read method
Implementation
@override
Future<Uint8List?> read({int? start, int? end}) async {
try {
// already read
if (bytes != null) return bytes;
// filepicker format read from file
if (file is universal_html.File) {
if ((start == null) && (end == null)) {
bytes = await _read();
} else {
return await _readPart(start, end);
}
}
// camera format. read from blob
if (file is XFile) {
bytes = await file.readAsBytes();
}
return bytes;
} catch (e) {
Log().exception(e);
return null;
}
}