de.openali.odysseus.chart.framework.util.resource.PatternRegistry.java Source code

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Here is the source code for de.openali.odysseus.chart.framework.util.resource.PatternRegistry.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 *
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 *
 *  and
 *
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact:
 *
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *
 *  ---------------------------------------------------------------------------*/
package de.openali.odysseus.chart.framework.util.resource;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Device;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Pattern;

/**
 * Registry to store SWT Patterns created from images. The caller does not need to dispose the patterns.
 *
 * @author burtscher1
 */
public class PatternRegistry extends AbstractResourceRegistryFactory<ImageDescriptor, Pair<Image, Pattern>> {
    @Override
    protected Pair<Image, Pattern> createResource(final Device dev, final ImageDescriptor descriptor) {
        final Image img = descriptor.createImage(dev);
        final Pattern p = new Pattern(dev, img);
        return new Pair<>(img, p);
    }

    @Override
    protected void disposeResource(final Pair<Image, Pattern> resource) {
        resource.getDomain().dispose();
        resource.getTarget().dispose();
    }
}