EllipseDrawer.java :  » Report » jasperreports-3.7.2 » net » sf » jasperreports » engine » export » draw » Java Open Source

/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports 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.
 *
 * JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
 */

/*
 * Contributors:
 * Eugene D - eugenedruy@users.sourceforge.net 
 * Adrian Jackson - iapetus@users.sourceforge.net
 * David Taylor - exodussystems@users.sourceforge.net
 * Lars Kristensen - llk@users.sourceforge.net
 */
package net.sf.jasperreports.engine.export.draw;

import java.awt.BasicStroke;
import java.awt.Graphics2D;
import java.awt.Stroke;
import java.awt.geom.AffineTransform;

import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRPrintEllipse;
import net.sf.jasperreports.engine.export.legacy.BorderOffset;
import net.sf.jasperreports.engine.type.LineStyleEnum;
import net.sf.jasperreports.engine.type.ModeEnum;
import net.sf.jasperreports.engine.util.JRPenUtil;


/**
 * @author Teodor Danciu (teodord@users.sourceforge.net)
 * @version $Id: EllipseDrawer.java 3467 2010-02-23 13:11:13Z teodord $
 */
public class EllipseDrawer extends ElementDrawer
{

  /**
   *
   */
  public void draw(Graphics2D grx, JRPrintElement element, int offsetX, int offsetY)
  {
    JRPrintEllipse ellipse = (JRPrintEllipse)element;
    
    int width = ellipse.getWidth();
    int height = ellipse.getHeight();
    
    if (ellipse.getModeValue() == ModeEnum.OPAQUE)
    {
      grx.setColor(ellipse.getBackcolor());
      grx.fillOval(
        ellipse.getX() + offsetX, 
        ellipse.getY() + offsetY, 
        width,
        height
        );
    }

    grx.setColor(ellipse.getLinePen().getLineColor());

    Stroke stroke = JRPenUtil.getStroke(ellipse.getLinePen(), BasicStroke.CAP_SQUARE);

    if (stroke != null)
    {
      grx.setStroke(stroke);
      
      AffineTransform oldTx = grx.getTransform();

      if (ellipse.getLinePen().getLineStyleValue() == LineStyleEnum.DOUBLE)
      {
        float lineWidth = ellipse.getLinePen().getLineWidth().floatValue();
        
        grx.translate(
          ellipse.getX() + offsetX - lineWidth / 3, 
          ellipse.getY() + offsetY - lineWidth / 3
          );
        grx.scale(
          (width + 2 * lineWidth / 3) 
            / width, 
          (height + 2 * lineWidth / 3) 
            / height 
          );
        grx.drawOval(
          0, 
          0, 
          width,
          height
          );
        
        grx.setTransform(oldTx);

        grx.translate(
          ellipse.getX() + offsetX + lineWidth / 3, 
          ellipse.getY() + offsetY + lineWidth / 3
          );
        if (width > 2 * lineWidth / 3)
        {
          grx.scale(
            (width - 2 * lineWidth / 3) 
              / width, 
            1 
            );
        }
        if (height > 2 * lineWidth / 3)
        {
          grx.scale(
            1, 
            (height - 2 * lineWidth / 3) 
              / height 
            );
        }
        grx.drawOval(
          0, 
          0, 
          width,
          height
          );
      }
      else
      {
        float lineOffset = BorderOffset.getOffset(ellipse.getLinePen());
        
        grx.translate(
          ellipse.getX() + offsetX + lineOffset, 
          ellipse.getY() + offsetY + lineOffset
          );
        if (width > 2 * lineOffset)
        {
          grx.scale(
            (width - 2 * lineOffset) 
              / width, 
            1 
            );
        }
        if (height > 2 * lineOffset)
        {
          grx.scale(
            1, 
            (height - 2 * lineOffset) 
              / height 
            );
        }
        grx.drawOval(
          0, 
          0, 
          width,
          height
          );
      }

      grx.setTransform(oldTx);
    }
  }


}