| /* |
| * 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; |
| |
| /** |
| * A CFF charset. A charset is an array of SIDs/CIDs for all glyphs in the font. |
| * |
| * @author John Hewson |
| */ |
| public interface CFFCharset |
| { |
| /** |
| * Indicates if the charset belongs to a CID font. |
| * |
| * @return true for CID fonts |
| */ |
| public abstract boolean isCIDFont(); |
| |
| /** |
| * Adds a new GID/SID/name combination to the charset. |
| * |
| * @param gid GID |
| * @param sid SID |
| * @param name the postscript name of the glyph |
| */ |
| public abstract void addSID(int gid, int sid, String name); |
| |
| /** |
| * Adds a new GID/CID combination to the charset. |
| * |
| * @param gid GID |
| * @param cid CID |
| */ |
| public abstract void addCID(int gid, int cid); |
| |
| /** |
| * Returns the SID for a given GID. SIDs are internal to the font and are not public. |
| * |
| * @param gid GID |
| * @return SID |
| */ |
| public abstract int getSIDForGID(int gid); |
| |
| /** |
| * Returns the GID for the given SID. SIDs are internal to the font and are not public. |
| * |
| * @param sid SID |
| * @return GID |
| */ |
| public abstract int getGIDForSID(int sid); |
| |
| /** |
| * Returns the GID for a given CID. Returns 0 if the CID is missing. |
| * |
| * @param cid CID |
| * @return GID |
| */ |
| public abstract int getGIDForCID(int cid); |
| |
| /** |
| * Returns the SID for a given PostScript name, you would think this is not needed, |
| * but some fonts have glyphs beyond their encoding with charset SID names. |
| * |
| * @param name PostScript glyph name |
| * @return SID |
| */ |
| public abstract int getSID(String name); |
| |
| /** |
| * Returns the PostScript glyph name for the given GID. |
| * |
| * @param gid GID |
| * @return PostScript glyph name |
| */ |
| public abstract String getNameForGID(int gid); |
| |
| /** |
| * Returns the CID for the given GID. |
| * |
| * @param gid GID |
| * @return CID |
| */ |
| public abstract int getCIDForGID(int gid); |
| } |