public DataBuffer createDataBuffer() {  int size = scanlineStride * height;
public DataBuffer createDataBuffer() { int size;     size = scanlineStride * (height - 1) + width;
	public DataBuffer createDataBuffer() {		// Important: use scanlineStride here, not width!		int size = scanlineStride * height;		return Buffers.createBuffer(getDataType(), size);	}