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Diffstat (limited to 'Build/source/libs/graphite2/graphite2-1.2.3/src/inc/SegCacheStore.h')
-rw-r--r-- | Build/source/libs/graphite2/graphite2-1.2.3/src/inc/SegCacheStore.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/Build/source/libs/graphite2/graphite2-1.2.3/src/inc/SegCacheStore.h b/Build/source/libs/graphite2/graphite2-1.2.3/src/inc/SegCacheStore.h new file mode 100644 index 00000000000..1e6a6e216e7 --- /dev/null +++ b/Build/source/libs/graphite2/graphite2-1.2.3/src/inc/SegCacheStore.h @@ -0,0 +1,127 @@ +/* GRAPHITE2 LICENSING + + Copyright 2010, SIL International + All rights reserved. + + This library is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should also have received a copy of the GNU Lesser General Public + License along with this library in the file named "LICENSE". + If not, write to the Free Software Foundation, 51 Franklin Street, + Suite 500, Boston, MA 02110-1335, USA or visit their web page on the + internet at http://www.fsf.org/licenses/lgpl.html. + +Alternatively, the contents of this file may be used under the terms of the +Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public +License, as published by the Free Software Foundation, either version 2 +of the License or (at your option) any later version. +*/ +#pragma once + +#ifndef GRAPHITE2_NSEGCACHE + +#include "inc/Main.h" +#include "inc/CmapCache.h" +#include "inc/SegCache.h" + +namespace graphite2 { + +class SegCache; +class Face; + +class SilfSegCache +{ + SilfSegCache(const SilfSegCache &); + SilfSegCache & operator = (const SilfSegCache &); + +public: + SilfSegCache() : m_caches(NULL), m_cacheCount(0) {}; + ~SilfSegCache() + { + assert(m_caches == NULL); + } + void clear(SegCacheStore * cacheStore) + { + for (size_t i = 0; i < m_cacheCount; i++) + { + m_caches[i]->clear(cacheStore); + delete m_caches[i]; + } + free(m_caches); + m_caches = NULL; + m_cacheCount = 0; + } + SegCache * getOrCreate(SegCacheStore * cacheStore, const Features & features) + { + for (size_t i = 0; i < m_cacheCount; i++) + { + if (m_caches[i]->features() == features) + return m_caches[i]; + } + SegCache ** newData = gralloc<SegCache*>(m_cacheCount+1); + if (newData) + { + if (m_cacheCount > 0) + { + memcpy(newData, m_caches, sizeof(SegCache*) * m_cacheCount); + free(m_caches); + } + m_caches = newData; + m_caches[m_cacheCount] = new SegCache(cacheStore, features); + m_cacheCount++; + return m_caches[m_cacheCount - 1]; + } + return NULL; + } + CLASS_NEW_DELETE +private: + SegCache ** m_caches; + size_t m_cacheCount; +}; + +class SegCacheStore +{ + SegCacheStore(const SegCacheStore &); + SegCacheStore & operator = (const SegCacheStore &); + +public: + SegCacheStore(const Face & face, unsigned int numSilf, size_t maxSegments); + ~SegCacheStore() + { + for (size_t i = 0; i < m_numSilf; i++) + { + m_caches[i].clear(this); + } + delete [] m_caches; + m_caches = NULL; + } + SegCache * getOrCreate(unsigned int i, const Features & features) + { + return m_caches[i].getOrCreate(this, features); + } + bool isSpaceGlyph(uint16 gid) const { return (gid == m_spaceGid) || (gid == m_zwspGid); } + uint16 maxCmapGid() const { return m_maxCmapGid; } + uint32 maxSegmentCount() const { return m_maxSegments; }; + + CLASS_NEW_DELETE +private: + SilfSegCache * m_caches; + uint8 m_numSilf; + uint32 m_maxSegments; + uint16 m_maxCmapGid; + uint16 m_spaceGid; + uint16 m_zwspGid; +}; + +} // namespace graphite2 + +#endif + |