" Vim color file " Maintainer: Roman 'gryf' Dobosz " Last Change: 2021-01-19 " " wombat256grf.vim - a heavily modified version of Wombat by Lars Nielsen (at " al) that also works on xterms with 256 colors. Instead of hard coding colors " for the terminal, algorithm for approximating the GUI colors with the xterm " palette was used. " Approximation function was taken from desert256.vim by Henry So Jr. set background=dark hi clear if exists("syntax_on") syntax reset endif let g:colors_name = "wombat256grf" " Run this colorscheme only for Gvim or vim in terminal which support 256 " colors. if !has("gui_running") && &t_Co != 256 finish endif " Italic only in gui and only where font is not fixed-misc. let s:italic = "none" if has("gui_running") && &guifont !~ "Fixed" let s:italic = "italic" endif " functions {{{ " Returns an approximate grey index for the given grey level. fun s:get_approximate_grey_idx(x) if a:x < 14 return 0 endif let l:n = (a:x - 8) / 10 let l:m = (a:x - 8) % 10 return l:m <5 ? l:n : l:n + 1 endfun " Returns the actual grey level represented by the grey index. fun s:get_grey_level(n) return a:n == 0 ? 0 : 8 + (a:n * 10) endfun " Returns the palette index for the given grey index. fun s:get_grey_color_idx(n) let l:grey_map = {0: 16, 25: 231} let l:default = 231 + a:n return get(l:grey_map, a:n, l:default) endfun " Returns an approximate color index for the given color level. fun s:get_approximate_rgb_idx(x) if a:x < 75 return 0 endif let l:n = (a:x - 55) / 40 let l:m = (a:x - 55) % 40 return l:m < 20 ? l:n : l:n + 1 endfun " Returns the actual color level for the given color index. fun s:get_rgb_level(n) return a:n == 0 ? 0 : 55 + (a:n * 40) endfun " Returns the palette index for the given R/G/B color indices. fun s:get_rgb_idx(x, y, z) return 16 + (a:x * 36) + (a:y * 6) + a:z endfun " Returns the palette index to approximate the given R/G/B color levels. fun s:get_color(r, g, b) " get the closest grey let l:gx = s:get_approximate_grey_idx(a:r) let l:gy = s:get_approximate_grey_idx(a:g) let l:gz = s:get_approximate_grey_idx(a:b) " get the closest color 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 let l:dgr = s:get_grey_level(l:gx) - a:r let l:dgg = s:get_grey_level(l:gy) - a:g let l:dgb = s:get_grey_level(l:gz) - a:b let l:dgrey = (l:dgr * l:dgr) + (l:dgg * l:dgg) + (l:dgb * l:dgb) let l:dr = s:get_rgb_level(l:gx) - a:r let l:dg = s:get_rgb_level(l:gy) - a:g let l:db = s:get_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 s:get_grey_color_idx(l:gx) endif " use the color return s:get_rgb_idx(l:x, l:y, l:z) endif " only one possibility return s:get_rgb_idx(l:x, l:y, l:z) endfun " Returns the palette index to approximate the 'rrggbb' hex string. fun s:get_rgb_as_index(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 s:get_color(l:r, l:g, l:b) endfun " Sets the highlighting for the given group. fun s:hi(group, fg, bg, attr, special) let l:cmd = "highlight " . a:group if a:fg != "" let l:cmd .= " guifg=#" . a:fg . " ctermfg=" . s:get_rgb_as_index(a:fg) endif if a:bg != "" if a:special != "" let l:cmd .= " guisp=#" . a:bg . " ctermbg=" . \s:get_rgb_as_index(a:bg) . " gui=" . a:special else let l:cmd .= " guibg=#" . a:bg . " ctermbg=" . \s:get_rgb_as_index(a:bg) endif endif if a:attr != "" if a:attr == 'italic' let l:cmd .= " gui=" . a:attr . " cterm=none" else let l:cmd .