public void PluginTagTest()
{
// Arrange
const TagSignature SignaturelNET = (TagSignature)0x6C4E4554; // 'lNET'
PluginTag tag = new PluginTag
{
Base = new PluginBase
{
Magic = Cms.PluginMagicNumber,
ExpectedVersion = (uint)Cms.EncodedCMMVersion, // >= 2.8
Type = PluginType.Tag,
Next = IntPtr.Zero
},
Signature = SignaturelNET,
Descriptor = new TagDescriptor
{
ElemCount = 1,
nSupportedTypes = 1,
SupportedTypes = new TagTypeSignature[TagDescriptor.MAX_TYPES_IN_LCMS_PLUGIN],
Decider = IntPtr.Zero
}
};
tag.Descriptor.SupportedTypes[0] = TagTypeSignature.Text;
string expected = "PluginTagTest";
// Act
int rawsize = Marshal.SizeOf(tag);
IntPtr plugin = Marshal.AllocHGlobal(rawsize);
Marshal.StructureToPtr(tag, plugin, false);
try
{
using (var context = Context.Create(plugin, IntPtr.Zero))
using (var profile = Profile.CreatePlaceholder(context))
{
using (var mlu = MultiLocalizedUnicode.Create(context))
{
mlu.SetASCII(MultiLocalizedUnicode.NoLanguage, MultiLocalizedUnicode.NoCountry, expected);
bool written = profile.WriteTag(SignaturelNET, mlu);
Assert.IsTrue(written);
}
using (var mlu = profile.ReadTag <MultiLocalizedUnicode>(SignaturelNET))
{
var actual = mlu.GetASCII(MultiLocalizedUnicode.NoLanguage, MultiLocalizedUnicode.NoCountry);
// Assert
Assert.AreEqual(expected, actual);
}
}
}
finally
{
Marshal.DestroyStructure(plugin, typeof(PluginTag));
Marshal.FreeHGlobal(plugin);
}
}
private double[] Device_Multiprocess_PCS()
{
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric)
{
sig = TagSignature.DToB1Tag;
}
else if (PreferredRenderingIntent == RenderingIntent.Saturation)
{
sig = TagSignature.DToB2Tag;
}
else if (PreferredRenderingIntent == RenderingIntent.AbsoluteColorimetric)
{
sig = TagSignature.DToB3Tag;
}
else
{
sig = TagSignature.DToB0Tag;
}
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null)
{
TagEntry1 = Profile.GetEntry(TagSignature.DToB0Tag);
}
AdjustColor();
return(((multiProcessElementsTagDataEntry)TagEntry1).GetValue(ic));
}
internal TagTableEntry(TagSignature Signature, uint Offset, uint DataSize, int Index)
{
this.Signature = Signature;
this.Offset = Offset;
this.DataSize = DataSize;
this.Index = Index;
}
/// <summary>
/// Get the first entry with the specific signature. Returns null if none is found
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The data of the named entry</returns>
public TagDataEntry GetFirstEntry(TagSignature TagName)
{
TagTableEntry[] Entries = TagTable.Data.Where(t => t.Signature == TagName).ToArray();
if (Entries.Length != 0)
{
return(TagData[Entries[0].Index]);
}
else
{
return(null);
}
}
private TagDataEntry[] GetTagDataEntry(TagSignature sig1)
{
TagDataEntry entry = GetTag(sig1);
if (entry != null)
{
return new TagDataEntry[] { entry }
}
;
else
{
return(null);
}
}
private double[] PCS_LUT_Device()
{
AdjustColor();
if (ic.Length != 3)
{
throw new ArgumentException("Input color has wrong number of channels");
}
if (InModel != ColorModel.CIEXYZ && InModel != ColorModel.CIELab)
{
throw new ArgumentException("Profile connection space has to be either XYZ or Lab");
}
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric)
{
sig = TagSignature.BToA1Tag;
}
else if (PreferredRenderingIntent == RenderingIntent.Saturation)
{
sig = TagSignature.BToA2Tag;
}
else
{
sig = TagSignature.BToA0Tag;
}
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null)
{
TagEntry1 = Profile.GetEntry(TagSignature.BToA0Tag);
