01: /*
02: * Copyright (c) 2007, intarsys consulting GmbH
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * - Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * - Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * - Neither the name of intarsys nor the names of its contributors may be used
15: * to endorse or promote products derived from this software without specific
16: * prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28: * POSSIBILITY OF SUCH DAMAGE.
29: */
30: package de.intarsys.pdf.font;
31:
32: import de.intarsys.pdf.cos.COSBasedObject;
33: import de.intarsys.pdf.cos.COSName;
34: import de.intarsys.pdf.cos.COSObject;
35:
36: /**
37: * For Type 2 CID Fonts only a specification of the mapping from CID's to glyph
38: * indices.
39: */
40: public abstract class CIDToGIDMap extends COSBasedObject {
41: /**
42: * The meta class implementation
43: */
44: public static class MetaClass extends COSBasedObject.MetaClass {
45: protected MetaClass(Class instanceClass) {
46: super (instanceClass);
47: }
48:
49: protected COSBasedObject doCreateCOSBasedObject(COSObject object) {
50: if (object instanceof COSName) {
51: return getSingleton((COSName) object);
52: } else {
53: return new StreamBasedGIDMap(object);
54: }
55: }
56: }
57:
58: public static final COSName CN_Identity = COSName
59: .constant("Identity");
60:
61: /** The meta class instance */
62: public static final MetaClass META = new MetaClass(MetaClass.class
63: .getDeclaringClass());
64:
65: protected CIDToGIDMap(COSObject object) {
66: super (object);
67: }
68:
69: public static CIDToGIDMap getSingleton(COSName name) {
70: if (name.equals(CN_Identity)) {
71: return NamedGIDMap.SINGLETON;
72: } else {
73: return null;
74: }
75: }
76:
77: abstract public int getGlyphIndex(CID cid);
78: }
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