ImageSharp/SixLabors.Fonts/Tables/AdvancedTypographic/LigatureGlyph.cs
2026-08-03 22:31:27 +02:00

37 lines
1.4 KiB
C#

// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.
using System.IO;
namespace SixLabors.Fonts.Tables.AdvancedTypographic {
/// <summary>
/// A LigatureGlyph table contains the number of carets and the offsets to their caret value tables
/// for a single ligature glyph.
/// <see href="https://learn.microsoft.com/en-us/typography/opentype/spec/gdef#ligature-glyph-table"/>
/// </summary>
internal sealed class LigatureGlyph
{
/// <summary>
/// Gets or sets the array of offsets to caret value tables for this ligature glyph.
/// </summary>
public ushort[]? CaretValueOffsets { get; internal set; }
/// <summary>
/// Loads the <see cref="LigatureGlyph"/> from the binary reader at the specified offset.
/// </summary>
/// <param name="reader">The big endian binary reader.</param>
/// <param name="offset">Offset from the beginning of the LigGlyph table.</param>
/// <returns>The <see cref="LigatureGlyph"/>.</returns>
public static LigatureGlyph Load(BigEndianBinaryReader reader, long offset)
{
reader.Seek(offset, SeekOrigin.Begin);
ushort caretCount = reader.ReadUInt16();
return new LigatureGlyph()
{
CaretValueOffsets = reader.ReadUInt16Array(caretCount)
};
}
}
}