95 lines
2.4 KiB
Java
95 lines
2.4 KiB
Java
/*
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AwtMetricsFC2.java
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*
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* Copyright (c) 2000, Ted Nelson and Tuomas Lukka
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Kimmo Wideroos
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*/
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package org.gzigzag.module;
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import org.gzigzag.*;
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import java.util.*;
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import java.awt.*;
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/** Focus+context metrics2
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*/
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public class AwtMetricsFC2 extends AwtMetrics {
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public String getZObName() {
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return "Focus+Context (2)";
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}
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public double[] transformAtFocusNbhood(double x, double y, double focusCoeff) {
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double dx, dy, x2, y2;
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x2 = x*focusCoeff;
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y2 = y*focusCoeff;
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if(x2<1 && x2>-1) {
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dx = x2;
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} else {
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dx = (x2>0) ? Math.sqrt(x2) : -Math.sqrt(-x2);
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}
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if(y2<1 && y2>-1) {
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dy = y2;
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} else {
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dy = (y2>0) ? Math.sqrt(y2) : -Math.sqrt(-y2);
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}
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return new double[] { dx/focusCoeff, dy/focusCoeff };
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}
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public double[] inverseTransformAtFocusNbhood(double x, double y, double focusCoeff) {
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double dx, dy, x2, y2;
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x2 = x*focusCoeff;
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y2 = y*focusCoeff;
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if(x2<1 && x2>-1) {
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dx = x2;
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} else {
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dx = x2*x2;
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dx = x2>0 ? dx : -dx;
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}
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if(y2<1 && y2>-1) {
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dy = y2;
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} else {
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dy = y2*y2;
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dy = y2>0 ? dy : -dy;
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}
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return new double[] { dx/focusCoeff, dy/focusCoeff };
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}
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public double transformScalingValue(double s) { return s; }
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public double focusCoefficientMinimum() { return 4.0; }
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public double focusCoefficientMaximum() { return 8.0; }
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public AwtMetricsFC2() { super(); }
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public AwtMetricsFC2(ZZCell start, Dimension rv, Dimension vv,
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double ox, double oy) {
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super(start, rv, vv, ox, oy);
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}
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}
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