qdgraphics.html

这个是java的quicktime for java 的详细使用文档

<A NAME="validScratch"><!-- --></A><H3>
validScratch</H3>
<PRE>
public static <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A> <B>validScratch</B></PRE>
<DL>
<DD>This holds a reference to the scratchGWorld that you can use 
 as a temporary destination graphics and still be considered as a valid
 destination graphics by QTDrawable objects.</DL>
<HR>

<A NAME="kDefaultPixelFormat"><!-- --></A><H3>
kDefaultPixelFormat</H3>
<PRE>
public static final int <B>kDefaultPixelFormat</B></PRE>
<DL>
<DD>This is the default pixel format that is used to create offscreen graphics contexts when
 no format is used. It is the same format as Java image classes use internally
 ie. ARGB at 32bits per pixel.</DL>

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<A NAME="QDGraphics(quicktime.std.qtcomponents.ImageCompressionDialog, quicktime.qd.QDRect, int)"><!-- --></A><H3>
QDGraphics</H3>
<PRE>
public <B>QDGraphics</B>(<A HREF="../../quicktime/std/qtcomponents/ImageCompressionDialog.html">ImageCompressionDialog</A>&nbsp;d,
                  <A HREF="../../quicktime/qd/QDRect.html">QDRect</A>&nbsp;rp,
                  int&nbsp;flags)
           throws <A HREF="../../quicktime/QTException.html">QTException</A></PRE>
<DL>
<DD>Creates an offscreen QDGraphics based on the current compression settings.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QTC/imImageCompDialog.1d.htm#imImag50">QuickTime::SCNewGWorld()</a> </b><BR><BR>
<DT><B>Parameters:</B><DD><CODE>rp</CODE> - the boundaries of the graphics world.<DD><CODE>flags</CODE> - flags as specified to NewGWorld.<DT><B>See Also: </B><DD><A HREF="../../quicktime/std/qtcomponents/ImageCompressionDialog.html#newGWorld(quicktime.qd.QDRect, int)"><CODE>ImageCompressionDialog.newGWorld(quicktime.qd.QDRect, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="QDGraphics(quicktime.std.image.ImageDescription, int)"><!-- --></A><H3>
QDGraphics</H3>
<PRE>
public <B>QDGraphics</B>(<A HREF="../../quicktime/std/image/ImageDescription.html">ImageDescription</A>&nbsp;id,
                  int&nbsp;flags)
           throws <A HREF="../../quicktime/QTException.html">QTException</A></PRE>
<DL>
<DD>Creates an offscreen QDGraphics object from the width, height, depth, and color table
 of a specified image description structure.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqImageCompMgr.29.htm#iqImag224">QuickTime::NewImageGWorld</a> </b><BR><BR>
<DT><B>Parameters:</B><DD><CODE>flags</CODE> - holding graphics world flags.<DT><B>See Also: </B><DD><CODE>quicktime.std.image.ImageDescription#newGWorld()</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="QDGraphics(quicktime.qd.QDRect)"><!-- --></A><H3>
QDGraphics</H3>
<PRE>
public <B>QDGraphics</B>(<A HREF="../../quicktime/qd/QDRect.html">QDRect</A>&nbsp;bounds)
           throws <A HREF="../../quicktime/QTException.html">QTException</A></PRE>
<DL>
<DD>An offscreen graphics world in Color QuickDraw contains a GWorld - and
 its handles to associated PixMap and ColorTables - that describe an offscreen
 graphics port. Uses a pixel depth of 32 bits in ARGB format
 and no special flags settings. By default the pixels are locked.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/ref_undocfuncs.htm#pgfId=17227">QuickTime::QTNewGWorld</a> </b><BR><BR>
<DT><B>Parameters:</B><DD><CODE>bounds</CODE> - the boundary rectangle and port rectangle for the offscreen
                   pixel map</DL>
</DD>
</DL>
<HR>

<A NAME="QDGraphics(int, quicktime.qd.QDRect)"><!-- --></A><H3>
QDGraphics</H3>
<PRE>
public <B>QDGraphics</B>(int&nbsp;pixelFormat,
                  <A HREF="../../quicktime/qd/QDRect.html">QDRect</A>&nbsp;bounds)
           throws <A HREF="../../quicktime/QTException.html">QTException</A></PRE>
<DL>
<DD>An offscreen graphics world in Color QuickDraw contains a GWorld - and
 its handles to associated PixMap and ColorTables - that describe an offscreen
 graphics port. By default the pixels are locked.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/ref_undocfuncs.htm#pgfId=17227">QuickTime::QTNewGWorld</a> </b><BR><BR>
<DT><B>Parameters:</B><DD><CODE>pixelFormat</CODE> - the format of the pixels.<DD><CODE>bounds</CODE> - the boundary rectangle and port rectangle for the offscreen
                   pixel map</DL>
</DD>
</DL>
<HR>

<A NAME="QDGraphics(int, quicktime.qd.QDRect, int)"><!-- --></A><H3>
QDGraphics</H3>
<PRE>
public <B>QDGraphics</B>(int&nbsp;pixelFormat,
                  <A HREF="../../quicktime/qd/QDRect.html">QDRect</A>&nbsp;bounds,
                  int&nbsp;flags)
           throws <A HREF="../../quicktime/QTException.html">QTException</A></PRE>
<DL>
<DD>An offscreen graphics world in Color QuickDraw contains a GWorld - and
 its handles to associated PixMap and ColorTables - that describe an offscreen
 graphics port. By default the pixels are locked.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/ref_undocfuncs.htm#pgfId=17227">QuickTime::QTNewGWorld</a> </b><BR><BR>
<DT><B>Parameters:</B><DD><CODE>pixelFormat</CODE> - the format of the pixels.<DD><CODE>bounds</CODE> - the boundary rectangle and port rectangle for the offscreen
                   pixel map<DD><CODE>flags</CODE> - options available to your application. See GWorld flags above</DL>
</DD>
</DL>
<HR>

