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| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version

## mask-contents-set

Arguments: pixmap x y value

Sets the value of the specified pixel of the mask texture of a pixmap by calling contents-set on the mask texture, and returns the new value. Does nothing and returns `nil` if the pixmap has no mask texture. See contents-set for more information.

Note that mask-contents-ref is setf'able and it is recommended you use setf and mask-contents-ref rather than this function.

Copyright (c) 1998-2022, Franz Inc. Lafayette, CA., USA. All rights reserved.
This page was not revised from the 10.0 page.
Created 2019.8.20.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version