org.apache.fontbox.cff.CFFCIDFont 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.
*/
package org.apache.fontbox.cff;
import java.awt.geom.GeneralPath;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.fontbox.type1.Type1CharStringReader;
/**
* A Type 0 CIDFont represented in a CFF file. Thread safe.
*
* @author Villu Ruusmann
* @author John Hewson
*/
public class CFFCIDFont extends CFFFont
{
private String registry;
private String ordering;
private int supplement;
private List> fontDictionaries = new LinkedList>();
private List> privateDictionaries = new LinkedList>();
private FDSelect fdSelect;
private final Map charStringCache =
new ConcurrentHashMap();
private final PrivateType1CharStringReader reader = new PrivateType1CharStringReader();
/**
* Returns the registry value.
* * @return the registry
*/
public String getRegistry()
{
return registry;
}
/**
* Sets the registry value.
*
* @param registry the registry to set
*/
void setRegistry(String registry)
{
this.registry = registry;
}
/**
* Returns the ordering value.
*
* @return the ordering
*/
public String getOrdering()
{
return ordering;
}
/**
* Sets the ordering value.
*
* @param ordering the ordering to set
*/
void setOrdering(String ordering)
{
this.ordering = ordering;
}
/**
* Returns the supplement value.
*
* @return the supplement
*/
public int getSupplement()
{
return supplement;
}
/**
* Sets the supplement value.
*
* @param supplement the supplement to set
*/
void setSupplement(int supplement)
{
this.supplement = supplement;
}
/**
* Returns the font dictionaries.
*
* @return the fontDict
*/
public List> getFontDicts()
{
return fontDictionaries;
}
/**
* Sets the font dictionaries.
*
* @param fontDict the fontDict to set
*/
void setFontDict(List> fontDict)
{
this.fontDictionaries = fontDict;
}
/**
* Returns the private dictionary.
*
* @return the privDict
*/
public List> getPrivDicts()
{
return privateDictionaries;
}
/**
* Sets the private dictionary.
*
* @param privDict the privDict to set
*/
void setPrivDict(List> privDict)
{
this.privateDictionaries = privDict;
}
/**
* Returns the fdSelect value.
*
* @return the fdSelect
*/
public FDSelect getFdSelect()
{
return fdSelect;
}
/**
* Sets the fdSelect value.
*
* @param fdSelect the fdSelect to set
*/
void setFdSelect(FDSelect fdSelect)
{
this.fdSelect = fdSelect;
}
/**
* Returns the defaultWidthX for the given GID.
*
* @param gid GID
*/
private int getDefaultWidthX(int gid)
{
int fdArrayIndex = this.fdSelect.getFDIndex(gid);
if (fdArrayIndex == -1)
{
return 1000;
}
Map privDict = this.privateDictionaries.get(fdArrayIndex);
return privDict.containsKey("defaultWidthX") ? ((Number)privDict.get("defaultWidthX")).intValue() : 1000;
}
/**
* Returns the nominalWidthX for the given GID.
*
* @param gid GID
*/
private int getNominalWidthX(int gid)
{
int fdArrayIndex = this.fdSelect.getFDIndex(gid);
if (fdArrayIndex == -1)
{
return 0;
}
Map privDict = this.privateDictionaries.get(fdArrayIndex);
return privDict.containsKey("nominalWidthX") ? ((Number)privDict.get("nominalWidthX")).intValue() : 0;
}
/**
* Returns the LocalSubrIndex for the given GID.
*
* @param gid GID
*/
private byte[][] getLocalSubrIndex(int gid)
{
int fdArrayIndex = this.fdSelect.getFDIndex(gid);
if (fdArrayIndex == -1)
{
return null;
}
Map privDict = this.privateDictionaries.get(fdArrayIndex);
return (byte[][])privDict.get("Subrs");
}
/**
* Returns the Type 2 charstring for the given CID.
*
* @param cid CID
* @throws IOException if the charstring could not be read
*/
@Override
public CIDKeyedType2CharString getType2CharString(int cid) throws IOException
{
CIDKeyedType2CharString type2 = charStringCache.get(cid);
if (type2 == null)
{
int gid = charset.getGIDForCID(cid);
byte[] bytes = charStrings[gid];
if (bytes == null)
{
bytes = charStrings[0]; // .notdef
}
Type2CharStringParser parser = new Type2CharStringParser(fontName, cid);
List