IntegerGraphicsState.java (getClip): Clone clip before returning, handle null clip.

2006-02-23  Scott Gilbertson  <scottg@mantatest.com>

	* gnu/awt/j2d/IntegerGraphicsState.java (getClip): Clone clip
	before returning, handle null clip.
	(getClipBounds): Handle null clip.
	* gnu/awt/j2d/Graphics2DImpl.java (clipRect): Handle null clip.
	* gnu/awt/xlib/XCanvasPeer.java (): 
	(getLocationOnScreen): Implement.
	* classpath/gnu/java/awt/peer/GLightweightPeer.java
	(repaint): Merged with Classpath.
	* classpath/java/awt/Graphics.java (hitClip): Merged with
	Classpath.

From-SVN: r111395

libjava/gnu/awt/j2d/Graphics2DImpl.java

@@ -175,6 +175,12 @@ public class Graphics2DImpl extends Graphics2D implements Cloneable
   public void clipRect(int x, int y, int width, int height)
   {
     Shape clip = state.getClip();
+    if (clip == null)
+    {
+      clip = new Rectangle (x,y,width,height);
+      setClip (clip);
+      return;
+    }
     if (clip instanceof Rectangle)
       {
 	Rectangle clipRect = (Rectangle) clip;

libjava/gnu/awt/j2d/IntegerGraphicsState.java

@@ -132,9 +132,11 @@ public class IntegerGraphicsState extends AbstractGraphicsState
 
   public Shape getClip()
   {
+    if (clip == null)
+      return null;
     if (clip instanceof Rectangle)
       {
-	Rectangle clipRect = (Rectangle) clip;
+	Rectangle clipRect = (Rectangle) ((Rectangle) clip).clone();
 	clipRect.x -= tx;
 	clipRect.y -= ty;
 	return clipRect;
@@ -149,6 +151,8 @@ public class IntegerGraphicsState extends AbstractGraphicsState
 
   public Rectangle getClipBounds()
   {
+    if (clip == null)
+      return null;
     Rectangle clipRect = clip.getBounds();
     
     clipRect.x -= tx;

libjava/gnu/awt/xlib/XCanvasPeer.java

@@ -247,10 +247,12 @@ public class XCanvasPeer implements CanvasPeer
     gfx2d.setColor(component.getBackground());
     return gfx2d;
   }
-    
+
+  private Rectangle locationBounds;
   public Point getLocationOnScreen()
   {
-    throw new UnsupportedOperationException("FIXME, not implemented");
+    locationBounds = window.getBounds (locationBounds);
+    return new Point (locationBounds.x,locationBounds.y);
   }
 
   public Dimension getMinimumSize ()