public void setViewport(Viewport _viewport) { if (_viewport != null) { // disconnect from old viewport _viewport.setContainer(null); } mViewport = _viewport; if (mViewport != null) { // connect to new Satellite mViewport.setContainer(this); // resize to show entire view of satellite Dimension size = mViewport.getPreferredSize(); setViewportSize(size); // resize the window to fit the image setSize( size.width + getInsets().left + getInsets().right + 2 * INSET, size.height + getInsets().top + getInsets().bottom + 2 * INSET); } }