Java Rectangle Fit reScale(Rectangle rect, int oldScale, int newScale)

Description

re Scale

License

Open Source License

Declaration

public static Rectangle reScale(Rectangle rect, int oldScale, int newScale) 

Method Source Code

//package com.java2s;
/* Barlog Game Engine/*from w w w.ja va  2 s.c o  m*/
 * Copyright (C) 2011 Jieni Luchijinzhou a.k.a. Denis Luchkin-Zhou
 * -----------------------------------------------------------------------
 * /com/wyvernzora/barlog/Utilities.java
 * -----------------------------------------------------------------------
 * 
 * Utility class for miscellaneous methods.
 * 
 * 
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.awt.Point;
import java.awt.Rectangle;

public class Main {
    public static int reScale(int num, int oldScale, int newScale) {
        double dnum = new Double(num);
        double dold = new Double(oldScale);
        double dnew = new Double(newScale);

        return (int) (dnum * (dnew / dold));
    }

    public static float reScale(float num, int oldScale, int newScale) {
        double dnum = new Double(num);
        double dold = new Double(oldScale);
        double dnew = new Double(newScale);

        return (float) (dnum * (dnew / dold));
    }

    public static Point reScale(Point p, int oldScale, int newScale) {
        return new Point(reScale(p.x, oldScale, newScale), reScale(p.y, oldScale, newScale));
    }

    public static Rectangle reScale(Rectangle rect, int oldScale, int newScale) {
        Rectangle res = new Rectangle();
        res.x = reScale(rect.x, oldScale, newScale);
        res.y = reScale(rect.y, oldScale, newScale);
        res.width = reScale(rect.width, oldScale, newScale);
        res.height = reScale(rect.height, oldScale, newScale);
        return res;
    }
}

Related

1. fitRectInRect(Rectangle rect, Rectangle bounds)
2. fits(Rectangle r)
3. fits(Rectangle2D o1, Rectangle2D o2)
4. fitsInside(Dimension2D dim, Rectangle2D rect)
5. fitsRotated(Rectangle2D o1, Rectangle2D o2)
6. shrinkToFit(Rectangle container, Rectangle item)