mirror of
https://github.com/Yubico/yubioath-flutter.git
synced 2024-12-25 11:12:10 +03:00
77 lines
2.1 KiB
Dart
77 lines
2.1 KiB
Dart
/*
|
|
* Copyright (C) 2022 Yubico.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
import 'dart:math';
|
|
|
|
import 'package:flutter/material.dart';
|
|
|
|
class CutoutOverlay extends StatelessWidget {
|
|
final int marginPct;
|
|
const CutoutOverlay({Key? key, required this.marginPct}) : super(key: key);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return GestureDetector(
|
|
behavior: HitTestBehavior.translucent,
|
|
child: CustomPaint(
|
|
painter: CutoutPainter(marginPct: marginPct),
|
|
));
|
|
}
|
|
}
|
|
|
|
class CutoutPainter extends CustomPainter {
|
|
final int marginPct;
|
|
CutoutPainter({required this.marginPct});
|
|
|
|
@override
|
|
void paint(Canvas canvas, Size size) {
|
|
final overlayPaint = Paint()..color = Colors.black54;
|
|
final strokePaint = Paint()
|
|
..color = Colors.green
|
|
..style = PaintingStyle.stroke
|
|
..strokeWidth = 2;
|
|
|
|
final shorterDim = min(size.width, size.height);
|
|
|
|
final cutoutWidth = shorterDim - (2 * shorterDim * marginPct / 100);
|
|
|
|
final cutoutRect = Rect.fromCenter(
|
|
center: Offset(size.width / 2, size.height / 2),
|
|
width: cutoutWidth,
|
|
height: cutoutWidth,
|
|
);
|
|
|
|
final cutOutRRect =
|
|
RRect.fromRectAndRadius(cutoutRect, const Radius.circular(5.0));
|
|
final targetPath = Path()..addRRect(cutOutRRect);
|
|
|
|
canvas.drawPath(
|
|
Path.combine(
|
|
PathOperation.difference,
|
|
Path()..addRect(Rect.fromLTWH(0, 0, size.width, size.height)),
|
|
targetPath..close(),
|
|
),
|
|
overlayPaint);
|
|
|
|
canvas.drawPath(targetPath, strokePaint);
|
|
}
|
|
|
|
@override
|
|
bool shouldRepaint(CustomPainter oldDelegate) {
|
|
return false;
|
|
}
|
|
}
|