Java ImageIcon to BufferedImage getBufferedImageFitToWidth(ImageIcon icon, double width)

Description

get Buffered Image Fit To Width

License

Open Source License

Declaration

public static BufferedImage getBufferedImageFitToWidth(ImageIcon icon, double width) 

Method Source Code

//package com.java2s;
/*//from  www .  j a  v  a  2  s  .c o m
* Jt'B Dive Logbook - Electronic dive logbook.
* 
* Copyright (C) 2010  Gautier Vanderslyen
* 
* Jt'B Dive Logbook 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.Graphics2D;

import java.awt.Image;

import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

public class Main {
    public static BufferedImage getBufferedImageFitToWidth(ImageIcon icon, double width) {
        double originalWidth = icon.getIconWidth();
        double scale = width / originalWidth;
        return getScaledBufferedImage(icon, scale);
    }

    public static BufferedImage getScaledBufferedImage(ImageIcon icon, double scale) {
        int iw = icon.getIconWidth();
        int w = (int) (iw * scale);
        int h = (int) (icon.getIconHeight() * scale);
        BufferedImage outImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
        AffineTransform trans = new AffineTransform();
        trans.scale(scale, scale);
        Graphics2D g = outImage.createGraphics();
        g.drawImage(icon.getImage(), trans, null);
        g.dispose();
        return outImage;
    }

    public static BufferedImage getScaledBufferedImage(Image icon, double scale) {
        int iw = icon.getWidth(null);
        int w = (int) (iw * scale);
        int h = (int) (icon.getHeight(null) * scale);
        BufferedImage outImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
        AffineTransform trans = new AffineTransform();
        trans.scale(scale, scale);
        Graphics2D g = outImage.createGraphics();
        g.drawImage(icon, trans, null);
        g.dispose();
        return outImage;
    }
}

Related

1. getBufferedImage(final ImageIcon icon)
2. getBufferedImage(ImageIcon icon)
3. imageIconToBufferedImage(ImageIcon icon)
4. imageToBufferedImage(ImageIcon src)