virtualuniverse.html

JAVA多媒体开发类库说明

<DD><DL>

<DT><B>Returns:</B><DD>the count of locales</DL>
</DD>
</DL>
<HR>

<A NAME="setJ3DThreadPriority(int)"><!-- --></A><H3>
setJ3DThreadPriority</H3>
<PRE>
public static void <B>setJ3DThreadPriority</B>(int&nbsp;priority)</PRE>
<DL>
<DD>Sets the priority of all Java 3D threads to the specified
 value.  The default value is the priority of the thread that
 started Java 3D.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>priority</CODE> - the new thread priority
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if the priority is not in
 the range MIN_PRIORITY to MAX_PRIORITY
<DD><CODE>java.lang.SecurityException</CODE> - if the priority is greater than
 that of the calling thread<DT><B>Since:</B></DT>
  <DD>Java 3D 1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getJ3DThreadPriority()"><!-- --></A><H3>
getJ3DThreadPriority</H3>
<PRE>
public static int <B>getJ3DThreadPriority</B>()</PRE>
<DL>
<DD>Retrieves that priority of Java 3D's threads.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the current priority of Java 3D's threads<DT><B>Since:</B></DT>
  <DD>Java 3D 1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getProperties()"><!-- --></A><H3>
getProperties</H3>
<PRE>
public static final java.util.Map <B>getProperties</B>()</PRE>
<DL>
<DD>Returns a read-only Map object containing key-value pairs that
 define various global properties for Java 3D.  All of the keys
 are String objects.  The values are key-specific, but most will
 be String objects.

 <p>
 The set of global Java 3D properties always includes values for
 the following keys:

 <p>
 <ul>
 <table BORDER=1 CELLSPACING=1 CELLPADDING=1>
 <tr>
 <td><b>Key (String)</b></td>
 <td><b>Value Type</b></td>
 </tr>
 <tr>
 <td><code>j3d.version</code></td>
 <td>String</td>
 </tr>
 <tr>
 <td><code>j3d.vendor</code></td>
 <td>String</td>
 </tr>
 <tr>
 <td><code>j3d.specification.version</code></td>
 <td>String</td>
 </tr>
 <tr>
 <td><code>j3d.specification.vendor</code></td>
 <td>String</td>
 </tr>
 <tr>
 <td><code>j3d.pipeline</code></td>
 <td>String</td>
 </tr>
 <tr>
 <td><code>j3d.renderer</code></td>
 <td>String</td>
 </tr>
 </table>
 </ul>

 <p>
 The descriptions of the values returned for each key are as follows:

 <p>
 <ul>

 <li>
 <code>j3d.version</code>
 <ul>
 A String that defines the Java 3D implementation version.
 The portion of the implementation version string before the first
 space must adhere to one of the the following three formats
 (anything after the first space is an optional free-form addendum
 to the version):
 <ul>
 <i>x</i>.<i>y</i>.<i>z</i><br>
 <i>x</i>.<i>y</i>.<i>z</i>_<i>p</i><br>
 <i>x</i>.<i>y</i>.<i>z</i>-<i>ssss</i><br>
 </ul>
 where:
 <ul>
 <i>x</i> is the major version number<br>
 <i>y</i> is the minor version number<br>
 <i>z</i> is the sub-minor version number<br>
 <i>p</i> is the patch revision number <br>
 <i>ssss</i> is a string, identifying a non-release build
 (e.g., beta1, build47, rc1, etc.).  It may only
 contain letters, numbers, periods, dashes, or
 underscores.
 </ul>
 </ul>
 </li>
 <p>

 <li>
 <code>j3d.vendor</code>
 <ul>
 String that specifies the Java 3D implementation vendor.
 </ul>
 </li>
 <p>

 <li>
 <code>j3d.specification.version</code>
 <ul>
 A String that defines the Java 3D specification version.
 This string must be of the following form:
 <ul>
 <i>x</i>.<i>y</i>
 </ul>
 where:
 <ul>
 <i>x</i> is the major version number<br>
 <i>y</i> is the minor version number<br>
 </ul>
 No other characters are allowed in the specification version string.
 </ul>
 </li>
 <p>

 <li>
 <code>j3d.specification.vendor</code>
 <ul>
 String that specifies the Java 3D specification vendor.
 </ul>
 </li>
 <p>

