/**
* OrbisGIS is a java GIS application dedicated to research in GIScience.
* OrbisGIS is developed by the GIS group of the DECIDE team of the
* Lab-STICC CNRS laboratory, see <http://www.lab-sticc.fr/>.
*
* The GIS group of the DECIDE team is located at :
*
* Laboratoire Lab-STICC – CNRS UMR 6285
* Equipe DECIDE
* UNIVERSITÉ DE BRETAGNE-SUD
* Institut Universitaire de Technologie de Vannes
* 8, Rue Montaigne - BP 561 56017 Vannes Cedex
*
* OrbisGIS is distributed under GPL 3 license.
*
* Copyright (C) 2007-2014 CNRS (IRSTV FR CNRS 2488)
* Copyright (C) 2015-2017 CNRS (Lab-STICC UMR CNRS 6285)
*
* This file is part of OrbisGIS.
*
* OrbisGIS 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.
*
* OrbisGIS 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
* OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
*
* For more information, please consult: <http://www.orbisgis.org/>
* or contact directly:
* info_at_ orbisgis.org
*/
package org.orbisgis.coremap.renderer.se.transform;
import java.awt.geom.AffineTransform;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.xml.bind.JAXBElement;
import net.opengis.se._2_0.core.ObjectFactory;
import net.opengis.se._2_0.core.ScaleType;
import org.orbisgis.coremap.map.MapTransform;
import org.orbisgis.coremap.renderer.se.AbstractSymbolizerNode;
import org.orbisgis.coremap.renderer.se.SeExceptions.InvalidStyle;
import org.orbisgis.coremap.renderer.se.SymbolizerNode;
import org.orbisgis.coremap.renderer.se.common.Uom;
import org.orbisgis.coremap.renderer.se.parameter.ParameterException;
import org.orbisgis.coremap.renderer.se.parameter.SeParameterFactory;
import org.orbisgis.coremap.renderer.se.parameter.real.RealParameter;
import org.orbisgis.coremap.renderer.se.parameter.real.RealParameterContext;
/**
* {@code Scale} is used to apply an homothetic transformation on a Graphic. It
* depends on the following parameter :
* <ul><li>X : The horizontal multiplication factor</li>
* <li>Y : The vertical multiplication factor</li></ul>
*
* @author Maxence Laurent, Alexis Guéganno
*/
public final class Scale extends AbstractSymbolizerNode implements Transformation {
private RealParameter x;
private RealParameter y;
/**
* Build a new {@code Scale} with the given horizontal and vertical factors.
* @param x The horizontal factor.
* @param y The vertical factor.
*/
public Scale(RealParameter x, RealParameter y) {
setX(x);
setY(y);
}
/**
* Build a new {@code Scale} with the given factor, that will be used for
* both vertical and horizontal values.
* @param xy
*/
public Scale(RealParameter xy) {
setX(xy);
setY(xy);
}
/**
* Build a new {@code Scale} with the given JAXB {@code ScaleType}.
* @param s
* @throws org.orbisgis.coremap.renderer.se.SeExceptions.InvalidStyle
*/
Scale(ScaleType s) throws InvalidStyle {
/*if (s.getXY() != null) {
setX(SeParameterFactory.createRealParameter(s.getXY()));
setY(SeParameterFactory.createRealParameter(s.getXY()));
} else {*/
if (s.getX() != null) {
setX(SeParameterFactory.createRealParameter(s.getX()));
}
if (s.getY() != null) {
setY(SeParameterFactory.createRealParameter(s.getY()));
}
//}
}
/**
* Get the horizontal multiplication factor.
* @return
* A {@code RealParameter} in a {@link RealParameterContext#REAL_CONTEXT}.
*/
public RealParameter getX() {
return x;
}
/**
* Set the horizontal multiplication factor.
* @param x
* A {@code RealParameter} that is placed by this method in a
* {@link RealParameterContext#REAL_CONTEXT}.
*/
public void setX(RealParameter x) {
this.x = x;
if (this.x != null) {
this.x.setContext(RealParameterContext.REAL_CONTEXT);
this.x.setParent(this);
}
}
/**
* Get the vertical multiplication factor.
* @return
* A {@code RealParameter} in a {@link RealParameterContext#REAL_CONTEXT}.
*/
public RealParameter getY() {
return y;
}
/**
* Set the vertical multiplication factor.
* @param y
* A {@code RealParameter} that is placed by this method in a
* {@link RealParameterContext#REAL_CONTEXT}.
*/
public void setY(RealParameter y) {
this.y = y;
if (this.y != null) {
this.y.setContext(RealParameterContext.REAL_CONTEXT);
this.y.setParent(this);
}
}
@Override
public boolean allowedForGeometries() {
return false;
}
@Override
public List<SymbolizerNode> getChildren() {
List<SymbolizerNode> ls = new ArrayList<SymbolizerNode>();
if (x != null) {
ls.add(x);
}
if (y != null) {
ls.add(y);
}
return ls;
}
@Override
public AffineTransform getAffineTransform(Map<String,Object> map, Uom uom,
MapTransform mt, Double width, Double height) throws ParameterException {
double sx = 1.0;
if (x != null) {
//sx = Uom.toPixel(x.getValue(feat), uom, mt.getDpi(), mt.getScaleDenominator(), null);
sx = x.getValue(map);
}
double sy = 1.0;
if (y != null) {
//sy = Uom.toPixel(y.getValue(feat), uom, mt.getDpi(), mt.getScaleDenominator(), null);
sy = y.getValue(map);
}
//AffineTransform.getTranslateInstance(A;, sy);
return AffineTransform.getScaleInstance(sx, sy);
}
@Override
public JAXBElement<?> getJAXBElement() {
ScaleType s = this.getJAXBType();
ObjectFactory of = new ObjectFactory();
return of.createScale(s);
}
@Override
public ScaleType getJAXBType() {
ScaleType s = new ScaleType();
if (x != null) {
s.setX(x.getJAXBParameterValueType());
}
if (y != null) {
s.setY(y.getJAXBParameterValueType());
}
return s;
}
@Override
public String toString() {
return "Scale";
}
}