59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
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/* GRAPHITE2 LICENSING
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Copyright 2010, SIL International
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All rights reserved.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should also have received a copy of the GNU Lesser General Public
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License along with this library in the file named "LICENSE".
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If not, write to the Free Software Foundation, 51 Franklin Street,
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Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
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internet at http://www.fsf.org/licenses/lgpl.html.
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Alternatively, the contents of this file may be used under the terms of the
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Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
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License, as published by the Free Software Foundation, either version 2
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of the License or (at your option) any later version.
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*/
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#include "inc/Face.h"
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#include "inc/Font.h"
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#include "inc/GlyphCache.h"
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using namespace graphite2;
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Font::Font(float ppm, const Face & f, const void * appFontHandle, const gr_font_ops * ops)
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: m_appFontHandle(appFontHandle ? appFontHandle : this),
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m_face(f),
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m_scale(ppm / f.glyphs().unitsPerEm()),
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m_hinted(appFontHandle && ops && (ops->glyph_advance_x || ops->glyph_advance_y))
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{
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memset(&m_ops, 0, sizeof m_ops);
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if (m_hinted && ops)
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memcpy(&m_ops, ops, min(sizeof m_ops, ops->size));
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else
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m_ops.glyph_advance_x = &Face::default_glyph_advance;
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size_t nGlyphs = f.glyphs().numGlyphs();
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m_advances = gralloc<float>(nGlyphs);
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if (m_advances)
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{
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for (float *advp = m_advances; nGlyphs; --nGlyphs, ++advp)
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*advp = INVALID_ADVANCE;
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}
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}
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/*virtual*/ Font::~Font()
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{
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free(m_advances);
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}
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