[frameworks-plasma] [Bug 385913] No font anti-aliasing for CJK characters in GTK programs

2017-10-18 Thread Guanpeng Xu
https://bugs.kde.org/show_bug.cgi?id=385913

Guanpeng Xu <herberteu...@gmail.com> changed:

   What|Removed |Added

 CC||herberteu...@gmail.com

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[frameworks-plasma] [Bug 385913] No font anti-aliasing for CJK characters in GTK programs

2017-10-18 Thread Guanpeng Xu
https://bugs.kde.org/show_bug.cgi?id=385913

--- Comment #1 from Guanpeng Xu <herberteu...@gmail.com> ---
This issue was initially posted along with the description of issue 385911 to
the plasma mailing list. The original link is
https://mail.kde.org/pipermail/plasma-devel/2017-October/075248.html

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[frameworks-plasma] [Bug 385913] New: No font anti-aliasing for CJK characters in GTK programs

2017-10-18 Thread Guanpeng Xu
https://bugs.kde.org/show_bug.cgi?id=385913

Bug ID: 385913
   Summary: No font anti-aliasing for CJK characters in GTK
programs
   Product: frameworks-plasma
   Version: 5.37.0
  Platform: Other
OS: Linux
Status: UNCONFIRMED
  Severity: normal
  Priority: NOR
 Component: components
  Assignee: notm...@gmail.com
  Reporter: herberteu...@gmail.com
  Target Milestone: ---

Created attachment 108435
  --> https://bugs.kde.org/attachment.cgi?id=108435=edit
Screenshots

Font anti-aliasing for CJK characters in GTK programs becomes broken after my
system is upgraded to KDE Frameworks 5.37.0 using Qt 5.9.1, on NixOS
17.09.1502.19879836d1. The other relevant packages are fontconfig 2.12.1 and
freetype 2.7.1.

With font setting in figure-1, GTK setting in figure-2, it can be seen that, as
in the snapshot of Firefox shown in figure-3, CJK characters are not
anti-aliased while Latin characters are anti-aliased (labels 1 to 3) for GTK
widgets, but characters rendered by Firefox (label 4) is not affected.

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[frameworks-plasma] [Bug 385911] Font rendering is broken

2017-10-18 Thread Guanpeng Xu
https://bugs.kde.org/show_bug.cgi?id=385911

Guanpeng Xu <herberteu...@gmail.com> changed:

   What|Removed |Added

 CC||herberteu...@gmail.com

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[frameworks-plasma] [Bug 385911] New: Font rendering is broken

2017-10-18 Thread Guanpeng Xu
https://bugs.kde.org/show_bug.cgi?id=385911

Bug ID: 385911
   Summary: Font rendering is broken
   Product: frameworks-plasma
   Version: 5.37.0
  Platform: Other
OS: Linux
Status: UNCONFIRMED
  Severity: normal
  Priority: NOR
 Component: components
  Assignee: notm...@gmail.com
  Reporter: herberteu...@gmail.com
  Target Milestone: ---

Created attachment 108434
  --> https://bugs.kde.org/attachment.cgi?id=108434=edit
Screenshots

Font rendering is broken on specific widgets in specific styles after my system
is upgraded to KDE Frameworks 5.37.0 using Qt 5.9.1, on NixOS
17.09.1502.19879836d1. The other relevant packages are fontconfig 2.12.1 and
freetype 2.7.1.

With the font setting in figure-1, widget style set to `MS Windows 9x`, there
are several mis-rendering cases. Figure-2 shows that bold italic face is only
rendered correctly on title bar in Plastik. Figure-3 shows that italic face is
mis-rendered on normal widget. Figure-4 shows that bold face is mis-rendered.

If the General face is set to bold, as in figure-5, it can be seen in figure-6
that normal text is rendered bold as expected, but bold italic text is still
mis-rendered. For title bar, Plastik is still the only style in which bolt
italic face is rendered correctly, as seen in figure 7.

This issue was previously discussed on the mailing lists. The links are
https://marc.info/?l=kde=150728730630509=2 and
https://mail.kde.org/pipermail/plasma-devel/2017-October/075248.html Another
possibly related issue was discussed in
https://marc.info/?l=kde=150828171918536=2

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