[scribus] Word wrapping algorithm

[Darius Blaszyk]

What you are describing sounds like a greedy algorithm. Is that correct?
For a project of mine I'm thinking about implementing a minimum
raggedness algorithm as implemented by TeX hence my question.

Regards, Darius

 Andreas Vox schreef op 10 jul '15: 

> Hi,
> 
> no, there is no document describing Scribus' layout algorithm (safe for the
> source code :-) )
> 
> The line breaking und justification should work like this:
> 
> 0. Assume natural glyph width and normal word spacing
> 1. Fill the line with words until a word spills over the end of the line. 
> 2. If hyphenation is on, hyphenate that word
> 3. Remember the difference D between the length of the words collected for
> this line so far and the regular line length.
> 4. Remember the difference D' between the regular line length and the length
> of all collected words but the last on (D' > 0)
> 3. Test if after applying minimal word spacing and minimal glyph stretch the
> line is shorter or equal to the regular line length
> 4. If yes and D < D', apply min. glyph stretch and minimal word spacing
> such that the words fit the line.
> 5. Otherwise, apply max. glyph stretch and increase word spacing so that the
> word fit the line.
> 
> Of course 5. only happens if justification is on.
> 
> /Andreas
> 
>> -----Ursprüngliche Nachricht-----
>> Von: Darius Blaszyk [mailto:dhkblaszyk at zeelandnet.nl]
>> Gesendet: Freitag, 10. Juli 2015 16:10
>> An: scribus at lists.scribus.net
>> Betreff: [scribus] Word wrapping algorithm
>> 
>> Hi all,
>> 
>> I was wondering which algorithm Scribus uses to do word wrapping and where
>> to find it in the source code. Is there somewhere a document describing
> the 
> 
>> workings of the render and layout pipeline?
>> 
>> Regards, Darius
>> 
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