/framework/vendor/zend/Zend/Pdf/FileParser/Font/OpenType/TrueType.php

 1<?php
 2/**
 3 * Zend Framework
 4 *
 5 * LICENSE
 6 *
 7 * This source file is subject to the new BSD license that is bundled
 8 * with this package in the file LICENSE.txt.
 9 * It is also available through the world-wide-web at this URL:
10 * http://framework.zend.com/license/new-bsd
11 * If you did not receive a copy of the license and are unable to
12 * obtain it through the world-wide-web, please send an email
13 * to license@zend.com so we can send you a copy immediately.
14 *
15 * @category   Zend
16 * @package    Zend_Pdf
17 * @subpackage FileParser
18 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
19 * @license    http://framework.zend.com/license/new-bsd     New BSD License
20 * @version    $Id: TrueType.php 20096 2010-01-06 02:05:09Z bkarwin $
21 */
22
23
24/** Zend_Pdf_FileParser_Font_OpenType */
25require_once 'Zend/Pdf/FileParser/Font/OpenType.php';
26
27/**
28 * Parses an OpenType font file containing TrueType outlines.
29 *
30 * @package    Zend_Pdf
31 * @subpackage FileParser
32 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
33 * @license    http://framework.zend.com/license/new-bsd     New BSD License
34 */
35class Zend_Pdf_FileParser_Font_OpenType_TrueType extends Zend_Pdf_FileParser_Font_OpenType
36{
37  /**** Public Interface ****/
38
39
40  /* Concrete Class Implementation */
41
42    /**
43     * Verifies that the font file actually contains TrueType outlines.
44     *
45     * @throws Zend_Pdf_Exception
46     */
47    public function screen()
48    {
49        if ($this->_isScreened) {
50            return;
51        }
52
53        parent::screen();
54
55        switch ($this->_readScalerType()) {
56            case 0x00010000:    // version 1.0 - Windows TrueType signature
57                break;
58
59            case 0x74727565:    // 'true' - Macintosh TrueType signature
60                break;
61
62            default:
63                require_once 'Zend/Pdf/Exception.php';
64                throw new Zend_Pdf_Exception('Not a TrueType font file',
65                                             Zend_Pdf_Exception::WRONG_FONT_TYPE);
66        }
67
68        $this->fontType = Zend_Pdf_Font::TYPE_TRUETYPE;
69        $this->_isScreened = true;
70    }
71
72    /**
73     * Reads and parses the TrueType font data from the file on disk.
74     *
75     * @throws Zend_Pdf_Exception
76     */
77    public function parse()
78    {
79        if ($this->_isParsed) {
80            return;
81        }
82
83        parent::parse();
84
85        /* There is nothing additional to parse for TrueType fonts at this time.
86         */
87
88        $this->_isParsed = true;
89    }
90}