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1 | <?php |
2 | /** |
3 | * This file is part of PHPPresentation - A pure PHP library for reading and writing |
4 | * presentations documents. |
5 | * |
6 | * PHPPresentation 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/PHPPresentation/contributors. |
12 | * |
13 | * @see https://github.com/PHPOffice/PHPPresentation |
14 | * |
15 | * @copyright 2009-2015 PHPPresentation contributors |
16 | * @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3 |
17 | */ |
18 | |
19 | declare(strict_types=1); |
20 | |
21 | namespace PhpOffice\PhpPresentation; |
22 | |
23 | /** |
24 | * PhpOffice\PhpPresentation\GeometryCalculator. |
25 | */ |
26 | class GeometryCalculator |
27 | { |
28 | public const X = 'X'; |
29 | public const Y = 'Y'; |
30 | |
31 | /** |
32 | * Calculate X and Y offsets for a set of shapes within a container such as a slide or group. |
33 | * |
34 | * @return array<string, int> |
35 | */ |
36 | public static function calculateOffsets(ShapeContainerInterface $container): array |
37 | { |
38 | $offsets = [self::X => 0, self::Y => 0]; |
39 | |
40 | if (null !== $container && 0 != count($container->getShapeCollection())) { |
41 | $shapes = $container->getShapeCollection(); |
42 | if (null !== $shapes[0]) { |
43 | $offsets[self::X] = $shapes[0]->getOffsetX(); |
44 | $offsets[self::Y] = $shapes[0]->getOffsetY(); |
45 | } |
46 | |
47 | foreach ($shapes as $shape) { |
48 | if (null !== $shape) { |
49 | if ($shape->getOffsetX() < $offsets[self::X]) { |
50 | $offsets[self::X] = $shape->getOffsetX(); |
51 | } |
52 | |
53 | if ($shape->getOffsetY() < $offsets[self::Y]) { |
54 | $offsets[self::Y] = $shape->getOffsetY(); |
55 | } |
56 | } |
57 | } |
58 | } |
59 | |
60 | return $offsets; |
61 | } |
62 | |
63 | /** |
64 | * Calculate X and Y extents for a set of shapes within a container such as a slide or group. |
65 | * |
66 | * @return array<string, int> |
67 | */ |
68 | public static function calculateExtents(ShapeContainerInterface $container): array |
69 | { |
70 | /** @var array<string, int> $extents */ |
71 | $extents = [self::X => 0, self::Y => 0]; |
72 | |
73 | if (null !== $container && 0 != count($container->getShapeCollection())) { |
74 | $shapes = $container->getShapeCollection(); |
75 | if (null !== $shapes[0]) { |
76 | $extents[self::X] = (int) ($shapes[0]->getOffsetX() + $shapes[0]->getWidth()); |
77 | $extents[self::Y] = (int) ($shapes[0]->getOffsetY() + $shapes[0]->getHeight()); |
78 | } |
79 | |
80 | foreach ($shapes as $shape) { |
81 | if (null !== $shape) { |
82 | $extentX = (int) ($shape->getOffsetX() + $shape->getWidth()); |
83 | $extentY = (int) ($shape->getOffsetY() + $shape->getHeight()); |
84 | |
85 | if ($extentX > $extents[self::X]) { |
86 | $extents[self::X] = $extentX; |
87 | } |
88 | |
89 | if ($extentY > $extents[self::Y]) { |
90 | $extents[self::Y] = $extentY; |
91 | } |
92 | } |
93 | } |
94 | } |
95 | |
96 | return $extents; |
97 | } |
98 | } |