private static void TestRoundtripFile <T>(string message, params object[] args)
where T : IDicomCodec, new()
{
var filenameReference = string.Format("reference_{0}.dcm", typeof(T).Name);
var filenameCompressed = string.Format("compressed_{0}.dcm", typeof(T).Name);
var codec = new T();
// create an image
var original = DicomImageTestHelper.CreateDicomImage();
original.Save(filenameReference);
// compress the image
var compressed = new DicomFile();
compressed.Load(DicomReadOptions.Default | DicomReadOptions.StorePixelDataReferences, filenameReference);
compressed.ChangeTransferSyntax(codec.CodecTransferSyntax, codec, null);
compressed.Save(filenameCompressed);
// decompress the image
var decompressed = new DicomFile();
decompressed.Load(DicomReadOptions.Default | DicomReadOptions.StorePixelDataReferences, filenameCompressed);
decompressed.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian, codec, null);
// compare results
AssertEquals(original, decompressed, message, args);
}
private static void TestRoundtripMemoryToFile <T>(string message, params object[] args)
where T : IDicomCodec, new()
{
var filenameReference = string.Format("reference_{0}.dcm", typeof(T).Name);
var filenameDecompressed = string.Format("decompressed_{0}.dcm", typeof(T).Name);
var codec = new T();
// create an image
var instance = DicomImageTestHelper.CreateDicomImage();
instance.Save(filenameReference);
// compress the image
instance.ChangeTransferSyntax(codec.CodecTransferSyntax, codec, null);
// decompress the image
instance.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian, codec, null);
instance.Save(filenameDecompressed);
// compare results
var reference = new DicomFile();
reference.Load(DicomReadOptions.Default, filenameReference);
var actual = new DicomFile();
actual.Load(DicomReadOptions.Default, filenameDecompressed);
AssertEquals(reference, actual, message, args);
}
private static void TestRoundtripMemory <T1, T2>(string message, params object[] args)
where T1 : IDicomCodec, new()
where T2 : IDicomCodec, new()
{
const string filenameReference = "reference.dcm";
var codec1 = new T1();
var codec2 = new T2();
// create an image
var instance = DicomImageTestHelper.CreateDicomImage();
instance.Save(filenameReference);
// compress the image to 1
instance.ChangeTransferSyntax(codec1.CodecTransferSyntax, codec1, null);
// recompress the image to 2
instance.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian, codec1, null);
instance.ChangeTransferSyntax(codec2.CodecTransferSyntax, codec2, null);
// recompress the image to 1
instance.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian, codec2, null);
instance.ChangeTransferSyntax(codec1.CodecTransferSyntax, codec1, null);
// recompress the image to 2
instance.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian, codec1, null);
instance.ChangeTransferSyntax(codec2.CodecTransferSyntax, codec2, null);
// decompress the image
instance.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian, codec2, null);
// compare results
var reference = new DicomFile();
reference.Load(DicomReadOptions.Default, filenameReference);
AssertEquals(reference, instance, message, args);
}