 <li>
 <code>j3d.pipeline</code>
 <ul>
 String that specifies the Java 3D rendering pipeline. This could
 be one of: "NATIVE_OGL", "NATIVE_D3D", or "JOGL". Others could be
 added in the future.
 </ul>
 </li>
 <p>

 <li>
 <code>j3d.renderer</code>
 <ul>
 String that specifies the underlying rendering library.  This could
 be one of: "OpenGL" or "DirectX". Others could be added in the future.
 </ul>
 </li>
 <p>

 </ul>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the global Java 3D properties<DT><B>Since:</B></DT>
  <DD>Java 3D 1.3</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="addGraphStructureChangeListener(javax.media.j3d.GraphStructureChangeListener)"><!-- --></A><H3>
addGraphStructureChangeListener</H3>
<PRE>
public void <B>addGraphStructureChangeListener</B>(<A HREF="../../../javax/media/j3d/GraphStructureChangeListener.html" title="interface in javax.media.j3d">GraphStructureChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Adds the specified GraphStructureChangeListener to the set of listeners
 that will be notified when the graph structure is changed on a live
 scene graph. If the specifed listener is null no action is taken and no 
 exception is thrown.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - the listener to add to the set.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeGraphStructureChangeListener(javax.media.j3d.GraphStructureChangeListener)"><!-- --></A><H3>
removeGraphStructureChangeListener</H3>
<PRE>
public void <B>removeGraphStructureChangeListener</B>(<A HREF="../../../javax/media/j3d/GraphStructureChangeListener.html" title="interface in javax.media.j3d">GraphStructureChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Removes the specified GraphStructureChangeListener from the set of listeners. This
 method performs no function, nor does it throw an exception if the specified listener
 is not currently in the set or is null.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - the listener to remove from the set.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="addShaderErrorListener(javax.media.j3d.ShaderErrorListener)"><!-- --></A><H3>
addShaderErrorListener</H3>
<PRE>
public void <B>addShaderErrorListener</B>(<A HREF="../../../javax/media/j3d/ShaderErrorListener.html" title="interface in javax.media.j3d">ShaderErrorListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Adds the specified ShaderErrorListener to the set of listeners
 that will be notified when a programmable shader error is
 detected on a live scene graph. If the specifed listener is
 null no action is taken and no exception is thrown.
 If a shader error occurs, the listeners will be called
 asynchronously from a separate notification thread. The Java 3D
 renderer and behavior scheduler will continue to run as if the
 error had not occurred, except that shading will be disabled
 for the objects in error. If applications desire to detach or
 modify the scene graph as a result of the error, they should
 use a behavior post if they want that change to be
 synchronous with the renderer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - the listener to add to the set.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeShaderErrorListener(javax.media.j3d.ShaderErrorListener)"><!-- --></A><H3>
removeShaderErrorListener</H3>
<PRE>
public void <B>removeShaderErrorListener</B>(<A HREF="../../../javax/media/j3d/ShaderErrorListener.html" title="interface in javax.media.j3d">ShaderErrorListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Removes the specified ShaderErrorListener from the set of
 listeners. This method performs no function, nor does it throw
 an exception if the specified listener is not currently in the
 set or is null.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - the listener to remove from the set.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="addRenderingErrorListener(javax.media.j3d.RenderingErrorListener)"><!-- --></A><H3>
addRenderingErrorListener</H3>
<PRE>
public static void <B>addRenderingErrorListener</B>(<A HREF="../../../javax/media/j3d/RenderingErrorListener.html" title="interface in javax.media.j3d">RenderingErrorListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Adds the specified RenderingErrorListener to the set of listeners
 that will be notified when a rendering error is detected.
 If the specifed listener is null no action is taken and no exception
 is thrown.
 If a rendering error occurs, the listeners will be called
 asynchronously from a separate notification thread.  If the set
 of listeners is empty, a default listener is notified. The
 default listener prints the error information to System.err and
 then calls System.exit().
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - the listener to add to the set.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.5</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeRenderingErrorListener(javax.media.j3d.RenderingErrorListener)"><!-- --></A><H3>
removeRenderingErrorListener</H3>
<PRE>
public static void <B>removeRenderingErrorListener</B>(<A HREF="../../../javax/media/j3d/RenderingErrorListener.html" title="interface in javax.media.j3d">RenderingErrorListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Removes the specified RenderingErrorListener from the set of
 listeners. This method performs no function, nor does it throw
 an exception if the specified listener is not currently in the
 set or is null.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - the listener to remove from the set.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.5</DD>
</DL>
</DD>
</DL>
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