/* -*- tab-width: 4 -*- * * Electric(tm) VLSI Design System * * File: JMouseZoom.java * Written by Gilda Garreton, Sun Microsystems. * * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. * * Electric(tm) is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * Electric(tm) is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Electric(tm); see the file COPYING. If not, write to * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, Mass 02111-1307, USA. */ package com.sun.electric.plugins.j3d; import com.sun.j3d.utils.behaviors.mouse.MouseZoom; import javax.vecmath.Matrix4d; import java.awt.*; /** * Extending original zoom class to allow zoom not from original behavior * @author Gilda Garreton * @version 0.1 */ public class JMouseZoom extends MouseZoom { public JMouseZoom(Component c, int flags) {super(c, flags);} public void setZoom(double factor) { // Remember old matrix transformGroup.getTransform(currXform); Matrix4d mat = new Matrix4d(); currXform.get(mat); double dy = currXform.getScale() * factor; currXform.setScale(dy); transformGroup.setTransform(currXform); transformChanged( currXform ); } void zoomInOut(boolean out) { // // Remember old matrix // transformGroup.getTransform(currXform); // // Matrix4d mat = new Matrix4d(); // currXform.get(mat); double z_factor = Math.abs(getFactor()); double factor = (out) ? (0.5/z_factor) : (2*z_factor); double factor1 = (out) ? (1/z_factor) : (z_factor); setZoom(factor1); // // double dy = currXform.getScale() * factor1; // currXform.setScale(dy); // // // Translate to origin //// currXform.setTranslation(new Vector3d(0.0,0.0,0.0)); //// //// extraTrans.z = dy; //dy*getFactor(); //// //// //transformX.set(extraTrans); //// transformX.setScale(dy); //// //// if (invert) { //// currXform.mul(currXform, transformX); //// } else { //// currXform.mul(transformX, currXform); //// } //// //// // Set old extraTrans back //// Vector3d extraTrans = new Vector3d(mat.m03, mat.m13, mat.m23); //// currXform.setTranslation(extraTrans); // // transformGroup.setTransform(currXform); // // transformChanged( currXform ); } }