private GrayscalePixelDataU16(int width, int height, ushort[] data)
{
_width = width;
_height = height;
_buffer = new MappedFileBuffer(Dicom.IO.ByteConverter.ToByteBuffer <ushort>(data).Data);
}
public GrayscalePixelDataS16(int width, int height, BitDepth bitDepth, IByteBuffer data)
{
_bits = bitDepth;
_width = width;
_height = height;
var shortData = Dicom.IO.ByteConverter.ToArray <short>(data);
if (bitDepth.BitsStored != 16)
{
int sign = 1 << bitDepth.HighBit;
int mask = (UInt16.MaxValue >> (bitDepth.BitsAllocated - bitDepth.BitsStored));
Parallel.For(0, shortData.Length, (int i) => {
short d = shortData[i];
if ((d & sign) != 0)
{
shortData[i] = (short)-(((-d) & mask) + 1);
}
else
{
shortData[i] = (short)(d & mask);
}
});
}
_buffer = new MappedFileBuffer(Dicom.IO.ByteConverter.ToByteBuffer <short>(shortData).Data);
}
public GrayscalePixelDataU8(int width, int height, IByteBuffer data)
{
_width = width;
_height = height;
_buffer = new MappedFileBuffer(data.Data);
}
private GrayscalePixelDataU8(int width, int height, byte[] data)
{
_width = width;
_height = height;
_buffer = new MappedFileBuffer(data);
//_data = data;
}
public GrayscalePixelDataU16(int width, int height, BitDepth bitDepth, IByteBuffer data)
{
_bits = bitDepth;
_width = width;
_height = height;
var ushortData = Dicom.IO.ByteConverter.ToArray <ushort>(data);
if (bitDepth.BitsStored != 16)
{
int mask = (1 << (bitDepth.HighBit + 1)) - 1;
Parallel.For(0, ushortData.Length, (int i) => {
ushortData[i] = (ushort)(ushortData[i] & mask);
});
}
_buffer = new MappedFileBuffer(Dicom.IO.ByteConverter.ToByteBuffer <ushort>(ushortData).Data);
}
public GrayscalePixelDataS32(int width, int height, BitDepth bitDepth, IByteBuffer data)
{
_width = width;
_height = height;
var intData = Dicom.IO.ByteConverter.ToArray <int>(data);
int sign = 1 << bitDepth.HighBit;
uint mask = (UInt32.MaxValue >> (bitDepth.BitsAllocated - bitDepth.BitsStored));
Parallel.For(0, intData.Length, (int i) => {
int d = intData[i];
if ((d & sign) != 0)
{
intData[i] = (int)-(((-d) & mask) + 1);
}
else
{
intData[i] = (int)(d & mask);
}
});
_buffer = new MappedFileBuffer(Dicom.IO.ByteConverter.ToByteBuffer <int>(intData).Data);
}
public ColorPixelData24(int width, int height, IByteBuffer data)
{
_width = width;
_height = height;
_buffer = new MappedFileBuffer(data.Data);
}
private ColorPixelData24(int width, int height, byte[] data)
{
_width = width;
_height = height;
_buffer = new MappedFileBuffer(data);
}
