public static GCandleSeries ToGCandleSeries(this OhlcData data, ResolutionSourceProvider resolver = null, string title = "")
{
var ohlcChartPointEvaluator = new OhlcInstantChartPointMapper(resolver ?? new ResolutionSourceProvider(data.Resolution));
var series = new GCandleSeries
{
Configuration = ohlcChartPointEvaluator,
IncreaseBrush = Brushes.Aquamarine,
DecreaseBrush = Brushes.LightCoral,
Fill = Brushes.Transparent,
Title = title
};
if (data == null)
{
return(series);
}
var values = new GearedValues <OhlcInstantChartPoint>();
values.AddRange(data.OrderBy(x => x.DateTimeUtc).Select(i => new OhlcInstantChartPoint(i)));
series.Values = values;
return(series);
}
public Series BuildSeries(SeriesDefinition sourceSeries)
{
Series series;
switch (sourceSeries.SeriesType)
{
case SeriesType.Line:
series = new GLineSeries
{
Configuration = ChartPointEvaluator,
Fill = Brushes.Transparent
};
break;
case SeriesType.Bar:
series = new GColumnSeries
{
Configuration = ChartPointEvaluator,
};
break;
case SeriesType.Candle:
series = new GCandleSeries
{
Configuration = OhlcChartPointEvaluator,
IncreaseBrush = Brushes.Aquamarine,
DecreaseBrush = Brushes.LightCoral,
Fill = Brushes.Transparent
};
break;
case SeriesType.Scatter:
series = new GScatterSeries
{
Configuration = ChartPointEvaluator,
StrokeThickness = 1,
GearedPointGeometry = GetGearedPointGeometry(sourceSeries.ScatterMarkerSymbol)
};
break;
default:
throw new NotSupportedException();
}
series.Title = sourceSeries.Name;
series.PointGeometry = GetPointGeometry(sourceSeries.ScatterMarkerSymbol);
// Check whether the series has a color configured
if (_defaultColors.All(c => !sourceSeries.Color.Equals(c)))
{
// No default color present. use it for the stroke
var brush = new SolidColorBrush(sourceSeries.Color);
brush.Freeze();
switch (sourceSeries.SeriesType)
{
case SeriesType.Candle:
series.Fill = brush;
break;
default:
series.Stroke = brush;
break;
}
}
return(series);
}
