ParagraphFontMetricsImpl.java example

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pentaho-reporting-master
/*
 * 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) 2006 - 2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.engine.classic.core.layout.process.text;

import java.awt.font.TextLayout;

public class ParagraphFontMetricsImpl implements ParagraphFontMetrics {
  private float ascent = 0;
  private float descent = 0;
  private float leading = 0;

  public ParagraphFontMetricsImpl() {
  }

  public void update( TextLayout textLayout ) {
    ascent = Math.max( ascent, textLayout.getAscent() );
    descent = Math.max( descent, textLayout.getDescent() );
    leading = Math.max( leading, textLayout.getLeading() );
  }

  public float getLineHeight() {
    return ascent + descent + leading;
  }

  public float getBaseline() {
    return ascent + leading;
  }

  public float getAscent() {
    return ascent;
  }
}