}
if (TagEntry1.Signature == TypeSignature.lut8)
{
output = ((lut8TagDataEntry)TagEntry1).GetValue(ic);
}
else if (TagEntry1.Signature == TypeSignature.lut16)
{
output = ((lut16TagDataEntry)TagEntry1).GetValue(ic);
}
else if (TagEntry1.Signature == TypeSignature.lutBToA)
{
output = ((lutBToATagDataEntry)TagEntry1).GetValue(ic);
}
else
{
throw new CorruptProfileException("BToATag has wrong type");
}
return(output);
}
private static bool VerifyStream(Stream dataStream, TagSignature signature, RSAParameters parameters)
{
try {
if (signature.Required().Algorithm != Algorithm.RSA)
{
throw new InvalidDataException($"Signature uses different algorithm {signature.Algorithm} from this RSA key!");
}
if (parameters.Exponent == null || parameters.Modulus == null)
{
throw new InvalidDataException($"This RSA key is not properly configured to be able to verify a signature!");
}
using var RSAalg = OpenProvider(parameters);
return(RSAalg.VerifyData(dataStream, signature.Data, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
} catch (CryptographicException e) {
throw new InterlockLedgerCryptographicException("Failed to verify data with current parameters and signature", e);
}
}
/// <summary>
/// Get the all entries with the specific signature
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The array of data of the named entry</returns>
public TagDataEntry[] GetAllEntries(TagSignature TagName)
{
TagTableEntry[] Entries = TagTable.Data.Where(t => t.Signature == TagName).ToArray();
if (Entries.Length != 0)
{
TagDataEntry[] output = new TagDataEntry[Entries.Length];
for (int i = 0; i < Entries.Length; i++)
{
output[i] = TagData[Entries[i].Index];
}
return(output);
}
else
{
return(null);
}
}
private void SetTagTableUI()
{
TagTableListBox.Items.Clear();
foreach (var tag in Profile.Data)
{
TagSignature sig = tag.TagSignature;
bool defined = Enum.IsDefined(typeof(TagSignature), sig);
string label = sig.ToString();
if (!defined)
{
byte[] data = BitConverter.GetBytes((uint)sig);
string ascii = Encoding.ASCII.GetString(data);
label += $" ({ascii})";
}
TagTableListBox.Items.Add(label);
}
}
private static bool VerifyStream(Stream dataStream, TagSignature signature, ECParameters parameters)
{
try {
if (signature.Required().Algorithm != Algorithm.EcDSA)
{
throw new InvalidDataException($"Signature uses different algorithm {signature.Algorithm} from this ECDsa key!");
}
if (parameters.D == null)
{
throw new InvalidDataException($"This ECDsa key is not properly configured to be able to verify a signature!");
}
using var algo = OpenWith(parameters);
return(algo.VerifyData(dataStream, signature.Data, ECDsaParameters.ChooseHashAlgo(parameters.Curve).ToName()));
} catch (CryptographicException e) {
throw new InterlockLedgerCryptographicException("Failed to verify data with current parameters and signature", e);
}
}
public void CreateECKeySerializeDeserializeSignAndVerify(KeyStrength keyStrength)
{
var parameters = ECDsaHelper.CreateNewECDsaParameters(keyStrength);
var key = new TagPubECKey(parameters);
var bytes = key.EncodedBytes;
TestContext.WriteLine(bytes.AsLiteral());
using var ms = new MemoryStream(bytes);
var tag = ms.Decode <TagPubKey>();
Assert.NotNull(tag);
Assert.AreEqual(key, tag);
CollectionAssert.AreEqual(bytes, tag.EncodedBytes);
var signatureBytes = ECDsaHelper.HashAndSign(bytes, parameters.Parameters, parameters.HashAlgorithm.ToName());
