { return; } // Calculate the barcode width $barcodewidth = (strlen($text)) 2 * 5 * $this->_barwidth + $this->_barwidth3; // Create the image $img = ImageCreate($barcodewidth, $this->_bartallheight); // 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 $xpos = 0; // Draws the leader imagefilledrectangle($img, $xpos, 0, $xpos + $this->_barwidth - 1, $this->_bartallheight, $black); $xpos += 2$this->_barwidth; // Draw $text contents for ($idx = 0; $idx < strlen($text); $idx++) { $char = substr($text, $idx, 1); for ($baridx = 0; $baridx < 5; $baridx++) { $elementheight = (substr($this->_coding_map[$char], $baridx, 1)) ? 0 : $this->_barshortheight; imagefilledrectangle($img, $xpos, $elementheight, $xpos + $this->_barwidth - 1, $this->_bartallheight, $black); $xpos += 2$this->_barwidth; } } // Draws the trailer imagefilledrectangle($img, $xpos, 0, $xpos + $this->_barwidth - 1, $this->_bartallheight, $black); $xpos += 2$this->_barwidth; return $img; } // function create } // class ?>

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