From: William Perry <wmperry@aventail.com>
Cc: ding@ifi.uio.no
Subject: Re: gnus-picons update
Date: Mon, 9 Sep 1996 09:51:06 -0700 [thread overview]
Message-ID: <199609091651.JAA09612@newman> (raw)
In-Reply-To: <qk27mq3bujv.fsf@iptsun2.unil.ch>
Wesley Hardaker writes:
>Hans de Graaff <J.J.deGraaff@twi.tudelft.nl> writes:
>
>> What is irritating about this is that the initial line is just
>> text. As soon as the icons get inserted this changes the line height,
>> and shifts all other text down. Annoying. How about inserting a small
>> blank xpm of the proper height immediately, to reserve the line
>> height.
>
>I've thought about this... However, this would slow it down more and
>additionally require reading yet one more image file...
You would only need to do this once at startup. And you can build a
pixmap pretty easily in memory. I've got the code to do it for Emacs-W3.
Try something like:
(defun create-blank-pixmap (width height)
(let ((retval
(concat "/* XPM */\n"
"static char *pixmap[] = {\n"
;;"/* width height num_colors chars_per_pixel */\n"
(format "\" %d %d 2 1\",\n" width height)
;;"/* colors */\n"
"\". c #000000 s background\",\n"
"\"# c #FFFFFF s foreground\",\n"
;;"/* pixels /*\n"
))
(line (concat "\"" (make-string width ?.) "\"")))
(while (/= 1 height)
(setq retval (concat retval line ",\n")
height (1- height)))
(concat retval line "\n};")))
Then:
(make-glyph (vector 'xpm :data (create-blank-pixmap 40 40))))
Wheee.
-Bill P.
next prev parent reply other threads:[~1996-09-09 16:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
1996-09-06 13:11 Wesley.Hardaker
1996-09-09 8:53 ` Hans de Graaff
1996-09-09 15:02 ` Wesley.Hardaker
1996-09-09 16:51 ` William Perry [this message]
1996-09-10 13:55 ` Wesley.Hardaker
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