Here you can find the source of getThumbImage(ImageIcon myLoadedImageIcon, int thumbHeight, int thumbWidth)
public static ImageIcon getThumbImage(ImageIcon myLoadedImageIcon, int thumbHeight, int thumbWidth)
//package com.java2s; /**/*from w ww . ja va2 s .c o m*/ * ComicDB - overview you comics * Copyright (C) 2006 Daniel Moos * * 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 2 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, write to the Free Software Foundation, Inc., 51 Franklin * St, Fifth Floor, Boston, MA 02110, USA */ import java.awt.Graphics2D; import java.awt.Image; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import javax.swing.ImageIcon; public class Main { public static ImageIcon getThumbImage(ImageIcon myLoadedImageIcon, int thumbHeight, int thumbWidth) { Image myImage = myLoadedImageIcon.getImage(); // int scaledX = (int) (scaleFactor * myImage.getWidth(null)); // int scaledY = (int) (scaleFactor * myImage.getHeight(null)); BufferedImage thumbImage = new BufferedImage(thumbWidth, thumbHeight, BufferedImage.TYPE_INT_RGB); Graphics2D graphics2D = thumbImage.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2D.drawImage(myImage, 0, 0, thumbWidth, thumbHeight, null); graphics2D.dispose(); // Image scaledImage = myImage.getScaledInstance(thumbWidth, thumbHeight, Image.SCALE_SMOOTH); return new ImageIcon(thumbImage); } }