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* Copyright 2005-2010 Kirill Grouchnikov, based on work by
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* Sun Microsystems, Inc. All rights reserved.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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package org.pushingpixels.substance.swingx;
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import javax.swing.JComponent;
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import javax.swing.plaf.ComponentUI;
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import org.jdesktop.swingx.JXPanel;
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import org.pushingpixels.substance.internal.utils.SubstanceCoreUtilities;
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* Substance-consistent UI delegate for {@link JXPanel}.
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* @author Kirill Grouchnikov
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public class SubstancePanelUI extends org.pushingpixels.substance.internal.ui.SubstancePanelUI {
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public static ComponentUI createUI(JComponent comp) {
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SubstanceCoreUtilities.testComponentCreationThreadingViolation(comp);
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return new SubstancePanelUI();
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* org.jvnet.substance.SubstancePanelUI#toPaintBackground(javax.swing.JComponent
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protected boolean toPaintBackground(JComponent c) {
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boolean result = super.toPaintBackground(c);
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if (c instanceof JXPanel) {
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JXPanel jxPanel = (JXPanel) c;
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if (jxPanel.getAlpha() < 1.0)