Java加载自定义字体文件(.ttf) [英] Java Load Custom Font File (.ttf)

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问题描述

我已经使用了下面的代码,它出现了这个堆栈跟踪:

pre $ java.io.FileNotFoundException:font .ttf(没有这样的文件或目录)
在java.io.FileInputStream.open(Native方法)$ b $在java.io.FileInputStream。< init>(FileInputStream.java:146)
在java.io.FileInputStream。< init>(FileInputStream.java:101)
at com.ominious.core.graphics.Assets.getFont(Assets.java:55)
at com.ominious .core.graphics.Assets.loadImages(Assets.java:37)
at com.ominious.core.GamePanel.init(GamePanel.java:63)
at com.ominious.core.GamePanel.run (GamePanel.java:69)
在java.lang.Thread.run(Thread.java:744)
线程Thread-1中的异常java.lang.NullPointerException $ b $ com at com。 ominious.core.graphics.Assets.loadImages(Assets.java:49)
at com.ominious.core.GamePanel.init(GamePanel.java:63)
at com.ominious.core.GamePanel。运行(GamePanel.java:69)
在java.lang.Thread.run(Thread.j ava:744)

我使用这段代码(我在资源文件中调用方法, )

  private static Font getFont(String name)throws Exception {

Font font = Font.createFont (Font.TRUETYPE_FONT,new FileInputStream(name));

返回字体;

$ / code>

我在这里调用它:

  try {
FONT = getFont(font.ttf);

tileSprites = ImageIO.read(getClass()。getResourceAsStream(/ mom.gif));

SPLASH_BACKGROUND = ImageIO.read(getClass()。getResourceAsStream(/ swag.gif));

} catch(Exception e){
Game.logger.log(LogType.ERROR_STACKTRACE);

e.printStackTrace();





(上面的类可以加载我的图片)

有没有一个原因,这是行不通的?有更好的方法吗? (是的,我已经在我的目录中)

解决方案

很可能是因为你正在运行这个jar,并且没有 File 对象来获取。比较你如何加载你的图像与 getResourceAsStream ,它可以找到解压为文件(通常用于开发)或打包到jar中的资源。在 createFont 中使用相同的 getResourceAsStream


I have used this code below, and it comes up with this stack trace:

java.io.FileNotFoundException: font.ttf (No such file or directory)
    at java.io.FileInputStream.open(Native Method)
    at java.io.FileInputStream.<init>(FileInputStream.java:146)
    at java.io.FileInputStream.<init>(FileInputStream.java:101)
    at com.ominious.core.graphics.Assets.getFont(Assets.java:55)
    at com.ominious.core.graphics.Assets.loadImages(Assets.java:37)
    at com.ominious.core.GamePanel.init(GamePanel.java:63)
    at com.ominious.core.GamePanel.run(GamePanel.java:69)
    at java.lang.Thread.run(Thread.java:744)
Exception in thread "Thread-1" java.lang.NullPointerException
    at com.ominious.core.graphics.Assets.loadImages(Assets.java:49)
    at com.ominious.core.GamePanel.init(GamePanel.java:63)
    at com.ominious.core.GamePanel.run(GamePanel.java:69)
    at java.lang.Thread.run(Thread.java:744)

I use this code (I call the method in a resource file that I know works)

    private static Font getFont(String name) throws Exception {

    Font font = Font.createFont(Font.TRUETYPE_FONT, new FileInputStream(name));

    return font;
}

And I call it here:

try {
        FONT = getFont("font.ttf");

        tileSprites = ImageIO.read(getClass().getResourceAsStream("/mom.gif"));

        SPLASH_BACKGROUND = ImageIO.read(getClass().getResourceAsStream("/swag.gif"));

    } catch (Exception e) {
        Game.logger.log(LogType.ERROR_STACKTRACE);

        e.printStackTrace();
    }

(The class above works, my image loads)

Is there a reason why this doesn't work? Is there a better method? (And yes, I do have it in my directory)

解决方案

Most probably because you're running this out of a jar, and there's no File object to get. Compare how you're loading your images with getResourceAsStream, which can find resources that are either unpacked as files (usually for development) or packaged into a jar. Use the same getResourceAsStream call in createFont.

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