Package net.sf.jasperreports.engine.util

Source Code of net.sf.jasperreports.engine.util.JRPenUtil

/*
* 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/>.
*/
package net.sf.jasperreports.engine.util;

import java.awt.BasicStroke;
import java.awt.Stroke;

import net.sf.jasperreports.engine.JRPen;
import net.sf.jasperreports.engine.type.LineStyleEnum;
import net.sf.jasperreports.engine.type.PenEnum;


/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRPenUtil.java 3712 2010-04-08 09:53:09Z teodord $
*/
public final class JRPenUtil
{

  /**
   * @deprecated Replaced by {@link #setLinePenFromPen(PenEnum, JRPen)}.
   */
  public static void setLinePenFromPen(byte pen, JRPen linePen)
  {
    setLinePenFromPen(PenEnum.getByValue(pen), linePen);
  }
 
  /**
   *
   */
  public static void setLinePenFromPen(Byte pen, JRPen linePen)
  {
    setLinePenFromPen(PenEnum.getByValue(pen), linePen);
  }

  /**
   *
   */
  public static void setLinePenFromPen(PenEnum pen, JRPen linePen)
  {
    if (pen != null)
    {
      switch (pen)
      {
        case THIN :
        {
          linePen.setLineWidth(0.5f);
          linePen.setLineStyle(LineStyleEnum.SOLID);
          break;
        }
        case ONE_POINT :
        {
          linePen.setLineWidth(1f);
          linePen.setLineStyle(LineStyleEnum.SOLID);
          break;
        }
        case TWO_POINT :
        {
          linePen.setLineWidth(2f);
          linePen.setLineStyle(LineStyleEnum.SOLID);
          break;
        }
        case FOUR_POINT :
        {
          linePen.setLineWidth(4f);
          linePen.setLineStyle(LineStyleEnum.SOLID);
          break;
        }
        case DOTTED :
        {
          linePen.setLineWidth(1f);
          linePen.setLineStyle(LineStyleEnum.DASHED);
          break;
        }
        case NONE :
        {
          linePen.setLineWidth(0f);
          linePen.setLineStyle(LineStyleEnum.SOLID);
          break;
        }
      }
    }
  }

  /**
   *
   */
  public static byte getPenFromLinePen(JRPen linePen)
  {
    float lineWidth = linePen.getLineWidth().floatValue();
    if (lineWidth <= 0f)
    {
      return PenEnum.NONE.getValue();
    }
    else if (0f < lineWidth && lineWidth < 1f)
    {
      return PenEnum.THIN.getValue();
    }
    else if (1f <= lineWidth && lineWidth < 2f)
    {
      if (linePen.getLineStyleValue() == LineStyleEnum.DASHED)
      {
        return PenEnum.DOTTED.getValue();
      }
      else
      {
        return PenEnum.ONE_POINT.getValue();
      }
    }
    else if (2f <= lineWidth && lineWidth < 4f)
    {
      return PenEnum.TWO_POINT.getValue();
    }

    return PenEnum.FOUR_POINT.getValue();
  }

  /**
   *
   */
  public static Byte getOwnPenFromLinePen(JRPen linePen)
  {
    if (linePen.getOwnLineWidth() == null && linePen.getOwnLineStyleValue() == null)
    {
      return null;
    }
   
    return new Byte(getPenFromLinePen(linePen));
  }

  /**
   *
   */
  public static Stroke getStroke(JRPen pen, int lineCap)
  {
    float lineWidth = pen.getLineWidth().floatValue();
   
    if (lineWidth > 0f)
    {
      LineStyleEnum lineStyle = pen.getLineStyleValue();
     
      switch (lineStyle)
      {
        case DOUBLE :
        {
          return
            new BasicStroke(
              lineWidth / 3,
              lineCap,
              BasicStroke.JOIN_MITER
              );
        }
        case DOTTED :
        {
          switch (lineCap)
          {
            case BasicStroke.CAP_SQUARE :
            {
              return
                new BasicStroke(
                  lineWidth,
                  lineCap,
                  BasicStroke.JOIN_MITER,
                  10f,
                  new float[]{0, 2 * lineWidth},
                  0f
                  );
            }
            case BasicStroke.CAP_BUTT :
            {
              return
                new BasicStroke(
                  lineWidth,
                  lineCap,
                  BasicStroke.JOIN_MITER,
                  10f,
                  new float[]{lineWidth, lineWidth},
                  0f
                  );
            }
          }
        }
        case DASHED :
        {
          switch (lineCap)
          {
            case BasicStroke.CAP_SQUARE :
            {
              return
                new BasicStroke(
                  lineWidth,
                  lineCap,
                  BasicStroke.JOIN_MITER,
                  10f,
                  new float[]{4 * lineWidth, 4 * lineWidth},
                  0f
                  );
            }
            case BasicStroke.CAP_BUTT :
            {
              return
                new BasicStroke(
                  lineWidth,
                  lineCap,
                  BasicStroke.JOIN_MITER,
                  10f,
                  new float[]{5 * lineWidth, 3 * lineWidth},
                  0f
                  );
            }
          }
        }
        case SOLID :
        default :
        {
          return
            new BasicStroke(
              lineWidth,
              lineCap,
              BasicStroke.JOIN_MITER
              );
        }
      }
    }
   
    return null;
  }
 
 
  private JRPenUtil()
  {
  }
}
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