# 40-byte dib header
	private var dib_header = [40, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 1, 0, 24, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0]