Module java.desktop

Package javax.swing.text

Class LayeredHighlighter

java.lang.Object

javax.swing.text.LayeredHighlighter

所有已实现的接口:

Highlighter

直接已知的子类:

DefaultHighlighter

       public abstract class LayeredHighlighter extends Object implements Highlighter
      

实现了Highlighter接口，用于标记叶视图的背景为彩色区域。

参见:

• Highlighter

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LayeredHighlighter.LayerPainter	分层高亮渲染器。

Nested classes/interfaces declared in interface javax.swing.text.Highlighter

Highlighter.Highlight, Highlighter.HighlightPainter

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LayeredHighlighter()	子类调用的构造函数。

Method Summary

Modifier and Type	Method	Description
abstract void	paintLayeredHighlights(Graphics g, int p0, int p1, Shape viewBounds, JTextComponent editor, View view)	当叶视图（如LabelView）进行渲染时，应调用此方法。

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods declared in interface javax.swing.text.Highlighter

addHighlight, changeHighlight, deinstall, getHighlights, install, paint, removeAllHighlights, removeHighlight

Constructor Details

LayeredHighlighter

             protected LayeredHighlighter()
            

子类调用的构造函数。

Method Details

paintLayeredHighlights

             public abstract void paintLayeredHighlights(Graphics g, int p0, int p1, Shape viewBounds, JTextComponent editor, View view)
            

当叶视图（如LabelView）进行渲染时，应调用此方法。如果给定区域内存在高亮，则将立即绘制。

参数:

g - 用于绘制的Graphics对象

p0 - 视图的起始偏移量

p1 - 视图的结束偏移量

viewBounds - 视图的边界

editor - JTextComponent

view - 正在渲染的View实例