/// <summary>
/// Draw hands on the clock
/// </summary>
/// <param name="graphics">Graphics context</param>
public void Draw(IGraphicsService graphics)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
var now = _dateTimeService.Now;
var second = (now.Second / 60d);
var minute = (now.Minute / 60d) + (second / 60d);
var hourly = (now.Hour / 12d) + (minute / 12d);
Array.ForEach(new DrawArgs[] {
new DrawArgs
{
Brush = _secondBrush,
Angle = second,
Length = Constants.SecondLength,
MaxWidthLength = Constants.SecondMaxWidthLength,
Width = Constants.SecondWidth
},
new DrawArgs
{
Brush = _minuteBrush,
Angle = minute,
Length = Constants.MinuteLength,
MaxWidthLength = Constants.MinuteMaxWidthLength,
Width = Constants.MinuteWidth
},
new DrawArgs
{
Brush = _hourlyBrush,
Angle = hourly,
Length = Constants.HourlyLength,
MaxWidthLength = Constants.HourlyMaxWidthLength,
Width = Constants.HourlyWidth
}
}, x =>
graphics.FillPolygon(x.Brush, new PointF[] {
_mathService.GetPoint(x.Angle + Constants.QuarterCircle, Center.CircleSize / 2),
_mathService.GetPoint(x.Angle + x.Width, x.Length * x.MaxWidthLength),
_mathService.GetPoint(x.Angle, x.Length),
_mathService.GetPoint(x.Angle - x.Width, x.Length * x.MaxWidthLength),
_mathService.GetPoint(x.Angle - Constants.QuarterCircle, Center.CircleSize / 2)
})
);
}