public Rect JobRect(TodoItem item, float y)
{
Rect rect = new Rect();
rect.x = (float)TimeStamp.DurationInMillis(item.startTime, startTime) * zoomFactor + xOffset;
rect.width = (float)item.Duration() * zoomFactor;
rect.height = 3 * height + 2 * separator + 2 * padding;
rect.y = y;
return(rect);
}