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Re: Postscript printer errors with rounded barlines?


From: Jan Warchoł
Subject: Re: Postscript printer errors with rounded barlines?
Date: Fri, 29 Jul 2011 07:07:16 +0200

2011/7/27 Han-Wen Nienhuys <address@hidden>:
> On Wed, Jul 27, 2011 at 3:23 PM, Jan Warchoł
> <address@hidden> wrote:
>
>>> I think this is an other issue.  Due to rounding, PDF viewers can err
>>> the placement of the barline by a pixel. This is insolvable, as there
>>> is no way to hint that the barline should coincide with the staffline,
>>> yet we need to go the end of the barline to get the correct effect in
>>> the corners in staves.
>>
>> I'd accept this if it were not for the fact that Finale seems to
>> handle this perfectly.  I've never experienced any sticking out
>> barlines in Finale pdfs, neither on screen nor in print (i can send
>> you some if you want).  Also, the thickness of the stems and barlines
>> is consistent in Finale pdfs (i.e. it looks like second image from
>> here http://lists.gnu.org/archive/html/lilypond-devel/2007-07/msg00076.html
>> while Lily output looks like first one).
>> I'd say that the fact that Finale does something this basic better
>> than LilyPond is a serious insult to us, given how much Finale sucks
>> in these matters (for example in flag attachment, see attached).
>
> You can make the problem disappear by
>
> - hard coding the output to a certain resolution

Umm, i don't understand what you mean...

> - making the bar go to the middle of the staffline, rather than the outside.

I have a patch doing this:
http://codereview.appspot.com/4809057

> both have disadvantages. (what does finale's barline at the end of a
> staff look like?)

Sharp and pointy, example attached.

cheers,
Janek

Attachment: Canticorum.pdf
Description: Adobe PDF document


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