/*
* 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.layout.text;
import org.pentaho.reporting.libraries.fonts.registry.BaselineInfo;
import org.pentaho.reporting.libraries.fonts.registry.FontMetrics;
/**
* Creation-Date: 04.04.2007, 14:46:14
*
* @author Thomas Morgner
*/
public class TextUtility
{
private TextUtility()
{
}
private static int translateBaselines(final int baseline)
{
switch (baseline)
{
case BaselineInfo.HANGING:
return ExtendedBaselineInfo.HANGING;
case BaselineInfo.ALPHABETIC:
return ExtendedBaselineInfo.ALPHABETHIC;
case BaselineInfo.CENTRAL:
return ExtendedBaselineInfo.CENTRAL;
case BaselineInfo.IDEOGRAPHIC:
return ExtendedBaselineInfo.IDEOGRAPHIC;
case BaselineInfo.MATHEMATICAL:
return ExtendedBaselineInfo.MATHEMATICAL;
case BaselineInfo.MIDDLE:
return ExtendedBaselineInfo.MIDDLE;
default:
throw new IllegalArgumentException("Invalid baseline");
}
}
public static ExtendedBaselineInfo createBaselineInfo(final int codepoint,
final FontMetrics fontMetrics,
final BaselineInfo reusableBaselineInfo)
{
if (fontMetrics == null)
{
throw new NullPointerException("FontMetrics cannot be null");
}
final BaselineInfo baselineInfo = fontMetrics.getBaselines(codepoint, reusableBaselineInfo);
final int dominantBaseline = TextUtility.translateBaselines(baselineInfo.getDominantBaseline());
final long underlinePosition = fontMetrics.getUnderlinePosition();
final long strikeThroughPosition = fontMetrics.getStrikeThroughPosition();
return new DefaultExtendedBaselineInfo
(dominantBaseline, baselineInfo, 0, 0, fontMetrics.getMaxHeight(),
fontMetrics.getMaxHeight(), underlinePosition, strikeThroughPosition);
}
}