001/** 002 * Copyright (c) 2011, The University of Southampton and the individual contributors. 003 * All rights reserved. 004 * 005 * Redistribution and use in source and binary forms, with or without modification, 006 * are permitted provided that the following conditions are met: 007 * 008 * * Redistributions of source code must retain the above copyright notice, 009 * this list of conditions and the following disclaimer. 010 * 011 * * Redistributions in binary form must reproduce the above copyright notice, 012 * this list of conditions and the following disclaimer in the documentation 013 * and/or other materials provided with the distribution. 014 * 015 * * Neither the name of the University of Southampton nor the names of its 016 * contributors may be used to endorse or promote products derived from this 017 * software without specific prior written permission. 018 * 019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 029 */ 030/** 031 * 032 */ 033package org.openimaj.image.analysis.watershed.event; 034 035import java.util.EventListener; 036 037import org.openimaj.image.analysis.watershed.Component; 038 039 040/** 041 * 042 * 043 * @author David Dupplaw (dpd@ecs.soton.ac.uk) 044 * 045 */ 046public interface ComponentStackMergeListener extends EventListener 047{ 048 /** 049 * Called when component c2 is merged into component c1. This 050 * will be called <b>before</b> the merge occurs, so component c1 051 * will not contain the pixels of c2. 052 * 053 * @param c1 The component that is receiving the merge 054 * @param c2 The component that is providing the merge. 055 */ 056 public void componentsMerged( Component c1, Component c2 ); 057 058 /** 059 * Called when the given component c1 is upwardly promoted to 060 * a higher intensity value. The component will contain all the pixels 061 * at the higher level. 062 * @param c1 The component being promoted. 063 */ 064 public void componentPromoted( Component c1 ); 065}