1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/graphite2/src/inc/SegCacheStore.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,127 @@
1.4 +/* GRAPHITE2 LICENSING
1.5 +
1.6 + Copyright 2010, SIL International
1.7 + All rights reserved.
1.8 +
1.9 + This library is free software; you can redistribute it and/or modify
1.10 + it under the terms of the GNU Lesser General Public License as published
1.11 + by the Free Software Foundation; either version 2.1 of License, or
1.12 + (at your option) any later version.
1.13 +
1.14 + This program is distributed in the hope that it will be useful,
1.15 + but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1.17 + Lesser General Public License for more details.
1.18 +
1.19 + You should also have received a copy of the GNU Lesser General Public
1.20 + License along with this library in the file named "LICENSE".
1.21 + If not, write to the Free Software Foundation, 51 Franklin Street,
1.22 + Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
1.23 + internet at http://www.fsf.org/licenses/lgpl.html.
1.24 +
1.25 +Alternatively, the contents of this file may be used under the terms of the
1.26 +Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
1.27 +License, as published by the Free Software Foundation, either version 2
1.28 +of the License or (at your option) any later version.
1.29 +*/
1.30 +#pragma once
1.31 +
1.32 +#ifndef GRAPHITE2_NSEGCACHE
1.33 +
1.34 +#include "inc/Main.h"
1.35 +#include "inc/CmapCache.h"
1.36 +#include "inc/SegCache.h"
1.37 +
1.38 +namespace graphite2 {
1.39 +
1.40 +class SegCache;
1.41 +class Face;
1.42 +
1.43 +class SilfSegCache
1.44 +{
1.45 + SilfSegCache(const SilfSegCache &);
1.46 + SilfSegCache & operator = (const SilfSegCache &);
1.47 +
1.48 +public:
1.49 + SilfSegCache() : m_caches(NULL), m_cacheCount(0) {};
1.50 + ~SilfSegCache()
1.51 + {
1.52 + assert(m_caches == NULL);
1.53 + }
1.54 + void clear(SegCacheStore * cacheStore)
1.55 + {
1.56 + for (size_t i = 0; i < m_cacheCount; i++)
1.57 + {
1.58 + m_caches[i]->clear(cacheStore);
1.59 + delete m_caches[i];
1.60 + }
1.61 + free(m_caches);
1.62 + m_caches = NULL;
1.63 + m_cacheCount = 0;
1.64 + }
1.65 + SegCache * getOrCreate(SegCacheStore * cacheStore, const Features & features)
1.66 + {
1.67 + for (size_t i = 0; i < m_cacheCount; i++)
1.68 + {
1.69 + if (m_caches[i]->features() == features)
1.70 + return m_caches[i];
1.71 + }
1.72 + SegCache ** newData = gralloc<SegCache*>(m_cacheCount+1);
1.73 + if (newData)
1.74 + {
1.75 + if (m_cacheCount > 0)
1.76 + {
1.77 + memcpy(newData, m_caches, sizeof(SegCache*) * m_cacheCount);
1.78 + free(m_caches);
1.79 + }
1.80 + m_caches = newData;
1.81 + m_caches[m_cacheCount] = new SegCache(cacheStore, features);
1.82 + m_cacheCount++;
1.83 + return m_caches[m_cacheCount - 1];
1.84 + }
1.85 + return NULL;
1.86 + }
1.87 + CLASS_NEW_DELETE
1.88 +private:
1.89 + SegCache ** m_caches;
1.90 + size_t m_cacheCount;
1.91 +};
1.92 +
1.93 +class SegCacheStore
1.94 +{
1.95 + SegCacheStore(const SegCacheStore &);
1.96 + SegCacheStore & operator = (const SegCacheStore &);
1.97 +
1.98 +public:
1.99 + SegCacheStore(const Face & face, unsigned int numSilf, size_t maxSegments);
1.100 + ~SegCacheStore()
1.101 + {
1.102 + for (size_t i = 0; i < m_numSilf; i++)
1.103 + {
1.104 + m_caches[i].clear(this);
1.105 + }
1.106 + delete [] m_caches;
1.107 + m_caches = NULL;
1.108 + }
1.109 + SegCache * getOrCreate(unsigned int i, const Features & features)
1.110 + {
1.111 + return m_caches[i].getOrCreate(this, features);
1.112 + }
1.113 + bool isSpaceGlyph(uint16 gid) const { return (gid == m_spaceGid) || (gid == m_zwspGid); }
1.114 + uint16 maxCmapGid() const { return m_maxCmapGid; }
1.115 + uint32 maxSegmentCount() const { return m_maxSegments; };
1.116 +
1.117 + CLASS_NEW_DELETE
1.118 +private:
1.119 + SilfSegCache * m_caches;
1.120 + uint8 m_numSilf;
1.121 + uint32 m_maxSegments;
1.122 + uint16 m_maxCmapGid;
1.123 + uint16 m_spaceGid;
1.124 + uint16 m_zwspGid;
1.125 +};
1.126 +
1.127 +} // namespace graphite2
1.128 +
1.129 +#endif
1.130 +
