/usr/include/agg2/agg_pixfmt_transposer.h is in libagg-dev 2.5+dfsg1-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Anti-Grain Geometry (AGG) - Version 2.5
// A high quality rendering engine for C++
// Copyright (C) 2002-2006 Maxim Shemanarev
// Contact: mcseem@antigrain.com
// mcseemagg@yahoo.com
// http://antigrain.com
//
// AGG is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// AGG 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with AGG; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301, USA.
//----------------------------------------------------------------------------
#ifndef AGG_PIXFMT_TRANSPOSER_INCLUDED
#define AGG_PIXFMT_TRANSPOSER_INCLUDED
#include "agg_basics.h"
namespace agg
{
//=======================================================pixfmt_transposer
template<class PixFmt> class pixfmt_transposer
{
public:
typedef PixFmt pixfmt_type;
typedef typename pixfmt_type::color_type color_type;
typedef typename pixfmt_type::row_data row_data;
typedef typename color_type::value_type value_type;
typedef typename color_type::calc_type calc_type;
//--------------------------------------------------------------------
pixfmt_transposer() : m_pixf(0) {}
explicit pixfmt_transposer(pixfmt_type& pixf) : m_pixf(&pixf) {}
void attach(pixfmt_type& pixf) { m_pixf = &pixf; }
//--------------------------------------------------------------------
AGG_INLINE unsigned width() const { return m_pixf->height(); }
AGG_INLINE unsigned height() const { return m_pixf->width(); }
//--------------------------------------------------------------------
AGG_INLINE color_type pixel(int x, int y) const
{
return m_pixf->pixel(y, x);
}
//--------------------------------------------------------------------
AGG_INLINE void copy_pixel(int x, int y, const color_type& c)
{
m_pixf->copy_pixel(y, x, c);
}
//--------------------------------------------------------------------
AGG_INLINE void blend_pixel(int x, int y,
const color_type& c,
int8u cover)
{
m_pixf->blend_pixel(y, x, c, cover);
}
//--------------------------------------------------------------------
AGG_INLINE void copy_hline(int x, int y,
unsigned len,
const color_type& c)
{
m_pixf->copy_vline(y, x, len, c);
}
//--------------------------------------------------------------------
AGG_INLINE void copy_vline(int x, int y,
unsigned len,
const color_type& c)
{
m_pixf->copy_hline(y, x, len, c);
}
//--------------------------------------------------------------------
AGG_INLINE void blend_hline(int x, int y,
unsigned len,
const color_type& c,
int8u cover)
{
m_pixf->blend_vline(y, x, len, c, cover);
}
//--------------------------------------------------------------------
AGG_INLINE void blend_vline(int x, int y,
unsigned len,
const color_type& c,
int8u cover)
{
m_pixf->blend_hline(y, x, len, c, cover);
}
//--------------------------------------------------------------------
AGG_INLINE void blend_solid_hspan(int x, int y,
unsigned len,
const color_type& c,
const int8u* covers)
{
m_pixf->blend_solid_vspan(y, x, len, c, covers);
}
//--------------------------------------------------------------------
AGG_INLINE void blend_solid_vspan(int x, int y,
unsigned len,
const color_type& c,
const int8u* covers)
{
m_pixf->blend_solid_hspan(y, x, len, c, covers);
}
//--------------------------------------------------------------------
AGG_INLINE void copy_color_hspan(int x, int y,
unsigned len,
const color_type* colors)
{
m_pixf->copy_color_vspan(y, x, len, colors);
}
//--------------------------------------------------------------------
AGG_INLINE void copy_color_vspan(int x, int y,
unsigned len,
const color_type* colors)
{
m_pixf->copy_color_hspan(y, x, len, colors);
}
//--------------------------------------------------------------------
AGG_INLINE void blend_color_hspan(int x, int y,
unsigned len,
const color_type* colors,
const int8u* covers,
int8u cover)
{
m_pixf->blend_color_vspan(y, x, len, colors, covers, cover);
}
//--------------------------------------------------------------------
AGG_INLINE void blend_color_vspan(int x, int y,
unsigned len,
const color_type* colors,
const int8u* covers,
int8u cover)
{
m_pixf->blend_color_hspan(y, x, len, colors, covers, cover);
}
private:
pixfmt_type* m_pixf;
};
}
#endif
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