Package org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal

Source Code of org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal.PdfOutputProcessorMetaData

/*
* 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.modules.output.pageable.pdf.internal;

import org.pentaho.reporting.engine.classic.core.AttributeNames;
import org.pentaho.reporting.engine.classic.core.ReportAttributeMap;
import org.pentaho.reporting.engine.classic.core.filter.types.bands.MasterReportType;
import org.pentaho.reporting.engine.classic.core.layout.output.AbstractOutputProcessorMetaData;
import org.pentaho.reporting.engine.classic.core.layout.output.OutputProcessorFeature;
import org.pentaho.reporting.engine.classic.core.layout.text.LegacyFontMetrics;
import org.pentaho.reporting.engine.classic.core.style.StyleSheet;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.base.config.ExtendedConfiguration;
import org.pentaho.reporting.libraries.base.config.ExtendedConfigurationWrapper;
import org.pentaho.reporting.libraries.base.util.LFUMap;
import org.pentaho.reporting.libraries.fonts.FontMappingUtility;
import org.pentaho.reporting.libraries.fonts.itext.BaseFontFontMetrics;
import org.pentaho.reporting.libraries.fonts.itext.ITextFontStorage;
import org.pentaho.reporting.libraries.fonts.registry.FontMetrics;

/**
* Creation-Date: 12.05.2007, 20:16:18
*
* @author Thomas Morgner
*/
public class PdfOutputProcessorMetaData extends AbstractOutputProcessorMetaData
{
  private LFUMap normalizedFontNameCache;

  public PdfOutputProcessorMetaData(final Configuration configuration, final ITextFontStorage fontStorage)
  {
    super(configuration, fontStorage);
    setFamilyMapping(null, "Helvetica");
    addFeature(OutputProcessorFeature.FAST_FONTRENDERING);
    addFeature(OutputProcessorFeature.BACKGROUND_IMAGE);
    addFeature(OutputProcessorFeature.PAGE_SECTIONS);
    addFeature(OutputProcessorFeature.SPACING_SUPPORTED);
    addFeature(OutputProcessorFeature.PAGEBREAKS);

    if ("true".equals(configuration.getConfigProperty
        ("org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.WatermarkPrinted")))
    {
      addFeature(OutputProcessorFeature.WATERMARK_SECTION);
    }
    if ("true".equals(configuration.getConfigProperty
        ("org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.EmbedFonts")))
    {
      addFeature(OutputProcessorFeature.EMBED_ALL_FONTS);
    }

    final ExtendedConfiguration extendedConfig = new ExtendedConfigurationWrapper(configuration);
    final double deviceResolution = extendedConfig.getIntProperty
        ("org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.DeviceResolution", 0);
    if (deviceResolution > 0)
    {
      setNumericFeatureValue(OutputProcessorFeature.DEVICE_RESOLUTION, deviceResolution);
    }
    if ("true".equals(configuration.getConfigProperty(
        "org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.AssumeOverflowX")))
    {
      addFeature(OutputProcessorFeature.ASSUME_OVERFLOW_X);
    }
    if ("true".equals(configuration.getConfigProperty(
        "org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.AssumeOverflowY")))
    {
      addFeature(OutputProcessorFeature.ASSUME_OVERFLOW_Y);
    }

    normalizedFontNameCache = new LFUMap(500);
  }

  public String getNormalizedFontFamilyName(final String name)
  {
    if (name != null)
    {
      final Object fromCache = normalizedFontNameCache.get(name);
      if (fromCache != null)
      {
        return (String) fromCache;
      }
    }

    String mappedName = super.getNormalizedFontFamilyName(name);
    if (FontMappingUtility.isSerif(mappedName))
    {
      mappedName = "Times";
    }
    else if (FontMappingUtility.isSansSerif(mappedName))
    {
      mappedName = "Helvetica";
    }
    else if (FontMappingUtility.isCourier(mappedName))
    {
      mappedName = "Courier";
    }
    else if (FontMappingUtility.isSymbol(mappedName))
    {
      mappedName = "Symbol";
    }
    if (name != null)
    {
      normalizedFontNameCache.put(name, mappedName);
    }
    return mappedName;
  }

  public String getExportDescriptor()
  {
    return "pageable/pdf";
  }

  public ITextFontStorage getITextFontStorage()
  {
    return (ITextFontStorage) getFontStorage();
  }

  public BaseFontFontMetrics getBaseFontFontMetrics(final String fontFamily,
                                                    final double fontSize,
                                                    final boolean bold,
                                                    final boolean italics,
                                                    final String encoding,
                                                    final boolean embedded,
                                                    final boolean antiAliasing) throws IllegalArgumentException
  {
    try
    {
      final FontMetrics metrics = super.getFontMetrics(fontFamily, fontSize, bold, italics, encoding, embedded,
          antiAliasing);
      if (metrics instanceof LegacyFontMetrics)
      {
        final LegacyFontMetrics lm = (LegacyFontMetrics) metrics;
        return (BaseFontFontMetrics) lm.getParent();
      }
      return (BaseFontFontMetrics) metrics;
    }
    catch (ClassCastException ce)
    {
      throw new IllegalArgumentException
          ("Ups, I did it again! ClassCastException in PdfOutputProcessorMetaData");
    }
  }

  /**
   * Checks whether this element provides some extra content that is not part of the visible layout structure.
   * This can be embedded scripts, anchors etc.
   *
   * @param style
   * @param attributes
   * @return
   */
  public boolean isExtraContentElement(final StyleSheet style, final ReportAttributeMap attributes)
  {
    if (isFeatureSupported(OutputProcessorFeature.DETECT_EXTRA_CONTENT) == false)
    {
      return false;
    }
   
    final Object o = attributes.getAttribute(AttributeNames.Core.NAMESPACE, AttributeNames.Core.ELEMENT_TYPE);
    if (o instanceof MasterReportType)
    {
      return false;
    }

    if (super.isExtraContentElement(style, attributes))
    {
      return true;
    }

    if (attributes.getAttribute(AttributeNames.Pdf.NAMESPACE, AttributeNames.Pdf.SCRIPT_ACTION) != null)
    {
      return true;
    }
    return false;
  }
}
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