I noticed that Metal L&F doesn't support certain arrow characters from Unicode, while Nimbus and GTK L&Fs do support them.
我注意到，Metal L&F不支持Unicode中的某些箭头字符，而Nimbus和GTK L&Fs支持它们。
Unsupported characters are just displayed as: ...
不支持的字符只显示为:……
Can I
我可以
- either look up (manually), which L&F supports which Unicode chars,
- 可以查询(手动)，L&F支持哪些Unicode字符，
- or find it out at runtime?
- 或者在运行时发现它?
EDIT: Or, should it only depend on the L&F's default font, my question perhaps should be:
"how do I find out, which Java font supports which Unicode characters?"
编辑:或者，如果它只依赖于L&F的默认字体，我的问题可能应该是:“我如何查找，哪些Java字体支持哪些Unicode字符?”
3 个解决方案
#1
11
You can use the canDisplay method to test if a java.awt.Font object can display a given character. You can typically get the font from GUI components using the getFont() method.
您可以使用canDisplay方法来测试java.awt。字体对象可以显示给定的字符。通常可以使用getFont()方法从GUI组件获取字体。
#2
2
If you know which unicode block contains the arrows you need, you can look it up here. Unfortunately there doesn't seem to be a page for newer JDK's.
如果知道哪个unicode块包含所需的箭头，可以在这里查找。不幸的是，似乎没有一个新的JDK页面。
#3
0
Using this piece of code you use almost every Unicode ta.setFont(new java.awt.Font("Segoe UI Emoji", 1, 20));
使用这段代码可以使用几乎所有的Unicode ta。setFont(新java.awt。字体(“Segoe UI Emoji”，1,20);
#1
11
You can use the canDisplay method to test if a java.awt.Font object can display a given character. You can typically get the font from GUI components using the getFont() method.
您可以使用canDisplay方法来测试java.awt。字体对象可以显示给定的字符。通常可以使用getFont()方法从GUI组件获取字体。
#2
2
If you know which unicode block contains the arrows you need, you can look it up here. Unfortunately there doesn't seem to be a page for newer JDK's.
如果知道哪个unicode块包含所需的箭头，可以在这里查找。不幸的是，似乎没有一个新的JDK页面。
#3
0
Using this piece of code you use almost every Unicode ta.setFont(new java.awt.Font("Segoe UI Emoji", 1, 20));
使用这段代码可以使用几乎所有的Unicode ta。setFont(新java.awt。字体(“Segoe UI Emoji”，1,20);