protected function _putCatalog()
{
$this->_out('/Type /Catalog');
$this->_out('/Pages 1 0 R');
if ($this->_zoom_mode == 'fullpage') {
$this->_out('/OpenAction [3 0 R /Fit]');
} elseif ($this->_zoom_mode == 'fullwidth') {
$this->_out('/OpenAction [3 0 R /FitH null]');
} elseif ($this->_zoom_mode == 'real') {
$this->_out('/OpenAction [3 0 R /XYZ null null 1]');
} elseif (!is_string($this->_zoom_mode)) {
$this->_out('/OpenAction [3 0 R /XYZ null null ' . $this->_zoom_mode / 100 . ']');
}
if ($this->_layout_mode == 'single') {
$this->_out('/PageLayout /SinglePage');
} elseif ($this->_layout_mode == 'continuous') {
$this->_out('/PageLayout /OneColumn');
} elseif ($this->_layout_mode == 'two') {
$this->_out('/PageLayout /TwoColumnLeft');
}
}