Utils.java Source code

Introduction

Here is the source code for Utils.java

Source

/*
 *
 * Created on March 16, 2007, 4:34 PM
 *
 * Copyright 2006-2007 Nigel Hughes
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at http://www.apache.org/
 * licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Transparency;
import java.awt.image.BufferedImage;

/**
    
 * @author nigel
 */
public class Utils {
    /**
     * Produces a copy of the supplied image
     *
     * @param image The original image
     * @return The new BufferedImage
     */
    public static BufferedImage copyImage(BufferedImage image) {
        return scaledImage(image, image.getWidth(), image.getHeight());
    }

    /**
     * Produces a resized image that is of the given dimensions
     *
     * @param image The original image
     * @param width The desired width
     * @param height The desired height
     * @return The new BufferedImage
     */
    public static BufferedImage scaledImage(BufferedImage image, int width, int height) {
        BufferedImage newImage = createCompatibleImage(width, height);
        Graphics graphics = newImage.createGraphics();

        graphics.drawImage(image, 0, 0, width, height, null);

        graphics.dispose();
        return newImage;
    }

    /**
     * Creates an image compatible with the current display
     * 
     * @return A BufferedImage with the appropriate color model
     */
    public static BufferedImage createCompatibleImage(int width, int height) {
        GraphicsConfiguration configuration = GraphicsEnvironment.getLocalGraphicsEnvironment()
                .getDefaultScreenDevice().getDefaultConfiguration();
        return configuration.createCompatibleImage(width, height, Transparency.TRANSLUCENT);
    }
}