/usr/include/mapnik/font_util.hpp is in libmapnik-dev 2.2.0+ds1-6build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2013 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#ifndef MAPNIK_FONT_UTIL_HPP
#define MAPNIK_FONT_UTIL_HPP
// mapnik
#include <mapnik/noncopyable.hpp>
#include <string>
// freetype2
extern "C"
{
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_GLYPH_H
#include FT_STROKER_H
}
namespace mapnik
{
struct char_properties;
struct glyph_t : mapnik::noncopyable
{
FT_Glyph image;
char_properties *properties;
glyph_t(FT_Glyph image_, char_properties *properties_)
: image(image_),
properties(properties_) {}
~glyph_t()
{
FT_Done_Glyph(image);
}
};
// FT_Stroker wrapper
class stroker : mapnik::noncopyable
{
public:
explicit stroker(FT_Stroker s)
: s_(s) {}
void init(double radius)
{
FT_Stroker_Set(s_, (FT_Fixed) (radius * (1<<6)),
FT_STROKER_LINECAP_ROUND,
FT_STROKER_LINEJOIN_ROUND,
0);
}
FT_Stroker const& get() const
{
return s_;
}
~stroker()
{
FT_Stroker_Done(s_);
}
private:
FT_Stroker s_;
};
class font_face : mapnik::noncopyable
{
public:
font_face(FT_Face face)
: face_(face) {}
std::string family_name() const
{
return std::string(face_->family_name);
}
std::string style_name() const
{
return std::string(face_->style_name);
}
FT_GlyphSlot glyph() const
{
return face_->glyph;
}
FT_Face get_face() const
{
return face_;
}
unsigned get_char(unsigned c) const
{
return FT_Get_Char_Index(face_, c);
}
bool set_pixel_sizes(unsigned size)
{
if (! FT_Set_Pixel_Sizes( face_, 0, size ))
return true;
return false;
}
bool set_character_sizes(double size)
{
if ( !FT_Set_Char_Size(face_,0,(FT_F26Dot6)(size * (1<<6)),0,0))
return true;
return false;
}
~font_face()
{
FT_Done_Face(face_);
}
private:
FT_Face face_;
};
}
#endif // MAPNIK_FONT_UTIL_HPP
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