net.sf.jasperreports.components.barcode4j.QRCodeRasterizedImageProducer Maven / Gradle / Ivy
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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. 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 .
*/
package net.sf.jasperreports.components.barcode4j;
import java.awt.Color;
import java.awt.image.BufferedImage;
import java.util.HashMap;
import java.util.Map;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import net.sf.jasperreports.engine.JRComponentElement;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPropertiesUtil;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.type.ImageTypeEnum;
import net.sf.jasperreports.engine.type.OnErrorTypeEnum;
import net.sf.jasperreports.engine.util.JRColorUtil;
import net.sf.jasperreports.renderers.Renderable;
import net.sf.jasperreports.renderers.util.RendererUtil;
/**
*
* @author Teodor Danciu ([email protected])
*/
public class QRCodeRasterizedImageProducer implements QRCodeImageProducer
{
@Override
public Renderable createImage(
JasperReportsContext jasperReportsContext,
JRComponentElement componentElement,
QRCodeBean qrCodeBean,
String message
)
{
QRCodeWriter writer = new QRCodeWriter();
Map hints = new HashMap();
String encoding = JRPropertiesUtil.getInstance(jasperReportsContext).getProperty(
componentElement, QRCodeComponent.PROPERTY_QRCODE_CHARACTER_ENCODING, QRCodeComponent.PROPERTY_DEFAULT_ENCODING);
if (!encoding.isEmpty())
{
hints.put(EncodeHintType.CHARACTER_SET, encoding);
}
hints.put(EncodeHintType.ERROR_CORRECTION, qrCodeBean.getErrorCorrectionLevel().getErrorCorrectionLevel());
int margin = qrCodeBean.getMargin() == null ? QRCodeSVGImageProducer.DEFAULT_MARGIN : qrCodeBean.getMargin();
hints.put(EncodeHintType.MARGIN, margin);
Integer qrVersion = qrCodeBean.getQrVersion();
if(qrVersion != null)
{
hints.put(EncodeHintType.QR_VERSION, qrVersion);
}
int resolution = JRPropertiesUtil.getInstance(jasperReportsContext).getIntegerProperty(
componentElement, BarcodeRasterizedImageProducer.PROPERTY_RESOLUTION, 300);
try
{
BitMatrix matrix =
writer.encode(
message,
BarcodeFormat.QR_CODE,
// (int)((72f / 2.54f) * componentElement.getWidth()),
// (int)((72f / 2.54f) * componentElement.getHeight()),
(int)((resolution / 72f) * componentElement.getWidth()),
(int)((resolution / 72f) * componentElement.getHeight()),
hints
);
BufferedImage image = getImage(matrix, componentElement.getForecolor());
return RendererUtil.getInstance(jasperReportsContext).getRenderable(image, ImageTypeEnum.PNG, OnErrorTypeEnum.ERROR);
}
catch (WriterException e)
{
throw new JRRuntimeException(e);
}
catch (JRException e)
{
throw new JRRuntimeException(e);
}
}
public BufferedImage getImage(BitMatrix matrix, Color onColor)
{
int width = matrix.getWidth();
int height = matrix.getHeight();
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
int onArgb = JRColorUtil.getOpaqueArgb(onColor, Color.BLACK);//not actually opaque
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
if (matrix.get(x, y))
{
image.setRGB(x, y, onArgb);
}
}
}
return image;
}
}