diff options
Diffstat (limited to '')
| -rw-r--r-- | library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Table/Type/loca.php | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Table/Type/loca.php b/library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Table/Type/loca.php new file mode 100644 index 0000000..cbc2a20 --- /dev/null +++ b/library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Table/Type/loca.php @@ -0,0 +1,80 @@ +<?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 + */ + +namespace FontLib\Table\Type; +use FontLib\Table\Table; + +/** + * `loca` font table. + * + * @package php-font-lib + */ +class loca extends Table { + protected function _parse() { + $font = $this->getFont(); + $offset = $font->pos(); + + $indexToLocFormat = $font->getData("head", "indexToLocFormat"); + $numGlyphs = $font->getData("maxp", "numGlyphs"); + + $font->seek($offset); + + $data = array(); + + // 2 bytes + if ($indexToLocFormat == 0) { + $d = $font->read(($numGlyphs + 1) * 2); + $loc = unpack("n*", $d); + + for ($i = 0; $i <= $numGlyphs; $i++) { + $data[] = isset($loc[$i + 1]) ? $loc[$i + 1] * 2 : 0; + } + } + + // 4 bytes + else { + if ($indexToLocFormat == 1) { + $d = $font->read(($numGlyphs + 1) * 4); + $loc = unpack("N*", $d); + + for ($i = 0; $i <= $numGlyphs; $i++) { + $data[] = isset($loc[$i + 1]) ? $loc[$i + 1] : 0; + } + } + } + + $this->data = $data; + } + + function _encode() { + $font = $this->getFont(); + $data = $this->data; + + $indexToLocFormat = $font->getData("head", "indexToLocFormat"); + $numGlyphs = $font->getData("maxp", "numGlyphs"); + $length = 0; + + // 2 bytes + if ($indexToLocFormat == 0) { + for ($i = 0; $i <= $numGlyphs; $i++) { + $length += $font->writeUInt16($data[$i] / 2); + } + } + + // 4 bytes + else { + if ($indexToLocFormat == 1) { + for ($i = 0; $i <= $numGlyphs; $i++) { + $length += $font->writeUInt32($data[$i]); + } + } + } + + return $length; + } +}
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