processImage method
Detects VisionDocumentText from a FirebaseVisionImage.
Implementation
Future<VisionDocumentText> processImage(
FirebaseVisionImage visionImage) async {
assert(!_isClosed);
_hasBeenOpened = true;
final reply = await FirebaseVision.channel.invokeMapMethod<String, dynamic>(
'DocumentTextRecognizer#processImage',
<String, dynamic>{
'handle': _handle,
'options': <String, dynamic>{
'hintedLanguages': _cloudOptions.hintedLanguages,
},
}..addAll(visionImage._serialize()),
);
return VisionDocumentText._(reply!);
}