/*
* Copyright 2006 - 2013
* Stefan Balev <stefan.balev@graphstream-project.org>
* Julien Baudry <julien.baudry@graphstream-project.org>
* Antoine Dutot <antoine.dutot@graphstream-project.org>
* Yoann Pigné <yoann.pigne@graphstream-project.org>
* Guilhelm Savin <guilhelm.savin@graphstream-project.org>
*
* This file is part of GraphStream <http://graphstream-project.org>.
*
* GraphStream is a library whose purpose is to handle static or dynamic
* graph, create them from scratch, file or any source and display them.
*
* This program is free software distributed under the terms of two licenses, the
* CeCILL-C license that fits European law, and the GNU Lesser General Public
* License. You can use, modify and/ or redistribute the software under the terms
* of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
* URL <http://www.cecill.info> or under the terms of the GNU LGPL 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/>.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
*/
package org.graphstream.ui.swingViewer.basicRenderer;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Point2D;
import org.graphstream.ui.graphicGraph.GraphicElement;
import org.graphstream.ui.graphicGraph.GraphicSprite;
import org.graphstream.ui.graphicGraph.StyleGroup;
import org.graphstream.ui.graphicGraph.stylesheet.StyleConstants;
import org.graphstream.ui.graphicGraph.stylesheet.Values;
import org.graphstream.ui.graphicGraph.stylesheet.StyleConstants.FillMode;
import org.graphstream.ui.graphicGraph.stylesheet.StyleConstants.SizeMode;
import org.graphstream.ui.view.Camera;
import org.graphstream.ui.swingViewer.util.DefaultCamera;
import org.graphstream.ui.swingViewer.util.GraphMetrics;
public class SpriteRenderer extends ElementRenderer {
protected GraphMetrics metrics;
protected Values size;
protected Ellipse2D shape;
protected double width, height, w2, h2;
@Override
protected void setupRenderingPass(StyleGroup group, Graphics2D g,
Camera camera) {
metrics = camera.getMetrics();
configureText(group, camera);
}
@Override
protected void pushDynStyle(StyleGroup group, Graphics2D g, Camera camera,
GraphicElement element) {
Color color = group.getFillColor(0);
if (element != null && group.getFillMode() == FillMode.DYN_PLAIN)
color = interpolateColor(group, element);
g.setColor(color);
if (group.getSizeMode() == SizeMode.DYN_SIZE) {
width = metrics.lengthToGu(StyleConstants.convertValue(element
.getAttribute("ui.size")));
height = width;
w2 = width / 2;
h2 = height / 2;
}
}
@Override
protected void pushStyle(StyleGroup group, Graphics2D g, Camera camera) {
size = group.getSize();
shape = new Ellipse2D.Double();
width = metrics.lengthToGu(size, 0);
height = size.size() > 1 ? metrics.lengthToGu(size, 1) : width;
w2 = width / 2;
h2 = height / 2;
Color color = group.getFillColor(0);
g.setColor(color);
}
@Override
protected void elementInvisible(StyleGroup group, Graphics2D g,
Camera camera, GraphicElement element) {
}
@Override
protected void renderElement(StyleGroup group, Graphics2D g, Camera camera,
GraphicElement element) {
GraphicSprite sprite = (GraphicSprite) element;
Point2D.Double pos = ((DefaultCamera) camera).getSpritePosition(sprite,
new Point2D.Double(), StyleConstants.Units.GU);
shape.setFrame(pos.x - w2, pos.y - h2, width, height);
g.fill(shape);
renderText(group, g, camera, element);
}
}