forked from zendframework/ZendPdf
/
TrueType.php
85 lines (71 loc) · 2.2 KB
/
TrueType.php
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<?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
* @subpackage FileParser
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Pdf\BinaryParser\Font\OpenType;
use Zend\Pdf\Exception;
use Zend\Pdf;
/**
* Parses an OpenType font file containing TrueType outlines.
*
* @package Zend_PDF
* @subpackage FileParser
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class TrueType extends AbstractOpenType
{
/**** Public Interface ****/
/* Concrete Class Implementation */
/**
* Verifies that the font file actually contains TrueType outlines.
*
* @throws \Zend\Pdf\Exception
*/
public function screen()
{
if ($this->_isScreened) {
return;
}
parent::screen();
switch ($this->_readScalerType()) {
case 0x00010000: // version 1.0 - Windows TrueType signature
break;
case 0x74727565: // 'true' - Macintosh TrueType signature
break;
default:
throw new Exception\UnrecognizedFontException('Not a TrueType font file');
}
$this->fontType = Pdf\Font::TYPE_TRUETYPE;
$this->_isScreened = true;
}
/**
* Reads and parses the TrueType font data from the file on disk.
*/
public function parse()
{
if ($this->_isParsed) {
return;
}
parent::parse();
/* There is nothing additional to parse for TrueType fonts at this time.
*/
$this->_isParsed = true;
}
}