/*
* 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 - 2013 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.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 );
static final Color ALPHA = new Color( 255, 255, 255, 0 );
private Barcode barcode;
private Dimension preferredSize;
private boolean scale;
private boolean keepAspectRatio;
public BarcodeWrapper( final Barcode barcode ) {
if ( barcode == null ) {
throw new IllegalArgumentException( "Barcode to wrap must not be null" );
}
this.barcode = barcode;
}
public Barcode getBarcode() {
return 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 );
if ( scale ) {
final Dimension size = barcode.getPreferredSize();
final double horzScale = bounds.getWidth() / size.getWidth();
final double vertScale = bounds.getHeight() / size.getHeight();
if ( keepAspectRatio ) {
final double scale = Math.min( horzScale, vertScale );
gr2.scale( scale, scale );
} else {
gr2.scale( horzScale, vertScale );
}
}
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 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 );
}
scale = style.getBooleanStyleProperty( ElementStyleKeys.SCALE );
keepAspectRatio = style.getBooleanStyleProperty( ElementStyleKeys.KEEP_ASPECT_RATIO );
}
}
/**
* 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;
}
}