From: Jim Freeze <jim@...>
Date: 2005-10-07T22:52:39+09:00
Subject: Re: [QUIZ] Text Image (#50)

Ahh, a half-toning algorithm.

On 10/7/05, Ruby Quiz <james@grayproductions.net> wrote:
> The three rules of Ruby Quiz:
>
> 1.  Please do not post any solutions or spoiler discussion for this quiz until
> 48 hours have passed from the time on this message.
>
> 2.  Support Ruby Quiz by submitting ideas as often as you can:
>
> http://www.rubyquiz.com/
>
> 3.  Enjoy!
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
> This week's Ruby Quiz is to create a tool that will allow you to preview an
> image file at the command-line in pure text.
>
> Your program will need to read in an image, in whatever format you want to
> support, and respond with a text representation of the image that fits in the
> terminal.
>
> For example, given the image:
>
>         http://rubyquiz.com/images/Ducky.png
>
> Your program might respond with something like:
>
>         ........--**####**::::::::::::........
>         ......--##oooooo\\**::::::::..........
>         ......**oo==oooo\\\\::::..............
>         ....--\\oooooooo\\$$**::..............
>         ....**&&$$oooo\\$$$$%%................
>         ....**\\oooo\\<<<<$$##................
>         ....!!<<<<<<<<<<\\\\##..........::::::
>         ....::%%<<<<<<<<\\$$^^....::**++**....
>         ....^^%%<<<<<<<<$$$$##**""==++++==****
>         ....**oo<<<<<<$$<<<<\\oo==++++++==""""
>         ..!!==oo<<<<<<<<$$$$oo====++++==oo####
>         ^^====oo\\<<$$\\oooooo==++======oo****
>         **++++====oooo====++++======oooo\\^^^^
>         ++====++++========++======oooooo**....
>         ""====++++==========oooooooooo##--....
>         ""==================oooooooooo^^......
>         !!oo==oo======oooooooooo\\##^^::......
>         ..""oooooooooooooooo\\oo""^^..........
>         ..::**====oooooooooo==**::............
>         ....::^^**""""""""!!..--::............
>         ....::^^**""""""""!!..--::............
>
> Go for as much accuracy as you can possibly squeeze out of it.
>
>


--
Jim Freeze