[Bug 46438] New: Fonts antialiasing does not work in Wine-i686 built on a x86-64 host

https://bugs.winehq.org/show_bug.cgi?id=46438

Bug ID: 46438
           Summary: Fonts antialiasing does not work in Wine-i686 built on
                    a x86-64 host
           Product: Wine
           Version: 4.0-rc5
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdi32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 63221
  --> https://bugs.winehq.org/attachment.cgi?id=63221
winecfg

It's not the first time I'm facing this issue and now that I'm finally sick and
tired of it, I'm filing a bug report because I want to figure out once and for
all why I'm affected.

I run Fedora 29 64 and I'm building Wine this way:

export CFLAGS="-O2 -pipe -m32 -march=pentium-m"
export LDFLAGS="-Wl,-O1 -Wl,--hash-style=gnu"

./configure --prefix=/opt/wine --disable-tests && make && make install

Wine seemingly successfully finds and uses the necessary libraries:

$ strace -e file -fF notepad 2>&1 | egrep "freetype|libfontconf"
[pid 20804] openat(AT_FDCWD, "/lib/libfreetype.so.6",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 14
[pid 20804] openat(AT_FDCWD, "/lib/libfontconfig.so.1",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 14
[pid 20782] openat(AT_FDCWD, "/lib/libfreetype.so.6",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 5
[pid 20782] openat(AT_FDCWD, "/lib/libfontconfig.so.1",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 5
[pid 20775] openat(AT_FDCWD, "/lib/libfreetype.so.6",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 10
[pid 20775] openat(AT_FDCWD, "/lib/libfontconfig.so.1",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 10
[pid 20808] openat(AT_FDCWD, "/lib/libfreetype.so.6",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 8
[pid 20808] openat(AT_FDCWD, "/lib/libfontconfig.so.1",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 8

However fonts are not antialiased.

Please advise.

[Bug 46438] Fonts antialiasing does not work in Wine-i686 built on a x86-64 host

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #1 from Artem S. Tashkinov  ---
Created attachment 64722
  --> https://bugs.winehq.org/attachment.cgi?id=64722
Tahoma size >= 14 is antialiased

Strangely starting with a certain size, fonts are antialiased.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for small font sizes (<14)

https://bugs.winehq.org/show_bug.cgi?id=46438

Artem S. Tashkinov  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Fonts antialiasing does not |Fonts antialiasing does not
                   |work in Wine-i686 built on  |work in wine i686 built on
                   |a x86-64 host               |a x86-64 host for small
                   |                            |font sizes (<14)

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for small font sizes (<14)

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #2 from Artem S. Tashkinov  ---
Tahoma size <=6 is also antialiased.

So, fonts sizes from 7 to 13 are not antialiased while all others are
antialiased.

I don't have a fontconfig configuration file for that. For my native Linux
applications all fonts sizes are antialiased.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

https://bugs.winehq.org/show_bug.cgi?id=46438

Artem S. Tashkinov  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Fonts antialiasing does not |Fonts antialiasing does not
                   |work in wine i686 built on  |work in wine i686 built on
                   |a x86-64 host for small     |a x86-64 host for fonts
                   |font sizes (<14)            |sizes > 6 and < 14

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #3 from Dmitry Timoshkov  ---
(In reply to Artem S. Tashkinov from comment #2)
> Tahoma size <=6 is also antialiased.
>
> So, fonts sizes from 7 to 13 are not antialiased while all others are
> antialiased.
>
> I don't have a fontconfig configuration file for that. For my native Linux
> applications all fonts sizes are antialiased.

Looks like a limitation imposed by a 'gasp' table, that's not a bug at all.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #4 from Alexandre Julliard  ---
(In reply to Dmitry Timoshkov from comment #3)
> (In reply to Artem S. Tashkinov from comment #2)
> > Tahoma size <=6 is also antialiased.
> >
> > So, fonts sizes from 7 to 13 are not antialiased while all others are
> > antialiased.
> >
> > I don't have a fontconfig configuration file for that. For my native Linux
> > applications all fonts sizes are antialiased.
>
> Looks like a limitation imposed by a 'gasp' table, that's not a bug at all.

Indeed, that's the way it's supposed to work with grayscale antialiasing.
You should enable subpixel antialiasing if you want it for all sizes.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #5 from Artem S. Tashkinov  ---
(In reply to Alexandre Julliard from comment #4)
> (In reply to Dmitry Timoshkov from comment #3)
> > (In reply to Artem S. Tashkinov from comment #2)
> > > Tahoma size <=6 is also antialiased.
> > >
> > > So, fonts sizes from 7 to 13 are not antialiased while all others are
> > > antialiased.
> > >
> > > I don't have a fontconfig configuration file for that. For my native Linux
> > > applications all fonts sizes are antialiased.
> >
> > Looks like a limitation imposed by a 'gasp' table, that's not a bug at all.
>
> Indeed, that's the way it's supposed to work with grayscale antialiasing.
> You should enable subpixel antialiasing if you want it for all sizes.

Why isn't it enabled by default and/or following system-wide fontconfig
settings?

And how can it be enabled?

I've changed FontSmoothingType to 2 from default 1 and nothing has changed.

Windows Registry Editor Version 5.00

Here's my Wine registry:

[HKEY_CURRENT_USER\Control Panel\Desktop]
"FontSmoothing"="2"
"FontSmoothingGamma"=dword:00000000
"FontSmoothingOrientation"=dword:00000001
"FontSmoothingType"=dword:00000002

It would be great if font antialiasing was available via winecfg.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #6 from Artem S. Tashkinov  ---
Created attachment 64725
  --> https://bugs.winehq.org/attachment.cgi?id=64725
HKEY_CURRENT_USER\Control Panel\Desktop

And why is there no documentation for various Font* settings in registry?

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #7 from Artem S. Tashkinov  ---
(In reply to Dmitry Timoshkov from comment #3)
> (In reply to Artem S. Tashkinov from comment #2)
> > Tahoma size <=6 is also antialiased.
> >
> > So, fonts sizes from 7 to 13 are not antialiased while all others are
> > antialiased.
> >
> > I don't have a fontconfig configuration file for that. For my native Linux
> > applications all fonts sizes are antialiased.
>
> Looks like a limitation imposed by a 'gasp' table, that's not a bug at all.

I have Wine built on my CentOS 6 i686 host and all fonts are antialiased by
default using RGB subpixel hinting.

On Fedora 30 x86_64/Wine i686 font antialiasing works only for specified sizes
and it's not using subpixel hinting.

I'm using the same wine prefix and fonts configuration in both OSes.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #8 from Artem S. Tashkinov  ---
So, what am I missing?

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=46438

Artem S. Tashkinov  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #9 from Artem S. Tashkinov  ---
I'm closing this bug report because now we have a different issue: font
antialiasing cannot be disabled at all, bug 50156.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=46438

--- Comment #10 from Austin English  ---
Closing.

[Bug 46438] Fonts antialiasing does not work in wine i686 built on a x86-64 host for fonts sizes > 6 and < 14

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=46438

Austin English  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #11 from Austin English  ---
Closing.