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aku_new_community/lib/widget/others/sign_name_board.dart

139 lines
3.6 KiB

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:signature/signature.dart';
import 'package:velocity_x/velocity_x.dart';
class SignNameBoard extends StatefulWidget {
static Future defalutBoard() async {
SignatureController _signatureController = SignatureController(
penColor: Colors.black,
penStrokeWidth: 5.w,
exportBackgroundColor: Colors.transparent,
);
return await navigator!.push(
PageRouteBuilder(
fullscreenDialog: true,
opaque: false,
pageBuilder: (context, animation, sAnimation) {
return FadeTransition(
opacity: animation,
child: SignNameBoard(
width: 600.w,
height: double.infinity,
signatureController: _signatureController,
),
);
},
),
);
}
final SignatureController signatureController;
final bool forceToHorizontal;
final double width;
final double height;
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SignNameBoard(
{Key? key,
required this.signatureController,
this.forceToHorizontal = true,
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required this.width,
required this.height})
: super(key: key);
@override
_SignNameBoardState createState() => _SignNameBoardState();
}
class _SignNameBoardState extends State<SignNameBoard> {
@override
void initState() {
super.initState();
if (widget.forceToHorizontal) {
WidgetsFlutterBinding.ensureInitialized();
SystemChrome.setPreferredOrientations([
DeviceOrientation.landscapeLeft,
DeviceOrientation.landscapeRight,
]);
}
}
@override
void dispose() {
widget.signatureController.dispose();
WidgetsFlutterBinding.ensureInitialized();
SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
DeviceOrientation.portraitDown,
]);
super.dispose();
}
@override
Widget build(BuildContext context) {
Signature signature = Signature(
backgroundColor: Colors.white,
controller: widget.signatureController,
width: widget.width,
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height: widget.height,
);
IconButton finishButton = IconButton(
iconSize: 50.w,
onPressed: () {
Get.back(result: widget.signatureController.toPngBytes());
},
icon: Icon(
CupertinoIcons.checkmark_alt_circle,
color: Colors.blue,
// size: 100.w,
),
);
IconButton clearButton = IconButton(
iconSize: 50.w,
onPressed: () {
widget.signatureController.clear();
setState(() {});
},
icon: Icon(
CupertinoIcons.clear_circled,
color: Colors.red,
// size: 100.w,
),
);
return Scaffold(
body: widget.forceToHorizontal
? Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
signature,
Material(
child: Column(
children: [
finishButton.expand(),
clearButton.expand(),
],
),
).expand()
],
)
: Column(
children: [
signature,
Material(
child: Row(
children: [
finishButton.expand(),
clearButton.expand(),
],
),
).expand(),
],
),
);
}
}