Re: Motivation for having a 'text color' that is invisible

[Lars Clausen <lars raeder dk>]

On Thu, 2007-10-25 at 13:56 -0400, Michael Ross wrote:
> In the DAQ development system I use called LabVIEW they provide a
> color they call "transparent."  It is indeed a useful color.  
> 
> Even better would be a slider for color transparency and for layer
> transparency.  I often wish the fill of a shape could be transparent
> -- if it seems really important then I crank up Inkscape.  But that
> would never be as good as having the ability native to Dia. 

Arbitrary transparency takes more work in the exporters -- I'm fairly
sure the internal rendering can handling it.  It would be rocking to
have.

> It is still a good idea to toggle the visibility of text in a shape.
> A hidden or temporarily invisible note could also double as a
> documentation field for a particular instance of a shape.

So invisible (as opposed to transparent) text would not be counted
towards diagram extents?  If that's not the point, I don't know what
there is to toggling visibility that transparency doesn't handle.

-Lars