2003-01-14 Michael Koch <konqueror@gmx.de>

* java/awt/Label.java
	(Label): Implements javax.accessibility.Accessible;
	* java/awt/List.java
	(List): Implements javax.accessibility.Accessible;
	* java/awt/ScrollPane.java
	(ScrollPane): Implements javax.accessibility.Accessible;
	* java/awt/Scrollbar.java
	(Scrollbar): Implements javax.accessibility.Accessible;
	* java/awt/TextComponent.java
	(setCaretPosition): Throw exception, documentation added.
	* java/awt/Toolkit.java:
	Added some newlines in method documentations.
	(createButton): Exception documentation added.
	(createTextField): Exception documentation added.
	(createLabel): Exception documentation added.
	(createList): Exception documentation added.
	(createCheckbox): Exception documentation added.
	(createScrollbar): Exception documentation added.
	(createScrollPane): Exception documentation added.
	(createTextArea): Exception documentation added.
	(createChoice): Exception documentation added.
	(createFrame): Exception documentation added.
	(createWindow): Exception documentation added.
	(createDialog): Exception documentation added.
	(createMenuBar): Exception documentation added.
	(createMenu): Exception documentation added.
	(createMenuItem): Exception documentation added.
	(createFileDialog): Exception documentation added.
	(createCheckboxMenuItem): Exception documentation added.
	(loadSystemColors): Exception documentation added.
	(setDynamicLayout): Exception documentation added.
	(isDynamicLayoutSet): Exception documentation added.
	(isDynamicLayoutActive): Exception documentation added.
	(getScreenSize): Exception documentation added.
	(getScreenResolution): Exception documentation added.
	(getScreenInsets): Exception documentation added.
	(getColorModel): Exception documentation added.
	(getSystemClipboard): Exception documentation added.
	(getSystemSelection): Exception documentation added.
	(getMenuShortcutKeyMask): Exception documentation added.
	(getSystemEventQueue): Exception documentation added.
	* java/awt/Window.java:
	Reindented some code.
	(Window): Centralized implementation, documentation added.
	(finalize): Documentation added.
	(hide): Fixed typo in comment.
	(getWindowListeners): Documentation added.
	* java/awt/color/ColorSpace.java
	(toRGB): Documentation added.
	* java/awt/color/ICC_ColorSpace.java
	(ICC_ColorSpace): Documentation added.
	(toRGB): Throw exception, documentation added.
	(fromRGB): Throw exception, documentation added.
	(toCIEXYZ): Documentation added.
	(fromCIEXYZ): Documentation added.
	(getMinValue): Documentation added.
	(getMaxValue): Documentation added.
	* java/awt/geom/Dimension2D.java
	(clone): Documentation added.
	* java/awt/geom/GeneralPath.java
	(clone): Documentation added.
	* java/awt/geom/Line2D.java
	(clone): Documentation added.
	* java/awt/geom/QuadCurve2D.java
	(clone): Documentation added.
	* java/awt/image/ColorModel.java
	(ColorModel): Throw exception, documentation added.
	* java/awt/image/ImageFilter.java
	(clone): Doesnt throw CloneNotSupportedException.

From-SVN: r61303

libjava/java/awt/image/ColorModel.java

@@ -120,10 +120,32 @@ public abstract class ColorModel implements Transparency
 	 Buffers.smallestAppropriateTransferType(bits * 4));
   }
 
+  /**
+   * Constructs a ColorModel that translates pixel values to
+   * color/alpha components.
+   *
+   * @exception IllegalArgumentException If the length of the bit array is less
+   * than the number of color or alpha components in this ColorModel, or if the
+   * transparency is not a valid value, or if the sum of the number of bits in
+   * bits is less than 1 or if any of the elements in bits is less than 0.
+   */
   protected ColorModel(int pixel_bits, int[] bits, ColorSpace cspace,
 		       boolean hasAlpha, boolean isAlphaPremultiplied,
 		       int transparency, int transferType)
   {
+    int bits_sum = 0;
+    for (int i = 0; i < bits.length; i++)
+      {
+        if (bits [i] < 0)
+          throw new IllegalArgumentException ();
+
+        bits_sum |= bits [i];
+      }
+    
+    if ((bits.length < cspace.numComponents)
+        || (bits_sum < 1))
+      throw new IllegalArgumentException ();
+
     this.pixel_bits = pixel_bits;
     this.bits = bits;
     this.cspace = cspace;

libjava/java/awt/image/ImageFilter.java

@@ -81,9 +81,18 @@ public class ImageFilter implements ImageConsumer, Cloneable
      *
      * @see java.lang.Object#clone ()
      */
-    public Object clone() throws CloneNotSupportedException
+    public Object clone()
     {
-	return (super.clone());
+      try
+        {
+          return super.clone();
+        }
+      catch (CloneNotSupportedException e)
+        {
+          // This should never happen as this class implements the
+          // Cloneable interface.
+          throw new InternalError ();
+        }
     }
 
     /**