public class PixelDesc
{
    public PixelOp pixelOp;
    public int x;
    public int y;
    public float amount;

    public PixelDesc(PixelOp op,int xi,int yi,float amounti)
    {
        pixelOp = op; x = xi; y = yi; amount = amounti;
    }
    
    public PixelDesc()
    {
        pixelOp = null; x = 0; y = 0; amount = 1;
    }

}