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Re: How to get the actual face attribute?
From: |
Eli Zaretskii |
Subject: |
Re: How to get the actual face attribute? |
Date: |
Mon, 22 Jun 2020 21:47:33 +0300 |
> From: Yuan Fu <casouri@gmail.com>
> Date: Mon, 22 Jun 2020 13:21:15 -0400
> Cc: help-gnu-emacs@gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>
>
> I have a package that aligns org tables even for variable pitch text, CJK
> text, images, etc are in the table:
>
>
>
> Some one reported that when they change the text size with text-scale-adjust,
> the alignment are messed up. That’s because the package aligns by calculating
> the pixel width of each cell, and when the text size are adjusted that width
> is no accurate anymore. I’m using this function to calculate the width of a
> glyph (which adds up to the width of a cell):
>
> (let* ((p (or point (point))))
> (if (eq (char-after point) ?\t)
> (valign--tab-width (font-at p))
> ;; (font-at 0 nil (buffer-substring p (1+ p))) doesn’t work, the
> ;; font is sometimes wrong. (font-at p) doesn’t work, because
> ;; it requires the buffer to be visible.
> (aref (aref (font-get-glyphs (font-at p) p (1+ p)) 0) 4)))
Did you try using window-text-pixel-size?
- How to get the actual face attribute?, Yuan Fu, 2020/06/21
- Re: How to get the actual face attribute?, Eli Zaretskii, 2020/06/21
- Re: How to get the actual face attribute?, Stefan Monnier, 2020/06/21
- Re: How to get the actual face attribute?, Yuan Fu, 2020/06/22
- Re: How to get the actual face attribute?, Stefan Monnier, 2020/06/22
- Re: How to get the actual face attribute?, Yuan Fu, 2020/06/22
- Re: How to get the actual face attribute?, Stefan Monnier, 2020/06/22
- Re: How to get the actual face attribute?, Yuan Fu, 2020/06/22
- Re: How to get the actual face attribute?, Stefan Monnier, 2020/06/22
- Emacs hackers all around the world (was: Re: How to get the actual face attribute?), Emanuel Berg, 2020/06/22
- Re: How to get the actual face attribute?, Yuan Fu, 2020/06/24
- Re: How to get the actual face attribute?, Emanuel Berg, 2020/06/22
- Re: How to get the actual face attribute?, Yuan Fu, 2020/06/24