53 lines
1.5 KiB
VimL
53 lines
1.5 KiB
VimL
" =============================================================================
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" Filename: autoload/lightline/colortable.vim
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" Author: itchyny
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" License: MIT License
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" Last Change: 2020/06/19 11:07:13.
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" =============================================================================
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let s:save_cpo = &cpo
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set cpo&vim
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function! s:load() abort
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let rgbfile = $VIMRUNTIME . '/rgb.txt'
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let table = {}
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if filereadable(rgbfile)
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for _ in map(filter(readfile(rgbfile), 'v:val !~# "^!"'), 'matchlist(v:val, "^\\s*\\(\\d\\+\\)\\s\\+\\(\\d\\+\\)\\s\\+\\(\\d\\+\\)\\s\\+\\(.*\\)")[1:4]')
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let table[tolower(_[3])] = _[0:2]
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endfor
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endif
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return table
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endfunction
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let s:table = s:load()
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function! lightline#colortable#name_to_rgb(name) abort
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let name = tolower(a:name)
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return has_key(s:table, name) ? s:table[name] : []
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endfunction
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function! lightline#colortable#gui2cui(rgb, fallback) abort
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let rgb = map(matchlist(a:rgb, '#\(..\)\(..\)\(..\)')[1:3], '0 + ("0x".v:val)')
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if len(rgb) == 0
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let rgb = lightline#colortable#name_to_rgb(a:rgb)
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if len(rgb) == 0
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return a:fallback % 128
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endif
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endif
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let rgb = [rgb[0] > 127 ? 4 : 0, rgb[1] > 127 ? 2 : 0, rgb[2] > 127 ? 1 : 0]
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return rgb[0] + rgb[1] + rgb[2]
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endfunction
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function! lightline#colortable#gui2cui_palette(palette) abort
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for u in values(a:palette)
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for v in values(u)
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for w in v
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let [w[2], w[3]] = [lightline#colortable#gui2cui(w[0], w[2]), lightline#colortable#gui2cui(w[1], w[3])]
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endfor
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endfor
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endfor
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endfunction
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let &cpo = s:save_cpo
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unlet s:save_cpo
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