public static vtkImageData FromImage(Image img, int numberOfScalarComponents)
{
Bitmap bitmap = new Bitmap(img);
vtkImageData vtkImageData = vtkImageData.New();
vtkImageData.SetScalarTypeToUnsignedChar();
vtkImageData.SetNumberOfScalarComponents(numberOfScalarComponents);
vtkImageData.SetDimensions(img.Width, img.Height, 1);
vtkImageData.AllocateScalars();
byte[] array = new byte[img.Width * img.Height * vtkImageData.GetNumberOfScalarComponents()];
int num = 0;
for (int i = img.Height - 1; i >= 0; i--)
{
for (int j = 0; j < img.Width; j++)
{
array[num++] = bitmap.GetPixel(j, i).R;
array[num++] = bitmap.GetPixel(j, i).G;
array[num++] = bitmap.GetPixel(j, i).B;
if (numberOfScalarComponents > 3)
{
array[num++] = bitmap.GetPixel(j, i).A;
}
}
}
Marshal.Copy(array, 0, vtkImageData.GetScalarPointer(), array.Length);
return(vtkImageData);
}
