/******************************************************************************* * Copyright (c) 2000, 2012 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.swt.examples.paint; import org.eclipse.swt.events.*; /** * Manages an interactive paint session. * Note that the coordinates received via the listener interfaces are virtualized to zero-origin * relative to the painting surface. */ public interface PaintSession extends MouseListener, MouseMoveListener { /** * Returns the paint surface associated with this paint session * * @return the associated PaintSurface */ public PaintSurface getPaintSurface(); /** * Activates the session. * * Note: When overriding this method, call super.beginSession() at method start. */ public abstract void beginSession(); /** * Deactivates the session. * * Note: When overriding this method, call super.endSession() at method exit. */ public abstract void endSession(); /** * Resets the session. * Aborts any operation in progress. * * Note: When overriding this method, call super.resetSession() at method exit. */ public abstract void resetSession(); /** * Returns the name associated with this tool. * * @return the localized name of this tool */ public String getDisplayName(); }