diff --git a/install.sh b/install.sh index 5fc65e1..447e437 100755 --- a/install.sh +++ b/install.sh @@ -31,6 +31,8 @@ function install_vimrc { function setup_vim { ln -s $DOTFILES/my_configs.vim $HOME/.vim_runtime/my_configs.vim + mkdir -p ~/.vim/colors + ln -s $DOTFILES/twilight256.vim ~/.vim/colors/ } # Add an ssh config file with: diff --git a/twilight256.vim b/twilight256.vim new file mode 100644 index 0000000..41302e9 --- /dev/null +++ b/twilight256.vim @@ -0,0 +1,300 @@ +" twilight256 color scheme file +" Maintainer: Neal Milstein - neal dot milstein at gmail dot com +" Last Change: 2011 Feb 1 +" +" This theme copies the colors from the TextMate theme Twilight. +" +" The theme is designed to be used on a black background. I only tested it +" using a 256-color terminal; I do not think it will work on much else (gvim, +" 8-color terminal, etc.). +" +" The functions in this theme that convert hex color codes to the nearest +" xterm-256 color number are from the theme desert2 (desert256), developed by Henry So, Jr. +" +" The colors of this theme are based on the TextMate Twilight theme +" – www.macromates.com + +set background=dark +if version > 580 + " no guarantees for version 5.8 and below, but this makes it stop + " complaining + hi clear + if exists("syntax_on") + syntax reset + endif +endif +let g:colors_name="twilight256" + +if has("gui_running") || &t_Co == 88 || &t_Co == 256 + " 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 != "" + exec "hi " . a:group . " gui=" . a:attr . " cterm=" . a:attr + endif + endfun + " }}} + + call X("Normal", "ffffff", "", "") + + " highlight groups + "call X("Cursor", "708090", "f0e68c", "") + "CursorIM + "Directory + "DiffAdd + "DiffChange + "DiffDelete + "DiffText + "ErrorMsg + "call X("VertSplit", "c2bfa5", "7f7f7f", "reverse") + "call X("Folded", "ffd700", "4d4d4d", "") + "call X("FoldColumn", "d2b48c", "4d4d4d", "") + "call X("IncSearch", "708090", "f0e68c", "") + call X("LineNr", "CCCCCC", "", "") + "call X("ModeMsg", "D4D4D4", "", "") + "call X("MoreMsg", "2e8b57", "", "") + "call X("NonText", "addbe7", "000000", "bold") + "call X("Question", "00ff7f", "", "") + "call X("Search", "f5deb3", "cd853f", "") + "call X("SpecialKey", "9acd32", "", "") + "call X("StatusLine", "c2bfa5", "000000", "reverse") + "call X("StatusLineNC", "c2bfa5", "7f7f7f", "reverse") + "call X("Title", "cd5c5c", "", "") + call X("Visual", "D3D3D3", "3E3E3E", "reverse") + "VisualNOS + "call X("WarningMsg", "fa8072", "", "") + "WildMenu + "Menu + "Scrollbar + "Tooltip + + " syntax highlighting groups + call X("Comment", "828282", "", "") + call X("Constant", "CF6A4C", "", "") + call X("Identifier", "7587A6", "", "none") + call X("Function", "9B703F", "", "") + call X("Define", "CDA869", "", "none") + call X("Statement", "CDA869", "", "") + call X("String", "8F9D6A", "", "") + call X("PreProc", "AFC4DB", "", "") + call X("Type", "F9EE98", "", "") + call X("Special", "DAEFA3", "", "") + "Underlined + call X("Ignore", "666666", "", "") + "Error + call X("Todo", "ff4500", "eeee00", "") + + " 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 + " }}} +endif + +" vim: set fdl=0 fdm=marker: