<?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 Fonts * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id$ */ /** Internally used classes */ require_once 'Zend/Pdf/Element/Name.php'; /** Zend_Pdf_Resource_Font_FontDescriptor */ require_once 'Zend/Pdf/Resource/Font/FontDescriptor.php'; /** Zend_Pdf_Resource_Font_CidFont */ require_once 'Zend/Pdf/Resource/Font/CidFont.php'; /** * Type 2 CIDFonts implementation * * For Type 2, the CIDFont program is actually a TrueType font program, which has * no native notion of CIDs. In a TrueType font program, glyph descriptions are * identified by glyph index values. Glyph indices are internal to the font and are not * defined consistently from one font to another. Instead, a TrueType font program * contains a 'cmap' table that provides mappings directly from character codes to * glyph indices for one or more predefined encodings. * * @package Zend_Pdf * @subpackage Fonts * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Pdf_Resource_Font_CidFont_TrueType extends Zend_Pdf_Resource_Font_CidFont { /** * Object constructor * * @todo Joing this class with Zend_Pdf_Resource_Font_Simple_Parsed_TrueType * * @param Zend_Pdf_FileParser_Font_OpenType_TrueType $fontParser Font parser * object containing parsed TrueType file. * @param integer $embeddingOptions Options for font embedding. * @throws Zend_Pdf_Exception */ public function __construct(Zend_Pdf_FileParser_Font_OpenType_TrueType $fontParser, $embeddingOptions) { parent::__construct($fontParser, $embeddingOptions); $this->_fontType = Zend_Pdf_Font::TYPE_CIDFONT_TYPE_2; $this->_resource->Subtype = new Zend_Pdf_Element_Name('CIDFontType2'); $fontDescriptor = Zend_Pdf_Resource_Font_FontDescriptor::factory($this, $fontParser, $embeddingOptions); $this->_resource->FontDescriptor = $this->_objectFactory->newObject($fontDescriptor); /* Prepare CIDToGIDMap */ // Initialize 128K string of null characters (65536 2 byte integers) $cidToGidMapData = str_repeat("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 8192); // Fill the index $charGlyphs = $this->_cmap->getCoveredCharactersGlyphs(); foreach ($charGlyphs as $charCode => $glyph) { $cidToGidMapData[$charCode*2 ] = chr($glyph >> 8); $cidToGidMapData[$charCode*2 + 1] = chr($glyph & 0xFF); } // Store CIDToGIDMap within compressed stream object $cidToGidMap = $this->_objectFactory->newStreamObject($cidToGidMapData); $cidToGidMap->dictionary->Filter = new Zend_Pdf_Element_Name('FlateDecode'); $this->_resource->CIDToGIDMap = $cidToGidMap; } }