blocks|key|2616940|text|为此，请使用Swing而不是AWT。两者都能做到这一点，但Swing更现代，并且支持组件(JTree、JTable..)以及AWT+API所缺少的功能(双缓冲内置、键绑定、PLAFs、对富文本的支持)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2616941|使用Swing的另一个好处是，您似乎处于需要提出更多问题的阶段。大多数使用Java编写GUI的人从未使用过AWT组件，而我们其余的人几乎忘记了是如何使用的！(在这一点上，可以帮助Swing的人比JavaFX多得多。)|2616942|在AWT中，您可以使用Canvas来绘制波形，但在Swing中，您可以使用以下任一方法：|2616943|覆盖JLabel.中的paintComponent(Graphics)|2616944|A+|unordered-list-item|2616945|要在其中绘制的JPanel+(有时也称为JComponent)+BufferedImage+display|2616946|2616947|2616948|你可以在DrewTubeish上看到第一种技术的例子--这里是Leftover+Wine。|2616949|entityMap|0|LINK|mutability|MUTABLE|url|http://www.youtube.com/watch?v=B0O3lX1Idxg^0|19|5|1F|6|0|0|B|6|0|2|6|B|O|0|0|7|6|K|A|W|D|0|0|0|V|D|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@$9|13|A|14|B|C]|$9|15|A|16|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|17|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|18|8|@$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|1B|8|@$9|1C|A|1D|B|C]|$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|L|3|M|5|N|7|1G|8|@]|D|@]|E|$]]|$1|O|3|P|5|N|7|1H|8|@$9|1I|A|1J|B|C]|$9|1K|A|1L|B|C]|$9|1M|A|1N|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|1O|8|@]|D|@]|E|$]]|$1|R|3|-4|5|6|7|1P|8|@]|D|@]|E|$]]|$1|S|3|T|5|6|7|1Q|8|@]|D|@$9|1R|A|1S|1|1T]]|E|$]]|$1|U|3|-4|5|6|7|1U|8|@]|D|@]|E|$]]]|V|$W|$5|X|Y|Z|E|$10|11]]]]

Use Swing rather than AWT for this. Either is capable of doing it, but Swing is more modern and supports components (<code>JTree</code>, <code>JTable</code>..) and functionality (double-buffering built-in, key bindings, PLAFs, support for rich text) that is missing from the AWT APIs. 

Another advantage of using Swing is that it seems you are at a stage where you need to ask further questions. Most people who program GUIs using Java SE have never used AWT components, and the rest of us have mostly forgotten how! (There are also many more people who can help with Swing than JavaFX, at this point.)

In AWT you might use a <code>Canvas</code> for drawing the waveform, but in Swing you would use either of the following:

<ul>
<li>A <code>JPanel</code> (or sometimes a <code>JComponent</code>) where to paint we override <code>paintComponent(Graphics)</code></li>
<li>A <code>BufferedImage</code> display in a <code>JLabel</code>.</li>
</ul>

You can see examples of the first technique at DrewTubeish - here is <a href="http://www.youtube.com/watch?v=B0O3lX1Idxg" rel="nofollow">Leftover Wine</a>.

blocks|key|4252726|text|你会被允许使用JavaFx吗？我问这个问题的原因是，JavaFx+2.0有一些优秀的应用程序接口专门为这类多媒体任务设计的。当然，使用swing或awt可以做到这一点，但是为什么不善待自己呢？我没有时间或篇幅在这里深入探讨，但我会推荐Apress的“Introduction+to+JavaFX2.0+by+Example”或“Pro+Javafx+2.0”。我会说第二个更好，更全面。我相信两者都有样例代码，可以完成您刚才所描述的内容。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4252727|祝你好运！|4252728|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Would you be allowed to use JavaFx? Reason I ask is JavaFx 2.0 has some excellent api's designed specifically for this sort of multimedia task. This is doable with swing or awt for sure but why not be kind to yourself? I don't have time or space to go deeply into it here but I'd recommend either 'Introduction to Javafx 2.0 by Example' or 'Pro JavaFx 2.0' both by Apress. I'd say the second is better, more comprehensive. I believe both have sample code that does pretty much what you just described.

Good luck!!

blocks|key|4342598|text|JFreeChart包括一个合适图表的variety；有一个时域示例here。该KineticModel扩展了JLabel并实现了Icon以显示频域Histogram。两者都不需要Swing，但它们在Swing上下文中都能更好地工作。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4342599|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/tags/jfreechart/info|1|http://www.jfree.org/jfreechart/samples.html|2|https://stackoverflow.com/a/5048863/230513|3|https://sites.google.com/site/drjohnbmatthews/kineticmodel|4|https://sites.google.com/site/drjohnbmatthews/kineticmodel/code#Histogram^0|0|A|14|C|1J|6|1T|4|22|9|0|A|0|J|7|1|Y|4|2|14|C|3|22|9|4|0^^$0|@$1|2|3|4|5|6|7|V|8|@$9|W|A|X|B|C]|$9|Y|A|Z|B|C]|$9|10|A|11|B|C]|$9|12|A|13|B|C]|$9|14|A|15|B|C]]|D|@$9|16|A|17|1|18]|$9|19|A|1A|1|1B]|$9|1C|A|1D|1|1E]|$9|1F|A|1G|1|1H]|$9|1I|A|1J|1|1K]]|E|$]]|$1|F|3|-4|5|6|7|1L|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]|N|$5|I|J|K|E|$L|O]]|P|$5|I|J|K|E|$L|Q]]|R|$5|I|J|K|E|$L|S]]|T|$5|I|J|K|E|$L|U]]]]

