void IChartLegend <SkiaSharpDrawingContext> .Draw(Chart <SkiaSharpDrawingContext> chart)
{
var series = chart.DrawableSeries;
var legendOrientation = chart.LegendOrientation;
var legendPosition = chart.LegendPosition;
Series = series;
switch (legendPosition)
{
case LegendPosition.Hidden:
Visibility = Visibility.Collapsed;
break;
case LegendPosition.Top:
Visibility = Visibility.Visible;
if (legendOrientation == LegendOrientation.Auto)
{
Orientation = Orientation.Horizontal;
}
Dock = Dock.Top;
break;
case LegendPosition.Left:
Visibility = Visibility.Visible;
if (legendOrientation == LegendOrientation.Auto)
{
Orientation = Orientation.Vertical;
}
Dock = Dock.Left;
break;
case LegendPosition.Right:
Visibility = Visibility.Visible;
if (legendOrientation == LegendOrientation.Auto)
{
Orientation = Orientation.Vertical;
}
Dock = Dock.Right;
break;
case LegendPosition.Bottom:
Visibility = Visibility.Visible;
if (legendOrientation == LegendOrientation.Auto)
{
Orientation = Orientation.Horizontal;
}
Dock = Dock.Bottom;
break;
default:
break;
}
if (legendOrientation != LegendOrientation.Auto)
{
Orientation = legendOrientation == LegendOrientation.Horizontal
? Orientation.Horizontal
: Orientation.Vertical;
}
var wpfChart = (Chart)chart.View;
FontFamily = wpfChart.LegendFontFamily ?? new FontFamily("Trebuchet MS");
TextColor = wpfChart.LegendTextColor ?? new SolidColorBrush(Color.FromRgb(35, 35, 35));
FontSize = wpfChart.LegendFontSize ?? 13;
FontWeight = wpfChart.LegendFontWeight ?? FontWeights.Normal;
FontStyle = wpfChart.LegendFontStyle ?? FontStyles.Normal;
FontStretch = wpfChart.LegendFontStretch ?? FontStretches.Normal;
UpdateLayout();
}
