many debugs

QWERTYkez.ExcelProcessor/Editors/CellFont.cs

@@ -13,7 +13,7 @@ public readonly struct CellFont : IEquatable<CellFont>
     public string? FontFamily { get; init; }
 
     /// <summary>Цвет текста.</summary>
-    public ExColor? FontColor { get; init; }
+    public System.Drawing.Color? FontColor { get; init; }
 
     /// <summary>Жирное начертание.</summary>
     public bool? IsBold { get; init; }
@@ -27,6 +27,35 @@ public readonly struct CellFont : IEquatable<CellFont>
     /// <summary>Зачёркивание.</summary>
     public bool? IsStrike { get; init; }
 
+
+    internal bool TryMerge(CellFont other, out CellFont result)
+    {
+        if (other.FontSize == FontSize &&
+            other.FontFamily == FontFamily &&
+            other.FontColor == FontColor &&
+            other.IsBold == IsBold &&
+            other.IsItalic == IsItalic &&
+            other.IsUnderline == IsUnderline &&
+            other.IsStrike == IsStrike)
+        {
+            result = default;
+            return false;
+        }
+
+        result = new CellFont
+        {
+            FontSize = other.FontSize ?? FontSize,
+            FontFamily = other.FontFamily ?? FontFamily,
+            FontColor = other.FontColor ?? FontColor,
+            IsBold = other.IsBold ?? IsBold,
+            IsItalic = other.IsItalic ?? IsItalic,
+            IsUnderline = other.IsUnderline ?? IsUnderline,
+            IsStrike = other.IsStrike ?? IsStrike
+        };
+        return true;
+    }
+
+
     /// <summary>Создаёт элемент Font для Open XML.</summary>
     public Font? ToFont()
     {
@@ -39,11 +68,8 @@ public readonly struct CellFont : IEquatable<CellFont>
             font.FontSize = new FontSize { Val = FontSize.Value };
         if (FontFamily is not null)
             font.FontName = new FontName { Val = FontFamily };
-        if (FontColor.HasValue && FontColor.Value.Color.HasValue)
-        {
-            var c = FontColor.Value.Color.Value;
+        if (FontColor is { } c)
             font.Color = new Color { Rgb = $"{c.R:X2}{c.G:X2}{c.B:X2}" };
-        }
         if (IsBold == true) font.Bold = new Bold();
         if (IsItalic == true) font.Italic = new Italic();
         if (IsUnderline == true) font.Underline = new Underline();
@@ -75,7 +101,7 @@ public readonly struct CellFont : IEquatable<CellFont>
                 Convert.ToByte(rgb.Substring(2, 2), 16),
                 Convert.ToByte(rgb.Substring(4, 2), 16)
             );
-            result = result with { FontColor = new ExColor(color) };
+            result = result with { FontColor = color };
         }
         return result;
     }