?? jmousezoom.java
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/* -*- 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 ); }}
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