/*

   Copyright 2001,2003  The Apache Software Foundation 

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

 */
package org.apache.batik.svggen.font.table;

import java.io.IOException;
import org.apache.batik.svggen.font.RandomAccessFileEmulator;

/**
 *
 * @author <a href="mailto:david@steadystate.co.uk">David Schweinsberg</a>
 * @version $Id: CoverageFormat1.java,v 1.4 2004/08/18 07:15:20 vhardy Exp $
 */
public class CoverageFormat1 extends Coverage {

  private final int glyphCount;
  private final int[] glyphIds;

  /**
   * Creates new CoverageFormat1
   *
   * @param raf
   * @throws java.io.IOException
   */
  protected CoverageFormat1(RandomAccessFileEmulator raf) throws IOException {
    glyphCount = raf.readUnsignedShort();
    glyphIds = new int[glyphCount];
    for (int i = 0; i < glyphCount; i++) {
      glyphIds[i] = raf.readUnsignedShort();
    }
  }

  @Override
  public int getFormat() {
    return 1;
  }

  @Override
  public int findGlyph(int glyphId) {
    for (int i = 0; i < glyphCount; i++) {
      if (glyphIds[i] == glyphId) {
        return i;
      }
    }
    return -1;
  }

}