spiegel-keyman/web/docs/engine/reference/util/rgba.md at 54d7423619be21acee9affb0abeab0aef5cca32c

mirror of https://github.com/keymanapp/keyman.git synced 2026-08-15 21:29:23 +00:00

Marc Durdin 1f82507730 docs(web): deprecate unused and obsolete API endpoints and docs cleanup

Deprecate the following obsolete functions and properties:
* `keyman.helpURL`
* `keyman.util.rgba`
* `keyman.util.toFloat`
* `keyman.util.toNumber`
* `keyman.util.toNzString`

Use correct language for code blocks in Keyman Engine for Web
documentation.

Test-bot: skip

2026-08-12 16:07:22 +02:00

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title
rgba (deprecated)

Summary

Browser-independent alpha-channel management.

Syntax

keyman.util.rgba(s, r, g, b, a);

Parameters

s: Type: Element; Element style object
r: Type: number; Value for red (0-255)
g: Type: number; Value for green (0-255)
b: Type: number; Value for blue (0-255)
a: Type: number; Value for alpha/opacity (0-1.0)

Return Value

string: Background color CSS value.

Description

This function returns the required string value for setting background transparency, and applies an appropriate a filter to the element for IE versions before IE9.

This function has been deprecated and will be removed in a future version of KeymanWeb.

History

19.0: deprecated

788 B Raw Blame History