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1<?php
2/**
3 * This file is part of PHPWord - A pure PHP library for reading and writing
4 * word processing documents.
5 *
6 * PHPWord is free software distributed under the terms of the GNU Lesser
7 * General Public License version 3 as published by the Free Software Foundation.
8 *
9 * For the full copyright and license information, please read the LICENSE
10 * file that was distributed with this source code. For the full list of
11 * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
12 *
13 * @see         https://github.com/PHPOffice/PHPWord
14 *
15 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
16 */
17
18namespace PhpOffice\PhpWord\Writer\Word2007\Style;
19
20/**
21 * Spacing between lines and above/below paragraph style writer.
22 *
23 * @since 0.10.0
24 */
25class Spacing extends AbstractStyle
26{
27    /**
28     * Write style.
29     */
30    public function write(): void
31    {
32        $style = $this->getStyle();
33        if (!$style instanceof \PhpOffice\PhpWord\Style\Spacing) {
34            return;
35        }
36        $xmlWriter = $this->getXmlWriter();
37
38        $xmlWriter->startElement('w:spacing');
39
40        $before = $style->getBefore();
41        $xmlWriter->writeAttributeIf(null !== $before, 'w:before', $this->convertTwip($before));
42
43        $after = $style->getAfter();
44        $xmlWriter->writeAttributeIf(null !== $after, 'w:after', $this->convertTwip($after));
45
46        $line = $style->getLine();
47        //if linerule is auto, the spacing is supposed to include the height of the line itself, which is 240 twips
48        if (null !== $line && 'auto' === $style->getLineRule()) {
49            $line += \PhpOffice\PhpWord\Style\Paragraph::LINE_HEIGHT;
50        }
51        $xmlWriter->writeAttributeIf(null !== $line, 'w:line', $line);
52
53        $xmlWriter->writeAttributeIf(null !== $line, 'w:lineRule', $style->getLineRule());
54
55        $xmlWriter->endElement();
56    }
57}