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https://github.com/cslarsen/jp2a

Converts jpg images to ASCII
https://github.com/cslarsen/jp2a

Last synced: about 2 months ago
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Converts jpg images to ASCII

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jp2a
====

jp2a is a simple JPEG to ASCII converter.

The source is available at . This project
used to be hosted on SourceForge.

License
-------

Copyright 2006-2016 Christian Stigen Larsen
Distributed under the GNU General Public License v2.

You can read the full license in the file COPYING. jp2a also uses other
libraries. These licenses can be found in the file LICENSES.

Example: Oswald the lucky rabbit
--------------------------------
......
.:lOKMMMMMMMMMM0l
.;dOMMMMMMMMMMMMMMMMMMW.
.ckWMMMMMMMMMMMMMMMMMMMMMMMO
.dXMMMMMMMMMMMMMMMMMMMMMMMMMMO
.xWMMMMMMMMMMMMMMMMMMMMMMMMMMO:.
lXMMMMMMMMMMMMMMMMMMMMMWOOxc'
.;lxOOOOOxdl:. cMMMMMMMMMMMMMMMMWKklc'..
'llc.. ..:oMMMMMMKxNMMMMMMMMMM0kl:'.
:0' cMMMMMMMMMMMMWd'.
.K:l0 .MMMMMMMMMMl.
,K W ,MMMMMMMMMMMMN0dl'
M. M MMMMMMMMMMMMMMMMMMKx:.
cMMK WMMMMMMMMMMMMMMMMMMMMMXd'
NMMM: MMMMMMMMMMMXWMMMMMMMMMMMMNd'
KMMMW MMMMMMMMMMM' ;XMMMMMMMMMMMMMWd'
MMMM XMMMMMMMMMMM dMMMMMMMMMMMMMMMNc
'' NMKWl' .KMMMMMMMMMMM' :MMMMMMMMMMMMMMMMMd
KMWMKOk ' ,lXMMMMMMMMMMM; .KMMMMMMMMMMMMMMMM0
KMMMMM. .cOMMMMMW' kMMMMMMMMMMMMMMMMX
cOXMNXl. ...... .MWd. .0cc:' .NMMMMMMMMMMMMMMMk
.cololoxKWWWXWMMMMMMM: M c:. .l0ok oMMMMMMMMMMMMMMM
.'Mo,MMMMNk:lO' :l .OMMMMl .OMMMMMMMMMMMMN
X0'OkxkxOK;. :: ,.XMMMMMMO :O lXMMMMMMMMk
kc,,o0M0.:;c'N ko;lMMMMMM:'xMMMNWKO,.clxdl:.
;00xkM:d , .. oMMMMMM cMMMMMMMMl
c N0l . .l:;;oKMMk MMMMMMMMM0
O ,.ocOc..l..k' .:c;'O 0MMMMMMMX.
X N..l .c K. OMMMMMMM
.' c. : M . OMMM0,.;
:, N.;W ; O...o .,.
d M ;X' :l :
d..':. lcKol,,,,'.:c,,'.cd;'o,'.
. ;:,WMMMMMMXx,; M0XXNNWM.
MMMMMMMM .MMMMMMMM
MMMMMMMM .MMMMMMMM.
:ONMMMMMM0:':MMMMMMMMM:
;c:,'',::lX' '','' .MMMMMMMMMMWK:c:
x. .lloc;.',lxl..lKMMMMMKl M
0 .;,;'......;::c' .. ;dl;l'
;O: .d' .lkk::::;, 'k
N.'oc'. M : X
lo:. ',::xN: .x0'
.,lccccM .ll,. . ;;:::;c'.0
.kl. .c::lcccccc:cc::; .''clccl.
'lcl:lc::,,'::cc:cc:c,..

The Oswald character is Copyright Walt Disney, and, unfortunately, not in the
public domain. However, I believe that I can use this picture under the fair
use clause, for demonstrational purposes, especially in low-resolution, ASCII
format. If I am wrong, I will promptly remove it.

Installation
------------

Look in your system's package manager. I don't maintain Windows binaries
anymore.

Building
--------

If you want to compile from source, you need autotools and automake. You may
need to specify the path to jpeglib. I usually just do

autoreconf -vi
./configure --with-jpeg-prefix=/usr/local \
--with-curl-config=`which curl-config`
make -j

Before installing, you may want to check that jp2a works by running `src/jp2a`
on some `.jpg` files. The `check` target is currently broken, and won't help
you. When you're ready to install,

make -j install

jp2a depends on jpeglib. In case configure fails beacuse jpeglib is not installed,
it can be built and installed manually. Independent JPEG Group provides a UNIX format
package in tar.gz format which can be downloaded from http://www.ijg.org/.

Extract the archive and follow the instructions inside 'install.txt' to build and
install it. For a default install, the corresponding `.so` (shared object) files
will be present in `/usr/local/lib/`

Next, run the command `ldconfig` (escalated privileges may be required) to configure dynamic linker run-time bindings. See
its man page for more details. The configure command should work after that.

If configure can't automatically find jpeglib, specify with

./configure --with-jpeg-include=PATH --with-jpeg-lib=PATH

or you can just type the prefix

./configure --with-jpeg-prefix=/usr/local/

You can also compile jp2a with libcurl, so it can automatically download images
from the net:

./configure --enable-curl

This will look for `curl-config` in $PATH, but you can specify it directly with
`--with-curl-config=PATH` if you need to.

Windows
-------

You need a working jpeglib for Windows and set up include paths yourself.
You will need to manually type out a `config.h` file. Example:

WIN32
NDEBUG
_CONSOLE
PACKAGE_STRING=\"jp2a x.x.x-win32\"
PACKAGE_BUGREPORT=\"[email protected]\"
HAVE_STRING_H
HAVE_STDLIB_H
FEAT_CURL
HAVE_CURL_CURL_H
CURL_STATICLIB
FEAT_TERMLIB

You need to add jpeg.lib to the linker. If you want libcurl support, you need
that as well. It should be available from http://curl.haxx.se