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[HOWTO]Freetype subpixel font rendering - lcd monitors Pt 2
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PaulBredbury
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PostPosted: Fri Mar 22, 2013 11:19 pm    Post subject: Reply with quote

Nightmorph's blog post (edit: No proper URL anymore) is depressingly simplistic, but it does highlight again that even devs recoil in horror from the XML nighmare that is fontconfig configuration :(

So, as KISS examples, here is what I use: /etc/fonts/local.conf and /etc/env.d/infinality-settings.sh

For Arch Linux, use bohoomil's configuration and free fonts.


Last edited by PaulBredbury on Sun Mar 16, 2014 9:50 am; edited 2 times in total
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papu
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PostPosted: Wed Apr 10, 2013 11:54 pm    Post subject: Reply with quote

i am configuring this stuff :

without infinality: http://i.minus.com/ibca2AMAW8WZ0V.png
with infinality there are a glitch: http://i.minus.com/iwORHnzKCAoGv.png

configuration:
eselect fontconfig list
Code:
Available fontconfig .conf files (* is enabled):
  [1]   10-autohint.conf
  [2]   10-no-sub-pixel.conf
  [3]   10-sub-pixel-bgr.conf
  [4]   10-sub-pixel-rgb.conf *
  [5]   10-sub-pixel-vbgr.conf
  [6]   10-sub-pixel-vrgb.conf
  [7]   10-unhinted.conf
  [8]   11-lcdfilter-default.conf *
  [9]   11-lcdfilter-legacy.conf
  [10]  11-lcdfilter-light.conf
  [11]  20-unhint-small-vera.conf *
  [12]  25-unhint-nonlatin.conf
  [13]  30-metric-aliases.conf *
  [14]  30-urw-aliases.conf *
  [15]  40-nonlatin.conf *
  [16]  45-latin.conf *
  [17]  49-sansserif.conf *
  [18]  50-user.conf *
  [19]  51-local.conf *
  [20]  52-infinality.conf *
  [21]  60-latin.conf *
  [22]  60-liberation.conf *
  [23]  62-croscore-arimo.conf
  [24]  62-croscore-cousine.conf
  [25]  62-croscore-symbolneu.conf
  [26]  62-croscore-tinos.conf
  [27]  65-fonts-persian.conf *
  [28]  65-khmer.conf
  [29]  65-nonlatin.conf *
  [30]  69-unifont.conf *
  [31]  70-no-bitmaps.conf
  [32]  70-yes-bitmaps.conf
  [33]  80-delicious.conf *
  [34]  90-synthetic.conf *
  [35]  99pdftoopvp.conf


eselect lcdfilter list
Code:
Available styles:
  [1]   custom
  [2]   default
  [3]   infinality *
  [4]   infinality-classic
  [5]   infinality-nudge
  [6]   infinality-push
  [7]   infinality-sharpened
  [8]   infinality-shove
  [9]   ipad
  [10]  linux
  [11]  nyx
  [12]  osx
  [13]  ubuntu
  [14]  vanilla
  [15]  windows-7
  [16]  windows-7-light
  [17]  windows-xp
  [18]  windows-xp-light


eselect infinality list
Code:
Available styles:
  [1]   debug
  [2]   infinality *
  [3]   linux
  [4]   nyx
  [5]   osx
  [6]   osx2
  [7]   win7
  [8]   win98
  [9]   winxp


emerge --info

thanks you :)
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comprookie2000
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PostPosted: Thu Apr 11, 2013 12:58 am    Post subject: Reply with quote

Post the output;
Code:

 # locale
LANG=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=

Code:

 # cat /etc/env.d/02locale
LANG="en_US.UTF-8"

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papu
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PostPosted: Thu Apr 11, 2013 9:18 am    Post subject: Reply with quote

~ $ locale
Code:

LANG=ca_ES.utf8
LC_CTYPE="ca_ES.utf8"
LC_NUMERIC="ca_ES.utf8"
LC_TIME="ca_ES.utf8"
LC_COLLATE=POSIX
LC_MONETARY="ca_ES.utf8"
LC_MESSAGES="ca_ES.utf8"
LC_PAPER="ca_ES.utf8"
LC_NAME="ca_ES.utf8"
LC_ADDRESS="ca_ES.utf8"
LC_TELEPHONE="ca_ES.utf8"
LC_MEASUREMENT="ca_ES.utf8"
LC_IDENTIFICATION="ca_ES.utf8"
LC_ALL=


