imageSetDrawingAlpha

Applies drawing alpha to image i.e. makes image transparent/sets opacity. All subsequent graphic operations follow that value.

imageSetDrawingAlpha(name, alpha) → returns void

This function requires Lucee.  Not supported on Adobe ColdFusion, etc.
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Argument Reference

name any
Required

alpha numeric
Required

Examples
Sample code invoking the imageSetDrawingAlpha function

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