CGGradient Reference describes the functions that create CGGradient objects.
CGShading Reference describes the functions that create CGShading objects.
CGFunction Reference describes the functions needed to calculate gradient colors for a CGShading object.
CGContext Reference describes the functions that draw to a context with CGGradient and CGShading objects.
Cocoa CG shading demo is a sample application that uses the Quartz functions discussed in this chapter.
Last updated: 2007-12-11