net.sf.jasperreports.engine.util.JRJdk14ImageEncoder Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, 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.engine.util;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.type.ImageTypeEnum;
/**
* @author Teodor Danciu ([email protected])
*/
public class JRJdk14ImageEncoder extends JRAbstractImageEncoder
{
public static final String EXCEPTION_MESSAGE_KEY_IMAGE_WRITER_NOT_FOUND = "util.jdk14.image.writer.not.found";
@Override
public byte[] encode(BufferedImage bi, ImageTypeEnum imageType) throws JRException
{
String formatName = null;
switch (imageType)
{
case GIF :
{
formatName = "gif";
break;
}
case PNG :
{
formatName = "png";
break;
}
case TIFF :
{
formatName = "tiff";
break;
}
case JPEG :
case UNKNOWN :
default:
{
formatName = "jpeg";
break;
}
}
boolean success = false;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try
{
success = ImageIO.write(bi, formatName, baos);
}
catch (IOException e)
{
throw new JRException(e);
}
if (!success)
{
throw
new JRException(
EXCEPTION_MESSAGE_KEY_IMAGE_WRITER_NOT_FOUND,
new Object[]{formatName});
}
return baos.toByteArray();
}
}
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