The Tor Browser / file comparison
comparison: gfx/graphite2/src/Font.cpp
gfx/graphite2/src/Font.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:675e4793e5e0 |
|---|---|
| 1 /* GRAPHITE2 LICENSING | |
| 2 | |
| 3 Copyright 2010, SIL International | |
| 4 All rights reserved. | |
| 5 | |
| 6 This library is free software; you can redistribute it and/or modify | |
| 7 it under the terms of the GNU Lesser General Public License as published | |
| 8 by the Free Software Foundation; either version 2.1 of License, or | |
| 9 (at your option) any later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 Lesser General Public License for more details. | |
| 15 | |
| 16 You should also have received a copy of the GNU Lesser General Public | |
| 17 License along with this library in the file named "LICENSE". | |
| 18 If not, write to the Free Software Foundation, 51 Franklin Street, | |
| 19 Suite 500, Boston, MA 02110-1335, USA or visit their web page on the | |
| 20 internet at http://www.fsf.org/licenses/lgpl.html. | |
| 21 | |
| 22 Alternatively, the contents of this file may be used under the terms of the | |
| 23 Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public | |
| 24 License, as published by the Free Software Foundation, either version 2 | |
| 25 of the License or (at your option) any later version. | |
| 26 */ | |
| 27 #include "inc/Face.h" | |
| 28 #include "inc/Font.h" | |
| 29 #include "inc/GlyphCache.h" | |
| 30 | |
| 31 using namespace graphite2; | |
| 32 | |
| 33 Font::Font(float ppm, const Face & f, const void * appFontHandle, const gr_font_ops * ops) | |
| 34 : m_appFontHandle(appFontHandle ? appFontHandle : this), | |
| 35 m_face(f), | |
| 36 m_scale(ppm / f.glyphs().unitsPerEm()), | |
| 37 m_hinted(appFontHandle && ops && (ops->glyph_advance_x || ops->glyph_advance_y)) | |
| 38 { | |
| 39 memset(&m_ops, 0, sizeof m_ops); | |
| 40 if (m_hinted && ops) | |
| 41 memcpy(&m_ops, ops, min(sizeof m_ops, ops->size)); | |
| 42 else | |
| 43 m_ops.glyph_advance_x = &Face::default_glyph_advance; | |
| 44 | |
| 45 size_t nGlyphs = f.glyphs().numGlyphs(); | |
| 46 m_advances = gralloc<float>(nGlyphs); | |
| 47 if (m_advances) | |
| 48 { | |
| 49 for (float *advp = m_advances; nGlyphs; --nGlyphs, ++advp) | |
| 50 *advp = INVALID_ADVANCE; | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 | |
| 55 /*virtual*/ Font::~Font() | |
| 56 { | |
| 57 free(m_advances); | |
| 58 } | |
| 59 | |
| 60 | |
| 61 |
