Controlling Rendering Quality控制渲染质量

Use the Graphics2D class rendering hints attribute to specify whether you want objects to be rendered as quickly as possible or whether you prefer that the rendering quality be as high as possible.使用“Graphics2D类渲染提示”属性指定是希望尽快渲染对象，还是希望渲染质量尽可能高。

To set or change the rendering hints attribute in the Graphics2D context, construct a RenderingHints object and pass it into Graphics2D by using the setRenderingHints method.要在Graphics2D上下文中设置或更改“渲染提示”属性，请构造一个RenderingHints 对象，并使用SetRenderingHights方法将其传递到Graphics2D中。If you just want to set one hint, you can call Graphics2D setRenderingHint and specify the key-value pair for the hint you want to set.如果只想设置一个提示，可以调用Graphics2D setRenderingHint并为要设置的提示指定键值对。(The key-value pairs are defined in the RenderingHints class.)（键值对在RenderingHights类中定义。）

For example, to set a preference for antialiasing to be used if possible, you could use setRenderingHint:例如，若要在可能的情况下设置要使用的抗锯齿首选项，可以使用setRenderingHint：

public void paint (graphics g){
    Graphics2D g2 = (Graphics2D)g;
    RenderingHints rh = new RenderingHints(
             RenderingHints.KEY_TEXT_ANTIALIASING,
             RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    g2.setRenderingHints(rh);
...
}

RenderingHints supports the following types of hints:RenderingHints支持以下类型的提示：

When a hint is set to default, the platform rendering default is used.将提示设置为默认值时，将使用平台渲染默认值。