/*
* 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 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.misc.survey;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.font.FontRenderContext;
import java.awt.font.LineMetrics;
import java.awt.geom.Rectangle2D;
/**
* A Drawable object that represents a legend item for a {@link SurveyScale}.
*/
public class SurveyScaleLegendItem
{
/**
* The shape.
*/
private Shape shape;
/**
* The label.
*/
private String label;
/**
* Draw the shape?
*/
private boolean draw;
/**
* Fill the shape?
*/
private boolean fill;
/**
* The label font.
*/
private Font font;
public SurveyScaleLegendItem()
{
font = new Font("Serif", Font.ITALIC, 10); //$NON-NLS-1$
}
/**
* Creates a new legend item.
*
* @param shape the shape.
* @param label the label.
* @param draw draw the shape?
* @param fill fill the shape?
*/
public SurveyScaleLegendItem(final Shape shape,
final String label,
final boolean draw,
final boolean fill)
{
this.shape = shape;
this.label = label;
this.draw = draw;
this.fill = fill;
}
/**
* Draws the legend item.
*
* @param g2 the graphic device.
* @param area the area.
*/
public void draw(final Graphics2D g2, final Rectangle2D area)
{
if (shape == null || font == null || label == null)
{
return;
}
if (draw == false && fill == false)
{
return;
}
final Rectangle2D b = this.shape.getBounds2D();
double x = area.getMinX() + b.getWidth() / 2.0 + 1.0;
final double y = area.getCenterY();
final Shape s = getShape();
g2.translate(x, y);
g2.setPaint(Color.black);
if (this.draw)
{
g2.setStroke(new BasicStroke(0.5f));
g2.draw(s);
}
if (this.fill)
{
g2.fill(s);
}
g2.translate(-x, -y);
x += b.getWidth() / 2.0 + 3.0;
g2.setFont(this.font);
final FontRenderContext frc = g2.getFontRenderContext();
final Font f = g2.getFont();
// final FontMetrics fm = g2.getFontMetrics(f);
final LineMetrics metrics = f.getLineMetrics(label, frc);
final float ascent = metrics.getAscent();
final float halfAscent = ascent / 2.0f;
g2.drawString(label, (float) x, (float) (y + halfAscent));
}
public boolean isDraw()
{
return draw;
}
public void setDraw(final boolean draw)
{
this.draw = draw;
}
public boolean isFill()
{
return fill;
}
public void setFill(final boolean fill)
{
this.fill = fill;
}
public Font getFont()
{
return font;
}
public void setFont(final Font font)
{
this.font = font;
}
public String getLabel()
{
return label;
}
public void setLabel(final String label)
{
this.label = label;
}
public Shape getShape()
{
return shape;
}
public void setShape(final Shape shape)
{
this.shape = shape;
}
}