bezierCurvePainter.dart
f94186775d17master

bezierCurvePainter.dart
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			import 'package:flutter/material.dart';

			class BezierCurvePainter extends CustomPainter {
			Paint _paint;
			double _progress;
			Offset beginpath;
			Offset endpath;
			Offset beginpathM;
			Offset endpathM;
			double coeffScreenMapHeight;
			double coeffScreenMapWidth;
			var midddlePoint1 = [Offset(91.1, 276.2), Offset(110.2, 232.8)];
			var midddlePoint2 = [Offset(110.2, 232.8), Offset(0, 0)];
			BezierCurvePainter(this.beginpath, this.endpath, this.coeffScreenMapWidth,
			this.coeffScreenMapHeight) {
			_paint = Paint()
			..style = PaintingStyle.stroke
			..strokeJoin = StrokeJoin.round
			..strokeCap = StrokeCap.round
			..color = Colors.black
			..strokeWidth = 15;
			beginpathM = Offset(this.beginpath.dx * coeffScreenMapWidth,
			beginpath.dy * coeffScreenMapHeight);
			endpathM = Offset(this.endpath.dx * coeffScreenMapWidth,
			endpath.dy * coeffScreenMapHeight);
			}

			@override
			void paint(Canvas canvas, Size size) {
			Path path = Path()
			..moveTo(beginpathM.dx, beginpathM.dy)
			..cubicTo(91.1, 276.2, 110.2, 232.8, endpathM.dx, endpathM.dy);

			canvas.drawPath(path, _paint);
			}

			@override
			bool shouldRepaint(BezierCurvePainter oldDelegate) {
			return oldDelegate._progress != _progress;
			}
			}