Re: Support emoji fonts

Guo Yunhe <guoyunhebrave@xxxxxxxxx> · Wed, 7 Sep 2016 14:30:25 +0300



    Here is the official define of emoji characters. (Opening this
      page may hang your browser for a while!!!)
      http://unicode.org/emoji/charts/full-emoji-list.html
    Hope it would be helpful.

    
    在 2016年09月07日 14:21, Akira TAGOH 写道:

    
      The problem on that idea is how to figure out what
        the minimal coverage in emoji block. at this point, the minimal
        glyph coverage for langs are defined in fc-lang/*.orth and cache
        files contains lang property only which fonts satisfies the
        coverage for. if there are any specs defining a must or an
        optional to have, that may be helpful otherwise we may need to
        think about another idea for that.
        

        maybe good to have a property in a cache to indicate if a
          font has an emoji or not, and we could leave the way to use it
          to applications perhaps.
      
      
        On Wed, Sep 7, 2016 at 4:28 PM, Guo
          Yunhe <guoyunhebrave@xxxxxxxxx>
          wrote:

          Hi, I
            recently studied some emoji fonts. These emoji fonts have
            fontconfig difficulties when packaging. They try to set the
            font as default emoji font but do not affect others. Usually
            the font has a separated configure file.

            
            <match>

              <test name="family">

                <string>sans-serif</string>

              </test>

              <edit binding="strong" name="family">

                <string>Nimbus Sans L</string>

                <string>EmojiOne Color</string>

              </edit>

            </match>

            
            However, this will affect sans-serif font settings of other
            font packages or users' setting, because the package do not
            know which sans-serif font users want to use.

            
            I suggest maybe we can map the Unicode emoji block as test
            condition. Just like when we set a Japanese font, it won't
            affect English and Arabic fonts.

            
            <match>

              <test name="family">

                <string>sans-serif</string>

              </test>

              <test name="lang">

                <string>emoji</string>

              </test>

              <edit binding="strong" name="family">

                <string>EmojiOne Color</string>

              </edit>

            </match>

                
                -- 

                Guo Yunhe

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        -- 

        Akira
          TAGOH
      
    
    -- 

      Guo Yunhe
  

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