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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\Writer; |
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use PhpOffice\PhpPresentation\HashTable; |
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use PhpOffice\PhpPresentation\PhpPresentation; |
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use PhpOffice\PhpPresentation\Shape\Drawing as ShapeDrawing; |
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use PhpOffice\PhpPresentation\Shape\MemoryDrawing; |
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use PhpOffice\PhpPresentation\Slide\Background\Image; |
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use PhpOffice\PhpPresentation\Writer\ODPresentation\Content; |
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use PhpOffice\PhpPresentation\Writer\ODPresentation\Drawing; |
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use PhpOffice\PhpPresentation\Writer\ODPresentation\Manifest; |
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use PhpOffice\PhpPresentation\Writer\ODPresentation\Meta; |
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use PhpOffice\PhpPresentation\Writer\ODPresentation\Mimetype; |
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use PhpOffice\PhpPresentation\Writer\ODPresentation\ObjectsChart; |
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use PhpOffice\PhpPresentation\Writer\ODPresentation\Styles; |
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use PhpOffice\PhpPresentation\Shape\AbstractDrawing; |
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/** |
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* ODPresentation writer |
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*/ |
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class ODPresentation implements WriterInterface |
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{ |
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/** |
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* Private PhpPresentation |
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* |
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* @var \PhpOffice\PhpPresentation\PhpPresentation |
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*/ |
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private $presentation; |
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/** |
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* Private writer parts |
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* |
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* @var \PhpOffice\PhpPresentation\Writer\ODPresentation\AbstractPart[] |
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*/ |
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private $writerParts; |
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/** |
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* Private unique hashtable |
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* |
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* @var \PhpOffice\PhpPresentation\HashTable |
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*/ |
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private $drawingHashTable; |
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/** |
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* @var \PhpOffice\PhpPresentation\Shape\Chart[] |
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*/ |
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public $chartArray = array(); |
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/** |
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* Use disk caching where possible? |
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* |
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* @var boolean |
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*/ |
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private $useDiskCaching = false; |
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/** |
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* Disk caching directory |
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* |
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* @var string |
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*/ |
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private $diskCachingDirectory; |
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/** |
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* Create a new \PhpOffice\PhpPresentation\Writer\ODPresentation |
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* |
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* @param PhpPresentation $pPhpPresentation |
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*/ |
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public function __construct(PhpPresentation $pPhpPresentation = null) |
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{ |
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// Assign PhpPresentation |
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$this->setPhpPresentation($pPhpPresentation); |
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// Set up disk caching location |
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$this->diskCachingDirectory = './'; |
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// Initialise writer parts |
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$this->writerParts['content'] = new Content(); |
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$this->writerParts['manifest'] = new Manifest(); |
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$this->writerParts['meta'] = new Meta(); |
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$this->writerParts['mimetype'] = new Mimetype(); |
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$this->writerParts['styles'] = new Styles(); |
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$this->writerParts['charts'] = new ObjectsChart(); |
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$this->writerParts['drawing'] = new Drawing(); |
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// Assign parent WriterInterface |
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foreach ($this->writerParts as $writer) { |
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$writer->setParentWriter($this); |
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} |
