1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 /* $Id$ */ 19 20 package org.apache.fop.complexscripts.fonts; 21 22 // CSOFF: LineLengthCheck 23 24 /** 25 * <p>The <code>GlyphCoverageMapping</code> interface provides glyph identifier to coverage 26 * index mapping support.</p> 27 * 28 * <p>This work was originally authored by Glenn Adams (gadams@apache.org).</p> 29 */ 30 public interface GlyphCoverageMapping { 31 32 /** 33 * Obtain size of coverage table, i.e., ciMax + 1, where ciMax is the maximum 34 * coverage index. 35 * @return size of coverage table 36 */ getCoverageSize()37 int getCoverageSize(); 38 39 /** 40 * Map glyph identifier (code) to coverge index. Returns -1 if glyph identifier is not in the domain of 41 * the coverage table. 42 * @param gid glyph identifier (code) 43 * @return non-negative glyph coverage index or -1 if glyph identifiers is not mapped by table 44 */ getCoverageIndex(int gid)45 int getCoverageIndex(int gid); 46 47 } 48