Added Rectangle

2019-10-20 21:42:51 -06:00
parent 62c9007691
commit 268c742f6c
18 changed files with 583 additions and 9 deletions
--- a/Shapes/Circle.cs
+++ b/Shapes/Circle.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Drawing;
+
+namespace Shapes
+{
+    public class Circle : Shape
+    {
+        public Point Center { get; private set; }
+        public double Radius { get; private set;  }
+
+        public override Color Fill { get; set; }
+        public override  Color Color { get; set; }
+        public override double Height { get; }
+        public override  double Width { get; }
+
+        /**
+         * Constructor with x-y Location for center
+         *
+         * @param x                 The x-location of the center of the circle -- must be a valid double
+         * @param y                 The y-location of the center of the circle
+         * @param radius            The radius of the circle -- must be greater or equal to zero.
+         * @throws ShapeException   The exception thrown if the x, y, or z are not valid
+         */
+        public Circle(double x, double y, double radius)
+        {
+            Validator.ValidatePositiveDouble(radius, "Invalid radius");
+            Center = new Point(x, y);
+            Radius = radius;
+            Color = Color.Black;
+            Fill = Color.White;
+            Height = radius * 2;
+            Width = radius * 2;
+        }
+
+        /**
+         * Constructor with a Point for center
+         *
+         * @param center            The x-location of the center of the circle -- must be a valid point
+         * @param radius            The radius of the circle -- must be greater or equal to zero.
+         * @throws ShapeException   The exception thrown if the x, y, or z are not valid
+         */
+        public Circle(Point center, double radius) {
+        
+            Validator.ValidatePositiveDouble(radius, "Invalid radius");
+            if (center == null)
+                throw new ShapeException("Invalid center point");
+            Center = center;
+            Radius = radius;
+            Color = Color.Black;
+            Fill = Color.White;
+            Height = radius * 2;
+            Width = radius * 2;
+        }
+
+        /**
+         * Move the circle
+         * @param deltaX            a delta change for the x-location of center of the circle
+         * @param deltaY            a delta change for the y-location of center of the circle
+         * @throws ShapeException   Exception thrown if either the delta x or y are not valid doubles
+         */
+        public void Move(double deltaX, double deltaY)
+        {
+            Center.Move(deltaX, deltaY);
+        }
+
+        /**
+         * Scale the circle
+         *
+         * @param scaleFactor       a non-negative double that represents the percentage to scale the circle.
+         *                          0>= and <1 to shrink.
+         *                          >1 to grow.
+         * @throws ShapeException   Exception thrown if the scale factor is not valid
+         */
+        public override void Scale(double scaleFactor)
+        {
+            Validator.ValidatePositiveDouble(scaleFactor, "Invalid scale factor");
+            Radius *= scaleFactor;
+        }
+
+        /**
+         * @return  The area of the circle.
+         */
+        public override double ComputeArea()
+        {
+            return Math.PI * Math.Pow(Radius, 2);
+        }
+        
+    }
+}