As described above, VFlib supports many font file formats and absorbs differences between font file formats. It provides several C functions. Any application software using VFlib must link this library. VFlib uses kpathsea, FreeType, and T1Lib libraries. Application software linked with VFlib must be linked with these external libraries.
Parameters are revice resolution, point size, and magnification factor.
By a vflibpca, cmr10.pk can be a font file from a PK font file cmr10.300pk . It can be a Type 1 font cmr10.pfb by another vflibcap definition.