public override void Render(DrawingContext dc, GeometryStyleBase geometryStyle)
{
if (null == dc || !(geometryStyle is CircleStyle))
{
return;
}
CircleStyle style = geometryStyle as CircleStyle;
Pen pen = new Pen(style.LineBrush, 6);
pen.DashStyle = style.DashStyle;
if (pen.CanFreeze)
{
pen.Freeze();
}
if (!_moving)
{
_beforeMoveFirstPoint = geometryStyle.FirstPoint;
_beforeMoveSecondPoint = geometryStyle.SecondPoint;
}
dc.DrawEllipse(style.FillBrush, pen, new Point(
(geometryStyle.FirstPoint.X + geometryStyle.SecondPoint.X) / 2, (geometryStyle.FirstPoint.Y + geometryStyle.SecondPoint.Y) / 2),
Math.Abs(geometryStyle.FirstPoint.X - geometryStyle.SecondPoint.X) / 2, Math.Abs(geometryStyle.FirstPoint.Y - geometryStyle.SecondPoint.Y) / 2);
}
public PointOfInterest(string id, string name, PointF location, CircleStyle style, PointOfInterestType type) : base(location)
{
this.Style = style;
//this.Location = location;
this.Name = name;
this.ID = id;
this.Type = type;
}
// Draw a circle around its center coordinates using the specified style
public static void DrawCircle(Graphics g, int x, int y, CircleStyle style)
{
Rectangle rect = new Rectangle((int)(x - style.Radius), (int)(y - style.Radius), (int)(2 * style.Radius), (int)(2 * style.Radius));
if (style.Fill)
{
g.FillEllipse(new SolidBrush(style.FillColor), rect);
}
if (style.Stroke)
{
g.DrawEllipse(new Pen(style.StrokeColor, style.StrokeWidth), rect);
}
}
public Circle(string id, string label, double posX, double posY, double radius = 2, CircleStyle style = null, string[] classes = null)
{
RootName = "circle";
Id = id;
PosX = posX;
PosY = posY;
Style = style ?? new CircleStyle();
Classes = classes;
Radius = radius;
Label = label;
}
// Draw a circle around its center point using the specified style
public static void DrawCircle(Graphics g, Point center, CircleStyle style)
{
DrawCircle(g, center.X, center.Y, style);
}