using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GraphingCalculator
{
    public class Bounds
    {
        private double left, right, top, bottom;

        #region Public properties
        public double Left
        {
            get { return left; }
            set { left = value; if (BoundsChanged != null) BoundsChanged(this, new EventArgs()); }
        }
        public double Right
        {
            get { return right; }
            set { right = value; if (BoundsChanged != null) BoundsChanged(this, new EventArgs()); }
        }
        public double Top
        {
            get { return top; }
            set { top = value; if (BoundsChanged != null) BoundsChanged(this, new EventArgs()); }
        }
        public double Bottom
        {
            get { return bottom; }
            set { bottom = value; if (BoundsChanged != null) BoundsChanged(this, new EventArgs()); }
        }

        public double Width
        {
            get { return Right - Left; }
            set { Right = Left + value; }
        }
        public double Height
        {
            get { return Top - Bottom; }
            set { Top = Bottom + Height; }
        }
        #endregion

        public event EventHandler BoundsChanged;

        #region Constructors
        public Bounds()
        {
            Left = Right = Top = Bottom = 0;
        }
        public Bounds(double w, double h)
        {
            Left = Bottom = 0;
            Width = w; Height = h;
        }
        public Bounds(double l, double t, double r, double b)
        {
            Left = l; Top = t; Right = r; Bottom = b;
        }
        #endregion

        #region IsInBounds
        public bool IsInBounds(double x, double y)
        {
            return (x >= Math.Min(Left, Right) && x <= Math.Max(Left, Right) &&
                y >= Math.Min(Top, Bottom) && y <= Math.Max(Top, Bottom));
        }

        public bool IsInBounds(System.Windows.Point point)
        {
            return IsInBounds(point.X, point.Y);
        }
        #endregion
    }
}