/// <summary>
/// Given a size, this will return the native symbolizer that has been adjusted to the specified size.
/// </summary>
/// <param name="size">The size of the symbol</param>
/// <param name="color">The color of the symbol</param>
/// <returns>The adjusted symbolizer.</returns>
public IFeatureSymbolizer GetSymbolizer(double size, Color color)
{
IFeatureSymbolizer copy = Symbolizer.Copy();
// preserve aspect ratio, larger dimension specified
IPointSymbolizer ps = copy as IPointSymbolizer;
if (ps != null)
{
Size2D s = ps.GetSize();
double ratio = size / Math.Max(s.Width, s.Height);
s.Width *= ratio;
s.Height *= ratio;
ps.SetSize(s);
ps.SetFillColor(color);
}
ILineSymbolizer ls = copy as ILineSymbolizer;
if (ls != null)
{
ls.SetWidth(size);
ls.SetFillColor(color);
}
return(copy);
}
/// <summary>
/// Creates the category using a random fill color.
/// </summary>
/// <param name="fillColor">The base color to use for creating the category.</param>
/// <param name="size">The double size of the larger dimension of the point.</param>
/// <returns>A new polygon category.</returns>
public override ICategory CreateNewCategory(Color fillColor, double size)
{
IPointSymbolizer ps = EditorSettings.TemplateSymbolizer.Copy() as IPointSymbolizer ?? new PointSymbolizer(fillColor, PointShape.Ellipse, size);
ps.SetFillColor(fillColor);
Size2D oSize = ps.GetSize();
double rat = size / Math.Max(oSize.Width, oSize.Height);
ps.SetSize(new Size2D(rat * oSize.Width, rat * oSize.Height));
return(new PointCategory(ps));
}