1 : /* GRAPHITE2 LICENSING
2 :
3 : Copyright 2010, SIL International
4 : All rights reserved.
5 :
6 : This library is free software; you can redistribute it and/or modify
7 : it under the terms of the GNU Lesser General Public License as published
8 : by the Free Software Foundation; either version 2.1 of License, or
9 : (at your option) any later version.
10 :
11 : This program is distributed in the hope that it will be useful,
12 : but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 : Lesser General Public License for more details.
15 :
16 : You should also have received a copy of the GNU Lesser General Public
17 : License along with this library in the file named "LICENSE".
18 : If not, write to the Free Software Foundation, 51 Franklin Street,
19 : Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
20 : internet at http://www.fsf.org/licenses/lgpl.html.
21 :
22 : Alternatively, the contents of this file may be used under the terms of the
23 : Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
24 : License, as published by the Free Software Foundation, either version 2
25 : of the License or (at your option) any later version.
26 : */
27 : #pragma once
28 :
29 : #include "inc/Main.h"
30 :
31 : namespace graphite2 {
32 :
33 : class Face;
34 :
35 : class Cmap
36 0 : {
37 : public:
38 0 : virtual ~Cmap() throw() {}
39 :
40 0 : virtual uint16 operator [] (const uint32) const throw() { return 0; }
41 :
42 0 : virtual operator bool () const throw() { return false; }
43 :
44 0 : CLASS_NEW_DELETE;
45 : };
46 :
47 : class DirectCmap : public Cmap
48 0 : {
49 : public:
50 : DirectCmap(const void* cmap, size_t length);
51 : virtual uint16 operator [] (const uint32 usv) const throw();
52 : virtual operator bool () const throw();
53 :
54 0 : CLASS_NEW_DELETE;
55 : private:
56 : const void *_stable,
57 : *_ctable;
58 : };
59 :
60 : class CmapCache : public Cmap
61 : {
62 : public:
63 : CmapCache(const void * cmapTable, size_t length);
64 : virtual ~CmapCache() throw();
65 : virtual uint16 operator [] (const uint32 usv) const throw();
66 : virtual operator bool () const throw();
67 0 : CLASS_NEW_DELETE;
68 : private:
69 : bool m_isBmpOnly;
70 : uint16 ** m_blocks;
71 : };
72 :
73 : } // namespace graphite2
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