composeCurrent method
Implementation
Future<Uint8List?> composeCurrent({List<int>? pages, UDocMetadata? metadata}) async {
final UPdfComposer composer = UPdfComposer();
final List<int> targets = pages ?? List<int>.generate(document.pageCount, (int index) => index);
for (final int index in targets) {
await composer.addPage(document, index);
}
if (composer.pageCount == 0) return null;
return composer.build(metadata: metadata ?? await document.metadata());
}