~ $ cat /etc/env.d/02locale
Code:

# Configuration file for eselect
# This file has been automatically generated.
LANG="ca_ES.utf8"


~ $ eselect locale list
Code:

Available targets for the LANG variable:
  [1]   C
  [2]   POSIX
  [3]   ca_ES.utf8 *
  [4]   en_US.utf8
  [ ]   (free form)


thanks, :P
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Kiwon Um
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PostPosted: Fri Apr 26, 2013 5:50 am    Post subject: Reply with quote

Ant P. wrote:
Looks interesting. I have two serious problems after installing though:

  • .pfb fonts no longer work at all.
  • urxvt is now completely unreadable (and it's even worse than in those old screenshots) because these patches require libXft >= 2.3.

For using the pfb fonts, comment the "Type 1" configuration part in the infinality.conf file.
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_______0
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PostPosted: Tue May 07, 2013 10:58 pm    Post subject: Reply with quote

what's the best Monitor settings? My monitor has different modes

user
movie
text
photo
sRGB

which one would help for better font looking?

thanks
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PaulBredbury
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PostPosted: Thu May 23, 2013 11:07 am    Post subject: Reply with quote

For freetype 2.4.12, here's the patches that are working well for me:


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Last edited by PaulBredbury on Sat Jun 15, 2013 5:27 am; edited 1 time in total
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shad0w_GR
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PostPosted: Wed Jun 05, 2013 8:06 pm    Post subject: Reply with quote

Hello, i am using infinality patches with the following selections:

infinality: linux
lcdfilter: infinality

I have errors with cups - "Filters failed". Also i have a problem with ps2pdf,
Code:
ps2pdf cdemu.ps cdemu.pdf
Error: /invalidfont in /findfont
Operand stack:
   Times-Italic@0   --nostringval--   Times-Italic
Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   --nostringval--   false   1   %stopped_push   1878   1   3   %oparray_pop   1877   1   3   %oparray_pop   1861   1   3   %oparray_pop   1755   1   3   %oparray_pop   --nostringval--   %errorexec_pop   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   1836   3   4   %oparray_pop
Dictionary stack:
   --dict:1169/1684(ro)(G)--   --dict:0/20(G)--   --dict:78/200(L)--   --dict:59/120(L)--
Current allocation mode is local
Last OS error: No such file or directory
Current file position is 5696
GPL Ghostscript 9.06: Unrecoverable error, exit code 1


Without infinality i dont have any problem, but rendering sucks. Anyone with the same issue?

Edited: I found a way to solve this, allowing Type1 fonts, which are disabled by default in infinality.conf.
I found this suggestion here.
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PaulBredbury
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PostPosted: Thu Jun 06, 2013 12:30 pm    Post subject: Reply with quote

shad0w_GR wrote:
Type1 fonts, which are disabled by default in infinality.conf.

I suggest you report that on the Gentoo bugzilla. Disabling Postscript fonts sounds too extreme to be the default, and probably too extreme to be even a USE-flag option.

Edit: Here's the bug report.
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toofy
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PostPosted: Fri Aug 30, 2013 8:19 am    Post subject: Reply with quote

sorry to resurrect an old thread, but im curious if any of you have successfully installed freetype 2.5 yet? apparently the new engine was created by adobe and google and is super sexy. i want to give it a shot, but i have no clue how to create ebuilds yet and was curious if any of you have got it up and running.

t
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PaulBredbury
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PostPosted: Fri Aug 30, 2013 10:41 pm    Post subject: Reply with quote

toofy wrote:
freetype 2.5


See thread for Infinality patch.

The interest in Adobe's CFF is surprisingly low, since we already have Infinality, and they currently can't be used together, and Adobe's CFF only improves OpenType fonts.
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^marcs
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PostPosted: Mon Sep 02, 2013 3:32 pm    Post subject: Reply with quote

Hello,
I'm having a problem with infinality patches, maybe indirectly. When I'm drawing a white text (other color but black will trigger this too) on a transparent background, some border pixel, that normaly have some alpha due to antialiasing, are having a weired colors. When I disable infinality rules in fontconfig (eselect fontconfig) all is working as expected.

