Файл: library/Zend/Pdf/Element/Numeric.php
Строк: 103
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Numeric.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/** Zend_Pdf_Element */
require_once 'Zend/Pdf/Element.php';
/**
* PDF file 'numeric' element implementation
*
* @category Zend
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Pdf_Element_Numeric extends Zend_Pdf_Element
{
/**
* Object value
*
* @var numeric
*/
public $value;
/**
* Object constructor
*
* @param numeric $val
* @throws Zend_Pdf_Exception
*/
public function __construct($val)
{
if ( !is_numeric($val) ) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Argument must be numeric');
}
$this->value = $val;
}
/**
* Return type of the element.
*
* @return integer
*/
public function getType()
{
return Zend_Pdf_Element::TYPE_NUMERIC;
}
/**
* Return object as string
*
* @param Zend_Pdf_Factory $factory
* @return string
*/
public function toString($factory = null)
{
if (is_integer($this->value)) {
return (string)$this->value;
}
/**
* PDF doesn't support exponental format.
* Fixed point format must be used instead
*/
$prec = 0; $v = $this->value;
while (abs( floor($v) - $v ) > 1e-10) {
$prec++; $v *= 10;
}
return sprintf("%.{$prec}F", $this->value);
}
}