public unsafe uint SfntTableInfo(uint tableIndex, SfntTag tag)
{
uint length;
Error err = FT.FT_Sfnt_Table_Info(Reference, tableIndex, &tag, out length);
if (err != Error.Ok)
throw new FreeTypeException(err);
return length;
}
/// <summary>
/// Return a pointer to a given SFNT table within a face.
/// </summary>
/// <remarks><para>
/// The table is owned by the face object and disappears with it.
/// </para><para>
/// This function is only useful to access SFNT tables that are loaded by the sfnt, truetype, and opentype
/// drivers. See <see cref="SfntTag"/> for a list.
/// </para></remarks>
/// <param name="tag">The index of the SFNT table.</param>
/// <returns><para>
/// A type-less pointer to the table. This will be 0 in case of error, or if the corresponding table was not
/// found OR loaded from the file.
/// </para><para>
/// Use a typecast according to ‘tag’ to access the structure elements.
/// </para></returns>
public object GetSfntTable(SfntTag tag)
{
IntPtr tableRef = FT.FT_Get_Sfnt_Table(Reference, tag);
if (tableRef == IntPtr.Zero)
return null;
switch (tag)
{
case SfntTag.Header:
return new Header(tableRef);
case SfntTag.HorizontalHeader:
return new HoriHeader(tableRef);
case SfntTag.MaxProfile:
return new MaxProfile(tableRef);
case SfntTag.OS2:
return new OS2(tableRef);
case SfntTag.Pclt:
return new Pclt(tableRef);
case SfntTag.Postscript:
return new Postscript(tableRef);
case SfntTag.VertHeader:
return new VertHeader(tableRef);
default:
return null;
}
}
internal static unsafe extern Error FT_Sfnt_Table_Info(IntPtr face, uint table_index, SfntTag* tag, out uint length);
internal static extern IntPtr FT_Get_Sfnt_Table(IntPtr face, SfntTag tag);
internal static extern IntPtr FT_Get_Sfnt_Table(IntPtr face, SfntTag tag);