Here is an example, upper text is painted while infinality was turned on, and lower while its turned off. (recommended to view this in picture browser that clearly shows transparent areas)
https://dl.dropboxusercontent.com/u/6883398/both.png

Easy way to reproduce:
1. create new image in GIMP with background set as "Transparent".
2. pick Text tool, select white color and draw some text over the picture.

Anyone else have this?
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poncho
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PostPosted: Mon Sep 02, 2013 3:43 pm    Post subject: Reply with quote

^marcs wrote:
Anyone else have this?


The report about this issue at infinality.net mentions some workaround:
Font rendering Gimp 2.8
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^marcs
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PostPosted: Mon Sep 02, 2013 5:27 pm    Post subject: Reply with quote

Thanks for link poncho.

I have removed suggested fragment from the fontconfig conf file - that fixed it all right, but pretty much ruined whole configuration in the process.
At least I know someone is aware of this problem.
I think I'll drop infinality patches for now and try to get vanilla configuration info usable state.
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dannymichel
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PostPosted: Thu Oct 24, 2013 7:38 am    Post subject: Reply with quote

I've been fiddling with the Infinality setting for quite some time.
No matter what I do, the fonts render square.
Can I please pay someone to make Helvetica look exactly like this?
[IMG]http://i.imgur.com/u44Nk5Q.png[/IMG]
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PaulBredbury
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PostPosted: Thu Oct 24, 2013 4:57 pm    Post subject: Reply with quote

dannymichel wrote:
fonts render square.

I would recompile in the correct order: freetype pixman harfbuzz fontconfig cairo pango

bohoomil has some great (Arch Linux) threads, for font libs and free good-looking fonts.

freetype is continually being improved, so I'm using a git checkout with these patches:
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dannymichel
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PostPosted: Thu Oct 24, 2013 5:03 pm    Post subject: Reply with quote

PaulBredbury wrote:
dannymichel wrote:
fonts render square.

I would recompile in the correct order: freetype pixman harfbuzz fontconfig cairo pango

bohoomil has some great (Arch Linux) threads, for font libs and free good-looking fonts.

freetype is continually being improved, so I'm using a git checkout with these patches:
I installed Infinality using apt-get.
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MattM
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PostPosted: Sun Nov 03, 2013 2:20 pm    Post subject: Ugh, don't touch my fonts! Reply with quote

It didn't take me too long to switch successfully over to using infinality despite my being finicky with fonts and already having a good setup which rendered fine via nvidia-

- eselect infinality set linux produces a much better result than set infinality
- disabling everything else in eselect fontconfig is OK and seems to be necessary to get the best rendering
- disabling the dpi and type1 in infinality.conf also helps

All the normal websites seem to render fine in firefox...only issue at the moment is that the default body text on some sites is slightly smaller than it was before. I guess I can just bump up minimum font size somewhere.
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PaulBredbury
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PostPosted: Sun Nov 03, 2013 6:55 pm    Post subject: Re: Ugh, don't touch my fonts! Reply with quote

MattM wrote:
disabling the dpi and type1 in infinality.conf also helps


Got an example? bohoomil reckons that type 1 fonts generally render better.
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dannymichel
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PostPosted: Sun Nov 03, 2013 6:58 pm    Post subject: Re: Ugh, don't touch my fonts! Reply with quote

MattM wrote:
It didn't take me too long to switch successfully over to using infinality despite my being finicky with fonts and already having a good setup which rendered fine via nvidia-

- eselect infinality set linux produces a much better result than set infinality
- disabling everything else in eselect fontconfig is OK and seems to be necessary to get the best rendering
- disabling the dpi and type1 in infinality.conf also helps

All the normal websites seem to render fine in firefox...only issue at the moment is that the default body text on some sites is slightly smaller than it was before. I guess I can just bump up minimum font size somewhere.

I want to do what you did.

i can select Linux style by doing sudo bash /etc/fonts/infinality/infctl.sh setstyle
then i can disable everything by editing sudo -H gedit /etc/profile.d/infinality-settings.sh
am i correct? How do I disable everything? using USE_STYLE="DISABLED"?
That still hints my fonts.
how do i "disabling the dpi and type1 in infinality.conf also helps"?
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