1 files changed, 59 insertions, 0 deletions
diff --git a/dotfiles/.vim/autoload/airline/msdos.vim b/dotfiles/.vim/autoload/airline/msdos.vim
new file mode 100644
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+++ b/dotfiles/.vim/autoload/airline/msdos.vim
@@ -0,0 +1,59 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+" basic 16 msdos from MSDOS
+" see output of color, should be
+"     0    Black
+"     1    DarkBlue
+"     2    DarkGreen
+"     3    DarkCyan
+"     4    DarkRed
+"     5    DarkMagenta
+"     6    Brown
+"     7    LightGray
+"     8    DarkGray
+"     9    Blue
+"     10   Green
+"     11   Cyan
+"     12   Red
+"     13   Magenta
+"     14   Yellow
+"     15   White
+
+let s:basic16 = [
+  \ [ 0x00, 0x00, 0x00 ],
+  \ [ 0x00, 0x00, 0x80 ],
+  \ [ 0x00, 0x80, 0x00 ],
+  \ [ 0x00, 0x80, 0x80 ],
+  \ [ 0x80, 0x00, 0x00 ],
+  \ [ 0x80, 0x00, 0x80 ],
+  \ [ 0x80, 0x80, 0x00 ],
+  \ [ 0xC0, 0xC0, 0xC0 ],
+  \ [ 0x80, 0x80, 0x80 ],
+  \ [ 0x00, 0x00, 0xFF ],
+  \ [ 0x00, 0xFF, 0x00 ],
+  \ [ 0x00, 0xFF, 0xFF ],
+  \ [ 0xFF, 0x00, 0x00 ],
+  \ [ 0xFF, 0x00, 0xFF ],
+  \ [ 0xFF, 0xFF, 0x00 ],
+  \ [ 0xFF, 0xFF, 0xFF ]
+  \ ]
+
+function! airline#msdos#round_msdos_colors(rgblist)
+  " Check for values from MSDOS 16 color terminal
+  let best = []
+  let min  = 100000
+  let list = s:basic16
+  for value in list
+    let t = abs(value[0] - a:rgblist[0]) +
+          \ abs(value[1] - a:rgblist[1]) +
+          \ abs(value[2] - a:rgblist[2])
+    if min > t
+      let min = t
+      let best = value
+    endif
+  endfor
+  return index(s:basic16, best)
+endfunction