Plot2DLinePainter.cs

using SkiaSharp;
 
namespace Waher.Script.Graphs.Functions.Plots
{
    public class Plot2DLinePainter : SingleColorGraphPainter, IPainter2D
    {
        public void DrawGraph(SKCanvas Canvas, SKPoint[] Points, object[] Parameters, SKPoint[] PrevPoints, object[] PrevParameters,
            DrawingArea DrawingArea)
        {
            SKPaint Pen = null;
            SKPath Path = null;
            bool First = true;
 
            try
            {
                Pen = Graph.ToPen(Parameters[0], Parameters[1]);
                Path = new SKPath();
 
                foreach (SKPoint Point in Points)
                {
                    if (First)
                    {
                        First = false;
                        Path.MoveTo(Point);
                    }
                    else
                        Path.LineTo(Point);
                }
 
                Canvas.DrawPath(Path, Pen);
            }
            finally
            {
                Pen?.Dispose();
                Path?.Dispose();
            }
        }
 
    }
}