var signature = new TagSignature(Algorithm.EcDSA, signatureBytes);
Assert.IsTrue(key.Verify(bytes, signature), "Signature failed!");
}
/// <summary>
/// Creates a new instance of the <see cref="ProfileDescription"/> struct
/// </summary>
/// <param name="DeviceManufacturer">Device Manufacturer</param>
/// <param name="DeviceModel">Device Model</param>
/// <param name="DeviceAttributes">Device Attributes</param>
/// <param name="TechnologyInformation">Technology Information</param>
/// <param name="DeviceManufacturerInfo">Device Manufacturer Info</param>
/// <param name="DeviceModelInfo">Device Model Info</param>
public ProfileDescription(uint DeviceManufacturer, uint DeviceModel, DeviceAttribute DeviceAttributes,
TagSignature TechnologyInformation, LocalizedString[] DeviceManufacturerInfo, LocalizedString[] DeviceModelInfo)
{
if (DeviceManufacturerInfo == null)
{
throw new ArgumentNullException(nameof(DeviceManufacturerInfo));
}
if (DeviceModelInfo == null)
{
throw new ArgumentNullException(nameof(DeviceModelInfo));
}
this.DeviceManufacturer = DeviceManufacturer;
this.DeviceModel = DeviceModel;
this.DeviceAttributes = DeviceAttributes;
this.TechnologyInformation = TechnologyInformation;
this.DeviceManufacturerInfo = DeviceManufacturerInfo;
this.DeviceModelInfo = DeviceModelInfo;
}
private double[] Device_LUT_PCS()
{
AdjustColor();
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric)
{
sig = TagSignature.AToB1Tag;
}
else if (PreferredRenderingIntent == RenderingIntent.Saturation)
{
sig = TagSignature.AToB2Tag;
}
else
{
sig = TagSignature.AToB0Tag;
}
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null)
{
TagEntry1 = Profile.GetEntry(TagSignature.AToB0Tag);
}
if (TagEntry1.Signature == TypeSignature.lut8)
{
output = ((lut8TagDataEntry)TagEntry1).GetValue(ic);
}
else if (TagEntry1.Signature == TypeSignature.lut16)
{
output = ((lut16TagDataEntry)TagEntry1).GetValue(ic);
}
else if (TagEntry1.Signature == TypeSignature.lutAToB)
{
output = ((lutAToBTagDataEntry)TagEntry1).GetValue(ic);
}
else
{
throw new CorruptProfileException("AToBTag has wrong type");
}
return(output);
}
private double[] PCS_Multiprocess_Device()
{
AdjustColor();
if (ic.Length != 3)
{
throw new ArgumentException("Input color has wrong number of channels");
}
if (InModel != ColorModel.CIEXYZ && InModel != ColorModel.CIELab)
{
throw new ArgumentException("Profile connection space has to be either XYZ or Lab");
}
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric)
{
sig = TagSignature.BToD1Tag;
}
else if (PreferredRenderingIntent == RenderingIntent.Saturation)
{
sig = TagSignature.BToD2Tag;
}
else if (PreferredRenderingIntent == RenderingIntent.AbsoluteColorimetric)
{
sig = TagSignature.BToD3Tag;
}
else
{
sig = TagSignature.BToD0Tag;
}
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null)
{
TagEntry1 = Profile.GetEntry(TagSignature.BToD0Tag);
}
return(((multiProcessElementsTagDataEntry)TagEntry1).GetValue(ic));
}
/// <summary>
/// Get the all entries with the specific signature
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The array of data of the named entry</returns>
internal TagDataEntry[] GetAllEntries(TagSignature TagName)
{
return profile.GetAllEntries(TagName);
}
/// <summary>
/// Gets the <see cref="TagDataEntry"/> of given tag signature
/// </summary>
/// <param name="sig">the tag signature of the wanted <see cref="TagDataEntry"/></param>
