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Diffstat (limited to 'Build/source/libs/graphite2/graphite2-1.2.4/src/inc/GlyphCache.h')
-rw-r--r-- | Build/source/libs/graphite2/graphite2-1.2.4/src/inc/GlyphCache.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/Build/source/libs/graphite2/graphite2-1.2.4/src/inc/GlyphCache.h b/Build/source/libs/graphite2/graphite2-1.2.4/src/inc/GlyphCache.h new file mode 100644 index 00000000000..ab5b0b7c5fe --- /dev/null +++ b/Build/source/libs/graphite2/graphite2-1.2.4/src/inc/GlyphCache.h @@ -0,0 +1,92 @@ +/* GRAPHITE2 LICENSING + + Copyright 2012, 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. +*/ +#pragma once + + +#include "graphite2/Font.h" +#include "inc/Main.h" + +namespace graphite2 { + +class Face; +class FeatureVal; +class GlyphFace; +class Segment; + +class GlyphCache +{ + class Loader; + + GlyphCache(const GlyphCache&); + GlyphCache& operator=(const GlyphCache&); + +public: + GlyphCache(const Face & face, const uint32 face_options); + ~GlyphCache(); + + unsigned short numGlyphs() const throw(); + unsigned short numAttrs() const throw(); + unsigned short unitsPerEm() const throw(); + + const GlyphFace *glyph(unsigned short glyphid) const; //result may be changed by subsequent call with a different glyphid + const GlyphFace *glyphSafe(unsigned short glyphid) const; + + CLASS_NEW_DELETE; + +private: + const Loader * _glyph_loader; + const GlyphFace * * _glyphs; + unsigned short _num_glyphs, + _num_attrs, + _upem; +}; + +inline +unsigned short GlyphCache::numGlyphs() const throw() +{ + return _num_glyphs; +} + +inline +unsigned short GlyphCache::numAttrs() const throw() +{ + return _num_attrs; +} + +inline +unsigned short GlyphCache::unitsPerEm() const throw() +{ + return _upem; +} + +inline +const GlyphFace *GlyphCache::glyphSafe(unsigned short glyphid) const +{ + return glyphid < _num_glyphs ? glyph(glyphid) : NULL; +} + +} // namespace graphite2 |