public override void Encode( DicomPixelData oldPixelData, DicomPixelData newPixelData, DicomCodecParams parameters) { var pixelCount = oldPixelData.Width * oldPixelData.Height; var numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel; for (var frame = 0; frame < oldPixelData.NumberOfFrames; frame++) { var frameData = oldPixelData.GetFrame(frame); var frameArray = frameData.Data; using (var encoder = new RLEEncoder()) { for (var s = 0; s < numberOfSegments; s++) { encoder.NextSegment(); var sample = s / oldPixelData.BytesAllocated; var sabyte = s % oldPixelData.BytesAllocated; int pos; int offset; if (newPixelData.PlanarConfiguration == PlanarConfiguration.Interleaved) { pos = sample * oldPixelData.BytesAllocated; offset = numberOfSegments; } else { pos = sample * oldPixelData.BytesAllocated * pixelCount; offset = oldPixelData.BytesAllocated; } pos += oldPixelData.BytesAllocated - sabyte - 1; for (var p = 0; p < pixelCount; p++) { if (pos >= frameArray.Length) { throw new InvalidOperationException("Read position is past end of frame buffer"); } encoder.Encode(frameArray[pos]); pos += offset; } encoder.Flush(); } encoder.MakeEvenLength(); var data = encoder.GetBuffer(); newPixelData.AddFrame(data); } } }
public override void Encode( DicomPixelData oldPixelData, DicomPixelData newPixelData, DicomCodecParams parameters) { var pixelCount = oldPixelData.Width * oldPixelData.Height; var numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel; for (var frame = 0; frame < oldPixelData.NumberOfFrames; frame++) { var frameData = oldPixelData.GetFrame(frame); var frameArray = frameData.Data; using (var encoder = new RLEEncoder()) { for (var s = 0; s < numberOfSegments; s++) { encoder.NextSegment(); var sample = s / oldPixelData.BytesAllocated; var sabyte = s % oldPixelData.BytesAllocated; int pos; int offset; if (newPixelData.PlanarConfiguration == PlanarConfiguration.Interleaved) { pos = sample * oldPixelData.BytesAllocated; offset = numberOfSegments; } else { pos = sample * oldPixelData.BytesAllocated * pixelCount; offset = oldPixelData.BytesAllocated; } pos += oldPixelData.BytesAllocated - sabyte - 1; for (var p = 0; p < pixelCount; p++) { if (pos >= frameArray.Length) { throw new InvalidOperationException("Read position is past end of frame buffer"); } encoder.Encode(frameArray[pos]); pos += offset; } encoder.Flush(); } encoder.MakeEvenLength(); var data = encoder.GetBuffer(); newPixelData.AddFrame(data); } } }
public void Encode(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; for (int i = 0; i < oldPixelData.NumberOfFrames; i++) { RLEEncoder encoder = new RLEEncoder(); byte[] frameData = oldPixelData.GetFrameDataU8(i); for (int s = 0; s < numberOfSegments; s++) { encoder.NextSegment(); int sample = s / oldPixelData.BytesAllocated; int sabyte = s % oldPixelData.BytesAllocated; int pos; int offset; if (newPixelData.PlanarConfiguration == 0) { pos = sample * oldPixelData.BytesAllocated; offset = numberOfSegments; } 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++) { if (pos >= frameData.Length) throw new DicomCodecException(""); encoder.Encode(frameData[pos]); pos += offset; } encoder.Flush(); } encoder.MakeEvenLength(); newPixelData.AddFrame(encoder.GetBuffer()); } }
public void Encode(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; for (int i = 0; i < oldPixelData.NumberOfFrames; i++) { RLEEncoder encoder = new RLEEncoder(); byte[] frameData = oldPixelData.GetFrameDataU8(i); for (int s = 0; s < numberOfSegments; s++) { encoder.NextSegment(); int sample = s / oldPixelData.BytesAllocated; int sabyte = s % oldPixelData.BytesAllocated; int pos; int offset; if (newPixelData.PlanarConfiguration == 0) { pos = sample * oldPixelData.BytesAllocated; offset = numberOfSegments; } 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++) { if (pos >= frameData.Length) { throw new DicomCodecException(""); } encoder.Encode(frameData[pos]); pos += offset; } encoder.Flush(); } encoder.MakeEvenLength(); newPixelData.AddFrame(encoder.GetBuffer()); } }
public void Encode(DicomUncompressedPixelData oldPixelData, DicomCompressedPixelData newPixelData, DicomCodecParameters parameters) { DicomRleCodecParameters rleParams = parameters as DicomRleCodecParameters; if (rleParams == null) throw new DicomCodecException("Unexpected RLE Codec parameters"); // Convert to RGB if (oldPixelData.HasPaletteColorLut && parameters.ConvertPaletteToRGB) { oldPixelData.ConvertPaletteColorToRgb(); newPixelData.HasPaletteColorLut = false; newPixelData.SamplesPerPixel = oldPixelData.SamplesPerPixel; newPixelData.PlanarConfiguration = oldPixelData.PlanarConfiguration; newPixelData.PhotometricInterpretation = oldPixelData.PhotometricInterpretation; } int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight; int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel; for (int i = 0; i < oldPixelData.NumberOfFrames; i++) { RLEEncoder encoder = new RLEEncoder(); byte[] frameData = oldPixelData.GetFrame(i); for (int s = 0; s < numberOfSegments; s++) { encoder.NextSegment(); int sample = s / oldPixelData.BytesAllocated; int sabyte = s % oldPixelData.BytesAllocated; int pos; int offset; if (newPixelData.PlanarConfiguration == 0) { pos = sample * oldPixelData.BytesAllocated; offset = numberOfSegments; } 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++) { if (pos >= frameData.Length) throw new DicomCodecException(""); encoder.Encode(frameData[pos]); pos += offset; } encoder.Flush(); } encoder.MakeEvenLength(); newPixelData.AddFrameFragment(encoder.GetBuffer()); } }
public void Encode(DicomUncompressedPixelData oldPixelData, DicomCompressedPixelData newPixelData, DicomCodecParameters parameters) { DicomRleCodecParameters rleParams = parameters as DicomRleCodecParameters ?? new DicomRleCodecParameters(); // Convert to RGB if (oldPixelData.HasPaletteColorLut && parameters.ConvertPaletteToRGB) { oldPixelData.ConvertPaletteColorToRgb(); newPixelData.HasPaletteColorLut = false; newPixelData.SamplesPerPixel = oldPixelData.SamplesPerPixel; newPixelData.PlanarConfiguration = oldPixelData.PlanarConfiguration; newPixelData.PhotometricInterpretation = oldPixelData.PhotometricInterpretation; } int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight; int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel; for (int i = 0; i < oldPixelData.NumberOfFrames; i++) { RLEEncoder encoder = new RLEEncoder(); byte[] frameData = oldPixelData.GetFrame(i); for (int s = 0; s < numberOfSegments; s++) { encoder.NextSegment(); int sample = s / oldPixelData.BytesAllocated; int sabyte = s % oldPixelData.BytesAllocated; int pos; int offset; if (newPixelData.PlanarConfiguration == 0) { pos = sample * oldPixelData.BytesAllocated; offset = numberOfSegments; } 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++) { if (pos >= frameData.Length) { throw new DicomCodecException(""); } encoder.Encode(frameData[pos]); pos += offset; } encoder.Flush(); } encoder.MakeEvenLength(); newPixelData.AddFrameFragment(encoder.GetBuffer()); } }