scenegraphfilewriter.html

JAVA多媒体开发类库说明

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<A NAME="SceneGraphFileWriter(java.io.File, com.sun.j3d.utils.universe.SimpleUniverse, boolean, java.lang.String, java.io.Serializable)"><!-- --></A><H3>
SceneGraphFileWriter</H3>
<PRE>
public <B>SceneGraphFileWriter</B>(java.io.File&nbsp;file,
                            <A HREF="../../../../../../com/sun/j3d/utils/universe/SimpleUniverse.html" title="class in com.sun.j3d.utils.universe">SimpleUniverse</A>&nbsp;universe,
                            boolean&nbsp;writeUniverseContent,
                            java.lang.String&nbsp;fileDescription,
                            java.io.Serializable&nbsp;fileUserData)
                     throws java.io.IOException,
                            <A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/UnsupportedUniverseException.html" title="class in com.sun.j3d.utils.scenegraph.io">UnsupportedUniverseException</A></PRE>
<DL>
<DD>Creates new SceneGraphFileWriter and opens the file for writing.

 <P>Writes the 
 Java3D Universe structure to the file. This includes the number and position of
 the Locales, PlatformGeometry, ViewerAvatar, and the MultitransformGroup between
 the ViewingPlatform and the View. However this
 call does not write the content of the branch graphs unless writeUniverseContent is true.
 <code>universe</code> may be null.
 This call will overwrite any existing universe, fileDescription and
 userData in the file.</P>
 
 <P>close() MUST be called when IO is complete. If close() is not called
 the file contents will be undefined.</P>
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - The file to write the data to<DD><CODE>universe</CODE> - The SimpleUniverse to write<DD><CODE>writeUniverseContent</CODE> - If true, the content of the Locales will be written.
 Otherwise just the universe configuration data will be written.<DD><CODE>fileDescription</CODE> - A description of the file's content<DD><CODE>fileUserData</CODE> - User defined object
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - Thrown if there are any IO errors
<DD><CODE><A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/UnsupportedUniverseException.html" title="class in com.sun.j3d.utils.scenegraph.io">UnsupportedUniverseException</A></CODE> - Thrown if <code>universe</code> is not
 a supported universe class. Currently SimpleUniverse and ConfiguredUniverse
 are supported.</DL>
</DL>

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<A NAME="writeBranchGraph(javax.media.j3d.BranchGroup)"><!-- --></A><H3>
writeBranchGraph</H3>
<PRE>
public void <B>writeBranchGraph</B>(<A HREF="../../../../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d">BranchGroup</A>&nbsp;graph)
                      throws java.io.IOException</PRE>
<DL>
<DD>Write the graph to the end of the file.

 close() MUST be called when IO is complete. If close() is not called
 the file contents will be undefined.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="writeBranchGraph(javax.media.j3d.BranchGroup, java.io.Serializable)"><!-- --></A><H3>
writeBranchGraph</H3>
<PRE>
public void <B>writeBranchGraph</B>(<A HREF="../../../../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d">BranchGroup</A>&nbsp;graph,
                             java.io.Serializable&nbsp;data)
                      throws java.io.IOException</PRE>
<DL>
<DD>Write a branch graph and some user associated data to the
 end of the file.

 close() MUST be called when IO is complete. If close() is not called
 the file contents will be undefined.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="addObjectName(java.lang.String, javax.media.j3d.SceneGraphObject)"><!-- --></A><H3>
addObjectName</H3>
<PRE>
public void <B>addObjectName</B>(java.lang.String&nbsp;name,
                          <A HREF="../../../../../../javax/media/j3d/SceneGraphObject.html" title="class in javax.media.j3d">SceneGraphObject</A>&nbsp;object)
                   throws <A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/NamedObjectException.html" title="class in com.sun.j3d.utils.scenegraph.io">NamedObjectException</A></PRE>
<DL>
<DD>Add a named reference to a SceneGraphObject in the file.

 <code>object</code> must have been written to the file before this method is
 called. If the object is not in the file a NamedObjectException will be thrown.

 Adding duplicate names will result in the old name being overwritten.
 Different names can reference the same object
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/NamedObjectException.html" title="class in com.sun.j3d.utils.scenegraph.io">NamedObjectException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()
           throws java.io.IOException</PRE>
<DL>
<DD>Close the file and cleanup internal data structures.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
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