109 lines
3.7 KiB
C#
109 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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namespace Shapes
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{
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public class Rectangle : Shape
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{
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public override Color Fill { get; set; }
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public override Color Color { get; set; }
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public List<Point> Points { get; }
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public Point CenterPoint { get; }
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public sealed override double Width { get; }
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public sealed override double Height { get; }
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public Rectangle(Point point1, Point point2, Point point3, Point point4)
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{
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Points = new List<Point>();
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Points.Add(point1);
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Points.Add(point2);
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Points.Add(point3);
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Points.Add(point4);
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Height = new Line(point1, point4).ComputeLength();
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Width = new Line(point1, point2).ComputeLength();
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CenterPoint = new Point(point1.X + (Width/2), point1.Y + (Height/2));
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Validator.ValidateRectangle(Points, $"Attempted to create an invalid shape {this.GetType()}");
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}
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public Rectangle(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
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{
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Points = new List<Point>();
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var point1 = new Point(x1, y1);
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var point2 = new Point(x2, y2);
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var point3 = new Point(x3, y3);
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var point4 = new Point(x4, y4);
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Points.Add(point1);
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Points.Add(point2);
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Points.Add(point3);
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Points.Add(point4);
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Height = new Line(point1, point2).ComputeLength();
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Width = new Line(point1, point4).ComputeLength();
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CenterPoint = new Point((point1.X + Width)/2, (point1.Y + Height)/2);
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Validator.ValidateRectangle(Points, $"Attempted to create an invalid shape {this.GetType()}");
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}
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public Rectangle(Point point, Size size)
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{
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Points = new List<Point>();
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var point1 = point;
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var point2 = new Point(point.X + size.Width, point.Y);
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var point3 = new Point(point.X + size.Width, point.Y + size.Height);
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var point4 = new Point(point.X, point.Y + size.Height);
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Points.Add(point1);
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Points.Add(point2);
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Points.Add(point3);
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Points.Add(point4);
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Height = new Line(point1, point2).ComputeLength();
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Width = new Line(point1, point4).ComputeLength();
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CenterPoint = new Point((point1.X + Width)/2, (point1.Y + Height)/2);
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Validator.ValidateRectangle(Points, $"Attempted to create an invalid shape {this.GetType()}");
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}
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public override double ComputeArea()
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{
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return Height * Width;
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}
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public override void Scale(double scaleFactor)
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{
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throw new System.NotImplementedException();
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}
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public double CalculateWidth()
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{
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return new Line(Points[0], Points[3]).ComputeLength();
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}
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public double CalculateHeight()
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{
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return new Line(Points[0], Points[1]).ComputeLength();
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}
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public void Rotate(double degrees)
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{
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double radians = degrees * (Math.PI / 180);
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double cosTheta = Math.Cos(radians);
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double sinTheta = Math.Sin(radians);
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foreach (var point in Points)
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{
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var oldPoint = point;
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var tempX = oldPoint.X - CenterPoint.X;
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var tempY = oldPoint.Y - CenterPoint.X;
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var rotatedX = tempX*cosTheta - tempY*sinTheta;
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var rotatedY = tempX*sinTheta + tempY*cosTheta;
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point.X = rotatedX + CenterPoint.X;
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point.Y = rotatedY + CenterPoint.Y;
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}
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}
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}
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} |