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<?php
/* vim: set expandtab tabstop=4 softtabstop=4 shiftwidth=4: */
/**
* Image_Barcode class
*
* Package to render 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: $Id$
* @link http://pear.php.net/package/Image_Barcode
*/
require_once 'PEAR.php';
/**
* Image_Barcode class
*
* Package which provides a method to create 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 extends PEAR
{
/**
* Draws a image barcode
*
* @param string $text A text that should be in the image barcode
* @param string $type The barcode type. Supported types:
* Code39 - Code 3 of 9
* int25 - 2 Interleaved 5
* ean13 - EAN 13
* upca - UPC-A
* @param string $imgtype The image type that will be generated
* @param boolean $bSendToBrowser if the image shall be outputted to the
* browser, or be returned.
*
* @return image The corresponding gd image object;
* PEAR_Error on failure
*
* @access public
*
* @author Marcelo Subtil Marcal <msmarcal@php.net>
* @since Image_Barcode 0.3
*/
function &draw($text, $type = 'int25', $imgtype = 'png', $bSendToBrowser = true, $height=60, $barwidth = 1)
{
//Make sure no bad files are included
if (!preg_match('/^[a-zA-Z0-9_-]+$/', $type)) {
return PEAR::raiseError('Invalid barcode type ' . $type);
}
if (!include_once('Image/Barcode/' . $type . '.php')) {
return PEAR::raiseError($type . ' barcode is not supported');
}
$classname = 'Image_Barcode_' . $type;
if (!in_array('draw',get_class_methods($classname))) {
return PEAR::raiseError("Unable to find draw method in '$classname' class");
}
@$obj =& new $classname();
if (isset($obj->_barcodeheight)) $obj->_barcodeheight = $height;
if (isset($obj->_barwidth)) $obj->_barwidth = $barwidth;
$img = &$obj->draw($text, $imgtype);
if (PEAR::isError($img)) {
return $img;
}
if ($bSendToBrowser) {
// Send image to browser
switch ($imgtype) {
case 'gif':
header('Content-type: image/gif');
imagegif($img);
imagedestroy($img);
break;
case 'jpg':
header('Content-type: image/jpg');
imagejpeg($img);
imagedestroy($img);
break;
default:
header('Content-type: image/png');
imagepng($img);
imagedestroy($img);
break;
}
} else {
return $img;
}
}
}
?>
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