SRGP-X is a port of the Simple Raster Graphics Package (SRGP) to Carbon, allowing projects that use SRGP to run natively under Mac OS X.
SRGP is a raster graphics library described in the book Computer Graphics: Principles and Practice by James D. Foley, et al. (ISBN: 0201848406 for the second edition). There was also a Mac-specific SRGP book in print at one time or another, Introduction to Computer Graphics Macintosh Version Software of SRGP and SPHIGS Software by James D. Foley, et al. (ISBN: 0201609568).
This is a beta release; there are still some bugs in it. Please read the read me file for more information, and instructions on how to create projects with this library. Source code is included.