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<?php
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/**
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* @file
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* Generates the PDF version using mPDF.
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*
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* This file is included by the print_pdf_mpdf module and includes the
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* functions that interface with the mPDF library.
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*
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* @ingroup print
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*/
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/**
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* Implements hook_print_pdf_generate().
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*/
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function print_pdf_mpdf_print_pdf_generate($html, $meta, $paper_size = NULL, $page_orientation = NULL) {
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module_load_include('inc', 'print', 'includes/print');
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$pdf_tool = explode('|', variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT));
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// Version 7 of the mpdf library uses a composer autoloader.
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// Also there no longer is way to truly detect the library version, so this
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// seems like the best alternative.
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$mpdf_version_7_plus = strpos($pdf_tool[1], 'autoload.php') !== FALSE;
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if (empty($paper_size)) {
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$paper_size = variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT);
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}
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if (empty($page_orientation)) {
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$page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
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}
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$images_via_file = variable_get('print_pdf_images_via_file', PRINT_PDF_IMAGES_VIA_FILE_DEFAULT);
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$config = array();
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if ($mpdf_version_7_plus) {
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$config['tempDir'] = drupal_realpath('public://print_pdf/print_pdf_mpdf/');
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}
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else {
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// Deprecated since mpdf v7.x.
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if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
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if (!defined('_MPDF_TTFONTDATAPATH')) {
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define('_MPDF_TTFONTDATAPATH', drupal_realpath('public://print_pdf/print_pdf_mpdf/ttfontdata/'));
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}
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if (!defined('_MPDF_TEMP_PATH')) {
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define('_MPDF_TEMP_PATH', drupal_realpath('public://print_pdf/print_pdf_mpdf/tmp/'));
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}
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}
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}
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$tool_path = DRUPAL_ROOT . '/' . $pdf_tool[1];
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if (file_exists($tool_path)) {
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require_once $tool_path;
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}
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else {
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watchdog('print_pdf', 'Configured PDF tool does not exist at path: %path', array('%path' => $tool_path), WATCHDOG_ERROR);
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throw new Exception("Configured PDF tool does not exist, unable to generate PDF.");
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}
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$format = ($page_orientation == "landscape") ? $paper_size . "-L" : $paper_size;
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// Try to use local file access for image files.
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$html = _print_access_images_via_file($html, $images_via_file);
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// Set document information.
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if ($mpdf_version_7_plus) {
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$config['mode'] = 'utf-8';
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$config['format'] = $format;
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$mpdf = new \Mpdf\Mpdf($config);
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}
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else {
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$mpdf = new mPDF('UTF-8', $format);
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}
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if (isset($meta['name'])) {
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$mpdf->SetAuthor(strip_tags($meta['name']));
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}
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$mpdf->SetCreator(variable_get('site_name', 'Drupal'));
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/*
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// Pulled from the HTML meta data
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$mpdf->SetTitle(html_entity_decode($meta['title'], ENT_QUOTES, 'UTF-8'));
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$keys = implode(' ', explode("\n", trim(strip_tags($print['taxonomy']))));
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$mpdf->SetKeywords($keys);
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// Encrypt the file and grant permissions to the user to copy and print
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// No password is required to open the document
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// Owner has full rights using the password "MyPassword"
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$mpdf->SetProtection(array('copy', 'print'), '', 'MyPassword');
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$mpdf->SetProtection(array('copy', 'print', 'print-highres'), '', '');
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*/
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drupal_alter('print_pdf_mpdf', $mpdf, $html, $meta);
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$mpdf->WriteHTML($html);
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// Try to recover from any warning/error.
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ob_clean();
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return $mpdf->Output('', 'S');
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}
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