PDFLayerElement (Apache FOP Core 2.11 API)
Date: 2025-04-24

org.apache.fop.render.pdf.extensions

## Class PDFLayerElement

- java.lang.Object
- - org.apache.fop.fo.FONode
  - - org.apache.fop.render.pdf.extensions.AbstractPDFExtensionElement
    - - org.apache.fop.render.pdf.extensions.PDFCollectionEntryElement
      - - org.apache.fop.render.pdf.extensions.PDFDictionaryElement
        - - org.apache.fop.render.pdf.extensions.PDFLayerElement

- All Implemented Interfaces:
    Cloneable

      public class PDFLayerElement
      extends PDFDictionaryElement

  Extension element for pdf:layer.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.fop.fo.FONode

      `FONode.FONodeIterator, FONode.GatherContextInfoFunction`

  - ### Field Summary

    - ### Fields inherited from class org.apache.fop.render.pdf.extensions.PDFDictionaryElement

      `ATT_ID`

    - ### Fields inherited from class org.apache.fop.render.pdf.extensions.PDFCollectionEntryElement

      `ATT_KEY`

    - ### Fields inherited from class org.apache.fop.render.pdf.extensions.AbstractPDFExtensionElement

      `attachment`

    - ### Fields inherited from class org.apache.fop.fo.FONode

      `FO_URI, FOX_URI, locator, log, nodeChangeBarList, parent, siblings, startOfNodeChangeBarList`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `startOfNode()` Called after processNode() is called.

    - ### Methods inherited from class org.apache.fop.render.pdf.extensions.PDFDictionaryElement

      `addChildNode, endOfNode, getDictionaryExtension, getLocalName, instantiateExtensionAttachment, processNode`

    - ### Methods inherited from class org.apache.fop.render.pdf.extensions.PDFCollectionEntryElement

      `characters, getExtension`

    - ### Methods inherited from class org.apache.fop.render.pdf.extensions.AbstractPDFExtensionElement

      `getExtensionAttachment, getNamespaceURI, getNormalNamespacePrefix`

    - ### Methods inherited from class org.apache.fop.fo.FONode

      `addCharacters, attachSiblings, bind, canHaveMarkers, charIterator, clone, clone, collectDelimitedTextRanges, collectDelimitedTextRanges, createPropertyList, decorateWithContextInfo, errorText, finalizeNode, gatherContextInfo, getBuilderContext, getChangeBarList, getChildNodes, getChildNodes, getContentHandlerFactory, getContextInfo, getContextInfoAlt, getFOEventHandler, getFOValidationEventProducer, getLocator, getLocatorString, getLogger, getName, getName, getNameId, getNodePrefix, getNodeString, getParent, getRoot, getStructureTreeElement, getUserAgent, inMarker, invalidChildError, invalidChildError, invalidPropertyValueError, isBidiRangeBlockItem, isChangeBarElement, isDelimitedTextRangeBoundary, missingChildElementError, missingChildElementError, missingPropertyError, nodesOutOfOrderError, nodesOutOfOrderError, notSupportedChildError, removeChild, setLocator, setStructureTreeElement, tooManyNodesError, tooManyNodesError, tooManyNodesError, validateChildNode, validateChildNode, warningText`

    - ### Methods inherited from class java.lang.Object

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

- - ### Method Detail

    - #### startOfNode

          public void startOfNode()
                           throws FOPException

      Description copied from class: `FONode`
      Called after processNode() is called. Subclasses can do additional processing.
      Overrides:
        `startOfNode` in class `PDFDictionaryElement`
      Throws:
        `FOPException` - if there's a problem during processing

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