/*******************************************************************************
* Copyright 2010 Simon Mieth
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package org.kabeja.svg.generators;
import java.util.Map;
import org.kabeja.common.DraftEntity;
import org.kabeja.entities.Line;
import org.kabeja.math.Point3D;
import org.kabeja.math.TransformContext;
import org.kabeja.svg.SVGConstants;
import org.kabeja.svg.SVGPathBoundaryGenerator;
import org.kabeja.svg.SVGUtils;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
public class SVGLineGenerator extends AbstractSVGSAXGenerator
implements SVGPathBoundaryGenerator {
public void toSAX(ContentHandler handler, Map svgContext, DraftEntity entity,
TransformContext transformContext) throws SAXException {
Line line = (Line) entity;
AttributesImpl attr = new AttributesImpl();
// set the attributes
SVGUtils.addAttribute(attr, "x1",
SVGUtils.formatNumberAttribute(line.getStartPoint().getX()));
SVGUtils.addAttribute(attr, "y1",
SVGUtils.formatNumberAttribute(line.getStartPoint().getY()));
SVGUtils.addAttribute(attr, "x2",
SVGUtils.formatNumberAttribute(line.getEndPoint().getX()));
SVGUtils.addAttribute(attr, "y2",
SVGUtils.formatNumberAttribute(line.getEndPoint().getY()));
super.setCommonAttributes(attr, svgContext, line);
SVGUtils.emptyElement(handler, SVGConstants.SVG_LINE, attr);
}
public String getSVGPath(DraftEntity entity) {
Line line = (Line) entity;
Point3D start = line.getStartPoint();
Point3D end = line.getEndPoint();
StringBuffer buf = new StringBuffer();
buf.append("M ");
buf.append(SVGUtils.formatNumberAttribute(start.getX()));
buf.append(SVGConstants.SVG_ATTRIBUTE_PATH_PLACEHOLDER);
buf.append(SVGUtils.formatNumberAttribute(start.getY()));
buf.append(" L ");
buf.append(SVGUtils.formatNumberAttribute(end.getX()));
buf.append(SVGConstants.SVG_ATTRIBUTE_PATH_PLACEHOLDER);
buf.append(SVGUtils.formatNumberAttribute(end.getY()));
return buf.toString();
}
}