Method in

ij/src/main/java/ij/plugin/Zoom.java:29–38

(ImagePlus imp)

	}
	
	public static void in(ImagePlus imp) {
		ImageCanvas ic = imp.getCanvas();
		if (ic==null) return;
		waitUntilActivated(imp);
		int x = ic.screenX(imp.getWidth()/2);
		int y = ic.screenY(imp.getHeight()/2);
		ic.zoomIn(x, y);
		if (ic.getMagnification()<=1.0)
			imp.repaintWindow();
	}

	public static void out(ImagePlus imp) {
		ImageCanvas ic = imp.getCanvas();