如何在 Java 中绘制一个看起来像样的圆圈 [英] How to draw a decent looking Circle in Java

问题描述

我尝试过使用具有相同高度和宽度的 drawOval 方法，但随着直径的增加，圆的外观变得更糟.无论大小，我该怎么做才能拥有一个像样的圆圈.我将如何在 java 或其他方法中实现抗锯齿.

I have tried using the method drawOval with equal height and width but as the diameter increases the circle becomes worse looking. What can I do to have a decent looking circle no matter the size. How would I implement anti-aliasing in java or some other method.

推荐答案

事实证明，Java2D(我假设是你正在使用的)在这方面已经相当出色了！这里有一个不错的教程:http://www.javaworld.com/javaworld/jw-08-1998/jw-08-media.html

As it turns out, Java2D (which I'm assuming is what you're using) is already pretty good at this! There's a decent tutorial here: http://www.javaworld.com/javaworld/jw-08-1998/jw-08-media.html

重要的一行是:

graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                          RenderingHints.VALUE_ANTIALIAS_ON);

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