Converting Binary files to ASCII

2 files changed, 353 insertions, 353 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/gtk/org/eclipse/swt/dnd/TreeDragUnderEffect.java b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/gtk/org/eclipse/swt/dnd/TreeDragUnderEffect.java
index c4fd236893..3b7da8dffd 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/gtk/org/eclipse/swt/dnd/TreeDragUnderEffect.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/gtk/org/eclipse/swt/dnd/TreeDragUnderEffect.java
@@ -1,216 +1,216 @@
-package org.eclipse.swt.dnd;

-

-/*

+package org.eclipse.swt.dnd;
+
+/*
  * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
  * This file is made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html

- */

-import org.eclipse.swt.graphics.*;

-import org.eclipse.swt.widgets.*;

-import org.eclipse.swt.SWT;

-

-class TreeDragUnderEffect extends DragUnderEffect {

-

-	private Tree tree;

-	private int currentEffect = DND.FEEDBACK_NONE;

-	private TreeItem[] selection = new TreeItem[0];

-	private TreeItem dropSelection = null;

-	private TreeItem insertMark = null;

-	private boolean insertBefore = false;

-	

-	private TreeItem scrollItem;

-	private long scrollBeginTime;

-	private static final int SCROLL_HYSTERESIS = 400; // milli seconds

-	private static final int SCROLL_WIDTH = 100; // pixels

-	

-	private TreeItem expandItem;

-	private long expandBeginTime;

-	private static final int EXPAND_HYSTERESIS = 1000; // milli seconds

-

-TreeDragUnderEffect(Tree tree) {

-	this.tree = tree;

-}

-void show(int effect, int x, int y) {

-	effect = checkEffect(effect);

-	TreeItem item = findItem(x, y);

-	if (item == null) effect = DND.FEEDBACK_NONE;

-	if (currentEffect == DND.FEEDBACK_NONE && effect != DND.FEEDBACK_NONE) {

-		selection = tree.getSelection();

-		tree.deselectAll();

-	}

-	scrollHover(effect, item, x, y);

-	expandHover(effect, item, x, y);

-	setDragUnderEffect(effect, item);

-	if (currentEffect != DND.FEEDBACK_NONE && effect == DND.FEEDBACK_NONE) {

-		tree.setSelection(selection);

-		selection = new TreeItem[0];

-	}

-	currentEffect = effect;

-}

-private int checkEffect(int effect) {

-	// Some effects are mutually exclusive.  Make sure that only one of the mutually exclusive effects has been specified.

-	int mask = DND.FEEDBACK_INSERT_AFTER | DND.FEEDBACK_INSERT_BEFORE | DND.FEEDBACK_SELECT;

-	int bits = effect & mask;

-	if (bits == DND.FEEDBACK_INSERT_AFTER || bits == DND.FEEDBACK_INSERT_BEFORE || bits == DND.FEEDBACK_SELECT) return effect;

-	return (effect & ~mask);

-}

-private TreeItem findItem(int x , int y){

-	Point coordinates = new Point(x, y);

-	coordinates = tree.toControl(coordinates);

-	Rectangle area = tree.getClientArea();

-	if (!area.contains(coordinates)) return null;

-	

-	TreeItem item = tree.getItem(coordinates);

-	if (item != null) return item;

-

-	// Scan across the width of the tree.

-	for (int x1 = area.x; x1 < area.x + area.width; x1++) {

-		coordinates = new Point(x1, coordinates.y);

-		item = tree.getItem(coordinates);

-		if (item != null) return item;

-	}

-	// Check if we are just below the last item of the tree

-	coordinates = new Point(x, y);

-	coordinates = tree.toControl(coordinates);

-	if (coordinates.y > area.y + area.height - tree.getItemHeight()) {;

-		int y1 = area.y + area.height - tree.getItemHeight();

-		coordinates = new Point(coordinates.x, y1);

-		

-		item = tree.getItem(coordinates);	

-		if (item != null) return item;

-		

-		// Scan across the width of the tree just above the bottom..

