bytesFromDataUri function
Returns Uint8List by decoding dataUri
.
Supported encoding:
Implementation
Uint8List? bytesFromDataUri(String dataUri) {
final match = _dataUriRegExp.matchAsPrefix(dataUri);
if (match == null) {
return null;
}
final prefix = match[0]!;
final encoding = match[1];
final data = dataUri.substring(prefix.length);
final bytes = encoding == 'base64'
? base64.decode(data)
: encoding == 'utf8'
? Uint8List.fromList(data.codeUnits)
: null;
return bytes?.isNotEmpty == true ? bytes : null;
}