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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace setasign\Fpdi\PdfReader;
/**
* An abstract class for page boundary constants and some helper methods
*/
abstract class PageBoundaries
{
/**
* MediaBox
*
* The media box defines the boundaries of the physical medium on which the page is to be printed.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const MEDIA_BOX = 'MediaBox';
/**
* CropBox
*
* The crop box defines the region to which the contents of the page shall be clipped (cropped) when displayed or
* printed.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const CROP_BOX = 'CropBox';
/**
* BleedBox
*
* The bleed box defines the region to which the contents of the page shall be clipped when output in a
* production environment.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const BLEED_BOX = 'BleedBox';
/**
* TrimBox
*
* The trim box defines the intended dimensions of the finished page after trimming.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const TRIM_BOX = 'TrimBox';
/**
* ArtBox
*
* The art box defines the extent of the page’s meaningful content (including potential white space) as intended
* by the page’s creator.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const ART_BOX = 'ArtBox';
/**
* All page boundaries
*
* @var array
*/
public static $all = array(
self::MEDIA_BOX,
self::CROP_BOX,
self::BLEED_BOX,
self::TRIM_BOX,
self::ART_BOX
);
/**
* Checks if a name is a valid page boundary name.
*
* @param string $name The boundary name
* @return boolean A boolean value whether the name is valid or not.
*/
public static function isValidName($name)
{
return \in_array($name, self::$all, true);
}
}
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