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<?php /** * @package php-font-lib * @link https://github.com/PhenX/php-font-lib * @author Fabien Ménager <fabien.menager@gmail.com> * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */
require_once dirname(__FILE__) . "/Font_TrueType.php"; require_once dirname(__FILE__) . "/Font_WOFF_Table_Directory_Entry.php"; require_once dirname(__FILE__) . "/Font_WOFF_Header.php";
/** * WOFF font file. * * @package php-font-lib * * @property Font_WOFF_Table_Directory_Entry[] $directory */ class Font_WOFF extends Font_TrueType { function parseHeader(){ if (!empty($this->header)) { return; } $this->header = new Font_WOFF_Header($this); $this->header->parse(); } public function load($file) { parent::load($file); $this->parseTableEntries(); $dataOffset = $this->pos() + count($this->directory) * 20; $fw = $this->getTempFile(false); $fr = $this->f; $this->f = $fw; $offset = $this->header->encode(); foreach($this->directory as $entry) { // Read ... $this->f = $fr; $this->seek($entry->offset); $data = $this->read($entry->length);
if ($entry->length < $entry->origLength) { $data = gzuncompress($data); } // Prepare data ... $length = strlen($data); $entry->length = $entry->origLength = $length; $entry->offset = $dataOffset;
// Write ... $this->f = $fw; // Woff Entry $this->seek($offset); $offset += $this->write($entry->tag, 4); // tag $offset += $this->writeUInt32($dataOffset); // offset $offset += $this->writeUInt32($length); // length $offset += $this->writeUInt32($length); // origLength $offset += $this->writeUInt32(Font_Table_Directory_Entry::computeChecksum($data)); // checksum // Data $this->seek($dataOffset); $dataOffset += $this->write($data, $length); } $this->f = $fw; $this->seek(0); // Need to re-parse this, don't know why $this->header = null; $this->directory = array(); $this->parseTableEntries(); } }
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