gwaldron/osgearth — pull request #147 by Thomas-Lerman (2012-06-13 18:17:01+00:00)
Title: CMYK/RGB

Fix specifically negative values of K in CMYK. Accomplish this by:
1) Moving CMY from CMYK into RGB since one is the negative of the other.
2) Handle CMYK correctly and might as well add RGBW since one is the negative of the other.