01: /*
02:
03: Licensed to the Apache Software Foundation (ASF) under one or more
04: contributor license agreements. See the NOTICE file distributed with
05: this work for additional information regarding copyright ownership.
06: The ASF licenses this file to You under the Apache License, Version 2.0
07: (the "License"); you may not use this file except in compliance with
08: the License. You may obtain a copy of the License at
09:
10: http://www.apache.org/licenses/LICENSE-2.0
11:
12: Unless required by applicable law or agreed to in writing, software
13: distributed under the License is distributed on an "AS IS" BASIS,
14: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15: See the License for the specific language governing permissions and
16: limitations under the License.
17:
18: */
19: package org.apache.batik.svggen.font.table;
20:
21: import java.io.IOException;
22: import java.io.RandomAccessFile;
23:
24: /**
25: * @version $Id: CmapFormat.java 475477 2006-11-15 22:44:28Z cam $
26: * @author <a href="mailto:david@steadystate.co.uk">David Schweinsberg</a>
27: */
28: public abstract class CmapFormat {
29:
30: protected int format;
31: protected int length;
32: protected int version;
33:
34: protected CmapFormat(RandomAccessFile raf) throws IOException {
35: length = raf.readUnsignedShort();
36: version = raf.readUnsignedShort();
37: }
38:
39: protected static CmapFormat create(int format, RandomAccessFile raf)
40: throws IOException {
41: switch (format) {
42: case 0:
43: return new CmapFormat0(raf);
44: case 2:
45: return new CmapFormat2(raf);
46: case 4:
47: return new CmapFormat4(raf);
48: case 6:
49: return new CmapFormat6(raf);
50: }
51: return null;
52: }
53:
54: public int getFormat() {
55: return format;
56: }
57:
58: public int getLength() {
59: return length;
60: }
61:
62: public int getVersion() {
63: return version;
64: }
65:
66: public abstract int mapCharCode(int charCode);
67:
68: public abstract int getFirst();
69:
70: public abstract int getLast();
71:
72: public String toString() {
73: return new StringBuffer().append("format: ").append(format)
74: .append(", length: ").append(length).append(
75: ", version: ").append(version).toString();
76: }
77: }
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