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diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/canvas/DiagramPainter.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/canvas/DiagramPainter.java
new file mode 100644
index 000000000..7dbddc79b
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/canvas/DiagramPainter.java
@@ -0,0 +1,130 @@
+/*******************************************************************************
+ * 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.elementclass.canvas;
+
+import java.awt.Color;
+import java.awt.Stroke;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Line2D;
+import java.awt.geom.Rectangle2D;
+
+import org.simantics.g2d.diagram.DiagramHints;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.element.ElementHints;
+import org.simantics.g2d.element.ElementUtils;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.element.SceneGraphNodeKey;
+import org.simantics.g2d.element.handler.SceneGraph;
+import org.simantics.scenegraph.Node;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.g2d.nodes.ShapeNode;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+import org.simantics.utils.page.MarginUtils;
+
+/**
+ * Initializes the scene graph of another diagram inside the internal bounds of
+ * the element.
+ * 
+ * <p>
+ * Used keys for input element:
+ * <ul>
+ * <li>DiagramHints.KEY_DIAGRAM</li>
+ * <li>DiagramPainter.KEY_VIEWPORT</li>
+ * </ul>
+ * 
+ * <p>
+ * Supports:
+ * <ul>
+ * <li>BorderColor</li>
+ * <li>FillColor</li>
+ * </ul>
+ * 
+ * @see MarginUtils for determining viewport or
+ * @see ElementViewport lock viewport on an element
+ * 
+ * @author Toni Kalajainen
+ */
+public class DiagramPainter implements SceneGraph {
+
+    public static final Key            KEY_VIEWPORT     = new KeyOf(AffineTransform.class, "DiagramPainter.VIEWPORT");
+
+    private static final long          serialVersionUID = 6500535141363250713L;
+
+    public static final DiagramPainter INSTANCE         = new DiagramPainter();
+
+    private static final Color         FILM_COLOR       = new Color(0.0f, 0.0f, 0.0f, 0.3f);
+
+    private static final Key           SG_NODE          = new SceneGraphNodeKey(Node.class, "SUB_SG_NODE");
+
+    @Override
+    public void cleanup(IElement e) {
+        ElementUtils.removePossibleNode(e, SG_NODE);
+    }
+
+    @Override
+    public void init(IElement e, G2DParentNode parent) {
+        G2DParentNode node = (G2DParentNode) e.getHint(SG_NODE);
+        if (node == null) {
+            node = parent.addNode(G2DParentNode.class);
+            e.setHint(SG_NODE, node);
+        }
+
+        IDiagram d = e.getHint(DiagramHints.KEY_DIAGRAM);
+        Rectangle2D bounds = ElementUtils.getElementBounds(e);
+        AffineTransform viewport = e.getHint(KEY_VIEWPORT);
+        Color bc = ElementUtils.getBorderColor(e);
+        Color fc = ElementUtils.getFillColor(e);
+
+        node.removeNodes();
+
+        if (fc != null) {
+            ShapeNode fcn = node.addNode(ShapeNode.class);
+            fcn.setColor(fc);
+            fcn.setFill(true);
+            fcn.setShape(bounds);
+        }
+
+        if (bc != null) {
+            ShapeNode bcn = node.addNode(ShapeNode.class);
+            Stroke stroke = e.getHint(ElementHints.KEY_STROKE);
+            if (stroke != null)
+                bcn.setStroke(stroke);
+            bcn.setScaleStroke(true);
+            bcn.setColor(bc);
+            bcn.setShape(bounds);
+        }
+
+        // No diagram
+        if (d==null) {
+            ShapeNode shape = node.addNode(ShapeNode.class);
+            ShapeNode line1 = node.addNode(ShapeNode.class);
+            ShapeNode line2 = node.addNode(ShapeNode.class);
+
+            shape.setColor(FILM_COLOR);
+            shape.setFill(true);
+            shape.setShape(bounds);
+
+            line1.setColor(Color.WHITE);
+            line1.setShape(new Line2D.Double(bounds.getMinX(), bounds.getMinX(), bounds.getMaxX(), bounds.getMaxY()));
+
+            line2.setColor(Color.WHITE);
+            line2.setShape(new Line2D.Double(bounds.getMaxX(), bounds.getMinX(), bounds.getMinX(), bounds.getMaxY()));
+        } else {
+            if (viewport==null)
+                viewport = new AffineTransform();
+// FIXME: we need to get elementpainter..
+//            ElementPainter ep = ctx.getSingleItem(ElementPainter.class);
+//            ep.paintDiagram(node, d, null);
+        }
+    }
+}