-		for (int x1 = area.x; x1 < area.x + area.width; x1++) {

-			coordinates = new Point(x1, y1);

-			item = tree.getItem(coordinates);

-			if (item != null) return item;

-		}

-	}

-	return null;

-}

-private void setDragUnderEffect(int effect, TreeItem item) {

-	if ((effect & DND.FEEDBACK_SELECT) != 0) {

-		if ((currentEffect & DND.FEEDBACK_INSERT_AFTER) != 0 ||

-		    (currentEffect & DND.FEEDBACK_INSERT_BEFORE) != 0) {

-			tree.setInsertMark(null, false);

-		}

-		setDropSelection(item); 

-		return;

-	}

-	if ((effect & DND.FEEDBACK_INSERT_AFTER) != 0 ||

-		(effect & DND.FEEDBACK_INSERT_BEFORE) != 0) {

-		if ((currentEffect & DND.FEEDBACK_SELECT) != 0) {

-			setDropSelection(null);

-		}

-		setInsertMark(item, (effect & DND.FEEDBACK_INSERT_BEFORE) != 0);

-		return;

-	}

-	

-	setInsertMark(null, false);

-	setDropSelection(null);

-}

-private void setDropSelection (TreeItem item) {	

-	if (item == dropSelection) return;

-	if (dropSelection != null) tree.deselectAll();

-	dropSelection = item;

-	if (dropSelection != null) tree.setSelection(new TreeItem[]{dropSelection});

-}

-private void setInsertMark(TreeItem item, boolean before) {

-	if (item == insertMark && before == insertBefore) return;

-	insertMark = item;

-	insertBefore = before;

-	tree.setInsertMark(item, before);

-}

-private void scrollHover (int effect, TreeItem item, int x, int y) {

-	if ((effect & DND.FEEDBACK_SCROLL) == 0) {

-		scrollBeginTime = 0;

-		scrollItem = null;

-		return;

-	}

-	if (scrollItem == item && scrollBeginTime != 0) {

-		if (System.currentTimeMillis() >= scrollBeginTime) {

-			scroll(item, x, y);

-			scrollBeginTime = 0;

-			scrollItem = null;

-		}

-		return;

-	}

-	scrollBeginTime = System.currentTimeMillis() + SCROLL_HYSTERESIS;

-	scrollItem = item;

-}

-private void scroll(TreeItem item, int x, int y) {

-	if (item == null) return;

-	Point coordinates = new Point(x, y);

-	coordinates = tree.toControl(coordinates);

-	Rectangle area = tree.getClientArea();

-	TreeItem showItem = null;

-	if (coordinates.y - area.y < SCROLL_WIDTH) {

-		showItem = getPreviousVisibleItem(item);

-	} else if ((area.y + area.height - coordinates.y) < SCROLL_WIDTH) {

-		showItem = getNextVisibleItem(item, true);

-	}

-	if (showItem != null) {

-		tree.showItem(showItem);

-	}		

-}

-private void expandHover (int effect, TreeItem item, int x, int y) {

-	if ((effect & DND.FEEDBACK_EXPAND) == 0) {

-		expandBeginTime = 0;

-		expandItem = null;

-		return;

-	}

-	if (expandItem == item && expandBeginTime != 0) {

-		if (System.currentTimeMillis() >= expandBeginTime) {

-			expand(item, x, y);

-			expandBeginTime = 0;

-			expandItem = null;

-		}

-		return;

-	}

-	expandBeginTime = System.currentTimeMillis() + EXPAND_HYSTERESIS;

-	expandItem = item;

-}

-private void expand(TreeItem item, int x, int y) {

-	if (item == null || item.getExpanded()) return;

-	Event event = new Event();

-	event.x = x;

-	event.y = y;

