private static RectangleF GetSeriesLabelRelativeRect(ChartGraphics graph, ChartArea area, Series series, RectangleF seriesRelativeRect, DataPoint point)
{
if (!string.IsNullOrEmpty(series.legendText) && TreeMapChart.IsLabelVisible(point))
{
using (Font font = TreeMapChart.GetSeriesLabelFont(point))
{
return(TreeMapChart.GetLabelRelativeRect(graph, font, seriesRelativeRect, series.legendText, LabelAlignmentTypes.TopLeft));
}
}
return(RectangleF.Empty);
}
private static void RenderSeriesLabel(ChartGraphics graph, TreeMapNode seriesTreeMapNode, RectangleF labelRelativeRect)
{
if (!labelRelativeRect.IsEmpty)
{
Series series = seriesTreeMapNode.Series;
DataPoint dataPoint = seriesTreeMapNode.DataPoint;
using (Font font = TreeMapChart.GetSeriesLabelFont(dataPoint))
{
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Near;
stringFormat.LineAlignment = StringAlignment.Near;
graph.DrawStringRel(series.legendText, font, new SolidBrush(dataPoint.FontColor), labelRelativeRect.Location, stringFormat, 0);
}
}
}
