Extensions.cs

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using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using Configuration;

namespace SharedObjects
{
    public static class Extensions
    {
        [Log]
        [LogException]
        public static ColorPoint3D Intersection(this Line line1, Line line2)
        {
            //intersection of the two coplanar lines
            ColorPoint3D intersectionPoint3D = new ColorPoint3D((line2.Beta - line1.Beta)/(line1.Alpha - line2.Alpha), 0, 0);
            intersectionPoint3D.Z = line2.Alpha * intersectionPoint3D.X + line2.Beta;
            return intersectionPoint3D;
        }

        [Log]
        [LogException]
        public static void ChevronFromPoints(this ColorPoint3D point1, ColorPoint3D point2, out double alpha, out double beta)
        {
            alpha = (point2.Z - point1.Z) / (point2.X - point1.X);
            beta = point1.Z - alpha * point1.X;
        }

        [Log]
        [LogException]
        public static void SaveImage(this Image image, string imageFolder, string name, int actualSteps, Information configuration)
        {
            if (!configuration.Places.SaveImages)
                return;
            string file =
                $"Image_{name}_{(configuration.Motor.MicroStepsEnabled ? "MS" : "NS")}{(configuration.Motor.MicroStepsEnabled ? actualSteps : actualSteps*16)}.png";
            string filePath = Path.Combine(imageFolder, file);
            image.Save(filePath);
        }

        [LogException]
        public static IEnumerable<T> Descendants<T>(this Control control) where T : class
        {

            foreach (Control child in control.Controls)
            {
                T childOfT = child as T;
                if (childOfT != null)
                {
                    yield return childOfT;
                }

                if (!child.HasChildren) 
                    continue;
                foreach (T descendant in Descendants<T>(child))
                {
                    yield return descendant;
                }
            }

        }
    }
}