diff options
Diffstat (limited to 'libjava/java/awt/image')
| -rw-r--r-- | libjava/java/awt/image/BufferedImage.java | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/libjava/java/awt/image/BufferedImage.java b/libjava/java/awt/image/BufferedImage.java index bf6c45cab99..5d72288f589 100644 --- a/libjava/java/awt/image/BufferedImage.java +++ b/libjava/java/awt/image/BufferedImage.java @@ -53,8 +53,8 @@ import gnu.java.awt.ComponentDataBlitOp; * * @author Rolf W. Rasmussen <rolfwr@ii.uib.no> */ -public class BufferedImage extends java.awt.Image - //implements java.awt.image.WritableRenderedImage +public class BufferedImage extends Image + implements WritableRenderedImage { public static final int TYPE_CUSTOM = 0, TYPE_INT_RGB = 1, @@ -88,6 +88,8 @@ public class BufferedImage extends java.awt.Image 0x03e0, 0x001f, DataBuffer.TYPE_USHORT}; + + Vector observers; public BufferedImage(int w, int h, int type) { @@ -569,4 +571,33 @@ public class BufferedImage extends java.awt.Image // FIXME: implement: return super.toString(); } + + /** + * Adds a tile observer. If the observer is already present, it receives + * multiple notifications. + * + * @param to The TileObserver to add. + */ + public void addTileObserver (TileObserver to) + { + if (observers == null) + observers = new Vector (); + + observers.add (to); + } + + /** + * Removes a tile observer. If the observer was not registered, + * nothing happens. If the observer was registered for multiple + * notifications, it is now registered for one fewer notification. + * + * @param to The TileObserver to remove. + */ + public void removeTileObserver (TileObserver to) + { + if (observers == null) + return; + + observers.remove (to); + } } |
