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comparison: gfx/graphite2/src/inc/CmapCache.h
gfx/graphite2/src/inc/CmapCache.h
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| 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 #include "inc/Face.h" | |
| 31 | |
| 32 namespace graphite2 { | |
| 33 | |
| 34 class Face; | |
| 35 | |
| 36 class Cmap | |
| 37 { | |
| 38 public: | |
| 39 | |
| 40 virtual ~Cmap() throw() {} | |
| 41 | |
| 42 virtual uint16 operator [] (const uint32) const throw() { return 0; } | |
| 43 | |
| 44 virtual operator bool () const throw() { return false; } | |
| 45 | |
| 46 CLASS_NEW_DELETE; | |
| 47 }; | |
| 48 | |
| 49 class DirectCmap : public Cmap | |
| 50 { | |
| 51 DirectCmap(const DirectCmap &); | |
| 52 DirectCmap & operator = (const DirectCmap &); | |
| 53 | |
| 54 public: | |
| 55 DirectCmap(const Face &); | |
| 56 virtual uint16 operator [] (const uint32 usv) const throw(); | |
| 57 virtual operator bool () const throw(); | |
| 58 | |
| 59 CLASS_NEW_DELETE; | |
| 60 private: | |
| 61 const Face::Table _cmap; | |
| 62 const void * _smp, | |
| 63 * _bmp; | |
| 64 }; | |
| 65 | |
| 66 class CachedCmap : public Cmap | |
| 67 { | |
| 68 CachedCmap(const CachedCmap &); | |
| 69 CachedCmap & operator = (const CachedCmap &); | |
| 70 | |
| 71 public: | |
| 72 CachedCmap(const Face &); | |
| 73 virtual ~CachedCmap() throw(); | |
| 74 virtual uint16 operator [] (const uint32 usv) const throw(); | |
| 75 virtual operator bool () const throw(); | |
| 76 CLASS_NEW_DELETE; | |
| 77 private: | |
| 78 bool m_isBmpOnly; | |
| 79 uint16 ** m_blocks; | |
| 80 }; | |
| 81 | |
| 82 } // namespace graphite2 |