<A NAME="QDGraphics(int, quicktime.qd.QDRect, quicktime.qd.ColorTable, quicktime.qd.GDevice, int)"><!-- --></A><H3>
QDGraphics</H3>
<PRE>
public <B>QDGraphics</B>(int&nbsp;pixelFormat,
                  <A HREF="../../quicktime/qd/QDRect.html">QDRect</A>&nbsp;bounds,
                  <A HREF="../../quicktime/qd/ColorTable.html">ColorTable</A>&nbsp;cTable,
                  <A HREF="../../quicktime/qd/GDevice.html">GDevice</A>&nbsp;aGDevice,
                  int&nbsp;flags)
           throws <A HREF="../../quicktime/QTException.html">QTException</A></PRE>
<DL>
<DD>An offscreen graphics world in Color QuickDraw contains a GWorld - and
 its handles to associated PixMap and ColorTables - that describe an offscreen
 graphics port. By default the pixels are locked.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/ref_undocfuncs.htm#pgfId=17227">QuickTime::QTNewGWorld</a> </b><BR><BR>
<DT><B>Parameters:</B><DD><CODE>pixelFormat</CODE> - the format of the pixels.<DD><CODE>bounds</CODE> - the boundary rectangle and port rectangle for the offscreen
                   pixel map<DD><CODE>cTable</CODE> - a ColorTable<DD><CODE>aGDevice</CODE> - a GDevice that should only be supplied if you set the noNewDevice
 flag, otherwise it is just ignored and can be passed null.<DD><CODE>flags</CODE> - options available to your application. See GWorld flags above</DL>
</DD>
</DL>

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<A NAME="fromGraphicsExporter(quicktime.std.image.GraphicsExporter)"><!-- --></A><H3>
fromGraphicsExporter</H3>
<PRE>
public static <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A> <B>fromGraphicsExporter</B>(<A HREF="../../quicktime/std/image/GraphicsExporter.html">GraphicsExporter</A>&nbsp;ge)
                                       throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Call this method to obtain the QDGraphics of the object.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/refExporter.22.htm#20597">QuickTime::GraphicsExportGetInputGWorld</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ge</CODE> - the GraphicsExporter<DT><B>Returns:</B><DD>The current destination graphics port<DT><B>See Also: </B><DD><A HREF="../../quicktime/std/image/GraphicsExporter.html#getInputGWorld()"><CODE>GraphicsExporter.getInputGWorld()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getPort()"><!-- --></A><H3>
getPort</H3>
<PRE>
public static <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A> <B>getPort</B>()</PRE>
<DL>
<DD>Returns the current QDGraphics.
 <BR><BR><b>QuickTime::GetPort</b><BR><BR><DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a QDGraphics</DL>
</DD>
</DL>
<HR>

<A NAME="getPixelSize(int)"><!-- --></A><H3>
getPixelSize</H3>
<PRE>
public static int <B>getPixelSize</B>(int&nbsp;pixelFormat)
                        throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Returns the pixel size for a given pixel format.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/ref_undocfuncs.htm#pgfId=17217">QuickTime::QTGetPixelSize</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>pixel size</DL>
</DD>
</DL>
<HR>

<A NAME="fromGraphicsImporter(quicktime.std.image.GraphicsImporter)"><!-- --></A><H3>
fromGraphicsImporter</H3>
<PRE>
public static <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A> <B>fromGraphicsImporter</B>(<A HREF="../../quicktime/std/image/GraphicsImporter.html">GraphicsImporter</A>&nbsp;gi)
                                       throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Call this method to obtain the QDGraphics of the object.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/refImporter.20.htm#23794">QuickTime::GraphicsImportGetGWorld</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>gi</CODE> - the GraphicsImporter<DT><B>Returns:</B><DD>The current destination graphics port<DT><B>See Also: </B><DD><A HREF="../../quicktime/std/image/GraphicsImporter.html#getGWorld()"><CODE>GraphicsImporter.getGWorld()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="fromMovie(quicktime.std.movies.Movie)"><!-- --></A><H3>
fromMovie</H3>
<PRE>
public static <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A> <B>fromMovie</B>(<A HREF="../../quicktime/std/movies/Movie.html">Movie</A>&nbsp;m)
                            throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Your application can determine a movie's graphics world by calling the getGWorld method.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.32.htm#iqMovi614">QuickTime::GetMovieGWorld()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>m</CODE> - the Movie<DT><B>Returns:</B><DD>The current destination graphics port<DT><B>See Also: </B><DD><A HREF="../../quicktime/std/movies/Movie.html#getGWorld()"><CODE>Movie.getGWorld()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="fromPresentation(quicktime.streaming.Presentation, quicktime.streaming.Stream)"><!-- --></A><H3>
fromPresentation</H3>
<PRE>
public static <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A> <B>fromPresentation</B>(<A HREF="../../quicktime/streaming/Presentation.html">Presentation</A>&nbsp;p,
                                          <A HREF="../../quicktime/streaming/Stream.html">Stream</A>&nbsp;s)
                                   throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Your application can retrieve a Presentation's graphics world by calling the getGWorld method.
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>p</CODE> - the Presentation<DD><CODE>s</CODE> - Stream<DT><B>Returns:</B><DD>The current destination graphics port<DT><B>See Also: </B><DD><A HREF="../../quicktime/streaming/Presentation.html#getGWorld()"><CODE>Presentation.getGWorld()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="fromMovieController(quicktime.std.movies.MovieController)"><!-- --></A><H3>
fromMovieCon