paint method

Implementation

// III.A - Paint Method
///////////////
@override
void paint(Canvas canvas, Size size) {
  final Paint redPaint = Paint()..color = const Color(0xFFEA4335);
  final Paint bluePaint = Paint()..color = const Color(0xFF4285F4);
  final Paint greenPaint = Paint()..color = const Color(0xFF34A853);
  final Paint yellowPaint = Paint()..color = const Color(0xFFFBBC05);

  final double center = size.width / 2;
  final double radius = size.width / 2;

  // Blue arc (top right)
  canvas.drawArc(
    Rect.fromCircle(center: Offset(center, center), radius: radius),
    -math.pi / 4, // Start at -45 degrees
    math.pi / 2,  // Sweep 90 degrees
    true,         // Use center
    bluePaint,
  );

  // Red arc (top left)
  canvas.drawArc(
    Rect.fromCircle(center: Offset(center, center), radius: radius),
    math.pi / 4,  // Start at 45 degrees
    math.pi / 2,  // Sweep 90 degrees
    true,         // Use center
    redPaint,
  );

  // Yellow arc (bottom left)
  canvas.drawArc(
    Rect.fromCircle(center: Offset(center, center), radius: radius),
    3 * math.pi / 4, // Start at 135 degrees
    math.pi / 2,     // Sweep 90 degrees
    true,            // Use center
    yellowPaint,
  );

  // Green arc (bottom right)
  canvas.drawArc(
    Rect.fromCircle(center: Offset(center, center), radius: radius),
    5 * math.pi / 4, // Start at 225 degrees
    math.pi / 2,     // Sweep 90 degrees
    true,            // Use center
    greenPaint,
  );

  // White center
  final Paint whitePaint = Paint()..color = Colors.white;
  canvas.drawCircle(
    Offset(center, center),
    radius * 0.65, // Inner white circle
    whitePaint,
  );
}