#!/usr/bin/perl
use warnings;
use strict;
use Tk;
use Tk::PNG;
use MIME::Base64;


my $bunny = 
'iVBORw0KGgoAAAANSUhEUgAAAB4AAAAjEAIAAABcJvHFAAAACXBIWXMAAAsSAAALEgHS3
+X78AAAD
F0lEQVR42u1YL+yqUBj1vfcLbhY3C44is8BIREYSG9FoNBqNkok2aFhp2BhJDWyadCZN/i
+lOGxan
jRdOuRsPxl/f+23vJKfX7x6+73znu5dK5RviV9QPDMMwDIPP7/f7/X6XTWU0Go1Go06n0+
+l0PM/z
PC91CNu2bduWZVmW5bLpjsfj8XgcBEEQBJPJZDKZZAw0n8/n8zkCGYZhGIYgCIIgFEt3OB
+wOh8OA
gKZpmqZlDDedTqfTKRnO933f95GVer1er9fz0BVFURRFxCR3QfyMQfv9fr/fDyLgOI7jON
+mo419k
JUkMBoPBYJCRNBrxdrvdbrco6qvVarVaIWdFpQO/5tIcFBbE4nQ6nU6nJIpHjlGlEklTFE
+VRFDIa
T32/3+/3+3jqHMdxHBcfB2sK6HFFURRFeb1er9crfksoNUrr0GvUfxGfnA+FmX+QALDItG
+LDA6O2
pQyCJFkPqxMDK2p9LodOAhQaLRjfoKRGo2wObl3G8PoDsA0Gb5Q5oonjfSNKTh96AOh+u9
+1ut1uS
FuZrONPJ7bJ06tA9TDDsD6QkCnDltEDRkV1Q9AnENyuk8hcyChkkcZKo5uv1er1er3S6cA
+PkFXSx
MQodPrXFg2zTEsVANhO2JNdEmVo80ub7K/lSDHPyLkNaXrVarVar2W46LMuyLFsKaZ7neZ
+4nvwFR
NGKeGjYajUajkXz9z+RLn8/n8/ms/ANIQXq5XC6Xy/v9fr/fvw3p9Xq9Xq9VVVVV9fF4PB
+6Pokhc
r9fr9Vr6s6Lf4dNpbS6/exQA3BHDt/fkPl3wwT85wlcEcrCHZyHO1tmOSl95iGLcQN80Td
+M0jTa1
LMuyLF3XdV03TdM0zWaz2Ww2Xdd1XRenDlDHgTbtvj/ykMZpDm/6LpfL5XLBmGi32+12G6
+Th5RAA
Pne73W63iwfGYFosFovF4kOZrtVqtVoN16TD4XA4HPAAKDp5yZUkSZIk1GGz2Ww2m91ut9
+vt0Mof
lcfxeDwej7PZbDaboRFbrVar1SJfIsLdYZfn8/l8Pue3y1zyiH9VAMFElb5Yp/+PcvAbH/
+25ox5S
PYYAAAAASUVORK5CYII=';

my $mw  = MainWindow->new();
my $image = $mw->Photo(-data => $bunny);
my $label = $mw->Label(-image => $image)->pack(-expand => 1, -fill => 
+'both');

$mw->Button(-text => 'Image', -command => \&image)->pack;

$mw->Button(-text => 'Text', -command => \&text)->pack;

$mw->Button(-text => 'Quit', -command => [destroy => $mw])->pack;

MainLoop;

sub image{
   $label->configure(-image => $image);
   $mw->update;

}


sub text{
   $label->configure(-image => '', -text=>'hoohaa');
   $mw->update;

}
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