/usr/include/synfig-1.0/synfig/blinepoint.h is in libsynfig-dev 1.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*! \file blinepoint.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
** This package 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.
**
** This package 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.
** \endlegal
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_BLINEPOINT_H
#define __SYNFIG_BLINEPOINT_H
/* === H E A D E R S ======================================================= */
#include "vector.h"
#include "uniqueid.h"
#include <algorithm>
/* === M A C R O S ========================================================= */
/* === T Y P E D E F S ===================================================== */
/* === C L A S S E S & S T R U C T S ======================================= */
namespace synfig {
class BLinePoint : public UniqueID
{
private:
Point vertex_;
Vector tangent_[2];
float width_;
float origin_;
bool split_tangent_radius_;
bool split_tangent_angle_;
bool boned_vertex_;
Point vertex_setup_;
// True if split_tangent_radius == split_tangent_angle == true otherwise false
bool split_tangent_both_;
// True if split_tangent_radius == split_tangent_angle == false otherwise false
bool merge_tangent_both_;
// Used to store the tangent2 when split_radius=true && split_angle==false
Vector tangent2_radius_split_;
// Used to store the tangent2 when split_radius=false && split_angle==true
Vector tangent2_angle_split_;
void update_flags();
void update_tangent2();
public:
BLinePoint():
vertex_(Point(0,0)),
width_(1),
origin_(0.0),
split_tangent_radius_(true),
split_tangent_angle_(false),
boned_vertex_(false),
vertex_setup_(vertex_)
{
tangent_[0] = Point(0,0);
tangent_[1] = Point(0,0);
update_flags();
}
const Point& get_vertex()const { return vertex_; }
void set_vertex(const Point& x) { vertex_=x; vertex_setup_=vertex_;}
const Vector& get_tangent1()const { return tangent_[0]; }
const Vector& get_tangent2()const
{
if(merge_tangent_both_)
return tangent_[0];
if(split_tangent_both_)
return tangent_[1];
if(split_tangent_radius_)
return tangent2_radius_split_;
return tangent2_angle_split_;
}
void set_tangent(const Vector& x) { tangent_[0]=tangent_[1]=x; update_tangent2(); }
void set_tangent1(const Vector& x) { tangent_[0]=x; update_tangent2(); }
void set_tangent2(const Vector& x) { tangent_[1]=x; update_tangent2(); }
const float& get_width()const { return width_; }
void set_width(float x) { width_=x; }
// We store the origin offset by 0.5 so that
// can have the origin set to the default by zeroing
// out the structure.
float get_origin()const { return origin_+0.5f; }
void set_origin(float x) { origin_=x-0.5f; }
const bool& get_split_tangent_both()const { return split_tangent_both_; }
void set_split_tangent_both(bool x=true) { set_split_tangent_radius(x); set_split_tangent_angle(x); }
const bool& get_merge_tangent_both()const { return merge_tangent_both_; }
void set_merge_tangent_both(bool x=true) { set_split_tangent_radius(!x); set_split_tangent_angle(!x); }
const bool& get_split_tangent_radius()const { return split_tangent_radius_; }
void set_split_tangent_radius(bool x=true)
{
split_tangent_radius_=x;
update_tangent2();
update_flags();
}
const bool& get_split_tangent_angle()const { return split_tangent_angle_; }
void set_split_tangent_angle(bool x=true)
{
split_tangent_angle_=x;
update_tangent2();
update_flags();
}
const bool& get_boned_vertex_flag()const { return boned_vertex_; }
void set_boned_vertex_flag(bool x=true) { boned_vertex_=x; }
const Vector& get_vertex_setup()const { return vertex_setup_; }
void set_vertex_setup(Vector& x) { vertex_setup_=x; }
void reverse();
}; // END of class BLinePoint
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif
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