gc:setAlpha
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setAlpha is a function that is part of gc.
Sets how transparent the next graphical things displayed will be.
This has been introduced in TI-Nspire OS 3.0 (Changes).
Syntax
gc:setAlpha(alpha)
| Parameter | Type | Description |
|---|---|---|
| number | an integer, from 0 to 255 |
Example
gc:setAlpha(0) -- will be invisible
gc:setAlpha(127) -- will be half-visible
gc:setAlpha(255) -- will be fully-visible
