public double AspectRatio(List <TreemapData> items)
{
double area = Area(items.Last().Size);
if (Empty.IsHorizontal())
{
double width = Area(items) / Empty.Height;
return(new Rect(0, 0, area / width, width).AspectRatio());
}
else
{
double height = Area(items) / Empty.Width;
return(new Rect(0, 0, height, area / height).AspectRatio());
}
}
public void AddItems(List <TreemapData> items)
{
double top = Empty.Top;
double left = Empty.Left;
if (Empty.IsHorizontal())
{
double width = Area(items) / Empty.Height;
foreach (TreemapData data in items)
{
double area = Area(data.Size);
Items.Add(new TreemapItem(left, top, width, area / width)
{
Indexes = data.Indexes,
Size = data.Size,
Color = data.Color
});
top += area / width;
}
Empty = new Rect(Empty.Left + width, Empty.Top, (Empty.Width - width).Floor(0), Empty.Height);
}
else
{
double height = Area(items) / Empty.Width;
foreach (TreemapData data in items)
{
double area = Area(data.Size);
Items.Add(new TreemapItem(left, top, area / height, height)
{
Indexes = data.Indexes,
Size = data.Size,
Color = data.Color
});
left += area / height;
}
Empty = new Rect(Empty.Left, Empty.Top + height, Empty.Width, (Empty.Height - height).Floor(0));
}
}