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Q: Watermarking Flash swf files ( No Answer,   4 Comments )
Subject: Watermarking Flash swf files
Category: Computers > Graphics
Asked by: patrice29-ga
List Price: $10.00
Posted: 14 Aug 2005 17:18 PDT
Expires: 13 Sep 2005 17:18 PDT
Question ID: 555753
I've seen at least one application (I believe it's Photoshop) that
names the ability to add a copyright note to a file as 'watermarking'.
Not sure however if this is a universal term.

But... I have some Flash files which present large amounts of text and
audio data. These are for a learning application, and will be
available for download over the internet. However they required a
large amount of effort to create, and I'd hate to see them re-used by
others without getting any credit as the originator.

I'm curious if there is any way to mark the swf files as proprietary
information.  When I right click a swf and go to 'properties' I don't
see any mention of 'proprietary' or 'not proprietary'. Is there a way
to mark them as such?

Thank you,
There is no answer at this time.

Subject: Re: Watermarking Flash swf files
From: aemkei-ga on 16 Aug 2005 10:19 PDT
Hey, 'cause there is no way to become a researcher, here is the answer:

Simply add these lines to your code:


var watermarkText:String = "Proprietary";
var infoURL:String = "";

var context:ContextMenu = new ContextMenu();
var watermark:ContextMenuItem = new ContextMenuItem(watermarkText, showInfo);
context.customItems.push(menuItem_cmi); = context;
function showInfo() { getUrl(infoURL, "_blank") } = watermark;

Subject: Re: Watermarking Flash swf files
From: patrice29-ga on 04 Sep 2005 06:56 PDT
Thanks aemkei!  I'll try this out.
Not sure I know where to put this code, but I'll look around.

Thanks again,
Subject: Re: Watermarking Flash swf files
From: smittyny-ga on 09 Sep 2005 17:17 PDT
The unique feature about Flash .swf files is that everything is
embedded.  Infringement is difficult. Not impossible; but it's
difficult work even for a pro hacker.  .SWF is the strongest deterrent
you'll find. I'd suggest just placing your  notice prominently with
contact info. This enough to convey your infringment concerns.  You
can always create a popup window for your .SWF files that address your
"proprietary" message.
Subject: Re: Watermarking Flash swf files
From: patrice29-ga on 10 Sep 2005 15:25 PDT
Yes Smitty,
But couldn't someone just alter the html document to resize the
display window and effectively crop out the proprietary note?  Or in
other words, limit the display so the entire swf file isn't shown?

Thanks for your help.

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