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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Pdf\Build\Font\TrueType\Table; |
| 15 | |
| 16 | /** |
| 17 | * HEAD table class |
| 18 | * |
| 19 | * @category Pop |
| 20 | * @package Pop\Pdf |
| 21 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 22 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 23 | * @license http://www.popphp.org/license New BSD License |
| 24 | * @version 5.0.0 |
| 25 | */ |
| 26 | class Head extends AbstractTable |
| 27 | { |
| 28 | |
| 29 | /** |
| 30 | * Font table properties |
| 31 | * @var array |
| 32 | */ |
| 33 | protected array $properties = []; |
| 34 | |
| 35 | /** |
| 36 | * Constructor |
| 37 | * |
| 38 | * Instantiate a TTF 'head' table object. |
| 39 | * |
| 40 | * @param \Pop\Pdf\Build\Font\TrueType $font |
| 41 | */ |
| 42 | public function __construct(\Pop\Pdf\Build\Font\TrueType $font) |
| 43 | { |
| 44 | $bytePos = $font->tableInfo['head']->offset; |
| 45 | |
| 46 | $tableVersionNumberBytes = $font->read($bytePos, 4); |
| 47 | $tableVersionNumber = $font->readFixed(16, 16, $tableVersionNumberBytes); |
| 48 | |
| 49 | $bytePos += 4; |
| 50 | |
| 51 | $fontRevisionBytes = $font->read($bytePos, 4); |
| 52 | $fontRevision = $font->readFixed(16, 16, $fontRevisionBytes); |
| 53 | |
| 54 | $versionArray = [ |
| 55 | 'tableVersionNumber' => $tableVersionNumber, |
| 56 | 'fontRevision' => $fontRevision |
| 57 | ]; |
| 58 | |
| 59 | $bytePos += 4; |
| 60 | |
| 61 | $headerArray = unpack( |
| 62 | 'NcheckSumAdjustment/' . |
| 63 | 'NmagicNumber/' . |
| 64 | 'nflags/' . |
| 65 | 'nunitsPerEm', $font->read($bytePos, 12) |
| 66 | ); |
| 67 | |
| 68 | $bytePos += 28; |
| 69 | $bBox = unpack( |
| 70 | 'nxMin/' . |
| 71 | 'nyMin/' . |
| 72 | 'nxMax/' . |
| 73 | 'nyMax', $font->read($bytePos, 8) |
| 74 | ); |
| 75 | $bBox = $font->shiftToSigned($bBox); |
| 76 | |
| 77 | $bytePos += 14; |
| 78 | $indexToLocFormat = unpack('nindexToLocFormat', $font->read($bytePos, 2)); |
| 79 | $headerArray['indexToLocFormat'] = $font->shiftToSigned($indexToLocFormat['indexToLocFormat']); |
| 80 | |
| 81 | $this->properties = array_merge($versionArray, $headerArray, $bBox); |
| 82 | } |
| 83 | |
| 84 | } |