Java Image ensureImageLoaded(Image img)

Description

Ensures that the image is properly loaded before returning

License

Open Source License

Parameter

Parameter	Description
img	the image to wait for

Return

the loaded image (may be different than the one passed in)

Declaration

public static Image ensureImageLoaded(Image img) 

Method Source Code

//package com.java2s;
/*/*from  w  w w  .ja v a2 s . c  o m*/
 * Copyright appNativa Inc. All Rights Reserved.
 *
 * This file is part of the Real-time Application Rendering Engine (RARE).
 *
 * RARE 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.Image;

import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

public class Main {
    private static ImageIcon IMAGE_LOADER;

    /**
     * Ensures that the image is properly loaded before returning
     *
     * @param img the image to wait for
     * @return the loaded image (may be different than the one passed in)
     */
    public static Image ensureImageLoaded(Image img) {
        if (img instanceof BufferedImage) {
            return img;
        }

        if (img.getWidth(null) > -1) {
            return img;
        }

        if (IMAGE_LOADER == null) {
            IMAGE_LOADER = new ImageIcon();
        }

        IMAGE_LOADER.setImage(img); // forces a load of the image;

        return img;
    }
}

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