= " gui=" . a:attr . " cterm=" . a:attr endif endif exec l:cmd endfun " }}} " Colors {{{ " should be in format (columns should be preserved): " call s:hi('Group name', 'fg rgb', 'bg rgb', 'attr', 'special') " " non-syntax items, interface, etc call s:hi("Normal", "dddddd", "242424", "none", "") call s:hi("NonText", "4c4c36", "", "none", "") call s:hi("Cursor", "222222", "ecee90", "none", "") call s:hi("CursorLine", "", "32322e", "none", "") call s:hi("CursorLineNr", "caeb82", "", "bold", "") hi link CursorColumn CursorLine call s:hi("ColorColumn", "", "2d2d2d", "", "") call s:hi("Search", "444444", "ffab4b", "", "") call s:hi("MatchParen", "ecee90", "857b6f", "bold", "") call s:hi("SpecialKey", "6c6c6c", "2d2d2d", "none", "") call s:hi("Visual", "", "26512D", "none", "") call s:hi("LineNr", "857b6f", "121212", "none", "") call s:hi("SignColumn", "", "121212", "none", "") call s:hi("Folded", "a0a8b0", "404048", "none", "") call s:hi("Title", "f6f3e8", "", "bold", "") call s:hi("VertSplit", "444444", "444444", "none", "") call s:hi("StatusLine", "f6f3e8", "444444", s:italic, "") call s:hi("StatusLineNC", "857b6f", "444444", "none", "") call s:hi("Pmenu", "f6f3e8", "444444", "", "") call s:hi("PmenuSel", "121212", "caeb82", "", "") call s:hi("WarningMsg", "ff0000", "", "", "") hi! link VisualNOS Visual hi! link FoldColumn Folded hi! link TabLineSel StatusLine hi! link TabLineFill StatusLineNC hi! link TabLine StatusLineNC call s:hi("TabLineSel", "f6f3e8", "", "none", "") " syntax highlighting call s:hi("Comment", "99968b", "", s:italic, "") call s:hi("Constant", "e5786d", "", "none", "") call s:hi("String", "95e454", "", s:italic, "") "Character "Number "Boolean "Float call s:hi("Identifier", "caeb82", "", "none", "") call s:hi("Function", "caeb82", "", "none", "") call s:hi("Statement", "87afff", "", "none", "") "Conditional "Repeat "Label "Operator call s:hi("Keyword", "87afff", "", "none", "") "Exception call s:hi("PreProc", "e5786d", "", "none", "") "Include "Define "Macro "PreCondit call s:hi("Type", "caeb82", "", "none", "") "StorageClass "Structure "Typedef call s:hi("Special", "ffdead", "", "none", "") "SpecialChar "Tag "Delimiter "SpecialComment "Debug "Underlined "Ignore call s:hi("Error", "bbbbbb", "aa0000", s:italic, "") call s:hi("Todo", "666666", "aaaa00", s:italic, "") " Diff call s:hi("DiffAdd", "", "505450", "bold", "") call s:hi("DiffText", "", "673400", "bold", "") call s:hi("DiffDelete", "343434", "101010", "bold", "") call s:hi("DiffChange", "", "53402d", "bold", "") " Spellchek " Spell, make it underline, and less bright colors. only for terminal call s:hi("SpellBad", "", "881000", "", "undercurl") call s:hi("SpellCap", "", "003288", "", "undercurl") call s:hi("SpellRare", "", "73009F", "", "undercurl") call s:hi("SpellLocal", "", "A0CC00", "", "undercurl") " Plugins: " ShowMarks call s:hi("ShowMarksHLl", "ab8042", "121212", "bold", "") call s:hi("ShowMarksHLu", "aaab42", "121212", "bold", "") call s:hi("ShowMarksHLo", "42ab47", "121212", "bold", "") call s:hi("ShowMarksHLm", "aaab42", "121212", "bold", "") " Syntastic call s:hi("SyntasticError", "", "880000", "", "undercurl") call s:hi("SyntasticWarning", "", "886600", "", "undercurl") call s:hi("SyntasticStyleError", "", "ff6600", "", "undercurl") call s:hi("SyntasticStyleWarning", "", "ffaa00", "", "undercurl") call s:hi("SyntasticErrorSign", "", "880000", "", "") call s:hi("SyntasticWarningSign", "", "886600", "", "") call s:hi("SyntasticStyleErrorSign", "", "ff6600", "", "") call s:hi("SyntasticStyleWarningSign", "", "ffaa00", "", "") " }}} " delete functions {{{ delf s:hi delf s:get_rgb_as_index delf s:get_color delf s:get_rgb_idx delf s:get_rgb_level delf s:get_approximate_rgb_idx delf s:get_grey_color_idx delf s:get_grey_level delf s:get_approximate_grey_idx " }}} " vim:set ts=4 sw=4 sts=4 fdm=marker: