src/main/java/shape/AbstractShape.java

+package shape;
+
+import javafx.geometry.Point2D;
+import javafx.scene.canvas.GraphicsContext;
+
+import java.util.List;
+
+public class AbstractShape implements Shape {
+    private List<Point2D> points;
+
+    public AbstractShape(List<Point2D> points) {
+        this.points = points;
+    }
+    public List<Point2D> addPoints(Point2D points){
+        this.points.add(points);
+        return this.points;
+    }
+    @Override
+    public int pointsCount() {
+        int count = 0;
+        for (Point2D point : points) {
+            count++;
+        }
+        return count;
+    }
+
+    @Override
+    public Point2D point(int index) {
+        return index < points.size() ? points.get(index) : null;
+    }
+
+    @Override
+    public void draw(GraphicsContext context) {
+        for (Point2D point : points) {
+
+        }
+
+    }
+}

src/main/java/shape/BorderDecorator.java

+package shape;
+
+import javafx.scene.canvas.GraphicsContext;
+
+public class BorderDecorator extends Decorator {
+
+    private double radius;
+
+    public BorderDecorator(Shape decoratedShape ,double radius) {
+        super(decoratedShape);
+        this.radius = radius;
+    }
+        protected void drawDecoration(GraphicsContext context) {
+
+    }
+}

src/main/java/shape/CenterDecorator.java

+package shape;
+
+import javafx.scene.canvas.GraphicsContext;
+
+public class CenterDecorator extends Decorator{
+    private double radius;
+    public CenterDecorator(Shape decoratedShape, double radius) {
+        super(decoratedShape);
+        this.radius = radius;
+    }
+        protected void drawDecoration(GraphicsContext context) {
+
+    }
+}

src/main/java/shape/Decorator.java

+package shape;
+
+import javafx.geometry.Point2D;
+import javafx.scene.canvas.GraphicsContext;
+
+public abstract class Decorator implements Shape {
+    protected Shape decoratedshape;
+    public Decorator(Shape decoratedShape) {
+        this.decoratedshape = decoratedShape;
+    }
+    @Override
+    public int pointsCount() {
+        return decoratedshape.pointsCount();
+    }
+
+    @Override
+    public Point2D point(int index) {
+        return null;
+    }
+
+    @Override
+    public void draw(GraphicsContext context) {
+
+    }
+    protected void drawDecoration(GraphicsContext context) {
+
+    }
+}

src/main/java/shape/Polygon.java

+package shape;
+
+import javafx.geometry.Point2D;
+import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.paint.Color;
+
+public class Polygon implements Shape {
+
+    private Color color;
+
+    public Polygon(Color color, Point2D... points) {
+        this.color = color;
+    }
+
+    @Override
+    public int pointsCount() {
+        return 0;
+    }
+
+    @Override
+    public Point2D point(int index) {
+        return point(index);
+    }
+
+    @Override
+    public void draw(GraphicsContext context) {
+        context.setFill(color);
+
+    }
+}

src/main/java/shape/Rectangle.java

@@ -5,23 +5,23 @@ import javafx.scene.canvas.GraphicsContext;
 import javafx.scene.paint.Color;
 
 public class Rectangle implements Shape{
-    Color color;
+    private Color color;
     Rectangle(Color color, Point2D point0, Point2D point1){
         this.color = color;
     }
 
     @Override
     public int pointsCount() {
-        return 0;
+        return 2;
     }
 
     @Override
     public Point2D point(int index) {
-        return null;
+        return point(index);
     }
 
     @Override
     public void draw(GraphicsContext context) {
-
+        context.setFill(color);
     }
 }