| 2013-07-18 10:36:09 |
Anton Kochkov |
description |
Here's a test case
printf "\x1b[38;2;255;100;0mTRUECOLOR\x1b[0m\n"
According to Wikipedia[1], this is only supported by xterm and konsole.
It's a common confusion about terminal colors... Actually we have this:
* plain ascii
* ansi escape codes (16 color codes with bold/italic and background)
* 256 color palette (216 colors+16gray + ansi) (colors are 24bit)
* 24bit true color (8*8*8 colors (aka 16 milion)
The 256 color palete is configured at start, and it's a 6*6*6 cube of
colors, each of them defined as a 24bit (8*8*8 rgb) color.
This means that current support can only display 256 *different* colors
in the terminal, while truecolor means that you can display 16 milion
different colors at the same time.
Truecolor escape codes doesnt uses a color palete. It just specifies the
color itself.
[1] https://en.wikipedia.org/wiki/ANSI_color
Here is another terminals discussions:
st (from suckless) - http://lists.suckless.org/dev/1307/16688.html
urxvt - http://lists.schmorp.de/pipermail/rxvt-unicode/2013q3/001826.html
konsole (already fixed) https://bugs.kde.org/show_bug.cgi?id=138740 |
Here's a test case
printf "\x1b[38;2;255;100;0mTRUECOLOR\x1b[0m\n"
According to Wikipedia[1], this is only supported by xterm and konsole.
It's a common confusion about terminal colors... Actually we have this:
* plain ascii
* ansi escape codes (16 color codes with bold/italic and background)
* 256 color palette (216 colors+16gray + ansi) (colors are 24bit)
* 24bit true color (8*8*8 colors (aka 16 milion)
The 256 color palete is configured at start, and it's a 6*6*6 cube of
colors, each of them defined as a 24bit (8*8*8 rgb) color.
This means that current support can only display 256 *different* colors
in the terminal, while truecolor means that you can display 16 milion
different colors at the same time.
Truecolor escape codes doesnt uses a color palete. It just specifies the
color itself.
[1] https://en.wikipedia.org/wiki/ANSI_color
Here is another terminals discussions:
st (from suckless) - http://lists.suckless.org/dev/1307/16688.html
urxvt - http://lists.schmorp.de/pipermail/rxvt-unicode/2013q3/001826.html
konsole (already fixed) https://bugs.kde.org/show_bug.cgi?id=138740
mlterm - https://bitbucket.org/arakiken/mlterm/issue/1/support-for-16-million-colors |
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