static public unsafe SixLabors.ImageSharp.Image <SixLabors.ImageSharp.PixelFormats.L16> ReadL16Image(this DicomDataset dataset)
{
const int pixelSize = 2;
var decodedImage = dataset.DecodeImage(out _);
var pixelData = decodedImage.PixelData;
fixed(byte *p = &pixelData[0])
return(Image.LoadPixelData <L16>(new ReadOnlySpan <L16>(p, pixelData.Length / pixelSize), decodedImage.Width, decodedImage.Height));
}
static public unsafe SixLabors.ImageSharp.Image <SixLabors.ImageSharp.PixelFormats.Rgb48> ReadRgb48Image(this DicomDataset dataset)
{
const int pixelSize = 6;
var decodedImage = dataset.DecodeImage(out _);
var grayscalePixelData = decodedImage.PixelData;
int pixelCount = decodedImage.Width * decodedImage.Height;
byte[] colorPixelData = new byte[pixelSize * pixelCount];
for (int pixelIndex = 0; pixelIndex != pixelCount; pixelIndex++)
{
colorPixelData[pixelIndex * pixelSize] = grayscalePixelData[pixelIndex * 2];
colorPixelData[pixelIndex * pixelSize + 2] = grayscalePixelData[pixelIndex * 2];
colorPixelData[pixelIndex * pixelSize + 4] = grayscalePixelData[pixelIndex * 2];
colorPixelData[pixelIndex * pixelSize + 1] = grayscalePixelData[pixelIndex * 2 + 1];
colorPixelData[pixelIndex * pixelSize + 3] = grayscalePixelData[pixelIndex * 2 + 1];
colorPixelData[pixelIndex * pixelSize + 5] = grayscalePixelData[pixelIndex * 2 + 1];
}
fixed(byte *p = &colorPixelData[0])
return(Image.LoadPixelData <Rgb48>(new ReadOnlySpan <Rgb48>(p, colorPixelData.Length / pixelSize), decodedImage.Width, decodedImage.Height));
}
