[Libreoffice-bugs] [Bug 127325] Rendering (stamping) of rotated text is incorrect with OpenGL rendering enabled - severe clipping of glyphs on Vertical ruler, and rotated table cell text

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=127325

V Stuart Foote <vstuart.foote at utsa.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Numbers on vertical ruler   |Rendering (stamping) of
                   |are not displayed with      |rotated text is incorrect
                   |OpenGL rendering enabled    |with OpenGL rendering
                   |                            |enabled - severe clipping
                   |                            |of glyphs on Vertical
                   |                            |ruler, and rotated table
                   |                            |cell text
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
           Severity|normal                      |major
                 CC|                            |dr.khaled.hosny at gmail.com,
                   |                            |janmarek28 at gmail.com
             Blocks|                            |71732

--- Comment #3 from V Stuart Foote <vstuart.foote at utsa.edu> ---
Affects more than just the rotated text of the vertical ruler. With OpenGL
rendering enabled (on Winodws builds at least) font metrics are incorrectly
used and glyphs are clipped when stamped.

I was working with rotating text of table cells for bug 127485 and noticed more
than just the vertical ruler mark, all rotated text is being clipped when
OpenGL rendering is enabled. OK with 6.3.1.2 and builds of master through
2019-08-16, suggests recent change to Direct2D DirectWrite handling.

Attached document with table 'Table contents' style adjusted to use Noto Sans
and all table cell contents rotated, and column width and column height
optimized for the full table.

While test document has style changed, with OpenGL rendering enabled, using any
font's rotated glyphs are clipped when stamped to canvas.


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=71732
[Bug 71732] [META] Bugs related to text rendering, typography and font features
in LO
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