feat:Update search

This commit is contained in:
Anton Stubenbord
2023-05-18 18:23:47 +02:00
parent 062c46ccd3
commit c9a6bc64b8
21 changed files with 385 additions and 210 deletions

View File

@@ -1,8 +1,9 @@
import 'package:camera/camera.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:image/image.dart' as imglib;
import 'package:camerawesome/camerawesome_plugin.dart';
import 'package:path_provider/path_provider.dart';
late final List<CameraDescription> cameras;
void main() async {
@@ -19,27 +20,9 @@ class EdgeDetectionApp extends StatefulWidget {
}
class _EdgeDetectionAppState extends State<EdgeDetectionApp> {
CameraImage? _image;
late final CameraController _controller;
@override
void initState() {
super.initState();
() async {
_controller = CameraController(
cameras
.where(
(element) => element.lensDirection == CameraLensDirection.back)
.first,
ResolutionPreset.low,
enableAudio: false,
);
await _controller.initialize();
_controller.startImageStream((image) {
setState(() => _image = image);
});
}();
}
Uint8List concatenatePlanes(List<Plane> planes) {
@@ -68,8 +51,7 @@ class _EdgeDetectionAppState extends State<EdgeDetectionApp> {
// Fill image buffer with plane[0] from YUV420_888
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
final int uvIndex =
uvPixelStride * (x / 2).floor() + uvRowStride * (y / 2).floor();
final int uvIndex = uvPixelStride * (x / 2).floor() + uvRowStride * (y / 2).floor();
final int index = y * width + x;
final yp = image.planes[0].bytes[index];
@@ -77,9 +59,7 @@ class _EdgeDetectionAppState extends State<EdgeDetectionApp> {
final vp = image.planes[2].bytes[uvIndex];
// Calculate pixel color
int r = (yp + vp * 1436 / 1024 - 179).round().clamp(0, 255);
int g = (yp - up * 46549 / 131072 + 44 - vp * 93604 / 131072 + 91)
.round()
.clamp(0, 255);
int g = (yp - up * 46549 / 131072 + 44 - vp * 93604 / 131072 + 91).round().clamp(0, 255);
int b = (yp + up * 1814 / 1024 - 227).round().clamp(0, 255);
// color: 0x FF FF FF FF
// A B G R
@@ -100,10 +80,22 @@ class _EdgeDetectionAppState extends State<EdgeDetectionApp> {
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: Scaffold(
body: Center(
child: _image != null
? convertYUV420toImageColor(_image!)
: const Placeholder(),
body: CameraAwesomeBuilder.awesome(
saveConfig: SaveConfig.photo(
pathBuilder: () =>
getApplicationDocumentsDirectory().then((value) => "${value.path}/test.jpg"),
),
onImageForAnalysis: (image) async {},
imageAnalysisConfig: AnalysisConfig(
// Android specific options
androidOptions: const AndroidAnalysisOptions.yuv420(
// Target width (CameraX will chose the closest resolution to this width)
width: 250,
),
// Wether to start automatically the analysis (true by default)
autoStart: true,
// Max frames per second, null for no limit (default)
),
),
),
);