private static int[] ToPixelArray(PixelData pixelData)
{
int[] intArray;
if (pixelData.Data.Value.IsSequence)
{
Sequence sq = (Sequence)pixelData.Data.Value[0];
intArray = new int[sq.Count];
for (int i = 0; i < sq.Count; i++)
{
intArray[i] = Convert.ToInt32(sq[i].Value[0]);
}
return(intArray);
}
else if (pixelData.Data.Value.IsArray)
{
byte[][] bytesArray = pixelData.ToBytesArray();
if (bytesArray != null && bytesArray.Length > 0)
{
byte[] bytes = bytesArray[0];
int cellSize = pixelData.BitsAllocated / 8;
int pixelCount = bytes.Length / cellSize;
intArray = new int[pixelCount];
int pixelIndex = 0;
// Byte array for a single cell/pixel value
byte[] cellData = new byte[cellSize];
for (int iByte = 0; iByte < bytes.Length; iByte++)
{
// Collect bytes for one cell (sample)
int index = iByte % cellSize;
cellData[index] = bytes[iByte];
// We have collected enough bytes for one cell => convert and add it to pixel array
if (index == cellSize - 1)
{
int cellValue = 0;
if (pixelData.BitsAllocated == 8)
{
cellValue = cellData[0];
}
else if (pixelData.BitsAllocated == 16)
{
cellValue = BitConverter.ToInt16(cellData, 0);
}
else if (pixelData.BitsAllocated == 32)
{
cellValue = BitConverter.ToInt32(cellData, 0);
}
else
{
Debug.LogError("Invalid format!");
}
intArray[pixelIndex] = cellValue;
pixelIndex++;
}
}
return(intArray);
}
else
{
return(null);
}
}
else
{
Debug.LogError("Pixel array is invalid");
return(null);
}
}
