JavaFX对所有控件使用等宽字体

debugcn 发表于 Dev

亚当

我在Red Hat Enterprise Linux Workstation 6.6（圣地亚哥）上使用JavaFX 1.8u40。当我运行标准JavaFX应用程序时，即使没有其他CSS，所有标签，菜单等也都使用等宽字体显示。

我使用的系统只有以下TTF字体可用

/usr/share/fonts/liberation
/usr/share/fonts/liberation/LiberationSerif-Regular.ttf
/usr/share/fonts/liberation/LiberationMono-BoldItalic.ttf
/usr/share/fonts/liberation/fonts.dir
/usr/share/fonts/liberation/LiberationMono-Italic.ttf
/usr/share/fonts/liberation/LiberationSans-Bold.ttf
/usr/share/fonts/liberation/LiberationSerif-Bold.ttf
/usr/share/fonts/liberation/LiberationMono-Regular.ttf
/usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf
/usr/share/fonts/liberation/LiberationSerif-Italic.ttf
/usr/share/fonts/liberation/LiberationSerif-BoldItalic.ttf
/usr/share/fonts/liberation/fonts.scale
/usr/share/fonts/liberation/LiberationSans-Regular.ttf
/usr/share/fonts/liberation/LiberationSans-Italic.ttf
/usr/share/fonts/liberation/LiberationMono-Bold.ttf

我已经使用OpenJFX字体指南对此进行-Dprism.debugfonts了调试。输出如下。

Loading FontFactory com.sun.javafx.font.freetype.FTFactory
Subpixel: enabled
Freetype2 Loaded (version 2.3.11)
LCD support Enabled
Time spent accessing fontconfig=4ms.
FC font sans:regular:roman maps to Liberation Mono in file /usr/share/fonts/liberation/LiberationMono-Regular.ttf
 0) Family=Liberation Mono, Style=Regular, Fullname=Liberation Mono, File=/usr/share/fonts/liberation/LiberationMono-Regular.ttf
 1) Family=Liberation Sans, Style=Regular, Fullname=Liberation Sans, File=/usr/share/fonts/liberation/LiberationSans-Regular.ttf
 2) Family=Liberation Serif, Style=Regular, Fullname=Liberation Serif, File=/usr/share/fonts/liberation/LiberationSerif-Regular.ttf
FC font sans:bold:roman maps to Liberation Mono Bold in file /usr/share/fonts/liberation/LiberationMono-Bold.ttf
 0) Family=Liberation Mono, Style=Bold, Fullname=Liberation Mono Bold, File=/usr/share/fonts/liberation/LiberationMono-Bold.ttf
 1) Family=Liberation Sans, Style=Bold, Fullname=Liberation Sans Bold, File=/usr/share/fonts/liberation/LiberationSans-Bold.ttf
 2) Family=Liberation Serif, Style=Regular, Fullname=Liberation Serif, File=/usr/share/fonts/liberation/LiberationSerif-Regular.ttf
FC font sans:regular:italic maps to Liberation Mono Italic in file /usr/share/fonts/liberation/LiberationMono-Italic.ttf
 0) Family=Liberation Mono, Style=Italic, Fullname=Liberation Mono Italic, File=/usr/share/fonts/liberation/LiberationMono-Italic.ttf
 1) Family=Liberation Sans, Style=Italic, Fullname=Liberation Sans Italic, File=/usr/share/fonts/liberation/LiberationSans-Italic.ttf
 2) Family=Liberation Serif, Style=Italic, Fullname=Liberation Serif Italic, File=/usr/share/fonts/liberation/LiberationSerif-Italic.ttf
FC font sans:bold:italic maps to Liberation Sans Bold Italic in file /usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf
 0) Family=Liberation Sans, Style=Bold Italic, Fullname=Liberation Sans Bold Italic, File=/usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf
 1) Family=Liberation Mono, Style=Bold Italic, Fullname=Liberation Mono Bold Italic, File=/usr/share/fonts/liberation/LiberationMono-BoldItalic.ttf
 2) Family=Liberation Serif, Style=Italic, Fullname=Liberation Serif Italic, File=/usr/share/fonts/liberation/LiberationSerif-Italic.ttf
FC font serif:regular:roman maps to Liberation Mono in file /usr/share/fonts/liberation/LiberationMono-Regular.ttf
 0) Family=Liberation Mono, Style=Regular, Fullname=Liberation Mono, File=/usr/share/fonts/liberation/LiberationMono-Regular.ttf
 1) Family=Liberation Sans, Style=Regular, Fullname=Liberation Sans, File=/usr/share/fonts/liberation/LiberationSans-Regular.ttf
 2) Family=Liberation Serif, Style=Regular, Fullname=Liberation Serif, File=/usr/share/fonts/liberation/LiberationSerif-Regular.ttf
FC font serif:bold:roman maps to Liberation Mono Bold in file /usr/share/fonts/liberation/LiberationMono-Bold.ttf
 0) Family=Liberation Mono, Style=Bold, Fullname=Liberation Mono Bold, File=/usr/share/fonts/liberation/LiberationMono-Bold.ttf
 1) Family=Liberation Sans, Style=Bold, Fullname=Liberation Sans Bold, File=/usr/share/fonts/liberation/LiberationSans-Bold.ttf
 2) Family=Liberation Serif, Style=Regular, Fullname=Liberation Serif, File=/usr/share/fonts/liberation/LiberationSerif-Regular.ttf
FC font serif:regular:italic maps to Liberation Mono Italic in file /usr/share/fonts/liberation/LiberationMono-Italic.ttf
 0) Family=Liberation Mono, Style=Italic, Fullname=Liberation Mono Italic, File=/usr/share/fonts/liberation/LiberationMono-Italic.ttf
 1) Family=Liberation Sans, Style=Italic, Fullname=Liberation Sans Italic, File=/usr/share/fonts/liberation/LiberationSans-Italic.ttf
 2) Family=Liberation Serif, Style=Italic, Fullname=Liberation Serif Italic, File=/usr/share/fonts/liberation/LiberationSerif-Italic.ttf
FC font serif:bold:italic maps to Liberation Sans Bold Italic in file /usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf
 0) Family=Liberation Sans, Style=Bold Italic, Fullname=Liberation Sans Bold Italic, File=/usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf
 1) Family=Liberation Mono, Style=Bold Italic, Fullname=Liberation Mono Bold Italic, File=/usr/share/fonts/liberation/LiberationMono-BoldItalic.ttf
 2) Family=Liberation Serif, Style=Italic, Fullname=Liberation Serif Italic, File=/usr/share/fonts/liberation/LiberationSerif-Italic.ttf
FC font monospace:regular:roman maps to Liberation Mono in file /usr/share/fonts/liberation/LiberationMono-Regular.ttf
 0) Family=Liberation Mono, Style=Regular, Fullname=Liberation Mono, File=/usr/share/fonts/liberation/LiberationMono-Regular.ttf
 1) Family=Liberation Sans, Style=Regular, Fullname=Liberation Sans, File=/usr/share/fonts/liberation/LiberationSans-Regular.ttf
 2) Family=Liberation Serif, Style=Regular, Fullname=Liberation Serif, File=/usr/share/fonts/liberation/LiberationSerif-Regular.ttf
FC font monospace:bold:roman maps to Liberation Mono Bold in file /usr/share/fonts/liberation/LiberationMono-Bold.ttf
 0) Family=Liberation Mono, Style=Bold, Fullname=Liberation Mono Bold, File=/usr/share/fonts/liberation/LiberationMono-Bold.ttf
 1) Family=Liberation Sans, Style=Bold, Fullname=Liberation Sans Bold, File=/usr/share/fonts/liberation/LiberationSans-Bold.ttf
 2) Family=Liberation Serif, Style=Regular, Fullname=Liberation Serif, File=/usr/share/fonts/liberation/LiberationSerif-Regular.ttf
FC font monospace:regular:italic maps to Liberation Mono Italic in file /usr/share/fonts/liberation/LiberationMono-Italic.ttf
 0) Family=Liberation Mono, Style=Italic, Fullname=Liberation Mono Italic, File=/usr/share/fonts/liberation/LiberationMono-Italic.ttf
 1) Family=Liberation Sans, Style=Italic, Fullname=Liberation Sans Italic, File=/usr/share/fonts/liberation/LiberationSans-Italic.ttf
 2) Family=Liberation Serif, Style=Italic, Fullname=Liberation Serif Italic, File=/usr/share/fonts/liberation/LiberationSerif-Italic.ttf
FC font monospace:bold:italic maps to Liberation Sans Bold Italic in file /usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf
 0) Family=Liberation Sans, Style=Bold Italic, Fullname=Liberation Sans Bold Italic, File=/usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf
 1) Family=Liberation Mono, Style=Bold Italic, Fullname=Liberation Mono Bold Italic, File=/usr/share/fonts/liberation/LiberationMono-BoldItalic.ttf
 2) Family=Liberation Serif, Style=Italic, Fullname=Liberation Serif Italic, File=/usr/share/fonts/liberation/LiberationSerif-Italic.ttf
FC name=sans style=0 uses Liberation Mono in file: /usr/share/fonts/liberation/LiberationMono-Regular.ttf

