Rex Tsai <rex.t...@canonical.com
<javascript:_e(%7B%7D,'cvml','rex.t...@canonical.com');>> 於 2014年7月28日星期一寫道:

> +1 on happyaron's commen, need to clear the requirement of DFSG on Noto
> Sans CJK.
> However RTM deadline is coming, I like to replace fonts-arphic-ukai with
> fonts-droid or wqy-microhei.
>
> However, I found the current qt stack has problem rendering fonts-
> droid[1]. It does not render mixed lanaguage code, root cause need to be
> investigated.
>
> Only fonts-droid installed
> http://i.imgur.com/RG91uaT.png


Qt does not support fontconfig configuration well, the workaround is
to specify CJK font as the first candidate font instead of western font.


> fonts-droid+fonts-wqy-microhei (you can see it render with two differnet
> fonts)
> http://i.imgur.com/2uTgJ3y.png
>
> [1] https://bugs.launchpad.net/ubuntu/+source/fonts-android/+bug/1334495
>
> ** Attachment added: "fonts-droid-only.png"
>
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-touch-meta/+bug/1346766/+attachment/4164217/+files/fonts-droid-only.png
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1346766
>
> Title:
>   Chinese in Ubuntu Touch should use Heiti style sans serif font
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-touch-meta/+bug/1346766/+subscriptions
>


-- 
Cheers,
by Cheng-Chia Tseng

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to ubuntu-touch-meta in
Ubuntu.
https://bugs.launchpad.net/bugs/1346766

Title:
  Chinese in Ubuntu Touch should use Heiti style sans serif font

Status in “ubuntu-touch-meta” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu Touch uses Kaiti style font as the main UI font for displaying
  Chinese, which is not optimal as nowadays operating systems all use
  Heiti style font for the UI, we should really change it asap.

  Currently there are two choices on Ubuntu, fonts-droid and wqy-
  microhei. Below I will list out the pros and cons.

  wqy-microhei (DroidSansFallbackFull.ttf, modified):
  - Pros:
    - The advantage of wqy-microhei being its wider codepoint coverage, for 
example it also contains Japanese Kanas and Korean Hanguls in one font. The 
downside is it may be of lower quality than the original 
DroidSansFallbackFull.ttf due to its lack of maintenance in recent years.
  - Cons:
    - I am not too much in favour of using wqy-microhei, the reason being that 
it is basically a font that based on the Droid font (DroidSansFallbackFull.ttf 
to be exact).
    - Upstream has not updated wqy-microhei for long time, so it lacks any new 
updates from the Droid font, although it may not be obvious to users.
    - Another possible disadvantage of wqy-microhei is it includes more latin 
characters, which may result to inconsistent glyphs being used.

  fonts-droid (DroidSansFallbackFull.ttf, original):
  - Pros:
    - The advantage is it has coverage of CJK ext. A [1], which wqy-microhei 
does not provide.
  -Cons:
   - On the other hand, wqy-microhei has added some glyphs that the droid font 
does not provide, I don't have the exact number of that but I believe it's just 
a small number.
   - The disadvantage is it does not include Korean Hangul, which can be 
remedied with another Korean font, and it's not our current concern anyway.

  As an additional alternative, just a few days ago, Google released the
  Noto Sans CJK fonts [2][3]:

  fonts-noto (Noto Sans CJK fonts):
  - Pros:
    - It takes care of different writing standards of Traditional Chinese, 
Simplified Chinese, Japanese and Korean, which makes everyone happy (see slide 
13-14 of [3])
    - It covers Japanese and Korean as well
  - Cons:
    - Needs to be tested
    - Bigger size than the other alternatives as a result of catering for both 
Traditional and Simplified Chinese
    - Not yet packaged [4]

  [1] https://en.wikipedia.org/wiki/CJK_Unified_Ideographs_Extension_A
  [2] 
http://googledevelopers.blogspot.de/2014/07/noto-cjk-font-that-is-complete.html
  [3] 
https://docs.google.com/presentation/d/1xIBCsqwrSxowmLQS7kJm9gM58-FmOIYlZWoRlgqtqE4/edit#slide=id.g36327fada_643
  [4] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=754926

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