<a href="https://stackoverflow.com/tags/jfreechart/info"><code>JFreeChart</code></a> includes a <a href="http://www.jfree.org/jfreechart/samples.html" rel="nofollow noreferrer">variety</a> of suitable charts; there's a time domain example <a href="https://stackoverflow.com/a/5048863/230513">here</a>. This <a href="https://sites.google.com/site/drjohnbmatthews/kineticmodel" rel="nofollow noreferrer"><code>KineticModel</code></a> extends <code>JLabel</code> and implements <code>Icon</code> to display a frequency domain <a href="https://sites.google.com/site/drjohnbmatthews/kineticmodel/code#Histogram" rel="nofollow noreferrer"><code>Histogram</code></a>. Neither requires Swing, but either works better in a Swing context.

blocks|key|4342647|text|我在音频的主要项目中使用过AWT、Swing和JavaFX，包括波形绘制和编辑。以下是我的想法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4342648|4342649|AWT不是正在开发或教授的。我不知道有没有开发人员还在使用它。我不会用它的。|unordered-list-item|4342650|JavaFX简直是个灾难。早在2010年，我正在开发最大的JavaFX代码库，我们放弃了它，转而使用swing。我确信它已经变得更好了，但我还没有听到任何人说它可以处理大型项目。如果你的项目很小，JavaFX可能是一个很好的选择，或者如果你感觉很强烈，你可能想要做进一步的研究。你可以在这里阅读更多关于我的经验：http://blog.bjornroche.com/2010/03/java-nofx-why-one-project-dropped.html|offset|length|4342651|Swing有问题，理应受到很多批评，但如果你知道你在做什么，它可能会很棒。我用它开发了一些非常棒的UI(它们看起来和设计一模一样)。Swing是在AWT之上编写的，你可能会认为这会使它变得更慢，但有很多优化实际上使它在大多数平台上都非常快。如果我理解正确的话，CodenameOne使用了类似swing的接口，所以在我的书中，这是另一种选择:swing是另一种选择。我从来没有用过它，但我知道你必须用它来做你自己的内存管理，这就失去了使用http://www.eclipse.org/swt/的很多优点。就像我说的，我从来没有用过它，所以我可能是错的。它是Eclipse的原生工具包。|4342652|4342653|entityMap|0|LINK|mutability|MUTABLE|url|http://blog.bjornroche.com/2010/03/java-nofx-why-one-project-dropped.html|1|http://www.eclipse.org/swt/^0|0|0|0|4C|21|0|0|63|R|1|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|X|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|Y|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|Z|8|@]|9|@$H|10|I|11|1|12]]|A|$]]|$1|J|3|K|5|E|7|13|8|@]|9|@$H|14|I|15|1|16]]|A|$]]|$1|L|3|-4|5|6|7|17|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]|U|$5|P|Q|R|A|$S|V]]]]

I've used AWT, Swing and JavaFX for major projects in Audio, including waveform drawing and editing. Here are my thoughts:

<ul>
<li>AWT is not being developed or taught. I don't know of any developers who still work with it. I would not use it.</li>
<li>JavaFX is a disaster. Back in 2010 I was working on the largest JavaFX codebase around, and we dropped it for swing. I'm sure it's gotten better, but I haven't yet heard anyone say it can handle major projects. If your project is small, JavaFX may be a good choice, or if you feel strongly, you may want to do further research. You can read more about my experience here: <a href="http://blog.bjornroche.com/2010/03/java-nofx-why-one-project-dropped.html" rel="nofollow">http://blog.bjornroche.com/2010/03/java-nofx-why-one-project-dropped.html</a></li>
<li>Swing has problems, and deserves much of the criticism it receives, but if you know what you are doing it can be awesome. I have developed some kick-ass UI's with it (they looked EXACTLY like the designs). Swing is written on top of AWT, which you would think would make it slower, but there are a lot of optimizations that actually make it very fast on most platforms. If I understand correctly, CodenameOne uses a swing-like interface, so in my book, that's another vote for swing: <a href="http://www.codenameone.com/" rel="nofollow">http://www.codenameone.com/</a></li>
<li>SWT is another option. <a href="http://www.eclipse.org/swt/" rel="nofollow">http://www.eclipse.org/swt/</a> I have never used it, but I understand you have to do your own memory management with that, which, IMO, takes away a lot of the advantages of using Java. Like I said, though, I've never used it so I could be wrong. It is the native toolkit of Eclipse.</li>
</ul>

We are trying to display the input audio signals already recorded form an electric guitar, using a variety of amplifiers. We are looking for an algorithm to display with Java.

We are currently looking at AWT and Swing libraries and are wondering: which would be better suited to graphic or visually displaying this?

Displaying audio signals

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

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我们正在尝试使用各种放大器显示已经从电吉他录制的输入音频信号。我们正在寻找一种用Java显示的算法。我们目前正在研究AWT和Swing库，并想知道:哪一个更适合于图形或可视化显示？

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