[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#39264: 26.3; (frame-char-width) is different from real char width of
bug#39264: 26.3; (frame-char-width) is different from real char width of monospace font 'Noto Sans Mono'
Mon, 10 Feb 2020 16:36:26 +0100
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)
Eli Zaretskii <address@hidden> writes:
> tags 39264 notabug
>> From: address@hidden
>> Date: Fri, 24 Jan 2020 23:55:42 +0900
>> I installed Noto fonts.
>> With setting frame font to "Noto Sans Mono", which is a monospace font,
>> (frame-char-width) and the real char width may differ.
>> For example, using "Noto Sans Mono-13", (frame-char-width) is one pixel
>> (set-frame-font "Noto Sans Mono-13")
>> (list (frame-char-width) (car (window-text-pixel-size nil 1 2))))
>> => (11 10)
> This is not a bug. frame-char-width returns the value of the font's
> "average width" attribute, whereas window-text-pixel-size actually
> performs the layout of the specified text, simulating its display, and
> measures the result. Thus, the values can differ, although for
> monospaced fonts they cannot (or should not) differ by too much.
> The upshot of this is that you cannot really perform accurate layout
> calculations from Lisp, at least not easily. There's no way around
> this basic difficulty.
I'm consequently also closing this bug report.
|[Prev in Thread]
||[Next in Thread]|
- bug#39264: 26.3; (frame-char-width) is different from real char width of monospace font 'Noto Sans Mono',
Stefan Kangas <=