我发现使用-Dprism.useFontConfig = false会导致JavaFX默认内置于Lucida字体中，但是我需要在/ usr / share / fonts中使用Liberation文件

问题

我应该如何解释pyramid.debugfonts输出？0、1、2行是什么意思？我在网上找不到任何文档。
为什么JavaFX用等宽字体实现逻辑无字号？
如何使JavaFX使用Liberation Sans而不是mono？理想情况下，无需修改JDK安装...
这是JavaFX问题还是fontconfig问题？

更新

从我在javafx开发人员邮件列表上发布的问题开始，JavaFX仅使用包装器fc-match，因此问题一定在字体配置文件中，这在其他地方已经看到：字体问题，用于serif和sans-serif系列的等宽字体

亚当

问题似乎出在/etc/fonts/conf.d/中的fontconfig规则中，而不是JavaFX中。我还没办法解决这个问题，但是使用fc-match会产生相同的结果

fc-match sans:regular:roman 
"LiberationMono-Regular.ttf": "Liberation Mono" "Regular"

我在另一个论坛上发现了类似的问题：字体问题，用于serif和sans-serif系列的等宽字体，但没有解决方案。

添加字体配置文件，例如/etc/fonts/conf.d/88-liberation-hack.conf将解决该问题

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>

<alias>
  <family>sans-serif</family>
  <prefer><family>Liberation Sans</family></prefer>
</alias>

<alias>
  <family>serif</family>
  <prefer><family>Liberation Serif</family></prefer>
</alias>


<alias>
  <family>monospace</family>
  <prefer><family>Liberation Mono</family></prefer>
</alias>

</fontconfig>

本文收集自互联网，转载请注明来源。

如有侵权，请联系[email protected] 删除。