public override System.Drawing.Brush CreateBrush()
{
if (ColorStops.Count == 0)
{
throw new ArgumentException();
}
var stops = ColorStops.OrderBy(t => t.Item1).ToArray();
var first = stops[0];
var last = stops[stops.Length - 1];
var brush = new System.Drawing.Drawing2D.LinearGradientBrush(Start, End, first.Item2.ToDrawingColor(),
last.Item2.ToDrawingColor());
return(brush);
}
public override Brush CreateBrush()
{
var path = new GraphicsPath();
path.AddEllipse(new RectangleF((float)(cx0 - r0), (float)(cy0 - r0), (float)(r0 * 2), (float)(r0 * 2)));
var brush = new PathGradientBrush(path);
var orderedStops = ColorStops.OrderBy(t => t.Item1).ToArray();
var colors = orderedStops.Select(i => i.Item2.ToDrawingColor()).ToArray();
var stops = orderedStops.Select(i => (float)(i.Item1)).ToArray();
brush.InterpolationColors = new ColorBlend(colors.Length)
{
Colors = colors,
Positions = stops
};
return(brush);
}