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comparison: gfx/graphite2/src/SegCacheEntry.cpp
gfx/graphite2/src/SegCacheEntry.cpp
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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 | |
| 28 #ifndef GRAPHITE2_NSEGCACHE | |
| 29 | |
| 30 #include "inc/Main.h" | |
| 31 #include "inc/Slot.h" | |
| 32 #include "inc/Segment.h" | |
| 33 #include "inc/SegCache.h" | |
| 34 #include "inc/SegCacheEntry.h" | |
| 35 | |
| 36 | |
| 37 using namespace graphite2; | |
| 38 | |
| 39 SegCacheEntry::SegCacheEntry(const uint16* cmapGlyphs, size_t length, Segment * seg, size_t charOffset, long long cacheTime) | |
| 40 : m_glyphLength(0), m_unicode(gralloc<uint16>(length)), m_glyph(NULL), | |
| 41 m_attr(NULL), m_justs(NULL), | |
| 42 m_accessCount(0), m_lastAccess(cacheTime) | |
| 43 { | |
| 44 if (m_unicode) | |
| 45 for (uint16 i = 0; i < length; i++) | |
| 46 m_unicode[i] = cmapGlyphs[i]; | |
| 47 | |
| 48 const size_t glyphCount = seg->slotCount(), | |
| 49 sizeof_sjust = SlotJustify::size_of(seg->silf()->numJustLevels()); | |
| 50 if (!glyphCount) return; | |
| 51 size_t num_justs = 0, | |
| 52 justs_pos = 0; | |
| 53 if (seg->hasJustification()) | |
| 54 { | |
| 55 for (const Slot * s = seg->first(); s; s = s->next()) | |
| 56 { | |
| 57 if (s->m_justs == 0) continue; | |
| 58 ++num_justs; | |
| 59 } | |
| 60 m_justs = gralloc<byte>(sizeof_sjust * num_justs); | |
| 61 } | |
| 62 const Slot * slot = seg->first(); | |
| 63 m_glyph = new Slot[glyphCount]; | |
| 64 m_attr = gralloc<int16>(glyphCount * seg->numAttrs()); | |
| 65 if (!m_glyph || (!m_attr && seg->numAttrs())) return; | |
| 66 m_glyphLength = glyphCount; | |
| 67 Slot * slotCopy = m_glyph; | |
| 68 m_glyph->prev(NULL); | |
| 69 | |
| 70 uint16 pos = 0; | |
| 71 while (slot) | |
| 72 { | |
| 73 slotCopy->userAttrs(m_attr + pos * seg->numAttrs()); | |
| 74 slotCopy->m_justs = m_justs ? reinterpret_cast<SlotJustify *>(m_justs + justs_pos++ * sizeof_sjust) : 0; | |
| 75 slotCopy->set(*slot, -static_cast<int32>(charOffset), seg->numAttrs(), seg->silf()->numJustLevels(), length); | |
| 76 slotCopy->index(pos); | |
| 77 if (slot->firstChild()) | |
| 78 slotCopy->m_child = m_glyph + slot->firstChild()->index(); | |
| 79 if (slot->attachedTo()) | |
| 80 slotCopy->attachTo(m_glyph + slot->attachedTo()->index()); | |
| 81 if (slot->nextSibling()) | |
| 82 slotCopy->m_sibling = m_glyph + slot->nextSibling()->index(); | |
| 83 slot = slot->next(); | |
| 84 ++slotCopy; | |
| 85 ++pos; | |
| 86 if (slot) | |
| 87 { | |
| 88 slotCopy->prev(slotCopy-1); | |
| 89 (slotCopy-1)->next(slotCopy); | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 | |
| 95 void SegCacheEntry::clear() | |
| 96 { | |
| 97 free(m_unicode); | |
| 98 free(m_attr); | |
| 99 free(m_justs); | |
| 100 delete [] m_glyph; | |
| 101 m_unicode = NULL; | |
| 102 m_glyph = NULL; | |
| 103 m_glyphLength = 0; | |
| 104 m_attr = NULL; | |
| 105 } | |
| 106 | |
| 107 #endif | |
| 108 |
