1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/graphite2/src/Font.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,61 @@
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 +#include "inc/Face.h"
1.31 +#include "inc/Font.h"
1.32 +#include "inc/GlyphCache.h"
1.33 +
1.34 +using namespace graphite2;
1.35 +
1.36 +Font::Font(float ppm, const Face & f, const void * appFontHandle, const gr_font_ops * ops)
1.37 +: m_appFontHandle(appFontHandle ? appFontHandle : this),
1.38 + m_face(f),
1.39 + m_scale(ppm / f.glyphs().unitsPerEm()),
1.40 + m_hinted(appFontHandle && ops && (ops->glyph_advance_x || ops->glyph_advance_y))
1.41 +{
1.42 + memset(&m_ops, 0, sizeof m_ops);
1.43 + if (m_hinted && ops)
1.44 + memcpy(&m_ops, ops, min(sizeof m_ops, ops->size));
1.45 + else
1.46 + m_ops.glyph_advance_x = &Face::default_glyph_advance;
1.47 +
1.48 + size_t nGlyphs = f.glyphs().numGlyphs();
1.49 + m_advances = gralloc<float>(nGlyphs);
1.50 + if (m_advances)
1.51 + {
1.52 + for (float *advp = m_advances; nGlyphs; --nGlyphs, ++advp)
1.53 + *advp = INVALID_ADVANCE;
1.54 + }
1.55 +}
1.56 +
1.57 +
1.58 +/*virtual*/ Font::~Font()
1.59 +{
1.60 + free(m_advances);
1.61 +}
1.62 +
1.63 +
1.64 +
