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backup. before shop update

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peima
2021-08-31 13:28:33 -04:00
parent c378a6203c
commit 808ffa3211
292 changed files with 51551 additions and 695 deletions
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249
lib/widgets/mobile/ocr_scan.dart.unuse Normal file
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import 'package:flutter/material.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';
import '../../models/key_value.dart';
import 'package:image_picker/image_picker.dart';
import 'package:tesseract_ocr/tesseract_ocr.dart';
import '../../generated/l10n.dart';
class OCRScan extends StatefulWidget {
@override
State<StatefulWidget> createState() => OCRScanState();
}
class OCRScanState extends State<OCRScan> {
String _extractText;
List<KeyValue> docTypes = [];
KeyValue selectedDocType;
List<KeyValue> docLan = [];
KeyValue selectedDocLan;
bool _reading;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
leading: IconButton(
icon: Icon(Icons.arrow_back_ios),
onPressed: () {
Navigator.of(context).pop();
},
),
title: Text(S
.of(context)
.ocr_scan),
backgroundColor: Theme
.of(context)
.primaryColor,
),
body: ListView.builder(
itemCount: 4,
itemBuilder: (BuildContext context, int i) {
Widget item;
switch(i) {
case 0:
item = Container(
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
child: Text(
S.of(context).document_type,
),
),
Container(
child: DropdownButton<KeyValue>(
items: docTypes.map((e) {
return DropdownMenuItem<KeyValue>(
value: e,
child: Text(
e.name
),
);
}).toList(),
hint: Text(
S.of(context).select_document_type,
),
onChanged: (newValue) {
setState(() {
selectedDocType = newValue;
});
},
isExpanded: true,
value: selectedDocType,
),
),
],
),
);
break;
case 1:
item = Container(
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
child: Text(
S.of(context).document_langage,
),
),
Container(
child: DropdownButton<KeyValue>(
items: docLan.map((e) {
return DropdownMenuItem<KeyValue>(
value: e,
child: Text(
e.name
),
);
}).toList(),
hint: Text(
S.of(context).select_document_lanuage,
),
onChanged: (newValue) {
setState(() {
selectedDocLan = newValue;
});
},
isExpanded: true,
value: selectedDocLan,
),
),
],
),
);
break;
case 2:
item = Container(
child: Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
padding: EdgeInsets.only(right: 10.0),
child: RaisedButton.icon(
elevation: 2.0,
shape: new RoundedRectangleBorder(
borderRadius: new BorderRadius.circular(5.0),
),
color: const Color(0xFFFFB822),
icon: Icon(Icons.camera_alt_outlined),
label: Text(
S.of(context).from_camera,
),
onPressed: _reading != null && _reading == true ? null : () {
getPicFromCamera();
},
),
),
Container(
padding: EdgeInsets.only(right: 10.0),
child: RaisedButton.icon(
elevation: 2.0,
shape: new RoundedRectangleBorder(
borderRadius: new BorderRadius.circular(5.0),
),
color: const Color(0xFFEFFE00),
icon: Icon(Icons.image_search),
label: Text(
S.of(context).from_gallery,
),
onPressed: _reading != null && _reading == true ? null : () {
getPicFromGallery();
},
),
),
],
),
);
break;
case 3:
item = SizedBox.shrink();
if (_reading != null && _reading) {
item = _reading == null ? SizedBox.shrink() :
Container(
padding: EdgeInsets.only(top: 12.0),
child: _reading ? SpinKitCircle(
size: 24.0,
color: Colors.blue,
) : Icon(Icons.done),
);
} else if (_extractText != null) {
item = Container(
child: RaisedButton.icon(
onPressed: () {
},
color: const Color(0xEE22EE00),
icon: Icon(Icons.arrow_circle_up),
label: Text(
S.of(context).submit_to_generate
)),
);
}
break;
}
return Container(
padding: EdgeInsets.only(left: 16.0, right: 16.0, top: 8.0, bottom: 8.0),
child: item,
);
}
),
);
}
Future getPicFromCamera() async {
final picker = ImagePicker();
var image = await picker.getImage(source: ImageSource.camera);
print(image.path);
extractText(image.path);
}
Future getPicFromGallery() async {
final picker = ImagePicker();
var image = await picker.getImage(source: ImageSource.gallery);
print(image.path);
extractText(image.path);
}
Future extractText(String filePath) async {
int _extractTime = 0;
setState(() {
_reading = true;
_extractText = null;
});
var watch = Stopwatch()..start();
_extractText = await TesseractOcr.extractText(filePath, language: selectedDocLan.value);
_extractTime = watch.elapsedMilliseconds;
print(_extractText);
print('Time: $_extractTime');
setState(() {
_reading = false;
});
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
docTypes.add(KeyValue(S.of(context).ubereats_receipt, 'ubereats-receipt'));
docTypes.add(KeyValue(S.of(context).business_card, 'business-card'));
var eng = KeyValue(S.of(context).english, 'eng');
docLan.add(eng);
docLan.add(KeyValue(S.of(context).chinese_simplified, 'chi_sim'));
docLan.add(KeyValue(S.of(context).chinese_traditional, 'chi_tra'));
if (selectedDocLan == null) {
setState(() {
selectedDocLan = eng;
});
}
}
@override
void initState() {
super.initState();
}
}