/// <returns>The <see cref="TagDataEntry"/> or null if not found</returns>
public TagDataEntry GetTag(TagSignature sig)
{
return(Data.FirstOrDefault(t => t.TagSignature == sig));
}
/// <summary>
/// Get the first entry with the specific signature. Returns null if none is found
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The data of the named entry</returns>
internal TagDataEntry GetEntry(TagSignature TagName)
{
return(profile.GetFirstEntry(TagName));
}
public IdentifiedSignature(TagSignature signature, BaseKeyId id, TagPubKey publicKey) : this()
{
Signature = signature.Required();
SignerId = id.Required();
PublicKey = publicKey.Required();
}
/// <summary>
/// Checks if this profile contains a specific tag
/// </summary>
/// <param name="sig">The tag signature to look for</param>
/// <returns>True if the tag is contained, false otherwise</returns>
public bool HasTag(TagSignature sig)
{
return(Data.Any(t => t.TagSignature == sig));
}
private double[] PCS_LUT_Device()
{
AdjustColor();
if (ic.Length != 3) { throw new ArgumentException("Input color has wrong number of channels"); }
if (InModel != ColorModel.CIEXYZ && InModel != ColorModel.CIELab) { throw new ArgumentException("Profile connection space has to be either XYZ or Lab"); }
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric) { sig = TagSignature.BToA1Tag; }
else if (PreferredRenderingIntent == RenderingIntent.Saturation) { sig = TagSignature.BToA2Tag; }
else { sig = TagSignature.BToA0Tag; }
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null) { TagEntry1 = Profile.GetEntry(TagSignature.BToA0Tag); }
if (TagEntry1.Signature == TypeSignature.lut8) { output = ((lut8TagDataEntry)TagEntry1).GetValue(ic); }
else if (TagEntry1.Signature == TypeSignature.lut16) { output = ((lut16TagDataEntry)TagEntry1).GetValue(ic); }
else if (TagEntry1.Signature == TypeSignature.lutBToA) { output = ((lutBToATagDataEntry)TagEntry1).GetValue(ic); }
else { throw new CorruptProfileException("BToATag has wrong type"); }
return output;
}
/// <summary>
/// Get the all entries with the specific signature
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The array of data of the named entry</returns>
internal TagDataEntry[] GetAllEntries(TagSignature TagName)
{
return(profile.GetAllEntries(TagName));
}
/// <summary>
/// Get the first entry with the specific signature. Returns null if none is found
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The data of the named entry</returns>
internal TagDataEntry GetEntry(TagSignature TagName)
{
return profile.GetFirstEntry(TagName);
}
internal TagTableEntry(TagSignature Signature, uint Offset, uint DataSize, int Index)
{
this.Signature = Signature;
this.Offset = Offset;
this.DataSize = DataSize;
this.Index = Index;
}
public virtual bool Verify(byte[] data, TagSignature signature) => false;
public virtual bool Verify <T>(T data, TagSignature signature) where T : Signable <T>, new() => false;
public void PluginTagTypeTest()
{
// Arrange
const TagSignature SigInt = (TagSignature)0x74747448; // 'tttH'
const TagTypeSignature SigIntType = (TagTypeSignature)0x74747448; // 'tttH'
PluginTag tag = new PluginTag
{
Base = new PluginBase
{
Magic = Cms.PluginMagicNumber,
ExpectedVersion = (uint)Cms.EncodedCMMVersion, // >= 2.8
Type = PluginType.Tag,
Next = IntPtr.Zero
},
Signature = SigInt,
Descriptor = new TagDescriptor
{
ElemCount = 1,
