[Bug 1753295] New: Pango no longer supports bitmap fonts

https://bugzilla.redhat.com/show_bug.cgi?id=1753295

            Bug ID: 1753295
           Summary: Pango no longer supports bitmap fonts
           Product: Fedora
           Version: 31
            Status: NEW
         Component: pango
          Assignee: tagoh(a)redhat.com
          Reporter: jsbillin(a)umich.edu
        QA Contact: extras-qa(a)fedoraproject.org
                CC: caillon+fedoraproject(a)gmail.com,
                    fonts-bugs(a)lists.fedoraproject.org,
                    gnome-sig(a)lists.fedoraproject.org,
                    i18n-bugs(a)lists.fedoraproject.org,
                    john.j5live(a)gmail.com, mclasen(a)redhat.com,
                    pwu(a)redhat.com, rhughes(a)redhat.com,
                    rstrode(a)redhat.com, sandmann(a)redhat.com,
                    tagoh(a)redhat.com
  Target Milestone: ---
    Classification: Fedora



Description of problem:
In pango 1.44, pango dropped support for bitmap fonts, so font packages like
terminus-fonts and ucs-miscfixed-fonts no longer appear in GNOME applications
that use pango, such as Terminal.  If you did a dnf system-upgrade from Fedora
30 and were using a bitmap font like Terminus, all your terminals will show the
rectangular placeholders the first time you start a terminal.

Bitmap fonts like terminus and ucs-miscfixed are much easier to read in a
terminal since they are pixel perfect.  If Fedora 31 is going to disable
support for bitmap fonts, it needs to be announced and the package maintainers
of those bitmap font packages are going to need to find a way to convert their
fonts.

Version-Release number of selected component (if applicable):
pango-1.44.6-1.fc31.x86_64

How reproducible:
always

Steps to Reproduce:
1. install 'terminus-fonts'
2. Start GNOME terminal
3. Open Terminal Preferences
4. Attempt to change the font to Terminus font

Actual results:
If you upgraded from Fedora 30 and had Terminus fonts as the default font, the
first time you launch Terminal, all the text will be the rectangular
placeholders.  If you search for the Terminus font in the preferences, you
won't be able to find it.  

Expected results:
Use the Terminus font as usual

Additional info:
It appears that pango switched from using FreeType to HarfBuzz, which only
supports truetype.  I rebuilt the Fedora 30 pango package (1.43) for Fedora 31,
downgraded it, and now my terminals are fine showing my bitmap fonts.

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