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/OpenJDK 21

Class LayeredHighlighter

java.lang.Object
javax.swing.text.LayeredHighlighter
All Implemented Interfaces:
Highlighter
Direct Known Subclasses:
DefaultHighlighter
public abstract class LayeredHighlighter extends Object implements Highlighter
Implementation of Highlighter interface to mark up the background of leaf views with colored areas.
See Also:

Nested Class Summary

Modifier and Type Class Description
static class  LayeredHighlighter.LayerPainter
Layered highlight renderer.

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

Highlighter.Highlight, Highlighter.HighlightPainter

Constructor Summary

Modifier Constructor Description
protected
Constructor for subclasses to call.

Method Summary

Modifier and Type Method Description
abstract void paintLayeredHighlights(Graphics g, int p0, int p1, Shape viewBounds, JTextComponent editor, View view)
When leaf Views (such as LabelView) are rendering they should call into this method.

Methods declared in class java.lang.Object

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

Constructor Details

LayeredHighlighter

protected LayeredHighlighter()
Constructor for subclasses to call.

Method Details

paintLayeredHighlights

public abstract void paintLayeredHighlights(Graphics g, int p0, int p1, Shape viewBounds, JTextComponent editor, View view)
When leaf Views (such as LabelView) are rendering they should call into this method. If a highlight is in the given region it will be drawn immediately.
Parameters:
g - Graphics used to draw
p0 - starting offset of view
p1 - ending offset of view
viewBounds - Bounds of View
editor - JTextComponent
view - View instance being rendered

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/text/LayeredHighlighter.html