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301 lines
8.6 KiB
VimL
301 lines
8.6 KiB
VimL
" twilight256 color scheme file
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" Maintainer: Neal Milstein - neal dot milstein at gmail dot com
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" Last Change: 2011 Feb 1
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"
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" This theme copies the colors from the TextMate theme Twilight.
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"
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" The theme is designed to be used on a black background. I only tested it
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" using a 256-color terminal; I do not think it will work on much else (gvim,
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" 8-color terminal, etc.).
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"
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" The functions in this theme that convert hex color codes to the nearest
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" xterm-256 color number are from the theme desert2 (desert256), developed by Henry So, Jr.
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"
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" The colors of this theme are based on the TextMate Twilight theme
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" – www.macromates.com
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set background=dark
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if version > 580
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" no guarantees for version 5.8 and below, but this makes it stop
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" complaining
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hi clear
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if exists("syntax_on")
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syntax reset
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endif
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endif
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let g:colors_name="twilight256"
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if has("gui_running") || &t_Co == 88 || &t_Co == 256
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" functions {{{
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" returns an approximate grey index for the given grey level
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fun <SID>grey_number(x)
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if &t_Co == 88
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if a:x < 23
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return 0
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elseif a:x < 69
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return 1
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elseif a:x < 103
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return 2
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elseif a:x < 127
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return 3
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elseif a:x < 150
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return 4
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elseif a:x < 173
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return 5
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elseif a:x < 196
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return 6
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elseif a:x < 219
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return 7
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elseif a:x < 243
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return 8
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else
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return 9
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endif
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else
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if a:x < 14
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return 0
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else
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let l:n = (a:x - 8) / 10
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let l:m = (a:x - 8) % 10
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if l:m < 5
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return l:n
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else
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return l:n + 1
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endif
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endif
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endif
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endfun
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" returns the actual grey level represented by the grey index
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fun <SID>grey_level(n)
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if &t_Co == 88
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if a:n == 0
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return 0
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elseif a:n == 1
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return 46
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elseif a:n == 2
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return 92
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elseif a:n == 3
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return 115
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elseif a:n == 4
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return 139
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elseif a:n == 5
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return 162
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elseif a:n == 6
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return 185
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elseif a:n == 7
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return 208
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elseif a:n == 8
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return 231
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else
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return 255
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endif
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else
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if a:n == 0
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return 0
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else
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return 8 + (a:n * 10)
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endif
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endif
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endfun
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" returns the palette index for the given grey index
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fun <SID>grey_color(n)
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if &t_Co == 88
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if a:n == 0
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return 16
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elseif a:n == 9
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return 79
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else
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return 79 + a:n
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endif
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else
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if a:n == 0
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return 16
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elseif a:n == 25
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return 231
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else
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return 231 + a:n
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endif
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endif
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endfun
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" returns an approximate color index for the given color level
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fun <SID>rgb_number(x)
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if &t_Co == 88
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if a:x < 69
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return 0
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elseif a:x < 172
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return 1
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elseif a:x < 230
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return 2
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else
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return 3
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endif
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else
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if a:x < 75
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return 0
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else
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let l:n = (a:x - 55) / 40
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let l:m = (a:x - 55) % 40
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if l:m < 20
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return l:n
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else
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return l:n + 1
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endif
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endif
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endif
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endfun
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" returns the actual color level for the given color index
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fun <SID>rgb_level(n)
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if &t_Co == 88
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if a:n == 0
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return 0
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elseif a:n == 1
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return 139
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elseif a:n == 2
