DefaultRasterDocumentFeature.java

/***************************************************
*
* cismet GmbH, Saarbruecken, Germany
*
*              ... and it just works.
*
****************************************************/
/*
 *  Copyright (C) 2010 srichter
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.cismet.cismap.commons.features;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LinearRing;
import com.vividsolutions.jts.geom.PrecisionModel;

import edu.umd.cs.piccolo.nodes.PImage;

import java.awt.image.BufferedImage;

import de.cismet.cismap.commons.CrsTransformer;
import de.cismet.cismap.commons.interaction.CismapBroker;

/**
 * DOCUMENT ME!
 *
 * @author   srichter
 * @version  $Revision$, $Date$
 */
public class DefaultRasterDocumentFeature implements RasterDocumentFeature {

    //~ Static fields/initializers ---------------------------------------------

    private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(
            DefaultRasterDocumentFeature.class);

    //~ Instance fields --------------------------------------------------------

    private final BufferedImage rasterDocument;
    private PImage pImage;
    private Geometry geometry;
    private boolean canBeSelected;
    private boolean editable;
    private boolean hidden;

    //~ Constructors -----------------------------------------------------------

    /**
     * Creates a new DefaultRasterDocumentFeature object.
     *
     * @param  rasterDocument  DOCUMENT ME!
     * @param  geom            DOCUMENT ME!
     */
    public DefaultRasterDocumentFeature(final BufferedImage rasterDocument, final Geometry geom) {
        this(rasterDocument, geom, true, true, false);
    }

    /**
     * Creates a new DefaultRasterDocumentFeature object.
     *
     * @param  rasterDocument  DOCUMENT ME!
     * @param  x               DOCUMENT ME!
     * @param  y               DOCUMENT ME!
     */
    public DefaultRasterDocumentFeature(final BufferedImage rasterDocument, final double x, final double y) {
        this(rasterDocument, getGeomFromRasterImage(rasterDocument, x, y));
    }

    /**
     * Creates a new DefaultRasterDocumentFeature object.
     *
     * @param  rasterDocument  DOCUMENT ME!
     * @param  x               DOCUMENT ME!
     * @param  y               DOCUMENT ME!
     * @param  srid            DOCUMENT ME!
     */
    public DefaultRasterDocumentFeature(final BufferedImage rasterDocument,
            final double x,
            final double y,
            final int srid) {
        this(rasterDocument, getGeomFromRasterImage(rasterDocument, x, y, srid));
    }

    /**
     * Creates a new DefaultRasterDocumentFeature object.
     *
     * @param  rasterDocument  DOCUMENT ME!
     * @param  geometry        DOCUMENT ME!
     * @param  canBeSelected   DOCUMENT ME!
     * @param  editable        DOCUMENT ME!
     * @param  hidden          DOCUMENT ME!
     */
    public DefaultRasterDocumentFeature(final BufferedImage rasterDocument,
            final Geometry geometry,
            final boolean canBeSelected,
            final boolean editable,
            final boolean hidden) {
        this.rasterDocument = rasterDocument;
        this.geometry = geometry;
        this.canBeSelected = canBeSelected;
        this.editable = editable;
    }

    //~ Methods ----------------------------------------------------------------

    @Override
    public BufferedImage getRasterDocument() {
        return rasterDocument;
    }

    @Override
    public Geometry getGeometry() {
        return geometry;
    }

    @Override
    public void setGeometry(final Geometry geom) {
        this.geometry = geom;
    }

    @Override
    public boolean canBeSelected() {
        return canBeSelected;
    }

    @Override
    public void setCanBeSelected(final boolean canBeSelected) {
        this.canBeSelected = canBeSelected;
    }

    @Override
    public boolean isEditable() {
        return editable;
    }

    @Override
    public void setEditable(final boolean editable) {
        this.editable = editable;
    }

    @Override
    public boolean isHidden() {
        return hidden;
    }

    @Override
    public void hide(final boolean hiding) {
        this.hidden = hiding;
    }

    /**
     * DOCUMENT ME!
     *
     * @param   bi  DOCUMENT ME!
     * @param   x   DOCUMENT ME!
     * @param   y   DOCUMENT ME!
     *
     * @return  DOCUMENT ME!
     */
    private static Geometry getGeomFromRasterImage(final BufferedImage bi, final double x, final double y) {
        return getGeomFromRasterImage(
                bi,
                x,
                y,
                CrsTransformer.extractSridFromCrs(CismapBroker.getInstance().getDefaultCrs()));
    }

    /**
     * DOCUMENT ME!
     *
     * @param   bi    DOCUMENT ME!
     * @param   x     DOCUMENT ME!
     * @param   y     DOCUMENT ME!
     * @param   srid  DOCUMENT ME!
     *
     * @return  DOCUMENT ME!
     */
    private static Geometry getGeomFromRasterImage(final BufferedImage bi,
            final double x,
            final double y,
            final int srid) {
        final GeometryFactory GEOM_FACTORY = new GeometryFactory(new PrecisionModel(PrecisionModel.FLOATING),
                srid);

        final int width = bi.getWidth();
        final int height = bi.getHeight();
        final Coordinate ursprung0 = new Coordinate(x, y);
        final Coordinate x1 = new Coordinate(width + x, y);
        final Coordinate xy2 = new Coordinate(width + x, height + y);
        final Coordinate y3 = new Coordinate(x, height + y);
        final Coordinate ursprung4 = new Coordinate(x, y);
        final Coordinate[] coords = new Coordinate[] { ursprung0, x1, xy2, y3, ursprung4 };
        final LinearRing linearRing = GEOM_FACTORY.createLinearRing(coords);
        final Geometry result = GEOM_FACTORY.createPolygon(linearRing, null);

//        result = CrsTransformer.transformToDefaultCrs(result);
        log.info("Created Geometry: " + result);
        return result;
    }
//    private static Geometry getGeomFromRasterImage(BufferedImage bi) {
//        final int width = bi.getWidth();
//        final int height = bi.getHeight();
//        Coordinate ursprung0 = new Coordinate(0, 0);
//        Coordinate x1 = new Coordinate(width, 0);
//        Coordinate xy2 = new Coordinate(width, height);
//        Coordinate y3 = new Coordinate(0, height);
//        Coordinate ursprung4 = new Coordinate(0, 0);
//        Coordinate[] coords = new Coordinate[]{ursprung0, x1, xy2, y3, ursprung4};
//        LinearRing linearRing = GEOM_FACTORY.createLinearRing(coords);
//        Geometry result = GEOM_FACTORY.createPolygon(linearRing, null);
//        log.info("Created Geometry: " + result);
//        return result;
//    }

    @Override
    public String toString() {
        return "Dokument";
    }
}