com.itextpdf.kernel.utils.annotationsflattening

Class DefaultAnnotationFlattener

java.lang.Object

com.itextpdf.kernel.utils.annotationsflattening.DefaultAnnotationFlattener

All Implemented Interfaces:

IAnnotationFlattener

Direct Known Subclasses:

AbstractTextMarkupAnnotationFlattener

public class DefaultAnnotationFlattener
extends Object
implements IAnnotationFlattener

This class is used to flatten annotations. The default implementation first tries to draw the normal appearance stream of the annotation. If the normal appearance stream is not present, then it tries to draw the annotation using the fallback implementation.

Constructor Summary

Constructors

Constructor and Description
DefaultAnnotationFlattener() Creates a new DefaultAnnotationFlattener instance.

Method Summary

Modifier and Type	Method and Description
protected PdfCanvas	createCanvas(PdfPage page) Creates a canvas.
protected boolean	draw(PdfAnnotation annotation, PdfPage page) Draws annotation.
boolean	flatten(PdfAnnotation annotation, PdfPage page) Flatten annotation.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultAnnotationFlattener

public DefaultAnnotationFlattener()

Creates a new DefaultAnnotationFlattener instance.

Method Detail

flatten

public boolean flatten(PdfAnnotation annotation,
                       PdfPage page)

Flatten annotation.

Specified by:

flatten in interface IAnnotationFlattener

Parameters:

annotation - annotation to flatten

page - page to flatten annotation on

Returns:

true if annotation was flattened, false otherwise

createCanvas

protected PdfCanvas createCanvas(PdfPage page)

Creates a canvas. It will draw above the other items on the canvas.

Parameters:

page - the page to draw the annotation on

Returns:

the PdfCanvas the annotation will be drawn upon.

draw

protected boolean draw(PdfAnnotation annotation,
                       PdfPage page)

Draws annotation. This method is called if the normal appearance stream of the annotation is not present. The default implementation returns false.

Parameters:

annotation - annotation to draw

page - page to draw annotation on

Returns:

true if annotation was drawn, false otherwise