Re: Font display size is incorrect

[Eli Zaretskii]

> From: Anand Tamariya <atamariya@gmail.com>
> Date: Sun, 13 Jun 2021 19:15:02 +0530
> Cc: emacs-devel@gnu.org
> 
>  If you look closely at the produced display, you will see that the
>  heights of the above pairs of lines are indeed different; it's the
>  _width_ that is identical.  So it sounds like you expected the width
>  to change together with the height, but I'm not sure I understand why
>  such an assumption is justified.
> 
> If the fonts are only vertically stretched for their heights, all the lines 
> should be the same width. This is not the
> case. What's the algorithm here?

I don't think (but am not sure) the algorithm for choosing the width
for specific height is in Emacs.  I think it's in the font back-end,
like Fontconfig.

> Is there a recommended way to draw 17pt and 18pt text so that they appear 
> distinct proportionally as they
> would in a hardcopy?

Sorry, I don't think I understand the question (and am not an expert
on font-related issues anyway).