#!/usr/bin/perl
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use Image::Magick;
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#
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# Hide an image within an image
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#
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$watermark=Image::Magick->new;
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$watermark->ReadImage('smile.gif');
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($width, $height)=$watermark->Get('width','height');
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#
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# Hide image in image.
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#
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$image=Image::Magick->new;
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$image->ReadImage('model.gif');
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$image->SteganoImage(image=>$watermark,offset=>91);
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$image->Write('model.png');
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$image->Write('win:');
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#
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# Extract image from image.
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#
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$size="$width" . "x" . "$height" . "+91";
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$stegano=Image::Magick->new(size=>$size);
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$stegano->ReadImage('stegano:model.png');
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$stegano->Write('stegano.gif');
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$stegano->Write('win:');
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