private static extern bool GetColorProfileHeader(IntPtr phProfile, out PROFILEHEADER pHeader);
private ColorProfile(IntPtr handle)
{
var header = new PROFILEHEADER();
if (!GetColorProfileHeader(handle, ref header))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
Size = header.phSize;
CmmType = header.phCMMType;
Version = header.phVersion;
Class = header.phClass;
DataColorSpace = header.phDataColorSpace;
ConnectionSpace = header.phConnectionSpace;
Signature = header.phSignature;
Platform = header.phPlatform;
IsEmbeddedProfile = (header.phProfileFlags & FLAG_EMBEDDEDPROFILE) != 0;
IsDependentOnData = (header.phProfileFlags & FLAG_DEPENDENTONDATA) != 0;
Manufacturer = header.phManufacturer;
Model = header.phModel;
Attributes = header.phAttributes;
Creator = header.phCreator;
RenderingIntent = header.phRenderingIntent;
Illuminant = header.phIlluminant;
var size = 0;
if (!GetColorProfileFromHandle(handle, null, ref size))
{
var gle = Marshal.GetLastWin32Error();
if (gle != ERROR_INSUFFICIENT_BUFFER)
{
throw new Win32Exception(gle);
}
}
Profile = new byte[size];
if (!GetColorProfileFromHandle(handle, Profile, ref size))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
var localizedStrings = new Dictionary <string, List <string> >(StringComparer.OrdinalIgnoreCase);
GetCountColorProfileElements(handle, out var count);
for (var i = 0; i < count; i++)
{
if (GetColorProfileElementTag(handle, i + 1, out var tag))
{
size = 0;
GetColorProfileElement(handle, tag, 0, ref size, null, out _);
if (size > 0)
{
var bytes = new byte[size];
if (GetColorProfileElement(handle, tag, 0, ref size, bytes, out _))
{
int offset;
// https://www.color.org/specification/ICC.2-2019.pdf
var type = Get4BytesString(BitConverter.ToInt32(bytes, 0));
switch (type)
{
case "text":
offset = 8;
switch (tag)
{
case 0x63707274:
Copyright = getAscii(bytes.Length - 8);
break;
case 0x74617267:
RegisteredCharacterization = getAscii(bytes.Length - 8);
break;
//default:
// var s = getAscii(bytes.Length - 8);
// Console.WriteLine(tag.ToString("x8") + " => " + s);
// break;
}
break;
case "desc":
offset = 8;
var n = getInt32();
if (n > 0)
{
switch (tag)
{
case 0x64657363:
Description = getAscii(n);
break;
case 0x646d6e64:
ManufacturerDescription = getAscii(n);
break;
case 0x646d6464:
ModelDescription = getAscii(n);
break;
}
}
UnicodeLanguageCode = getInt32();
var m = getInt32();
if (m > 0)
{
switch (tag)
{
case 0x64657363:
Description = getUnicode(n);
break;
case 0x646d6464:
ModelDescription = getUnicode(n);
break;
}
}
break;
case "mluc": // multiLocalizedUnicodeType
offset = 8;
var records = getInt32();
_ = getInt32(); // record size
var languageCode = Get2BytesString(BitConverter.ToInt16(bytes, offset));
offset += 2;
var countryCode = Get2BytesString(BitConverter.ToInt16(bytes, offset));
var lcid = languageCode + "-" + countryCode;
offset += 2;
for (var ir = 0; ir < records; ir++)
{
var sl = getInt32();
var o = offset; // save
offset = getInt32();
var s = getBEUnicode(sl / 2);
offset = o; // restore
if (!localizedStrings.TryGetValue(lcid, out var list))
{
list = new List <string>();
localizedStrings.Add(lcid, list);
}
list.Add(s);
}
break;
}
int getInt32() => (bytes[offset++] << 24) | (bytes[offset++] << 16) | (bytes[offset++] << 8) | bytes[offset++];
string getAscii(int len)
{
var s = TrimTerminatingZeros(Encoding.ASCII.GetString(bytes, offset, len));
offset += len;
return(s);
}
string getBEUnicode(int len)
{
var s = TrimTerminatingZeros(Encoding.BigEndianUnicode.GetString(bytes, offset, len * 2));
offset += len;
return(s);
}
string getUnicode(int len)
{
var bom = BitConverter.ToInt16(bytes, offset);
if (bom == -2)
{
offset += 3;
len -= 2;
}
var s = TrimTerminatingZeros(Encoding.Unicode.GetString(bytes, offset, len * 2));
offset += len;
return(s);
}
}
}
}
}
LocalizedStrings = localizedStrings.ToDictionary(kv => kv.Key, kv => (IReadOnlyList <string>)kv.Value.AsReadOnly());
}