-	event.item = item;

-	event.time = (int) System.currentTimeMillis();

-	tree.notifyListeners(SWT.Expand, event);

-	if (item.isDisposed()) return;

-	item.setExpanded(true);

-}

-private TreeItem getNextVisibleItem(TreeItem item, boolean includeChildren) {

-	// look down

-	// neccesary on the first pass only

-	if (includeChildren && item.getItemCount() > 0 && item.getExpanded()) {

-		return item.getItems()[0];

-	}

-	// look sideways

-	TreeItem parent = item.getParentItem();

-	TreeItem[] peers = (parent != null) ? parent.getItems() : tree.getItems();

-	for (int i = 0; i < peers.length - 1; i++) {

-		if (peers[i] == item) return peers[i + 1];

-	}

-	// look up

-	if (parent != null) return getNextVisibleItem(parent, false);

-	return null;

-}

-private TreeItem getPreviousVisibleItem(TreeItem item) {

-	// look sideways

-	TreeItem parent = item.getParentItem();

-	TreeItem[] peers = (parent != null) ? parent.getItems() : tree.getItems();

-	for (int i = peers.length - 1; i > 0; i--) {

-		if (peers[i] == item) {

-			TreeItem peer = peers[i-1];

-			if (!peer.getExpanded() || peer.getItemCount() == 0) return peer;

-			TreeItem[] peerItems = peer.getItems();

-			return peerItems[peerItems.length - 1];

-		}

-	}

-	// look up

-	return parent;

