Thanks for the response, this is now at
https://savannah.nongnu.org/bugs/index.php?58990.
Antony

On Fri, Aug 21, 2020 at 6:57 PM Werner LEMBERG <[email protected]> wrote:

>
> > where FreeSerif.ttf can be downloaded from
> > http://ftp.gnu.org/gnu/freefont/freefont-ttf-20120503.zip (the
> > specific release of FreeFont is important!).
>
> OK.
>
> > The program loads two glyphs (codepoints 0x21d0 LEFTWARDS DOUBLE
> > ARROW and 0x21d1 UPWARDS DOUBLE ARROW) and renders them at 200dpi
> > horizontal resolution and 100dpi vertical resolution.
>
> [Those are glyphs 'arrowdblleft' and 'arrowdblup' in the font.]
>
> > The result (bad.txt) shows that while the horizontal arrow is
> > correctly stretched by a factor of 2 in x, the vertical arrow is
> > incorrectly stretched in y instead, and also badly centered in y.
>
> This is a bug in FreeType, probably also related to
>
>   https://savannah.nongnu.org/bugs/?55001
>
> Please open an issue in the Savannah tracker, and thanks for the
> report!
>
>
>     Werner
>

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