[scribus-dev] Casual PDF output
中本浩
hiroshi-n at borndigital.co.jp
Sun Feb 12 05:45:42 UTC 2012
I tried to hack scprintengine_ps.cpp to use scpainterex_cairo rather
than its own ps code by changing severa files.
I was able to make it work with cairo's toy fonts ( usable via
cairo_select_font_face ), however, the real code needs to access
Ft_Face to create cairo_font_face_t*. In Scribus, it is hidden in
ScFace::ScFaceData > FtFace, which cannot be accessed directly without
rewriting.
2012/2/11 a.l.e <ale.comp_06 at xox.ch>:
> hi hiroshi,
>
>> I tried Scribus PDF export using Japanese fonts, and found that
>> Scribus converts all the text using such fonts to outline data.
>> The output becomes unsearchable PDF ( and quality degrade because
>> hinting information is lost ).
>>
>> I also found cairo+pango correctly handles the case - the attached
>> sample code works fine.
>> It does OTF subsetting/embedding with Adobe-Identity-UCS encoding and
>> generates searchable PDF.
>>
>> As Scribus uses cairo for rendering ( and Windows printing ? ), I
>> thought it would be relatively straightforward to implement cairo PDF
>> generation ( for example, when "pdf" is specified as "Alternative
>> printer command" ).
>>
>> So, I would like to know:
>>
>> 1. if you have plan to incorporate OTF subsetting in 1.5 release
>> 2. if such a hack is possible
>> 3. where I should look first if above is possible.
>
> i don't think that currently using cairo+pango as the default pdf engine
> is an option for scribus. as far as i know, too many features supported
> by scribus are not supported by cairo+pango.
>
> on the other hand, a better OTF handling is one of the goals of the
> scribus team. but there seems to be lot of work to be done!
>
> and one last thoughts: you could try to hack into scribus and see if it
> is possible to give a choice to the users between its internal PDF
> engine and cairo+pango. that way users could choose which engine they
> want to use and get the best out of scribus!
> ... no idea if this is doable, though!
>
> have a nice day!
> a.l.e
>
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