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Re: [ProgSoc] Disable Print Frame in Netscape
On Mon, Feb 22, 1999 at 11:12:46AM +1100, Han-Dat Luc wrote:
> The only way to disable printing is to store your document as a read-only
> pdf file and load it into the frame for display.
> People will still be able to save the document and do a print screen, or
> copy text segments, but they can't directly print out the document.
I've wondered about the read-only flags on PDF files. They seem to be
doing something which is technically unviable (i.e. preventing people from
choosing their output device). I notice that ghostview displays PDF files and
also converts them to postscript -- I guess that it probably ignores the
read-only flag. I also notice that some PDF files won't show in ghostview
at all, is this just a matter of getting the latest ghostview or is there
some subtle skullduggery that actually allows Adobe to sidestep ghostview's
By the way, PDF files are really not much more than Postscript with LZW
compression and a fancy reader. It seems to me that anyone with sense would
choose Postscript since it is better documented and more widely supported.
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