EPPlus/Style/Dxf/ExcelDxfColor.cs

using System;
using System.Drawing;

namespace OfficeOpenXml.Style.Dxf;

public class ExcelDxfColor : DxfStyleBase<ExcelDxfColor> {
  public ExcelDxfColor(ExcelStyles styles)
      : base(styles) {}

  public int? Theme { get; set; }

  public int? Index { get; set; }

  public bool? Auto { get; set; }

  public double? Tint { get; set; }

  public Color? Color { get; set; }

  protected internal override string Id =>
    GetAsString(Theme)
        + "|"
        + GetAsString(Index)
        + "|"
        + GetAsString(Auto)
        + "|"
        + GetAsString(Tint)
        + "|"
        + GetAsString(Color == null ? "" : Color.Value.ToArgb().ToString("x"));

  protected internal override ExcelDxfColor Clone() {
    return new(_styles) {
      Theme = Theme,
      Index = Index,
      Color = Color,
      Auto = Auto,
      Tint = Tint,
    };
  }

  protected internal override bool HasValue =>
    Theme != null || Index != null || Auto != null || Tint != null || Color != null;

  protected internal override void CreateNodes(XmlHelper helper, string path) {
    throw new NotImplementedException();
  }
}