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// Set HashTable variables |
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$this->drawingHashTable = new HashTable(); |
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} |
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/** |
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* Save PhpPresentation to file |
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* |
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* @param string $pFilename |
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* @throws \Exception |
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*/ |
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public function save($pFilename) |
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{ |
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if (empty($pFilename)) { |
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throw new \Exception("Filename is empty"); |
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} |
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if (!is_null($this->presentation)) { |
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// If $pFilename is php://output or php://stdout, make it a temporary file... |
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$originalFilename = $pFilename; |
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if (strtolower($pFilename) == 'php://output' || strtolower($pFilename) == 'php://stdout') { |
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$pFilename = @tempnam('./', 'phppttmp'); |
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if ($pFilename == '') { |
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$pFilename = $originalFilename; |
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} |
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} |
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$writerPartChart = $this->getWriterPart('charts'); |
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if (!$writerPartChart instanceof ObjectsChart) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Writer\ODPresentation\ObjectsChart'); |
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} |
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$writerPartContent = $this->getWriterPart('content'); |
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if (!$writerPartContent instanceof Content) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Writer\ODPresentation\Content'); |
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} |
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$writerPartDrawing = $this->getWriterPart('Drawing'); |
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if (!$writerPartDrawing instanceof Drawing) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Writer\ODPresentation\Drawing'); |
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} |
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$writerPartManifest = $this->getWriterPart('manifest'); |
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if (!$writerPartManifest instanceof Manifest) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Writer\ODPresentation\Manifest'); |
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} |
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$writerPartMeta = $this->getWriterPart('meta'); |
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if (!$writerPartMeta instanceof Meta) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Writer\ODPresentation\Meta'); |
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} |
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$writerPartMimetype = $this->getWriterPart('mimetype'); |
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if (!$writerPartMimetype instanceof Mimetype) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Writer\ODPresentation\Mimetype'); |
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} |
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$writerPartStyles = $this->getWriterPart('styles'); |
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if (!$writerPartStyles instanceof Styles) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Writer\ODPresentation\Styles'); |
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} |
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// Create drawing dictionary |
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$this->drawingHashTable->addFromSource($writerPartDrawing->allDrawings($this->presentation)); |
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// Create new ZIP file and open it for writing |
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$objZip = new \ZipArchive(); |
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// Try opening the ZIP file |
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if ($objZip->open($pFilename, \ZIPARCHIVE::OVERWRITE) !== true) { |
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if ($objZip->open($pFilename, \ZIPARCHIVE::CREATE) !== true) { |
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throw new \Exception("Could not open " . $pFilename . " for writing."); |
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} |
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} |
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// Add mimetype to ZIP file |
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//@todo Not in ZIPARCHIVE::CM_STORE mode |
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$objZip->addFromString('mimetype', $writerPartMimetype->writePart()); |
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// Add content.xml to ZIP file |
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$objZip->addFromString('content.xml', $writerPartContent->writePart($this->presentation)); |
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// Add meta.xml to ZIP file |
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$objZip->addFromString('meta.xml', $writerPartMeta->writePart($this->presentation)); |
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// Add styles.xml to ZIP file |
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$objZip->addFromString('styles.xml', $writerPartStyles->writePart($this->presentation)); |
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// Add META-INF/manifest.xml |
