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authorMatt A. Tobin <email@mattatobin.com>2018-02-04 14:35:31 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-04 14:35:31 -0500
commit7edd685eee95759d66a457cf428f42e0dda94671 (patch)
treec4514958ea133084552be32d331c115afc509daa /gfx/graphite2/src/GlyphFaceCache.cpp
parent0083d404eff36f873cde465d50cd34b112bd124f (diff)
parentfc7d9fade54dfbe275c4808dabe30a19415082e0 (diff)
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Merge branch 'master' into configurebuild-work
Diffstat (limited to 'gfx/graphite2/src/GlyphFaceCache.cpp')
-rw-r--r--gfx/graphite2/src/GlyphFaceCache.cpp149
1 files changed, 0 insertions, 149 deletions
diff --git a/gfx/graphite2/src/GlyphFaceCache.cpp b/gfx/graphite2/src/GlyphFaceCache.cpp
deleted file mode 100644
index 9abb1aa9d..000000000
--- a/gfx/graphite2/src/GlyphFaceCache.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-/* 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.
-*/
-#include "inc/GlyphFaceCache.h"
-#include "graphite2/Font.h"
-#include "inc/Face.h" //for the tags
-#include "inc/Endian.h"
-
-using namespace graphite2;
-
-/*virtual*/ bool GlyphFaceCacheHeader::initialize(const Face & face, const bool dumb_font) //return result indicates success. Do not use if failed.
-{
- if ((m_pLoca = face.getTable(Tag::loca, &m_lLoca)) == NULL) return false;
- if ((m_pHead = face.getTable(Tag::head)) == NULL) return false;
- if ((m_pGlyf = face.getTable(Tag::glyf, &m_lGlyf)) == NULL) return false;
- if ((m_pHmtx = face.getTable(Tag::hmtx, &m_lHmtx)) == NULL) return false;
- if ((m_pHHea = face.getTable(Tag::hhea)) == NULL) return false;
-
- const void* pMaxp = face.getTable(Tag::maxp);
- if (pMaxp == NULL) return false;
- m_nGlyphs = m_nGlyphsWithGraphics = (unsigned short)TtfUtil::GlyphCount(pMaxp);
- if (TtfUtil::LocaLookup(m_nGlyphs-1, m_pLoca, m_lLoca, m_pHead) == size_t(-1))
- return false; // This will fail if m_nGlyphs is wildly out of range.
-
- if (!dumb_font)
- {
- if ((m_pGlat = face.getTable(Tag::Glat, &m_lGlat)) == NULL) return false;
- m_fGlat = be::peek<uint32>(m_pGlat);
- size_t lGloc;
- if ((m_pGloc = face.getTable(Tag::Gloc, &lGloc)) == NULL) return false;
- if (lGloc < 6) return false;
- int version = be::read<uint32>(m_pGloc);
- if (version != 0x00010000) return false;
-
- const uint16 locFlags = be::read<uint16>(m_pGloc);
- m_numAttrs = be::read<uint16>(m_pGloc);
- if (m_numAttrs > 0x1000) return false; // is this hard limit appropriate?
-
- if (locFlags & 1)
- {
- m_locFlagsUse32Bit = true;
- m_nGlyphsWithAttributes = (unsigned short)((lGloc - 12) / 4);
- }
- else
- {
- m_locFlagsUse32Bit = false;
- m_nGlyphsWithAttributes = (unsigned short)((lGloc - 10) / 2);
- }
-
- if (m_nGlyphsWithAttributes > m_nGlyphs)
- m_nGlyphs = m_nGlyphsWithAttributes;
- }
-
- return true;
-}
-
-GlyphFaceCache* GlyphFaceCache::makeCache(const GlyphFaceCacheHeader& hdr)
-{
- return new (hdr) GlyphFaceCache(hdr);
-}
-
-GlyphFaceCache::GlyphFaceCache(const GlyphFaceCacheHeader& hdr)
-: GlyphFaceCacheHeader(hdr)
-{
- unsigned int nGlyphs = numGlyphs();
-
- for (unsigned int i = 0; i < nGlyphs; i++)
- {
- *glyphPtrDirect(i) = NULL;
- }
-}
-
-GlyphFaceCache::~GlyphFaceCache()
-{
- unsigned int nGlyphs = numGlyphs();
- int deltaPointers = (*glyphPtrDirect(nGlyphs-1u) - *glyphPtrDirect(0u));
- if ((nGlyphs > 0u) && (deltaPointers == static_cast<int>(nGlyphs - 1)))
- {
- for (unsigned int i=0 ; i<nGlyphs; ++i)
- {
- GlyphFace *p = *glyphPtrDirect(i);
- assert (p);
- p->~GlyphFace();
- }
- free (*glyphPtrDirect(0));
- }
- else
- {
- for (unsigned int i=0 ; i<nGlyphs; ++i)
- {
- GlyphFace *p = *glyphPtrDirect(i);
- if (p)
- {
- p->~GlyphFace();
- free(p);
- }
- }
- }
-}
-
-void GlyphFaceCache::loadAllGlyphs()
-{
- unsigned int nGlyphs = numGlyphs();
-// size_t sparse_size = 0;
- GlyphFace * glyphs = gralloc<GlyphFace>(nGlyphs);
- for (unsigned short glyphid = 0; glyphid < nGlyphs; glyphid++)
- {
- GlyphFace **p = glyphPtrDirect(glyphid);
- *p = &(glyphs[glyphid]);
- new(*p) GlyphFace(*this, glyphid);
-// sparse_size += (*p)->m_attrs._sizeof();
- }
-// const size_t flat_size = nGlyphs*(sizeof(uint16*) + sizeof(uint16)*numAttrs());
-// assert(sparse_size <= flat_size);
-}
-
-/*virtual*/ const GlyphFace *GlyphFaceCache::glyph(unsigned short glyphid) const //result may be changed by subsequent call with a different glyphid
-{
- GlyphFace **p = glyphPtrDirect(glyphid);
- if (*p)
- return *p;
-
- *p = (GlyphFace*)malloc(sizeof(GlyphFace));
- new(*p) GlyphFace(*this, glyphid);
- return *p;
-}