29 lines
1.4 KiB
C#
29 lines
1.4 KiB
C#
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namespace QWERTYkez.ExcelProcessor.Editors;
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/// <summary>
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/// Предоставляет типобезопасное представление высоты строки в Excel с поддержкой различных единиц измерения.
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/// </summary>
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public readonly struct RowHeight(double points)
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{
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private const double POINTS_PER_INCH = 72.0;
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private const double INCH_PER_CM = 1.0 / 2.54;
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private const double POINTS_PER_CM = POINTS_PER_INCH * INCH_PER_CM; // ≈ 28.3464566929
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private const double POINTS_PER_MM = POINTS_PER_CM / 10.0; // ≈ 2.83464566929
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private const double DXA_PER_POINT = 20.0; // 1 point = 20 dxa
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private const double POINTS_PER_DXA = 1.0 / DXA_PER_POINT;
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/// <summary>Высота в пунктах (points).</summary>
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public double Points { get; } = points;
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public static RowHeight FromPoints(double points) => new(points);
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public static RowHeight FromInch(double inch) => new(inch * POINTS_PER_INCH);
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public static RowHeight FromDXA(double dxa) => new(dxa * POINTS_PER_DXA);
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public static RowHeight FromCM(double cm) => new(cm * POINTS_PER_CM);
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public static RowHeight FromMM(double mm) => new(mm * POINTS_PER_MM);
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public double Inch => Points / POINTS_PER_INCH;
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public double DXA => Points / POINTS_PER_DXA;
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public double CM => Points / POINTS_PER_CM;
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public double MM => Points / POINTS_PER_MM;
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}
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