Better foreground for colorcodes.

This commit is contained in:
Hugo Hörnquist 2019-03-17 22:40:34 +01:00
parent 08ec02a755
commit 2f87f92060

View File

@ -349,12 +349,18 @@ function! s:tag_code(value)
let l:str = s:mid(a:value, 1)
let l:match = match(l:str, '^#[a-fA-F0-9]\{6\}$')
if l:match != -1
let l:inv_color = 0xFFFFFF - eval("0x" . l:str[1:])
let l:r = eval("0x".l:str[1:2])
let l:g = eval("0x".l:str[3:4])
let l:b = eval("0x".l:str[5:6])
let l:retstr .= printf(" style='background-color: %s; color: #%x;'",
\ l:str, l:inv_color)
let l:fg_color =
\ (((0.299 * r + 0.587 * g + 0.114 * b) / 0xFF) > 0.5)
\ ? "black" : "white"
let l:retstr .=
\ " style='background-color:" . l:str .
\ ";color:" . l:fg_color . ";'"
endif
let l:retstr .= '>'.s:safe_html_preformatted(l:str).'</code>'