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GMarkerArrow.cs
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GMarkerArrow.cs
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namespace Demo.WindowsForms.CustomMarkers
{
using System;
using System.Drawing;
using System.Runtime.Serialization;
using GMap.NET;
using GMap.NET.WindowsForms;
[Serializable]
public class GMarkerArrow : GMapMarker, ISerializable
{
[NonSerialized]
public Brush Fill = new SolidBrush(Color.FromArgb(155, Color.Blue));
//[NonSerialized]
//public Pen Pen = new Pen(Brushes.Blue, 5);
static readonly Point[] Arrow = new Point[] { new Point(-7, 7), new Point(0, -22), new Point(7, 7), new Point(0, 2) };
public float Bearing = 0;
private float scale = 1;
public float Scale
{
get
{
return scale;
}
set
{
scale = value;
Size = new System.Drawing.Size((int)(14*scale), (int)(14*scale));
Offset = new System.Drawing.Point(-Size.Width / 2, (int)(-Size.Height / 1.4));
}
}
public GMarkerArrow(PointLatLng p)
: base(p)
{
Scale = 1;
}
public override void OnRender(Graphics g)
{
//g.DrawRectangle(Pen, new System.Drawing.Rectangle(LocalPosition.X, LocalPosition.Y, Size.Width, Size.Height));
{
g.TranslateTransform(ToolTipPosition.X, ToolTipPosition.Y);
var c = g.BeginContainer();
{
g.RotateTransform(Bearing - Overlay.Control.Bearing);
g.ScaleTransform(Scale, Scale);
g.FillPolygon(Fill, Arrow);
}
g.EndContainer(c);
g.TranslateTransform(-ToolTipPosition.X, -ToolTipPosition.Y);
}
}
public override void Dispose()
{
//if(Pen != null)
//{
// Pen.Dispose();
// Pen = null;
//}
if(Fill != null)
{
Fill.Dispose();
Fill = null;
}
base.Dispose();
}
#region ISerializable Members
void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
{
base.GetObjectData(info, context);
}
protected GMarkerArrow(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
#endregion
}
}