Re: [xep-support] getting a semi-transparent watermark to overlay tiff images

Actually, overlaying the body region isn't the problem, preserving transparency
is. XEP doesn't seem to support transparency with either SVG or TIFF. I was
finally able to get a "transparent" watermark to show up over the page by using
a dithered PNG with a transparent background, but it only looks right on
screen...when I send it to a printer (even a level 3 PostScript printer) the
entire bounding box of the PNG shows up white, blocking just about everything on
the page :-(.

Hopefully someone from RenderX will add a watermarking extension sometime. In
the mean time, I may have to resort to post-processing the PDF with a standalone
watermarking application.

Rick

                                                                                                                                  
                      "W. Eliot Kimber"
                      <ekimber@innodata- To: xep-support@renderx.com
                      isogen.com> cc:
                      Sent by: Subject: Re: [xep-support] getting a semi-transparent watermark to overlay tiff
                      owner-xep-support@ images
                      renderx.com
                                                                                                                                  
                                                                                                                                  
                      01/21/2005 11:46
                      AM
                      Please respond to
                      xep-support
                                                                                                                                  
                                                                                                                                  

Rick Geimer wrote:

> Is there any way to get such a watermark to overlay the page instead? I tried
> using a transparent SVG in a fixed position block container, but it showed up
> all black instead of transparent.

I don't know that I've tried this with XEP, but if you have a free edge
region, you can have that edge region overlap the body region and then
put the graphic in there, either as a background or just as normal
static content. The edge regions should have a higher Z index then
region body (but I'm not sure if the FO spec requires this--it is the
way that XSL Formatter behaves).

Cheers,

Eliot

--
W. Eliot Kimber
Professional Services
Innodata Isogen
9390 Research Blvd, #410
Austin, TX 78759
(512) 372-8122
ekimber@innodata-isogen.com
www.innodata-isogen.com
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