compressedgeometry.html

java 3d帮助文档

 header,
 or if the java.nio.Buffer contained in the specified J3DBuffer
 is not a java.nio.ByteBuffer object.<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/CompressedGeometryHeader.html"><CODE>CompressedGeometryHeader</CODE></A>, 
<A HREF="../../../javax/media/j3d/Canvas3D.html#queryProperties()"><CODE>Canvas3D.queryProperties()</CODE></A></DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="getByteCount()"><!-- --></A><H3>
getByteCount</H3>
<PRE>
public int <B>getByteCount</B>()</PRE>
<DL>
<DD>Returns the size, in bytes, of the compressed geometry buffer.
 The size of the compressed geometry header is not included.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size, in bytes, of the compressed geometry buffer.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="getCompressedGeometryHeader(javax.media.j3d.CompressedGeometryHeader)"><!-- --></A><H3>
getCompressedGeometryHeader</H3>
<PRE>
public void <B>getCompressedGeometryHeader</B>(<A HREF="../../../javax/media/j3d/CompressedGeometryHeader.html">CompressedGeometryHeader</A>&nbsp;hdr)</PRE>
<DL>
<DD>Copies the compressed geometry header from the CompressedGeometry
 NodeComponent into the passed in parameter.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>hdr</CODE> - the CompressedGeometryHeader object into which to copy the
 CompressedGeometry NodeComponent's header; the offset field may differ
 from that which was originally specified if a copy of the original
 compressed geometry byte array was created.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/CompressedGeometryHeader.html"><CODE>CompressedGeometryHeader</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getCompressedGeometry(byte[])"><!-- --></A><H3>
getCompressedGeometry</H3>
<PRE>
public void <B>getCompressedGeometry</B>(byte[]&nbsp;compressedGeometry)</PRE>
<DL>
<DD>Retrieves the compressed geometry associated with the
 CompressedGeometry NodeComponent object.  Copies the compressed
 geometry from the CompressedGeometry node into the given array.
 The array must be large enough to hold all of the bytes. 
 The individual array elements must be allocated by the caller.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>compressedGeometry</CODE> - the array into which to copy the compressed
 geometry.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph
<DD><CODE>java.lang.IllegalStateException</CODE> - if the data access mode for this
 object is by-reference.
<DD><CODE>java.lang.ArrayIndexOutOfBoundsException</CODE> - if compressedGeometry byte
 array is not large enough to receive the compressed geometry</DL>
</DD>
</DL>
<HR>

<A NAME="decompress()"><!-- --></A><H3>
decompress</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Shape3D.html">Shape3D</A>[] <B>decompress</B>()</PRE>
<DL>
<DD>Decompresses the compressed geometry.  Returns an array of Shape nodes
 containing the decompressed geometry objects, or null if the version
 number of the compressed geometry is incompatible with the decompressor
 in the current version of Java 3D.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an array of Shape nodes containing the
  geometry decompressed from this CompressedGeometry NodeComponent
  object, or null if its version is incompatible
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
  not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="isByReference()"><!-- --></A><H3>
isByReference</H3>
<PRE>
public boolean <B>isByReference</B>()</PRE>
<DL>
<DD>Retrieves the data access mode for this CompressedGeometry object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if the data access mode for this
 CompressedGeometry object is by-reference;
 <code>false</code> if the data access mode is by-copying.<DT><B>Since:</B><DD>Java 3D 1.2</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getCompressedGeometryRef()"><!-- --></A><H3>
getCompressedGeometryRef</H3>
<PRE>
public byte[] <B>getCompressedGeometryRef</B>()</PRE>
<DL>
<DD>Gets the compressed geometry data reference.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the current compressed geometry data reference;
 null is returned if this compressed geometry object was created
 with a J3DBuffer reference rather than a byte array.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalStateException</CODE> - if the data access mode for this
 object is not by-reference.
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
  not set and this object is part of live or compiled scene graph<DT><B>Since:</B><DD>Java 3D 1.2</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getCompressedGeometryBuffer()"><!-- --></A><H3>
getCompressedGeometryBuffer</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/J3DBuffer.html">J3DBuffer</A> <B>getCompressedGeometryBuffer</B>()</PRE>
<DL>
<DD>Gets the compressed geometry data buffer reference.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the current compressed geometry data buffer reference;
 null is returned if this compressed geometry object was created
 with a byte array reference rather than a J3DBuffer.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalStateException</CODE> - if the data access mode for this
 object is not by-reference.
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
  not set and this object is part of live or compiled scene graph<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="cloneNodeComponent()"><!-- --></A><H3>
cloneNodeComponent</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/NodeComponent.html">NodeComponent</A> <B>cloneNodeComponent</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>replaced with cloneNodeComponent(boolean forceDuplicate)</I>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/media/j3d/NodeComponent.html#cloneNodeComponent()">cloneNodeComponent</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/NodeComponent.html">NodeComponent</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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