/// <summary>
/// Constructs a fake image of dimensions {w,h} with the given 2 byte per pixel data. Encodes and decodes
/// that data using the given Transfer Syntax on a fake 16 bit CT image and checks the data has not changed.
/// </summary>
/// <param name="w">The w.</param>
/// <param name="h">The h.</param>
/// <param name="data">The data.</param>
/// <param name="syntax">The syntax.</param>
private void CheckData(int w, int h, byte[] data, DicomTransferSyntax syntax)
{
var memoryBB = new MemoryByteBuffer(data);
var ds = new DicomDataset();
ds.AddOrUpdatePixelData(DicomVR.OW, memoryBB, DicomTransferSyntax.ExplicitVRLittleEndian);
ds.AddOrUpdate(DicomVR.IS, DicomTag.Rows, h);
ds.AddOrUpdate(DicomVR.IS, DicomTag.Columns, w);
ds.AddOrUpdate(DicomVR.IS, DicomTag.BitsAllocated, 16);
ds.AddOrUpdate(DicomVR.IS, DicomTag.BitsStored, 16);
ds.AddOrUpdate(DicomVR.IS, DicomTag.HighBit, 15);
ds.AddOrUpdate(DicomVR.IS, DicomTag.PixelRepresentation, 1);
ds.AddOrUpdate(DicomVR.CS, DicomTag.PhotometricInterpretation, "MONOCHROME2");
ds.AddOrUpdate(DicomVR.IS, DicomTag.SamplesPerPixel, 1);
var ds2 = ds.Clone(syntax);
var dsOrig = ds2.Clone(DicomTransferSyntax.ExplicitVRLittleEndian);
var origPixData = DicomPixelData.Create(ds);
var origPixData2 = DicomPixelData.Create(dsOrig);
var byteBuffer = origPixData.GetFrame(0);
var byteBuffer2 = origPixData2.GetFrame(0);
var bytes1 = byteBuffer.Data;
var bytes2 = byteBuffer2.Data;
var pixelCount = origPixData.Width * origPixData.Height;
var pixelCount2 = origPixData2.Width * origPixData2.Height;
Assert.Equal(pixelCount, pixelCount2);
for (var i = 0; i < pixelCount * 2; i++)
{
Assert.Equal(bytes1[i], bytes2[i]);
}
}
