Create EllipseFigure.cs

DrawFigureLibrary/Figures/EllipseFigure.cs

@@ -0,0 +1,32 @@
+using System.Windows;
+using System.Windows.Media;
+
+namespace DrawFigureLibrary.Figures
+{
+    public class EllipseFigure : Figure
+    {
+        public EllipseFigure(string name, int x, int y, int w, int h) : base(name, x, y, w, h) { }
+
+        public override void Draw(DrawingContext drawingContext)
+        {
+            double cx = x + w / 2.0;
+            double cy = y + h / 2.0;
+
+            double rx = w / 2.0;
+            double ry = h / 2.0;
+
+            drawingContext.DrawEllipse(null, Init.pen, new Point(cx, cy), rx, ry);
+        }
+
+        public override void MoveBy(int deltaX, int deltaY)
+        {
+            if (Init.DrawingImage == null) return;
+
+            if (Figure.Check(this, deltaX, deltaY, Init.DrawingImage))
+            {
+                x += deltaX;
+                y += deltaY;
+            }
+        }
+    }
+}