private static void RenderDataPointLabel(ChartGraphics graph, ChartArea area, int index, TreeMapNode dataPointTreeMapNode, string text, RectangleF labelRelativeRect, RectangleF dataPointRelativeRect, RectangleF seriesLabelRelativeRect)
{
if (!labelRelativeRect.IsEmpty && TreeMapChart.CanLabelFit(dataPointRelativeRect, labelRelativeRect) && !labelRelativeRect.IntersectsWith(seriesLabelRelativeRect))
{
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Near;
stringFormat.LineAlignment = StringAlignment.Near;
DataPoint dataPoint = dataPointTreeMapNode.DataPoint;
graph.DrawPointLabelStringRel(area.Common, text, dataPoint.Font, new SolidBrush(dataPoint.FontColor), labelRelativeRect.Location, stringFormat, dataPoint.FontAngle, labelRelativeRect, dataPoint.LabelBackColor, dataPoint.LabelBorderColor, dataPoint.LabelBorderWidth, dataPoint.LabelBorderStyle, dataPoint.series, dataPoint, index);
}
}
private static void RenderLabels(ChartGraphics graph, ChartArea area, List <TreeMapNode> seriesTreeMapNodes)
{
foreach (TreeMapNode seriesTreeMapNode in seriesTreeMapNodes)
{
if (seriesTreeMapNode.DataPoint != null)
{
RectangleF relativeRect = TreeMapChart.GetRelativeRect(graph, seriesTreeMapNode);
RectangleF rectangleF = TreeMapChart.GetSeriesLabelRelativeRect(graph, area, seriesTreeMapNode.Series, relativeRect, seriesTreeMapNode.DataPoint);
if (!TreeMapChart.CanLabelFit(relativeRect, rectangleF))
{
rectangleF = RectangleF.Empty;
}
int num = 0;
foreach (TreeMapNode child in seriesTreeMapNode.Children)
{
DataPoint dataPoint = child.DataPoint;
RectangleF rectangle = child.Rectangle;
TreeMapChart.RenderDataPointLabel(graph, area, num, child, rectangleF);
num++;
}
TreeMapChart.RenderSeriesLabel(graph, seriesTreeMapNode, rectangleF);
}
}
}