-}

-}

+ * http://www.eclipse.org/legal/cpl-v10.html
+ */
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.widgets.*;
+import org.eclipse.swt.SWT;
+
+class TreeDragUnderEffect extends DragUnderEffect {
+
+	private Tree tree;
+	private int currentEffect = DND.FEEDBACK_NONE;
+	private TreeItem[] selection = new TreeItem[0];
+	private TreeItem dropSelection = null;
+	private TreeItem insertMark = null;
+	private boolean insertBefore = false;
+	
+	private TreeItem scrollItem;
+	private long scrollBeginTime;
+	private static final int SCROLL_HYSTERESIS = 400; // milli seconds
+	private static final int SCROLL_WIDTH = 100; // pixels
+	
+	private TreeItem expandItem;
+	private long expandBeginTime;
+	private static final int EXPAND_HYSTERESIS = 1000; // milli seconds
+
+TreeDragUnderEffect(Tree tree) {
+	this.tree = tree;
+}
+void show(int effect, int x, int y) {
+	effect = checkEffect(effect);
+	TreeItem item = findItem(x, y);
+	if (item == null) effect = DND.FEEDBACK_NONE;
+	if (currentEffect == DND.FEEDBACK_NONE && effect != DND.FEEDBACK_NONE) {
+		selection = tree.getSelection();
+		tree.deselectAll();
+	}
+	scrollHover(effect, item, x, y);
+	expandHover(effect, item, x, y);
+	setDragUnderEffect(effect, item);
+	if (currentEffect != DND.FEEDBACK_NONE && effect == DND.FEEDBACK_NONE) {
+		tree.setSelection(selection);
+		selection = new TreeItem[0];
+	}
+	currentEffect = effect;
+}
+private int checkEffect(int effect) {
+	// Some effects are mutually exclusive.  Make sure that only one of the mutually exclusive effects has been specified.
+	int mask = DND.FEEDBACK_INSERT_AFTER | DND.FEEDBACK_INSERT_BEFORE | DND.FEEDBACK_SELECT;
+	int bits = effect & mask;
+	if (bits == DND.FEEDBACK_INSERT_AFTER || bits == DND.FEEDBACK_INSERT_BEFORE || bits == DND.FEEDBACK_SELECT) return effect;
+	return (effect & ~mask);
+}
+private TreeItem findItem(int x , int y){
+	Point coordinates = new Point(x, y);
+	coordinates = tree.toControl(coordinates);
+	Rectangle area = tree.getClientArea();
+	if (!area.contains(coordinates)) return null;
+	
+	TreeItem item = tree.getItem(coordinates);
+	if (item != null) return item;
+
+	// Scan across the width of the tree.
+	for (int x1 = area.x; x1 < area.x + area.width; x1++) {
+		coordinates = new Point(x1, coordinates.y);
+		item = tree.getItem(coordinates);
+		if (item != null) return item;
+	}
+	// Check if we are just below the last item of the tree
+	coordinates = new Point(x, y);
+	coordinates = tree.toControl(coordinates);
+	if (coordinates.y > area.y + area.height - tree.getItemHeight()) {;
+		int y1 = area.y + area.height - tree.getItemHeight();
+		coordinates = new Point(coordinates.x, y1);
+		
+		item = tree.getItem(coordinates);	
+		if (item != null) return item;
+		
+		// Scan across the width of the tree just above the bottom..
+		for (int x1 = area.x; x1 < area.x + area.width; x1++) {
+			coordinates = new Point(x1, y1);
+			item = tree.getItem(coordinates);
+			if (item != null) return item;
+		}
+	}
+	return null;
+}
+private void setDragUnderEffect(int effect, TreeItem item) {
+	if ((effect & DND.FEEDBACK_SELECT) != 0) {
+		if ((currentEffect & DND.FEEDBACK_INSERT_AFTER) != 0 ||
+		    (currentEffect & DND.FEEDBACK_INSERT_BEFORE) != 0) {
+			tree.setInsertMark(null, false);
+		}
+		setDropSelection(item); 
+		return;
+	}
+	if ((effect & DND.FEEDBACK_INSERT_AFTER) != 0 ||
+		(effect & DND.FEEDBACK_INSERT_BEFORE) != 0) {
+		if ((currentEffect & DND.FEEDBACK_SELECT) != 0) {
+			setDropSelection(null);
+		}
+		setInsertMark(item, (effect & DND.FEEDBACK_INSERT_BEFORE) != 0);
+		return;
+	}
+	
+	setInsertMark(null, false);
+	setDropSelection(null);
+}
+private void setDropSelection (TreeItem item) {	
+	if (item == dropSelection) return;
+	if (dropSelection != null) tree.deselectAll();
+	dropSelection = item;
+	if (dropSelection != null) tree.setSelection(new TreeItem[]{dropSelection});
+}
+private void setInsertMark(TreeItem item, boolean before) {
+	if (item == insertMark && before == insertBefore) return;
+	insertMark = item;
+	insertBefore = before;
+	tree.setInsertMark(item, before);
+}
+private void scrollHover (int effect, TreeItem item, int x, int y) {
+	if ((effect & DND.FEEDBACK_SCROLL) == 0) {
+		scrollBeginTime = 0;
+		scrollItem = null;
+		return;
+	}
+	if (scrollItem == item && scrollBeginTime != 0) {
+		if (System.currentTimeMillis() >= scrollBeginTime) {
+			scroll(item, x, y);
+			scrollBeginTime = 0;
+			scrollItem = null;
+		}
+		return;
+	}
+	scrollBeginTime = System.currentTimeMillis() + SCROLL_HYSTERESIS;
+	scrollItem = item;
+}
+private void scroll(TreeItem item, int x, int y) {
+	if (item == null) return;
+	Point coordinates = new Point(x, y);
+	coordinates = tree.toControl(coordinates);
+	Rectangle area = tree.getClientArea();
+	TreeItem showItem = null;
+	if (coordinates.y - area.y < SCROLL_WIDTH) {
+		showItem = getPreviousVisibleItem(item);
+	} else if ((area.y + area.height - coordinates.y) < SCROLL_WIDTH) {
+		showItem = getNextVisibleItem(item, true);
+	}
+	if (showItem != null) {
+		tree.showItem(showItem);
+	}		
+}
+private void expandHover (int effect, TreeItem item, int x, int y) {
+	if ((effect & DND.FEEDBACK_EXPAND) == 0) {
+		expandBeginTime = 0;
+		expandItem = null;
+		return;
+	}
+	if (expandItem == item && expandBeginTime != 0) {
+		if (System.currentTimeMillis() >= expandBeginTime) {
+			expand(item, x, y);
+			expandBeginTime = 0;
+			expandItem = null;
+		}
+		return;
+	}
+	expandBeginTime = System.currentTimeMillis() + EXPAND_HYSTERESIS;
+	expandItem = item;
+}
+private void expand(TreeItem item, int x, int y) {
+	if (item == null || item.getExpanded()) return;
+	Event event = new Event();
+	event.x = x;
+	event.y = y;
+	event.item = item;
+	event.time = (int) System.currentTimeMillis();
+	tree.notifyListeners(SWT.Expand, event);
+	if (item.isDisposed()) return;
+	item.setExpanded(true);
+}
+private TreeItem getNextVisibleItem(TreeItem item, boolean includeChildren) {
+	// look down
+	// neccesary on the first pass only
+	if (includeChildren && item.getItemCount() > 0 && item.getExpanded()) {
+		return item.getItems()[0];
+	}
+	// look sideways
+	TreeItem parent = item.getParentItem();
+	TreeItem[] peers = (parent != null) ? parent.getItems() : tree.getItems();
+	for (int i = 0; i < peers.length - 1; i++) {
+		if (peers[i] == item) return peers[i + 1];
+	}
+	// look up
+	if (parent != null) return getNextVisibleItem(parent, false);
+	return null;
+}
+private TreeItem getPreviousVisibleItem(TreeItem item) {
+	// look sideways
+	TreeItem parent = item.getParentItem();
+	TreeItem[] peers = (parent != null) ? parent.getItems() : tree.getItems();
+	for (int i = peers.length - 1; i > 0; i--) {
+		if (peers[i] == item) {
+			TreeItem peer = peers[i-1];
+			if (!peer.getExpanded() || peer.getItemCount() == 0) return peer;
+			TreeItem[] peerItems = peer.getItems();
+			return peerItems[peerItems.length - 1];
+		}
+	}
+	// look up
+	return parent;
+}
+}
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ImageList.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ImageList.java
index 5c5023c727..54690f47a2 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ImageList.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ImageList.java
@@ -1,140 +1,140 @@
-package org.eclipse.swt.widgets;

