1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.g2d.element.handler;
14 import java.awt.geom.Rectangle2D;
16 import org.simantics.g2d.element.IElement;
17 import org.simantics.g2d.element.ElementClass.Single;
18 import org.simantics.g2d.element.handler.impl.Resizeable;
21 * This interface is implemented by all elements whose internal size can
24 * @See {@link InternalSize} Handler for acquiring internal size of an element
25 * @See {@link Resizeable} size can be changed by user
26 * @author Toni Kalajainen
29 public interface Resize extends ElementHandler, InternalSize {
37 void resize(IElement e, Rectangle2D newSize);
40 * Returns width/height ratio if dimensions of the element are uniform, and
43 * @return aspect ratio or null
45 Double getFixedAspectRatio(IElement e);
48 * Get minimum size if one exists
50 * @return the minimum size or null
52 Rectangle2D getMinimumSize(IElement e);
55 * Get the maximum size of the element
57 * @return the maximum size or null
59 Rectangle2D getMaximumSize(IElement e);