ICSのフォント関係で気になること

2011年10月19日 by
カテゴリ: Android, 電話 

フォントかよ…

/system/etc/system_fonts.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    System Fonts

    This file lists the font families that will be used by default for all supported glyphs.
    Each entry consists of a family, various names that are supported by that family, and
    up to four font files. The font files are listed in the order of the styles which they
    support: regular, bold, italic and bold-italic. If less than four styles are listed, then
    the styles with no associated font file will be supported by the other font files listed.

    The first family is also the default font, which handles font request that have not specified
    specific font names.

    Any glyph that is not handled by the system fonts will cause a search of the fallback fonts.
    The default fallback fonts are specified in the file /system/etc/fallback_fonts.xml, and there
    is an optional file which may be supplied by vendors to specify other fallback fonts to use
    in /vendor/etc/fallback_fonts.xml.
-->
<familyset>

    <family>
        <nameset>
            <name>sans-serif</name>
            <name>arial</name>
            <name>helvetica</name>
            <name>tahoma</name>
            <name>verdana</name>
        </nameset>
        <fileset>
            <file>Roboto-Regular.ttf</file>
            <file>Roboto-Bold.ttf</file>
            <file>Roboto-Italic.ttf</file>
            <file>Roboto-BoldItalic.ttf</file>
        </fileset>
    </family>

    <family>
        <nameset>
            <name>serif</name>
            <name>times</name>
            <name>times new roman</name>
            <name>palatino</name>
            <name>georgia</name>
            <name>baskerville</name>
            <name>goudy</name>
            <name>fantasy</name>
            <name>cursive</name>
            <name>ITC Stone Serif</name>
        </nameset>
        <fileset>
            <file>DroidSerif-Regular.ttf</file>
            <file>DroidSerif-Bold.ttf</file>
            <file>DroidSerif-Italic.ttf</file>
            <file>DroidSerif-BoldItalic.ttf</file>
        </fileset>
    </family>

    <family>
        <nameset>
            <name>Droid Sans</name>
        </nameset>
        <fileset>
            <file>DroidSans.ttf</file>
            <file>DroidSans-Bold.ttf</file>
        </fileset>
    </family>

    <family>
        <nameset>
            <name>monospace</name>
            <name>courier</name>
            <name>courier new</name>
            <name>monaco</name>
        </nameset>
        <fileset>
            <file>DroidSansMono.ttf</file>
        </fileset>
    </family>

</familyset>

/system/etc/fallback_fonts.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    Fallback Fonts

    This file specifies the fonts, and the priority order, that will be searched for any
    glyphs not handled by the default fonts specified in /system/etc/system_fonts.xml.
    Each entry consists of a family tag and a list of files (file names) which support that
    family. The fonts for each family are listed in the order of the styles that they
    handle (the order is: regular, bold, italic, and bold-italic). The order in which the
    families are listed in this file represents the order in which these fallback fonts
    will be searched for glyphs that are not supported by the default system fonts (which are
    found in /system/etc/system_fonts.xml).

    Note that there is not nameset for fallback fonts, unlike the fonts specified in
    system_fonts.xml. The ability to support specific names in fallback fonts may be supported
    in the future. For now, the lack of files entries here is an indicator to the system that
    these are fallback fonts, instead of default named system fonts.

    There is another optional file in /vendor/etc/fallback_fonts.xml. That file can be used to
    provide references to other font families that should be used in addition to the default
    fallback fonts. That file can also specify the order in which the fallback fonts should be
    searched, to ensure that a vendor-provided font will be used before another fallback font
    which happens to handle the same glyph.
-->
<familyset>
    <family>
        <fileset>
            <file>DroidNaskh-Regular.ttf</file>
        </fileset>
    </family>
    <family>
        <fileset>
            <file>DroidSansEthiopic-Regular.ttf</file>
        </fileset>
    </family>
    <family>
        <fileset>
            <file>DroidSansHebrew-Regular.ttf</file>
            <file>DroidSansHebrew-Bold.ttf</file>
        </fileset>
    </family>
    <family>
        <fileset>
            <file>DroidSansThai.ttf</file>
        </fileset>
    </family>
    <family>
        <fileset>
            <file>DroidSansArmenian.ttf</file>
        </fileset>
    </family>
    <family>
        <fileset>
            <file>DroidSansGeorgian.ttf</file>
        </fileset>
    </family>
    <family>
        <fileset>
            <file>Lohit-Devanagari.ttf</file>
        </fileset>
    </family>
    <family>
        <fileset>
            <file>DroidSansFallback.ttf</file>
        </fileset>
    </family>
</familyset>

んーと、今までは OS で読み込むフォントが skia に固定値で入ってたんだけど XML ファイルで設定できるようになりましたってことかな?かな?

さらに /vendor/etc/fallback_fonts.xml で指定すればそっちも使うよってこと?こと?

ソースまだー?

そういやそもそも 3.x 知らないので前からそうだったらごめんなさいw

ちなみに、DroidSans.ttf シリーズは Roboto-Regular.ttf へのリンクになってました。

更に言うとエミュレーター用のイメージにはやっぱり日本語フォントは入ってませんでした。

そもそも fallback_fonts.xml にも記述ないってどういうことかー

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