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Article #502

Re: Watermark ability for PS Printer Driver

#502
From: Dov_Isaacs
Date: Wed, 19 Nov 2003 21:35
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No, there is no �other� driver for PostScript under Windows 2000 / XP / Server 2003.

And there is no plan to put such a facility into the driver.

The problem is that even under the AdobePS 4.x drivers, the facility did not work that well. It didn't work at all for some applications that generated their own PostScript and passed it through the driver. Using the option to put the watermark �underneath� other content often totally obscured the watermark and putting it �above� the other content often obscured the underlying content too much.

The real issue is that PostScript does not support an attribute called �transparency� which is really need for real watermark support. On the other hand, one can watermark PDF files pretty well using the �rubber stamp� feature in conjunction with a PDF file-based watermark that is not 100% opaque.

- Dov
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Subject: Re: Watermark ability for PS Printer Driver
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Date: Wed, 19 Nov 2003 13:35:58 -0800
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