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From Duncan McGregor <dun...@oneeyedmen.com>
Subject Re: Transparent Text
Date Mon, 02 Mar 2009 15:26:33 GMT
You're a gent. I think I'm being saved by only really caring about  
Preview on Mac rather than Reader.

On 2 Mar 2009, at 15:20, Jay Berkenbilt wrote:

> Duncan McGregor <duncan@oneeyedmen.com> wrote:
>
>> Thank you
>>
>> At present the text-behind-image trick is doing it for me, but when I
>> find its limitations I'll look into potentially patching fop.
>>
>> Cheers
>>
>> Duncan
>
> If you use white on white behind the image, you may be fine, but when
> I went down the path years ago (when writing an application to do what
> you're doing), I found that there were all sorts of refresh anomalies
> and cases where the text was momentarily visible.  Eventually, I got
> my hands on a hidden text PDF generated by one of Adobe's products and
> decoded the content streams to find the Tr operator, which is
> described in the PDF specification.  Surely xsl-fo isn't going to
> support that though.  Anyway, good luck, and I'm glad you have a
> solution that's working for you.  I just wanted to make sure the
> thread contained the fact that this text rendering operator was there
> since I went down this path myself in the past. :-)
>
> --Jay
>
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