File.php
76 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * @package php-font-lib |
| 5 | * @link https://github.com/PhenX/php-font-lib |
| 6 | * @author Fabien Ménager <fabien.menager@gmail.com> |
| 7 | * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License |
| 8 | */ |
| 9 | namespace IAWP\FontLib\WOFF; |
| 10 | |
| 11 | use IAWP\FontLib\Table\DirectoryEntry; |
| 12 | /** |
| 13 | * WOFF font file. |
| 14 | * |
| 15 | * @package php-font-lib |
| 16 | * |
| 17 | * @property TableDirectoryEntry[] $directory |
| 18 | */ |
| 19 | class File extends \IAWP\FontLib\TrueType\File |
| 20 | { |
| 21 | function parseHeader() |
| 22 | { |
| 23 | if (!empty($this->header)) { |
| 24 | return; |
| 25 | } |
| 26 | $this->header = new Header($this); |
| 27 | $this->header->parse(); |
| 28 | } |
| 29 | public function load($file) |
| 30 | { |
| 31 | parent::load($file); |
| 32 | $this->parseTableEntries(); |
| 33 | $dataOffset = $this->pos() + \count($this->directory) * 20; |
| 34 | $fw = $this->getTempFile(\false); |
| 35 | $fr = $this->f; |
| 36 | $this->f = $fw; |
| 37 | $offset = $this->header->encode(); |
| 38 | foreach ($this->directory as $entry) { |
| 39 | // Read ... |
| 40 | $this->f = $fr; |
| 41 | $this->seek($entry->offset); |
| 42 | $data = $this->read($entry->length); |
| 43 | if ($entry->length < $entry->origLength) { |
| 44 | $data = (string) \gzuncompress($data); |
| 45 | } |
| 46 | // Prepare data ... |
| 47 | $length = \mb_strlen($data, '8bit'); |
| 48 | $entry->length = $entry->origLength = $length; |
| 49 | $entry->offset = $dataOffset; |
| 50 | // Write ... |
| 51 | $this->f = $fw; |
| 52 | // Woff Entry |
| 53 | $this->seek($offset); |
| 54 | $offset += $this->write($entry->tag, 4); |
| 55 | // tag |
| 56 | $offset += $this->writeUInt32($dataOffset); |
| 57 | // offset |
| 58 | $offset += $this->writeUInt32($length); |
| 59 | // length |
| 60 | $offset += $this->writeUInt32($length); |
| 61 | // origLength |
| 62 | $offset += $this->writeUInt32(DirectoryEntry::computeChecksum($data)); |
| 63 | // checksum |
| 64 | // Data |
| 65 | $this->seek($dataOffset); |
| 66 | $dataOffset += $this->write($data, $length); |
| 67 | } |
| 68 | $this->f = $fw; |
| 69 | $this->seek(0); |
| 70 | // Need to re-parse this, don't know why |
| 71 | $this->header = null; |
| 72 | $this->directory = array(); |
| 73 | $this->parseTableEntries(); |
| 74 | } |
| 75 | } |
| 76 |