-

-/*

- * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.

- * This file is made available under the terms of the Common Public License v1.0

- * which accompanies this distribution, and is available at

- * http://www.eclipse.org/legal/cpl-v10.html

- */

-

-import org.eclipse.swt.internal.gtk.*;

-import org.eclipse.swt.*;

-import org.eclipse.swt.graphics.*;

-

-class ImageList {

-	int [] pixbufs;

-	Image [] images;

-	

-public ImageList() {

-	images = new Image [4];

-	pixbufs = new int [4];

-}

-

-public int add (Image image) {

-	int index = 0;

-	while (index < images.length) {

-		if (images [index] != null) {

-			if (images [index].isDisposed ()) {

-				OS.g_object_unref (pixbufs [index]);

-				images [index] = null;

-				pixbufs [index] = 0;

-			}

-		}

-		if (images [index] == null) break;

-		index++;

-	}

-	int [] w = new int [1], h = new int [1];

- 	OS.gdk_drawable_get_size (image.pixmap, w, h);

-	int width = w [0], height = h [0]; 	

-	boolean hasMask = image.mask != 0;

-	int pixbuf = OS.gdk_pixbuf_new (OS.GDK_COLORSPACE_RGB, hasMask, 8, width, height);

-	if (pixbuf == 0) SWT.error (SWT.ERROR_NO_HANDLES);

