+++ /dev/null
-" guicolorscheme.vim: Convert GUI only color schems
-"
-" Maintainer: Aaron Griffin <aaron@archlinux.org>
-" Last Modified: Mon Feb 26 22:52:34 UTC 2007
-" Version: 1.2
-" URL: http://www.vim.org/script.php?script_id=39
-"
-" Convert a GUI-only colorscheme to support 88 and 256 color terminals
-" This should also work on the GUI, so using it 100% of the time, assuming
-" you always have a non 8/16 color terminal should work fine
-
-" conversion functions {{{
-" canibalized from desert256.vim
-
-function! s:greynum(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
-endfunction "}}}
-function! s:greylvl(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
-endfunction "}}}
-function! s:grey(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
-endfunction "}}}
-
-function! s:rgbnum(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
-endfunction "}}}
-function! s:rgblvl(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
-endfunction "}}}
-function! s:rgb(r, g, b) "{{{
- if &t_Co == 88
- return 16 + (a:r * 16) + (a:g * 4) + a:b
- else
- return 16 + (a:r * 36) + (a:g * 6) + a:b
- endif
-endfunction "}}}
-
-function! s:color(r, g, b) "{{{
- " get the closest grey
- let l:gx = s:greynum(a:r)
- let l:gy = s:greynum(a:g)
- let l:gz = s:greynum(a:b)
-
- " get the closest color
- let l:x = s:rgbnum(a:r)
- let l:y = s:rgbnum(a:g)
- let l:z = s:rgbnum(a:b)
-
- let l:level = (a:r * a:r) + (a:g * a:g) + (a:b * a:b)
- if l:gx == l:gy && l:gy == l:gz
- " there are two possibilities
- let l:dgr = s:greylvl(l:gx)
- let l:dgg = s:greylvl(l:gy)
- let l:dgb = s:greylvl(l:gz)
- let l:dgrey = (l:dgr * l:dgr) + (l:dgg * l:dgg) + (l:dgb * l:dgb) - l:level
-
- let l:dr = s:rgblvl(l:gx)
- let l:dg = s:rgblvl(l:gy)
- let l:db = s:rgblvl(l:gz)
- let l:drgb = (l:dr * l:dr) + (l:dg * l:dg) + (l:db * l:db) - l:level
-
- if l:dgrey < l:drgb
- " use the grey
- return s:grey(l:gx)
- else
- " use the color
- return s:rgb(l:x, l:y, l:z)
- endif
- else
- " only one possibility
- return s:rgb(l:x, l:y, l:z)
- endif
-endfunction "}}}
-function! s:cindex(rgb) "{{{
- "convert RRGGBB to a terminal (numeric) index
- 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:color(l:r, l:g, l:b)
-endfunction "}}}
-
-function! s:HL(group, fg, bg, attr) "{{{
- "The main highlight (HL) function
- exec "hi clear " . a:group
- if a:fg != ""
- exec "hi " . a:group . " guifg=#" . a:fg . " ctermfg=" . s:cindex(a:fg)
- endif
- if a:bg != ""
- exec "hi " . a:group . " guibg=#" . a:bg . " ctermbg=" . s:cindex(a:bg)
- endif
- if a:attr != ""
- exec "hi " . a:group . " gui=" . a:attr . " cterm=" . a:attr
- endif
-endfunction "}}}
-
-"}}}
-
-" Completion Helpers {{{
-function! s:Colorscheme_Complete(A,L,P)
- let l:files = split(globpath(&runtimepath, "colors/" . a:A . "*"), "\n")
- let l:retlist = []
- for file in l:files
- let l:basename = substitute(file, ".*/", "", "")
- let l:basename = substitute(l:basename, "\.vim", "", "")
- call add(l:retlist, l:basename)
- endfor
- return l:retlist
-endfunction
-
-function! s:GetColorschemeFile(fname)
- let l:files = split(globpath(&runtimepath, "colors/" . a:fname . ".vim"), "\n")
- if len(l:files) == 0
- echoerr "Colorscheme ".a:fname." not found"
- return ""
- else
- return l:files[0]
- endif
-endfunction
-
-command! -complete=customlist,s:Colorscheme_Complete -nargs=1 GuiColorScheme :call s:GuiColorScheme("<args>")
-" }}}
-
-function! s:GuiColorScheme(fname)
- let l:file = s:GetColorschemeFile(a:fname)
- if l:file == ""
- return 1
- endif
-
- if has("gui_running")
- exec "colorscheme " . l:file
- return 0
- endif
-
- for line in readfile(l:file)
- if line =~ '\s*hi'
- let l:name = ""
- let l:fg = ""
- let l:bg = ""
- let l:attr = ""
-
- " get highlight name
- let l:start = match(line, "hi")
- let l:end = match(line, "[ \t]", l:start)
- let l:start = l:end +1
- let l:end = match(line, "[ \t]", l:start)
- let l:name = strpart(line, l:start, l:end - l:start)
-
- " strip foreground color
- let l:start = match(line, "guifg=")
- if l:start != -1
- let l:start = l:start + 6 "strlen(guifg=)
- let l:end = match(line, "[ \t]", l:start)
- if l:end == -1
- let l:fg = strpart(line, l:start)
- else
- let l:fg = strpart(line, l:start, l:end - l:start)
- endif
- if strpart(l:fg, 0, 1) == "#"
- let l:fg = strpart(l:fg, 1)
- endif
- endif
-
- " strip background color
- let l:start = match(line, "guibg=")
- if l:start != -1
- let l:start = l:start + 6 "strlen(guibg=)
- let l:end = match(line, "[ \t]", l:start)
- if l:end == -1
- let l:bg = strpart(line, l:start)
- else
- let l:bg = strpart(line, l:start, l:end - l:start)
- endif
- if strpart(l:bg, 0, 1) == "#"
- let l:bg = strpart(l:bg, 1)
- endif
- endif
-
- " strip attribute
- let l:start = match(line, "gui=")
- if l:start != -1
- let l:start = l:start + 4 "strlen(gui=)
- let l:end = match(line, "[ \t]", l:start)
- if l:end == -1
- let l:attr = strpart(line, l:start)
- else
- let l:attr = strpart(line, l:start, l:end - l:start)
- endif
- endif
-
- call s:HL(l:name, l:fg, l:bg, l:attr)
- endif
- endfor
-endfunction
-
-" vim:ft=vim:fdl=0:fdm=marker:ts=4:sw=4
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