getAll method
Implementation
Stream<PDFPage?> getAll({final Function(double)? onZoomChanged}) {
return Future.forEach<PDFPage?>(List.filled(count!, null, growable: true), (i) async {
final data = await _channel.invokeMethod('getPage', {'filePath': _filePath, 'pageNumber': i});
return new PDFPage(
data,
1,
onZoomChanged: onZoomChanged,
);
}).asStream() as Stream<PDFPage?>;
}