From: Zhiwei Chen <condy0919@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: The right way to use svg?
Date: Thu, 09 Sep 2021 20:33:01 +0800 [thread overview]
Message-ID: <87r1dyj5du.fsf@gmail.com> (raw)
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#+begin_src elisp
(require 'svg)
(let* ((text "Hello, world")
(w (* (length text) (window-font-width)))
(h (window-font-height))
(svg (svg-create w h)))
(svg-rectangle svg 0 0 w h :stroke "black" :fill "none")
(svg-text svg text
:x 0
:y (- h 4) ;; Why 4 here?
:fill "black")
(insert-image (svg-image svg :scale 1 :ascent 'center)))
#+end_src
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My question is why it uses 4 rather than other number?
#+begin_src elisp
(list (window-font-width)
(window-font-height))
;; => (10 21)
#+end_src
on my machine with 1920x1080 screen resolution.
--
Zhiwei Chen
next reply other threads:[~2021-09-09 12:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-09 12:33 Zhiwei Chen [this message]
2021-09-09 14:53 ` The right way to use svg? Lars Ingebrigtsen
2021-09-09 14:54 ` Lars Ingebrigtsen
2021-09-09 22:31 ` Nick Dokos
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