pinch to zoom on Windows 8 tablets

[Jon Harman-3]

Hi,
Pinch to zoom on Windows 8 tablets works in a window opened by my
plugin, but not in a normal ImageJ window.  After a little searching I
found that this code (written years ago) in my custom window extension
of ImageWindow causes it to work:

@Override
public void mouseWheelMoved(MouseWheelEvent event) {
        synchronized (this) {
                int rotation = event.getWheelRotation();
                        if (rotation < 0)
                                IJ.run("In");
                        else
                                IJ.run("Out");
        }
}

It might be nice to include this in the ImageJ ImageWindow class.

Jon

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