repaintmanager.html

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<A NAME="RepaintManager()"><!-- --></A><H3>
RepaintManager</H3>
<PRE>
public <B>RepaintManager</B>()</PRE>
<DL>
<DD>Create a new RepaintManager instance. You rarely call this constructor.
 directly. To get the default RepaintManager, use 
 RepaintManager.currentManager(JComponent) (normally "this").</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="currentManager(java.awt.Component)"><!-- --></A><H3>
currentManager</H3>
<PRE>
public static <A HREF="../../javax/swing/RepaintManager.html">RepaintManager</A> <B>currentManager</B>(<A HREF="../../java/awt/Component.html">Component</A>&nbsp;c)</PRE>
<DL>
<DD>Return the RepaintManager for the calling thread given a Component.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - a Component -- unused in the default implementation, but could
          be used by an overridden version to return a different RepaintManager
          depending on the Component<DT><B>Returns:</B><DD>the RepaintManager object</DL>
</DD>
</DL>
<HR>

<A NAME="currentManager(javax.swing.JComponent)"><!-- --></A><H3>
currentManager</H3>
<PRE>
public static <A HREF="../../javax/swing/RepaintManager.html">RepaintManager</A> <B>currentManager</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;c)</PRE>
<DL>
<DD>Return the RepaintManager for the calling thread given a JComponent.
 <p>
 Note: This method exists for backward binary compatibility with earlier
 versions of the Swing library. It simply returns the result returned by
 <A HREF="../../javax/swing/RepaintManager.html#currentManager(java.awt.Component)"><CODE>currentManager(Component)</CODE></A>.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - a JComponent -- unused<DT><B>Returns:</B><DD>the RepaintManager object</DL>
</DD>
</DL>
<HR>

<A NAME="setCurrentManager(javax.swing.RepaintManager)"><!-- --></A><H3>
setCurrentManager</H3>
<PRE>
public static void <B>setCurrentManager</B>(<A HREF="../../javax/swing/RepaintManager.html">RepaintManager</A>&nbsp;aRepaintManager)</PRE>
<DL>
<DD>Set the RepaintManager that should be used for the calling 
 thread. <b>aRepaintManager</b> will become the current RepaintManager
 for the calling thread's thread group.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>aRepaintManager</CODE> - the RepaintManager object to use</DL>
</DD>
</DL>
<HR>

<A NAME="addInvalidComponent(javax.swing.JComponent)"><!-- --></A><H3>
addInvalidComponent</H3>
<PRE>
public void <B>addInvalidComponent</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;invalidComponent)</PRE>
<DL>
<DD>Mark the component as in need of layout and queue a runnable
 for the event dispatching thread that will validate the components
 first isValidateRoot() ancestor.<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../javax/swing/JComponent.html#isValidateRoot()"><CODE>JComponent.isValidateRoot()</CODE></A>, 
<A HREF="../../javax/swing/RepaintManager.html#removeInvalidComponent(javax.swing.JComponent)"><CODE>removeInvalidComponent(javax.swing.JComponent)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="removeInvalidComponent(javax.swing.JComponent)"><!-- --></A><H3>
removeInvalidComponent</H3>
<PRE>
public void <B>removeInvalidComponent</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;component)</PRE>
<DL>
<DD>Remove a component from the list of invalid components.<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../javax/swing/RepaintManager.html#addInvalidComponent(javax.swing.JComponent)"><CODE>addInvalidComponent(javax.swing.JComponent)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="addDirtyRegion(javax.swing.JComponent, int, int, int, int)"><!-- --></A><H3>
addDirtyRegion</H3>
<PRE>
public void <B>addDirtyRegion</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;c,
                           int&nbsp;x,
                           int&nbsp;y,
                           int&nbsp;w,
                           int&nbsp;h)</PRE>
<DL>
<DD>Add a component in the list of components that should be refreshed.
 If <i>c</i> already has a dirty region, the rectangle <i>(x,y,w,h)</i> 
 will be unioned with the region that should be redrawn.<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../javax/swing/JComponent.html#repaint(long, int, int, int, int)"><CODE>JComponent.repaint(long, int, int, int, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getDirtyRegion(javax.swing.JComponent)"><!-- --></A><H3>
getDirtyRegion</H3>
<PRE>
public <A HREF="../../java/awt/Rectangle.html">Rectangle</A> <B>getDirtyRegion</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;aComponent)</PRE>
<DL>
<DD>Return the current dirty region for a component.
  Return an empty rectangle if the component is not
  dirty.</DL>
<HR>

