60 lines
1.8 KiB
Dart
60 lines
1.8 KiB
Dart
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import 'package:flutter/material.dart';
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import 'dart:io';
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import 'smile_painter.dart';
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import 'package:firebase_ml_vision/firebase_ml_vision.dart';
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import 'dart:ui' as ui show Image;
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import 'package:image_picker/image_picker.dart';
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class FaceDetectionFromImage extends StatefulWidget {
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@override
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_FaceDetectionFromImageState createState() => _FaceDetectionFromImageState();
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}
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class _FaceDetectionFromImageState extends State<FaceDetectionFromImage> {
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bool loading = true;
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ui.Image image;
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List<Face> faces;
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final FaceDetector faceDetector = FirebaseVision.instance.faceDetector();
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Future<ui.Image> _loadImage(File file) async {
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final data = await file.readAsBytes();
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return await decodeImageFromList(data);
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}
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void pickAndProcessImage() async {
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final File file = await ImagePicker.pickImage(source: ImageSource.gallery);
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final FirebaseVisionImage visionImage = FirebaseVisionImage.fromFile(file);
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faces = await faceDetector.processImage(visionImage);
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image = await _loadImage(file);
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setState(() {
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loading = false;
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text('Face detection with Smile'),
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),
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body: Center(
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child: loading
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? Text('Press The floating Action Button for load image!')
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: FittedBox(
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child: SizedBox(
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width: image.width.toDouble(),
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height: image.height.toDouble(),
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child: FacePaint(
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painter: SmilePainter(image, faces),
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),
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),
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),
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),
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floatingActionButton: FloatingActionButton(
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onPressed: pickAndProcessImage,
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child: Icon(Icons.image),
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),
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);
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}
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}
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