nSupportedTypes = 1,
SupportedTypes = new TagTypeSignature[TagDescriptor.MAX_TYPES_IN_LCMS_PLUGIN],
Decider = IntPtr.Zero
}
};
tag.Descriptor.SupportedTypes[0] = SigIntType;
int rawsize = Marshal.SizeOf(tag);
IntPtr tagPlugin = Marshal.AllocHGlobal(rawsize);
Marshal.StructureToPtr(tag, tagPlugin, false);
// ensure delegates are not garbage collected from managed code
var read = new TagTypeRead(Read);
var write = new TagTypeWrite(Write);
var duplicate = new TagTypeDuplicate(Duplicate);
var free = new TagTypeFree(Free);
PluginTagType tagType = new PluginTagType
{
Base = new PluginBase
{
Magic = Cms.PluginMagicNumber,
ExpectedVersion = (uint)Cms.EncodedCMMVersion, // >= 2.8
Type = PluginType.TagType,
Next = tagPlugin
},
Handler = new TagTypeHandler
{
Signature = SigIntType,
Read = Marshal.GetFunctionPointerForDelegate(read),
Write = Marshal.GetFunctionPointerForDelegate(write),
Duplicate = Marshal.GetFunctionPointerForDelegate(duplicate),
Free = Marshal.GetFunctionPointerForDelegate(free)
}
};
rawsize = Marshal.SizeOf(tagType);
IntPtr tagTypePlugin = Marshal.AllocHGlobal(rawsize);
Marshal.StructureToPtr(tagType, tagTypePlugin, false);
// Act
try
{
using (var context = Context.Create(tagTypePlugin, IntPtr.Zero))
using (var profile = Profile.CreatePlaceholder(context))
{
var errorHandler = new ErrorHandler(HandleError);
context.SetErrorHandler(errorHandler);
uint expected = 1234;
bool written = profile.WriteTag(SigInt, expected);
Assert.IsTrue(written);
profile.Save(null, out uint bytesNeeded);
Assert.AreNotEqual(0, bytesNeeded);
byte[] profileMemory = new byte[bytesNeeded];
bool saved = profile.Save(profileMemory, out uint bytesWritten);
Assert.IsTrue(saved);
// close original profile to flush caches
profile.Close();
// re-open profile from memory
using (var profile2 = Profile.Open(context, profileMemory))
{
IntPtr data = profile2.ReadTag(SigInt);
uint[] u = new uint[1];
Marshal.Copy(data, (int[])(object)u, 0, 1);
uint actual = u[0];
// Assert
Assert.AreEqual(expected, actual);
}
}
}
finally
{
Marshal.DestroyStructure(tagPlugin, typeof(PluginTag));
Marshal.FreeHGlobal(tagPlugin);
Marshal.DestroyStructure(tagTypePlugin, typeof(PluginTagType));
Marshal.FreeHGlobal(tagTypePlugin);
}
// allocates unmanaged memory for a single 'uint' and reads from i/o handler into it
IntPtr Read(in TagTypeHandler self, IntPtr io, out uint nItems, uint tagSize)
{
TestContext.WriteLine($"Read(self: {self}, io: 0x{io:X}, out nItems, tagSize: {tagSize})");
using (var context = Context.FromHandle(self.ContextID))
using (var iohandler = IOHandler.FromHandle(io))
{
nItems = 1;
IntPtr ptr = Memory.Malloc(context, sizeof(uint));
if (ptr == IntPtr.Zero)
{
return(IntPtr.Zero);
}
// unsafe, but faster...
unsafe
{
if (!iohandler.Read(ref *(uint *)ptr))
{
return(IntPtr.Zero);
}
}
// - or -
// verifiable, but slower...
//uint[] arr = new uint[1];
//if (!iohandler.Read(ref arr[0])) return IntPtr.Zero;
//Marshal.Copy((int[])(object)arr, 0, ptr, 1);
return(ptr);
}
}
// uses the i/o handler to write a single 'uint' read from unmanaged memory 'ptr'
int Write(in TagTypeHandler self, IntPtr io, IntPtr ptr, uint nItems)
{
TestContext.WriteLine($"Write(self: {self}, io: 0x{io:X}, ptr: 0x{ptr:X}, nItems: {nItems})");
using (var iohandler = IOHandler.FromHandle(io))
{
// unsafe, but faster...
unsafe
{
return(iohandler.Write(*(uint *)ptr) ? 1 : 0);
}
// - or -
// verifiable, but slower...
