Bufferedimage resize

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Updated answer

I cannot recall why my original answer worked but having tested it in a separate environment, I agree, the original accepted answer doesn’t work (why I said it did I cannot remember either). This, on the other hand, did work:

public static BufferedImage resize(BufferedImage img, int newW, int newH) { 
    Image tmp = img.getScaledInstance(newW, newH, Image.SCALE_SMOOTH);
    BufferedImage dimg = new BufferedImage(newW, newH, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g2d = dimg.createGraphics();
    g2d.drawImage(tmp, 0, 0, null);
    g2d.dispose();

    return dimg;
}

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