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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Pdf\Build\Font\TrueType\Table\Cmap; |
| 16 | |
| 17 | /** |
| 18 | * CMAP trimmed-table class |
| 19 | * |
| 20 | * @category Pop |
| 21 | * @package Pop\Pdf |
| 22 | * @author Nick Sagona, III <nick@popphp.org> |
| 23 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 24 | * @license https://www.popphp.org/license New BSD License |
| 25 | * @version 6.0.0 |
| 26 | */ |
| 27 | class TrimmedTable |
| 28 | { |
| 29 | |
| 30 | /** |
| 31 | * Method to parse the Trimmed Table (Format 6) CMAP data |
| 32 | * |
| 33 | * @param string $data |
| 34 | * @return array |
| 35 | */ |
| 36 | public static function parseData(string $data): array |
| 37 | { |
| 38 | $ary = unpack( |
| 39 | 'nfirstCode/' . |
| 40 | 'nentryCount', substr($data, 0, 4) |
| 41 | ); |
| 42 | |
| 43 | $ary['glyphId'] = array(); |
| 44 | |
| 45 | $bytePos = 4; |
| 46 | for ($i = 0; $i < $ary['entryCount']; $i++) { |
| 47 | $ar = unpack('nglyphIndex', substr($data, $bytePos, 2)); |
| 48 | $ary['glyphId'][$i] = $ar['glyphIndex']; |
| 49 | $bytePos += 2; |
| 50 | } |
| 51 | |
| 52 | return $ary; |
| 53 | } |
| 54 | |
| 55 | } |