121 lines
3.5 KiB
Bash
121 lines
3.5 KiB
Bash
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#!/bin/sh
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# $XTermId: doublechars.sh,v 1.26 2022/04/25 23:25:41 tom Exp $
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# -----------------------------------------------------------------------------
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# this file is part of xterm
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#
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# Copyright 1999-2021,2022 by Thomas E. Dickey
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#
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# All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name(s) of the above copyright
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# holders shall not be used in advertising or otherwise to promote the
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# sale, use or other dealings in this Software without prior written
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# authorization.
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# -----------------------------------------------------------------------------
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# Illustrate the use of double-size characters by drawing successive lines in
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# the commonly used video attributes.
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#
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# Use the -w option to force the output to wrap. It will look ugly, because
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# the double-high lines will be split.
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ESC=""
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CSI="${ESC}["
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CMD='/bin/echo'
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OPT='-n'
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SUF=''
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: "${TMPDIR=/tmp}"
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TMP=`(mktemp "$TMPDIR/xterm.XXXXXXXX") 2>/dev/null` || TMP="$TMPDIR/xterm$$"
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eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
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{ test ! -f "$TMP" || test -s "$TMP"; } &&
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for verb in "printf" "print" ; do
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rm -f "$TMP"
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eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
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if test -f "$TMP" ; then
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if test ! -s "$TMP" ; then
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CMD="$verb"
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OPT=
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SUF='\c'
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break
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fi
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fi
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done
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rm -f "$TMP"
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ITAL=no
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SAVE=yes
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WRAP=no
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if test $# != 0 ; then
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while test $# != 0
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do
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case $1 in
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-i) ITAL=yes ;;
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-n) SAVE=no ;;
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-w) WRAP=yes ;;
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*)
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echo "usage: $0 [-i] [-n] [-w]"
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exit 1
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esac
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shift
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done
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fi
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if test $SAVE = yes ; then
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exec </dev/tty
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old=`stty -g`
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stty raw -echo min 0 time 5
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$CMD $OPT "${CSI}18t${SUF}" > /dev/tty
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IFS=';' read -r junk high wide
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stty $old
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wide=`echo "$wide"|sed -e 's/t.*//'`
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original=${CSI}8\;${high}\;${wide}t${SUF}
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trap '$CMD $OPT "$original" >/dev/tty; exit 1' 1 2 3 15
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trap '$CMD $OPT "$original" >/dev/tty' 0
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fi
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if test $WRAP = yes ; then
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# turn on wrapping and force the screen to 80 columns
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$CMD $OPT "${CSI}?7h" >/dev/tty
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$CMD $OPT "${CSI}?40l" >/dev/tty
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else
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# force the screen to 132 columns
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$CMD $OPT "${CSI}?40h" >/dev/tty
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$CMD $OPT "${CSI}?3h" >/dev/tty
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fi
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for SGR in 0 1 4 5 7
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do
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$CMD $OPT "${CSI}0;${SGR}m" >/dev/tty
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test "$ITAL" = yes && $CMD $OPT "${CSI}3m" >/dev/tty
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for DBL in 5 3 4 6 5
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do
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$CMD $OPT "${ESC}#${DBL}" >/dev/tty
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echo "The quick brown fox jumps over the lazy dog" >/dev/tty
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done
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echo
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done
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$CMD $OPT "${CSI}0m" >/dev/tty
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