detectFaceForMatch method

Future<List<FaceMatch>> detectFaceForMatch(CameraImage image, List<FaceTemplate> templates)

Implementation

Future<List<FaceMatch>> detectFaceForMatch(
    CameraImage image, List<FaceTemplate> templates) async {
  List<int> strides = Int32List(image.planes.length * 2);
  int index = 0;
  final bytes = image.planes.map((plane) {
    strides[index] = (plane.bytesPerRow);
    index++;
    strides[index] = (plane.bytesPerPixel)!;
    index++;
    return plane.bytes;
  }).toList();

  var ids = templates.map((e) => e.id).toList();
  var eyes = templates.map((e) => e.eye).toList();
  var faces = templates.map((e) => e.face).toList();

  var data =
      await platform.invokeMethod<List<Object?>>("detectFaceForMatch", {
    'platforms': bytes,
    'height': image.height,
    'width': image.width,
    'strides': strides,
    'ids': ids,
    'eyes': eyes,
    'faces': faces,
  });

  var result = <FaceMatch>[];

  if (data == null) {
    return result;
  }

  for (var d in data) {
    var items = d.toString().split('(,)');
    result.add(FaceMatch(
        id: items[0],
        similarityEye: double.parse(items[1]),
        similarityFace: double.parse(items[2]),
        position: FacePosition(
            x: int.parse(items[3]),
            y: int.parse(items[4]),
            width: int.parse(items[5]))));
  }

  return result;
}