1#!/bin/sh
2# $XTermId: 8colors.sh,v 1.23 2022/04/24 23:36:20 tom Exp $
3# -----------------------------------------------------------------------------
4# this file is part of xterm
5#
6# Copyright 1999-2021,2022 by Thomas E. Dickey
7#
8#                         All Rights Reserved
9#
10# Permission is hereby granted, free of charge, to any person obtaining a
11# copy of this software and associated documentation files (the
12# "Software"), to deal in the Software without restriction, including
13# without limitation the rights to use, copy, modify, merge, publish,
14# distribute, sublicense, and/or sell copies of the Software, and to
15# permit persons to whom the Software is furnished to do so, subject to
16# the following conditions:
17#
18# The above copyright notice and this permission notice shall be included
19# in all copies or substantial portions of the Software.
20#
21# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
25# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28#
29# Except as contained in this notice, the name(s) of the above copyright
30# holders shall not be used in advertising or otherwise to promote the
31# sale, use or other dealings in this Software without prior written
32# authorization.
33# -----------------------------------------------------------------------------
34# Show a simple 8-color test pattern
35
36ESC=""
37CSI="${ESC}["
38CMD='/bin/echo'
39OPT='-n'
40SUF=''
41: "${TMPDIR=/tmp}"
42TMP=`(mktemp "$TMPDIR/xterm.XXXXXXXX") 2>/dev/null` || TMP="$TMPDIR/xterm$$"
43eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
44{ test ! -f "$TMP" || test -s "$TMP"; } &&
45for verb in "printf" "print" ; do
46    rm -f "$TMP"
47    eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
48    if test -f "$TMP" ; then
49	if test ! -s "$TMP" ; then
50	    CMD="$verb"
51	    OPT=
52	    SUF='\c'
53	    break
54	fi
55    fi
56done
57rm -f "$TMP"
58
59trap '$CMD $OPT "${CSI}0m"; exit 1' 1 2 3 15
60trap '$CMD $OPT "${CSI}0m"' 0
61
62echo "${CSI}0m"
63while true
64do
65    for AT in 0 1 4 7
66    do
67    	case $AT in
68	0) attr="normal  ";;
69	1) attr="bold    ";;
70	4) attr="under   ";;
71	7) attr="reverse ";;
72	esac
73	for FG in 0 1 2 3 4 5 6 7
74	do
75	    case $FG in
76	    0) fcolor="black   ";;
77	    1) fcolor="red     ";;
78	    2) fcolor="green   ";;
79	    3) fcolor="yellow  ";;
80	    4) fcolor="blue    ";;
81	    5) fcolor="magenta ";;
82	    6) fcolor="cyan    ";;
83	    7) fcolor="white   ";;
84	    esac
85	    $CMD $OPT "${CSI}0;${AT}m$attr${SUF}"
86	    $CMD $OPT "${CSI}3${FG}m$fcolor${SUF}"
87	    for BG in 1 2 3 4 5 6 7
88	    do
89		case $BG in
90		0) bcolor="black   ";;
91		1) bcolor="red     ";;
92		2) bcolor="green   ";;
93		3) bcolor="yellow  ";;
94		4) bcolor="blue    ";;
95		5) bcolor="magenta ";;
96		6) bcolor="cyan    ";;
97		7) bcolor="white   ";;
98		esac
99		$CMD $OPT "${CSI}4${BG}m$bcolor${SUF}"
100	    done
101	    echo "${CSI}0m"
102	done
103	sleep 1
104    done
105done
106