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Diffstat (limited to 'Build/source/libs/graphite2/graphite2-1.3.0/src/SegCacheEntry.cpp')
-rw-r--r-- | Build/source/libs/graphite2/graphite2-1.3.0/src/SegCacheEntry.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Build/source/libs/graphite2/graphite2-1.3.0/src/SegCacheEntry.cpp b/Build/source/libs/graphite2/graphite2-1.3.0/src/SegCacheEntry.cpp new file mode 100644 index 00000000000..d35912d5aed --- /dev/null +++ b/Build/source/libs/graphite2/graphite2-1.3.0/src/SegCacheEntry.cpp @@ -0,0 +1,108 @@ +/* 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. +*/ + +#ifndef GRAPHITE2_NSEGCACHE + +#include "inc/Main.h" +#include "inc/Slot.h" +#include "inc/Segment.h" +#include "inc/SegCache.h" +#include "inc/SegCacheEntry.h" + + +using namespace graphite2; + +SegCacheEntry::SegCacheEntry(const uint16* cmapGlyphs, size_t length, Segment * seg, size_t charOffset, long long cacheTime) + : m_glyphLength(0), m_unicode(gralloc<uint16>(length)), m_glyph(NULL), + m_attr(NULL), m_justs(NULL), + m_accessCount(0), m_lastAccess(cacheTime) +{ + if (m_unicode) + for (uint16 i = 0; i < length; i++) + m_unicode[i] = cmapGlyphs[i]; + + const size_t glyphCount = seg->slotCount(), + sizeof_sjust = SlotJustify::size_of(seg->silf()->numJustLevels()); + if (!glyphCount) return; + size_t num_justs = 0, + justs_pos = 0; + if (seg->hasJustification()) + { + for (const Slot * s = seg->first(); s; s = s->next()) + { + if (s->m_justs == 0) continue; + ++num_justs; + } + m_justs = gralloc<byte>(sizeof_sjust * num_justs); + } + const Slot * slot = seg->first(); + m_glyph = new Slot[glyphCount]; + m_attr = gralloc<int16>(glyphCount * seg->numAttrs()); + if (!m_glyph || (!m_attr && seg->numAttrs())) return; + m_glyphLength = glyphCount; + Slot * slotCopy = m_glyph; + m_glyph->prev(NULL); + + uint16 pos = 0; + while (slot) + { + slotCopy->userAttrs(m_attr + pos * seg->numAttrs()); + slotCopy->m_justs = m_justs ? reinterpret_cast<SlotJustify *>(m_justs + justs_pos++ * sizeof_sjust) : 0; + slotCopy->set(*slot, -static_cast<int32>(charOffset), seg->numAttrs(), seg->silf()->numJustLevels(), length); + slotCopy->index(pos); + if (slot->firstChild()) + slotCopy->m_child = m_glyph + slot->firstChild()->index(); + if (slot->attachedTo()) + slotCopy->attachTo(m_glyph + slot->attachedTo()->index()); + if (slot->nextSibling()) + slotCopy->m_sibling = m_glyph + slot->nextSibling()->index(); + slot = slot->next(); + ++slotCopy; + ++pos; + if (slot) + { + slotCopy->prev(slotCopy-1); + (slotCopy-1)->next(slotCopy); + } + } +} + + +void SegCacheEntry::clear() +{ + free(m_unicode); + free(m_attr); + free(m_justs); + delete [] m_glyph; + m_unicode = NULL; + m_glyph = NULL; + m_glyphLength = 0; + m_attr = NULL; +} + +#endif + |