51 lines
1.7 KiB
C#
51 lines
1.7 KiB
C#
namespace QWERTYkez.ExcelProcessor;
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/// <summary>
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/// Определяет заливку (фон) ячейки.
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/// </summary>
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public readonly struct CellFill : IEquatable<CellFill>
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{
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/// <summary>Цвет фона.</summary>
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public System.Drawing.Color? BackgroundColor { get; init; }
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/// <summary>Создаёт элемент Fill для Open XML.</summary>
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public Fill? ToFill()
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{
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if (BackgroundColor is not { } c) return null;
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var fill = new Fill
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{
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PatternFill = new PatternFill
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{
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PatternType = PatternValues.Solid,
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ForegroundColor = new ForegroundColor { Rgb = $"{c.R:X2}{c.G:X2}{c.B:X2}" }
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}
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};
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return fill;
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}
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/// <summary>Создаёт CellFill из элемента Fill Open XML.</summary>
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public static CellFill FromFill(Fill? fill)
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{
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if (fill?.PatternFill?.ForegroundColor?.Rgb?.Value is not string rgb || rgb.Length < 6)
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return default;
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var color = System.Drawing.Color.FromArgb(
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Convert.ToByte(rgb.Substring(0, 2), 16),
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Convert.ToByte(rgb.Substring(2, 2), 16),
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Convert.ToByte(rgb.Substring(4, 2), 16)
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);
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return new CellFill { BackgroundColor = color };
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}
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public override bool Equals(object? obj) => obj is CellFill other && Equals(other);
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public bool Equals(CellFill other) => this == other;
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public static bool operator ==(CellFill left, CellFill right) =>
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Equals(left.BackgroundColor, right.BackgroundColor);
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public static bool operator !=(CellFill left, CellFill right) => !(left == right);
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public override int GetHashCode() =>
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BackgroundColor?.GetHashCode() ?? 0;
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} |