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<?php |
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/** |
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* @package php-font-lib |
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* @link https://github.com/dompdf/php-font-lib |
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* @author Fabien Ménager <[email protected]> |
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License |
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*/ |
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|
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namespace FontLib\WOFF; |
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|
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use FontLib\Table\DirectoryEntry; |
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|
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/** |
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* WOFF font file. |
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* |
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* @package php-font-lib |
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* |
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* @property TableDirectoryEntry[] $directory |
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*/ |
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class File extends \FontLib\TrueType\File { |
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function parseHeader() { |
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if (!empty($this->header)) { |
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return; |
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} |
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|
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$this->header = new Header($this); |
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$this->header->parse(); |
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} |
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|
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public function load($file) { |
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parent::load($file); |
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|
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$this->parseTableEntries(); |
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$dataOffset = $this->pos() + count($this->directory) * 20; |
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|
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$fw = $this->getTempFile(false); |
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$fr = $this->f; |
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|
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$this->f = $fw; |
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$offset = $this->header->encode(); |
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|
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foreach ($this->directory as $entry) { |
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// Read ... |
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$this->f = $fr; |
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$this->seek($entry->offset); |
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$data = $this->read($entry->length); |
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|
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if ($entry->length < $entry->origLength) { |
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$data = (string) gzuncompress($data); |
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} |
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|
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// Prepare data ... |
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$length = mb_strlen($data, '8bit'); |
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$entry->length = $entry->origLength = $length; |
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$entry->offset = $dataOffset; |
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|
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// Write ... |
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$this->f = $fw; |
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|
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// Woff Entry |
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$this->seek($offset); |
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$offset += $this->write($entry->tag, 4); // tag |
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$offset += $this->writeUInt32($dataOffset); // offset |
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$offset += $this->writeUInt32($length); // length |
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$offset += $this->writeUInt32($length); // origLength |
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$offset += $this->writeUInt32(DirectoryEntry::computeChecksum($data)); // checksum |
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|
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// Data |
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$this->seek($dataOffset); |
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$dataOffset += $this->write($data, $length); |
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} |
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|
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$this->f = $fw; |
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$this->seek(0); |
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|
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// Need to re-parse this, don't know why |
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$this->header = null; |
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$this->directory = array(); |
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$this->parseTableEntries(); |
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} |
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} |
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|
