public static void CalculateRectangles(RectangleF containerRect, IEnumerable <TreeMapNode> treeMapNodes, double value)
{
foreach (TreeMapDataPointInfo item in new TreeMapSquaringAlgorithm().Split(containerRect, value, treeMapNodes))
{
RectangleF rect = item.Rect;
TreeMapNode node = item.Node;
node.Rectangle = rect;
if (node.Children != null)
{
CalculateRectangles(node.Rectangle, node.Children, node.Value);
}
}
}
private static void RenderSeriesLabel(ChartGraphics graph, TreeMapNode seriesTreeMapNode, RectangleF labelRelativeRect)
{
if (!labelRelativeRect.IsEmpty)
{
Series series = seriesTreeMapNode.Series;
DataPoint dataPoint = seriesTreeMapNode.DataPoint;
using (Font font = 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);
}
}
}
private static void BuildTreeNodes(CommonElements common, ChartArea area, out double chartTotal, out List <TreeMapNode> seriesTreeMapNodes)
{
chartTotal = 0.0;
seriesTreeMapNodes = new List <TreeMapNode>();
foreach (Series item in common.DataManager.Series)
{
if (!item.IsVisible() || item.ChartArea != area.Name)
{
continue;
}
double num = 0.0;
List <TreeMapNode> list = new List <TreeMapNode>();
foreach (DataPoint point in item.Points)
{
TreeMapNode treeMapNode = new TreeMapNode(point);
list.Add(treeMapNode);
num += treeMapNode.Value;
}
TreeMapNode treeMapNode2 = new TreeMapNode(item, num);
treeMapNode2.Children = list;
seriesTreeMapNodes.Add(treeMapNode2);
chartTotal += treeMapNode2.Value;
}
}
public TreeMapDataPointInfo(RectangleF rect, TreeMapNode dataPoint)
{
Rect = rect;
Node = dataPoint;
}
private static RectangleF GetDataPointLabelRelativeRect(ChartGraphics graph, TreeMapNode dataPointTreeMapNode, RectangleF dataPointRelativeRect, string text)
{
DataPoint dataPoint = dataPointTreeMapNode.DataPoint;
return(GetLabelRelativeRect(graph, dataPoint.Font, dataPointRelativeRect, text, GetLabelAlignment(dataPoint)));
}
private static RectangleF GetRelativeRect(ChartGraphics graph, TreeMapNode treeMapNode)
{
return(graph.GetRelativeRectangle(new RectangleF(treeMapNode.Rectangle.X, treeMapNode.Rectangle.Y, treeMapNode.Rectangle.Width - DataPointMargin, treeMapNode.Rectangle.Height - DataPointMargin)));
}
private static void RenderDataPointLabel(ChartGraphics graph, ChartArea area, int index, TreeMapNode dataPointTreeMapNode, string text, RectangleF labelRelativeRect, RectangleF dataPointRelativeRect, RectangleF seriesLabelRelativeRect)
{
if (!labelRelativeRect.IsEmpty && 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 RenderDataPointLabel(ChartGraphics graph, ChartArea area, int index, TreeMapNode dataPointTreeMapNode, RectangleF seriesLabelRelativeRect)
{
RectangleF relativeRect = GetRelativeRect(graph, dataPointTreeMapNode);
string labelText = GetLabelText(dataPointTreeMapNode.DataPoint);
RenderDataPointLabel(graph, area, index, dataPointTreeMapNode, labelText, GetDataPointLabelRelativeRect(graph, dataPointTreeMapNode, relativeRect, labelText), relativeRect, seriesLabelRelativeRect);
}
private static void RenderDataPoint(ChartGraphics graph, CommonElements common, int index, TreeMapNode dataPointTreeMapNode)
{
RectangleF relativeRect = GetRelativeRect(graph, dataPointTreeMapNode);
DataPoint dataPoint = dataPointTreeMapNode.DataPoint;
graph.FillRectangleRel(relativeRect, dataPoint.Color, dataPoint.BackHatchStyle, dataPoint.BackImage, dataPoint.BackImageMode, dataPoint.BackImageTransparentColor, dataPoint.BackImageAlign, dataPoint.BackGradientType, dataPoint.BackGradientEndColor, dataPoint.BorderColor, dataPoint.BorderWidth, dataPoint.BorderStyle, dataPoint.series.ShadowColor, dataPoint.series.ShadowOffset, PenAlignment.Inset, ChartGraphics.GetBarDrawingStyle(dataPoint), isVertical: true);
AddDataPointHotRegion(graph, common, index, dataPoint, relativeRect);
}
