function pdf_to_imagefield_convert_pages in PDF to ImageField 7

Same name and namespace in other branches

1. 6.2 pdf_to_imagefield.module \pdf_to_imagefield_convert_pages()
2. 6 pdf_to_imagefield.module \pdf_to_imagefield_convert_pages()

Convert pages from pdf file to individual jpeg files

Parameters

$job job definition object, defining the pdf file fid, the field name,: and some processing parameters.

$path folder that the files go into.:

Return value

an array of files, already added to the Drupal files table, that can be added to the node.

1 call to pdf_to_imagefield_convert_pages()

pdf_to_imagefield_process_pdf in ./pdf_to_imagefield.module

Given an node and a PDF file to process, do so.

File

./pdf_to_imagefield.module, line 41

PDF to ImageField core hooks and menu callbacks.

Code

function pdf_to_imagefield_convert_pages($job, $path, $pdf_file) {
  $source = $pdf_file['filepath'];
  $filepath = $path . '/' . $pdf_file['fid'] . '.jpg';
  $extra = array(
    '-density ' . $job->density_x . 'x' . $job->density_y,
  );
  if (!empty($job->extra_args)) {
    $extra[] = escapeshellcmd($job->extra_args);
  }
  watchdog('pdf_to_imagefield', 'Converting PDF [%source] now.', array(
    '%source' => $source,
  ), WATCHDOG_INFO);
  pdf_to_imagefield_convert_pdf($source, $filepath, array(), $extra);

  // Scan for resulting files.
  $converted = array();

  // Single page pdfs will have been created with just a filename.
  // Multipage results are numbered.
  if (file_exists($filepath)) {
    $converted[] = pdf_to_imagefield_save_file($filepath);
  }
  $count = 0;
  while (file_exists($path . '/' . $pdf_file['fid'] . '-' . $count . '.jpg')) {
    $filepath = $path . '/' . $pdf_file['fid'] . '-' . $count . '.jpg';
    $converted[] = pdf_to_imagefield_save_file($filepath);
    $count++;
  }
  return $converted;
}