/* -*- tab-width: 4 -*- * * Electric(tm) VLSI Design System * * File: JMouseZoom.java * Written by Gilda Garreton, Sun Microsystems. * * Copyright (c) 2005 Sun Microsystems and Static Free Software * * 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 );    }}