function print_pdf_tcpdf_print_pdf_generate in Printer, email and PDF versions 7.2

Implements hook_print_pdf_generate().

File

print_pdf/lib_handlers/print_pdf_tcpdf/print_pdf_tcpdf.pages.inc, line 16

Generates the PDF version using TCPDF.

Code

function print_pdf_tcpdf_print_pdf_generate($html, $meta, $paper_size = NULL, $page_orientation = NULL) {
  global $base_url, $language;
  module_load_include('inc', 'print', 'includes/print');
  $pdf_tool = explode('|', variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT));
  if (empty($paper_size)) {
    $paper_size = variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT);
  }
  if (empty($page_orientation)) {
    $page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
  }
  $images_via_file = variable_get('print_pdf_images_via_file', PRINT_PDF_IMAGES_VIA_FILE_DEFAULT);
  if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
    $pdf_tool_path = realpath(dirname($pdf_tool[1]));
    if (!defined('K_TCPDF_EXTERNAL_CONFIG')) {
      define('K_TCPDF_EXTERNAL_CONFIG', TRUE);
    }
    if (!defined('K_PATH_MAIN')) {
      define('K_PATH_MAIN', DRUPAL_ROOT);
    }
    if (!defined('K_PATH_URL')) {
      define('K_PATH_URL', $base_url);
    }
    if (!defined('K_PATH_FONTS')) {
      define('K_PATH_FONTS', $pdf_tool_path . '/fonts/');
    }
    if (!defined('K_PATH_CACHE')) {
      define('K_PATH_CACHE', drupal_realpath('public://print_pdf/print_pdf_tcpdf/cache') . '/');
    }
    if (!defined('K_PATH_IMAGES')) {
      define('K_PATH_IMAGES', '');
    }
    if (!defined('K_BLANK_IMAGE')) {
      define('K_BLANK_IMAGE', $pdf_tool_path . '/images/_blank.png');
    }
    if (!defined('K_CELL_HEIGHT_RATIO')) {
      define('K_CELL_HEIGHT_RATIO', 1.25);
    }
    if (!defined('K_SMALL_RATIO')) {
      define('K_SMALL_RATIO', 2 / 3);
    }
  }

  // Try to use local file access for image files.
  $html = _print_access_images_via_file($html, $images_via_file);

  // Decode HTML entities in image filenames.
  $pattern = "!<img\\s[^>]*?src\\s*?=\\s*?['\"]?{$base_url}[^>]*?>!is";
  $html = preg_replace_callback($pattern, function ($matches) {
    return html_entity_decode($matches[0], ENT_QUOTES);
  }, $html);

  // Remove queries from the image URL.
  $pattern = "!(<img\\s[^>]*?src\\s*?=\\s*?['\"]?{$base_url}[^>]*?)(?:%3F|\\?)[^\\s'\"]+([^>]*?>)!is";
  $html = preg_replace($pattern, '$1$2', $html);
  $tool_path = DRUPAL_ROOT . '/' . $pdf_tool[1];
  if (file_exists($tool_path)) {
    require_once $tool_path;
  }
  else {
    watchdog('print_pdf', 'Configured PDF tool does not exist at path: %path', array(
      '%path' => $tool_path,
    ), WATCHDOG_ERROR);
    throw new Exception("Configured PDF tool does not exist, unable to generate PDF.");
  }
  module_load_include('inc', 'print_pdf_tcpdf', 'print_pdf_tcpdf.class');
  $font = array(
    check_plain(variable_get('print_pdf_font_family', PRINT_PDF_TCPDF_FONT_FAMILY_DEFAULT)),
    '',
    check_plain(variable_get('print_pdf_font_size', PRINT_PDF_TCPDF_FONT_SIZE_DEFAULT)),
  );
  $orientation = drupal_strtoupper($page_orientation[0]);

  // Create new PDF document.
  $pdf = new PrintTCPDF($orientation, 'mm', $paper_size, TRUE);

  // Set document information.
  if (isset($meta['name'])) {
    $pdf
      ->SetAuthor(strip_tags($meta['name']));
  }
  $pdf
    ->SetCreator(variable_get('site_name', 'Drupal'));
  $pdf
    ->SetTitle(html_entity_decode($meta['title'], ENT_QUOTES, 'UTF-8'));
  $pdf
    ->setPDFVersion('1.6');
  $pdf
    ->setFontSubsetting(variable_get('print_pdf_font_subsetting', PRINT_PDF_TCPDF_FONT_SUBSETTING_DEFAULT));
  $pdf
    ->setTcpdfLink(FALSE);
  if ($language->direction == LANGUAGE_RTL) {
    $pdf
      ->setRTL(TRUE);
  }
  $pdf = theme('print_pdf_tcpdf_header', array(
    'pdf' => $pdf,
    'html' => $html,
    'font' => $font,
  ));
  $pdf = theme('print_pdf_tcpdf_footer', array(
    'pdf' => $pdf,
    'html' => $html,
    'font' => $font,
  ));
  $pdf = theme('print_pdf_tcpdf_page', array(
    'pdf' => $pdf,
  ));

  // Enable third-party module to alter the pdf object, via
  // hook_print_pdf_tcpdf_alter().
  drupal_alter('print_pdf_tcpdf', $pdf, $html, $meta);

  // Add a page.
  $pdf
    ->AddPage();
  $pdf = theme('print_pdf_tcpdf_content', array(
    'pdf' => $pdf,
    'html' => $html,
    'font' => $font,
  ));

  // Reset pointer to the last page.
  $pdf
    ->lastPage();

  // Try to recover from any warning/error.
  ob_clean();
  return $pdf = $pdf
    ->Output('', 'S');
}