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" Vim color file
" Maintainer: David Liang (bmdavll at gmail dot com)
" Last Change: November 28 2008
"
" wombat256.vim - a modified version of Wombat by Lars Nielsen that also
" works on xterms with 88 or 256 colors. The algorithm for approximating the
" GUI colors with the xterm palette is from desert256.vim by Henry So Jr.
set background=dark
if version > 580
hi clear
if exists("syntax_on")
syntax reset
endif
endif
let g:colors_name = "wombat256"
if !has("gui_running") && &t_Co != 88 && &t_Co != 256
finish
endif
" functions {{{
" returns an approximate grey index for the given grey level
fun <SID>grey_number(x)
if &t_Co == 88
if a:x < 23
return 0
elseif a:x < 69
return 1
elseif a:x < 103
return 2
elseif a:x < 127
return 3
elseif a:x < 150
return 4
elseif a:x < 173
return 5
elseif a:x < 196
return 6
elseif a:x < 219
return 7
elseif a:x < 243
return 8
else
return 9
endif
else
if a:x < 14
return 0
else
let l:n = (a:x - 8) / 10
let l:m = (a:x - 8) % 10
if l:m < 5
return l:n
else
return l:n + 1
endif
endif
endif
endfun
" returns the actual grey level represented by the grey index
fun <SID>grey_level(n)
if &t_Co == 88
if a:n == 0
return 0
elseif a:n == 1
return 46
elseif a:n == 2
return 92
elseif a:n == 3
return 115
elseif a:n == 4
return 139
elseif a:n == 5
return 162
elseif a:n == 6
return 185
elseif a:n == 7
return 208
elseif a:n == 8
return 231
else
return 255
endif
else
if a:n == 0
return 0
else
return 8 + (a:n * 10)
endif
endif
endfun
" returns the palette index for the given grey index
fun <SID>grey_color(n)
if &t_Co == 88
if a:n == 0
return 16
elseif a:n == 9
return 79
else
return 79 + a:n
endif
else
if a:n == 0
return 16
elseif a:n == 25
return 231
else
return 231 + a:n
endif
endif
endfun
" returns an approximate color index for the given color level
fun <SID>rgb_number(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
endif
endif
endif
endfun
" returns the actual color level for the given color index
fun <SID>rgb_level(n)
if &t_Co == 88
if a:n == 0
return 0
elseif a:n == 1
return 139
elseif a:n == 2
return 205
else
return 255
endif
else
if a:n == 0
return 0
else
return 55 + (a:n * 40)
endif
endif
endfun
" returns the palette index for the given R/G/B color indices
fun <SID>rgb_color(x, y, z)
if &t_Co == 88
return 16 + (a:x * 16) + (a:y * 4) + a:z
else
return 16 + (a:x * 36) + (a:y * 6) + a:z
endif
endfun
" returns the palette index to approximate the given R/G/B color levels
fun <SID>color(r, g, b)
" get the closest grey
let l:gx = <SID>grey_number(a:r)
let l:gy = <SID>grey_number(a:g)
let l:gz = <SID>grey_number(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)
if l:gx == l:gy && l:gy == l:gz
" there are two possibilities
let l:dgr = <SID>grey_level(l:gx) - a:r
let l:dgg = <SID>grey_level(l:gy) - a:g
let l:dgb = <SID>grey_level(l:gz) - a:b
let l:dgrey = (l:dgr * l:dgr) + (l:dgg * l:dgg) + (l:dgb * l:dgb)
let l:dr = <SID>rgb_level(l:gx) - a:r
let l:dg = <SID>rgb_level(l:gy) - a:g
let l:db = <SID>rgb_level(l:gz) - a:b
let l:drgb = (l:dr * l:dr) + (l:dg * l:dg) + (l:db * l:db)
if l:dgrey < l:drgb
" use the grey
return <SID>grey_color(l:gx)
else
" use the color
return <SID>rgb_color(l:x, l:y, l:z)
endif
else
" only one possibility
return <SID>rgb_color(l:x, l:y, l:z)
endif
endfun
" returns the palette index to approximate the 'rrggbb' hex string
fun <SID>rgb(rgb)
let l:r = ("0x" . strpart(a:rgb, 0, 2)) + 0
let l:g = ("0x" . strpart(a:rgb, 2, 2)) + 0
let l:b = ("0x" . strpart(a:rgb, 4, 2)) + 0
return <SID>color(l:r, l:g, l:b)
endfun
" sets the highlighting for the given group
fun <SID>X(group, fg, bg, attr)
if a:fg != ""
exec "hi ".a:group." guifg=#".a:fg." ctermfg=".<SID>rgb(a:fg)
endif
if a:bg != ""
exec "hi ".a:group." guibg=#".a:bg." ctermbg=".<SID>rgb(a:bg)
endif
if a:attr != ""
if a:attr == 'italic'
exec "hi ".a:group." gui=".a:attr." cterm=none"
else
exec "hi ".a:group." gui=".a:attr." cterm=".a:attr
endif
endif
endfun
" }}}
call <SID>X("Normal", "cccccc", "242424", "none")
call <SID>X("Cursor", "222222", "ecee90", "none")
call <SID>X("CursorLine", "", "32322e", "none")
call <SID>X("CursorColumn", "", "2d2d2d", "")
"CursorIM
"Question
"IncSearch
call <SID>X("Search", "444444", "af87d7", "")
call <SID>X("MatchParen", "ecee90", "857b6f", "bold")
call <SID>X("SpecialKey", "6c6c6c", "2d2d2d", "none")
call <SID>X("Visual", "ecee90", "597418", "none")
call <SID>X("LineNr", "857b6f", "121212", "none")
call <SID>X("Folded", "a0a8b0", "404048", "none")
call <SID>X("Title", "f6f3e8", "", "bold")
call <SID>X("VertSplit", "444444", "444444", "none")
call <SID>X("StatusLine", "f6f3e8", "444444", "italic")
call <SID>X("StatusLineNC", "857b6f", "444444", "none")
"Scrollbar
"Tooltip
"Menu
"WildMenu
call <SID>X("Pmenu", "f6f3e8", "444444", "")
call <SID>X("PmenuSel", "121212", "caeb82", "")
call <SID>X("WarningMsg", "ff0000", "", "")
"ErrorMsg
"ModeMsg
"MoreMsg
"Directory
"DiffAdd
"DiffChange
"DiffDelete
"DiffText
" syntax highlighting
call <SID>X("Number", "e5786d", "", "none")
call <SID>X("Constant", "e5786d", "", "none")
call <SID>X("String", "95e454", "", "italic")
call <SID>X("Comment", "c0bc6c", "", "italic")
call <SID>X("Identifier", "caeb82", "", "none")
call <SID>X("Keyword", "87afff", "", "none")
call <SID>X("Statement", "87afff", "", "none")
call <SID>X("Function", "caeb82", "", "none")
call <SID>X("PreProc", "e5786d", "", "none")
call <SID>X("Type", "caeb82", "", "none")
call <SID>X("Special", "ffdead", "", "none")
call <SID>X("Todo", "857b6f", "", "italic")
"Underlined
"Error
"Ignore
hi! link VisualNOS Visual
hi! link NonText LineNr
hi! link FoldColumn Folded
" delete functions {{{
delf <SID>X
delf <SID>rgb
delf <SID>color
delf <SID>rgb_color
delf <SID>rgb_level
delf <SID>rgb_number
delf <SID>grey_color
delf <SID>grey_level
delf <SID>grey_number
" }}}
" vim:set ts=4 sw=4 noet fdm=marker:
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