/usr/include/agg2/agg_arc.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | //----------------------------------------------------------------------------
// 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_ARC_INCLUDED
#define AGG_ARC_INCLUDED
#include <math.h>
#include "agg_basics.h"
namespace agg
{
//=====================================================================arc
//
// See Implementation agg_arc.cpp
//
class arc
{
public:
arc() : m_scale(1.0), m_initialized(false) {}
arc(double x, double y,
double rx, double ry,
double a1, double a2,
bool ccw=true);
void init(double x, double y,
double rx, double ry,
double a1, double a2,
bool ccw=true);
void approximation_scale(double s);
double approximation_scale() const { return m_scale; }
void rewind(unsigned);
unsigned vertex(double* x, double* y);
private:
void normalize(double a1, double a2, bool ccw);
double m_x;
double m_y;
double m_rx;
double m_ry;
double m_angle;
double m_start;
double m_end;
double m_scale;
double m_da;
bool m_ccw;
bool m_initialized;
unsigned m_path_cmd;
};
}
#endif
|