OpenImageIO 2.2

Programmer Documentation

Editor: Larry Gritz,

OpenImageIO (OIIO) is a library for reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API. OIIO emphasizes formats and functionality used in professional, large-scale visual effects and feature film animation, and it is used ubiquitously by large VFX studios, as well as incorporated into many commercial products.

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The OpenImageIO Library APIs