-	int colormap = OS.gdk_colormap_get_system ();

-	OS.gdk_pixbuf_get_from_drawable (pixbuf, image.pixmap, colormap, 0, 0, 0, 0, width, height);

-	if (hasMask) {

-		int gdkMaskImagePtr = OS.gdk_drawable_get_image (image.mask, 0, 0, width, height);

-		if (gdkMaskImagePtr == 0) SWT.error (SWT.ERROR_NO_HANDLES);

-		int stride = OS.gdk_pixbuf_get_rowstride (pixbuf);

-		int pixels = OS.gdk_pixbuf_get_pixels (pixbuf);

-		byte [] line = new byte [stride];

-		for (int y=0; y<height; y++) {

-			int offset = pixels + (y * stride);

-			OS.memmove (line, offset, stride);

-			for (int x=0; x<width; x++) {

-				if (OS.gdk_image_get_pixel (gdkMaskImagePtr, x, y) != 0) {

-					line[x*4+3] = (byte)0xFF;

-				} else {

-					line[x*4+3] = 0;

-				}

-			}

-			OS.memmove (offset, line, stride);

-		}

-		OS.g_object_unref (gdkMaskImagePtr);

-	}

-	if (index == images.length) {

-		Image [] newImages = new Image [images.length + 4];

-		System.arraycopy (images, 0, newImages, 0, images.length);

-		images = newImages;

-		int [] newPixbufs = new int [pixbufs.length + 4];

-		System.arraycopy (pixbufs, 0, newPixbufs, 0, pixbufs.length);

-		pixbufs = newPixbufs;

-	}

-	pixbufs [index] = pixbuf;

-	images [index] = image;

-	return index;

-}

-

-public void dispose () {

-	if (pixbufs == null) return;

-	for (int index=0; index<pixbufs.length; index++) {

-		if (pixbufs [index] != 0) OS.g_object_unref (pixbufs [index]);

-	}

-	images = null;

-	pixbufs = null;

-}

-

-public Image get (int index) {

-	return images [index];

-}

-

-int getPixbuf (int index) {

-	return pixbufs [index];

-}

-

-public int indexOf (Image image) {

-	if (image == null) return -1;

-	for (int index=0; index<images.length; index++) {

-		if (image == images [index]) return index;

-	}

-	return -1;

-}

-

-int indexOf (int pixbuf) {

-	if (pixbuf == 0) return -1;

-	for (int index=0; index<images.length; index++) {

-		if (pixbuf == pixbufs [index]) return index;

-	}

-	return -1;

-}

-

-public boolean isDisposed () {

-	return images == null;

-}

-

-public void remove (Image image) {

-	if (image == null) return;

-	for (int index=0; index<images.length; index++) {

-		if (image == images [index]){

-			OS.g_object_unref (pixbufs [index]);

-			images [index] = null;

-			pixbufs [index] = 0;

-		}

-	}

-}

-

-public int size () {

-	int result = 0;

-	for (int index=0; index<images.length; index++) {

-		if (images [index] != null) {

-			if (images [index].isDisposed ()) {

-				OS.g_object_unref (pixbufs [index]);

-				images [index] = null;

-				pixbufs [index] = 0;

-			}

-			if (images [index] != null) result++;

-		}

-	}

-	return result;

