/***********************************************************************************************
* File Info: $Id: TextProcessor.java,v 1.1 2003/05/17 16:57:50 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.chartData.processors;
import org.krysalis.jcharts.chartText.TextTag;
import java.awt.*;
import java.awt.font.FontRenderContext;
import java.util.ArrayList;
/*******************************************************************************************
*
*
*******************************************************************************************/
public class TextProcessor
{
private float widestLabel = Float.MIN_VALUE;
private float tallestLabel = Float.MIN_VALUE;
private float totalLabelWidths = 0.0f;
private ArrayList textTags;
/******************************************************************************************
* Constructor
*
*******************************************************************************************/
public TextProcessor()
{
this.textTags = new ArrayList( 30 );
}
/******************************************************************************************
*
* @param label
* @param font
* @param fontRenderContext
*******************************************************************************************/
public void addLabel( String label, Font font, FontRenderContext fontRenderContext )
{
TextTag textTag= new TextTag( label, font, fontRenderContext );
this.textTags.add( textTag );
this.widestLabel = Math.max( textTag.getWidth(), this.widestLabel );
this.totalLabelWidths += textTag.getWidth();
this.tallestLabel = Math.max( textTag.getHeight(), this.tallestLabel );
}
/******************************************************************************************
* Returns the number of labels
*
* @return int
******************************************************************************************/
public int size()
{
return this.textTags.size();
}
/******************************************************************************************
* Calculates the width and height needed by the passed String when rendered
*
// * @param iDataSeries
/ * @param font
// * @param fontRenderContext
*******************************************************************************************
public void processLabels( IDataSeries iDataSeries) {
//LOOP
for( int i = 0; i < iDataSeries.getNumberOfXAxisLabels(); i++ )
{
this.axisLabelProcessor.processLabel( iDataSeries.getXAxisLabel( i ), axisLabelFont, fontRenderContext );
}
TextLayout textLayout = new TextLayout( label, font, fontRenderContext );
//---WIDTH
this.labelWidths[ counter ] = textLayout.getAdvance();
this.widestLabel = Math.max( this.labelWidths[ counter ], this.widestLabel );
this.totalLabelWidths += this.labelWidths[ counter ];
//---HEIGHT
this.labelHeights[ counter ] = textLayout.getAscent() + textLayout.getDescent();
this.tallestLabel = Math.max( this.labelHeights[ counter ], this.tallestLabel );
//---need this to offset font rendering, as rendering is at the baseline not bottom or top,
this.fontDescent = textLayout.getDescent();
this.counter++;
}
/******************************************************************************************
*
*
******************************************************************************************/
public float getWidestLabel()
{
return this.widestLabel;
}
/******************************************************************************************
*
*
******************************************************************************************/
public float getTallestLabel()
{
return this.tallestLabel;
}
/******************************************************************************************
*
*
******************************************************************************************/
public float getTotalLabelWidths()
{
return this.totalLabelWidths;
}
/******************************************************************************************
*
* @param index
* @return TextTag
******************************************************************************************/
public TextTag getTextTag( int index )
{
return (TextTag) this.textTags.get( index );
}
}