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$objZip->addFromString('META-INF/manifest.xml', $writerPartManifest->writePart()); |
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// Add Thumbnail |
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if ($this->presentation->getPresentationProperties()->getThumbnailPath()) { |
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$pathThumbnail = $this->presentation->getPresentationProperties()->getThumbnailPath(); |
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// Size : 128x128 pixel |
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// PNG : 8bit, non-interlaced with full alpha transparency |
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$gdImage = imagecreatefromstring(file_get_contents($pathThumbnail)); |
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if ($gdImage) { |
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list($width, $height) = getimagesize($pathThumbnail); |
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$gdRender = imagecreatetruecolor(128, 128); |
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$colorBgAlpha = imagecolorallocatealpha($gdRender, 0, 0, 0, 127); |
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imagecolortransparent($gdRender, $colorBgAlpha); |
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imagefill($gdRender, 0, 0, $colorBgAlpha); |
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imagecopyresampled($gdRender, $gdImage, 0, 0, 0, 0, 128, 128, $width, $height); |
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imagetruecolortopalette($gdRender, false, 255); |
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imagesavealpha($gdRender, true); |
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ob_start(); |
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imagepng($gdRender); |
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$imageContents = ob_get_contents(); |
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ob_end_clean(); |
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imagedestroy($gdRender); |
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imagedestroy($gdImage); |
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$objZip->addFromString('Thumbnails/thumbnail.png', $imageContents); |
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} |
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} |
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// Add charts |
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foreach ($this->chartArray as $keyChart => $shapeChart) { |
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$arrayFile = $writerPartChart->writePart($shapeChart); |
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foreach ($arrayFile as $file => $content) { |
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if (!empty($content)) { |
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$objZip->addFromString('Object '.$keyChart.'/' . $file, $content); |
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} |
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} |
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} |
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// Add media |
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$arrMedia = array(); |
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for ($i = 0; $i < $this->getDrawingHashTable()->count(); ++$i) { |
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$shape = $this->getDrawingHashTable()->getByIndex($i); |
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if (!($shape instanceof AbstractDrawing)) { |
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throw new \Exception('The $parentWriter is not an instance of \PhpOffice\PhpPresentation\Shape\AbstractDrawing'); |
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} |
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if ($shape instanceof ShapeDrawing) { |
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if (!in_array(md5($shape->getPath()), $arrMedia)) { |
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$arrMedia[] = md5($shape->getPath()); |
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$imagePath = $shape->getPath(); |
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if (strpos($imagePath, 'zip://') !== false) { |
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$imagePath = substr($imagePath, 6); |
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$imagePathSplitted = explode('#', $imagePath); |
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$imageZip = new \ZipArchive(); |
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$imageZip->open($imagePathSplitted[0]); |
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$imageContents = $imageZip->getFromName($imagePathSplitted[1]); |
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$imageZip->close(); |
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unset($imageZip); |
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} else { |
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$imageContents = file_get_contents($imagePath); |
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} |
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$objZip->addFromString('Pictures/' . md5($shape->getPath()).'.'.$shape->getExtension(), $imageContents); |
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} |
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} elseif ($shape instanceof MemoryDrawing) { |
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if (!in_array(str_replace(' ', '_', $shape->getIndexedFilename()), $arrMedia)) { |
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$arrMedia[] = str_replace(' ', '_', $shape->getIndexedFilename()); |
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ob_start(); |
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call_user_func($shape->getRenderingFunction(), $shape->getImageResource()); |
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$imageContents = ob_get_contents(); |
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ob_end_clean(); |
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$objZip->addFromString('Pictures/' . str_replace(' ', '_', $shape->getIndexedFilename()), $imageContents); |
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} |
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} |
