gdevice.html

这个是java的quicktime for java 的详细使用文档

<PRE>
public static <A HREF="../../quicktime/qd/GDevice.html">GDevice</A> <B>fromSequenceGrabber</B>(<A HREF="../../quicktime/std/sg/SequenceGrabber.html">SequenceGrabber</A>&nbsp;sg)
                                   throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Returns the current device of the sequence grabber.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QTC/imSeqGrabComp.b.htm#imSeqG211">QuickTime::SGGetGWorld</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sg</CODE> - the SequenceGrabber object<DT><B>Returns:</B><DD>The current device of the sequence grabber.<DT><B>See Also: </B><DD><A HREF="../../quicktime/std/sg/SequenceGrabber.html#getGWorldDevice()"><CODE>SequenceGrabber.getGWorldDevice()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="get()"><!-- --></A><H3>
get</H3>
<PRE>
public static <A HREF="../../quicktime/qd/GDevice.html">GDevice</A> <B>get</B>()</PRE>
<DL>
<DD>Returns the current graphic device. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.c.htm#pgfId=433">QuickDraw::GetGDevice</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a graphics device</DL>
</DD>
</DL>
<HR>

<A NAME="getList()"><!-- --></A><H3>
getList</H3>
<PRE>
public static <A HREF="../../quicktime/qd/GDevice.html">GDevice</A> <B>getList</B>()</PRE>
<DL>
<DD>Returns the first graphic device in the device list. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.c.htm#pgfId=449">QuickDraw::GetDeviceList</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a graphics device</DL>
</DD>
</DL>
<HR>

<A NAME="getMain()"><!-- --></A><H3>
getMain</H3>
<PRE>
public static <A HREF="../../quicktime/qd/GDevice.html">GDevice</A> <B>getMain</B>()</PRE>
<DL>
<DD>Returns the graphic device for the main screen.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.c.htm#pgfId=460">QuickDraw::GetMainDevice</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a graphics device</DL>
</DD>
</DL>
<HR>

<A NAME="getMax(quicktime.qd.QDRect)"><!-- --></A><H3>
getMax</H3>
<PRE>
public static <A HREF="../../quicktime/qd/GDevice.html">GDevice</A> <B>getMax</B>(<A HREF="../../quicktime/qd/QDRect.html">QDRect</A>&nbsp;globalRect)</PRE>
<DL>
<DD>Returns the graphic device with the greatest pixel depth. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.c.htm#pgfId=511">QuickDraw::GetMaxDevice</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>globalRect</CODE> - a rectangle in global coordinates that 
		intersects the devices you are searching<DT><B>Returns:</B><DD>a graphics device</DL>
</DD>
</DL>
<HR>

<A NAME="init(int, int)"><!-- --></A><H3>
init</H3>
<PRE>
public void <B>init</B>(int&nbsp;qdRefNum,
                 int&nbsp;mode)</PRE>
<DL>
<DD>Initialises the instance of the Graphics Device. If the device has a driver
 then the attributes will be set by this call, if not the attributes should be
 set with setAttributes as this call will do nothing. <B>You should never need to 
 call this method directly.</b>
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.b.htm#pgfId=575">QuickDraw::InitGDevice</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>the</CODE> - reference number of this GDevice<DD><CODE>mode</CODE> - the device configuration mode</DL>
</DD>
</DL>
<HR>

<A NAME="setAttribute(int, boolean)"><!-- --></A><H3>
setAttribute</H3>
<PRE>
public void <B>setAttribute</B>(int&nbsp;attribute,
                         boolean&nbsp;value)</PRE>
<DL>
<DD>Set the attributes of a graphics device.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.b.htm#pgfId=596">QuickDraw::SetDeviceAttribute</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attribute</CODE> - use the constants<DD><CODE>value</CODE> - if true attribute is turned on</DL>
</DD>
</DL>
<HR>

<A NAME="set()"><!-- --></A><H3>
set</H3>
<PRE>
public void <B>set</B>()</PRE>
<DL>
<DD>Sets this GDevice as the current device.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.b.htm#pgfId=587">QuickDraw::SetGDevice</a> </b><BR><BR>
</DL>
</DD>
</DL>
<HR>

<A NAME="getNext()"><!-- --></A><H3>
getNext</H3>
<PRE>
public <A HREF="../../quicktime/qd/GDevice.html">GDevice</A> <B>getNext</B>()</PRE>
<DL>
<DD>Returns the graphic device that is the next device from this in the device list. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.c.htm#pgfId=447">QuickDraw::GetNextDevice</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a graphics device</DL>
</DD>
</DL>
<HR>

<A NAME="testAttribute(int)"><!-- --></A><H3>
testAttribute</H3>
<PRE>
public boolean <B>testAttribute</B>(int&nbsp;attribute)</PRE>
<DL>
<DD>Determines whether the flag bit for an attribute has been set in the flags field
 of the device.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/MACWIN/imGraphDevices.d.htm#pgfId=605">QuickDraw::TestDeviceAttribute</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attribute</CODE> - the attribute to test for<DT><B>Returns:</B><DD>true if the attribute is set otherwise false.</DL>
</DD>
</DL>
<HR>

<A NAME="getPixMap()"><!-- --></A><H3>
getPixMap</H3>
<PRE>
public <A HREF="../../quicktime/qd/PixMap.html">PixMap</A> <B>getPixMap</B>()</PRE>
<DL>
<DD>Returns the PixMap associated with this gDevice<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a PixMap for the GDevice</DL>
</DD>
</DL>
<HR>

<A NAME="getBounds()"><!-- --></A><H3>
getBounds</H3>
<PRE>
public <A HREF="../../quicktime/qd/QDRect.html">QDRect</A> <B>getBounds</B>()</PRE>
<DL>
<DD>Returns the global Bounds associated with this gDevice<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a QDRect</DL>
</DD>
</DL>
<HR>

<A NAME="hasScale(int, float)"><!-- --></A><H3>
hasScale</H3>
<PRE>
public float <B>hasScale</B>(int&nbsp;depth,
                      float&nbsp;scale)
               throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Returns the closest possible scaling that a particular screen 
 device can be set to in a given pixel depth
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>depth</CODE> - specifies the pixel depth of the screen device<DD><CODE>scale</CODE> - the desired scale value<DT><B>Returns:</B><DD>the closest scale available for the given depth</DL>
</DD>
</DL>
<HR>

<A NAME="getScale()"><!-- --></A><H3>
getScale</H3>
<PRE>
public float <B>getScale</B>()
               throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Returns the current scale of the screen graphics device
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the scale of the current device</DL>
</DD>
</DL>
<HR>

<A NAME="getFlags()"><!-- --></A><H3>
getFlags</H3>
<PRE>
public int <B>getFlags</B>()
             throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Returns the current scale of the screen graphics device
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the flags of the current device</DL>
</DD>
</DL>
<HR>

<A NAME="setScale(int, int)"><!-- --></A><H3>
setScale</H3>
<PRE>
public void <B>setScale</B>(int&nbsp;scale,
                     int&nbsp;flags)
              throws <A HREF="../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>Sets the current scale of the screen graphics device
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scale</CODE> - the desired scale value<DD><CODE>the</CODE> - flags to be used</DL>
</DD>
</DL>
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