| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.fonts; |
| |
| // CSOFF: LineLengthCheck |
| |
| /** |
| * The <code>GlyphSubstitution</code> interface is implemented by a glyph substitution subtable |
| * that supports the determination of glyph substitution information based on script and |
| * language of the corresponding character content. |
| * @author Glenn Adams |
| */ |
| public interface GlyphSubstitution { |
| |
| /** |
| * Perform glyph substitution at the current index, mutating the substitution state object as required. |
| * Only the context associated with the current index is processed. |
| * @param ss glyph substitution state object |
| * @return true if the glyph subtable was applied, meaning that the current context matches the |
| * associated input context glyph coverage table |
| */ |
| boolean substitute ( GlyphSubstitutionState ss ); |
| |
| } |