1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/graphite2/src/SegCacheEntry.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
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 +
1.31 +#ifndef GRAPHITE2_NSEGCACHE
1.32 +
1.33 +#include "inc/Main.h"
1.34 +#include "inc/Slot.h"
1.35 +#include "inc/Segment.h"
1.36 +#include "inc/SegCache.h"
1.37 +#include "inc/SegCacheEntry.h"
1.38 +
1.39 +
1.40 +using namespace graphite2;
1.41 +
1.42 +SegCacheEntry::SegCacheEntry(const uint16* cmapGlyphs, size_t length, Segment * seg, size_t charOffset, long long cacheTime)
1.43 + : m_glyphLength(0), m_unicode(gralloc<uint16>(length)), m_glyph(NULL),
1.44 + m_attr(NULL), m_justs(NULL),
1.45 + m_accessCount(0), m_lastAccess(cacheTime)
1.46 +{
1.47 + if (m_unicode)
1.48 + for (uint16 i = 0; i < length; i++)
1.49 + m_unicode[i] = cmapGlyphs[i];
1.50 +
1.51 + const size_t glyphCount = seg->slotCount(),
1.52 + sizeof_sjust = SlotJustify::size_of(seg->silf()->numJustLevels());
1.53 + if (!glyphCount) return;
1.54 + size_t num_justs = 0,
1.55 + justs_pos = 0;
1.56 + if (seg->hasJustification())
1.57 + {
1.58 + for (const Slot * s = seg->first(); s; s = s->next())
1.59 + {
1.60 + if (s->m_justs == 0) continue;
1.61 + ++num_justs;
1.62 + }
1.63 + m_justs = gralloc<byte>(sizeof_sjust * num_justs);
1.64 + }
1.65 + const Slot * slot = seg->first();
1.66 + m_glyph = new Slot[glyphCount];
1.67 + m_attr = gralloc<int16>(glyphCount * seg->numAttrs());
1.68 + if (!m_glyph || (!m_attr && seg->numAttrs())) return;
1.69 + m_glyphLength = glyphCount;
1.70 + Slot * slotCopy = m_glyph;
1.71 + m_glyph->prev(NULL);
1.72 +
1.73 + uint16 pos = 0;
1.74 + while (slot)
1.75 + {
1.76 + slotCopy->userAttrs(m_attr + pos * seg->numAttrs());
1.77 + slotCopy->m_justs = m_justs ? reinterpret_cast<SlotJustify *>(m_justs + justs_pos++ * sizeof_sjust) : 0;
1.78 + slotCopy->set(*slot, -static_cast<int32>(charOffset), seg->numAttrs(), seg->silf()->numJustLevels(), length);
1.79 + slotCopy->index(pos);
1.80 + if (slot->firstChild())
1.81 + slotCopy->m_child = m_glyph + slot->firstChild()->index();
1.82 + if (slot->attachedTo())
1.83 + slotCopy->attachTo(m_glyph + slot->attachedTo()->index());
1.84 + if (slot->nextSibling())
1.85 + slotCopy->m_sibling = m_glyph + slot->nextSibling()->index();
1.86 + slot = slot->next();
1.87 + ++slotCopy;
1.88 + ++pos;
1.89 + if (slot)
1.90 + {
1.91 + slotCopy->prev(slotCopy-1);
1.92 + (slotCopy-1)->next(slotCopy);
1.93 + }
1.94 + }
1.95 +}
1.96 +
1.97 +
1.98 +void SegCacheEntry::clear()
1.99 +{
1.100 + free(m_unicode);
1.101 + free(m_attr);
1.102 + free(m_justs);
1.103 + delete [] m_glyph;
1.104 + m_unicode = NULL;
1.105 + m_glyph = NULL;
1.106 + m_glyphLength = 0;
1.107 + m_attr = NULL;
1.108 +}
1.109 +
1.110 +#endif
1.111 +
