https://bugs.documentfoundation.org/show_bug.cgi?id=165410

Buovjaga <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WONTFIX
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |ilmari.lauhakangas@libreoff
                   |                            |ice.org

--- Comment #1 from Buovjaga <[email protected]> ---
I commented on it in bug 104701 comment 16 (see also the other comments in that
report):

> https://en.wikipedia.org/wiki/PostScript_fonts#Type_1 "They are not
> supported in the Windows GDI+, WPF or DirectWrite APIs"
> 
> MS Office dropped Type 1 support in 2013, with the only way to use them
> being an awkward workaround:
> https://social.technet.microsoft.com/Forums/office/en-US/8c15a4ea-ac83-40bd-
> 8800-d3532e1dee07/office-2013-and-type-1-fonts-not-
> supported?forum=officesetupdeploy
> 
> The writing has been on the wall for Type 1 fonts for a long time.
> 
> Users of Type 1 fonts have been forced to jump through hoops for years:
> https://forums.adobe.com/message/7382830#7382830 Adobe principal scientist
> commenting in 2015: "it is really a good time to accelerate migration to
> cross-platform OpenType fonts."

See the ESC decision:
https://lists.freedesktop.org/archives/libreoffice/2016-October/075652.html

* Bitmap fonts on Windows (Michael)
    + no good physical font API on Windows
       + DirectWrite provides one.
       + doesn't work with Bitmap Fonts.
    + Office 2013 dropped bitmap / Type1 fonts and more long ago.
    + Biting us with Harfbuzz in some cases.
    + https://bugs.documentfoundation.org/show_bug.cgi?id=103514
    + an issue for the WinXP support (Cloph)
       + Harfbuzz doesn't support that.
         (and will not support Type1 fonts)
       + 5.3 will be the last with current rendering
       + see no point in also support bitmap fonts in 5.4
       + thought Khaled pushed a patch to make it work on WinXP (Caolan)
           + but happy to loose bitmap fonts.
       + we get a fallback font anyway (Michael)
    => abandoning bitmap / Type 1 fonts etc. if not DirectWrite supported in
future.

Photoshop switched to Harfbuzz in 2023, so also dropped support for Type 1
fonts:
https://helpx.adobe.com/photoshop/kb/announcement-end-of-support-postscript-type-1-fonts.html

There is some discussion in this issue from 2019:
https://github.com/harfbuzz/harfbuzz/issues/1682

Behdad asked, if Adobe was interested in contributing to adding support and an
Adobe rep said: "Adobe sees non-cross platform font format Type 1 as a legacy
font technology and is not enthusiastic about supporting it in new endeavors
like HB. Instead we see OpenType (TT or CFF, now CFF2) as the future."

So I don't see it as a worthy investment at this point as everyone else wants
to move on.

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