<A NAME="markCompletelyDirty(javax.swing.JComponent)"><!-- --></A><H3>
markCompletelyDirty</H3>
<PRE>
public void <B>markCompletelyDirty</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;aComponent)</PRE>
<DL>
<DD>Mark a component completely dirty. <b>aComponent</b> will be
 completely painted during the next paintDirtyRegions() call.</DL>
<HR>

<A NAME="markCompletelyClean(javax.swing.JComponent)"><!-- --></A><H3>
markCompletelyClean</H3>
<PRE>
public void <B>markCompletelyClean</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;aComponent)</PRE>
<DL>
<DD>Mark a component completely clean. <b>aComponent</b> will not
 get painted during the next paintDirtyRegions() call.</DL>
<HR>

<A NAME="isCompletelyDirty(javax.swing.JComponent)"><!-- --></A><H3>
isCompletelyDirty</H3>
<PRE>
public boolean <B>isCompletelyDirty</B>(<A HREF="../../javax/swing/JComponent.html">JComponent</A>&nbsp;aComponent)</PRE>
<DL>
<DD>Convenience method that returns true if <b>aComponent</b> will be completely
 painted during the next paintDirtyRegions(). If computing dirty regions is
 expensive for your component, use this method and avoid computing dirty region
 if it return true.</DL>
<HR>

<A NAME="validateInvalidComponents()"><!-- --></A><H3>
validateInvalidComponents</H3>
<PRE>
public void <B>validateInvalidComponents</B>()</PRE>
<DL>
<DD>Validate all of the components that have been marked invalid.<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../javax/swing/RepaintManager.html#addInvalidComponent(javax.swing.JComponent)"><CODE>addInvalidComponent(javax.swing.JComponent)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="paintDirtyRegions()"><!-- --></A><H3>
paintDirtyRegions</H3>
<PRE>
public void <B>paintDirtyRegions</B>()</PRE>
<DL>
<DD>Paint all of the components that have been marked dirty.<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../javax/swing/RepaintManager.html#addDirtyRegion(javax.swing.JComponent, int, int, int, int)"><CODE>addDirtyRegion(javax.swing.JComponent, int, int, int, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Returns a string that displays and identifies this
 object's properties.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../java/lang/Object.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a String representation of this object</DL>
</DD>
</DL>
<HR>

<A NAME="getOffscreenBuffer(java.awt.Component, int, int)"><!-- --></A><H3>
getOffscreenBuffer</H3>
<PRE>
public <A HREF="../../java/awt/Image.html">Image</A> <B>getOffscreenBuffer</B>(<A HREF="../../java/awt/Component.html">Component</A>&nbsp;c,
                                int&nbsp;proposedWidth,
                                int&nbsp;proposedHeight)</PRE>
<DL>
<DD>Return the offscreen buffer that should be used as a double buffer with the component <code>c</code>
 By default there is a double buffer per RepaintManager.
 The buffer might be smaller than <code>(proposedWidth,proposedHeight)</code>
 This happens when the maximum double buffer size as been set for the receiving
 repaint manager.</DL>
<HR>

<A NAME="setDoubleBufferMaximumSize(java.awt.Dimension)"><!-- --></A><H3>
setDoubleBufferMaximumSize</H3>
<PRE>
public void <B>setDoubleBufferMaximumSize</B>(<A HREF="../../java/awt/Dimension.html">Dimension</A>&nbsp;d)</PRE>
<DL>
<DD>Set the maximum double buffer size.</DL>
<HR>

<A NAME="getDoubleBufferMaximumSize()"><!-- --></A><H3>
getDoubleBufferMaximumSize</H3>
<PRE>
public <A HREF="../../java/awt/Dimension.html">Dimension</A> <B>getDoubleBufferMaximumSize</B>()</PRE>
<DL>
<DD>Returns the maximum double buffer size.<DD><DL>
<DT><B>Returns:</B><DD>a Dimension object representing the maximum size</DL>
</DD>
</DL>
<HR>

<A NAME="setDoubleBufferingEnabled(boolean)"><!-- --></A><H3>
setDoubleBufferingEnabled</H3>
<PRE>
public void <B>setDoubleBufferingEnabled</B>(boolean&nbsp;aFlag)</PRE>
<DL>
<DD>Enables or disables double buffering.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>aFlag</CODE> - true to activate double buffering</DL>
</DD>
</DL>
<HR>

<A NAME="isDoubleBufferingEnabled()"><!-- --></A><H3>
isDoubleBufferingEnabled</H3>
<PRE>
public boolean <B>isDoubleBufferingEnabled</B>()</PRE>
<DL>
<DD>Returns true if this object is double buffered.<DD><DL>
<DT><B>Returns:</B><DD>true if this object is double buffered</DL>
</DD>
</DL>
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