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Topic: Re: Show?hide pages
Conf: (P-PDF) Developers, Msg: 58531
From: dpstory
Date: 5/29/2002 05:33 PM

On 12 Jun 2001, at 11:34, p-pdf-developer Listmanager wrote:

> From: "Steve"
> HI, I want to be able to hide all pages of the pdf but keep an activation page
> visible. This page would have a form field. The user would enter in an unlock
> code, if correct it would unhide the rest of the document, if not the document
> would remain hidden. Is this possible? I imagine javascript would be used.
> Thanks in advance.
In the PDFSpec indicates that you can hide pages, but this feature has never
been implemented in any viewer. This would be a very nice feature for
educational purposes, the solutions could be hidden until the student answered
the questions.

You could cover each page with a large text field that covers the content of
each page. Then after user enters an "unlock" code, you can hide all those
covering text fields.

Or, you can have a one page PDF, when user enters an "unlock code" a CGI
script can send the other pages to the browser.



Dr. D. P. Story / / (330) 972-7514 Dept of Mathematics
and Computer Science / University of Akron / Akron, Ohio 44325
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