---
name: "SDL.setTransparency"
section: "3kaya"
platform: "linux"
package: "libkaya-sdl-dev"
version: "0.4.4-6.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL.setTransparency"
---

# SDL.setTransparency(3kaya)

Set surface transparency

## NAME

SDL::setTransparency - Set surface transparency

## SYNOPSIS

**Void setTransparency(** *SDLSurface surface, SDLColour rgba* **)**

## ARGUMENTS

**surface** The surface to set

**rgb** The RGBA value of the transparent pixel. Generally A will be 255

## DESCRIPTION

Select a particular colour on the surface to be considered transparent when copying the surface.

-

   setTransparency(pic,RGBA(0,255,0,255)); // green is transparent

## AUTHORS

Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

## LICENSE

The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.