/**
* Read SCL record
*/
private function _readScl()
{
$length = $this->_GetInt2d($this->_data, $this->_pos + 2);
$recordData = substr($this->_data, $this->_pos + 4, $length);
// move stream pointer to next record
$this->_pos += 4 + $length;
// offset: 0; size: 2; numerator of the view magnification
$numerator = $this->_GetInt2d($recordData, 0);
// offset: 2; size: 2; numerator of the view magnification
$denumerator = $this->_GetInt2d($recordData, 2);
// set the zoom scale (in percent)
$this->_phpSheet->getSheetView()->setZoomScale($numerator * 100 / $denumerator);
}
/**
* Store the window zoom factor. This should be a reduced fraction but for
* simplicity we will store all fractions with a numerator of 100.
*/
private function _writeZoom()
{
// If scale is 100 we don't need to write a record
if ($this->_phpSheet->getSheetView()->getZoomScale() == 100) {
return;
}
$record = 0xa0;
// Record identifier
$length = 0x4;
// Bytes to follow
$header = pack("vv", $record, $length);
$data = pack("vv", $this->_phpSheet->getSheetView()->getZoomScale(), 100);
$this->_append($header . $data);
}