CDQuartzCocoaLib is a project mainly written in OBJECTIVE-C and C, it's free.
A layer on top of Quartz 2d to allow for a sequence of operations encapsulating Quartz api functions to be queued and later applied to a graphics context.
================ CDQuartzCocoaLib
Email: [email protected]
For futher details on how to build and use download the file: https://github.com/cxd/CDQuartzCocoaLib/blob/master/QuartzCocoaLib%20User%20Guide.pdf
And review the wiki pages: https://github.com/cxd/CDQuartzCocoaLib/wiki