The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/graphite2/src/inc/Font.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,89 @@
     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 +#pragma once
    1.31 +#include <cassert>
    1.32 +#include "graphite2/Font.h"
    1.33 +#include "inc/Main.h"
    1.34 +#include "inc/Face.h"
    1.35 +
    1.36 +namespace graphite2 {
    1.37 +
    1.38 +#define INVALID_ADVANCE -1e38f      // can't be a static const because non-integral
    1.39 +
    1.40 +class Font
    1.41 +{
    1.42 +public:
    1.43 +    Font(float ppm, const Face & face, const void * appFontHandle=0, const gr_font_ops * ops=0);
    1.44 +    virtual ~Font();
    1.45 +
    1.46 +    float advance(unsigned short glyphid) const;
    1.47 +    float scale() const;
    1.48 +    bool isHinted() const;
    1.49 +    const Face & face() const;
    1.50 +
    1.51 +    CLASS_NEW_DELETE;
    1.52 +private:
    1.53 +    gr_font_ops         m_ops;
    1.54 +    const void  * const m_appFontHandle;
    1.55 +    float             * m_advances;  // One advance per glyph in pixels. Nan if not defined
    1.56 +    const Face        & m_face;
    1.57 +    float               m_scale;      // scales from design units to ppm
    1.58 +    bool                m_hinted;
    1.59 +
    1.60 +    Font(const Font&);
    1.61 +    Font& operator=(const Font&);
    1.62 +};
    1.63 +
    1.64 +inline
    1.65 +float Font::advance(unsigned short glyphid) const
    1.66 +{
    1.67 +    if (m_advances[glyphid] == INVALID_ADVANCE)
    1.68 +        m_advances[glyphid] = (*m_ops.glyph_advance_x)(m_appFontHandle, glyphid);
    1.69 +    return m_advances[glyphid];
    1.70 +}
    1.71 +
    1.72 +inline
    1.73 +float Font::scale() const
    1.74 +{
    1.75 +    return m_scale;
    1.76 +}
    1.77 +
    1.78 +inline
    1.79 +bool Font::isHinted() const
    1.80 +{
    1.81 +    return m_hinted;
    1.82 +}
    1.83 +
    1.84 +inline
    1.85 +const Face & Font::face() const
    1.86 +{
    1.87 +    return m_face;
    1.88 +}
    1.89 +
    1.90 +} // namespace graphite2
    1.91 +
    1.92 +struct gr_font : public graphite2::Font {};