/*
* 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 and Contributors.  All rights reserved.
*/

package org.pentaho.reporting.libraries.fonts.monospace;

import org.pentaho.reporting.libraries.fonts.registry.FontFamily;
import org.pentaho.reporting.libraries.fonts.registry.FontRecord;

public class MonospaceFontFamily implements FontFamily {
  private String familyName;
  private FontRecord[] fonts;
  private float lpi;
  private float cpi;

  public MonospaceFontFamily( final String familyName,
                              final float lpi,
                              final float cpi ) {
    if ( familyName == null ) {
      throw new NullPointerException();
    }
    this.familyName = familyName;
    this.fonts = new FontRecord[ 4 ];
    this.lpi = lpi;
    this.cpi = cpi;
  }

  /**
   * Returns the name of the font family (in english).
   *
   * @return
   */
  public String getFamilyName() {
    return familyName;
  }

  public String[] getAllNames() {
    return new String[] { familyName };
  }

  /**
   * This selects the most suitable font in that family. Italics fonts are preferred over oblique fonts.
   *
   * @param bold
   * @param italics
   * @return
   */
  public FontRecord getFontRecord( final boolean bold, final boolean italics ) {
    int index = 0;
    if ( bold ) {
      index += 1;
    }
    if ( italics ) {
      index += 2;
    }
    if ( fonts[ index ] != null ) {
      return fonts[ index ];
    }
    fonts[ index ] = new MonospaceFontRecord( this, bold, italics );
    return fonts[ index ];
  }

  public boolean equals( final Object o ) {
    if ( this == o ) {
      return true;
    }
    if ( o == null || getClass() != o.getClass() ) {
      return false;
    }

    final MonospaceFontFamily that = (MonospaceFontFamily) o;

    if ( lpi != that.lpi ) {
      return false;
    }
    if ( cpi != that.cpi ) {
      return false;
    }
    if ( !familyName.equals( that.familyName ) ) {
      return false;
    }

    return true;
  }

  public int hashCode() {
    int result = familyName.hashCode();
    result = 31 * result + ( lpi != +0.0f ? Float.floatToIntBits( lpi ) : 0 );
    result = 31 * result + ( cpi != +0.0f ? Float.floatToIntBits( cpi ) : 0 );
    return result;
  }
}