//uint[] arr = new uint[1];
//Marshal.Copy(ptr, (int[])(object)arr, 0, 1);
//return iohandler.Write(arr[0]) ? 1 : 0;
}
}
// duplicates the unmanaged memory 'ptr' into a new block of size 'n x sizeof(uint)'
IntPtr Duplicate(in TagTypeHandler self, IntPtr ptr, uint n)
{
TestContext.WriteLine($"Duplicate(self: {self}, ptr: 0x{ptr:X}, n: {n})");
using (var context = Context.FromHandle(self.ContextID))
{
return(Memory.Duplicate(context, ptr, n * sizeof(uint)));
}
}
// frees the unmanaged memory 'ptr'
void Free(in TagTypeHandler self, IntPtr ptr)
{
TestContext.WriteLine($"Free(self: {self}, ptr: 0x{ptr:X})");
using (var context = Context.FromHandle(self.ContextID))
{
Memory.Free(context, ptr);
}
}
void HandleError(IntPtr contextID, int errorCode, string errorText)
{
TestContext.WriteLine($"Error!!! contextID: {contextID}, errorCode: {errorCode}, errorText: '{errorText}'");
}
}
/// <summary>
/// Get the first entry with the specific signature. Returns null if none is found
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The data of the named entry</returns>
public TagDataEntry GetFirstEntry(TagSignature TagName)
{
TagTableEntry[] Entries = TagTable.Data.Where(t => t.Signature == TagName).ToArray();
if (Entries.Length != 0) { return TagData[Entries[0].Index]; }
else { return null; }
}
/// <summary>
/// Creates a new instance of the <see cref="TagTableEntry"/> struct
/// </summary>
/// <param name="Signature">Signature of the tag</param>
/// <param name="Offset">Offset of entry in bytes</param>
/// <param name="DataSize">Size of entry in bytes</param>
public TagTableEntry(TagSignature Signature, uint Offset, uint DataSize)
{
this.Signature = Signature;
this.Offset = Offset;
this.DataSize = DataSize;
}
private double[] Device_LUT_PCS()
{
AdjustColor();
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric) { sig = TagSignature.AToB1Tag; }
else if (PreferredRenderingIntent == RenderingIntent.Saturation) { sig = TagSignature.AToB2Tag; }
else { sig = TagSignature.AToB0Tag; }
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null) { TagEntry1 = Profile.GetEntry(TagSignature.AToB0Tag); }
if (TagEntry1.Signature == TypeSignature.lut8) { output = ((lut8TagDataEntry)TagEntry1).GetValue(ic); }
else if (TagEntry1.Signature == TypeSignature.lut16) { output = ((lut16TagDataEntry)TagEntry1).GetValue(ic); }
else if (TagEntry1.Signature == TypeSignature.lutAToB) { output = ((lutAToBTagDataEntry)TagEntry1).GetValue(ic); }
else { throw new CorruptProfileException("AToBTag has wrong type"); }
return output;
}
private double[] PCS_Multiprocess_Device()
{
AdjustColor();
if (ic.Length != 3) { throw new ArgumentException("Input color has wrong number of channels"); }
if (InModel != ColorModel.CIEXYZ && InModel != ColorModel.CIELab) { throw new ArgumentException("Profile connection space has to be either XYZ or Lab"); }
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric) { sig = TagSignature.BToD1Tag; }
else if (PreferredRenderingIntent == RenderingIntent.Saturation) { sig = TagSignature.BToD2Tag; }
else if (PreferredRenderingIntent == RenderingIntent.AbsoluteColorimetric) { sig = TagSignature.BToD3Tag; }
else { sig = TagSignature.BToD0Tag; }
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null) { TagEntry1 = Profile.GetEntry(TagSignature.BToD0Tag); }
return ((multiProcessElementsTagDataEntry)TagEntry1).GetValue(ic);
}
public override bool Verify(byte[] data, TagSignature signature) => RSAHelper.Verify(data, signature, Parameters);
