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diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/image/Image.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/image/Image.java
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+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/image/Image.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.image;
+
+ import java.awt.Shape;
+import java.awt.geom.Rectangle2D;
+import java.util.EnumSet;
+
+import org.simantics.scenegraph.Node;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+
+/**
+ * Interface for paintable graphics - either vector or raster.
+ * 
+ * 
+ * @See {@link ImageUtils} Image handling utilities
+ * @author Toni Kalajainen
+ */
+public interface Image {
+	
+	/**
+	 * Paint the image to a graphics 2d context.
+	 * 
+	 * @param g graphics context
+	 */
+	Node init(G2DParentNode parent);
+    
+	/**
+	 * Get rectangle that contains the whole image.
+	 * 
+	 * @return bounds
+	 */
+	Rectangle2D getBounds();
+	
+	/**
+	 * Get an outline of the image.
+	 * 
+	 * @return boundary of the image
+	 */
+	Shape getOutline();
+	
+	public enum Feature {
+		Vector,		// Vector image, unlimited quality
+		Volatile	// The content of the image may change
+	}
+	
+	EnumSet<Feature> VECTOR = EnumSet.of(Feature.Vector);
+	EnumSet<Feature> VOLATILE = EnumSet.of(Feature.Volatile);
+	EnumSet<Feature> VOLATILE_VECTOR = EnumSet.of(Feature.Vector, Feature.Volatile);
+	
+	public EnumSet<Feature> getFeatures();
+	
+	public interface ImageListener {
+		/**
+		 * Notification signaling that the content (size, of content) 
+		 * of an image has changed.
+		 * This notification can occur only to images with Volatile feature. 
+		 * 
+		 * @param image
+		 */
+		void onContentChangedNotification(Image image);
+	}
+	
+	/**
+	 * Add image listener.  
+	 * @param listener
+	 */
+	void addImageListener(ImageListener listener);
+	
+	/**
+	 * Remove image listener
+	 * @param listener
+	 */
+	void removeImageListener(ImageListener listener);
+	
+}