https://bugs.documentfoundation.org/show_bug.cgi?id=117534
Bug ID: 117534
Summary: Formula editor font handling regression from recent
work on salfont and winlayout
Product: LibreOffice
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: graphics stack
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: vstuart.fo...@utsa.edu
On Windows 10 Pro 64-bit en-US with nVidia GPU
Version: 6.1.0.0.alpha1+ (x64)
Build ID: c5f8a296fcfc08f8ac441cb8300a7565caa50b53
CPU threads: 8; OS: Windows 10.0; UI render: GL;
TinderBox: Win-x86_64@42, Branch:master, Time: 2018-05-10_01:41:43
Locale: en-US (en_US); Calc: group
The Formula editor is having issues composing its nodes. Notably, scalable
nodes are not sized correctly, and while default GDI rendering makes a glyph
assignment, they are not placed correctly.
With OpenGL rendering, the wrong glyphs for scalable nodes are being used
(fallback of some sort) and sm nodes are misplaced and mis-sized.
STR:
1. launch LibreOffice with OpenGL rendering enabled
2. Open a new Math Formula
3. note the Expressions sidebar
- glyphs in the Urnary/Binary Operators are misplaced
4. use drop list to select the Brackets elements
- the upper section fixed brackets show (all OpenSymbol glyphs)
- in the lower section all the "scalable" brackets, getting bad font
assignment and unknown glyphs are used for the sample nodes
On repeat with Default GDI rendering. For the sizable brackets, correct glyph
is used, but still misplaced and sized.
=-note-=
Work on salfont.cxx and winlayout.cxx in
https://gerrit.libreoffice.org/#/c/47408/
https://gerrit.libreoffice.org/#/c/47279/
led to OpenGL font handling issues of bug 117517
https://gerrit.libreoffice.org/#/c/54046/ has resolved that mostly.
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