public static bool Verify <T>(T dataToVerify, TagSignature signature, RSAParameters parameters) where T : Signable <T>, new()
{
using var dataStream = dataToVerify.Required().OpenReadingStreamAsync().Result;
return(VerifyStream(dataStream, signature, parameters));
}
public static bool Verify(byte[] dataToVerify, TagSignature signature, RSAParameters parameters)
{
using var dataStream = new MemoryStream(dataToVerify, writable: false);
return(VerifyStream(dataStream, signature, parameters));
}
private double[] Device_Multiprocess_PCS()
{
if (PreferredRenderingIntent == RenderingIntent.RelativeColorimetric) { sig = TagSignature.DToB1Tag; }
else if (PreferredRenderingIntent == RenderingIntent.Saturation) { sig = TagSignature.DToB2Tag; }
else if (PreferredRenderingIntent == RenderingIntent.AbsoluteColorimetric) { sig = TagSignature.DToB3Tag; }
else { sig = TagSignature.DToB0Tag; }
TagEntry1 = Profile.GetEntry(sig);
if (TagEntry1 == null) { TagEntry1 = Profile.GetEntry(TagSignature.DToB0Tag); }
AdjustColor();
return ((multiProcessElementsTagDataEntry)TagEntry1).GetValue(ic);
}
/// <summary>
/// Get the all entries with the specific signature
/// </summary>
/// <param name="TagName">The signature of the entry</param>
/// <returns>The array of data of the named entry</returns>
public TagDataEntry[] GetAllEntries(TagSignature TagName)
{
TagTableEntry[] Entries = TagTable.Data.Where(t => t.Signature == TagName).ToArray();
if (Entries.Length != 0)
{
TagDataEntry[] output = new TagDataEntry[Entries.Length];
for (int i = 0; i < Entries.Length; i++ ) { output[i] = TagData[Entries[i].Index]; }
return output;
}
else { return null; }
}
public void PluginTagWithDeciderTest()
{
// Arrange
const TagSignature SignaturelNET = (TagSignature)0x6C4E4554; // 'lNET'
// ensure delegates are not garbage collected from managed code
var decide = new DecideType(Decide);
PluginTag tag = new PluginTag
{
Base = new PluginBase
{
Magic = Cms.PluginMagicNumber,
ExpectedVersion = (uint)Cms.EncodedCMMVersion, // >= 2.8
Type = PluginType.Tag,
Next = IntPtr.Zero
},
Signature = SignaturelNET,
Descriptor = new TagDescriptor
{
ElemCount = 1,
nSupportedTypes = 1,
SupportedTypes = new TagTypeSignature[TagDescriptor.MAX_TYPES_IN_LCMS_PLUGIN],
Decider = Marshal.GetFunctionPointerForDelegate(decide)
}
};
tag.Descriptor.SupportedTypes[0] = TagTypeSignature.Text;
string expected = "PluginTagWithDeciderTest";
// Act
int rawsize = Marshal.SizeOf(tag);
IntPtr plugin = Marshal.AllocHGlobal(rawsize);
Marshal.StructureToPtr(tag, plugin, false);
try
{
using (var context = Context.Create(plugin, IntPtr.Zero))
using (var profile = Profile.CreatePlaceholder(context))
{
using (var mlu = MultiLocalizedUnicode.Create(context))
{
mlu.SetASCII(MultiLocalizedUnicode.NoLanguage, MultiLocalizedUnicode.NoCountry, expected);
bool written = profile.WriteTag(SignaturelNET, mlu);
Assert.IsTrue(written);
}
using (var mlu = profile.ReadTag <MultiLocalizedUnicode>(SignaturelNET))
{
var actual = mlu.GetASCII(MultiLocalizedUnicode.NoLanguage, MultiLocalizedUnicode.NoCountry);
// Assert
Assert.AreEqual(expected, actual);
}
}
}
finally
{
Marshal.DestroyStructure(plugin, typeof(PluginTag));
Marshal.FreeHGlobal(plugin);
}
TagTypeSignature Decide(double iccVersion, IntPtr data)
{
TestContext.WriteLine($"iccVersion: {iccVersion}, data: 0x{data:X}");
using (var mlu = MultiLocalizedUnicode.FromHandle(data))
{
var text = mlu.GetASCII(MultiLocalizedUnicode.NoLanguage, MultiLocalizedUnicode.NoCountry);
TestContext.WriteLine($"text: {text}");
}
return(TagTypeSignature.Text);
}
}
