Re: [libreoffice-users] Export PDF

2014-02-08 23:40 GMT+01:00 Cliff Scott <cfly@intergate.com>:

> I've run into a strange occurrence in LO 4.1.4. Everytime I export to PDF I
> get a error message that "PDF/A-1a forbids a transparency". Clicking OK
> allows the export to continue and I don't see any problems in the resultant
> PDF, but this is something I've only seen on 4.1.4. This happens with
> Writer
> and Calc. FYI, I'm running OSx Mavericks. Is this a known problem?

​I can tell you that it did happen with previous versions. It's only shown
if you have transparent items in the document, so it might not show up all
the time.

Now, to know what is transparent is more complicated. It could be an image
with an alpha channel (even if completely opaque). It might also be
anything that LO treat as transparent (mayber borders, some special
characters, etc... I don't really know). The thing is, if your output is
correct, it's probably the kind of transparent item that get converted to
white image over white background... no worries.

However, a bit of warning from personal experience: a few years ago, some
people (mainly using Acrobat Reader I believe) couldn't open PDF/A-1, while
these same files would open fine on pretty much anything: gnome document
viewer, kde viewer (okular), foxit on windows... Pretty funny if you
consider that PDF/A-1 is supposed to work for long term storage. You should
double-check that your files open with this certain reader, just to be sure
:)

-- 
Cley Faye
http://cleyfaye.net

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