/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.internal.rendering;
import java.io.IOException;
import java.io.Writer;
import org.geomajas.global.ExceptionCode;
import org.geomajas.internal.rendering.writer.vml.geometry.GeometryCollectionWriter;
import org.geomajas.internal.rendering.writer.vml.geometry.LineStringWriter;
import org.geomajas.internal.rendering.writer.vml.geometry.MultiLineStringWriter;
import org.geomajas.internal.rendering.writer.vml.geometry.MultiPointWriter;
import org.geomajas.internal.rendering.writer.vml.geometry.MultiPolygonWriter;
import org.geomajas.internal.rendering.writer.vml.geometry.PointWriter;
import org.geomajas.internal.rendering.writer.vml.geometry.PolygonWriter;
import org.geomajas.rendering.RenderException;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.GeometryCollection;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.LinearRing;
import com.vividsolutions.jts.geom.MultiLineString;
import com.vividsolutions.jts.geom.MultiPoint;
import com.vividsolutions.jts.geom.MultiPolygon;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.geom.Polygon;
/**
* <p>
* GraphicsDocument implementation for writing VML documents. This document is
* used when painting a tile's VML in {@link org.geomajas.internal.layer.vector.GetTileStringContentStep},
* and the renderer specifies VML.
* </p>
*
* @author Pieter De Graef
* @author Joachim Van der Auwera
*/
public class DefaultVmlDocument extends AbstractGraphicsDocument {
/**
* Default value for the number of digits after the fraction.
*/
protected static final int DEFAULT_MAX_DIGITS = 0;
public DefaultVmlDocument(Writer writer) throws RenderException {
super(DEFAULT_MAX_DIGITS);
this.writer = writer;
initDefaultWriters();
}
public void writeClosedPathContent(Coordinate[] coords) throws RenderException {
try {
checkState(true);
Coordinate[] openCoords = new Coordinate[coords.length - 1];
System.arraycopy(coords, 0, openCoords, 0, coords.length - 1);
writePathContent(openCoords);
writer.write('x');
} catch (IOException ioe) {
throw new RenderException(ioe, ExceptionCode.RENDER_DOCUMENT_IO_EXCEPTION);
}
}
public void writePathContent(Coordinate[] coords) throws RenderException {
writePathContent(coords, 'm', 'r');
}
private void initDefaultWriters() {
registerWriter(Point.class, new PointWriter());
registerWriter(LineString.class, new LineStringWriter());
registerWriter(LinearRing.class, new LineStringWriter());
registerWriter(Polygon.class, new PolygonWriter());
registerWriter(MultiPoint.class, new MultiPointWriter());
registerWriter(MultiLineString.class, new MultiLineStringWriter());
registerWriter(MultiPolygon.class, new MultiPolygonWriter());
registerWriter(GeometryCollection.class, new GeometryCollectionWriter());
}
}