On Sun, Jun 13, 2021 at 1:47 PM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Anand Tamariya <atamariya@gmail.com>
> > Date: Sun, 13 Jun 2021 11:17:44 +0530
> >
> > In the screenshot (
> https://lifeofpenguin.blogspot.com/2021/06/basic-wysiwyg-printing-in-gnu-emacs.html),
>
> > :height property is set as the number in parentheses. The text display
> size is incorrect in some cases.
> > Following pairs are shown as same size: 120-130, 170-180, 210-220,
> 230-240.
>
> 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?
Is there a recommended way to draw 17pt and 18pt text so that they appear
distinct proportionally as they would in a hardcopy?