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<?php |
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/** |
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* PDFtk wrapper |
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* |
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* @copyright 2014-2019 Institute of Legal Medicine, Medical University of Innsbruck |
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* @author Andreas Erhard <[email protected]> |
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* @license LGPL-3.0-only |
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* @link http://www.gerichtsmedizin.at/ |
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* |
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* @package pdftk |
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*/ |
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namespace Gmi\Toolkit\Pdftk; |
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/** |
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* Read PDF page information. |
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*/ |
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class Pages |
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{ |
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/** |
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* Pages. |
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* |
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* @var Page[] |
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*/ |
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private $pages = []; |
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/** |
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* @var PdftkWrapper |
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*/ |
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private $wrapper; |
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/** |
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* Constructor. |
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* |
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* @param PdftkWrapper $wrapper |
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*/ |
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public function __construct(PdftkWrapper $wrapper = null) |
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{ |
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$this->wrapper = $wrapper ?: new PdftkWrapper(); |
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} |
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/** |
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* Returns all pages. |
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* |
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* @return Page[] |
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*/ |
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public function all() |
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{ |
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return $this->pages; |
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} |
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/** |
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* Remove all pages. |
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* |
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* @return self |
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*/ |
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public function clear() |
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{ |
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$this->pages = []; |
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return $this; |
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} |
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/** |
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* Imports pages from a PDF file. |
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* |
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* @param string $infile |
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* |
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* @return self |
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*/ |
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public function import($infile) |
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{ |
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$dump = $this->wrapper->getPdfDataDump($infile); |
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3 |
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$this->importFromDump($dump); |
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return $this; |
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} |
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/** |
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* Imports page meta data from a pdftk dump. |
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* |
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* @param string $dump |
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* |
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* @return $this |
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*/ |
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public function importFromDump($dump) |
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{ |
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$matches = []; |
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$regex = '/PageMediaBegin\nPageMediaNumber: (?<page>.+)\nPageMediaRotation: (?<rotation>[0-9]+)\n' . |
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'PageMediaRect: .*\n' . |
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'PageMediaDimensions: (?<dim>(([0-9]\,)?[0-9]+(\.[0-9]+)?) (([0-9]\,)?[0-9]+(\.[0-9]+)?))/'; |
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preg_match_all($regex, $dump, $matches, PREG_SET_ORDER); |
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$this->pages = []; |
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foreach ($matches as $p) { |
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$page = new Page(); |
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$dimensions = explode(' ', $p['dim']); |
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$page |
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->setPageNumber((int) $p['page']) |
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->setRotation((int) $p['rotation']) |
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->setWidth((float) str_replace(',', '', $dimensions[0])) |
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->setHeight((float) str_replace(',', '', $dimensions[1])) |
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; |
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$this->pages[] = $page; |
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} |
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return $this; |
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} |
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} |
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gmitirol /
toolkit-pdftk
