Convert RGBA color to RGB with background

Convert an RGBA (Red, Green, Blue, Alpha) color to RGB by compositing it with a background color based on the alpha channel.

Usage

RGBA2RGB(RGBA, BackGround = c(1, 1, 1))

Arguments

RGBA

A list containing RGB values and alpha channel.

BackGround

The background RGB color to composite with. Default is c(1, 1, 1) (white).

Value

A numeric vector of RGB values.