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);
#if !NETSTANDARD1_1
IccProfileId id = IccProfile.CalculateHash(writer.GetData());
writer.WriteProfileId(id);
#else
writer.WriteProfileId(IccProfileId.Zero);
#endif
}
/// <summary>
/// Initializes a new instance of the <see cref="IccProfile"/> class.
/// </summary>
/// <param name="header">The profile header</param>
/// <param name="entries">The actual profile data</param>
internal IccProfile(IccProfileHeader header, IEnumerable <IccTagDataEntry> entries)
{
Guard.NotNull(header, nameof(header));
Guard.NotNull(entries, nameof(entries));
this.header = header;
this.entries = new List <IccTagDataEntry>(entries);
}
/// <summary>
/// Reads an ICC profile
/// </summary>
/// <param name="data">The raw ICC data</param>
/// <returns>The read ICC profile</returns>
public IccProfile Read(byte[] data)
{
Guard.NotNull(data, nameof(data));
Guard.IsTrue(data.Length >= 128, nameof(data), "Data length must be at least 128 to be a valid ICC profile");
var reader = new IccDataReader(data);
IccProfileHeader header = this.ReadHeader(reader);
IccTagDataEntry[] tagData = this.ReadTagData(reader);
return(new IccProfile(header, tagData));
}