Package org.pentaho.reporting.engine.classic.core.testsupport.graphics

Source Code of org.pentaho.reporting.engine.classic.core.testsupport.graphics.TestFontMetrics

/*!
* 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) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.core.testsupport.graphics;

import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.geom.Rectangle2D;

import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.testsupport.DebugOutputProcessorMetaData;
import org.pentaho.reporting.libraries.fonts.tools.FontStrictGeomUtility;

public class TestFontMetrics extends FontMetrics
{
  private DebugOutputProcessorMetaData metaData;

  public TestFontMetrics(final Font font)
  {
    super(font);
    metaData = new DebugOutputProcessorMetaData();
    metaData.initialize(ClassicEngineBoot.getInstance().getGlobalConfig());
  }

  /**
   * Returns the bounds for the character with the maximum bounds
   * in the specified <code>Graphics</code> context.
   *
   * @param context the specified <code>Graphics</code> context
   * @return a <code>Rectangle2D</code> that is the
   *         bounding box for the character with the maximum bounds.
   * @see java.awt.Font#getMaxCharBounds(java.awt.font.FontRenderContext)
   */
  public Rectangle2D getMaxCharBounds(final Graphics context)
  {
    final Font baseFont = getFont();
    final String name = baseFont.getName();
    final org.pentaho.reporting.libraries.fonts.registry.FontMetrics fontMetrics =
        metaData.getFontMetrics(name, baseFont.getSize2D(), baseFont.isBold(), baseFont.isItalic(), "UTF-8", false, false);
    return new Rectangle2D.Double(0,
        -FontStrictGeomUtility.toExternalValue(fontMetrics.getMaxAscent()),
        FontStrictGeomUtility.toExternalValue(fontMetrics.getMaxCharAdvance()),
        FontStrictGeomUtility.toExternalValue
            (fontMetrics.getMaxAscent() + fontMetrics.getMaxDescent() + fontMetrics.getLeading()));
  }
}
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