public static function convertPDFToPNG(erLhcoreClassModelDocShare &$fileObject)
{
$pdfFile = $fileObject->pdf_file_path_server;
if ($fileObject->pdf_file != '' && file_exists($pdfFile)) {
try {
$config = erConfigClassLhConfig::getInstance();
$objectData = erLhcoreClassModelChatConfig::fetch('doc_sharer');
$dataDocSharer = (array) $objectData->data;
erLhcoreClassFileUpload::mkdirRecursive($fileObject->pdftoimg_path, true, $dataDocSharer['http_user_name'], $dataDocSharer['http_user_group_name']);
$ocrParsed = true;
// Prepare to run ImageMagick command
$descriptors = array(array('pipe', 'r'), array('pipe', 'w'), array('pipe', 'w'));
$appendCommand = '';
if ($dataDocSharer['pdftoppm_limit'] > 0) {
$appendCommand .= ' -l ' . $dataDocSharer['pdftoppm_limit'];
}
$command = $dataDocSharer['pdftoppm_path'] . $appendCommand . ' -png -r 200 ' . escapeshellarg($pdfFile) . ' ' . $fileObject->pdftoimg_path . $fileObject->id;
// Open color_indexer process
$imageProcess = proc_open($command, $descriptors, $pipes);
// Close STDIN pipe
fclose($pipes[0]);
$errorString = '';
$outputString = '';
// Read STDERR
do {
$errorString .= rtrim(fgets($pipes[2], 1024), "\n");
} while (!feof($pipes[2]));
// Wait for process to terminate and store return value
$status = proc_get_status($imageProcess);
while ($status['running'] !== false) {
// Sleep 1/100 second to wait for convert to exit
usleep(10000);
$status = proc_get_status($imageProcess);
}
$return = proc_close($imageProcess);
$data = ezcBaseFile::findRecursive($fileObject->pdftoimg_path, array("@{$fileObject->id}-.*\\.png@"), array());
$contentPages = array();
$pagesCount = 0;
foreach ($data as $key => $file) {
$pagesCount++;
$parts = explode('-', $file);
array_pop($parts);
$parts[] = '-' . $pagesCount . '.png';
$newName = implode('', $parts);
rename($file, $newName);
$file = $newName;
chown($file, $dataDocSharer['http_user_name']);
chgrp($file, $dataDocSharer['http_user_group_name']);
chmod($file, 0664);
}
$fileObject->pdf_to_img_converted = 1;
$fileObject->pages_pdf_count = $pagesCount;
$fileObject->saveThis();
} catch (Exception $e) {
throw $e;
}
}
}
