gfx/graphite2/src/inc/GlyphCache.h@6474c204b198 (annotated)
gfx/graphite2/src/inc/GlyphCache.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* GRAPHITE2 LICENSING |
| michael@0 | 2 | |
| michael@0 | 3 | Copyright 2012, SIL International |
| michael@0 | 4 | All rights reserved. |
| michael@0 | 5 | |
| michael@0 | 6 | This library is free software; you can redistribute it and/or modify |
| michael@0 | 7 | it under the terms of the GNU Lesser General Public License as published |
| michael@0 | 8 | by the Free Software Foundation; either version 2.1 of License, or |
| michael@0 | 9 | (at your option) any later version. |
| michael@0 | 10 | |
| michael@0 | 11 | This program is distributed in the hope that it will be useful, |
| michael@0 | 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| michael@0 | 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| michael@0 | 14 | Lesser General Public License for more details. |
| michael@0 | 15 | |
| michael@0 | 16 | You should also have received a copy of the GNU Lesser General Public |
| michael@0 | 17 | License along with this library in the file named "LICENSE". |
| michael@0 | 18 | If not, write to the Free Software Foundation, 51 Franklin Street, |
| michael@0 | 19 | Suite 500, Boston, MA 02110-1335, USA or visit their web page on the |
| michael@0 | 20 | internet at http://www.fsf.org/licenses/lgpl.html. |
| michael@0 | 21 | |
| michael@0 | 22 | Alternatively, the contents of this file may be used under the terms of the |
| michael@0 | 23 | Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public |
| michael@0 | 24 | License, as published by the Free Software Foundation, either version 2 |
| michael@0 | 25 | of the License or (at your option) any later version. |
| michael@0 | 26 | */ |
| michael@0 | 27 | #pragma once |
| michael@0 | 28 | |
| michael@0 | 29 | |
| michael@0 | 30 | #include "graphite2/Font.h" |
| michael@0 | 31 | #include "inc/Main.h" |
| michael@0 | 32 | |
| michael@0 | 33 | namespace graphite2 { |
| michael@0 | 34 | |
| michael@0 | 35 | class Face; |
| michael@0 | 36 | class FeatureVal; |
| michael@0 | 37 | class GlyphFace; |
| michael@0 | 38 | class Segment; |
| michael@0 | 39 | |
| michael@0 | 40 | class GlyphCache |
| michael@0 | 41 | { |
| michael@0 | 42 | class Loader; |
| michael@0 | 43 | |
| michael@0 | 44 | GlyphCache(const GlyphCache&); |
| michael@0 | 45 | GlyphCache& operator=(const GlyphCache&); |
| michael@0 | 46 | |
| michael@0 | 47 | public: |
| michael@0 | 48 | GlyphCache(const Face & face, const uint32 face_options); |
| michael@0 | 49 | ~GlyphCache(); |
| michael@0 | 50 | |
| michael@0 | 51 | unsigned short numGlyphs() const throw(); |
| michael@0 | 52 | unsigned short numAttrs() const throw(); |
| michael@0 | 53 | unsigned short unitsPerEm() const throw(); |
| michael@0 | 54 | |
| michael@0 | 55 | const GlyphFace *glyph(unsigned short glyphid) const; //result may be changed by subsequent call with a different glyphid |
| michael@0 | 56 | const GlyphFace *glyphSafe(unsigned short glyphid) const; |
| michael@0 | 57 | |
| michael@0 | 58 | CLASS_NEW_DELETE; |
| michael@0 | 59 | |
| michael@0 | 60 | private: |
| michael@0 | 61 | const Loader * _glyph_loader; |
| michael@0 | 62 | const GlyphFace * * _glyphs; |
| michael@0 | 63 | unsigned short _num_glyphs, |
| michael@0 | 64 | _num_attrs, |
| michael@0 | 65 | _upem; |
| michael@0 | 66 | }; |
| michael@0 | 67 | |
| michael@0 | 68 | inline |
| michael@0 | 69 | unsigned short GlyphCache::numGlyphs() const throw() |
| michael@0 | 70 | { |
| michael@0 | 71 | return _num_glyphs; |
| michael@0 | 72 | } |
| michael@0 | 73 | |
| michael@0 | 74 | inline |
| michael@0 | 75 | unsigned short GlyphCache::numAttrs() const throw() |
| michael@0 | 76 | { |
| michael@0 | 77 | return _num_attrs; |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | inline |
| michael@0 | 81 | unsigned short GlyphCache::unitsPerEm() const throw() |
| michael@0 | 82 | { |
| michael@0 | 83 | return _upem; |
| michael@0 | 84 | } |
| michael@0 | 85 | |
| michael@0 | 86 | inline |
| michael@0 | 87 | const GlyphFace *GlyphCache::glyphSafe(unsigned short glyphid) const |
| michael@0 | 88 | { |
| michael@0 | 89 | return glyphid < _num_glyphs ? glyph(glyphid) : NULL; |
| michael@0 | 90 | } |
| michael@0 | 91 | |
| michael@0 | 92 | } // namespace graphite2 |
