Skala.cs

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

namespace WindowsFormsApplication4
{
    class Skala
    {
        public double A, B, C, D;
        public double E, F, G, H;

        public Skala( int xe0, int ye0, int eszer, int ewys, double xr0, double yr0, double rszer, double rwys)
        {
            A = (double) eszer / rszer; //z przestrzeni na ekran
            B = (double) xe0 - A * (xr0 - rszer / 2.0);
            C = -(double)ewys  / rwys;
            D = (double) ye0 - C * (yr0 + rwys / 2.0);

            E = rszer / (double)eszer;      //z ekranu do przestrzeni
            F = xr0 - rszer / 2.0 - E * (double)xe0;
            G = -rwys / (double)ewys;
            H = yr0 + rwys  / 2.0 - G * (double)ye0;
        }
        public Skala( int xe0, int eszer, double xr0, double rszer)
        {
            A = (double) eszer / rszer; //z przestrzeni na ekran
            B = (double) xe0 - A * (xr0 - rszer / 2.0);
            C = 0;
            D = 0;

            E = rszer / (double)eszer;      //z ekranu do przestrzeni
            F = xr0 - rszer / 2.0 - E * (double)xe0;
            G = 0;
            H = 0;
        }
        public double daj_real_x(int xe)
        {
            return E * xe + F;
        }
        public double daj_real_y(int ye)
        {
            return G * ye + H;
        }
        public int daj_ekr_x(double x)
        {
            return (int)(A * x + B);
        }
        public int daj_ekr_y(double y)
        {
            return (int)(C * y + D);
        }




    }
}