1#!/bin/sh
2# $XTermId: 16colors.sh,v 1.22 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 16-color test pattern.  It is a little more confusing than
35# 8colors.sh, since everything is abbreviated to fit on an 80-column line.
36# The high (8-15) combinations for foreground or background are marked with
37# a '+' sign.
38
39ESC=""
40CSI="${ESC}["
41CMD='/bin/echo'
42OPT='-n'
43SUF=''
44: "${TMPDIR=/tmp}"
45TMP=`(mktemp "$TMPDIR/xterm.XXXXXXXX") 2>/dev/null` || TMP="$TMPDIR/xterm$$"
46eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
47{ test ! -f "$TMP" || test -s "$TMP"; } &&
48for verb in "printf" "print" ; do
49    rm -f "$TMP"
50    eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
51    if test -f "$TMP" ; then
52	if test ! -s "$TMP" ; then
53	    CMD="$verb"
54	    OPT=
55	    SUF='\c'
56	    break
57	fi
58    fi
59done
60rm -f "$TMP"
61
62trap '$CMD "${CSI}0m"; exit 1' 1 2 3 15
63trap '$CMD "${CSI}0m"' 0
64
65echo "${CSI}0m"
66while true
67do
68    for AT in 0 1 4 7
69    do
70    	case $AT in
71	0) attr="   ";;
72	1) attr="BO ";;
73	4) attr="UN ";;
74	7) attr="RV ";;
75	esac
76	for FG in 0 1 2 3 4 5 6 7
77	do
78	    case $FG in
79	    0) fcolor="BLK ";;
80	    1) fcolor="RED ";;
81	    2) fcolor="GRN ";;
82	    3) fcolor="YEL ";;
83	    4) fcolor="BLU ";;
84	    5) fcolor="MAG ";;
85	    6) fcolor="CYN ";;
86	    7) fcolor="WHT ";;
87	    esac
88	    for HI in 3 9
89	    do
90	    	if test $HI = 3 ; then
91		    color=" $fcolor"
92		else
93		    color="+$fcolor"
94		fi
95		$CMD $OPT "${CSI}0;${AT}m$attr$SUF"
96		$CMD $OPT "${CSI}${HI}${FG}m$color$SUF"
97		for BG in 1 2 3 4 5 6 7
98		do
99		    case $BG in
100		    0) bcolor="BLK ";;
101		    1) bcolor="RED ";;
102		    2) bcolor="GRN ";;
103		    3) bcolor="YEL ";;
104		    4) bcolor="BLU ";;
105		    5) bcolor="MAG ";;
106		    6) bcolor="CYN ";;
107		    7) bcolor="WHT ";;
108		    esac
109		    $CMD $OPT "${CSI}4${BG}m$bcolor$SUF"
110		    $CMD $OPT "${CSI}10${BG}m+$bcolor$SUF"
111		done
112		echo "${CSI}0m"
113	    done
114	done
115	sleep 1
116    done
117done
118