From: Kenichi Handa <handa@m17n.org>
Cc: storm@cua.dk, rms@gnu.org, emacs-devel@gnu.org
Subject: Re: Several suggestions for image support
Date: Fri, 23 Apr 2004 21:58:15 +0900 (JST) [thread overview]
Message-ID: <200404231258.VAA12228@etlken.m17n.org> (raw)
In-Reply-To: <x5oepj4iul.fsf@lola.goethe.zz> (message from David Kastrup on 23 Apr 2004 02:51:30 +0200)
In article <x5oepj4iul.fsf@lola.goethe.zz>, David Kastrup <dak@gnu.org> writes:
> Kenichi Handa <handa@m17n.org> writes:
>> I think the height of the space glyph for the tailing
>> newline should be the default frame line height in the above
>> case, and the line height must be desided by all glyphs
>> including the tailing space.
> You are confusing line spacing and line height, I think. Line
> spacing is the distance by which the _baselines_ of different lines
> are to be set apart unless this could cause overlap.
I don't think I'm confusing. In my paragraph above, I
really meant line height. But I should have written more
clearly that "line height must be the maxinum logical font
height (ascent + descent) of faces of all characters
(including the tailing newline)". Here I think we should
not consider the physical ascent/descent of each glyph which
may be taller or shorter than the the logical ascent/descent
of a font.
> So I think that the space between two baselines should be
> max(line space of newline, max(all glyph depths of upper line,0)
> +max(all glyph heights of lower line,0))
> where depth is the extent of a glyph below the baseline, and the
> height is the extent above.
I don't understand what you mean by "line space of newline",
but anyway, I think it's not worth discussing about line
spacing (of your definition).
> We could discuss whether it makes sense to use a maximum value of
> more than the just the line spacing of the newline character (maybe
> of the whole lower line?), but if we do, then the parameter "line
> spacing" should be the same for a complete face (including newline
> and spaces), whereas height and depth are specific to each glyph.
Sorry, I don't understand the above paragraph. What is "the
parameter line spacing"? Do you mean the frame parameter
`line-spacing' or a buffer local variable `line-spacing'?
Then they are both a spacing between lines, not the baseline
distance. Please see what happens by (setq line-spacing 1).
---
Ken'ichi HANDA
handa@m17n.org
next prev parent reply other threads:[~2004-04-23 12:58 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-16 0:21 Several suggestions for image support David Kastrup
2004-04-16 9:29 ` YAMAMOTO Mitsuharu
2004-04-16 14:02 ` Kim F. Storm
2004-04-16 12:50 ` Jason Rumney
2004-04-16 16:59 ` Kim F. Storm
2004-04-16 15:18 ` Jason Rumney
2004-04-16 10:22 ` Kim F. Storm
2004-04-16 9:09 ` Jason Rumney
2004-04-16 10:06 ` David Kastrup
2004-04-16 12:38 ` Kim F. Storm
2004-04-16 11:09 ` Jason Rumney
2004-04-16 11:34 ` David Kastrup
2004-04-16 12:29 ` Jason Rumney
2004-04-16 12:56 ` David Kastrup
2004-04-16 17:08 ` Kim F. Storm
2004-04-16 13:39 ` Stefan Monnier
2004-04-16 13:49 ` David Kastrup
2004-04-17 7:16 ` Richard Stallman
2004-04-17 13:02 ` Werner LEMBERG
2004-04-17 19:24 ` David Kastrup
2004-04-17 18:03 ` David Kastrup
2004-04-18 21:30 ` Kim F. Storm
2004-04-19 1:51 ` Stefan Monnier
2004-04-19 7:57 ` David Kastrup
2004-04-19 10:34 ` Kim F. Storm
2004-04-19 14:29 ` Stefan Monnier
2004-04-19 15:17 ` David Kastrup
2004-04-19 15:37 ` Stefan Monnier
2004-04-19 15:56 ` Kim F. Storm
2004-04-19 14:15 ` David Kastrup
2004-04-19 21:59 ` Kim F. Storm
2004-04-21 0:53 ` Kim F. Storm
2004-04-21 1:08 ` Kim F. Storm
2004-04-20 23:31 ` David Kastrup
2004-04-21 3:04 ` Piet van Oostrum
2004-04-22 0:43 ` Kim F. Storm
2004-04-22 1:18 ` YAMAMOTO Mitsuharu
2004-04-22 22:03 ` Piet van Oostrum
2004-04-23 4:02 ` YAMAMOTO Mitsuharu
2004-04-24 14:48 ` Piet van Oostrum
2004-04-21 10:10 ` Kim F. Storm
2004-04-21 8:51 ` David Kastrup
2004-04-21 12:51 ` Kim F. Storm
2004-04-22 17:40 ` Richard Stallman
2004-04-22 18:17 ` David Kastrup
2004-04-24 14:26 ` Richard Stallman
2004-04-22 23:53 ` Kim F. Storm
2004-04-22 23:02 ` David Kastrup
2004-04-23 12:36 ` Kim F. Storm
2004-04-23 15:02 ` Stefan Monnier
2004-04-23 15:05 ` David Kastrup
2004-04-23 0:33 ` Kenichi Handa
2004-04-23 0:51 ` David Kastrup
2004-04-23 12:58 ` Kenichi Handa [this message]
2004-04-23 14:53 ` David Kastrup
2004-04-24 14:27 ` Richard Stallman
2004-04-24 15:16 ` David Kastrup
2004-04-25 1:56 ` Kim F. Storm
2004-04-25 2:06 ` David Kastrup
2004-04-26 9:38 ` Kim F. Storm
2004-04-27 0:34 ` Kim F. Storm
2004-04-26 22:50 ` David Kastrup
2004-04-27 1:30 ` Miles Bader
2004-04-27 9:30 ` Kim F. Storm
2004-04-27 13:22 ` David Kastrup
2004-04-27 14:00 ` David Kastrup
2004-04-28 10:12 ` Richard Stallman
2004-04-28 10:58 ` David Kastrup
2004-04-29 0:29 ` Kim F. Storm
2004-04-28 22:52 ` David Kastrup
2004-04-29 13:31 ` Richard Stallman
2004-04-29 2:06 ` Kenichi Handa
2004-04-29 10:00 ` Kim F. Storm
2004-04-30 1:54 ` Kenichi Handa
2004-04-29 2:20 ` Kenichi Handa
2004-04-25 18:09 ` Richard Stallman
2004-04-29 0:17 ` Kim F. Storm
2004-04-28 23:02 ` David Kastrup
2004-04-29 9:51 ` Kim F. Storm
2004-04-29 8:08 ` David Kastrup
2004-04-29 11:24 ` Kim F. Storm
2004-04-30 1:07 ` Kim F. Storm
2004-04-30 11:31 ` David Kastrup
2004-04-30 14:21 ` Kim F. Storm
2004-04-30 13:30 ` David Kastrup
2004-04-30 13:49 ` preview-latex in Emacs (was: Several suggestions for image support) Stefan Monnier
2004-05-01 9:44 ` Several suggestions for image support Richard Stallman
2004-05-01 19:56 ` Kim F. Storm
2004-05-02 19:52 ` Richard Stallman
2004-05-03 9:19 ` David Kastrup
2004-04-30 9:02 ` Richard Stallman
2004-04-30 11:27 ` David Kastrup
2004-04-30 14:19 ` Kim F. Storm
[not found] ` <E1BGiB8-00087H-Tz@fencepost.gnu.org>
[not found] ` <x5brljkgk5.fsf@lola.goethe.zz>
2004-04-22 23:32 ` Kim F. Storm
2004-04-22 21:50 ` David Kastrup
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