libpixman - Pixel manipulation library
libpixman is a merge of libpixregion and libic.
It also includes the slim headers.
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libpixregion - Pixel region Library
libpixregion is a generic library for manipulating pixel regions. A
PixRegion is a set of Y-X banded rectangles that cover the desired
region.
libic - Image compositing library
libic is a generic image compositing library. libic provides
Porter/Duff compositing of images and implicit mask generation for
geometric primitives including trapezoids, triangles, and rectangles.
slim - Shared Library Interface Macros