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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.engine;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.Dimension2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import net.sf.jasperreports.engine.type.ImageTypeEnum;
import net.sf.jasperreports.engine.util.JRImageLoader;
import net.sf.jasperreports.renderers.AbstractRenderToImageDataRenderer;
/**
* @author Teodor Danciu ([email protected])
* @deprecated Replaced by {@link AbstractRenderToImageDataRenderer}.
*/
public abstract class JRAbstractSvgRenderer extends JRAbstractRenderer
{
/**
*
*/
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String EXCEPTION_MESSAGE_KEY_DIMENSION_MUST_OVERRIDE = "engine.renderable.svg.dimension.must.override";
public static final String EXCEPTION_MESSAGE_KEY_DIMENSION_NULL_NOT_ALLOWED = "engine.renderable.svg.dimension.null.not.allowed";
/**
* @deprecated Replaced by {@link #getTypeValue()}.
*/
@Override
public byte getType()
{
return getTypeValue().getValue();
}
/**
* @deprecated Replaced by {@link #getImageTypeValue()}.
*/
@Override
public byte getImageType()
{
return getImageTypeValue().getValue();
}
@Override
public net.sf.jasperreports.engine.type.RenderableTypeEnum getTypeValue()
{
return net.sf.jasperreports.engine.type.RenderableTypeEnum.SVG;
}
@Override
public ImageTypeEnum getImageTypeValue()
{
return ImageTypeEnum.PNG;
}
@Override
public Dimension2D getDimension(JasperReportsContext jasperReportsContext) throws JRException
{
throw
new JRException(
EXCEPTION_MESSAGE_KEY_DIMENSION_MUST_OVERRIDE,
new Object[]{this.getClass().getName()}
);
}
/**
* @deprecated Replaced by {@link #getDimension(JasperReportsContext)}.
*/
@Override
public Dimension2D getDimension() throws JRException
{
return getDimension(DefaultJasperReportsContext.getInstance());
}
/**
*
*/
public Color getBackcolor()
{
return null;
}
/**
* @deprecated Replaced by {@link #getImageData(JasperReportsContext)}.
*/
@Override
public byte[] getImageData() throws JRException
{
return getImageData(DefaultJasperReportsContext.getInstance());
}
/**
* @deprecated Replaced by {@link #render(JasperReportsContext, Graphics2D, Rectangle2D)}.
*/
@Override
public void render(Graphics2D grx, Rectangle2D rectangle) throws JRException
{
render(DefaultJasperReportsContext.getInstance(), grx, rectangle);
}
@Override
public byte[] getImageData(JasperReportsContext jasperReportsContext) throws JRException
{
Dimension2D dimension = getDimension(jasperReportsContext);
if (dimension == null)
{
throw
new JRException(
EXCEPTION_MESSAGE_KEY_DIMENSION_NULL_NOT_ALLOWED,
(Object[])null
);
}
int dpi = getImageDataDPI(jasperReportsContext);
double scale = dpi/72d;
ImageTypeEnum imageType = getImageTypeValue();
BufferedImage bi =
new BufferedImage(
(int) (scale * dimension.getWidth()),
(int) (scale * dimension.getHeight()),
// avoid creating JPEG images with transparency that would result
// in invalid image files for some viewers (browsers)
(imageType == ImageTypeEnum.GIF || imageType == ImageTypeEnum.PNG)
? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB
);
Graphics2D g = createGraphics(bi);
try
{
g.scale(scale, scale);
Color backcolor = getBackcolor();
if (backcolor != null)
{
g.setColor(backcolor);
g.fillRect(0, 0, (int)dimension.getWidth(), (int)dimension.getHeight());
}
render(jasperReportsContext, g, new Rectangle((int)dimension.getWidth(), (int)dimension.getHeight()));
}
finally
{
g.dispose();
}
return JRImageLoader.getInstance(jasperReportsContext).loadBytesFromAwtImage(bi, getImageTypeValue());
}
protected int getImageDataDPI(JasperReportsContext jasperReportsContext)
{
return JRPropertiesUtil.getInstance(jasperReportsContext).getIntegerProperty(PROPERTY_IMAGE_DPI, 72);
}
protected Graphics2D createGraphics(BufferedImage bi)
{
return bi.createGraphics();
}
}