forked from lxm_flutter/FlutterUnit
108 lines
2.7 KiB
Dart
108 lines
2.7 KiB
Dart
import 'dart:ui';
|
|
|
|
import 'package:flutter/material.dart';
|
|
|
|
class PictureFrame extends StatelessWidget {
|
|
final Widget? child;
|
|
final double? width;
|
|
final double? height;
|
|
final Color? color;
|
|
final Alignment? alignment;
|
|
final EdgeInsetsGeometry? marge;
|
|
|
|
const PictureFrame(
|
|
{this.child,
|
|
this.width,
|
|
this.height,
|
|
this.alignment,
|
|
this.color = Colors.transparent,
|
|
this.marge});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
double size = MediaQuery.of(context).size.shortestSide;
|
|
return Container(
|
|
alignment: alignment,
|
|
width: width ?? size,
|
|
height: height ?? size,
|
|
padding: marge ?? EdgeInsets.all(20),
|
|
child: CustomPaint(
|
|
painter: FramePainter(),
|
|
child: Container(
|
|
margin: EdgeInsets.all(14),
|
|
decoration: BoxDecoration(
|
|
color: color,
|
|
border: Border.all(
|
|
color: Colors.black12,
|
|
width: 1,
|
|
),
|
|
),
|
|
child: child,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class FramePainter extends CustomPainter {
|
|
@override
|
|
void paint(Canvas canvas, Size size) {
|
|
Path path = Path()
|
|
..relativeLineTo(0, size.height)
|
|
..relativeLineTo(size.width, 0)
|
|
..relativeLineTo(0, -size.height)
|
|
..close();
|
|
Paint myPaint = Paint()
|
|
..style = PaintingStyle.stroke
|
|
..strokeWidth = 10;
|
|
canvas.drawPath(path, myPaint);
|
|
Path shadowPath = Path()
|
|
..addRect(Rect.fromPoints(Offset.zero, Offset(size.width, size.height)));
|
|
// canvas.drawShadow(shadowPath, Colors.grey, 1, false);
|
|
|
|
canvas.save();
|
|
canvas.translate(size.width / 2, size.height / 2);
|
|
canvas.scale(-1, 1);
|
|
canvas.translate(-size.width / 2, -size.height / 2);
|
|
drawCorner(myPaint, canvas);
|
|
canvas.restore();
|
|
|
|
canvas.save();
|
|
canvas.translate(size.width / 2, size.height / 2);
|
|
canvas.scale(1, -1);
|
|
canvas.translate(-size.width / 2, -size.height / 2);
|
|
drawCorner(myPaint, canvas);
|
|
canvas.restore();
|
|
|
|
canvas.save();
|
|
canvas.translate(size.width, size.height);
|
|
canvas.scale(-1, -1);
|
|
drawCorner(myPaint, canvas);
|
|
canvas.restore();
|
|
drawCorner(myPaint, canvas);
|
|
canvas.drawShadow(shadowPath, Colors.grey, 1, false);
|
|
}
|
|
|
|
void drawCorner(Paint myPaint, Canvas canvas) {
|
|
myPaint
|
|
..style = PaintingStyle.fill
|
|
..color = Colors.white
|
|
..strokeCap = StrokeCap.butt;
|
|
canvas.drawPoints(
|
|
PointMode.polygon,
|
|
[
|
|
Offset(0, 0),
|
|
Offset(18, 0),
|
|
Offset(0, 18),
|
|
Offset(0, 0),
|
|
],
|
|
myPaint);
|
|
canvas.drawCircle(Offset(8, 8), 3, myPaint..color = Colors.black);
|
|
}
|
|
|
|
@override
|
|
bool shouldRepaint(covariant CustomPainter oldDelegate) {
|
|
return false;
|
|
}
|
|
}
|