private IccTagTableEntry[] WriteTagData(IccDataWriter writer, IccTagDataEntry[] entries)
{
// TODO: Investigate cost of Linq GroupBy
IEnumerable <IGrouping <IccTagDataEntry, IccTagDataEntry> > grouped = entries.GroupBy(t => t);
// (Header size) + (entry count) + (nr of entries) * (size of table entry)
writer.SetIndex(128 + 4 + (entries.Length * 12));
var table = new List <IccTagTableEntry>();
foreach (IGrouping <IccTagDataEntry, IccTagDataEntry> group in grouped)
{
writer.WriteTagDataEntry(group.Key, out IccTagTableEntry tableEntry);
foreach (IccTagDataEntry item in group)
{
table.Add(new IccTagTableEntry(item.TagSignature, tableEntry.Offset, tableEntry.DataSize));
}
}
return(table.ToArray());
}