Imlib2 development files Headers, static libraries and documentation for developing software that uses Imlib2. Imlib2 is an advanced replacement for libraries like libXpm. Imlib2 provides many more features with much greater flexibility and speed than standard libraries, including font rasterization, rotation, RGBA space rendering and blending, dynamic binary filters, scripting, and more. Imlib2 is not a drop-in replacement for Imlib 1.x.