[cairo]cairo blur image surface - Steve Hanov's Programming Blog : 「This really should have been included in cairo. Instead, everyone that wants to have shadows has to roll their own blur function. Here's my take on it. I'll even release this into the public domain. 」
[cairo]Debian -- lenny の libpixman-1-0 パッケージに関する詳細 : pixel-manipulation library for X and cairo A library for manipulating pixel regions -- a set of Y-X banded rectangles, image compositing using the Porter/Duff model and implicit mask generation for geometric primitives including