[poppler] Performance of the wrappers

[Frank Meerkötter]

Albert Astals Cid wrote:

>A Dissabte 18 Febrer 2006 16:53, Frank Meerkötter va escriure:
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Hi Albert,

>I tried doing that (use 4 bytes internally  whereat the fourth byte is a  
>fixed alpha) as a quick solution but failed, i don't really understand what 
>having a ALPHA value in a PDF document means, if the ALPHA says it's 
>transparent it should display what is in the window behind and if not the 
>desktop?
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How exactly did you fail?

I also don't understand for what an alpha layer on the output device is used
but i should be of no concern to us, as long as we use an alpha value that
qt interprets as fully intransparent. Right?

Regards,
   Frank