/***********************************************************************************************
* File Info: $Id: BackgroundRenderer.java,v 1.1 2003/05/17 16:56:18 nathaniel_auvil Exp $
* Copyright (C) 2002
* Author: Nathaniel G. Auvil
* Contributor(s):
*
* Copyright 2002 (C) Nathaniel G. Auvil. All Rights Reserved.
*
* Redistribution and use of this software and associated documentation ("Software"), with or
* without modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and notices.
* Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. The name "jCharts" or "Nathaniel G. Auvil" must not be used to endorse or promote
* products derived from this Software without prior written permission of Nathaniel G.
* Auvil. For written permission, please contact nathaniel_auvil@users.sourceforge.net
*
* 4. Products derived from this Software may not be called "jCharts" nor may "jCharts" appear
* in their names without prior written permission of Nathaniel G. Auvil. jCharts is a
* registered trademark of Nathaniel G. Auvil.
*
* 5. Due credit should be given to the jCharts Project (http://jcharts.sourceforge.net/).
*
* THIS SOFTWARE IS PROVIDED BY Nathaniel G. Auvil AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* jCharts OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
************************************************************************************************/
package org.krysalis.jcharts.axisChart.customRenderers.axisValue.renderers;
import org.krysalis.jcharts.axisChart.customRenderers.axisValue.AxisValueRenderEvent;
import org.krysalis.jcharts.axisChart.customRenderers.axisValue.PreAxisValueRenderListener;
import java.awt.*;
public class BackgroundRenderer implements PreAxisValueRenderListener
{
private Paint paint;
private boolean draw= false;
/********************************************************************************
*
* @param paint the paint to do the background in. You might want to use an
* alpha less than 255 (as in 'new Color( 20, 20, 20, 50 )' ) as this gets
* plotted over top of the axis grid lines.
********************************************************************************/
public BackgroundRenderer( Paint paint )
{
this.paint= paint;
}
/*********************************************************************************
*
* @param axisValueRenderEvent
*********************************************************************************/
public void preRender( AxisValueRenderEvent axisValueRenderEvent )
{
if( this.draw )
{
//---keep the current paint around
Paint currentPaint= axisValueRenderEvent.getGraphics2D().getPaint();
axisValueRenderEvent.getGraphics2D().setPaint( this.paint );
axisValueRenderEvent.getGraphics2D().fill( axisValueRenderEvent.getTotalItemAxisArea() );
//---reset the current Paint
axisValueRenderEvent.getGraphics2D().setPaint( currentPaint );
}
//todo this is not going to work for clustered bar, stacked bar, etc... as it is called each time
//---fill the background of every other item
this.draw= ! this.draw;
}
}
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