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return 205
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else
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return 255
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endif
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else
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if a:n == 0
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return 0
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else
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return 55 + (a:n * 40)
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endif
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endif
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endfun
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" returns the palette index for the given R/G/B color indices
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fun <SID>rgb_color(x, y, z)
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if &t_Co == 88
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return 16 + (a:x * 16) + (a:y * 4) + a:z
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else
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return 16 + (a:x * 36) + (a:y * 6) + a:z
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endif
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endfun
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" returns the palette index to approximate the given R/G/B color levels
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fun <SID>color(r, g, b)
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" get the closest grey
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let l:gx = <SID>grey_number(a:r)
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let l:gy = <SID>grey_number(a:g)
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let l:gz = <SID>grey_number(a:b)
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" get the closest color
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let l:x = <SID>rgb_number(a:r)
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let l:y = <SID>rgb_number(a:g)
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let l:z = <SID>rgb_number(a:b)
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if l:gx == l:gy && l:gy == l:gz
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" there are two possibilities
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let l:dgr = <SID>grey_level(l:gx) - a:r
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let l:dgg = <SID>grey_level(l:gy) - a:g
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let l:dgb = <SID>grey_level(l:gz) - a:b
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let l:dgrey = (l:dgr * l:dgr) + (l:dgg * l:dgg) + (l:dgb * l:dgb)
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let l:dr = <SID>rgb_level(l:gx) - a:r
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let l:dg = <SID>rgb_level(l:gy) - a:g
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let l:db = <SID>rgb_level(l:gz) - a:b
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let l:drgb = (l:dr * l:dr) + (l:dg * l:dg) + (l:db * l:db)
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if l:dgrey < l:drgb
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" use the grey
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return <SID>grey_color(l:gx)
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else
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" use the color
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return <SID>rgb_color(l:x, l:y, l:z)
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endif
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else
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" only one possibility
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return <SID>rgb_color(l:x, l:y, l:z)
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endif
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endfun
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" returns the palette index to approximate the 'rrggbb' hex string
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fun <SID>rgb(rgb)
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let l:r = ("0x" . strpart(a:rgb, 0, 2)) + 0
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let l:g = ("0x" . strpart(a:rgb, 2, 2)) + 0
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let l:b = ("0x" . strpart(a:rgb, 4, 2)) + 0
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return <SID>color(l:r, l:g, l:b)
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endfun
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" sets the highlighting for the given group
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fun <SID>X(group, fg, bg, attr)
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if a:fg != ""
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exec "hi " . a:group . " guifg=#" . a:fg . " ctermfg=" . <SID>rgb(a:fg)
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endif
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if a:bg != ""
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exec "hi " . a:group . " guibg=#" . a:bg . " ctermbg=" . <SID>rgb(a:bg)
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endif
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if a:attr != ""
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exec "hi " . a:group . " gui=" . a:attr . " cterm=" . a:attr
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endif
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endfun
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" }}}
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call <SID>X("Normal", "ffffff", "", "")
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" highlight groups
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"call <SID>X("Cursor", "708090", "f0e68c", "")
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"CursorIM
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"Directory
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"DiffAdd
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"DiffChange
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"DiffDelete
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"DiffText
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"ErrorMsg
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"call <SID>X("VertSplit", "c2bfa5", "7f7f7f", "reverse")
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"call <SID>X("Folded", "ffd700", "4d4d4d", "")
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"call <SID>X("FoldColumn", "d2b48c", "4d4d4d", "")
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"call <SID>X("IncSearch", "708090", "f0e68c", "")
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call <SID>X("LineNr", "CCCCCC", "", "")
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"call <SID>X("ModeMsg", "D4D4D4", "", "")
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"call <SID>X("MoreMsg", "2e8b57", "", "")
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"call <SID>X("NonText", "addbe7", "000000", "bold")
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"call <SID>X("Question", "00ff7f", "", "")
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"call <SID>X("Search", "f5deb3", "cd853f", "")
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"call <SID>X("SpecialKey", "9acd32", "", "")
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"call <SID>X("StatusLine", "c2bfa5", "000000", "reverse")
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"call <SID>X("StatusLineNC", "c2bfa5", "7f7f7f", "reverse")
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"call <SID>X("Title", "cd5c5c", "", "")
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call <SID>X("Visual", "D3D3D3", "3E3E3E", "reverse")
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"VisualNOS
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"call <SID>X("WarningMsg", "fa8072", "", "")
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"WildMenu
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"Menu
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"Scrollbar
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"Tooltip
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" syntax highlighting groups
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call <SID>X("Comment", "828282", "", "")
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call <SID>X("Constant", "CF6A4C", "", "")
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call <SID>X("Identifier", "7587A6", "", "none")
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call <SID>X("Function", "9B703F", "", "")
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call <SID>X("Define", "CDA869", "", "none")
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call <SID>X("Statement", "CDA869", "", "")
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call <SID>X("String", "8F9D6A", "", "")
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call <SID>X("PreProc", "AFC4DB", "", "")
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call <SID>X("Type", "F9EE98", "", "")
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call <SID>X("Special", "DAEFA3", "", "")
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"Underlined
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call <SID>X("Ignore", "666666", "", "")
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"Error
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call <SID>X("Todo", "ff4500", "eeee00", "")
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" delete functions {{{
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delf <SID>X
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delf <SID>rgb
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delf <SID>color
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delf <SID>rgb_color
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delf <SID>rgb_level
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delf <SID>rgb_number
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delf <SID>grey_color
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delf <SID>grey_level
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delf <SID>grey_number
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" }}}
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endif
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" vim: set fdl=0 fdm=marker:
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