REBOL 3 Docs Guide Concepts Functions Datatypes Errors
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REBOL 3 Functions: effect


This applies an effect to an existing or new image using the built in effect dialect.

In this example, using a size of 50x50 produces a black image of the size 50x50. When applying the invert effect, the image turns white:

effect 50x50 [invert]
make image! [50x50 #{

To read more about the effect dialect commands, see here.

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