public override void AddColorStop(object backend, double position, Xwt.Drawing.Color color)
{
GradientInfo gr = (GradientInfo)backend;
gr.Colors.Add(color.ToCGColor());
gr.Stops.Add((float)position);
}
public override void SetColor(object backend, Xwt.Drawing.Color color)
{
CGContextBackend gc = (CGContextBackend)backend;
gc.CurrentStatus.Pattern = null;
// Store the current color for TextLayout using NSLayoutManager
gc.CurrentStatus.GlobalColor = color.ToCGColor();
CGContext ctx = gc.Context;
ctx.SetFillColorSpace(Util.DeviceRGBColorSpace);
ctx.SetStrokeColorSpace(Util.DeviceRGBColorSpace);
ctx.SetFillColor((float)color.Red, (float)color.Green, (float)color.Blue, (float)color.Alpha);
ctx.SetStrokeColor((float)color.Red, (float)color.Green, (float)color.Blue, (float)color.Alpha);
}