m3g.html.svn-base

j2me设计的界面包

          boolean depth,
          int arguments,
          <A HREF="../../../com/sun/lwuit/M3G.Callback.html" title="interface in com.sun.lwuit">M3G.Callback</A>&nbsp;c)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Binds the Graphics3D object to the current graphics context and invokes
 callback to perform the rendering.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="getInstance()"><!-- --></A><H3>
getInstance</H3>
<PRE>
public static <A HREF="../../../com/sun/lwuit/M3G.html" title="class in com.sun.lwuit">M3G</A> <B>getInstance</B>()</PRE>
<DL>
<DD>Returns the singleton instance of this class
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the singleton instance of this class</DL>
</DD>
</DL>
<HR>

<A NAME="isM3GSupported()"><!-- --></A><H3>
isM3GSupported</H3>
<PRE>
public static boolean <B>isM3GSupported</B>()</PRE>
<DL>
<DD>Returns true if the M3G (JSR 184) API is supported on this device
<P>
<DD><DL>

<DT><B>Returns:</B><DD>True if this device supports M3G</DL>
</DD>
</DL>
<HR>

<A NAME="getMaxTextureDimension()"><!-- --></A><H3>
getMaxTextureDimension</H3>
<PRE>
public int <B>getMaxTextureDimension</B>()</PRE>
<DL>
<DD>Returns the maximum size for a texture according to the underlying graphics engine
<P>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="closestLowerPowerOf2(int)"><!-- --></A><H3>
closestLowerPowerOf2</H3>
<PRE>
public static int <B>closestLowerPowerOf2</B>(int&nbsp;x)</PRE>
<DL>
<DD>Helper method returns the closest power of two smaller than X
<P>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="closestHigherPowerOf2(int)"><!-- --></A><H3>
closestHigherPowerOf2</H3>
<PRE>
public static int <B>closestHigherPowerOf2</B>(int&nbsp;x)</PRE>
<DL>
<DD>Helper method returns the closest power of two larger than X
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="renderM3G(com.sun.lwuit.Graphics, boolean, int, com.sun.lwuit.M3G.Callback)"><!-- --></A><H3>
renderM3G</H3>
<PRE>
public void <B>renderM3G</B>(<A HREF="../../../com/sun/lwuit/Graphics.html" title="class in com.sun.lwuit">Graphics</A>&nbsp;g,
                      boolean&nbsp;depth,
                      int&nbsp;arguments,
                      <A HREF="../../../com/sun/lwuit/M3G.Callback.html" title="interface in com.sun.lwuit">M3G.Callback</A>&nbsp;c)</PRE>
<DL>
<DD>Binds the Graphics3D object to the current graphics context and invokes
 callback to perform the rendering. This method is responsible for flushing
 the graphics3D object and buffer to avoid problems related to 2D/3D rendering
 pipeline collision.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g</CODE> - Graphics context to draw on, notice that translate and clipping might be ignored<DD><CODE>depth</CODE> - should depth buffering be used in the graphics context bind method<DD><CODE>arguments</CODE> - arguments to the Graphics3D bind method<DD><CODE>c</CODE> - the callback invoked to perform the actual 3D rendering</DL>
</DD>
</DL>
<HR>

<A NAME="createImage2D(int, com.sun.lwuit.Image)"><!-- --></A><H3>
createImage2D</H3>
<PRE>
public javax.microedition.m3g.Image2D <B>createImage2D</B>(int&nbsp;type,
                                                    <A HREF="../../../com/sun/lwuit/Image.html" title="class in com.sun.lwuit">Image</A>&nbsp;img)</PRE>
<DL>
<DD>Converts an image to a new image 2D object, notice that further changes to
 the would have no effect on the Image2D object.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>type</CODE> - the type of the image e.g. RGB, ARGB etc.<DD><CODE>img</CODE> - image to convert
<DT><B>Returns:</B><DD>Image2D object useful in the 3D API</DL>
</DD>
</DL>
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