GStreamerHUD/Utilities/GMapMarkerAirport.cs at master · MovLab2/GStreamerHUD · GitHub

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using GMap.NET;
using GMap.NET.WindowsForms;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;

namespace MissionPlanner.Utilities
{
    [Serializable]
    public class GMapMarkerAirport: GMapMarker
    {

            public Pen Pen = new Pen(Brushes.White, 2);

            public Color Color { get { return Pen.Color; } set { if (!initcolor.HasValue) initcolor = value; Pen.Color = value; } }

            Color? initcolor = null;

            public GMapMarker InnerMarker;

        // m
            public int wprad = 5559;

            public void ResetColor()
            {
                if (initcolor.HasValue)
                    Color = initcolor.Value;
                else
                    Color = Color.White;
            }

            public GMapMarkerAirport(PointLatLng p)
                : base(p)
            {
                Pen.DashStyle = DashStyle.Dash;

                // do not forget set Size of the marker
                // if so, you shall have no event on it ;}
                Size = new System.Drawing.Size(50, 50);
                Offset = new System.Drawing.Point(-Size.Width / 2, -Size.Height / 2);
            }

            public override void OnRender(Graphics g)
            {
                base.OnRender(g);

                if (wprad == 0 || Overlay.Control == null)
                    return;

                // if we have drawn it, then keep that color
                if (!initcolor.HasValue)
                    Color = Color.White;

                //wprad = 300;

                // undo autochange in mouse over
                //if (Pen.Color == Color.Blue)
                //  Pen.Color = Color.White;

                double width = (Overlay.Control.MapProvider.Projection.GetDistance(Overlay.Control.FromLocalToLatLng(0, 0), Overlay.Control.FromLocalToLatLng(Overlay.Control.Width, 0)) * 1000.0);
                double height = (Overlay.Control.MapProvider.Projection.GetDistance(Overlay.Control.FromLocalToLatLng(0, 0), Overlay.Control.FromLocalToLatLng(Overlay.Control.Height, 0)) * 1000.0);
                double m2pixelwidth = Overlay.Control.Width / width;
                double m2pixelheight = Overlay.Control.Height / height;

                GPoint loc = new GPoint((int)(LocalPosition.X - (m2pixelwidth * wprad * 2)), LocalPosition.Y);// MainMap.FromLatLngToLocal(wpradposition);


                int x = LocalPosition.X - Offset.X - (int)(Math.Abs(loc.X - LocalPosition.X) / 2);
                int y = LocalPosition.Y - Offset.Y - (int)Math.Abs(loc.X - LocalPosition.X) / 2;
                int widtharc = (int)Math.Abs(loc.X - LocalPosition.X);
                int heightarc = (int)Math.Abs(loc.X - LocalPosition.X);

                if (widtharc > 0)
                {
                    g.DrawArc(Pen, new System.Drawing.Rectangle(x, y, widtharc, heightarc), 0, 360);

                    g.FillPie(new SolidBrush(Color.FromArgb(25, Color.Red)), x, y, widtharc, heightarc, 0, 360);
                }
            }

    }
}