#use strict;
use Tkx;
use Digest::CRC;;
my $mw = Tkx::widget->new('.');
my $asciicrc,$hexcrc;
$mw->g_wm_minsize( 100, 200 );
 
# Command Buttons
my $asciiconversion = $mw->new_ttk__button( -text => "ASCII Conversion", -width => 20, -command => sub { ascii(); } );
Tkx::grid( $asciiconversion, -row => 1, -columnspan => 1, -padx => 5, -pady => 5 );
my $hexconversion = $mw->new_ttk__button( -text => "HEX Conversion", -width => 20, -command => sub { hexa(); } );
Tkx::grid( $hexconversion, -row => 2, -columnspan => 2, -padx => 0, -pady => 0 );
 
 
# Text Boxes
my $input = $mw->new_tk__text( -width => 40, -height => 5, -state => "normal", -wrap => "none" );
my $output = $mw->new_tk__text( -width => 40, -height => 5, -state => "disabled", -wrap => "none" );
Tkx::grid( $input, -row => 3, -columnspan => 1, -padx => 10, -pady => 10 );
Tkx::grid( $output, -row => 4, -columnspan => 2, -padx => 10, -pady => 10 );
 
Tkx::MainLoop();
 
sub ascii {
$asciicrc = Digest::CRC->new( type => "crc32" ) ;
$asciicrc->add($input);
print $input;
my $asciiout=$asciicrc->hexdigest();
print "The checksum of $input is $asciiout \n";
}
 
sub hexa {
$hexcrc = Digest::CRC->new(type=>"crc32");;
my $hexout= $hexcrc->add( pack 'H*', $input)->hexdigest;;
print "The checksum of $input is $hexout \n";
}