truecolor | R Documentation |
If your platform supports at least 256 colors, then you can configure
the colors that cli uses for the eight base and the eight bright colors.
(I.e. the colors of col_black()
, col_red()
, and col_br_black()
,
col_br_red()
, etc.
truecolor
ansi_palettes
ansi_palette_show(palette = NULL, colors = num_ansi_colors(), rows = 4)
palette |
The palette to show, in the same format as for the
|
colors |
Number of ANSI colors to use the show the palette. If the platform does not have sufficient support, the output might have a lower color resolution. Without color support it will have no color at all. |
rows |
The number of colored rows to print. |
truecolor
is an integer scalar.
ansi_palettes
is a data frame with one row for each palette,
and one column for each base ANSI color. attr(ansi_palettes, "info")
contains a list with information about each palette.
truecolor
is an integer constant for the number of 24 bit ANSI colors.
To customize the default palette, set the cli.palette
option to the
name of a built-in palette (see ansi_palettes()
), or the list of
16 colors. Colors can be specified with RGB colors strings:
#rrggbb
or R color names (see the output of grDevices::colors()
).
For example, you can put this in your R profile:
options(cli.palette = "vscode")
It is currently not possible to configure the background colors separately, these will be always the same as the foreground colors.
If your platform only has 256 colors, then the colors specified in the palette have to be interpolated. On true color platforms they RGB values are used as-is.
ansi_palettes
is a data frame of the built-in palettes, each row
is one palette.
ansi_palette_show()
shows the colors of an ANSI palette on the screen.
ansi_palette_show
returns a character vector, the rows that
are printed to the screen, invisibly.
ansi_palettes
ansi_palette_show("dichro", colors = truecolor)
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