Package org.openscience.jchempaint.renderer.generators

Source Code of org.openscience.jchempaint.renderer.generators.AtomContainerTitleGenerator

/* $Revision: $ $Author:  $ $Date$
*
* Copyright (C) 2008  Arvid Berg <goglepox@users.sf.net>
*
* Contact: cdk-devel@lists.sourceforge.net
*
* 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 2.1
* of the License, or (at your option) any later version.
* All I ask is that proper credit is given for my work, which includes
* - but is not limited to - adding the above copyright notice to the beginning
* of your source code files, and to any copyright notice that you may distribute
* with programs based on this work.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.openscience.jchempaint.renderer.generators;

import java.awt.Color;
import java.awt.geom.Rectangle2D;
import java.util.List;

import org.openscience.cdk.CDKConstants;
import org.openscience.cdk.interfaces.IAtomContainer;
import org.openscience.cdk.renderer.RendererModel;
import org.openscience.cdk.renderer.generators.IGenerator;
import org.openscience.cdk.renderer.generators.IGeneratorParameter;
import org.openscience.jchempaint.renderer.JChemPaintRendererModel;
import org.openscience.jchempaint.renderer.Renderer;
import org.openscience.cdk.renderer.elements.ElementGroup;
import org.openscience.cdk.renderer.elements.IRenderingElement;
import org.openscience.jchempaint.renderer.elements.TextElement;

/**
* @cdk.module rendercontrol
*/
public class AtomContainerTitleGenerator implements IGenerator<IAtomContainer> {

    public AtomContainerTitleGenerator() {}

    public IRenderingElement generate(IAtomContainer ac, RendererModel model) {

        JChemPaintRendererModel jcpModel = (JChemPaintRendererModel) model;
       
        if(ac==null ||ac.getProperty(CDKConstants.TITLE)==null|| (ac.getAtomCount()==0 && ac.getBondCount()==0))
          return null;
       
        double d = jcpModel.getBondLength() / jcpModel.getScale()/2;
        Rectangle2D totalBounds = Renderer.calculateBounds(ac);
       
        ElementGroup diagram = new ElementGroup();
        double minX = totalBounds.getMinX();
        double minY = totalBounds.getMinY();
        double maxX = totalBounds.getMaxX();
        double maxY = totalBounds.getMaxY();
        Color c = Color.GRAY;
        diagram.add(new TextElement(
                        (minX+maxX)/2, minY-d, (String)ac.getProperty(CDKConstants.TITLE), c,0.8));
        return diagram;
    }
   
    public List<IGeneratorParameter<?>> getParameters() {
        // TODO Auto-generated method stub
        return null;
    }
}
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