" 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 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 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 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 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 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 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 color(r, g, b) " get the closest grey let l:gx = grey_number(a:r) let l:gy = grey_number(a:g) let l:gz = grey_number(a:b) " get the closest color let l:x = rgb_number(a:r) let l:y = rgb_number(a:g) let l:z = rgb_number(a:b) if l:gx == l:gy && l:gy == l:gz " there are two possibilities let l:dgr = grey_level(l:gx) - a:r let l:dgg = grey_level(l:gy) - a:g let l:dgb = grey_level(l:gz) - a:b let l:dgrey = (l:dgr * l:dgr) + (l:dgg * l:dgg) + (l:dgb * l:dgb) let l:dr = rgb_level(l:gx) - a:r let l:dg = rgb_level(l:gy) - a:g let l:db = 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 grey_color(l:gx) else " use the color return rgb_color(l:x, l:y, l:z) endif else " only one possibility return rgb_color(l:x, l:y, l:z) endif endfun " returns the palette index to approximate the 'rrggbb' hex string fun 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 color(l:r, l:g, l:b) endfun " sets the highlighting for the given group fun X(group, fg, bg, attr) if a:fg != "" exec "hi ".a:group." guifg=#".a:fg." ctermfg=".rgb(a:fg) endif if a:bg != "" exec "hi ".a:group." guibg=#".a:bg." ctermbg=".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 X("Normal", "cccccc", "000000", "none") call X("Cursor", "222222", "ecee90", "none") call X("CursorLine", "", "32322e", "none") call X("CursorColumn", "", "2d2d2d", "") "CursorIM "Question "IncSearch call X("Search", "444444", "af87d7", "") call X("MatchParen", "ecee90", "857b6f", "bold") call X("SpecialKey", "6c6c6c", "000000", "none") call X("NonText", "6c6c6c", "000000", "none") call X("Visual", "ecee90", "597418", "none") call X("LineNr", "857b6f", "121212", "none") call X("Folded", "a0a8b0", "404048", "none") call X("Title", "f6f3e8", "", "bold") call X("VertSplit", "444444", "444444", "none") call X("StatusLine", "f6f3e8", "444444", "italic") call X("StatusLineNC", "857b6f", "444444", "none") "Scrollbar "Tooltip "Menu "WildMenu call X("Pmenu", "f6f3e8", "444444", "") call X("PmenuSel", "121212", "caeb82", "") call X("WarningMsg", "ff0000", "", "") "ErrorMsg "ModeMsg "MoreMsg "Directory "DiffAdd "DiffChange "DiffDelete "DiffText " syntax highlighting call X("Number", "e5786d", "", "none") call X("Constant", "e5786d", "", "none") call X("String", "95e454", "", "italic") call X("Comment", "c0bc6c", "", "italic") call X("Identifier", "caeb82", "", "none") call X("Keyword", "87afff", "", "none") call X("Statement", "87afff", "", "none") call X("Function", "caeb82", "", "none") call X("PreProc", "e5786d", "", "none") call X("Type", "caeb82", "", "none") call X("Special", "ffdead", "", "none") call X("Todo", "857b6f", "", "italic") "Underlined "Error "Ignore hi! link VisualNOS Visual "hi! link NonText LineNr hi! link FoldColumn Folded " delete functions {{{ delf X delf rgb delf color delf rgb_color delf rgb_level delf rgb_number delf grey_color delf grey_level delf grey_number " }}} " vim:set ts=4 sw=4 noet fdm=marker: