[Bug 191652] Text console - true color (24 bit, 16 million colors) support

Tue Jun 28 05:24:47 UTC 2016

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191652

--- Comment #1 from Anton Kochkov <anton.kochkov at gmail.com> ---
Just a quick update - since the opening of this bug a lot of program started to
support 24 bit colors:

Now **supporting** truecolour
----------------------------

* [st](http://st.suckless.org/) (from suckless) [delimeter: semicolon] - 
http://lists.suckless.org/dev/1307/16688.html
* [konsole](http://kde.org/applications/system/konsole/) [delimeter: colon,
semicolon] - https://bugs.kde.org/show_bug.cgi?id=107487
* [urxvt aka rxvt-unicode](http://software.schmorp.de/pkg/rxvt-unicode.html) - 
since http://lists.schmorp.de/pipermail/rxvt-unicode/2016q2/002261.html
* [iterm2](http://www.iterm2.com/) [delimeter: colon, semicolon] - only in beta
builds
* [qterminal](https://github.com/qterminal/qterminal) [delimeter: semicolon] -
https://github.com/qterminal/qterminal/issues/78
* [cool-retro-term](https://github.com/Swordfish90/cool-retro-term) [delimeter:
semicolon]
* [Black Screen](https://github.com/shockone/black-screen) [delimeter:
semicolon] - crossplatform, HTML/CSS/JS-based
* [Tera Term](http://en.sourceforge.jp/projects/ttssh2/) [delimeter: colon,
semicolon] - **Windows platform**
* [ConEmu](https://github.com/Maximus5/ConEmu) [delimeter: semicolon] -
**Windows platform**
* [FinalTerm](http://finalterm.org/) [delimeter: semicolon] -
[abandoned](http://worldwidemann.com/finally-terminated/), iTerm2 [borrowing
it's ideas and features](http://iterm2.com/shell_integration.html).
* [MacTerm](https://github.com/kmgrant/macterm) [delimeter: semicolon] - **Mac
OS X platform**
* [mintty](https://mintty.github.io/) [delimeter: semicolon] **Cygwin and
MSYS/MSYS2** since commit
https://github.com/mintty/mintty/commit/43f0ed8a46c6549cb9a3ea27abc057b5abe13bdb
(2.0.1 release) - **Windows platform**
* all [libvte](http://ftp.gnome.org/pub/GNOME/sources/vte/) based terminals
(since 0.36 version) [delimeter: colon, semilocon] - 
https://bugzilla.gnome.org/show_bug.cgi?id=704449
    * **libvte**-based [Gnome
Terminal](https://help.gnome.org/users/gnome-terminal/stable/)
    * **libvte**-based [sakura](http://www.pleyades.net/david/projects/sakura)
    * **libvte**-based
[Terminator](http://gnometerminator.blogspot.com/p/introduction.html) - use
[GTK+3](https://code.launchpad.net/~gnome-terminator/terminator/gtk3) version.
    * **libvte**-based [Lilyterm](http://lilyterm.luna.com.tw/) - since commit
https://github.com/Tetralet/LilyTerm/commit/72536e7ba448ad9ef1126ce45fbde3a3407a271b
    * **libvte**-based [ROXTerm](http://roxterm.sourceforge.net/)
    * **libvte**-based [evilvte](http://www.calno.com/evilvte/) - no release
yet, version from git https://github.com/caleb-/evilvte
    * **libvte**-based [Termit](https://github.com/nonstop/termit)
    * **libvte**-based [Termite](https://github.com/thestinger/termite)
    * **libvte**-based [Tilda](https://github.com/lanoxx/tilda)
    * **libvte**-based [tinyterm](https://code.google.com/p/tinyterm)
    * **libvte**-based [lxterminal](http://sourceforge.net/projects/lxde) -
with **--enable-gtk3** configure flag.
    * **libvte**-based [mlterm](http://mlterm.sourceforge.net) - with
**--with-gtk=3.0** configure flag

But there are bunch of libvte-based terminals for GTK2 so they are listed in
the another section.

