/*
* Copyright 2010, 2011, 2012 mapsforge.org
*
* This program 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 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mapsforge.map.rendertheme.renderinstruction;
import org.mapsforge.map.graphics.Paint;
import org.mapsforge.map.graphics.Style;
import org.mapsforge.map.rendertheme.GraphicAdapter;
import org.mapsforge.map.rendertheme.GraphicAdapter.Color;
import org.mapsforge.map.rendertheme.XmlUtils;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* A builder for {@link Circle} instances.
*/
public class CircleBuilder {
static final String FILL = "fill";
static final String RADIUS = "radius";
static final String SCALE_RADIUS = "scale-radius";
static final String STROKE = "stroke";
static final String STROKE_WIDTH = "stroke-width";
final Paint fill;
final int level;
Float radius;
boolean scaleRadius;
final Paint stroke;
float strokeWidth;
public CircleBuilder(GraphicAdapter graphicAdapter, String elementName, Attributes attributes, int level)
throws SAXException {
this.level = level;
this.fill = graphicAdapter.getPaint();
this.fill.setColor(graphicAdapter.getColor(Color.TRANSPARENT));
this.fill.setStyle(Style.FILL);
this.stroke = graphicAdapter.getPaint();
this.stroke.setColor(graphicAdapter.getColor(Color.TRANSPARENT));
this.stroke.setStyle(Style.STROKE);
extractValues(graphicAdapter, elementName, attributes);
}
/**
* @return a new {@code Circle} instance.
*/
public Circle build() {
return new Circle(this);
}
private void extractValues(GraphicAdapter graphicAdapter, String elementName, Attributes attributes)
throws SAXException {
for (int i = 0; i < attributes.getLength(); ++i) {
String name = attributes.getQName(i);
String value = attributes.getValue(i);
if (RADIUS.equals(name)) {
this.radius = Float.valueOf(XmlUtils.parseNonNegativeFloat(name, value));
} else if (SCALE_RADIUS.equals(name)) {
this.scaleRadius = Boolean.parseBoolean(value);
} else if (FILL.equals(name)) {
this.fill.setColor(graphicAdapter.parseColor(value));
} else if (STROKE.equals(name)) {
this.stroke.setColor(graphicAdapter.parseColor(value));
} else if (STROKE_WIDTH.equals(name)) {
this.strokeWidth = XmlUtils.parseNonNegativeFloat(name, value);
} else {
throw XmlUtils.createSAXException(elementName, name, value, i);
}
}
XmlUtils.checkMandatoryAttribute(elementName, RADIUS, this.radius);
}
}