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<?php |
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/** |
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* This file is part of PHPPresentation - A pure PHP library for reading and writing |
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* presentations documents. |
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* |
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* PHPPresentation is free software distributed under the terms of the GNU Lesser |
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* General Public License version 3 as published by the Free Software Foundation. |
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* |
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* For the full copyright and license information, please read the LICENSE |
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* file that was distributed with this source code. For the full list of |
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* contributors, visit https://github.com/PHPOffice/PHPPresentation/contributors. |
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* |
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* @link https://github.com/PHPOffice/PHPPresentation |
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* @copyright 2009-2015 PHPPresentation contributors |
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* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3 |
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*/ |
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namespace PhpOffice\PhpPresentation; |
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/** |
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* PhpOffice\PhpPresentation\GeometryCalculator |
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*/ |
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class GeometryCalculator |
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{ |
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const X = 'X'; |
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const Y = 'Y'; |
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/** |
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* Calculate X and Y offsets for a set of shapes within a container such as a slide or group. |
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* |
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* @param \PhpOffice\PhpPresentation\ShapeContainerInterface $container |
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* @return array |
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*/ |
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public static function calculateOffsets(ShapeContainerInterface $container) |
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{ |
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$offsets = array(self::X => 0, self::Y => 0); |
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if ($container !== null && count($container->getShapeCollection()) != 0) { |
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$shapes = $container->getShapeCollection(); |
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if ($shapes[0] !== null) { |
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$offsets[self::X] = $shapes[0]->getOffsetX(); |
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$offsets[self::Y] = $shapes[0]->getOffsetY(); |
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} |
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foreach ($shapes as $shape) { |
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if ($shape !== null) { |
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if ($shape->getOffsetX() < $offsets[self::X]) { |
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$offsets[self::X] = $shape->getOffsetX(); |
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} |
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if ($shape->getOffsetY() < $offsets[self::Y]) { |
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$offsets[self::Y] = $shape->getOffsetY(); |
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} |
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} |
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} |
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} |
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return $offsets; |
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} |
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/** |
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* Calculate X and Y extents for a set of shapes within a container such as a slide or group. |
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* |
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* @param \PhpOffice\PhpPresentation\ShapeContainerInterface $container |
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* @return array |
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*/ |
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public static function calculateExtents(ShapeContainerInterface $container) |
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{ |
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$extents = array(self::X => 0, self::Y => 0); |
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if ($container !== null && count($container->getShapeCollection()) != 0) { |
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$shapes = $container->getShapeCollection(); |
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if ($shapes[0] !== null) { |
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$extents[self::X] = $shapes[0]->getOffsetX() + $shapes[0]->getWidth(); |
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$extents[self::Y] = $shapes[0]->getOffsetY() + $shapes[0]->getHeight(); |
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} |
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foreach ($shapes as $shape) { |
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if ($shape !== null) { |
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$extentX = $shape->getOffsetX() + $shape->getWidth(); |
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$extentY = $shape->getOffsetY() + $shape->getHeight(); |
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if ($extentX > $extents[self::X]) { |
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$extents[self::X] = $extentX; |
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} |
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if ($extentY > $extents[self::Y]) { |
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$extents[self::Y] = $extentY; |
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} |
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} |
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} |
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} |
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return $extents; |
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} |
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} |
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PHPOffice /
PHPPresentation
