在 java 上为可执行 JAR 文件添加自定义字体文件

Question

I am trying to add custom font to my jswing application, and i can't find how to properly upload the.ttf file so that i can use it once i create a executable jar file.

problem here, new File(getClass().getResourceAsStream("/"+"cs_regular.ttf"))

thank you!

try {
         GraphicsEnvironment ge = 
             GraphicsEnvironment.getLocalGraphicsEnvironment();
         ge.registerFont(Font.createFont(Font.TRUETYPE_FONT, new File(getClass().getResourceAsStream("/"+"cs_regular.ttf"))));
    } catch (FontFormatException|IOException e) {
         pr("Error_107");
    }

Answer 1

It is not quite easy to create java.io.File from stream, you can create Font from stream directly. look at this answer. https://stackoverflow.com/a/40862139/10999348

Answer 2

This is my working code now

InputStream stream =ClassLoader.getSystemClassLoader().getResourceAsStream("cs_regular.ttf");
    try {
        csfont = Font.createFont(Font.TRUETYPE_FONT, stream).deriveFont(48f);
    } catch (FontFormatException|IOException e) {
        //handle exeption
    } 
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    ge.registerFont(csfont);