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

org.apache.fop.afp.modca

## Class ObjectAreaDescriptor

- java.lang.Object
- - org.apache.fop.afp.modca.AbstractAFPObject
  - - org.apache.fop.afp.modca.AbstractStructuredObject
    - - org.apache.fop.afp.modca.AbstractTripletStructuredObject
      - - org.apache.fop.afp.modca.AbstractDescriptor
        - - org.apache.fop.afp.modca.ObjectAreaDescriptor

- All Implemented Interfaces:
    Streamable

      public class ObjectAreaDescriptor
      extends AbstractDescriptor

  The Object Area Descriptor structured field specifies the size and attributes of an object area presentation space.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.fop.afp.modca.AbstractAFPObject

      `AbstractAFPObject.Category, AbstractAFPObject.Type`

  - ### Field Summary

    - ### Fields inherited from class org.apache.fop.afp.modca.AbstractDescriptor

      `height, heightRes, width, widthRes`

    - ### Fields inherited from class org.apache.fop.afp.modca.AbstractTripletStructuredObject

      `triplets`

    - ### Fields inherited from class org.apache.fop.afp.modca.AbstractAFPObject

      `LOG, SF_CLASS, SF_HEADER_LENGTH`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ObjectAreaDescriptor(int width, int height, int widthRes, int heightRes)` Construct an object area descriptor for the specified object width and object height.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `writeToStream(OutputStream os)` DataStream objects must implement the writeToStream() method to write its data to the given OutputStream

    - ### Methods inherited from class org.apache.fop.afp.modca.AbstractDescriptor

      `getHeight, getWidth, toString`

    - ### Methods inherited from class org.apache.fop.afp.modca.AbstractTripletStructuredObject

      `addTriplet, addTriplets, getFullyQualifiedName, getTripletDataLength, getTriplets, hasTriplet, hasTriplets, setComment, setFullyQualifiedName, setFullyQualifiedName, setObjectClassification, writeTriplets`

    - ### Methods inherited from class org.apache.fop.afp.modca.AbstractStructuredObject

      `writeContent, writeEnd, writeStart`

    - ### Methods inherited from class org.apache.fop.afp.modca.AbstractAFPObject

      `copySF, copySF, truncate, writeChunksToStream, writeObjects`

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

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

- - ### Constructor Detail

    - #### ObjectAreaDescriptor

          public ObjectAreaDescriptor(int width,
                                      int height,
                                      int widthRes,
                                      int heightRes)

      Construct an object area descriptor for the specified object width and object height.
      Parameters:
        `width` - the object width.
        `height` - the object height.
        `widthRes` - the object width resolution.
        `heightRes` - the object height resolution.

  - ### Method Detail

    - #### writeToStream

          public void writeToStream(OutputStream os)
                             throws IOException

      DataStream objects must implement the writeToStream() method to write its data to the given OutputStream
      Specified by:
        `writeToStream` in interface `Streamable`
      Overrides:
        `writeToStream` in class `AbstractStructuredObject`
      Parameters:
        `os` - the outputsteam stream
      Throws:
        `IOException` - an I/O exception of some sort has occurred.

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