/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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.
*
* Copyright (c) 2001 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.modules.sbarcodes;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import net.sourceforge.barbecue.Barcode;
import net.sourceforge.barbecue.output.OutputException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.ResourceBundleFactory;
import org.pentaho.reporting.engine.classic.core.imagemap.ImageMap;
import org.pentaho.reporting.engine.classic.core.layout.LayoutSupport;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleKeys;
import org.pentaho.reporting.engine.classic.core.style.StyleSheet;
import org.pentaho.reporting.engine.classic.core.style.TextStyleKeys;
import org.pentaho.reporting.engine.classic.core.util.ReportDrawable;
import org.pentaho.reporting.libraries.base.config.Configuration;
/**
* This class is used to wrap a <i>barbecue</i> barcode element in order to offer the method {@link
* BarcodeWrapper#draw(java.awt.Graphics2D, java.awt.geom.Rectangle2D)} which is requested by the reporting engine for
* automatic support using <i>drawable-field</i>s.
*/
public class BarcodeWrapper implements ReportDrawable
{
private static final Log logger = LogFactory.getLog(BarcodeWrapper.class);
private static final Color ALPHA = new Color(255, 255, 255, 0);
private Barcode barcode;
private Dimension preferredSize;
public BarcodeWrapper(final Barcode barcode)
{
if (barcode == null)
{
throw new IllegalArgumentException("Barcode to wrap must not be null");
}
this.barcode = barcode;
}
public boolean isPreserveAspectRatio()
{
return true;
}
public Dimension getPreferredSize()
{
if (preferredSize == null)
{
preferredSize = barcode.getSize();
}
return preferredSize;
}
public void draw(final Graphics2D g2, final Rectangle2D bounds)
{
final Graphics2D gr2 = (Graphics2D) g2.create();
try
{
gr2.clip(bounds);
barcode.draw(gr2, (int) bounds.getX(), (int) bounds.getY());
}
catch (OutputException e)
{
logger.error("Unable to draw barcode element", e);
}
finally
{
gr2.dispose();
}
}
/**
* Provides the Layout-Support of the current report processor to the drawable. The layout-support can be used to
* compute text-layouts.
*
* @param layoutSupport the layout support.
* @deprecated This method will be removed. If you need to do layouting, use the Graphics2D context. It should be more
* accurate than what we supply here.
*/
public void setLayoutSupport(final LayoutSupport layoutSupport)
{
}
/**
* Provides the current report configuration of the current report process to the drawable. The report configuration
* can be used to configure the drawing process through the report.
*
* @param config the report configuration.
*/
public void setConfiguration(final Configuration config)
{
}
/**
* Provides the computed stylesheet of the report element that contained this drawable. The stylesheet is immutable.
*
* @param style the stylesheet.
*/
public void setStyleSheet(final StyleSheet style)
{
if (style != null)
{
final String fontName = (String) style.getStyleProperty(TextStyleKeys.FONT);
final int fontSize = style.getIntStyleProperty(TextStyleKeys.FONTSIZE, 0);
final boolean bold = style.getBooleanStyleProperty(TextStyleKeys.BOLD);
final boolean italics = style.getBooleanStyleProperty(TextStyleKeys.ITALIC);
final Color foregroundColor = (Color) style.getStyleProperty(ElementStyleKeys.PAINT);
final Color backgroundColor = (Color) style.getStyleProperty(ElementStyleKeys.BACKGROUND_COLOR);
if (fontName != null && fontSize > 0)
{
int fontstyle = Font.PLAIN;
if (bold)
{
fontstyle |= Font.BOLD;
}
if (italics)
{
fontstyle |= Font.ITALIC;
}
barcode.setFont(new Font(fontName, fontstyle, fontSize));
}
if (foregroundColor != null)
{
barcode.setForeground(foregroundColor);
}
if (backgroundColor != null)
{
barcode.setBackground(backgroundColor);
barcode.setOpaque(backgroundColor.getAlpha() == 255);
}
else
{
barcode.setBackground(ALPHA);
barcode.setOpaque(false);
}
}
}
/**
* Defines the resource-bundle factory that can be used to localize the drawing process.
*
* @param bundleFactory the resource-bundle factory.
*/
public void setResourceBundleFactory(final ResourceBundleFactory bundleFactory)
{
}
/**
* Returns an optional image-map for the entry.
*
* @param bounds the bounds for which the image map is computed.
* @return the computed image-map or null if there is no image-map available.
*/
public ImageMap getImageMap(final Rectangle2D bounds)
{
return null;
}
}