-}

-

-}

+package org.eclipse.swt.widgets;
+
+/*
+ * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
+ * This file is made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ */
+
+import org.eclipse.swt.internal.gtk.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.graphics.*;
+
+class ImageList {
+	int [] pixbufs;
+	Image [] images;
+	
+public ImageList() {
+	images = new Image [4];
+	pixbufs = new int [4];
+}
+
+public int add (Image image) {
+	int index = 0;
+	while (index < images.length) {
+		if (images [index] != null) {
+			if (images [index].isDisposed ()) {
+				OS.g_object_unref (pixbufs [index]);
+				images [index] = null;
+				pixbufs [index] = 0;
+			}
+		}
+		if (images [index] == null) break;
+		index++;
+	}
+	int [] w = new int [1], h = new int [1];
+ 	OS.gdk_drawable_get_size (image.pixmap, w, h);
+	int width = w [0], height = h [0]; 	
+	boolean hasMask = image.mask != 0;
+	int pixbuf = OS.gdk_pixbuf_new (OS.GDK_COLORSPACE_RGB, hasMask, 8, width, height);
+	if (pixbuf == 0) SWT.error (SWT.ERROR_NO_HANDLES);
+	int colormap = OS.gdk_colormap_get_system ();
+	OS.gdk_pixbuf_get_from_drawable (pixbuf, image.pixmap, colormap, 0, 0, 0, 0, width, height);
+	if (hasMask) {
+		int gdkMaskImagePtr = OS.gdk_drawable_get_image (image.mask, 0, 0, width, height);
+		if (gdkMaskImagePtr == 0) SWT.error (SWT.ERROR_NO_HANDLES);
+		int stride = OS.gdk_pixbuf_get_rowstride (pixbuf);
+		int pixels = OS.gdk_pixbuf_get_pixels (pixbuf);
+		byte [] line = new byte [stride];
+		for (int y=0; y<height; y++) {
+			int offset = pixels + (y * stride);
+			OS.memmove (line, offset, stride);
+			for (int x=0; x<width; x++) {
+				if (OS.gdk_image_get_pixel (gdkMaskImagePtr, x, y) != 0) {
+					line[x*4+3] = (byte)0xFF;
+				} else {
+					line[x*4+3] = 0;
+				}
+			}
+			OS.memmove (offset, line, stride);
+		}
+		OS.g_object_unref (gdkMaskImagePtr);
+	}
+	if (index == images.length) {
+		Image [] newImages = new Image [images.length + 4];
+		System.arraycopy (images, 0, newImages, 0, images.length);
+		images = newImages;
+		int [] newPixbufs = new int [pixbufs.length + 4];
+		System.arraycopy (pixbufs, 0, newPixbufs, 0, pixbufs.length);
+		pixbufs = newPixbufs;
+	}
+	pixbufs [index] = pixbuf;
+	images [index] = image;
+	return index;
+}
+
+public void dispose () {
+	if (pixbufs == null) return;
+	for (int index=0; index<pixbufs.length; index++) {
+		if (pixbufs [index] != 0) OS.g_object_unref (pixbufs [index]);
+	}
+	images = null;
+	pixbufs = null;
+}
+
+public Image get (int index) {
+	return images [index];
+}
+
+int getPixbuf (int index) {
+	return pixbufs [index];
+}
+
+public int indexOf (Image image) {
+	if (image == null) return -1;
+	for (int index=0; index<images.length; index++) {
+		if (image == images [index]) return index;
+	}
+	return -1;
+}
+
+int indexOf (int pixbuf) {
+	if (pixbuf == 0) return -1;
+	for (int index=0; index<images.length; index++) {
+		if (pixbuf == pixbufs [index]) return index;
+	}
+	return -1;
+}
+
+public boolean isDisposed () {
+	return images == null;
+}
+
+public void remove (Image image) {
+	if (image == null) return;
+	for (int index=0; index<images.length; index++) {
+		if (image == images [index]){
+			OS.g_object_unref (pixbufs [index]);
+			images [index] = null;
+			pixbufs [index] = 0;
+		}
+	}
+}
+
+public int size () {
+	int result = 0;
+	for (int index=0; index<images.length; index++) {
+		if (images [index] != null) {
+			if (images [index].isDisposed ()) {
+				OS.g_object_unref (pixbufs [index]);
+				images [index] = null;
+				pixbufs [index] = 0;
+			}
+			if (images [index] != null) result++;
+		}
+	}
+	return result;
+}
+
+}