org.apache.fop.complexscripts.fonts.GlyphDefinitionSubtable Maven / Gradle / Ivy
/*
* 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.complexscripts.fonts;
// CSOFF: LineLengthCheck
/**
* The GlyphDefinitionSubtable implements an abstract base of a glyph definition subtable,
* providing a default implementation of the GlyphDefinition interface.
*
* This work was originally authored by Glenn Adams ([email protected]).
*/
public abstract class GlyphDefinitionSubtable extends GlyphSubtable implements GlyphDefinition {
/**
* Instantiate a GlyphDefinitionSubtable.
* @param id subtable identifier
* @param sequence subtable sequence
* @param flags subtable flags
* @param format subtable format
* @param mapping subtable coverage table
*/
protected GlyphDefinitionSubtable(String id, int sequence, int flags, int format, GlyphMappingTable mapping) {
super(id, sequence, flags, format, mapping);
}
/** {@inheritDoc} */
public int getTableType() {
return GlyphTable.GLYPH_TABLE_TYPE_DEFINITION;
}
/** {@inheritDoc} */
public String getTypeName() {
return GlyphDefinitionTable.getLookupTypeName(getType());
}
/** {@inheritDoc} */
public boolean usesReverseScan() {
return false;
}
/** {@inheritDoc} */
public boolean hasDefinition(int gi) {
GlyphCoverageMapping cvm;
if ((cvm = getCoverage()) != null) {
if (cvm.getCoverageIndex(gi) >= 0) {
return true;
}
}
GlyphClassMapping clm;
if ((clm = getClasses()) != null) {
if (clm.getClassIndex(gi, 0) >= 0) {
return true;
}
}
return false;
}
}