public abstract class Shapes {
    protected int xs1,ys1,xs2,ys2;
    public Paint style;
    protected int ColorIndex;
    protected Paint.Style PaintStyle;
    Shapes(){
        style = new Paint();
        setPaintStyle(Paint.Style.FILL);
        style.setStrokeWidth(12);
        setColorIndex(Color.BLACK);
        style.setAntiAlias(true);
    }
   // Shapes(int color,Paint.Style pstyle){
   //     setColorIndex(color);
   //     setPaintStyle(pstyle);
        //style.setColor(Color.CYAN);
  //  }
    public final void Set(int x1,int y1,int x2,int y2)
    {
        xs1 = x1;
        ys1 = y1;
        xs2 = x2;
        ys2 = y2;
    }
    public void setColorIndex(int index){
        this.ColorIndex = index;
    }
    public int getColorIndex(){
        return ColorIndex;
    }
    public void setPaintStyle(Paint.Style pstyle){
        this.PaintStyle= pstyle;
    }
    public Paint.Style getPaintStyle(){
        return PaintStyle;
    }
    public void Show(Canvas canvas){

    }
}

public class RectShape extends Shapes{
   // public RectShape(){
  //      super();
   // }
    public RectShape(int color,Paint.Style pstyle){
        //super(color,pstyle);
        super();
        setColorIndex(color);
        setPaintStyle(pstyle);
        //style.setColor(Color.CYAN);
    }

    @Override
    public void Show(Canvas canvas){
        if(xs2>xs1 && ys2>ys1)
            canvas.drawRect(xs1,ys1,xs2,ys2, style);
        else if(xs2<xs1 && ys2>ys1)
            canvas.drawRect(xs2,ys1,xs1,ys2, style);
        else if(xs2>xs1 && ys2<ys1)
            canvas.drawRect(xs1,ys2,xs2,ys1, style);
        else
            canvas.drawRect(xs2,ys2,xs1,ys1, style);
    }
}