libxmi

libxmi is a standalone C library for rasterizing 2-D vector graphics primitives such as wide polygonal lines, circular and elliptic arcs, and filled polygons. It's based on the vector graphics code in most X Window System servers. Some rendering extensions have been added, such as support for multicolored dashing patterns. Despite its origins, libxmi is completely decoupled from X11. It draws vector graphics onto a user-supplied matrix of pixels, not onto an on-screen window. It uses its own two-stage graphics pipeline.