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} |
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42 |
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foreach ($this->presentation->getAllSlides() as $keySlide => $oSlide) { |
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// Add background image slide |
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42 |
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$oBkgImage = $oSlide->getBackground(); |
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42 |
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if ($oBkgImage instanceof Image) { |
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42 |
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$objZip->addFromString('Pictures/'.$oBkgImage->getIndexedFilename($keySlide), file_get_contents($oBkgImage->getPath())); |
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} |
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} |
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// Close file |
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42 |
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if ($objZip->close() === false) { |
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throw new \Exception("Could not close zip file $pFilename."); |
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} |
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// If a temporary file was used, copy it to the correct file stream |
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42 |
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if ($originalFilename != $pFilename) { |
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if (copy($pFilename, $originalFilename) === false) { |
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throw new \Exception("Could not copy temporary zip file $pFilename to $originalFilename."); |
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} |
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if (@unlink($pFilename) === false) { |
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42 |
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throw new \Exception('The file '.$pFilename.' could not be deleted.'); |
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} |
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} |
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} else { |
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throw new \Exception("PhpPresentation object unassigned."); |
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} |
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42 |
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} |
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/** |
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297
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* Get PhpPresentation object |
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298
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* |
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299
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* @return PhpPresentation |
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300
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|
|
* @throws \Exception |
|
301
|
|
|
*/ |
|
302
|
45 |
|
public function getPhpPresentation() |
|
303
|
|
|
{ |
|
304
|
45 |
|
if (!is_null($this->presentation)) { |
|
305
|
44 |
|
return $this->presentation; |
|
306
|
|
|
} else { |
|
307
|
1 |
|
throw new \Exception("No PhpPresentation assigned."); |
|
308
|
|
|
} |
|
309
|
|
|
} |
|
310
|
|
|
|
|
311
|
|
|
/** |
|
312
|
|
|
* Get PhpPresentation object |
|
313
|
|
|
* |
|
314
|
|
|
* @param PhpPresentation $pPhpPresentation PhpPresentation object |
|
315
|
|
|
* @throws \Exception |
|
316
|
|
|
* @return \PhpOffice\PhpPresentation\Writer\ODPresentation |
|
317
|
|
|
*/ |
|
318
|
50 |
|
public function setPhpPresentation(PhpPresentation $pPhpPresentation = null) |
|
319
|
|
|
{ |
|
320
|
50 |
|
$this->presentation = $pPhpPresentation; |
|
321
|
|
|
|
|
322
|
50 |
|
return $this; |
|
323
|
|
|
} |
|
324
|
|
|
|
|
325
|
|
|
/** |
|
326
|
|
|
* Get drawing hash table |
|
327
|
|
|
* |
|
328
|
|
|
* @return \PhpOffice\PhpPresentation\HashTable |
|
329
|
|
|
*/ |
|
330
|
44 |
|
public function getDrawingHashTable() |
|
331
|
|
|
{ |
|
332
|
44 |
|
return $this->drawingHashTable; |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
/** |
|
336
|
|
|
* Get writer part |
|
337
|
|
|
* |
|
338
|
|
|
* @param string $pPartName Writer part name |
|
339
|
|
|
* @return \PhpOffice\PhpPresentation\Writer\ODPresentation\AbstractPart |
|
340
|
|
|
*/ |
|
341
|
45 |
|
public function getWriterPart($pPartName = '') |
|
342
|
|
|
{ |
|
343
|
45 |
|
if ($pPartName != '' && isset($this->writerParts[strtolower($pPartName)])) { |
|
344
|
44 |
|
return $this->writerParts[strtolower($pPartName)]; |
|
345
|
|
|
} else { |
|
346
|
1 |
|
return null; |
|
347
|
|
|
} |
|
348
|
|
|
} |
|
349
|
|
|
|
|
350
|
|
|
/** |
|
351
|
|
|
* Get use disk caching where possible? |
|
352
|
|
|
* |
|
353
|
|
|
* @return boolean |
|
354
|
|
|
*/ |
|
355
|
45 |
|
public function hasDiskCaching() |
|
356
|
|
|
{ |
|
357
|
45 |
|
return $this->useDiskCaching; |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
/** |
|
361
|
|
|
* Set use disk caching where possible? |
|
362
|
|
|
* |
|
363
|
|
|
* @param boolean $pValue |
|
364
|
|
|
* @param string $pDirectory Disk caching directory |
|
365
|
|
|
* @throws \Exception |
|
366
|
|
|
* @return \PhpOffice\PhpPresentation\Writer\ODPresentation |
|
367
|
|
|
*/ |
|
368
|
3 |
|
public function setUseDiskCaching($pValue = false, $pDirectory = null) |
|
369
|
|
|
{ |
|
370
|
3 |
|
$this->useDiskCaching = $pValue; |
|
371
|
|
|
|
|
372
|
3 |
|
if (!is_null($pDirectory)) { |
|
373
|
2 |
|
if (is_dir($pDirectory)) { |
|
374
|
1 |
|
$this->diskCachingDirectory = $pDirectory; |
|
375
|
|
|
} else { |
|
376
|
1 |
|
throw new \Exception("Directory does not exist: $pDirectory"); |
|
377
|
|
|
} |
|
378
|
|
|
} |
|
379
|
|
|
|
|
380
|
2 |
|
return $this; |
|
381
|
|
|
} |
|
382
|
|
|
|
|
383
|
|
|
/** |
|
384
|
|
|
* Get disk caching directory |
|
385
|
|
|
* |
|
386
|
|
|
* @return string |
|
387
|
|
|
*/ |
|
388
|
3 |
|
public function getDiskCachingDirectory() |
|
389
|
|
|
{ |
|
390
|
3 |
|
return $this->diskCachingDirectory; |
|
391
|
|
|
} |
|
392
|
|
|
} |
|
393
|
|
|
|