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Free Java Reporting Library
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/*
* 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 .
*/
/*
* Contributors:
* Eugene D - [email protected]
* Adrian Jackson - [email protected]
* David Taylor - [email protected]
* Lars Kristensen - [email protected]
*/
package net.sf.jasperreports.engine.export.draw;
import java.awt.BasicStroke;
import java.awt.Graphics2D;
import java.awt.Stroke;
import net.sf.jasperreports.engine.JRPrintLine;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.type.LineDirectionEnum;
import net.sf.jasperreports.engine.type.LineStyleEnum;
import net.sf.jasperreports.engine.util.JRPenUtil;
/**
* @author Teodor Danciu ([email protected])
*/
public class LineDrawer extends ElementDrawer
{
/**
*
*/
public LineDrawer(JasperReportsContext jasperReportsContext)
{
super(jasperReportsContext);
}
@Override
public void draw(Graphics2D grx, JRPrintLine line, int offsetX, int offsetY)
{
grx.setColor(line.getLinePen().getLineColor());
Stroke stroke = JRPenUtil.getStroke(line.getLinePen(), BasicStroke.CAP_BUTT);
if (stroke != null)
{
grx.setStroke(stroke);
float lineWidth = line.getLinePen().getLineWidth();
if (line.getWidth() == 1)
{
if (line.getHeight() != 1)
{
//Vertical line
if (line.getLinePen().getLineStyleValue() ==LineStyleEnum.DOUBLE)
{
grx.translate(0.5 - lineWidth / 3, 0);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX,
line.getY() + offsetY + line.getHeight()
);
grx.translate(2 * lineWidth / 3, 0);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX,
line.getY() + offsetY + line.getHeight()
);
grx.translate(-0.5 - lineWidth / 3, 0);
}
else
{
grx.translate(0.5, 0);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX,
line.getY() + offsetY + line.getHeight()
);
grx.translate(-0.5, 0);
}
}
}
else
{
if (line.getHeight() == 1)
{
//Horizontal line
if (line.getLinePen().getLineStyleValue() == LineStyleEnum.DOUBLE)
{
grx.translate(0, 0.5 - lineWidth / 3);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY
);
grx.translate(0, 2 * lineWidth / 3);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY
);
grx.translate(0, -0.5 - lineWidth / 3);
}
else
{
grx.translate(0, 0.5);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY
);
grx.translate(0, -0.5);
}
}
else
{
//Oblique line
if (line.getDirectionValue() == LineDirectionEnum.TOP_DOWN)
{
if (line.getLinePen().getLineStyleValue() == LineStyleEnum.DOUBLE)
{
double xtrans = lineWidth / (3 * Math.sqrt(1 + Math.pow(line.getWidth(), 2) / Math.pow(line.getHeight(), 2)));
double ytrans = lineWidth / (3 * Math.sqrt(1 + Math.pow(line.getHeight(), 2) / Math.pow(line.getWidth(), 2)));
grx.translate(xtrans, -ytrans);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY + line.getHeight()
);
grx.translate(-2 * xtrans, 2 * ytrans);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY + line.getHeight()
);
grx.translate(xtrans, -ytrans);
}
else
{
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY,
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY + line.getHeight()
);
}
}
else
{
if (line.getLinePen().getLineStyleValue() == LineStyleEnum.DOUBLE)
{
double xtrans = lineWidth / (3 * Math.sqrt(1 + Math.pow(line.getWidth(), 2) / Math.pow(line.getHeight(), 2)));
double ytrans = lineWidth / (3 * Math.sqrt(1 + Math.pow(line.getHeight(), 2) / Math.pow(line.getWidth(), 2)));
grx.translate(-xtrans, -ytrans);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY + line.getHeight(),
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY
);
grx.translate(2 * xtrans, 2 * ytrans);
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY + line.getHeight(),
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY
);
grx.translate(-xtrans, -ytrans);
}
else
{
grx.drawLine(
line.getX() + offsetX,
line.getY() + offsetY + line.getHeight(),
line.getX() + offsetX + line.getWidth(),
line.getY() + offsetY
);
}
}
}
}
}
}
}