/usr/include/mapnik/agg/agg_vcgen_markers_term.h 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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// Anti-Grain Geometry - Version 2.4
// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
//
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
//
//----------------------------------------------------------------------------
// Contact: mcseem@antigrain.com
// mcseemagg@yahoo.com
// http://www.antigrain.com
//----------------------------------------------------------------------------
#ifndef AGG_VCGEN_MARKERS_TERM_INCLUDED
#define AGG_VCGEN_MARKERS_TERM_INCLUDED
#include "agg_basics.h"
#include "agg_vertex_sequence.h"
namespace agg
{
//======================================================vcgen_markers_term
//
// See Implemantation agg_vcgen_markers_term.cpp
// Terminal markers generator (arrowhead/arrowtail)
//
//------------------------------------------------------------------------
class vcgen_markers_term
{
public:
vcgen_markers_term() : m_curr_id(0), m_curr_idx(0) {}
// Vertex Generator Interface
void remove_all();
void add_vertex(double x, double y, unsigned cmd);
// Vertex Source Interface
void rewind(unsigned path_id);
unsigned vertex(double* x, double* y);
private:
vcgen_markers_term(const vcgen_markers_term&);
const vcgen_markers_term& operator = (const vcgen_markers_term&);
struct coord_type
{
double x, y;
coord_type() {}
coord_type(double x_, double y_) : x(x_), y(y_) {}
};
typedef pod_bvector<coord_type, 6> coord_storage;
coord_storage m_markers;
unsigned m_curr_id;
unsigned m_curr_idx;
};
}
#endif
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