private void SetTreemapItemsParameters(int i, List <TreemapItem> items)
{
TreemapIndex index = Parameters.Indexes[i];
foreach (TreemapItem item in items)
{
item.IndexParameters = index;
if (index.HasHeader && Parameters.Algorithm != TreemapAlgorithm.Circular)
{
FontStyle style = index.FontBold ? FontStyle.Bold : FontStyle.Regular;
Font font = new Font(DefaultFontFamily, (float)index.FontSize, style, GraphicsUnit.Pixel);
float height = font.RenderText(item.Indexes.Last()).Height;
item.SetMargin(new Margin(index.Padding.Left, height, index.Padding.Right, index.Padding.Bottom));
}
if (i == Indexes.Count - 1)
{
item.FillColor = Parameters.Color.GetColor(item.Color);
}
else
{
item.FillColor = index.FillColor;
}
}
}
private void Draw(TreemapItem item)
{
TreemapIndex index = item.IndexParameters;
//Add background shapes
if (!item.IsParent() && (index.HasHeader || item.IsChild() || Parameters.Algorithm == TreemapAlgorithm.Circular))
{
Excel.Shape shape = AddShape(ShapeType, item.Rectangle, item.FillColor);
SetShapeLine(shape, index.GetLineOptions());
SetShapeText(shape, item);
}
//Add Children Items
foreach (var child in item.Items)
{
Draw(child);
}
//Add front shapes
if (!item.IsParent() && !item.IsChild())
{
Excel.Shape frontShape = AddShape(ShapeType, item.InnerRectangle, Color.Transparent);
if (Parameters.Algorithm == TreemapAlgorithm.Circular)
{
frontShape.Line.Visible = GetState(false);
SetShapeText(frontShape, item);
}
else if (!index.HasHeader)
{
SetShapeLine(frontShape, index.GetLineOptions());
SetShapeText(frontShape, item);
}
else //Case Header : inner border & no text
{
SetShapeLine(frontShape, index.GetLineOptions().With(o => o.Weight = 1));
}
}
}
public TreemapIndex GetTreemapIndex()
{
TreemapIndex index = new TreemapIndex();
index.HasHeader = HasHeader;
index.Padding = new Margin(Margin);
index.FillColor = System.Drawing.Color.FromArgb(FillColor.R, FillColor.G, FillColor.B);
index.LineVisible = LineVisible;
index.LineWeight = LineWeight;
index.LineColor = System.Drawing.Color.FromArgb(LineColor.R, LineColor.G, LineColor.B);
index.FontSize = FontSize;
index.FontColor = System.Drawing.Color.FromArgb(FontColor.R, FontColor.G, FontColor.B);
index.FontBold = FontBold;
index.FontOutline = FontOutline;
index.FontOutlineColor = System.Drawing.Color.FromArgb(FontOutlineColor.R, FontOutlineColor.G, FontOutlineColor.B);
index.FontOutlineWeight = FontOutlineWeight;
index.FontGlowRadius = 0;
index.FontGlowColor = System.Drawing.Color.Transparent;
return index;
}
public TreemapParameters AddIndex(TreemapIndex index)
{
Indexes.Add(index);
return this;
}
public TreemapParameters AddIndex(TreemapIndex index)
{
Indexes.Add(index);
return(this);
}
private void SetShapeText(Excel.Shape shape, TreemapItem item)
{
TreemapIndex index = item.IndexParameters;
shape.TextFrame2.WordWrap = Microsoft.Office.Core.MsoTriState.msoTrue;
shape.TextFrame2.MarginBottom = 0.01f;
shape.TextFrame2.MarginTop = 0.01f;
shape.TextFrame2.MarginLeft = 0.01f;
shape.TextFrame2.MarginRight = 0.01f;
if (index.HasHeader && Parameters.Algorithm != TreemapAlgorithm.Circular)
{
shape.TextFrame.VerticalAlignment = Excel.XlVAlign.xlVAlignTop;
}
else
{
shape.TextFrame.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;
}
shape.TextFrame.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
shape.TextFrame.Characters().Font.Bold = index.FontBold;
shape.TextFrame.Characters().Font.Size = index.FontSize;
shape.TextFrame.Characters().Font.Color = index.FontColor.ToRgb();
if (index.FontOutline)
{
shape.TextFrame2.TextRange.Font.Line.Visible = GetState(index.FontOutline);
shape.TextFrame2.TextRange.Font.Line.ForeColor.RGB = index.FontOutlineColor.ToRgb();
shape.TextFrame2.TextRange.Font.Line.Weight = (float)index.FontOutlineWeight;
}
if (item.Items.Count == 0)
{
if (item.FillColor.GetBrightness() < 0.7)
{
shape.TextFrame.Characters().Font.Color = Color.White.ToRgb();
}
else
{
shape.TextFrame.Characters().Font.Color = Color.Black.ToRgb();
}
}
string text = item.Indexes.Last();
float size = (float)index.FontSize;
SizeF textSize = new Font(DefaultFontFamily, size).RenderText(text);
int lines = (int)Math.Floor(textSize.Width / item.Rectangle.Width) + 1;
while (size > 1 && lines * textSize.Height > item.Rectangle.Height)
{
size--;
textSize = new Font(DefaultFontFamily, size).RenderText(text);
lines = (int)Math.Floor(textSize.Width / item.Rectangle.Width) + 1;
}
if (size > 3)
{
shape.TextFrame.Characters().Text = text;
shape.TextFrame.Characters().Font.Size = size;
}
}
