using System;
using System.Collections.Generic;
using System.Drawing;

namespace DeepNestLib
{
    public static class Extensions
    {

        public static double DistTo(this SvgPoint p, SvgPoint p2)
        {
            return Math.Sqrt(Math.Pow(p.x - p2.x, 2) + Math.Pow(p.y - p2.y, 2));
        }
        public static double DistTo(this PointF p, PointF p2)
        {
            return Math.Sqrt(Math.Pow(p.X - p2.X, 2) + Math.Pow(p.Y - p2.Y, 2));
        }
        public static T[] splice<T>(this T[] p, int a, int b)
        {
            List<T> ret = new List<T>();
            for (int i = 0; i < p.Length; i++)
            {
                if (i >= a && i < (a + b)) continue;
                ret.Add(p[i]);
            }
            return ret.ToArray();
        }

        public static List<List<ClipperLib.IntPoint>> splice(this List<List<ClipperLib.IntPoint>> p, int a, int b)
        {
            List<List<ClipperLib.IntPoint>> ret = new List<List<ClipperLib.IntPoint>>();
            for (int i = a; i < (a + b); i++)
            {
                if (i >= a && i < (a + b)) continue;
                ret.Add(p[i]);
            }
            return ret;
        }

        public static NFP[] splice(this NFP[] p, int a, int b)
        {
            List<NFP> ret = new List<NFP>();
            for (int i = 0; i < p.Length; i++)
            {
                if (i >= a && i < (a + b)) continue;
                ret.Add(p[i]);
            }

            return ret.ToArray();
        }
    }
}