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| author | Rami Ylimäki <rami.ylimaki@vincit.fi> | 2017-02-18 13:04:55 +0200 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2017-02-18 13:04:55 +0200 |
| commit | e463e5762bbe628be3d15da066a90f079a8468b3 (patch) | |
| tree | 2aa517f3626acbe0dbc73dc7ad5a8ec7d81656c9 /src/term.c | |
| parent | 464a51ed46990554bed8a9443168c976d6c3c6d3 (diff) | |
| download | emacs-e463e5762bbe628be3d15da066a90f079a8468b3.tar.gz | |
Support 24-bit direct colors on text terminals
* src/term.c (init_tty): Use 24-bit terminal colors if corresponding
foreground and background functions are present in terminal type
definition.
* src/tparam.h: Define prototype for tigetstr.
* lisp/term/tty-colors.el (tty-color-define): Convert color palette
index to pixel value on 16.7M color terminals.
(tty-color-24bit): New function to convert color palette index to
pixel value on 16.7M color terminals.
(tty-color-desc): Don't approximate colors on 16.7M color terminals.
* lisp/term/xterm.el (xterm-register-default-colors): Define all named
TTY colors on 16.7M color terminals.
* doc/misc/efaq.texi (Colors on a TTY): Add instructions on how to
enable direct color TTY mode.
* etc/NEWS: Mention direct color TTY mode and point to FAQ.
Diffstat (limited to 'src/term.c')
| -rw-r--r-- | src/term.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/term.c b/src/term.c index b0ff9cb546d..35fa8c931c1 100644 --- a/src/term.c +++ b/src/term.c @@ -4131,6 +4131,20 @@ use the Bourne shell command 'TERM=...; export TERM' (C-shell:\n\ tty->TN_max_colors = tgetnum ("Co"); +#ifdef TERMINFO + /* Non-standard support for 24-bit colors. */ + { + const char* fg = tigetstr ("setf24"); + const char* bg = tigetstr ("setb24"); + if (fg && bg && fg != (char *)-1 && bg != (char *)-1) + { + tty->TS_set_foreground = fg; + tty->TS_set_background = bg; + tty->TN_max_colors = 16777216; + } + } +#endif + tty->TN_no_color_video = tgetnum ("NC"); if (tty->TN_no_color_video == -1) tty->TN_no_color_video = 0; |