/* === S Y N F I G ========================================================= */
/*! \file star.cpp
** \brief Implementation of the "Star" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007-2008 Chris Moore
** Copyright (c) 2012-2013 Carlos López
**
** 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
**
** === N O T E S ===========================================================
**
** ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "star.h"
#include <ETL/stringf>
#include <ETL/bezier>
#include <ETL/hermite>
#include <synfig/localization.h>
#include <synfig/general.h>
#include <synfig/string.h>
#include <synfig/time.h>
#include <synfig/context.h>
#include <synfig/paramdesc.h>
#include <synfig/renddesc.h>
#include <synfig/surface.h>
#include <synfig/value.h>
#include <synfig/valuenode.h>
#include <synfig/segment.h>
#endif
using namespace etl;
/* === M A C R O S ========================================================= */
#define SAMPLES 75
/* === G L O B A L S ======================================================= */
SYNFIG_LAYER_INIT(Star);
SYNFIG_LAYER_SET_NAME(Star,"star");
SYNFIG_LAYER_SET_LOCAL_NAME(Star,N_("Star"));
SYNFIG_LAYER_SET_CATEGORY(Star,N_("Geometry"));
SYNFIG_LAYER_SET_VERSION(Star,"0.1");
SYNFIG_LAYER_SET_CVS_ID(Star,"$Id$");
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
/* === E N T R Y P O I N T ================================================= */
Star::Star():
param_radius1(ValueBase(Real(1.0))),
param_radius2(ValueBase(Real(0.38))),
param_points(ValueBase(int(5))),
param_angle(ValueBase(Angle::deg(90))),
param_regular_polygon(ValueBase(bool(false)))
{
sync();
SET_INTERPOLATION_DEFAULTS();
SET_STATIC_DEFAULTS();
}
void
Star::sync_vfunc()
{
Angle angle = param_angle.get(Angle());
int points = param_points.get(int(0));
Real radius1 = param_radius1.get(Real());
Real radius2 = param_radius2.get(Real());
bool regular_polygon = param_regular_polygon.get(bool(true));
Angle dist_between_points(Angle::rot(1)/float(points));
std::vector<Point> vector_list;
int i;
for(i=0;i<points;i++)
{
Angle dist1(dist_between_points*i+angle);
Angle dist2(dist_between_points*i+dist_between_points/2+angle);
vector_list.push_back(Point(Angle::cos(dist1).get()*radius1,Angle::sin(dist1).get()*radius1));
if (!regular_polygon)
vector_list.push_back(Point(Angle::cos(dist2).get()*radius2,Angle::sin(dist2).get()*radius2));
}
set_stored_polygon(vector_list);
}
bool
Star::set_shape_param(const String ¶m, const ValueBase &value)
{
IMPORT_VALUE(param_radius1);
IMPORT_VALUE(param_radius2);
IMPORT_VALUE_PLUS(param_points,
{
int points(param_points.get(int(0)));
if(points<2)points=2;
param_points.set(points);
}
);
IMPORT_VALUE(param_angle);
IMPORT_VALUE(param_regular_polygon);
// Skip polygon parameters
return Layer_Shape::set_shape_param(param,value);
}
bool
Star::set_param(const String & param, const ValueBase &value)
{
// Skip polygon parameters
return Layer_Shape::set_param(param,value);
}
ValueBase
Star::get_param(const String& param)const
{
EXPORT_VALUE(param_radius1);
EXPORT_VALUE(param_radius2);
EXPORT_VALUE(param_points);
EXPORT_VALUE(param_angle);
EXPORT_VALUE(param_regular_polygon);
EXPORT_NAME();
EXPORT_VERSION();
// Skip polygon parameters
return Layer_Shape::get_param(param);
}
Layer::Vocab
Star::get_param_vocab()const
{
// Skip polygon parameters
Layer::Vocab ret(Layer_Shape::get_param_vocab());
ret.push_back(ParamDesc("radius1")
.set_local_name(_("Outer Radius"))
.set_description(_("The radius of the outer points in the star"))
.set_is_distance()
.set_origin("origin")
);
ret.push_back(ParamDesc("radius2")
.set_local_name(_("Inner Radius"))
.set_description(_("The radius of the inner points in the star"))
.set_is_distance()
.set_origin("origin")
);
ret.push_back(ParamDesc("angle")
.set_local_name(_("Angle"))
.set_description(_("The orientation of the star"))
.set_origin("origin")
);
ret.push_back(ParamDesc("points")
.set_local_name(_("Points"))
.set_description(_("The number of points in the star"))
);
ret.push_back(ParamDesc("regular_polygon")
.set_local_name(_("Regular Polygon"))
.set_description(_("Whether to draw a star or a regular polygon"))
);
return ret;
}