[[Has anyone written a tool which would graphically display text in
various tickler / banner formats, fonts, colors, etc. -
something that could be used for alerts, advertising, whatever?]]

[RS]: [strimj - string image routines] contains code for administering and using pixel fonts in pure-Tcl, which might also be used for fixed-pitch ASCII banners as known from 1970's printouts :)
======
strimj::text "Hello"
======
returns a banner-like human-readable pattern (as a string, with newlines), that can be fed into the other routines (or puts [[string map {. " "} ...]]:

 @...@.......@.@......
 @...@.......@.@......
 @...@..@@@..@.@..@@@.
 @@@@@.@...@.@.@.@...@
 @...@.@@@@@.@.@.@...@
 @...@.@.....@.@.@...@
 @...@.@...@.@.@.@...@
 @...@..@@@..@.@..@@@.


I had noticed that.  I was hoping to find something more like
graphical text transformations - if you've ever seen powerpoint,
it has several tool sets for displaying text flying in,
crawling in, typewriter style, etc.   Something of those
types, which could be used in a bit more dynamic way (say,
with a second program web scraping, then display news headlines,
log file or machine up times, etc.) was what was in mind.

Thanks though! - [RS]: If you want typewriter-animation effects, see [slow text] - but support of fonts and colors is just generic to most Tk widgets, so just tweak them as needed.
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For a retro text based look and for a bitmapped 8x8 font see [curses banners].  See also [bigcaps].

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