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Re: Help with page breaking code
From: |
David Kastrup |
Subject: |
Re: Help with page breaking code |
Date: |
Thu, 23 May 2013 22:06:33 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
David Kastrup <address@hidden> writes:
> Keith OHara <address@hidden> writes:
>
>> David Kastrup <dak <at> gnu.org> writes:
>>
>>> #(define-markup-command (ugly layout props) ()
>>> (ly:make-stencil (ly:stencil-expr (interpret-markup layout props "x"))
>>> '(0 . 0) '(0 . -100)))
>>
>>> \markup \ugly
>>> \markup *
>>
>> The page-breaker seems to be allowing for a markup that has something 100
>> staff-spaces away from its baseline.
>>
>> The page-spacing seems to be doing its job, given the page-breaks, and
>> realizing that \ugly actually requires no space.
>>
>> Page_breaking::compute_line_heights()
>> looks at the individual ends of the y-extent of a line of markup, and
>> uses the first line to initialize a set of variables that remember some
>> things about the previous line.
>
> Well, with the -inf setting instead of -100, the loop in
> Page_breaking::compute_line_heights does not get away from -inf any more
> for its refpoint_hanging value. I just have no idea about what all
> those variables mean.
Ok, got it. Running tests now, and then issue 3330 has a chance to be
really on track.
--
David Kastrup
- Re: Help with page breaking code, (continued)
- Re: Help with page breaking code, Keith OHara, 2013/05/19
- Re: Help with page breaking code, David Kastrup, 2013/05/20
- Re: Help with page breaking code, David Kastrup, 2013/05/22
- Re: Help with page breaking code, Keith OHara, 2013/05/22
- Re: Help with page breaking code, David Kastrup, 2013/05/23
- Re: Help with page breaking code, David Kastrup, 2013/05/23
- Re: Help with page breaking code,
David Kastrup <=