xref: /vim-8.2.3635/src/testdir/color_ramp.vim (revision b4a549fb) 
1" Script to generate a file that shows al 256 xterm colors
2
3new
4let lnum = 1
5
6" | in original color pair to see white background.
7let trail_bar = "\033[m|"
8
9" ANSI colors
10call setline(lnum, 'ANSI background')
11let lnum += 1
12
13let s = ''
14for nr in range(0, 7)
15  let s .= "\033[4" . nr . "m    "
16endfor
17for nr in range(8, 15)
18  let s .= "\033[10" . (nr - 8) . "m    "
19endfor
20let s .= trail_bar
21
22call setline(lnum, s)
23let lnum += 1
24
25" ANSI text colors
26call setline(lnum, 'ANSI text')
27let lnum += 1
28
29let s = ''
30for nr in range(0, 7)
31  let s .= "\033[0;3" . nr . "mxxxx"
32endfor
33for nr in range(8, 15)
34  let s .= "\033[0;9" . (nr - 8) . "mxxxx"
35endfor
36let s .= trail_bar
37
38call setline(lnum, s)
39let lnum += 1
40
41" ANSI with bold text
42call setline(lnum, 'ANSI bold text')
43let lnum += 1
44
45let s = ''
46for nr in range(0, 7)
47  let s .= "\033[1;3" . nr . "mxxxx"
48endfor
49for nr in range(8, 15)
50  let s .= "\033[1;9" . (nr - 8) . "mxxxx"
51endfor
52let s .= trail_bar
53
54call setline(lnum, s)
55let lnum += 1
56
57" 6 x 6 x 6 color cube
58call setline(lnum, 'color cube')
59let lnum += 1
60
61for high in range(0, 5)
62  let s = ''
63  for low in range(0, 35)
64    let nr = low + high * 36
65    let s .= "\033[48;5;" . (nr + 16) . "m  "
66  endfor
67  let s .= trail_bar
68  call setline(lnum + high, s)
69endfor
70let lnum += 6
71
72" 24 shades of grey
73call setline(lnum, 'grey ramp')
74let lnum += 1
75
76let s = ''
77for nr in range(0, 23)
78    let s .= "\033[48;5;" . (nr + 232) . "m   "
79endfor
80let s .= trail_bar
81call setline(lnum, s)
82
83set binary
84write! <sfile>:h/color_ramp.txt
85quit
86