GBFatal("Bad id!");
}
$imageFormat = 'unknown';
$zipFile = "$itemPath/{$id}_jp2.zip";
if (file_exists($zipFile)) {
$imageFormat = 'jp2';
} else {
$zipFile = "$itemPath/${id}_tif.zip";
if (file_exists($zipFile)) {
$imageFormat = 'tif';
}
}
if ("unknown" == $imageFormat) {
GBfatal("Unknown image format");
}
$scanDataFile = "$itemPath/{$id}_scandata.xml";
$scanDataZip = "$itemPath/scandata.zip";
if (file_exists($scanDataFile)) {
$scanData = simplexml_load_file($scanDataFile);
} else if (file_exists($scanDataZip)) {
$cmd = 'unzip -p ' . escapeshellarg($scanDataZip) . ' scandata.xml';
exec($cmd, $output, $retval);
if ($retval != 0) GBFatal("Could not unzip ScanData!");
$dump = join("\n", $output);
$scanData = simplexml_load_string($dump);
} else if (file_exists("$itemPath/scandata.xml")) {
// For e.g. Scribe v.0 books!
// work on a pipe (the file must be seekable).
// We use the GnuBookTiff prefix to give a hint in case things don't
// get cleaned up.
$tempFile = tempnam("/tmp", "GnuBookTiff");
if (1 != $scale) {
if (onPowerNode()) {
$pbmReduce = ' | pnmscale -reduce ' . $scale;
} else {
$pbmReduce = ' | pnmscale -nomix -reduce ' . $scale;
}
} else {
$pbmReduce = '';
}
$decompressCmd = ' > ' . $tempFile . ' ; tifftopnm ' . $tempFile . ' 2>/dev/null' . $pbmReduce;
} else {
GBfatal('Unknown source file extension: ' . $fileExt);
}
}
// Non-integer scaling is currently disabled on the cluster
// if (isset($_REQUEST['height'])) {
// $cmd .= " | pnmscale -height {$_REQUEST['height']} ";
// }
if ('jpg' == $ext) {
$compressCmd = ' | pnmtojpeg ' . $jpegOptions;
} else {
if ('png' == $ext) {
$compressCmd = ' | pnmtopng ' . $pngOptions;
}
}
$cmd = $unzipCmd . $decompressCmd . $compressCmd;
//print $cmd;
