public void DecodeFrame(int frame, DicomCompressedPixelData oldPixelData,
DicomUncompressedPixelData newPixelData, DicomCodecParameters parameters)
{
DicomRleCodecParameters rleParams = parameters as DicomRleCodecParameters ?? new DicomRleCodecParameters();
int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight;
int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel;
int segmentLength = (pixelCount & 1) == 1 ? pixelCount + 1 : pixelCount;
byte[] segment = new byte[segmentLength];
byte[] frameData = new byte[oldPixelData.UncompressedFrameSize];
IList <DicomFragment> rleData = oldPixelData.GetFrameFragments(frame);
RLEDecoder decoder = new RLEDecoder(rleData);
if (decoder.NumberOfSegments != numberOfSegments)
{
throw new DicomCodecException("Unexpected number of RLE segments!");
}
for (int s = 0; s < numberOfSegments; s++)
{
decoder.DecodeSegment(s, segment);
int sample = s / oldPixelData.BytesAllocated;
int sabyte = s % oldPixelData.BytesAllocated;
int pos;
int offset;
if (newPixelData.PlanarConfiguration == 0)
{
pos = sample * oldPixelData.BytesAllocated;
offset = oldPixelData.SamplesPerPixel * oldPixelData.BytesAllocated;
}
else
{
pos = sample * oldPixelData.BytesAllocated * pixelCount;
offset = oldPixelData.BytesAllocated;
}
if (rleParams.ReverseByteOrder)
{
pos += sabyte;
}
else
{
pos += oldPixelData.BytesAllocated - sabyte - 1;
}
for (int p = 0; p < pixelCount; p++)
{
frameData[pos] = segment[p];
pos += offset;
}
}
newPixelData.AppendFrame(frameData);
}
public void Decode(DcmDataset dataset, DcmPixelData oldPixelData, DcmPixelData newPixelData, DcmCodecParameters parameters)
{
DcmRleCodecParameters rleParams = parameters as DcmRleCodecParameters;
if (rleParams == null)
{
rleParams = GetDefaultParameters() as DcmRleCodecParameters;
}
int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight;
int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel;
byte[] frameData = new byte[newPixelData.UncompressedFrameSize];
for (int i = 0; i < oldPixelData.NumberOfFrames; i++)
{
IList <ByteBuffer> rleData = oldPixelData.GetFrameFragments(i);
RLEDecoder decoder = new RLEDecoder(rleData);
if (decoder.NumberOfSegments != numberOfSegments)
{
throw new DicomCodecException("Unexpected number of RLE segments!");
}
for (int s = 0; s < numberOfSegments; s++)
{
int sample = s / newPixelData.BytesAllocated;
int sabyte = s % newPixelData.BytesAllocated;
int pos, offset;
if (newPixelData.PlanarConfiguration == 0)
{
pos = sample * newPixelData.BytesAllocated;
offset = newPixelData.SamplesPerPixel * newPixelData.BytesAllocated;
}
else
{
pos = sample * newPixelData.BytesAllocated * pixelCount;
offset = newPixelData.BytesAllocated;
}
if (rleParams.ReverseByteOrder)
{
pos += sabyte;
}
else
{
pos += newPixelData.BytesAllocated - sabyte - 1;
}
decoder.DecodeSegment(s, frameData, pos, offset);
}
newPixelData.AddFrame(frameData);
}
}
public override void Decode(
DicomPixelData oldPixelData,
DicomPixelData newPixelData,
DicomCodecParams parameters)
{
for (var frame = 0; frame < oldPixelData.NumberOfFrames; frame++)
{
var rleData = oldPixelData.GetFrame(frame);
// Create new frame data of even length
var frameSize = newPixelData.UncompressedFrameSize;
if ((frameSize & 1) == 1)
{
++frameSize;
}
var frameData = new MemoryByteBuffer(new byte[frameSize]);
var pixelCount = oldPixelData.Width * oldPixelData.Height;
var numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel;
var decoder = new RLEDecoder(rleData);
if (decoder.NumberOfSegments != numberOfSegments)
{
throw new InvalidOperationException("Unexpected number of RLE segments!");
}
for (var s = 0; s < numberOfSegments; s++)
{
var sample = s / newPixelData.BytesAllocated;
var sabyte = s % newPixelData.BytesAllocated;
int pos, offset;
if (newPixelData.PlanarConfiguration == PlanarConfiguration.Interleaved)
{
pos = sample * newPixelData.BytesAllocated;
offset = newPixelData.SamplesPerPixel * newPixelData.BytesAllocated;
}
else
{
pos = sample * newPixelData.BytesAllocated * pixelCount;
offset = newPixelData.BytesAllocated;
}
pos += newPixelData.BytesAllocated - sabyte - 1;
decoder.DecodeSegment(s, frameData, pos, offset);
}
newPixelData.AddFrame(frameData);
}
}
