[Bug 1786596] New: Vertical alignment is off with PANGO_GRAVITY_EAST and PANGO_GRAVITY_HINT_LINE

https://bugzilla.redhat.com/show_bug.cgi?id=1786596

            Bug ID: 1786596
           Summary: Vertical alignment is off with PANGO_GRAVITY_EAST and
                    PANGO_GRAVITY_HINT_LINE
           Product: Fedora
           Version: 31
                OS: Linux
            Status: NEW
         Component: pango
          Assignee: pwu(a)redhat.com
          Reporter: abetakehiko(a)gmail.com
        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:

Japanese chars and Latin chars in the same line do not vertically align when
the pango context's gravity is set to PANGO_GRAVITY_EAST and its hint set to
PANGO_GRAVITY_HINT_LINE.

Version-Release number of selected component (if applicable):

pango-1.44.7-1.fc31.x86_64

How reproducible:

Always

Steps to Reproduce:

pango-view --text="あーいうえお abcde" --gravity east --gravity-hint line
--font="NotoSerifJP 24"

Actual results:

Japanese chars and Latin chars in the same line do not vertically align.

Expected results:

Japanese chars and Latin chars in the same line vertically align as before.

Additional info:

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[Bug 1786596] Vertical alignment is off with PANGO_GRAVITY_EAST and PANGO_GRAVITY_HINT_LINE

https://bugzilla.redhat.com/show_bug.cgi?id=1786596



--- Comment #1 from Takehiko Abe <abetakehiko(a)gmail.com&gt; ---
Created attachment 1647755
  --> https://bugzilla.redhat.com/attachment.cgi?id=1647755&action=edit
Actural result

Screen shot of

pango-view --text="あーいうえお abcde" --gravity east --gravity-hint line
--font="NotoSerifJP 24"

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[Bug 1786596] Vertical alignment is off with PANGO_GRAVITY_EAST and PANGO_GRAVITY_HINT_LINE

https://bugzilla.redhat.com/show_bug.cgi?id=1786596



--- Comment #2 from Takehiko Abe <abetakehiko(a)gmail.com&gt; ---
Created attachment 1647756
  --> https://bugzilla.redhat.com/attachment.cgi?id=1647756&action=edit
Expected result

The expected result of calling

pango-view --text="あーいうえお abcde" --gravity east --gravity-hint line
--font="NotoSerifJP 24"

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[Bug 1786596] Vertical alignment is off with PANGO_GRAVITY_EAST and PANGO_GRAVITY_HINT_LINE

https://bugzilla.redhat.com/show_bug.cgi?id=1786596

Peng Wu <pwu(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Doc Type|---                         |If docs needed, set a value



--- Comment #3 from Peng Wu <pwu(a)redhat.com&gt; ---
Could you also report this issue to pango upstream?

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[Bug 1786596] Vertical alignment is off with PANGO_GRAVITY_EAST and PANGO_GRAVITY_HINT_LINE

https://bugzilla.redhat.com/show_bug.cgi?id=1786596



--- Comment #4 from Takehiko Abe <abetakehiko(a)gmail.com&gt; ---
(In reply to Peng Wu from comment #3)
>  Could you also report this issue to pango upstream? 
I just opened an issue at gitlab.gnome.org:

https://gitlab.gnome.org/GNOME/pango/issues/454

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[Bug 1786596] Vertical alignment is off with PANGO_GRAVITY_EAST and PANGO_GRAVITY_HINT_LINE

https://bugzilla.redhat.com/show_bug.cgi?id=1786596

Peng Wu <pwu(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|31                          |rawhide




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[Bug 1786596] Vertical alignment is off with PANGO_GRAVITY_EAST and PANGO_GRAVITY_HINT_LINE

https://bugzilla.redhat.com/show_bug.cgi?id=1786596

Peng Wu <pwu(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|---                         |CURRENTRELEASE
        Last Closed|                            |2021-08-26 07:14:10



--- Comment #6 from Peng Wu <pwu(a)redhat.com&gt; ---
I think this bug is fixed in Fedora 34, close bug.


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