Apple patent causes concern for open-source developers
A patent granted to Apple in 1995 is causing a commotion among developers of the open-source PNG graphics format, reports The Register. At dispute is a patent that covers ‘alpha blending’, a frequently used technique for blending two images together that the PNG format supports. Developers participating in the PNG project are asking Apple to freely license the technology, a request that Apple has yet to respond to.
Read More