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Update rgb_number function

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gryf
2021-01-19 18:58:35 +01:00
parent a034c74df0
commit 7a8aa2c501
1 changed files with 22 additions and 25 deletions
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47
colors/wombat256grf.vim
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@@ -80,30 +80,27 @@ fun s:get_grey_color_idx(n)
endfun
" returns an approximate color index for the given color level
fun <SID>rgb_number(x)
fun s:get_approximate_rgb_idx(x)
if &t_Co == 88
if a:x < 69
return 0
elseif a:x < 172
return 1
elseif a:x < 230
return 2
else
return 3
endif
else
if a:x < 75
return 0
else
let l:n = (a:x - 55) / 40
let l:m = (a:x - 55) % 40
if l:m < 20
return l:n
else
return l:n + 1
let l:rgb_map = {69: 0, 172: 1, 230: 2}
for i in sort(keys(l:rgb_map), "s:sort_ints")
if a:x < i
return l:rgb_map[i]
endif
endif
endfor
return 3
endif
if a:x < 75
return 0
endif
let l:n = (a:x - 55) / 40
let l:m = (a:x - 55) % 40
if l:m < 20
return l:n
endif
return l:n + 1
endfun
" returns the actual color level for the given color index
@@ -144,9 +141,9 @@ fun <SID>color(r, g, b)
let l:gz = s:get_approximate_grey_idx(a:b)
" get the closest color
let l:x = <SID>rgb_number(a:r)
let l:y = <SID>rgb_number(a:g)
let l:z = <SID>rgb_number(a:b)
let l:x = s:get_approximate_rgb_idx(a:r)
let l:y = s:get_approximate_rgb_idx(a:g)
let l:z = s:get_approximate_rgb_idx(a:b)
if l:gx == l:gy && l:gy == l:gz
" there are two possibilities
@@ -340,7 +337,7 @@ delf <SID>rgb
delf <SID>color
delf <SID>rgb_color
delf <SID>rgb_level
delf <SID>rgb_number
delf s:get_approximate_rgb_idx
delf s:get_grey_color_idx
delf s:get_grey_level
delf s:get_approximate_grey_idx