colors.are.grayscale: Check for the given color strings whether they represent gray...

In dfsp-spirit/nitools: Managing and Visualizing Brain Surface Data

Check for the given color strings whether they represent gray scale colors.

Description

Check for the given color strings whether they represent gray scale colors.

Usage

colors.are.grayscale(col_strings, accept_col_names = TRUE)

Arguments

col_strings	vector of RGB(A) color strings, like c("#FFFFFF", ("#FF00FF")).
accept_col_names	logical, whether to accept color names like 'white'. Disables all sanity checks.

Value

logical vector

Examples

colors.are.grayscale(c("#FFFFFF", "#FF00FF"));
all((colors.are.grayscale(c("#FFFFFF00", "#ABABABAB"))));

dfsp-spirit/nitools documentation built on Jan. 26, 2024, 8:24 p.m.