CameraMlVision + aspectRatio

[eliaweiss]

I have the following code:

                  CustomPaint(
                      foregroundPainter: new DetectedTextBoxPainter(_ValueNotifier),//new TestPainter(_ValueNotifier),
                      child: new AspectRatio(
                        aspectRatio: _controller.value.aspectRatio,
                        //child: CameraPreview(_controller)
                          child: CameraMlVision<VisionText>(
                            resolution: ResolutionPreset.max,
                            detector:
                            FirebaseVision.instance.textRecognizer().processImage,
                            onResult: (VisionText vt) {
                              if (!mounted  ) {
                                return;
                              }
                              if (vt.text.length == 0) return;

                              _ValueNotifier.value = new Tuple2(vt, _controller.value.aspectRatio);
                            },
                          )
                    )
                  ),

The controller, which is usually passed to CameraPreview, is used to calculate screen position using aspectRatio, but CameraMlVision doesn't accept a controller.

How can I get the aspectRatio in onResult?

What I tried:

1. if I multiply the aspectRatio by 0.88 it solves the problem, but it will probably not work on other devices.

2. I tries to copy the implementation of CameraMlVision and expose the controller, but the aspectRatio is still off

3. I tried to use the CameraImage width and height, but it returns the same value, ie. aspectRatio = height/width

4. I tried to disable Scaffold, because I thought maybe the AppBar is responsible for the 12% error - it didn't work.