/usr/include/agg2/agg_vcgen_contour.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_VCGEN_CONTOUR_INCLUDED
#define AGG_VCGEN_CONTOUR_INCLUDED
#include "agg_math_stroke.h"
namespace agg
{
//----------------------------------------------------------vcgen_contour
//
// See Implementation agg_vcgen_contour.cpp
//
class vcgen_contour
{
enum status_e
{
initial,
ready,
outline,
out_vertices,
end_poly,
stop
};
public:
typedef vertex_sequence<vertex_dist, 6> vertex_storage;
typedef pod_bvector<point_d, 6> coord_storage;
vcgen_contour();
void line_cap(line_cap_e lc) { m_stroker.line_cap(lc); }
void line_join(line_join_e lj) { m_stroker.line_join(lj); }
void inner_join(inner_join_e ij) { m_stroker.inner_join(ij); }
line_cap_e line_cap() const { return m_stroker.line_cap(); }
line_join_e line_join() const { return m_stroker.line_join(); }
inner_join_e inner_join() const { return m_stroker.inner_join(); }
void width(double w) { m_stroker.width(m_width = w); }
void miter_limit(double ml) { m_stroker.miter_limit(ml); }
void miter_limit_theta(double t) { m_stroker.miter_limit_theta(t); }
void inner_miter_limit(double ml) { m_stroker.inner_miter_limit(ml); }
void approximation_scale(double as) { m_stroker.approximation_scale(as); }
double width() const { return m_width; }
double miter_limit() const { return m_stroker.miter_limit(); }
double inner_miter_limit() const { return m_stroker.inner_miter_limit(); }
double approximation_scale() const { return m_stroker.approximation_scale(); }
void auto_detect_orientation(bool v) { m_auto_detect = v; }
bool auto_detect_orientation() const { return m_auto_detect; }
// 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_contour(const vcgen_contour&);
const vcgen_contour& operator = (const vcgen_contour&);
math_stroke<coord_storage> m_stroker;
double m_width;
vertex_storage m_src_vertices;
coord_storage m_out_vertices;
status_e m_status;
unsigned m_src_vertex;
unsigned m_out_vertex;
unsigned m_closed;
unsigned m_orientation;
bool m_auto_detect;
};
}
#endif
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