Create a TextureOpt with all fields initialized to reasonable defaults.

the data is processed so write it straight through argument count is total size in bytes of the passed data

internal use - only call from PtexCachedFile, PtexCachedData

Add one EXIF directory entry's data to spec under the given 'name'. The directory entry is in *dirp, buf points to the beginning of the TIFF "file", i

Stores the pointer to an argument in the param list and initializes flag options to FALSE. FIXME -- there is no such initialization. Bug?

Mix up and combine the bits of a, b, and c (doesn't change them, but returns a hash of those three original values). 21 ops

Add all the built-in plugins, those compiled right into libOpenImageIO, to the catalogs. This does nothing if EMBED_PLUGINS is not defined, in which