#!/usr/local/bin/new/perl -w
use strict;
use Tk;
use Tk::Xlib;
my $mw = MainWindow->new;
$mw->scaling($ARGV[0]) if (@ARGV);
my $screen = $mw->Screen;
my $width    = $screen->WidthOfScreen;
my $widthMM  = $screen->WidthMMOfScreen;
my $widthIN  = $widthMM/25.4;
my $height   = $screen->HeightOfScreen;
my $heightMM = $screen->HeightMMOfScreen;
my $heightIN = $heightMM/25.4;
my $s        = $mw->scaling;
my $ws       = $width/($widthMM*72/25.4);
my $hs       = $height/($heightMM*72/25.4);
print "Width=$width WidthMM=$widthMM WidthIN=$widthIN\n";
print "Height=$height HeightMM=$heightMM HeightIN=$heightIN\n";
print "Scale=$s wScale=$ws hScale=$hs\n";