--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/jface/text/IDocumentInformationMappingExtension2.d	Sat Aug 23 19:10:48 2008 +0200
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module dwtx.jface.text.IDocumentInformationMappingExtension2;
+
+import dwt.dwthelper.utils;
+
+/**
+ * Extension to {@link dwtx.jface.text.IDocumentInformationMapping}.
+ * <p>
+ * Extends the information available in the mapping by providing access
+ * to the closest image region of an origin region.
+ * </p>
+ *
+ * @see dwtx.jface.text.IDocumentInformationMapping
+ * @since 3.1
+ */
+public interface IDocumentInformationMappingExtension2 {
+
+    /**
+     * Returns the minimal region of the image document that completely
+     * comprises the given region of the original document. The difference to
+     * {@link IDocumentInformationMapping#toImageRegion(IRegion)} is that this
+     * method will always return an image region for a valid origin region. If
+     * <code>originRegion</code> has no corresponding image region, the
+     * zero-length region at the offset between its surrounding fragments is
+     * returned.
+     *
+     * @param originRegion the region of the original document
+     * @return the minimal region of the image document comprising the given
+     *         region of the original document
+     * @throws BadLocationException if <code>originRegion</code> is not a
+     *         valid region of the original document
+     */
+    IRegion toClosestImageRegion(IRegion originRegion) throws BadLocationException;
+}