public void Decode(DcmDataset dataset, DcmPixelData oldPixelData, DcmPixelData newPixelData, DcmCodecParameters parameters)
{
DcmRleCodecParameters rleParams = parameters as DcmRleCodecParameters;
if (rleParams == null)
rleParams = GetDefaultParameters() as DcmRleCodecParameters;
int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight;
int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel;
byte[] frameData = new byte[newPixelData.UncompressedFrameSize];
for (int i = 0; i < oldPixelData.NumberOfFrames; i++)
{
IList<ByteBuffer> rleData = oldPixelData.GetFrameFragments(i);
RLEDecoder decoder = new RLEDecoder(rleData);
if (decoder.NumberOfSegments != numberOfSegments)
throw new DicomCodecException("Unexpected number of RLE segments!");
for (int s = 0; s < numberOfSegments; s++)
{
int sample = s / newPixelData.BytesAllocated;
int sabyte = s % newPixelData.BytesAllocated;
int pos, offset;
if (newPixelData.PlanarConfiguration == 0)
{
pos = sample * newPixelData.BytesAllocated;
offset = newPixelData.SamplesPerPixel * newPixelData.BytesAllocated;
}
else
{
pos = sample * newPixelData.BytesAllocated * pixelCount;
offset = newPixelData.BytesAllocated;
}
if (rleParams.ReverseByteOrder)
pos += sabyte;
else
pos += newPixelData.BytesAllocated - sabyte - 1;
decoder.DecodeSegment(s, frameData, pos, offset);
}
newPixelData.AddFrame(frameData);
}
}
public void DecodeFrame(int frame, DicomCompressedPixelData oldPixelData,
DicomUncompressedPixelData newPixelData, DicomCodecParameters parameters)
{
DicomRleCodecParameters rleParams = parameters as DicomRleCodecParameters;
if (rleParams == null)
throw new DicomCodecException("Unexpected RLE Codec parameters");
int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight;
int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel;
int segmentLength = (pixelCount & 1) == 1 ? pixelCount + 1 : pixelCount;
byte[] segment = new byte[segmentLength];
byte[] frameData = new byte[oldPixelData.UncompressedFrameSize];
IList<DicomFragment> rleData = oldPixelData.GetFrameFragments(frame);
RLEDecoder decoder = new RLEDecoder(rleData);
if (decoder.NumberOfSegments != numberOfSegments)
throw new DicomCodecException("Unexpected number of RLE segments!");
for (int s = 0; s < numberOfSegments; s++)
{
decoder.DecodeSegment(s, segment);
int sample = s / oldPixelData.BytesAllocated;
int sabyte = s % oldPixelData.BytesAllocated;
int pos;
int offset;
if (newPixelData.PlanarConfiguration == 0)
{
pos = sample * oldPixelData.BytesAllocated;
offset = oldPixelData.SamplesPerPixel * oldPixelData.BytesAllocated;
}
else
{
pos = sample * oldPixelData.BytesAllocated * pixelCount;
offset = oldPixelData.BytesAllocated;
}
if (rleParams.ReverseByteOrder)
pos += sabyte;
else
pos += oldPixelData.BytesAllocated - sabyte - 1;
for (int p = 0; p < pixelCount; p++)
{
frameData[pos] = segment[p];
pos += offset;
}
}
newPixelData.AppendFrame(frameData);
}
public override void Decode(
DicomPixelData oldPixelData,
DicomPixelData newPixelData,
DicomCodecParams parameters)
{
for (var frame = 0; frame < oldPixelData.NumberOfFrames; frame++)
{
var rleData = oldPixelData.GetFrame(frame);
// Create new frame data of even length
var frameSize = newPixelData.UncompressedFrameSize;
if ((frameSize & 1) == 1)
{
++frameSize;
}
var frameData = new MemoryByteBuffer(new byte[frameSize]);
var pixelCount = oldPixelData.Width * oldPixelData.Height;
var numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel;
var decoder = new RLEDecoder(rleData);
if (decoder.NumberOfSegments != numberOfSegments)
{
throw new InvalidOperationException("Unexpected number of RLE segments!");
}
for (var s = 0; s < numberOfSegments; s++)
{
var sample = s / newPixelData.BytesAllocated;
var sabyte = s % newPixelData.BytesAllocated;
int pos, offset;
if (newPixelData.PlanarConfiguration == PlanarConfiguration.Interleaved)
{
pos = sample * newPixelData.BytesAllocated;
offset = newPixelData.SamplesPerPixel * newPixelData.BytesAllocated;
}
else
{
pos = sample * newPixelData.BytesAllocated * pixelCount;
offset = newPixelData.BytesAllocated;
}
pos += newPixelData.BytesAllocated - sabyte - 1;
decoder.DecodeSegment(s, frameData, pos, offset);
}
newPixelData.AddFrame(frameData);
}
}