private void WriteHeader(IccDataWriter writer, IccProfileHeader header)
{
writer.SetIndex(0);
writer.WriteUInt32(writer.Length);
writer.WriteAsciiString(header.CmmType, 4, false);
writer.WriteVersionNumber(header.Version);
writer.WriteUInt32((uint)header.Class);
writer.WriteUInt32((uint)header.DataColorSpace);
writer.WriteUInt32((uint)header.ProfileConnectionSpace);
writer.WriteDateTime(header.CreationDate);
writer.WriteAsciiString("acsp");
writer.WriteUInt32((uint)header.PrimaryPlatformSignature);
writer.WriteInt32((int)header.Flags);
writer.WriteUInt32(header.DeviceManufacturer);
writer.WriteUInt32(header.DeviceModel);
writer.WriteInt64((long)header.DeviceAttributes);
writer.WriteUInt32((uint)header.RenderingIntent);
writer.WriteXyzNumber(header.PcsIlluminant);
writer.WriteAsciiString(header.CreatorSignature, 4, false);
IccProfileId id = IccProfile.CalculateHash(writer.GetData());
writer.WriteProfileId(id);
}
private void WriteTagTable(IccDataWriter writer, IccTagTableEntry[] table)
{
// 128 = size of ICC header
writer.SetIndex(128);
writer.WriteUInt32((uint)table.Length);
foreach (IccTagTableEntry entry in table)
{
writer.WriteUInt32((uint)entry.Signature);
writer.WriteUInt32(entry.Offset);
writer.WriteUInt32(entry.DataSize);
}
}
private IccTagTableEntry[] WriteTagData(IccDataWriter writer, IccTagDataEntry[] entries)
{
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());
}
