Re: [Gimp-user] Enhancement request: Transparency as a "paintable" color

[Brendan Scott <disposableemail apps opensourcelaw biz>]

On 07/25/2013 11:09 PM, Brendan Scott wrote:
[]

> Why? This request occurred to me after watching online digital
> painting tutorials from a couple of different sources.  In them, the
> artist chooses a particular color as their background (typically
> white) and, rather than erasing their mistakes, simply switches to
> the background color and paints over with it.  I have seen several
> comments on these videos (replicated across the sources) to the
> effect that this swapping to background color rather than using the
> eraser is a neat trick - mainly because it simplifies the workflow.

See for example:
http://www.davidrevoy.com/article172/chaosevolution-digital-painting-1h30-open-tutorial
at 1:55 where he says:

"To erase, I don't use the eraser.  It's slow to switch tools.  I prefer [to] use the color picker and pick white 
color on the background.  To draw again, I pick grey"