Parsing ANSI colour sequences, but approximating them to 256 palette
-------------------------------------------------------------------

* xterm (though doing it wrong: "it uses nearest colour in RGB colour space,
with a usualfalse assumption about orthogonal axes")
* linux console (since v3.16):
https://github.com/torvalds/linux/commit/cec5b2a97a11ade56a701e83044d0a2a984c67b4
* Windows 10 bash console, since build 14352, approximates 256 and 16M colors
to 16fg/16bg https://github.com/Microsoft/BashOnWindows/issues/76

Note about colour differences: a) RGB axes are not orthogonal, so you cannot
use sqrt(R^2+G^2+B^2) formula, b) for colour differences there is more correct
(but much more complex)
[CIEDE2000](http://en.wikipedia.org/wiki/Color_difference#CIEDE2000) formula
(which may easily blow up performance if used blindly) [2].

[2] https://github.com/neovim/neovim/issues/793#issuecomment-48106948

Terminal multiplexers
---------------------

* [tmux](http://tmux.github.io/) - starting from version 2.2 (support since
[427b820...](https://github.com/tmux/tmux/commit/427b8204268af5548d09b830e101c59daa095df9))
* [screen](http://git.savannah.gnu.org/cgit/screen.git/) - has support in
'master' branch, need to be enabled (see 'truecolor' option)
* [pymux](https://github.com/jonathanslenders/pymux) - tmux clone in pure
Python (to enable truecolour run pymux with `--truecolor` option)
* [dvtm](https://github.com/martanne/dvtm) - not yet supporting True Colour
https://github.com/martanne/dvtm/issues/10

**NOT supporting** truecolour
----------------------------

* [Terminology](https://www.enlightenment.org/p.php?p=about/terminology) (E17)
- https://phab.enlightenment.org/T746
* [mrxvt](https://sourceforge.net/projects/materm) (looks abandoned) -
https://sourceforge.net/p/materm/feature-requests/41/
* [aterm](http://www.afterstep.org/aterm.php) (looks abandoned) -
https://sourceforge.net/p/aterm/feature-requests/23/
* [fbcon](https://www.kernel.org/doc/Documentation/fb/fbcon.txt) (from linux
kernel) - https://bugzilla.kernel.org/show_bug.cgi?id=79551
* [PuTTY](http://www.chiark.greenend.org.uk/~sgtatham/putty/) (patched version
[3] {xterm-like approximation to 256 colors} and [4] {real true colors}
available) - **Windows platform**
* libvte and GTK2 - based:
     * **libvte**-based [GTKTerm2](http://gtkterm.feige.net/)
     * **libvte**-based [stjerm](https://github.com/stjerm/stjerm) (looks
abandoned) - https://github.com/stjerm/stjerm/issues/39
     * **libvte**-based
[xfce4-terminal](http://docs.xfce.org/apps/terminal/start) - will be solved
automatically since Xfce [slowly
migrating](https://www.linuxliteos.com/forums/off-topic/ikey-porting-xfce-to-gtk3/)
to the GTK+3

[3] You can download patched version here https://github.com/rdebath/PuTTY

[4] You can download patched version here https://github.com/halcy/PuTTY

Here are another console programs discussions:
============================================

Supporting True Colour:

* irssi - https://github.com/irssi/irssi/pull/48
* neovim -
https://github.com/neovim/neovim/commit/8dd415e887923f99ab5daaeba9f0303e173dd1aa
* vim - (from 7.4.1770)
https://github.com/vim/vim/commit/8a633e3427b47286869aa4b96f2bfc1fe65b25cd
* elinks - http://repo.or.cz/w/elinks.git/blob/HEAD:/configure.in#l1410
(./configure --enable-true-color)
* s-lang library - http://lists.jedsoft.org/lists/slang-users/2015/0000020.html
(since pre2.3.1-35, for 64bit systems)

Not supporting True Colour:

* mutt - http://dev.mutt.org/trac/ticket/3674
* mc - http://www.midnight-commander.org/ticket/3145#comment:1 - demo patches
attached
* ncurses library -
https://lists.gnu.org/archive/html/bug-ncurses/2013-10/msg00007.html
* termbox library - https://github.com/nsf/termbox/issues/37
* mcabber -
https://bitbucket.org/McKael/mcabber-crew/issue/126/support-for-true-color-16-millions-colors
* emacs -
http://emacs.1067599.n5.nabble.com/RFC-Add-tty-True-Color-support-td299962.html
and
http://emacs.1067599.n5.nabble.com/bug-20243-True-color-terminal-support-tc354040.html
* tig - https://github.com/jonas/tig/issues/227

-- 
You are receiving this mail because:
You are the assignee for the bug.