| /****************************************************************************** |
| * Copyright (c) 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 |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.diagram.ui.internal.editparts; |
| |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| |
| /** |
| * @author sshaw |
| * @canBeSeenBy org.eclipse.gmf.runtime.diagram.ui.* |
| * |
| * Interface that abstracts the methods needed to perform zoom within a specific EditPart. |
| * |
| */ |
| public interface ZoomableEditPart { |
| |
| /** |
| * zoomOut |
| * Method will zoom out the EditPart to the next available level |
| */ |
| public void zoomOut(); |
| |
| /** |
| * zoomIn |
| * Method will zoom in the EditPart to the next available level |
| */ |
| public void zoomIn(); |
| |
| /** |
| * zoomOut |
| * Method will zoom out the EditPart to the next available level centered around a given point |
| * @param center Point around which the zoom will be centered in absolute coordinates |
| */ |
| public void zoomOut(Point center); |
| |
| /** |
| * zoomIn |
| * Method will zoom in the EditPart to the next available level centered around a given point |
| * @param center Point around which the zoom will be centered in absolute coordinates |
| */ |
| public void zoomIn(Point center); |
| |
| /** |
| * zoomTo |
| * This method allows implementators to zoom to a certain level centered around a given point. |
| * @param zoom double value where 1.0 represents 100%. |
| * @param center Point around which the zoom will be centered in absolute coordinates |
| */ |
| public void zoomTo(double zoom, Point center); |
| |
| /** |
| * zoomTo |
| * This method allows implementors to zoom into or out to a rectangular area. |
| * @param rect Rectangle that the edit part will zoom into our out to in absolute coordinates. |
| */ |
| public void zoomTo(Rectangle rect); |
| } |