bold-italics.pl revision a5ae21e4 
1#!/usr/bin/env perl
2# $XTermId: bold-italics.pl,v 1.1 2019/09/22 19:44:57 tom Exp $
3# -----------------------------------------------------------------------------
4# this file is part of xterm
5#
6# Copyright 2019 by Thomas E. Dickey
7#
8#                         All Rights Reserved
9#
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11# copy of this software and associated documentation files (the
12# "Software"), to deal in the Software without restriction, including
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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
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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.
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26# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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30# holders shall not be used in advertising or otherwise to promote the
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33# -----------------------------------------------------------------------------
34# Test bold-italics for single- and double-width characters.
35
36use strict;
37use warnings;
38
39use I18N::Langinfo qw(langinfo CODESET);
40
41our $encoding    = lc( langinfo( CODESET() ) );
42our $single_text = "ABCDEFGH";
43our $double_text = "";
44
45sub showcase($$) {
46    my $testcase = shift;
47    my $sgr_code = shift;
48    printf "\033[%sm", $sgr_code;
49    printf "%-8s%s\n", $testcase, $single_text;
50    printf "%-8s%s\n", " ", $double_text if ( $encoding eq "utf-8" );
51    printf "\033[%sm", "0";
52}
53
54sub doit() {
55    my $bold    = "1";
56    my $italics = "3";
57    &showcase( "Normal",  "0" );
58    &showcase( "Bold",    $bold );
59    &showcase( "Italics", $italics );
60    &showcase( "Both:BI", "$bold;$italics" );
61}
62
63if ( $encoding eq "utf-8" ) {
64    binmode( STDOUT, ":utf8" );
65    for my $n ( 0 .. length($single_text) - 1 ) {
66        my $chr = substr( $single_text, $n, 1 );
67        $double_text .= chr( 0xff00 + ord($chr) - 32 );
68    }
69}
70&doit;
71
721;
73