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	public BufferedImage getFrame(int index) {
		if (img == null || index < prevIndex) { // (Re)Init
			img = new BufferedImage(width, height, 2); // 2 = ARGB
			prevImg = new BufferedImage(width, height, 2);
			prevIndex = -1;
			prevDisposal = 2;
		}
		// Draw current frame on top of previous frames
		for (int i = prevIndex + 1; i <= index; i++) {
			GifFrame fr = frames.get(i);
			drawFrame(fr);
			prevIndex = i;
			prevDisposal = fr.disposalMethod;
		}

		BufferedImage copy = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
		Graphics      g    = copy.createGraphics();
		try {
			g.drawImage(img, 0, 0, null);
		} finally {
			g.dispose();
		}
		return copy;
	}