1 files changed, 116 insertions, 0 deletions
diff --git a/lib/screen/paints/arc_painter.dart b/lib/screen/paints/arc_painter.dart
new file mode 100644
index 0000000..66e38d4
--- /dev/null
+++ b/lib/screen/paints/arc_painter.dart
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: Apache-2.0
+
+import 'dart:math';
+import 'package:flutter/material.dart';
+
+class LeftPainter extends CustomPainter {
+  LeftPainter(
+      {required this.radi,
+      required this.currentValue,
+      required this.bottomPadding,
+      required this.color});
+
+  late final double radi;
+  late final double currentValue;
+  late final double bottomPadding;
+  late final Color color;
+
+  Offset getLeftPoints(Size size, double radius, double value) {
+    final double diam = 2 * radius;
+    final double arcHalfAngle = asin(size.height / diam); //thetha
+    final double currentAngle = (arcHalfAngle * value) / 50; //alpha
+    return Offset(
+        (radi * cos(arcHalfAngle)) +
+            (size.width) -
+            (radi * cos(arcHalfAngle - currentAngle)),
+        (radi * sin(arcHalfAngle)) + (radi * sin(arcHalfAngle - currentAngle)));
+  }
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    Offset startPoint = getLeftPoints(size, radi, bottomPadding);
+
+    final paint = Paint()
+      ..color = const Color.fromARGB(255, 49, 48, 48)
+      ..style = PaintingStyle.stroke
+      ..strokeCap = StrokeCap.round
+      ..strokeWidth = radi / 15;
+    final paint2 = Paint()
+      ..color = color
+      ..strokeCap = StrokeCap.round
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = radi / 15;
+
+    final path = Path()
+      ..moveTo(startPoint.dx, startPoint.dy)
+      ..arcToPoint(Offset(size.width, 0), radius: Radius.circular(radi));
+    canvas.drawPath(path, paint);
+    final path2 = Path()
+      ..moveTo(startPoint.dx, startPoint.dy)
+      ..arcToPoint(
+          getLeftPoints(size, radi,
+              bottomPadding + ((1 - (bottomPadding / 100)) * currentValue)),
+          radius: Radius.circular(radi));
+    canvas.drawPath(path, paint);
+    canvas.drawPath(path2, paint2);
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
+}
+
+class RightPainter extends CustomPainter {
+  RightPainter(
+      {required this.radi,
+      required this.currentValue,
+      required this.bottomPadding,
+      required this.color});
+  final double radi;
+  final double currentValue;
+  late final double bottomPadding;
+  late final Color color;
+
+  Offset getRightPoints(Size size, double radius, double value) {
+    final double diam = 2 * radius;
+    final double arcHalfAngle = asin(size.height / diam); //thetha
+    final double currentAngle = (arcHalfAngle * value) / 50; //alpha
+    return Offset(
+        (radi * cos(arcHalfAngle - currentAngle)) - (radi * cos(arcHalfAngle)),
+        (radi * sin(arcHalfAngle)) + (radi * sin(arcHalfAngle - currentAngle)));
+  }
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    Offset startPoint = getRightPoints(size, radi, bottomPadding);
+    final paint = Paint()
+      ..color = const Color.fromARGB(255, 49, 48, 48)
+      ..style = PaintingStyle.stroke
+      ..strokeCap = StrokeCap.round
+      ..strokeWidth = radi / 15;
+
+    final paint2 = Paint()
+      ..color = color
+      ..style = PaintingStyle.stroke
+      ..strokeCap = StrokeCap.round
+      ..strokeWidth = radi / 15;
+    final path = Path()
+      ..moveTo(startPoint.dx, startPoint.dy)
+      ..arcToPoint(
+        const Offset(0, 0),
+        radius: Radius.circular(radi),
+        clockwise: false,
+      );
+    final path2 = Path()
+      ..moveTo(startPoint.dx, startPoint.dy)
+      ..arcToPoint(
+          getRightPoints(size, radi,
+              bottomPadding + ((1 - (bottomPadding / 100)) * currentValue)),
+          radius: Radius.circular(radi),
+          clockwise: false);
+    canvas.drawPath(path, paint);
+    canvas.drawPath(path2, paint2);
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
+}