Package com.itextpdf.text.pdf.parser

Class FilteredRenderListener

java.lang.Object

com.itextpdf.text.pdf.parser.FilteredRenderListener

All Implemented Interfaces:

RenderListener

Direct Known Subclasses:

FilteredTextRenderListener

public class FilteredRenderListener
extends Object
implements RenderListener

A text render listener that filters text operations before passing them on to a delegate

Since:

5.0.1

Field Summary

Fields

Modifier and Type	Field	Description
private final RenderListener	delegate	The delegate that will receive the text render operation if the filters all pass
private final RenderFilter[]	filters	The filters to be applied

Constructor Summary

Constructors

Constructor	Description
FilteredRenderListener(RenderListener delegate, RenderFilter... filters)	Construction

Method Summary

Modifier and Type	Method	Description
void	beginTextBlock()	This class delegates this call
void	endTextBlock()	This class delegates this call
void	renderImage(ImageRenderInfo renderInfo)	Applies filters, then delegates to the delegate if all filters pass
void	renderText(TextRenderInfo renderInfo)	Applies filters, then delegates to the delegate if all filters pass

Methods inherited from class java.lang.Object

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

Field Details

delegate

private final RenderListener delegate

The delegate that will receive the text render operation if the filters all pass

filters

private final RenderFilter[] filters

The filters to be applied

Constructor Details

FilteredRenderListener

public FilteredRenderListener(RenderListener delegate,
 RenderFilter... filters)

Construction

Parameters:

delegate - the delegate RenderListener that will receive filtered text operations

filters - the filter(s) to apply

Method Details

renderText

public void renderText(TextRenderInfo renderInfo)

Applies filters, then delegates to the delegate if all filters pass

Specified by:

renderText in interface RenderListener

Parameters:

renderInfo - contains info to render text

See Also:

• RenderListener.renderText(com.itextpdf.text.pdf.parser.TextRenderInfo)

beginTextBlock

public void beginTextBlock()

This class delegates this call

Specified by:

beginTextBlock in interface RenderListener

See Also:

• RenderListener.beginTextBlock()

endTextBlock

public void endTextBlock()

This class delegates this call

Specified by:

endTextBlock in interface RenderListener

See Also:

• RenderListener.endTextBlock()

renderImage

public void renderImage(ImageRenderInfo renderInfo)

Applies filters, then delegates to the delegate if all filters pass

Specified by:

renderImage in interface RenderListener

Parameters:

renderInfo - information specifying what to render

Since:

5.0.1

See Also:

• RenderListener.renderImage(com.itextpdf.text.pdf.parser.ImageRenderInfo)